Update version to 1.8.0

Fix: duplicate pairing strings in config

.github/workflows/build.yml

@@ -0,0 +1,189 @@
+name: Build and Push
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - 'master'
+    tags:
+      - 'v*'
+
+jobs:
+  build-binaries:
+    name: Build binaries
+    runs-on: ubuntu-latest
+    env: { CGO_ENABLED: 0 }
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Setup Go
+        uses: actions/setup-go@v4
+        with: { go-version: '1.21' }
+
+      - name: Build go2rtc_win64
+        env: { GOOS: windows, GOARCH: amd64 }
+        run: go build -ldflags "-s -w" -trimpath
+      - name: Upload go2rtc_win64
+        uses: actions/upload-artifact@v3
+        with: { name: go2rtc_win64, path: go2rtc.exe }
+
+      - name: Build go2rtc_win32
+        env: { GOOS: windows, GOARCH: 386 }
+        run: go build -ldflags "-s -w" -trimpath
+      - name: Upload go2rtc_win32
+        uses: actions/upload-artifact@v3
+        with: { name: go2rtc_win32, path: go2rtc.exe }
+
+      - name: Build go2rtc_win_arm64
+        env: { GOOS: windows, GOARCH: arm64 }
+        run: go build -ldflags "-s -w" -trimpath
+      - name: Upload go2rtc_win_arm64
+        uses: actions/upload-artifact@v3
+        with: { name: go2rtc_win_arm64, path: go2rtc.exe }
+
+      - name: Build go2rtc_linux_amd64
+        env: { GOOS: linux, GOARCH: amd64 }
+        run: go build -ldflags "-s -w" -trimpath
+      - name: Upload go2rtc_linux_amd64
+        uses: actions/upload-artifact@v3
+        with: { name: go2rtc_linux_amd64, path: go2rtc }
+
+      - name: Build go2rtc_linux_i386
+        env: { GOOS: linux, GOARCH: 386 }
+        run: go build -ldflags "-s -w" -trimpath
+      - name: Upload go2rtc_linux_i386
+        uses: actions/upload-artifact@v3
+        with: { name: go2rtc_linux_i386, path: go2rtc }
+
+      - name: Build go2rtc_linux_arm64
+        env: { GOOS: linux, GOARCH: arm64 }
+        run: go build -ldflags "-s -w" -trimpath
+      - name: Upload go2rtc_linux_arm64
+        uses: actions/upload-artifact@v3
+        with: { name: go2rtc_linux_arm64, path: go2rtc }
+
+      - name: Build go2rtc_linux_arm
+        env: { GOOS: linux, GOARCH: arm, GOARM: 7 }
+        run: go build -ldflags "-s -w" -trimpath
+      - name: Upload go2rtc_linux_arm
+        uses: actions/upload-artifact@v3
+        with: { name: go2rtc_linux_arm, path: go2rtc }
+
+      - name: Build go2rtc_linux_armv6
+        env: { GOOS: linux, GOARCH: arm, GOARM: 6 }
+        run: go build -ldflags "-s -w" -trimpath
+      - name: Upload go2rtc_linux_armv6
+        uses: actions/upload-artifact@v3
+        with: { name: go2rtc_linux_armv6, path: go2rtc }
+
+      - name: Build go2rtc_linux_mipsel
+        env: { GOOS: linux, GOARCH: mipsle }
+        run: go build -ldflags "-s -w" -trimpath
+      - name: Upload go2rtc_linux_mipsel
+        uses: actions/upload-artifact@v3
+        with: { name: go2rtc_linux_mipsel, path: go2rtc }
+
+      - name: Build go2rtc_mac_amd64
+        env: { GOOS: darwin, GOARCH: amd64 }
+        run: go build -ldflags "-s -w" -trimpath
+      - name: Upload go2rtc_mac_amd64
+        uses: actions/upload-artifact@v3
+        with: { name: go2rtc_mac_amd64, path: go2rtc }
+
+      - name: Build go2rtc_mac_arm64
+        env: { GOOS: darwin, GOARCH: arm64 }
+        run: go build -ldflags "-s -w" -trimpath
+      - name: Upload go2rtc_mac_arm64
+        uses: actions/upload-artifact@v3
+        with: { name: go2rtc_mac_arm64, path: go2rtc }
+
+  docker-master:
+    name: Build docker master
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: ${{ github.repository }}
+          tags: |
+            type=ref,event=branch
+            type=semver,pattern={{version}},enable=false
+            type=match,pattern=v(.*),group=1
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Login to DockerHub
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          platforms: |
+            linux/amd64
+            linux/386
+            linux/arm/v7
+            linux/arm64/v8
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+  docker-hardware:
+    name: Build docker hardware
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Docker meta
+        id: meta-hw
+        uses: docker/metadata-action@v4
+        with:
+          images: ${{ github.repository }}
+          flavor: |
+            suffix=-hardware
+            latest=false
+          tags: |
+            type=ref,event=branch
+            type=semver,pattern={{version}},enable=false
+            type=match,pattern=v(.*),group=1
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Login to DockerHub
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          file: hardware.Dockerfile
+          platforms: linux/amd64
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta-hw.outputs.tags }}
+          labels: ${{ steps.meta-hw.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max

.github/workflows/builder.yml

@@ -1,59 +0,0 @@
-# https://github.com/home-assistant/builder
-name: 'Builder'
-
-on:
-  push:
-    tags: [ 'v*' ]
-  workflow_dispatch:
-
-jobs:
-  hassio:
-    name: Hassio Addon
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout the repository
-        uses: actions/checkout@v3
-
-      - name: Login to DockerHub
-        uses: docker/login-action@v2
-        with:
-          username: ${{ secrets.DOCKERHUB_USERNAME }}
-          password: ${{ secrets.DOCKERHUB_TOKEN }}
-
-      - name: Branch name
-        run: |
-          VERSION="${GITHUB_REF#refs/tags/v}"
-          echo "REPO=alexxit/go2rtc" >> $GITHUB_ENV
-          echo "TAG=${VERSION}" >> $GITHUB_ENV
-          echo "IMAGE=alexxit/go2rtc:${VERSION}" >> $GITHUB_ENV
-
-      - name: Build amd64
-        uses: home-assistant/builder@master
-        with:
-          args: --amd64 --target build/hassio --version $TAG-amd64 --no-latest --docker-hub-check
-
-      - name: Build i386
-        uses: home-assistant/builder@master
-        with:
-          args: --i386 --target build/hassio --version $TAG-i386 --no-latest --docker-hub-check
-
-      - name: Build aarch64
-        uses: home-assistant/builder@master
-        with:
-          args: --aarch64 --target build/hassio --version $TAG-aarch64 --no-latest --docker-hub-check
-
-      - name: Build armv7
-        uses: home-assistant/builder@master
-        with:
-          args: --armv7 --target build/hassio --version $TAG-armv7 --no-latest --docker-hub-check
-
-      - name: Docker manifest
-        run: |
-          # thanks to https://github.com/aler9/rtsp-simple-server/blob/main/Makefile
-          docker manifest create "${IMAGE}" \
-            "${IMAGE}-amd64" "${IMAGE}-i386" "${IMAGE}-aarch64" "${IMAGE}-armv7"
-          docker manifest push "${IMAGE}"
-
-          docker manifest create "${REPO}:latest" \
-            "${IMAGE}-amd64" "${IMAGE}-i386" "${IMAGE}-aarch64" "${IMAGE}-armv7"
-          docker manifest push "${REPO}:latest"

.github/workflows/gh-pages.yml

@@ -0,0 +1,37 @@
+# Simple workflow for deploying static content to GitHub Pages
+name: Deploy static content to Pages
+
+on:
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+# Allow one concurrent deployment
+concurrency:
+  group: "pages"
+  cancel-in-progress: true
+
+jobs:
+  # Single deploy job since we're just deploying
+  deploy:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Setup Pages
+        uses: actions/configure-pages@v3
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v1
+        with:
+          path: './website'
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v2

.github/workflows/test.yml

@@ -0,0 +1,103 @@
+name: Test Build and Run
+
+on:
+#  push:
+#    branches:
+#      - '*'
+#  pull_request:
+#  merge_group:
+  workflow_dispatch:
+
+jobs:
+  build-test:
+    strategy:
+      matrix:
+        os: [windows-latest, ubuntu-latest, macos-latest]
+        arch: [amd64, arm64]
+
+    runs-on: ${{ matrix.os }}
+    continue-on-error: true
+    env:
+      GOARCH: ${{ matrix.arch }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Setup Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: '1.21'
+
+      - name: Build Go binary
+        run: go build -ldflags "-s -w" -trimpath -o ./go2rtc
+
+      - name: Test Go binary on linux
+        if: matrix.os == 'ubuntu-latest'
+        run: |
+            if [ "${{ matrix.arch }}" = "amd64" ]; then
+              ./go2rtc -version
+            else
+              sudo apt-get update && sudo apt-get install -y qemu-user-static
+              sudo cp /usr/bin/qemu-aarch64-static .
+              sudo chown $USER:$USER ./qemu-aarch64-static
+              qemu-aarch64-static ./go2rtc -version
+            fi
+      - name: Test Go binary on macos
+        if: matrix.os == 'macos-latest'
+        run: |
+            if [ "${{ matrix.arch }}" = "amd64" ]; then
+              ./go2rtc -version
+            else
+              echo "ARM64 architecture is not yet supported on macOS"
+            fi
+      - name: Test Go binary on windows
+        if: matrix.os == 'windows-latest'
+        run: |
+            if ("${{ matrix.arch }}" -eq "amd64") {
+                .\go2rtc* -version
+            } else {
+                Write-Host "ARM64 architecture is not yet supported on Windows"
+            }
+  docker-test:
+    strategy:
+      matrix:
+        platform:
+          - amd64
+          - "386"
+          - arm/v7
+          - arm64/v8
+    continue-on-error: true
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+      - name: Build and push
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          platforms: linux/${{ matrix.platform }}
+          push: false
+          load: true
+          tags: go2rtc-${{ matrix.platform }}
+      - name: test run
+        run: |
+          docker run --platform=linux/${{ matrix.platform }} --rm go2rtc-${{ matrix.platform }} go2rtc -version
+
+      - name: Build and push Hardware
+        if: matrix.platform == 'amd64'
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          file: hardware.Dockerfile
+          platforms: linux/amd64
+          push: false
+          load: true
+          tags: go2rtc-${{ matrix.platform }}-hardware
+      - name: test run
+        if: matrix.platform == 'amd64'
+        run: |
+          docker run --platform=linux/${{ matrix.platform }} --rm go2rtc-${{ matrix.platform }}-hardware go2rtc -version

.gitignore

@@ -1,8 +1,7 @@
-
 .idea/
-
 .tmp/
 
 go2rtc.yaml
-
 go2rtc.json
+
+0_test.go

Dockerfile

@@ -0,0 +1,63 @@
+# syntax=docker/dockerfile:labs
+
+# 0. Prepare images
+ARG PYTHON_VERSION="3.11"
+ARG GO_VERSION="1.21"
+ARG NGROK_VERSION="3"
+
+FROM python:${PYTHON_VERSION}-alpine AS base
+FROM ngrok/ngrok:${NGROK_VERSION}-alpine AS ngrok
+
+
+# 1. Build go2rtc binary
+FROM --platform=$BUILDPLATFORM golang:${GO_VERSION}-alpine AS build
+ARG TARGETPLATFORM
+ARG TARGETOS
+ARG TARGETARCH
+
+ENV GOOS=${TARGETOS}
+ENV GOARCH=${TARGETARCH}
+
+WORKDIR /build
+
+# Cache dependencies
+COPY go.mod go.sum ./
+RUN --mount=type=cache,target=/root/.cache/go-build go mod download
+
+COPY . .
+RUN --mount=type=cache,target=/root/.cache/go-build CGO_ENABLED=0 go build -ldflags "-s -w" -trimpath
+
+
+# 2. Collect all files
+FROM scratch AS rootfs
+
+COPY --from=build /build/go2rtc /usr/local/bin/
+COPY --from=ngrok /bin/ngrok /usr/local/bin/
+
+
+# 3. Final image
+FROM base
+
+# Install ffmpeg, tini (for signal handling),
+# and other common tools for the echo source.
+# alsa-plugins-pulse for ALSA support (+0MB)
+# font-droid for FFmpeg drawtext filter (+2MB)
+RUN apk add --no-cache tini ffmpeg bash curl jq alsa-plugins-pulse font-droid
+
+# Hardware Acceleration for Intel CPU (+50MB)
+ARG TARGETARCH
+
+RUN if [ "${TARGETARCH}" = "amd64" ]; then apk add --no-cache libva-intel-driver intel-media-driver; fi
+
+# Hardware: AMD and NVidia VAAPI (not sure about this)
+# RUN libva-glx mesa-va-gallium
+# Hardware: AMD and NVidia VDPAU (not sure about this)
+# RUN libva-vdpau-driver mesa-vdpau-gallium (+150MB total)
+
+COPY --from=rootfs / /
+
+ENTRYPOINT ["/sbin/tini", "--"]
+VOLUME /config
+WORKDIR /config
+
+CMD ["go2rtc", "-config", "/config/go2rtc.yaml"]

api/README.md

@@ -0,0 +1,117 @@
+# API
+
+Fill free to make any API design proposals.
+
+## HTTP API
+
+Interactive [OpenAPI](https://alexxit.github.io/go2rtc/api/).
+
+`www/stream.html` - universal viewer with support params in URL:
+
+- multiple streams on page `src=camera1&src=camera2...`
+- stream technology autoselection `mode=webrtc,webrtc/tcp,mse,hls,mp4,mjpeg`
+- stream technology comparison `src=camera1&mode=webrtc&mode=mse&mode=mp4`
+- player width setting in pixels `width=320px` or percents `width=50%`
+
+`www/webrtc.html` - WebRTC viewer with support two way audio and params in URL:
+
+- `media=video+audio` - simple viewer
+- `media=video+audio+microphone` - two way audio from camera
+- `media=camera+microphone` - stream from browser
+- `media=display+speaker` - stream from desktop
+
+## JavaScript API
+
+- You can write your viewer from the scratch
+- You can extend the built-in viewer - `www/video-rtc.js`
+- Check example - `www/video-stream.js`
+- Check example - https://github.com/AlexxIT/WebRTC
+
+`video-rtc.js` features:
+
+- support technologies:
+    - WebRTC over UDP or TCP
+    - MSE or HLS or MP4 or MJPEG over WebSocket
+- automatic selection best technology according on:
+    - codecs inside your stream
+    - current browser capabilities
+    - current network configuration
+- automatic stop stream while browser or page not active
+- automatic stop stream while player not inside page viewport
+- automatic reconnection
+
+Technology selection based on priorities:
+
+1. Video and Audio better than just Video
+2. H265 better than H264
+3. WebRTC better than MSE, than HLS, than MJPEG
+
+## WebSocket API
+
+Endpoint: `/api/ws`
+
+Query parameters:
+
+- `src` (required) - Stream name
+
+### WebRTC
+
+Request SDP:
+
+```json
+{"type":"webrtc/offer","value":"v=0\r\n..."}
+```
+
+Response SDP:
+
+```json
+{"type":"webrtc/answer","value":"v=0\r\n..."}
+```
+
+Request/response candidate:
+
+- empty value also allowed and optional
+
+```json
+{"type":"webrtc/candidate","value":"candidate:3277516026 1 udp 2130706431 192.168.1.123 54321 typ host"}
+```
+
+### MSE
+
+Request:
+
+- codecs list optional
+
+```json
+{"type":"mse","value":"avc1.640029,avc1.64002A,avc1.640033,hvc1.1.6.L153.B0,mp4a.40.2,mp4a.40.5,flac,opus"}
+```
+
+Response:
+
+```json
+{"type":"mse","value":"video/mp4; codecs=\"avc1.64001F,mp4a.40.2\""}
+```
+
+### HLS
+
+Request:
+
+```json
+{"type":"hls","value":"avc1.640029,avc1.64002A,avc1.640033,hvc1.1.6.L153.B0,mp4a.40.2,mp4a.40.5,flac"}
+```
+
+Response:
+
+- you MUST rewrite full HTTP path to `http://192.168.1.123:1984/api/hls/playlist.m3u8`
+
+```json
+{"type":"hls","value":"#EXTM3U\n#EXT-X-STREAM-INF:BANDWIDTH=1000000,CODECS=\"avc1.64001F,mp4a.40.2\"\nhls/playlist.m3u8?id=DvmHdd9w"}
+```
+
+### MJPEG
+
+Request/response:
+
+```json
+{"type":"mjpeg"}
+```

api/openapi.yaml

@@ -0,0 +1,530 @@
+openapi: 3.1.0
+
+info:
+  title: go2rtc
+  license: { name: MIT,url: https://opensource.org/licenses/MIT }
+  version: 1.0.0
+  contact: { url: https://github.com/AlexxIT/go2rtc }
+  description: |
+    Ultimate camera streaming application with support RTSP, RTMP, HTTP-FLV, WebRTC, MSE, HLS, MP4, MJPEG, HomeKit, FFmpeg, etc.
+
+servers:
+  - url: http://localhost:1984
+
+components:
+  parameters:
+    stream_src_path:
+      name: src
+      in: path
+      description: Source stream name
+      required: true
+      schema: { type: string }
+      example: camera1
+    stream_dst_path:
+      name: dst
+      in: path
+      description: Destination stream name
+      required: true
+      schema: { type: string }
+      example: camera1
+    stream_src_query:
+      name: src
+      in: query
+      description: Source stream name
+      required: true
+      schema: { type: string }
+      example: camera1
+    mp4_filter:
+      name: mp4
+      in: query
+      description: MP4 codecs filter
+      required: false
+      schema:
+        type: string
+        enum: [ "", flac, all ]
+      example: flac
+    video_filter:
+      name: video
+      in: query
+      description: Video codecs filter
+      schema:
+        type: string
+        enum: [ "", all, h264, h265, mjpeg ]
+      example: h264,h265
+    audio_filter:
+      name: audio
+      in: query
+      description: Audio codecs filter
+      schema:
+        type: string
+        enum: [ "", all, aac, opus, pcm, pcmu, pcma ]
+      example: aac
+  responses:
+    discovery:
+      description: ""
+      content:
+        application/json:
+          example: { streams: [ { "name": "Camera 1","url": "..." } ] }
+    webtorrent:
+      description: ""
+      content:
+        application/json:
+          example: { share: AKDypPy4zz, pwd: H0Km1HLTTP }
+
+tags:
+  - name: Application
+    description: "[Module: API](https://github.com/AlexxIT/go2rtc#module-api)"
+  - name: Config
+    description: "[Configuration](https://github.com/AlexxIT/go2rtc#configuration)"
+  - name: Streams list
+    description: "[Module: Streams](https://github.com/AlexxIT/go2rtc#module-streams)"
+  - name: Consume stream
+  - name: Snapshot
+  - name: Produce stream
+  - name: Discovery
+  - name: ONVIF
+  - name: RTSPtoWebRTC
+  - name: WebTorrent
+    description: "[Module: WebTorrent](https://github.com/AlexxIT/go2rtc#module-webtorrent)"
+  - name: Debug
+
+paths:
+  /api:
+    get:
+      summary: Get application info
+      tags: [ Application ]
+      responses:
+        "200":
+          description: ""
+          content:
+            application/json:
+              example: { config_path: "/config/go2rtc.yaml",host: "192.168.1.123:1984",rtsp: { listen: ":8554",default_query: "video&audio" },version: "1.5.0" }
+
+  /api/exit:
+    post:
+      summary: Close application
+      tags: [ Application ]
+      parameters:
+        - name: code
+          in: query
+          description: Application exit code
+          required: false
+          schema: { type: integer }
+          example: 100
+      responses:
+            default:
+              description: Default response
+
+
+
+  /api/config:
+    get:
+      summary: Get main config file content
+      tags: [ Config ]
+      responses:
+        "200":
+          description: ""
+          content:
+            application/yaml: { example: "streams:..." }
+    post:
+      summary: Rewrite main config file
+      tags: [ Config ]
+      requestBody:
+        content:
+          "*/*": { example: "streams:..." }
+      responses:
+            default:
+              description: Default response
+    patch:
+      summary: Merge changes to main config file
+      tags: [ Config ]
+      requestBody:
+        content:
+          "*/*": { example: "streams:..." }
+      responses:
+            default:
+              description: Default response
+
+
+
+  /api/streams:
+    get:
+      summary: Get all streams info
+      tags: [ Streams list ]
+      responses:
+        "200":
+          description: ""
+          content:
+            application/json: { example: { camera1: { producers: [ ],consumers: [ ] } } }
+    put:
+      summary: Create new stream
+      tags: [ Streams list ]
+      parameters:
+        - name: src
+          in: query
+          description: Stream source (URI)
+          required: true
+          schema: { type: string }
+          example: "rtsp://rtsp:12345678@192.168.1.123/av_stream/ch0"
+        - name: name
+          in: query
+          description: Stream name
+          required: false
+          schema: { type: string }
+          example: camera1
+      responses:
+            default:
+              description: Default response
+    patch:
+      summary: Update stream source
+      tags: [ Streams list ]
+      parameters:
+        - name: src
+          in: query
+          description: Stream source (URI)
+          required: true
+          schema: { type: string }
+          example: "rtsp://rtsp:12345678@192.168.1.123/av_stream/ch0"
+        - name: name
+          in: query
+          description: Stream name
+          required: true
+          schema: { type: string }
+          example: camera1
+      responses:
+            default:
+              description: Default response
+    delete:
+      summary: Delete stream
+      tags: [ Streams list ]
+      parameters:
+        - name: src
+          in: query
+          description: Stream name
+          required: true
+          schema: { type: string }
+          example: camera1
+      responses:
+            default:
+              description: Default response
+    post:
+      summary: Send stream from source to destination
+      description: "[Stream to camera](https://github.com/AlexxIT/go2rtc#stream-to-camera)"
+      tags: [ Streams list ]
+      parameters:
+        - name: src
+          in: query
+          description: Stream source (URI)
+          required: true
+          schema: { type: string }
+          example: "ffmpeg:http://example.com/song.mp3#audio=pcma#input=file"
+        - name: dst
+          in: query
+          description: Destination stream name
+          required: true
+          schema: { type: string }
+          example: camera1
+      responses:
+            default:
+              description: Default response
+
+
+
+  /api/streams?src={src}:
+    get:
+      summary: Get stream info in JSON format
+      tags: [ Consume stream ]
+      parameters:
+        - $ref: "#/components/parameters/stream_src_path"
+      responses:
+        "200":
+          description: ""
+          content:
+            application/json:
+              example: { producers: [ { url: "rtsp://rtsp:12345678@192.168.1.123/av_stream/ch0" } ], consumers: [ ] }
+
+  /api/webrtc?src={src}:
+    post:
+      summary: Get stream in WebRTC format (WHEP)
+      description: "[Module: WebRTC](https://github.com/AlexxIT/go2rtc#module-webrtc)"
+      tags: [ Consume stream ]
+      parameters:
+        - $ref: "#/components/parameters/stream_src_path"
+      requestBody:
+        description: |
+          Support:
+          - JSON format (`Content-Type: application/json`)
+          - WHEP standard (`Content-Type: application/sdp`)
+          - raw SDP (`Content-Type: anything`)
+        required: true
+        content:
+          application/json: { example: { type: offer, sdp: "v=0..." } }
+          "application/sdp": { example: "v=0..." }
+          "*/*": { example: "v=0..." }
+
+      responses:
+        "200":
+          description: "Response on JSON or raw SDP"
+          content:
+            application/json: { example: { type: answer, sdp: "v=0..." } }
+            application/sdp: { example: "v=0..." }
+        "201":
+          description: "Response on `Content-Type: application/sdp`"
+          content:
+            application/sdp: { example: "v=0..." }
+
+  /api/stream.mp4?src={src}:
+    get:
+      summary: Get stream in MP4 format (HTTP progressive)
+      description: "[Module: MP4](https://github.com/AlexxIT/go2rtc#module-mp4)"
+      tags: [ Consume stream ]
+      parameters:
+        - $ref: "#/components/parameters/stream_src_path"
+        - name: duration
+          in: query
+          description: Limit the length of the stream in seconds
+          required: false
+          schema: { type: string }
+          example: 15
+        - name: filename
+          in: query
+          description: Download as a file with this name
+          required: false
+          schema: { type: string }
+          example: camera1.mp4
+        - $ref: "#/components/parameters/mp4_filter"
+        - $ref: "#/components/parameters/video_filter"
+        - $ref: "#/components/parameters/audio_filter"
+      responses:
+        200:
+          description: ""
+          content: { video/mp4: { example: "" } }
+
+  /api/stream.m3u8?src={src}:
+    get:
+      summary: Get stream in HLS format
+      description: "[Module: HLS](https://github.com/AlexxIT/go2rtc#module-hls)"
+      tags: [ Consume stream ]
+      parameters:
+        - $ref: "#/components/parameters/stream_src_path"
+        - $ref: "#/components/parameters/mp4_filter"
+        - $ref: "#/components/parameters/video_filter"
+        - $ref: "#/components/parameters/audio_filter"
+      responses:
+        200:
+          description: ""
+          content: { application/vnd.apple.mpegurl: { example: "" } }
+
+  /api/stream.mjpeg?src={src}:
+    get:
+      summary: Get stream in MJPEG format
+      description: "[Module: MJPEG](https://github.com/AlexxIT/go2rtc#module-mjpeg)"
+      tags: [ Consume stream ]
+      parameters:
+        - $ref: "#/components/parameters/stream_src_path"
+      responses:
+        200:
+          description: ""
+          content: { multipart/x-mixed-replace: { example: "" } }
+
+
+
+  /api/frame.jpeg?src={src}:
+    get:
+      summary: Get snapshot in JPEG format
+      description: "[Module: MJPEG](https://github.com/AlexxIT/go2rtc#module-mjpeg)"
+      tags: [ Snapshot ]
+      parameters:
+        - $ref: "#/components/parameters/stream_src_path"
+      responses:
+        200:
+          description: ""
+          content: { image/jpeg: { example: "" } }
+  /api/frame.mp4?src={src}:
+    get:
+      summary: Get snapshot in MP4 format
+      description: "[Module: MP4](https://github.com/AlexxIT/go2rtc#module-mp4)"
+      tags: [ Snapshot ]
+      parameters:
+        - $ref: "#/components/parameters/stream_src_path"
+      responses:
+        200:
+          description: ""
+          content: { video/mp4: { example: "" } }
+
+
+
+  /api/webrtc?dst={dst}:
+    post:
+      summary: Post stream in WebRTC format
+      description: "[Incoming: WebRTC/WHIP](https://github.com/AlexxIT/go2rtc#incoming-webrtcwhip)"
+      tags: [ Produce stream ]
+      parameters:
+        - $ref: "#/components/parameters/stream_dst_path"
+      responses:
+            default:
+              description: Default response
+  /api/stream.flv?dst={dst}:
+    post:
+      summary: Post stream in FLV format
+      description: "[Incoming sources](https://github.com/AlexxIT/go2rtc#incoming-sources)"
+      tags: [ Produce stream ]
+      parameters:
+        - $ref: "#/components/parameters/stream_dst_path"
+      responses:
+            default:
+              description: Default response
+  /api/stream.ts?dst={dst}:
+    post:
+      summary: Post stream in MPEG-TS format
+      description: "[Incoming sources](https://github.com/AlexxIT/go2rtc#incoming-sources)"
+      tags: [ Produce stream ]
+      parameters:
+        - $ref: "#/components/parameters/stream_dst_path"
+      responses:
+            default:
+              description: Default response
+  /api/stream.mjpeg?dst={dst}:
+    post:
+      summary: Post stream in MJPEG format
+      description: "[Incoming sources](https://github.com/AlexxIT/go2rtc#incoming-sources)"
+      tags: [ Produce stream ]
+      parameters:
+        - $ref: "#/components/parameters/stream_dst_path"
+      responses:
+            default:
+              description: Default response
+
+
+
+  /api/dvrip:
+    get:
+      summary: DVRIP cameras discovery
+      description: "[Source: DVRIP](https://github.com/AlexxIT/go2rtc#source-dvrip)"
+      tags: [ Discovery ]
+      responses:
+            default:
+              description: Default response
+
+  /api/ffmpeg/devices:
+    get:
+      summary: FFmpeg USB devices discovery
+      description: "[Source: FFmpeg Device](https://github.com/AlexxIT/go2rtc#source-ffmpeg-device)"
+      tags: [ Discovery ]
+      responses:
+            default:
+              description: Default response
+  /api/ffmpeg/hardware:
+    get:
+      summary: FFmpeg hardware transcoding discovery
+      description: "[Hardware acceleration](https://github.com/AlexxIT/go2rtc/wiki/Hardware-acceleration)"
+      tags: [ Discovery ]
+      responses:
+            default:
+              description: Default response
+  /api/hass:
+    get:
+      summary: Home Assistant cameras discovery
+      description: "[Source: Hass](https://github.com/AlexxIT/go2rtc#source-hass)"
+      tags: [ Discovery ]
+      responses:
+            default:
+              description: Default response
+  /api/homekit:
+    get:
+      summary: HomeKit cameras discovery
+      description: "[Source: HomeKit](https://github.com/AlexxIT/go2rtc#source-homekit)"
+      tags: [ Discovery ]
+      responses:
+            default:
+              description: Default response
+  /api/nest:
+    get:
+      summary: Nest cameras discovery
+      tags: [ Discovery ]
+      responses:
+            default:
+              description: Default response
+  /api/onvif:
+    get:
+      summary: ONVIF cameras discovery
+      description: "[Source: ONVIF](https://github.com/AlexxIT/go2rtc#source-onvif)"
+      tags: [ Discovery ]
+      responses:
+            default:
+              description: Default response
+  /api/roborock:
+    get:
+      summary: Roborock vacuums discovery
+      description: "[Source: Roborock](https://github.com/AlexxIT/go2rtc#source-roborock)"
+      tags: [ Discovery ]
+      responses:
+            default:
+              description: Default response
+
+
+
+  /onvif/:
+    get:
+      summary: ONVIF server implementation
+      description: Simple realisation of the ONVIF protocol. Accepts any suburl requests
+      tags: [ ONVIF ]
+      responses:
+            default:
+              description: Default response
+
+
+
+  /stream/:
+    get:
+      summary: RTSPtoWebRTC server implementation
+      description: Simple API for support [RTSPtoWebRTC](https://www.home-assistant.io/integrations/rtsp_to_webrtc/) integration
+      tags: [ RTSPtoWebRTC ]
+      responses:
+            default:
+              description: Default response
+
+
+
+  /api/webtorrent?src={src}:
+    get:
+      summary: Get WebTorrent share info
+      tags: [ WebTorrent ]
+      parameters:
+        - $ref: "#/components/parameters/stream_src_path"
+      responses:
+        200: { $ref: "#/components/responses/webtorrent" }
+    post:
+      summary: Add WebTorrent share
+      tags: [ WebTorrent ]
+      parameters:
+        - $ref: "#/components/parameters/stream_src_path"
+      responses:
+        200: { $ref: "#/components/responses/webtorrent" }
+
+    delete:
+      summary: Delete WebTorrent share
+      tags: [ WebTorrent ]
+      parameters:
+        - $ref: "#/components/parameters/stream_src_path"
+      responses:
+            default:
+              description: Default response
+
+  /api/webtorrent:
+    get:
+      summary: Get all WebTorrent shares info
+      tags: [ WebTorrent ]
+      responses:
+        200: { $ref: "#/components/responses/discovery" }
+
+
+
+  /api/stack:
+    get:
+      summary: Show list unknown goroutines
+      tags: [ Debug ]
+      responses:
+        200:
+          description: ""
+          content: { text/plain: { example: "" } }

build/hassio/Dockerfile

@@ -1,41 +0,0 @@
-ARG BUILD_FROM
-
-FROM $BUILD_FROM as build
-
-# 1. Build go2rtc
-RUN apk add --no-cache git go
-
-RUN git clone https://github.com/AlexxIT/go2rtc \
-    && cd go2rtc \
-    && CGO_ENABLED=0 go build -ldflags "-s -w" -trimpath
-
-# 2. Download ngrok
-ARG BUILD_ARCH
-
-# https://github.com/home-assistant/docker-base/blob/master/alpine/Dockerfile
-RUN if [ "${BUILD_ARCH}" = "aarch64" ]; then BUILD_ARCH="arm64"; \
-    elif [ "${BUILD_ARCH}" = "armv7" ]; then BUILD_ARCH="arm"; fi \
-    && cd go2rtc \
-    && curl $(curl -s "https://raw.githubusercontent.com/ngrok/docker-ngrok/main/releases.json" | jq -r ".${BUILD_ARCH}.url") -o ngrok.zip \
-    && unzip ngrok
-
-
-
-# https://devopscube.com/reduce-docker-image-size/
-FROM $BUILD_FROM
-
-# 3. Copy go2rtc and ngrok to release
-COPY --from=build /go2rtc/go2rtc /usr/local/bin
-COPY --from=build /go2rtc/ngrok /usr/local/bin
-
-# 4. Install ffmpeg
-# apk base  OK: 22  MiB in 40  packages
-# ffmpeg    OK: 113 MiB in 110 packages
-# python3   OK: 161 MiB in 114 packages
-RUN apk add --no-cache ffmpeg python3
-
-# 5. Copy run to release
-COPY run.sh /
-RUN chmod a+x /run.sh
-
-CMD [ "/run.sh" ]

build/hassio/config.yaml

@@ -1,6 +0,0 @@
-# https://github.com/home-assistant/builder/blob/master/builder.sh
-name: go2rtc
-description: Ultimate camera streaming application
-url: https://github.com/AlexxIT/go2rtc
-image: alexxit/go2rtc
-arch: [ amd64, aarch64, i386, armv7 ]

build/hassio/run.sh

@@ -1,14 +0,0 @@
-#!/usr/bin/with-contenv bashio
-
-set +e
-
-# set cwd for go2rtc (for config file, Hass integration, etc)
-cd /config
-
-# add the feature to override go2rtc binary from Hass config folder
-export PATH="/config:$PATH"
-
-while true; do
-  go2rtc
-  sleep 5
-done

cmd/README.md

@@ -1,4 +0,0 @@
-**Project layout**
-
-- https://github.com/golang-standards/project-layout
-- https://github.com/micro/micro

cmd/api/api.go

@@ -1,139 +0,0 @@
-package api
-
-import (
-	"encoding/json"
-	"github.com/AlexxIT/go2rtc/cmd/app"
-	"github.com/AlexxIT/go2rtc/cmd/streams"
-	"github.com/AlexxIT/go2rtc/pkg/streamer"
-	"github.com/gorilla/websocket"
-	"github.com/rs/zerolog"
-	"net"
-	"net/http"
-)
-
-func Init() {
-	var cfg struct {
-		Mod struct {
-			Listen    string `yaml:"listen"`
-			BasePath  string `yaml:"base_path"`
-			StaticDir string `yaml:"static_dir"`
-		} `yaml:"api"`
-	}
-
-	// default config
-	cfg.Mod.Listen = ":1984"
-
-	// load config from YAML
-	app.LoadConfig(&cfg)
-
-	if cfg.Mod.Listen == "" {
-		return
-	}
-
-	basePath = cfg.Mod.BasePath
-	log = app.GetLogger("api")
-
-	initStatic(cfg.Mod.StaticDir)
-	initWS()
-
-	HandleFunc("api/streams", streamsHandler)
-	HandleFunc("api/ws", apiWS)
-
-	// ensure we can listen without errors
-	listener, err := net.Listen("tcp", cfg.Mod.Listen)
-	if err != nil {
-		log.Fatal().Err(err).Msg("[api] listen")
-		return
-	}
-
-	log.Info().Str("addr", cfg.Mod.Listen).Msg("[api] listen")
-
-	go func() {
-		s := http.Server{}
-
-		if log.Trace().Enabled() {
-			s.Handler = http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-				log.Trace().Stringer("url", r.URL).Msgf("[api] %s", r.Method)
-				http.DefaultServeMux.ServeHTTP(w, r)
-			})
-		}
-
-		if err = s.Serve(listener); err != nil {
-			log.Fatal().Err(err).Msg("[api] serve")
-		}
-	}()
-}
-
-// HandleFunc handle pattern with relative path:
-// - "api/streams" => "{basepath}/api/streams"
-// - "/streams"    => "/streams"
-func HandleFunc(pattern string, handler http.HandlerFunc) {
-	if len(pattern) == 0 || pattern[0] != '/' {
-		pattern = basePath + "/" + pattern
-	}
-	log.Trace().Str("path", pattern).Msg("[api] register path")
-	http.HandleFunc(pattern, handler)
-}
-
-func HandleWS(msgType string, handler WSHandler) {
-	wsHandlers[msgType] = handler
-}
-
-var basePath string
-var log zerolog.Logger
-var wsHandlers = make(map[string]WSHandler)
-
-func streamsHandler(w http.ResponseWriter, r *http.Request) {
-	src := r.URL.Query().Get("src")
-	name := r.URL.Query().Get("name")
-	
-	if name == "" {
-		name = src
-	}
-
-	switch r.Method {
-	case "PUT":
-		streams.New(name, src)
-		return
-	case "DELETE":
-		streams.Delete(src)
-		return
-	}
-
-	var v interface{}
-	if src != "" {
-		v = streams.Get(src)
-	} else {
-		v = streams.All()
-	}
-
-	e := json.NewEncoder(w)
-	e.SetIndent("", "  ")
-	_ = e.Encode(v)
-}
-
-func apiWS(w http.ResponseWriter, r *http.Request) {
-	ctx := new(Context)
-	if err := ctx.Upgrade(w, r); err != nil {
-		log.Error().Err(err).Msg("[api.ws] upgrade")
-		return
-	}
-	defer ctx.Close()
-
-	for {
-		msg := new(streamer.Message)
-		if err := ctx.Conn.ReadJSON(msg); err != nil {
-			if websocket.IsUnexpectedCloseError(
-				err, websocket.CloseGoingAway, websocket.CloseAbnormalClosure,
-			) {
-				log.Error().Err(err).Msg("[api.ws] readJSON")
-			}
-			return
-		}
-
-		handler := wsHandlers[msg.Type]
-		if handler != nil {
-			handler(ctx, msg)
-		}
-	}
-}

cmd/api/ws.go

@@ -1,85 +0,0 @@
-package api
-
-import (
-	"github.com/AlexxIT/go2rtc/pkg/streamer"
-	"github.com/gorilla/websocket"
-	"net/http"
-	"net/url"
-	"strings"
-	"sync"
-)
-
-func initWS() {
-	wsUp = &websocket.Upgrader{
-		ReadBufferSize:  1024,
-		WriteBufferSize: 512000,
-	}
-	wsUp.CheckOrigin = func(r *http.Request) bool {
-		origin := r.Header["Origin"]
-		if len(origin) == 0 {
-			return true
-		}
-		o, err := url.Parse(origin[0])
-		if err != nil {
-			return false
-		}
-		if o.Host == r.Host {
-			return true
-		}
-		log.Trace().Msgf("[api.ws] origin: %s, host: %s", o.Host, r.Host)
-		// some users change Nginx external port using Docker port
-		// so origin will be with a port and host without
-		if i := strings.IndexByte(o.Host, ':'); i > 0 {
-			return o.Host[:i] == r.Host
-		}
-		return false
-	}
-}
-
-var wsUp *websocket.Upgrader
-
-type WSHandler func(ctx *Context, msg *streamer.Message)
-
-type Context struct {
-	Conn     *websocket.Conn
-	Request  *http.Request
-	Consumer interface{} // TODO: rewrite
-
-	onClose []func()
-	mu      sync.Mutex
-}
-
-func (ctx *Context) Upgrade(w http.ResponseWriter, r *http.Request) (err error) {
-	ctx.Conn, err = wsUp.Upgrade(w, r, nil)
-	ctx.Request = r
-	return
-}
-
-func (ctx *Context) Close() {
-	for _, f := range ctx.onClose {
-		f()
-	}
-	_ = ctx.Conn.Close()
-}
-
-func (ctx *Context) Write(msg interface{}) {
-	ctx.mu.Lock()
-
-	if data, ok := msg.([]byte); ok {
-		_ = ctx.Conn.WriteMessage(websocket.BinaryMessage, data)
-	} else {
-		_ = ctx.Conn.WriteJSON(msg)
-	}
-
-	ctx.mu.Unlock()
-}
-
-func (ctx *Context) Error(err error) {
-	ctx.Write(&streamer.Message{
-		Type: "error", Value: err.Error(),
-	})
-}
-
-func (ctx *Context) OnClose(f func()) {
-	ctx.onClose = append(ctx.onClose, f)
-}

cmd/app/app.go

@@ -1,93 +0,0 @@
-package app
-
-import (
-	"flag"
-	"github.com/rs/zerolog"
-	"github.com/rs/zerolog/log"
-	"gopkg.in/yaml.v3"
-	"io"
-	"os"
-	"runtime"
-)
-
-var Version = "0.1-rc.3"
-var UserAgent = "go2rtc/" + Version
-
-func Init() {
-	config := flag.String(
-		"config",
-		"go2rtc.yaml",
-		"Path to go2rtc configuration file",
-	)
-
-	flag.Parse()
-
-	data, _ = os.ReadFile(*config)
-
-	var cfg struct {
-		Mod map[string]string `yaml:"log"`
-	}
-
-	if data != nil {
-		if err := yaml.Unmarshal(data, &cfg); err != nil {
-			println("ERROR: " + err.Error())
-		}
-	}
-
-	log.Logger = NewLogger(cfg.Mod["format"], cfg.Mod["level"])
-
-	modules = cfg.Mod
-
-	log.Info().Msgf("go2rtc version %s %s/%s", Version, runtime.GOOS, runtime.GOARCH)
-
-	path, _ := os.Getwd()
-	log.Debug().Str("cwd", path).Send()
-}
-
-func NewLogger(format string, level string) zerolog.Logger {
-	var writer io.Writer = os.Stdout
-
-	if format != "json" {
-		writer = zerolog.ConsoleWriter{
-			Out: writer, TimeFormat: "15:04:05.000",
-			NoColor: writer != os.Stdout || format == "text",
-		}
-	}
-
-	zerolog.TimeFieldFormat = zerolog.TimeFormatUnixMs
-
-	lvl, err := zerolog.ParseLevel(level)
-	if err != nil || lvl == zerolog.NoLevel {
-		lvl = zerolog.InfoLevel
-	}
-
-	return zerolog.New(writer).With().Timestamp().Logger().Level(lvl)
-}
-
-func LoadConfig(v interface{}) {
-	if data != nil {
-		if err := yaml.Unmarshal(data, v); err != nil {
-			log.Warn().Err(err).Msg("[app] read config")
-		}
-	}
-}
-
-func GetLogger(module string) zerolog.Logger {
-	if s, ok := modules[module]; ok {
-		lvl, err := zerolog.ParseLevel(s)
-		if err == nil {
-			return log.Level(lvl)
-		}
-		log.Warn().Err(err).Caller().Send()
-	}
-
-	return log.Logger
-}
-
-// internal
-
-// data - config content
-var data []byte
-
-// modules log levels
-var modules map[string]string

cmd/app/store/store.go

@@ -1,61 +0,0 @@
-package store
-
-import (
-	"encoding/json"
-	"github.com/rs/zerolog/log"
-	"os"
-)
-
-const name = "go2rtc.json"
-
-var store map[string]interface{}
-
-func load() {
-	data, _ := os.ReadFile(name)
-	if data != nil {
-		if err := json.Unmarshal(data, &store); err != nil {
-			// TODO: log
-			log.Warn().Err(err).Msg("[app] read storage")
-		}
-	}
-
-	if store == nil {
-		store = make(map[string]interface{})
-	}
-}
-
-func save() error {
-	data, err := json.Marshal(store)
-	if err != nil {
-		return err
-	}
-
-	return os.WriteFile(name, data, 0644)
-}
-
-func GetRaw(key string) interface{} {
-	if store == nil {
-		load()
-	}
-
-	return store[key]
-}
-
-func GetDict(key string) map[string]interface{} {
-	raw := GetRaw(key)
-	if raw != nil {
-		return raw.(map[string]interface{})
-	}
-
-	return make(map[string]interface{})
-}
-
-func Set(key string, v interface{}) error {
-	if store == nil {
-		load()
-	}
-
-	store[key] = v
-
-	return save()
-}

cmd/debug/debug.go

@@ -1,27 +0,0 @@
-package debug
-
-import (
-	"github.com/AlexxIT/go2rtc/cmd/api"
-	"github.com/AlexxIT/go2rtc/cmd/streams"
-	"github.com/AlexxIT/go2rtc/pkg/streamer"
-	"net/http"
-	"os"
-	"strconv"
-)
-
-func Init() {
-	api.HandleFunc("api/stack", stackHandler)
-	api.HandleFunc("api/exit", exitHandler)
-
-	streams.HandleFunc("null", nullHandler)
-}
-
-func exitHandler(_ http.ResponseWriter, r *http.Request) {
-	s := r.URL.Query().Get("code")
-	code, _ := strconv.Atoi(s)
-	os.Exit(code)
-}
-
-func nullHandler(string) (streamer.Producer, error) {
-	return nil, nil
-}

cmd/exec/exec.go

@@ -1,109 +0,0 @@
-package exec
-
-import (
-	"crypto/md5"
-	"encoding/hex"
-	"errors"
-	"fmt"
-	"github.com/AlexxIT/go2rtc/cmd/app"
-	"github.com/AlexxIT/go2rtc/cmd/rtsp"
-	"github.com/AlexxIT/go2rtc/cmd/streams"
-	pkg "github.com/AlexxIT/go2rtc/pkg/rtsp"
-	"github.com/AlexxIT/go2rtc/pkg/shell"
-	"github.com/AlexxIT/go2rtc/pkg/streamer"
-	"github.com/rs/zerolog"
-	"os"
-	"os/exec"
-	"strings"
-	"sync"
-	"time"
-)
-
-func Init() {
-	// depends on RTSP server
-	if rtsp.Port == "" {
-		return
-	}
-
-	rtsp.HandleFunc(func(conn *pkg.Conn) bool {
-		waitersMu.Lock()
-		waiter := waiters[conn.URL.Path]
-		waitersMu.Unlock()
-
-		if waiter == nil {
-			return false
-		}
-
-		waiter <- conn
-		return true
-	})
-
-	streams.HandleFunc("exec", Handle)
-
-	log = app.GetLogger("exec")
-}
-
-func Handle(url string) (streamer.Producer, error) {
-	sum := md5.Sum([]byte(url))
-	path := "/" + hex.EncodeToString(sum[:])
-
-	url = strings.Replace(
-		url, "{output}", "rtsp://localhost:"+rtsp.Port+path, 1,
-	)
-
-	// remove `exec:`
-	args := shell.QuoteSplit(url[5:])
-	cmd := exec.Command(args[0], args[1:]...)
-
-	if log.Trace().Enabled() {
-		cmd.Stdout = os.Stdout
-	}
-	if log.Debug().Enabled() {
-		cmd.Stderr = os.Stderr
-	}
-
-	ch := make(chan streamer.Producer)
-
-	waitersMu.Lock()
-	waiters[path] = ch
-	waitersMu.Unlock()
-
-	defer func() {
-		waitersMu.Lock()
-		delete(waiters, path)
-		waitersMu.Unlock()
-	}()
-
-	log.Debug().Str("url", url).Msg("[exec] run")
-
-	ts := time.Now()
-
-	if err := cmd.Start(); err != nil {
-		log.Error().Err(err).Str("url", url).Msg("[exec]")
-		return nil, err
-	}
-
-	chErr := make(chan error)
-
-	go func() {
-		chErr <- cmd.Wait()
-	}()
-
-	select {
-	case <-time.After(time.Second * 60):
-		_ = cmd.Process.Kill()
-		log.Error().Str("url", url).Msg("[exec] timeout")
-		return nil, errors.New("timeout")
-	case err := <-chErr:
-		return nil, fmt.Errorf("exec: %s", err)
-	case prod := <-ch:
-		log.Debug().Stringer("launch", time.Since(ts)).Msg("[exec] run")
-		return prod, nil
-	}
-}
-
-// internal
-
-var log zerolog.Logger
-var waiters = map[string]chan streamer.Producer{}
-var waitersMu sync.Mutex

cmd/ffmpeg/device/device_darwin.go

@@ -1,63 +0,0 @@
-package device
-
-import (
-	"bytes"
-	"github.com/AlexxIT/go2rtc/pkg/streamer"
-	"os/exec"
-	"strings"
-)
-
-// https://trac.ffmpeg.org/wiki/Capture/Webcam
-const deviceInputPrefix = "-f avfoundation"
-
-func deviceInputSuffix(videoIdx, audioIdx int) string {
-	video := findMedia(streamer.KindVideo, videoIdx)
-	audio := findMedia(streamer.KindAudio, audioIdx)
-	switch {
-	case video != nil && audio != nil:
-		return `"` + video.Title + `:` + audio.Title + `"`
-	case video != nil:
-		return `"` + video.Title + `"`
-	case audio != nil:
-		return `"` + audio.Title + `"`
-	}
-	return ""
-}
-
-func loadMedias() {
-	cmd := exec.Command(
-		Bin, "-hide_banner", "-list_devices", "true", "-f", "avfoundation", "-i", "dummy",
-	)
-
-	var buf bytes.Buffer
-	cmd.Stderr = &buf
-	_ = cmd.Run()
-
-	var kind string
-
-	lines := strings.Split(buf.String(), "\n")
-process:
-	for _, line := range lines {
-		switch {
-		case strings.HasSuffix(line, "video devices:"):
-			kind = streamer.KindVideo
-			continue
-		case strings.HasSuffix(line, "audio devices:"):
-			kind = streamer.KindAudio
-			continue
-		case strings.HasPrefix(line, "dummy"):
-			break process
-		}
-
-		// [AVFoundation indev @ 0x7fad54604380] [0] FaceTime HD Camera
-		name := line[42:]
-		media := loadMedia(kind, name)
-		medias = append(medias, media)
-	}
-}
-
-func loadMedia(kind, name string) *streamer.Media {
-	return &streamer.Media{
-		Kind: kind, Title: name,
-	}
-}

cmd/ffmpeg/device/device_linux.go

@@ -1,50 +0,0 @@
-package device
-
-import (
-	"bytes"
-	"github.com/AlexxIT/go2rtc/pkg/streamer"
-	"io/ioutil"
-	"os/exec"
-	"strings"
-)
-
-// https://trac.ffmpeg.org/wiki/Capture/Webcam
-const deviceInputPrefix = "-f v4l2"
-
-func deviceInputSuffix(videoIdx, audioIdx int) string {
-	video := findMedia(streamer.KindVideo, videoIdx)
-	return video.Title
-}
-
-func loadMedias() {
-	files, err := ioutil.ReadDir("/dev")
-	if err != nil {
-		return
-	}
-	for _, file := range files {
-		log.Trace().Msg("[ffmpeg] " + file.Name())
-		if strings.HasPrefix(file.Name(), streamer.KindVideo) {
-			media := loadMedia(streamer.KindVideo, "/dev/"+file.Name())
-			if media != nil {
-				medias = append(medias, media)
-			}
-		}
-	}
-}
-
-func loadMedia(kind, name string) *streamer.Media {
-	cmd := exec.Command(
-		Bin, "-hide_banner", "-f", "v4l2", "-list_formats", "all", "-i", name,
-	)
-	var buf bytes.Buffer
-	cmd.Stderr = &buf
-	_ = cmd.Run()
-
-	if !bytes.Contains(buf.Bytes(), []byte("Raw")) {
-		return nil
-	}
-
-	return &streamer.Media{
-		Kind: kind, Title: name,
-	}
-}

cmd/ffmpeg/device/device_windows.go

@@ -1,59 +0,0 @@
-package device
-
-import (
-	"bytes"
-	"github.com/AlexxIT/go2rtc/pkg/streamer"
-	"os/exec"
-	"strings"
-)
-
-// https://trac.ffmpeg.org/wiki/DirectShow
-const deviceInputPrefix = "-f dshow"
-
-func deviceInputSuffix(videoIdx, audioIdx int) string {
-	video := findMedia(streamer.KindVideo, videoIdx)
-	audio := findMedia(streamer.KindAudio, audioIdx)
-	switch {
-	case video != nil && audio != nil:
-		return `video="` + video.Title + `":audio=` + audio.Title + `"`
-	case video != nil:
-		return `video="` + video.Title + `"`
-	case audio != nil:
-		return `audio="` + audio.Title + `"`
-	}
-	return ""
-}
-
-func loadMedias() {
-	cmd := exec.Command(
-		Bin, "-hide_banner", "-list_devices", "true", "-f", "dshow", "-i", "",
-	)
-
-	var buf bytes.Buffer
-	cmd.Stderr = &buf
-	_ = cmd.Run()
-
-	lines := strings.Split(buf.String(), "\r\n")
-	for _, line := range lines {
-		var kind string
-		if strings.HasSuffix(line, "(video)") {
-			kind = streamer.KindVideo
-		} else if strings.HasSuffix(line, "(audio)") {
-			kind = streamer.KindAudio
-		} else {
-			continue
-		}
-
-		// hope we have constant prefix and suffix sizes
-		// [dshow @ 00000181e8d028c0] "VMware Virtual USB Video Device" (video)
-		name := line[28 : len(line)-9]
-		media := loadMedia(kind, name)
-		medias = append(medias, media)
-	}
-}
-
-func loadMedia(kind, name string) *streamer.Media {
-	return &streamer.Media{
-		Kind: kind, Title: name,
-	}
-}

cmd/ffmpeg/device/devices.go

@@ -1,83 +0,0 @@
-package device
-
-import (
-	"encoding/json"
-	"github.com/AlexxIT/go2rtc/cmd/api"
-	"github.com/AlexxIT/go2rtc/cmd/app"
-	"github.com/AlexxIT/go2rtc/pkg/streamer"
-	"github.com/rs/zerolog"
-	"net/http"
-	"net/url"
-	"strconv"
-	"strings"
-)
-
-func Init() {
-	log = app.GetLogger("exec")
-
-	api.HandleFunc("api/devices", handle)
-}
-
-func GetInput(src string) (string, error) {
-	if medias == nil {
-		loadMedias()
-	}
-
-	input := deviceInputPrefix
-
-	var videoIdx, audioIdx int
-	if i := strings.IndexByte(src, '?'); i > 0 {
-		query, err := url.ParseQuery(src[i+1:])
-		if err != nil {
-			return "", err
-		}
-		for key, value := range query {
-			switch key {
-			case "video":
-				videoIdx, _ = strconv.Atoi(value[0])
-			case "audio":
-				audioIdx, _ = strconv.Atoi(value[0])
-			case "framerate":
-				input += " -framerate " + value[0]
-			case "resolution":
-				input += " -video_size " + value[0]
-			}
-		}
-	}
-
-	input += " -i " + deviceInputSuffix(videoIdx, audioIdx)
-
-	return input, nil
-}
-
-var Bin string
-var log zerolog.Logger
-var medias []*streamer.Media
-
-func findMedia(kind string, index int) *streamer.Media {
-	for _, media := range medias {
-		if media.Kind != kind {
-			continue
-		}
-		if index == 0 {
-			return media
-		}
-		index--
-	}
-	return nil
-}
-
-func handle(w http.ResponseWriter, r *http.Request) {
-	if medias == nil {
-		loadMedias()
-	}
-
-	data, err := json.Marshal(medias)
-	if err != nil {
-		log.Error().Err(err).Msg("[api.ffmpeg]")
-		return
-	}
-	if _, err = w.Write(data); err != nil {
-		log.Error().Err(err).Msg("[api.ffmpeg]")
-	}
-}

cmd/ffmpeg/ffmpeg.go

@@ -1,215 +0,0 @@
-package ffmpeg
-
-import (
-	"github.com/AlexxIT/go2rtc/cmd/app"
-	"github.com/AlexxIT/go2rtc/cmd/exec"
-	"github.com/AlexxIT/go2rtc/cmd/ffmpeg/device"
-	"github.com/AlexxIT/go2rtc/cmd/rtsp"
-	"github.com/AlexxIT/go2rtc/cmd/streams"
-	"github.com/AlexxIT/go2rtc/pkg/streamer"
-	"net/url"
-	"strconv"
-	"strings"
-)
-
-func Init() {
-	var cfg struct {
-		Mod map[string]string `yaml:"ffmpeg"`
-	}
-
-	// defaults
-
-	cfg.Mod = map[string]string{
-		"bin": "ffmpeg",
-
-		// inputs
-		"file": "-re -stream_loop -1 -i {input}",
-		"http": "-fflags nobuffer -flags low_delay -i {input}",
-		"rtsp": "-fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_transport tcp -i {input}",
-
-		// output
-		"output": "-user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}",
-
-		// `-g 30` - group of picture, GOP, keyframe interval
-		// `-preset superfast` - we can't use ultrafast because it doesn't support `-profile main -level 4.1`
-		// `-tune zerolatency` - for minimal latency
-		// `-profile main -level 4.1` - most used streaming profile
-		// `-pix_fmt yuv420p` - if input pix format 4:2:2
-		"h264":       "-c:v libx264 -g:v 30 -preset:v superfast -tune:v zerolatency -profile:v main -level:v 4.1 -pix_fmt:v yuv420p",
-		"h264/ultra": "-c:v libx264 -g:v 30 -preset:v ultrafast -tune:v zerolatency",
-		"h264/high":  "-c:v libx264 -g:v 30 -preset:v superfast -tune:v zerolatency",
-		"h265":       "-c:v libx265 -g:v 30 -preset:v ultrafast -tune:v zerolatency",
-		"mjpeg":      "-c:v mjpeg -force_duplicated_matrix:v 1 -huffman:v 0 -pix_fmt:v yuvj420p",
-		"opus":       "-c:a libopus -ar:a 48000 -ac:a 2",
-		"pcmu":       "-c:a pcm_mulaw -ar:a 8000 -ac:a 1",
-		"pcmu/16000": "-c:a pcm_mulaw -ar:a 16000 -ac:a 1",
-		"pcmu/48000": "-c:a pcm_mulaw -ar:a 48000 -ac:a 1",
-		"pcma":       "-c:a pcm_alaw -ar:a 8000 -ac:a 1",
-		"pcma/16000": "-c:a pcm_alaw -ar:a 16000 -ac:a 1",
-		"pcma/48000": "-c:a pcm_alaw -ar:a 48000 -ac:a 1",
-		"aac":        "-c:a aac", // keep sample rate and channels
-		"aac/16000":  "-c:a aac -ar:a 16000 -ac:a 1",
-	}
-
-	app.LoadConfig(&cfg)
-
-	tpl := cfg.Mod
-
-	cmd := "exec:" + tpl["bin"] + " -hide_banner "
-
-	if app.GetLogger("exec").GetLevel() >= 0 {
-		cmd += "-v error "
-	}
-
-	streams.HandleFunc("ffmpeg", func(s string) (streamer.Producer, error) {
-		s = s[7:] // remove `ffmpeg:`
-
-		var query url.Values
-		var queryVideo, queryAudio bool
-
-		if i := strings.IndexByte(s, '#'); i > 0 {
-			query = parseQuery(s[i+1:])
-			queryVideo = query["video"] != nil
-			queryAudio = query["audio"] != nil
-			s = s[:i]
-		} else {
-			// by default query both video and audio
-			queryVideo = true
-			queryAudio = true
-		}
-
-		var input string
-		if i := strings.Index(s, "://"); i > 0 {
-			switch s[:i] {
-			case "http", "https", "rtmp":
-				input = strings.Replace(tpl["http"], "{input}", s, 1)
-			case "rtsp", "rtsps":
-				// https://ffmpeg.org/ffmpeg-protocols.html#rtsp
-				// skip unnecessary input tracks
-				switch {
-				case queryVideo && queryAudio:
-					input = "-allowed_media_types video+audio "
-				case queryVideo:
-					input = "-allowed_media_types video "
-				case queryAudio:
-					input = "-allowed_media_types audio "
-				}
-
-				input += strings.Replace(tpl["rtsp"], "{input}", s, 1)
-			default:
-				input = "-i " + s
-			}
-		} else if streams.Get(s) != nil {
-			s = "rtsp://localhost:" + rtsp.Port + "/" + s
-			switch {
-			case queryVideo && !queryAudio:
-				s += "?video"
-			case queryAudio && !queryVideo:
-				s += "?audio"
-			}
-			input = strings.Replace(tpl["rtsp"], "{input}", s, 1)
-		} else if strings.HasPrefix(s, "device?") {
-			var err error
-			input, err = device.GetInput(s)
-			if err != nil {
-				return nil, err
-			}
-		} else {
-			input = strings.Replace(tpl["file"], "{input}", s, 1)
-		}
-
-		if _, ok := query["async"]; ok {
-			input = "-use_wallclock_as_timestamps 1 -async 1 " + input
-		}
-
-		s = cmd + input
-
-		if query != nil {
-			for _, raw := range query["raw"] {
-				s += " " + raw
-			}
-
-			for _, rotate := range query["rotate"] {
-				switch rotate {
-				case "90":
-					s += " -vf transpose=1" // 90 degrees clockwise
-				case "180":
-					s += " -vf transpose=1,transpose=1"
-				case "-90", "270":
-					s += " -vf transpose=2" // 90 degrees counterclockwise
-				}
-				break
-			}
-
-			switch len(query["video"]) {
-			case 0:
-				s += " -vn"
-			case 1:
-				if len(query["audio"]) > 1 {
-					s += " -map 0:v:0"
-				}
-				for _, video := range query["video"] {
-					if video == "copy" {
-						s += " -c:v copy"
-					} else {
-						s += " " + tpl[video]
-					}
-				}
-			default:
-				for i, video := range query["video"] {
-					if video == "copy" {
-						s += " -map 0:v:0 -c:v:" + strconv.Itoa(i) + " copy"
-					} else {
-						s += " -map 0:v:0 " + strings.ReplaceAll(tpl[video], ":v ", ":v:"+strconv.Itoa(i)+" ")
-					}
-				}
-			}
-
-			switch len(query["audio"]) {
-			case 0:
-				s += " -an"
-			case 1:
-				if len(query["video"]) > 1 {
-					s += " -map 0:a:0"
-				}
-				for _, audio := range query["audio"] {
-					if audio == "copy" {
-						s += " -c:a copy"
-					} else {
-						s += " " + tpl[audio]
-					}
-				}
-			default:
-				for i, audio := range query["audio"] {
-					if audio == "copy" {
-						s += " -map 0:a:0 -c:a:" + strconv.Itoa(i) + " copy"
-					} else {
-						s += " -map 0:a:0 " + strings.ReplaceAll(tpl[audio], ":a ", ":a:"+strconv.Itoa(i)+" ")
-					}
-				}
-			}
-		} else {
-			s += " -c copy"
-		}
-
-		s += " " + tpl["output"]
-
-		return exec.Handle(s)
-	})
-
-	device.Bin = cfg.Mod["bin"]
-	device.Init()
-}
-
-func parseQuery(s string) map[string][]string {
-	query := map[string][]string{}
-	for _, key := range strings.Split(s, "#") {
-		var value string
-		i := strings.IndexByte(key, '=')
-		if i > 0 {
-			key, value = key[:i], key[i+1:]
-		}
-		query[key] = append(query[key], value)
-	}
-	return query
-}

cmd/hass/api.go

@@ -1,153 +0,0 @@
-package hass
-
-import (
-	"encoding/base64"
-	"encoding/json"
-	"github.com/AlexxIT/go2rtc/cmd/api"
-	"github.com/AlexxIT/go2rtc/cmd/streams"
-	"github.com/AlexxIT/go2rtc/cmd/webrtc"
-	"net/http"
-	"net/url"
-	"strings"
-)
-
-func initAPI() {
-	ok := func(w http.ResponseWriter, r *http.Request) {
-		w.Header().Set("Content-Type", "application/json")
-		_, _ = w.Write([]byte(`{"status":1,"payload":{}}`))
-	}
-
-	// support https://www.home-assistant.io/integrations/rtsp_to_webrtc/
-	api.HandleFunc("/static", func(w http.ResponseWriter, r *http.Request) {
-		w.WriteHeader(http.StatusOK)
-	})
-
-	api.HandleFunc("/streams", ok)
-
-	api.HandleFunc("/stream/", func(w http.ResponseWriter, r *http.Request) {
-		switch {
-		// /stream/{id}/add
-		case strings.HasSuffix(r.RequestURI, "/add"):
-			var v addJSON
-			if err := json.NewDecoder(r.Body).Decode(&v); err != nil {
-				return
-			}
-
-			// we can get three types of links:
-			// 1. link to go2rtc stream: rtsp://...:8554/{stream_name}
-			// 2. static link to Hass camera
-			// 3. dynamic link to Hass camera
-			stream := streams.Get(v.Name)
-			if stream == nil {
-				// check if it is rtsp link to go2rtc
-				stream = rtspStream(v.Channels.First.Url)
-				if stream != nil {
-					streams.New(v.Name, stream)
-				} else {
-					stream = streams.New(v.Name, "{input}")
-				}
-			}
-
-			stream.SetSource(v.Channels.First.Url)
-
-			ok(w, r)
-
-		// /stream/{id}/channel/0/webrtc
-		default:
-			i := strings.IndexByte(r.RequestURI[8:], '/')
-			if i <= 0 {
-				log.Warn().Msgf("wrong request: %s", r.RequestURI)
-				return
-			}
-			name := r.RequestURI[8 : 8+i]
-
-			stream := streams.Get(name)
-			if stream == nil {
-				w.WriteHeader(http.StatusNotFound)
-				return
-			}
-
-			if err := r.ParseForm(); err != nil {
-				log.Error().Err(err).Msg("[api.hass] parse form")
-				return
-			}
-
-			s := r.FormValue("data")
-			offer, err := base64.StdEncoding.DecodeString(s)
-			if err != nil {
-				log.Error().Err(err).Msg("[api.hass] sdp64 decode")
-				return
-			}
-
-			s, err = webrtc.ExchangeSDP(stream, string(offer), r.UserAgent())
-			if err != nil {
-				log.Error().Err(err).Msg("[api.hass] exchange SDP")
-				return
-			}
-
-			s = base64.StdEncoding.EncodeToString([]byte(s))
-			_, _ = w.Write([]byte(s))
-		}
-	})
-
-	// api from RTSPtoWebRTC
-	api.HandleFunc("/stream", func(w http.ResponseWriter, r *http.Request) {
-		if err := r.ParseForm(); err != nil {
-			return
-		}
-
-		str := r.FormValue("sdp64")
-		offer, err := base64.StdEncoding.DecodeString(str)
-		if err != nil {
-			return
-		}
-
-		src := r.FormValue("url")
-		src, err = url.QueryUnescape(src)
-		if err != nil {
-			return
-		}
-
-		stream := streams.Get(src)
-		if stream == nil {
-			if stream = rtspStream(src); stream != nil {
-				streams.New(src, stream)
-			} else {
-				stream = streams.New(src, src)
-			}
-		}
-
-		str, err = webrtc.ExchangeSDP(stream, string(offer), r.UserAgent())
-		if err != nil {
-			return
-		}
-
-		v := struct {
-			Answer string `json:"sdp64"`
-		}{
-			Answer: base64.StdEncoding.EncodeToString([]byte(str)),
-		}
-
-		w.Header().Set("Content-Type", "application/json")
-		_ = json.NewEncoder(w).Encode(v)
-	})
-}
-
-func rtspStream(url string) *streams.Stream {
-	if strings.HasPrefix(url, "rtsp://") {
-		if i := strings.IndexByte(url[7:], '/'); i > 0 {
-			return streams.Get(url[8+i:])
-		}
-	}
-	return nil
-}
-
-type addJSON struct {
-	Name     string `json:"name"`
-	Channels struct {
-		First struct {
-			//Name string `json:"name"`
-			Url string `json:"url"`
-		} `json:"0"`
-	} `json:"channels"`
-}

cmd/hass/hass.go

@@ -1,97 +0,0 @@
-package hass
-
-import (
-	"encoding/json"
-	"fmt"
-	"github.com/AlexxIT/go2rtc/cmd/app"
-	"github.com/AlexxIT/go2rtc/cmd/streams"
-	"github.com/AlexxIT/go2rtc/pkg/streamer"
-	"github.com/rs/zerolog"
-	"os"
-	"path"
-)
-
-func Init() {
-	var conf struct {
-		Mod struct {
-			Config string `yaml:"config"`
-		} `yaml:"hass"`
-	}
-
-	app.LoadConfig(&conf)
-
-	log = app.GetLogger("hass")
-
-	initAPI()
-
-	// support load cameras from Hass config file
-	filename := path.Join(conf.Mod.Config, ".storage/core.config_entries")
-	data, err := os.ReadFile(filename)
-	if err != nil {
-		return
-	}
-
-	storage := new(entries)
-	if err = json.Unmarshal(data, storage); err != nil {
-		return
-	}
-
-	urls := map[string]string{}
-
-	streams.HandleFunc("hass", func(url string) (streamer.Producer, error) {
-		if hurl := urls[url[5:]]; hurl != "" {
-			return streams.GetProducer(hurl)
-		}
-		return nil, fmt.Errorf("can't get url: %s", url)
-	})
-
-	for _, entrie := range storage.Data.Entries {
-		switch entrie.Domain {
-		case "generic":
-			if entrie.Options.StreamSource == "" {
-				continue
-			}
-			urls[entrie.Title] = entrie.Options.StreamSource
-
-		case "homekit_controller":
-			if entrie.Data.ClientID == "" {
-				continue
-			}
-			urls[entrie.Title] = fmt.Sprintf(
-				"homekit://%s:%d?client_id=%s&client_private=%s%s&device_id=%s&device_public=%s",
-				entrie.Data.DeviceHost, entrie.Data.DevicePort,
-				entrie.Data.ClientID, entrie.Data.ClientPrivate, entrie.Data.ClientPublic,
-				entrie.Data.DeviceID, entrie.Data.DevicePublic,
-			)
-
-		default:
-			continue
-		}
-
-		log.Info().Str("url", "hass:"+entrie.Title).Msg("[hass] load stream")
-		//streams.Get("hass:" + entrie.Title)
-	}
-}
-
-var log zerolog.Logger
-
-type entries struct {
-	Data struct {
-		Entries []struct {
-			Title  string `json:"title"`
-			Domain string `json:"domain"`
-			Data   struct {
-				ClientID      string `json:"iOSPairingId"`
-				ClientPrivate string `json:"iOSDeviceLTSK"`
-				ClientPublic  string `json:"iOSDeviceLTPK"`
-				DeviceID      string `json:"AccessoryPairingID"`
-				DevicePublic  string `json:"AccessoryLTPK"`
-				DeviceHost    string `json:"AccessoryIP"`
-				DevicePort    uint16 `json:"AccessoryPort"`
-			} `json:"data"`
-			Options struct {
-				StreamSource string `json:"stream_source"`
-			}
-		} `json:"entries"`
-	} `json:"data"`
-}

cmd/homekit/api.go

@@ -1,140 +0,0 @@
-package homekit
-
-import (
-	"encoding/json"
-	"fmt"
-	"github.com/AlexxIT/go2rtc/cmd/app/store"
-	"github.com/AlexxIT/go2rtc/cmd/streams"
-	"github.com/AlexxIT/go2rtc/pkg/hap"
-	"github.com/AlexxIT/go2rtc/pkg/hap/mdns"
-	"net/http"
-	"net/url"
-	"strings"
-)
-
-func apiHandler(w http.ResponseWriter, r *http.Request) {
-	switch r.Method {
-	case "GET":
-		items := make([]interface{}, 0)
-
-		for name, src := range store.GetDict("streams") {
-			if src := src.(string); strings.HasPrefix(src, "homekit") {
-				u, err := url.Parse(src)
-				if err != nil {
-					continue
-				}
-				device := Device{
-					Name:   name,
-					Addr:   u.Host,
-					Paired: true,
-				}
-				items = append(items, device)
-			}
-		}
-
-		for info := range mdns.GetAll() {
-			if !strings.HasSuffix(info.Name, mdns.Suffix) {
-				continue
-			}
-			name := info.Name[:len(info.Name)-len(mdns.Suffix)]
-			device := Device{
-				Name: strings.ReplaceAll(name, "\\", ""),
-				Addr: fmt.Sprintf("%s:%d", info.AddrV4, info.Port),
-			}
-			for _, field := range info.InfoFields {
-				switch field[:2] {
-				case "id":
-					device.ID = field[3:]
-				case "md":
-					device.Model = field[3:]
-				case "sf":
-					device.Paired = field[3] == '0'
-				}
-			}
-			items = append(items, device)
-		}
-
-		_ = json.NewEncoder(w).Encode(items)
-
-	case "POST":
-		// TODO: post params...
-
-		id := r.URL.Query().Get("id")
-		pin := r.URL.Query().Get("pin")
-		name := r.URL.Query().Get("name")
-		if err := hkPair(id, pin, name); err != nil {
-			log.Error().Err(err).Caller().Send()
-			_, err = w.Write([]byte(err.Error()))
-		}
-
-	case "DELETE":
-		src := r.URL.Query().Get("src")
-		if err := hkDelete(src); err != nil {
-			log.Error().Err(err).Caller().Send()
-			_, err = w.Write([]byte(err.Error()))
-		}
-	}
-}
-
-func hkPair(deviceID, pin, name string) (err error) {
-	var conn *hap.Conn
-
-	if conn, err = hap.Pair(deviceID, pin); err != nil {
-		return
-	}
-
-	streams.New(name, conn.URL())
-
-	dict := store.GetDict("streams")
-	dict[name] = conn.URL()
-
-	return store.Set("streams", dict)
-}
-
-func hkDelete(name string) (err error) {
-	dict := store.GetDict("streams")
-	for key, rawURL := range dict {
-		if key != name {
-			continue
-		}
-
-		var conn *hap.Conn
-
-		if conn, err = hap.NewConn(rawURL.(string)); err != nil {
-			return
-		}
-
-		if err = conn.Dial(); err != nil {
-			return
-		}
-
-		go func() {
-			if err = conn.Handle(); err != nil {
-				log.Warn().Err(err).Caller().Send()
-			}
-		}()
-
-		if err = conn.ListPairings(); err != nil {
-			return
-		}
-
-		if err = conn.DeletePairing(conn.ClientID); err != nil {
-			log.Error().Err(err).Caller().Send()
-		}
-
-		delete(dict, name)
-
-		return store.Set("streams", dict)
-	}
-
-	return nil
-}
-
-type Device struct {
-	ID     string `json:"id"`
-	Name   string `json:"name"`
-	Addr   string `json:"addr"`
-	Model  string `json:"model"`
-	Paired bool   `json:"paired"`
-	//Type    string `json:"type"`
-}

cmd/homekit/homekit.go

@@ -1,32 +0,0 @@
-package homekit
-
-import (
-	"github.com/AlexxIT/go2rtc/cmd/api"
-	"github.com/AlexxIT/go2rtc/cmd/app"
-	"github.com/AlexxIT/go2rtc/cmd/srtp"
-	"github.com/AlexxIT/go2rtc/cmd/streams"
-	"github.com/AlexxIT/go2rtc/pkg/homekit"
-	"github.com/AlexxIT/go2rtc/pkg/streamer"
-	"github.com/rs/zerolog"
-)
-
-func Init() {
-	log = app.GetLogger("homekit")
-
-	streams.HandleFunc("homekit", streamHandler)
-
-	api.HandleFunc("api/homekit", apiHandler)
-}
-
-var log zerolog.Logger
-
-func streamHandler(url string) (streamer.Producer, error) {
-	conn, err := homekit.NewClient(url, srtp.Server)
-	if err != nil {
-		return nil, err
-	}
-	if err = conn.Dial();err!=nil{
-		return nil, err
-	}
-	return conn, nil
-}

cmd/mjpeg/mjpeg.go

@@ -1,89 +0,0 @@
-package mjpeg
-
-import (
-	"github.com/AlexxIT/go2rtc/cmd/api"
-	"github.com/AlexxIT/go2rtc/cmd/streams"
-	"github.com/AlexxIT/go2rtc/pkg/mjpeg"
-	"github.com/rs/zerolog/log"
-	"net/http"
-	"strconv"
-)
-
-func Init() {
-	api.HandleFunc("api/frame.jpeg", handlerKeyframe)
-	api.HandleFunc("api/stream.mjpeg", handlerStream)
-}
-
-func handlerKeyframe(w http.ResponseWriter, r *http.Request) {
-	src := r.URL.Query().Get("src")
-	stream := streams.GetOrNew(src)
-	if stream == nil {
-		return
-	}
-
-	exit := make(chan []byte)
-
-	cons := &mjpeg.Consumer{}
-	cons.Listen(func(msg interface{}) {
-		switch msg := msg.(type) {
-		case []byte:
-			exit <- msg
-		}
-	})
-
-	if err := stream.AddConsumer(cons); err != nil {
-		log.Error().Err(err).Caller().Send()
-		return
-	}
-
-	data := <-exit
-
-	stream.RemoveConsumer(cons)
-
-	w.Header().Set("Content-Type", "image/jpeg")
-	w.Header().Set("Content-Length", strconv.Itoa(len(data)))
-
-	if _, err := w.Write(data); err != nil {
-		log.Error().Err(err).Caller().Send()
-	}
-}
-
-const header = "--frame\r\nContent-Type: image/jpeg\r\nContent-Length: "
-
-func handlerStream(w http.ResponseWriter, r *http.Request) {
-	src := r.URL.Query().Get("src")
-	stream := streams.GetOrNew(src)
-	if stream == nil {
-		return
-	}
-
-	exit := make(chan struct{})
-
-	cons := &mjpeg.Consumer{}
-	cons.Listen(func(msg interface{}) {
-		switch msg := msg.(type) {
-		case []byte:
-			data := []byte(header + strconv.Itoa(len(msg)))
-			data = append(data, 0x0D, 0x0A, 0x0D, 0x0A)
-			data = append(data, msg...)
-			data = append(data, 0x0D, 0x0A)
-
-			if _, err := w.Write(data); err != nil {
-				exit <- struct{}{}
-			}
-		}
-	})
-
-	if err := stream.AddConsumer(cons); err != nil {
-		log.Error().Err(err).Msg("[api.mjpeg] add consumer")
-		return
-	}
-
-	w.Header().Set("Content-Type", `multipart/x-mixed-replace; boundary=frame`)
-
-	<-exit
-
-	stream.RemoveConsumer(cons)
-
-	//log.Trace().Msg("[api.mjpeg] close")
-}

cmd/mp4/mp4.go

@@ -1,151 +0,0 @@
-package mp4
-
-import (
-	"github.com/AlexxIT/go2rtc/cmd/api"
-	"github.com/AlexxIT/go2rtc/cmd/app"
-	"github.com/AlexxIT/go2rtc/cmd/streams"
-	"github.com/AlexxIT/go2rtc/pkg/mp4"
-	"github.com/rs/zerolog"
-	"net/http"
-	"strconv"
-	"strings"
-	"time"
-)
-
-func Init() {
-	log = app.GetLogger("mp4")
-
-	api.HandleWS(MsgTypeMSE, handlerWS)
-
-	api.HandleFunc("api/frame.mp4", handlerKeyframe)
-	api.HandleFunc("api/stream.mp4", handlerMP4)
-}
-
-var log zerolog.Logger
-
-func handlerKeyframe(w http.ResponseWriter, r *http.Request) {
-	if isChromeFirst(w, r) {
-		return
-	}
-
-	src := r.URL.Query().Get("src")
-	stream := streams.GetOrNew(src)
-	if stream == nil {
-		return
-	}
-
-	exit := make(chan []byte)
-
-	cons := &mp4.Keyframe{}
-	cons.Listen(func(msg interface{}) {
-		if data, ok := msg.([]byte); ok && exit != nil {
-			exit <- data
-			exit = nil
-		}
-	})
-
-	if err := stream.AddConsumer(cons); err != nil {
-		log.Error().Err(err).Caller().Send()
-		return
-	}
-
-	data := <-exit
-
-	stream.RemoveConsumer(cons)
-
-	// Apple Safari won't show frame without length
-	w.Header().Set("Content-Length", strconv.Itoa(len(data)))
-	w.Header().Set("Content-Type", cons.MimeType)
-
-	if _, err := w.Write(data); err != nil {
-		log.Error().Err(err).Caller().Send()
-	}
-}
-
-func handlerMP4(w http.ResponseWriter, r *http.Request) {
-	if isChromeFirst(w, r) || isSafari(w, r) {
-		return
-	}
-
-	log.Trace().Msgf("[api.mp4] %+v", r)
-
-	src := r.URL.Query().Get("src")
-	stream := streams.GetOrNew(src)
-	if stream == nil {
-		return
-	}
-
-	exit := make(chan error)
-
-	cons := &mp4.Consumer{}
-	cons.Listen(func(msg interface{}) {
-		if data, ok := msg.([]byte); ok {
-			if _, err := w.Write(data); err != nil && exit != nil {
-				exit <- err
-				exit = nil
-			}
-		}
-	})
-
-	if err := stream.AddConsumer(cons); err != nil {
-		log.Error().Err(err).Caller().Send()
-		return
-	}
-
-	defer stream.RemoveConsumer(cons)
-
-	w.Header().Set("Content-Type", cons.MimeType())
-
-	data, err := cons.Init()
-	if err != nil {
-		log.Error().Err(err).Caller().Send()
-		return
-	}
-
-	if _, err = w.Write(data); err != nil {
-		log.Error().Err(err).Caller().Send()
-		return
-	}
-
-	cons.Start()
-
-	var duration *time.Timer
-	if s := r.URL.Query().Get("duration"); s != "" {
-		if i, _ := strconv.Atoi(s); i > 0 {
-			duration = time.AfterFunc(time.Second*time.Duration(i), func() {
-				if exit != nil {
-					exit <- nil
-					exit = nil
-				}
-			})
-		}
-	}
-
-	err = <-exit
-
-	log.Trace().Err(err).Caller().Send()
-
-	if duration != nil {
-		duration.Stop()
-	}
-}
-
-func isChromeFirst(w http.ResponseWriter, r *http.Request) bool {
-	// Chrome 105 does two requests: without Range and with `Range: bytes=0-`
-	if strings.Contains(r.UserAgent(), " Chrome/") {
-		if r.Header.Values("Range") == nil {
-			w.Header().Set("Content-Type", "video/mp4")
-			w.WriteHeader(http.StatusOK)
-			return true
-		}
-	}
-	return false
-}
-
-func isSafari(w http.ResponseWriter, r *http.Request) bool {
-	if r.Header.Get("Range") == "bytes=0-1" {
-		handlerKeyframe(w, r)
-		return true
-	}
-	return false
-}

cmd/mp4/mse.go

@@ -1,57 +0,0 @@
-package mp4
-
-import (
-	"github.com/AlexxIT/go2rtc/cmd/api"
-	"github.com/AlexxIT/go2rtc/cmd/streams"
-	"github.com/AlexxIT/go2rtc/pkg/mp4"
-	"github.com/AlexxIT/go2rtc/pkg/streamer"
-)
-
-const MsgTypeMSE = "mse" // fMP4
-
-const packetSize = 8192
-
-func handlerWS(ctx *api.Context, msg *streamer.Message) {
-	src := ctx.Request.URL.Query().Get("src")
-	stream := streams.GetOrNew(src)
-	if stream == nil {
-		return
-	}
-
-	cons := &mp4.Consumer{}
-	cons.UserAgent = ctx.Request.UserAgent()
-	cons.RemoteAddr = ctx.Request.RemoteAddr
-
-	cons.Listen(func(msg interface{}) {
-		if data, ok := msg.([]byte); ok {
-			for len(data) > packetSize {
-				ctx.Write(data[:packetSize])
-				data = data[packetSize:]
-			}
-			ctx.Write(data)
-		}
-	})
-
-	if err := stream.AddConsumer(cons); err != nil {
-		log.Warn().Err(err).Caller().Send()
-		ctx.Error(err)
-		return
-	}
-
-	ctx.OnClose(func() {
-		stream.RemoveConsumer(cons)
-	})
-
-	ctx.Write(&streamer.Message{Type: MsgTypeMSE, Value: cons.MimeType()})
-
-	data, err := cons.Init()
-	if err != nil {
-		log.Warn().Err(err).Caller().Send()
-		ctx.Error(err)
-		return
-	}
-
-	ctx.Write(data)
-
-	cons.Start()
-}

cmd/rtmp/rtmp.go

@@ -1,21 +0,0 @@
-package rtmp
-
-import (
-	"github.com/AlexxIT/go2rtc/cmd/streams"
-	"github.com/AlexxIT/go2rtc/pkg/rtmp"
-	"github.com/AlexxIT/go2rtc/pkg/streamer"
-)
-
-func Init() {
-	streams.HandleFunc("rtmp", handle)
-	streams.HandleFunc("http", handle)
-	streams.HandleFunc("https", handle)
-}
-
-func handle(url string) (streamer.Producer, error) {
-	conn := rtmp.NewClient(url)
-	if err := conn.Dial(); err != nil {
-		return nil, err
-	}
-	return conn, nil
-}

cmd/srtp/srtp.go

@@ -1,45 +0,0 @@
-package srtp
-
-import (
-	"github.com/AlexxIT/go2rtc/cmd/app"
-	"github.com/AlexxIT/go2rtc/pkg/srtp"
-	"net"
-)
-
-func Init() {
-	var cfg struct {
-		Mod struct {
-			Listen string `yaml:"listen"`
-		} `yaml:"srtp"`
-	}
-
-	// default config
-	cfg.Mod.Listen = ":8443"
-
-	// load config from YAML
-	app.LoadConfig(&cfg)
-
-	if cfg.Mod.Listen == "" {
-		return
-	}
-
-	log := app.GetLogger("srtp")
-
-	// create SRTP server (endpoint) for receiving video from HomeKit camera
-	conn, err := net.ListenPacket("udp", cfg.Mod.Listen)
-	if err != nil {
-		log.Warn().Err(err).Caller().Send()
-	}
-
-	log.Info().Str("addr", cfg.Mod.Listen).Msg("[srtp] listen")
-
-	// run server
-	go func() {
-		Server = &srtp.Server{}
-		if err = Server.Serve(conn); err != nil {
-			log.Warn().Err(err).Caller().Send()
-		}
-	}()
-}
-
-var Server *srtp.Server

cmd/streams/handlers.go

@@ -1,41 +0,0 @@
-package streams
-
-import (
-	"fmt"
-	"github.com/AlexxIT/go2rtc/pkg/streamer"
-	"strings"
-	"sync"
-)
-
-type Handler func(url string) (streamer.Producer, error)
-
-var handlers = map[string]Handler{}
-var handlersMu sync.Mutex
-
-func HandleFunc(scheme string, handler Handler) {
-	handlersMu.Lock()
-	handlers[scheme] = handler
-	handlersMu.Unlock()
-}
-
-func getHandler(url string) Handler {
-	i := strings.IndexByte(url, ':')
-	if i <= 0 { // TODO: i < 4 ?
-		return nil
-	}
-	handlersMu.Lock()
-	defer handlersMu.Unlock()
-	return handlers[url[:i]]
-}
-
-func HasProducer(url string) bool {
-	return getHandler(url) != nil
-}
-
-func GetProducer(url string) (streamer.Producer, error) {
-	handler := getHandler(url)
-	if handler == nil {
-		return nil, fmt.Errorf("unsupported scheme: %s", url)
-	}
-	return handler(url)
-}

cmd/streams/producer.go

@@ -1,185 +0,0 @@
-package streams
-
-import (
-	"github.com/AlexxIT/go2rtc/pkg/streamer"
-	"strings"
-	"sync"
-	"time"
-)
-
-type state byte
-
-const (
-	stateNone state = iota
-	stateMedias
-	stateTracks
-	stateStart
-	stateExternal
-)
-
-type Producer struct {
-	streamer.Element
-
-	url      string
-	template string
-
-	element streamer.Producer
-	tracks  []*streamer.Track
-
-	state   state
-	mu      sync.Mutex
-	restart *time.Timer
-}
-
-func (p *Producer) SetSource(s string) {
-	if p.template == "" {
-		p.template = p.url
-	}
-	p.url = strings.Replace(p.template, "{input}", s, 1)
-}
-
-func (p *Producer) GetMedias() []*streamer.Media {
-	p.mu.Lock()
-	defer p.mu.Unlock()
-
-	if p.state == stateNone {
-		log.Debug().Msgf("[streams] probe producer url=%s", p.url)
-
-		var err error
-		p.element, err = GetProducer(p.url)
-		if err != nil || p.element == nil {
-			log.Error().Err(err).Caller().Send()
-			return nil
-		}
-
-		p.state = stateMedias
-	}
-
-	return p.element.GetMedias()
-}
-
-func (p *Producer) GetTrack(media *streamer.Media, codec *streamer.Codec) *streamer.Track {
-	p.mu.Lock()
-	defer p.mu.Unlock()
-
-	if p.state == stateNone {
-		return nil
-	}
-
-	for _, track := range p.tracks {
-		if track.Codec == codec {
-			return track
-		}
-	}
-
-	track := p.element.GetTrack(media, codec)
-	if track == nil {
-		return nil
-	}
-
-	p.tracks = append(p.tracks, track)
-
-	if p.state == stateMedias {
-		p.state = stateTracks
-	}
-
-	return track
-}
-
-// internals
-
-func (p *Producer) start() {
-	p.mu.Lock()
-	defer p.mu.Unlock()
-
-	if p.state != stateTracks {
-		return
-	}
-
-	log.Debug().Msgf("[streams] start producer url=%s", p.url)
-
-	p.state = stateStart
-	go func() {
-		// safe read element while mu locked
-		if err := p.element.Start(); err != nil {
-			log.Warn().Err(err).Caller().Send()
-		}
-		p.reconnect()
-	}()
-}
-
-func (p *Producer) reconnect() {
-	p.mu.Lock()
-	defer p.mu.Unlock()
-
-	if p.state != stateStart {
-		log.Trace().Msgf("[streams] stop reconnect url=%s", p.url)
-		return
-	}
-
-	log.Debug().Msgf("[streams] reconnect to url=%s", p.url)
-
-	var err error
-	p.element, err = GetProducer(p.url)
-	if err != nil || p.element == nil {
-		log.Debug().Err(err).Caller().Send()
-		// TODO: dynamic timeout
-		p.restart = time.AfterFunc(30*time.Second, p.reconnect)
-		return
-	}
-
-	medias := p.element.GetMedias()
-
-	// convert all old producer tracks to new tracks
-	for i, oldTrack := range p.tracks {
-		// match new element medias with old track codec
-		for _, media := range medias {
-			codec := media.MatchCodec(oldTrack.Codec)
-			if codec == nil {
-				continue
-			}
-
-			// move sink from old track to new track
-			newTrack := p.element.GetTrack(media, codec)
-			newTrack.GetSink(oldTrack)
-			p.tracks[i] = newTrack
-
-			break
-		}
-	}
-
-	go func() {
-		if err = p.element.Start(); err != nil {
-			log.Debug().Err(err).Caller().Send()
-		}
-		p.reconnect()
-	}()
-}
-
-func (p *Producer) stop() {
-	p.mu.Lock()
-	defer p.mu.Unlock()
-
-	switch p.state {
-	case stateExternal:
-		log.Debug().Msgf("[streams] can't stop external producer")
-		return
-	case stateNone:
-		log.Debug().Msgf("[streams] can't stop none producer")
-		return
-	}
-
-	log.Debug().Msgf("[streams] stop producer url=%s", p.url)
-
-	if p.element != nil {
-		_ = p.element.Stop()
-		p.element = nil
-	}
-	if p.restart != nil {
-		p.restart.Stop()
-		p.restart = nil
-	}
-
-	p.state = stateNone
-	p.tracks = nil
-}

cmd/streams/stream.go

@@ -1,218 +0,0 @@
-package streams
-
-import (
-	"encoding/json"
-	"errors"
-	"github.com/AlexxIT/go2rtc/pkg/streamer"
-	"sync"
-)
-
-type Consumer struct {
-	element streamer.Consumer
-	tracks  []*streamer.Track
-}
-
-type Stream struct {
-	producers []*Producer
-	consumers []*Consumer
-	mu        sync.Mutex
-}
-
-func NewStream(source interface{}) *Stream {
-	switch source := source.(type) {
-	case string:
-		s := new(Stream)
-		prod := &Producer{url: source}
-		s.producers = append(s.producers, prod)
-		return s
-	case []interface{}:
-		s := new(Stream)
-		for _, source := range source {
-			prod := &Producer{url: source.(string)}
-			s.producers = append(s.producers, prod)
-		}
-		return s
-	case *Stream:
-		return source
-	case map[string]interface{}:
-		return NewStream(source["url"])
-	case nil:
-		return new(Stream)
-	default:
-		panic("wrong source type")
-	}
-}
-
-func (s *Stream) SetSource(source string) {
-	for _, prod := range s.producers {
-		prod.SetSource(source)
-	}
-}
-
-func (s *Stream) AddConsumer(cons streamer.Consumer) (err error) {
-	ic := len(s.consumers)
-
-	consumer := &Consumer{element: cons}
-	var producers []*Producer // matched producers for consumer
-
-	// Step 1. Get consumer medias
-	for icc, consMedia := range cons.GetMedias() {
-		log.Trace().Stringer("media", consMedia).
-			Msgf("[streams] consumer=%d candidate=%d", ic, icc)
-
-	producers:
-		for ip, prod := range s.producers {
-			// Step 2. Get producer medias (not tracks yet)
-			for ipc, prodMedia := range prod.GetMedias() {
-				log.Trace().Stringer("media", prodMedia).
-					Msgf("[streams] producer=%d candidate=%d", ip, ipc)
-
-				// Step 3. Match consumer/producer codecs list
-				prodCodec := prodMedia.MatchMedia(consMedia)
-				if prodCodec != nil {
-					log.Trace().Stringer("codec", prodCodec).
-						Msgf("[streams] match producer:%d:%d => consumer:%d:%d", ip, ipc, ic, icc)
-
-					// Step 4. Get producer track
-					prodTrack := prod.GetTrack(prodMedia, prodCodec)
-					if prodTrack == nil {
-						log.Warn().Msg("[stream] can't get track")
-						continue
-					}
-
-					// Step 5. Add track to consumer and get new track
-					consTrack := consumer.element.AddTrack(consMedia, prodTrack)
-
-					consumer.tracks = append(consumer.tracks, consTrack)
-					producers = append(producers, prod)
-					break producers
-				}
-			}
-		}
-	}
-
-	if len(producers) == 0 {
-		s.stopProducers()
-		return errors.New("couldn't find the matching tracks")
-	}
-
-	s.mu.Lock()
-	s.consumers = append(s.consumers, consumer)
-	s.mu.Unlock()
-
-	// there may be duplicates, but that's not a problem
-	for _, prod := range producers {
-		prod.start()
-	}
-
-	return nil
-}
-
-func (s *Stream) RemoveConsumer(cons streamer.Consumer) {
-	s.mu.Lock()
-	for i, consumer := range s.consumers {
-		if consumer.element == cons {
-			// remove consumer pads from all producers
-			for _, track := range consumer.tracks {
-				track.Unbind()
-			}
-			// remove consumer from slice
-			s.removeConsumer(i)
-			break
-		}
-	}
-	s.mu.Unlock()
-
-	s.stopProducers()
-}
-
-func (s *Stream) AddProducer(prod streamer.Producer) {
-	producer := &Producer{element: prod, state: stateExternal}
-	s.mu.Lock()
-	s.producers = append(s.producers, producer)
-	s.mu.Unlock()
-}
-
-func (s *Stream) RemoveProducer(prod streamer.Producer) {
-	s.mu.Lock()
-	for i, producer := range s.producers {
-		if producer.element == prod {
-			s.removeProducer(i)
-			break
-		}
-	}
-	s.mu.Unlock()
-}
-
-func (s *Stream) stopProducers() {
-	s.mu.Lock()
-producers:
-	for _, producer := range s.producers {
-		for _, track := range producer.tracks {
-			if track.HasSink() {
-				continue producers
-			}
-		}
-		producer.stop()
-	}
-	s.mu.Unlock()
-}
-
-//func (s *Stream) Active() bool {
-//	if len(s.consumers) > 0 {
-//		return true
-//	}
-//
-//	for _, prod := range s.producers {
-//		if prod.element != nil {
-//			return true
-//		}
-//	}
-//
-//	return false
-//}
-
-func (s *Stream) MarshalJSON() ([]byte, error) {
-	var v []interface{}
-	s.mu.Lock()
-	for _, prod := range s.producers {
-		if prod.element != nil {
-			v = append(v, prod.element)
-		}
-	}
-	for _, cons := range s.consumers {
-		// cons.element always not nil
-		v = append(v, cons.element)
-	}
-	s.mu.Unlock()
-	if len(v) == 0 {
-		v = nil
-	}
-	return json.Marshal(v)
-}
-
-func (s *Stream) removeConsumer(i int) {
-	switch {
-	case len(s.consumers) == 1: // only one element
-		s.consumers = nil
-	case i == 0: // first element
-		s.consumers = s.consumers[1:]
-	case i == len(s.consumers)-1: // last element
-		s.consumers = s.consumers[:i]
-	default: // middle element
-		s.consumers = append(s.consumers[:i], s.consumers[i+1:]...)
-	}
-}
-
-func (s *Stream) removeProducer(i int) {
-	switch {
-	case len(s.producers) == 1: // only one element
-		s.producers = nil
-	case i == 0: // first element
-		s.producers = s.producers[1:]
-	case i == len(s.producers)-1: // last element
-		s.producers = s.producers[:i]
-	default: // middle element
-		s.producers = append(s.producers[:i], s.producers[i+1:]...)
-	}
-}

cmd/streams/stream_test.go

@@ -1,135 +0,0 @@
-package streams
-
-import (
-	"github.com/AlexxIT/go2rtc/pkg/fake"
-	"github.com/AlexxIT/go2rtc/pkg/rtsp"
-	"github.com/AlexxIT/go2rtc/pkg/streamer"
-	"github.com/stretchr/testify/assert"
-	"testing"
-	"time"
-)
-
-// Google Chrome 104.0.5112.79
-const chrome = `v=0
-o=- 0 0 IN IP4 0.0.0.0
-s=-
-t=0 0
-m=audio 9 UDP/TLS/RTP/SAVPF 111 63 103 104 9 0 8 110 112 113 126
-a=sendrecv
-a=rtpmap:111 opus/48000/2
-a=rtpmap:63 red/48000/2
-a=rtpmap:103 ISAC/16000
-a=rtpmap:104 ISAC/32000
-a=rtpmap:9 G722/8000
-a=rtpmap:0 PCMU/8000
-a=rtpmap:8 PCMA/8000
-a=rtpmap:110 telephone-event/48000
-a=rtpmap:112 telephone-event/32000
-a=rtpmap:113 telephone-event/16000
-a=rtpmap:126 telephone-event/8000
-m=video 9 UDP/TLS/RTP/SAVPF 96 97 98 99 100 101 102 122 127 121 125 107 108 109 124 120 123 119 35 36 37 38 39 40 41 42 114 115 116 117 118 43
-a=recvonly
-a=rtpmap:96 VP8/90000
-a=rtpmap:97 rtx/90000
-a=rtpmap:98 VP9/90000
-a=rtpmap:99 rtx/90000
-a=rtpmap:100 VP9/90000
-a=rtpmap:101 rtx/90000
-a=rtpmap:102 VP9/90000
-a=rtpmap:122 rtx/90000
-a=rtpmap:127 H264/90000
-a=fmtp:127 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42001f
-a=rtpmap:121 rtx/90000
-a=rtpmap:125 H264/90000
-a=fmtp:125 level-asymmetry-allowed=1;packetization-mode=0;profile-level-id=42001f
-a=rtpmap:107 rtx/90000
-a=rtpmap:108 H264/90000
-a=fmtp:108 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42e01f
-a=rtpmap:109 rtx/90000
-a=rtpmap:124 H264/90000
-a=fmtp:124 level-asymmetry-allowed=1;packetization-mode=0;profile-level-id=42e01f
-a=rtpmap:120 rtx/90000
-a=rtpmap:123 H264/90000
-a=fmtp:123 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=4d001f
-a=rtpmap:119 rtx/90000
-a=rtpmap:35 H264/90000
-a=fmtp:35 level-asymmetry-allowed=1;packetization-mode=0;profile-level-id=4d001f
-a=rtpmap:36 rtx/90000
-a=rtpmap:37 H264/90000
-a=fmtp:37 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=f4001f
-a=rtpmap:38 rtx/90000
-a=rtpmap:39 H264/90000
-a=fmtp:39 level-asymmetry-allowed=1;packetization-mode=0;profile-level-id=f4001f
-a=rtpmap:40 rtx/90000
-a=rtpmap:41 AV1/90000
-a=rtpmap:42 rtx/90000
-a=rtpmap:114 H264/90000
-a=fmtp:114 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=64001f
-a=rtpmap:115 rtx/90000
-a=rtpmap:116 red/90000
-a=rtpmap:117 rtx/90000
-a=rtpmap:118 ulpfec/90000
-a=rtpmap:43 flexfec-03/90000
-`
-
-const dahuaSimple = `v=0
-o=- 0 0 IN IP4 0.0.0.0
-s=-
-t=0 0
-m=video 0 RTP/AVP 96
-a=control:trackID=0
-a=rtpmap:96 H264/90000
-a=fmtp:96 packetization-mode=1;profile-level-id=42401E;sprop-parameter-sets=Z0JAHqaAoD2QAA==,aM48gAA=
-a=recvonly
-m=audio 0 RTP/AVP 97
-a=control:trackID=1
-a=rtpmap:97 MPEG4-GENERIC/16000
-a=fmtp:97 streamtype=5;profile-level-id=1;mode=AAC-hbr;sizelength=13;indexlength=3;indexdeltalength=3;config=1408
-a=recvonly
-m=audio 0 RTP/AVP 8
-a=control:trackID=5
-a=rtpmap:8 PCMA/8000
-a=sendonly
-`
-
-const ffmpegPCMU48000 = `v=0
-o=- 0 0 IN IP4 127.0.0.1
-s=-
-t=0 0
-m=audio 0 RTP/AVP 96
-b=AS:384
-a=rtpmap:96 PCMU/48000/1
-a=control:streamid=0
-`
-
-func TestRouting(t *testing.T) {
-	prod := &fake.Producer{}
-	prod.Medias, _ = rtsp.UnmarshalSDP([]byte(dahuaSimple))
-	assert.Len(t, prod.Medias, 3)
-
-	HandleFunc("fake", func(url string) (streamer.Producer, error) {
-		return prod, nil
-	})
-
-	cons := &fake.Consumer{}
-	cons.Medias, _ = streamer.UnmarshalSDP([]byte(chrome))
-	assert.Len(t, cons.Medias, 3)
-
-	// setup stream with one producer
-	stream := NewStream("fake:")
-
-	// main check:
-	err := stream.AddConsumer(cons)
-	assert.Nil(t, err)
-
-	assert.Len(t, prod.Tracks, 2)
-	assert.Len(t, cons.Tracks, 2)
-
-	time.Sleep(time.Second)
-
-	assert.Greater(t, prod.SendPackets,0)
-	assert.Greater(t, cons.RecvPackets,0)
-
-	assert.Greater(t, prod.RecvPackets,0)
-	assert.Greater(t, cons.SendPackets,0)
-}

cmd/streams/streams.go

@@ -1,67 +0,0 @@
-package streams
-
-import (
-	"github.com/AlexxIT/go2rtc/cmd/app"
-	"github.com/AlexxIT/go2rtc/cmd/app/store"
-	"github.com/rs/zerolog"
-)
-
-func Init() {
-	var cfg struct {
-		Mod map[string]interface{} `yaml:"streams"`
-	}
-
-	app.LoadConfig(&cfg)
-
-	log = app.GetLogger("streams")
-
-	for name, item := range cfg.Mod {
-		streams[name] = NewStream(item)
-	}
-
-	for name, item := range store.GetDict("streams") {
-		streams[name] = NewStream(item)
-	}
-}
-
-func Get(name string) *Stream {
-	return streams[name]
-}
-
-func New(name string, source interface{}) *Stream {
-	stream := NewStream(source)
-	streams[name] = stream
-	return stream
-}
-
-func GetOrNew(src string) *Stream {
-	if stream, ok := streams[src]; ok {
-		return stream
-	}
-
-	if !HasProducer(src) {
-		return nil
-	}
-
-	log.Info().Str("url", src).Msg("[streams] create new stream")
-
-	return New(src, src)
-}
-
-func Delete(name string) {
-	delete(streams, name)
-}
-
-func All() map[string]interface{} {
-	all := map[string]interface{}{}
-	for name, stream := range streams {
-		all[name] = stream
-		//if stream.Active() {
-		//	all[name] = stream
-		//}
-	}
-	return all
-}
-
-var log zerolog.Logger
-var streams = map[string]*Stream{}

cmd/webrtc/candidates.go

@@ -1,70 +0,0 @@
-package webrtc
-
-import (
-	"github.com/AlexxIT/go2rtc/cmd/api"
-	"github.com/AlexxIT/go2rtc/pkg/streamer"
-	"github.com/AlexxIT/go2rtc/pkg/webrtc"
-	"github.com/pion/sdp/v3"
-)
-
-var candidates []string
-
-func AddCandidate(address string) {
-	candidates = append(candidates, address)
-}
-
-func addCanditates(answer string) (string, error) {
-	if len(candidates) == 0 {
-		return answer, nil
-	}
-
-	sd := &sdp.SessionDescription{}
-	if err := sd.Unmarshal([]byte(answer)); err != nil {
-		return "", err
-	}
-
-	md := sd.MediaDescriptions[0]
-
-	_, end := md.Attribute("end-of-candidates")
-	if end {
-		md.Attributes = md.Attributes[:len(md.Attributes)-1]
-	}
-
-	for _, address := range candidates {
-		var err error
-		address, err = webrtc.LookupIP(address)
-		if err != nil {
-			log.Warn().Err(err).Msg("[webrtc] candidate")
-			continue
-		}
-
-		cand, err := webrtc.NewCandidate(address)
-		if err != nil {
-			log.Warn().Err(err).Msg("[webrtc] candidate")
-			continue
-		}
-
-		md.WithPropertyAttribute(cand)
-	}
-
-	if end {
-		md.WithPropertyAttribute("end-of-candidates")
-	}
-
-	data, err := sd.Marshal()
-	if err != nil {
-		return "", err
-	}
-
-	return string(data), nil
-}
-
-func candidateHandler(ctx *api.Context, msg *streamer.Message) {
-	if ctx.Consumer == nil {
-		return
-	}
-	if conn := ctx.Consumer.(*webrtc.Conn); conn != nil {
-		log.Trace().Str("candidate", msg.Value.(string)).Msg("[webrtc] remote")
-		conn.Push(msg)
-	}
-}

cmd/webrtc/webrtc.go

@@ -1,221 +0,0 @@
-package webrtc
-
-import (
-	"github.com/AlexxIT/go2rtc/cmd/api"
-	"github.com/AlexxIT/go2rtc/cmd/app"
-	"github.com/AlexxIT/go2rtc/cmd/streams"
-	"github.com/AlexxIT/go2rtc/pkg/streamer"
-	"github.com/AlexxIT/go2rtc/pkg/webrtc"
-	pion "github.com/pion/webrtc/v3"
-	"github.com/rs/zerolog"
-	"io/ioutil"
-	"net"
-	"net/http"
-)
-
-func Init() {
-	var cfg struct {
-		Mod struct {
-			Listen     string           `yaml:"listen"`
-			Candidates []string         `yaml:"candidates"`
-			IceServers []pion.ICEServer `yaml:"ice_servers"`
-		} `yaml:"webrtc"`
-	}
-
-	cfg.Mod.IceServers = []pion.ICEServer{
-		{URLs: []string{"stun:stun.l.google.com:19302"}},
-	}
-
-	app.LoadConfig(&cfg)
-
-	log = app.GetLogger("webrtc")
-
-	address := cfg.Mod.Listen
-	pionAPI, err := webrtc.NewAPI(address)
-	if pionAPI == nil {
-		log.Error().Err(err).Msg("[webrtc] init API")
-		return
-	}
-
-	if err != nil {
-		log.Warn().Err(err).Msg("[webrtc] listen")
-	} else if address != "" {
-		log.Info().Str("addr", address).Msg("[webrtc] listen")
-		_, Port, _ = net.SplitHostPort(address)
-	}
-
-	pionConf := pion.Configuration{
-		ICEServers:   cfg.Mod.IceServers,
-		SDPSemantics: pion.SDPSemanticsUnifiedPlanWithFallback,
-	}
-
-	NewPConn = func() (*pion.PeerConnection, error) {
-		return pionAPI.NewPeerConnection(pionConf)
-	}
-
-	candidates = cfg.Mod.Candidates
-
-	api.HandleWS(webrtc.MsgTypeOffer, offerHandler)
-	api.HandleWS(webrtc.MsgTypeCandidate, candidateHandler)
-
-	api.HandleFunc("api/webrtc", syncHandler)
-}
-
-var Port string
-var log zerolog.Logger
-
-var NewPConn func() (*pion.PeerConnection, error)
-
-func offerHandler(ctx *api.Context, msg *streamer.Message) {
-	src := ctx.Request.URL.Query().Get("src")
-	stream := streams.Get(src)
-	if stream == nil {
-		return
-	}
-
-	log.Debug().Str("url", src).Msg("[webrtc] new consumer")
-
-	var err error
-
-	// create new webrtc instance
-	conn := new(webrtc.Conn)
-	conn.Conn, err = NewPConn()
-	if err != nil {
-		log.Error().Err(err).Msg("[webrtc] new conn")
-		return
-	}
-
-	conn.UserAgent = ctx.Request.UserAgent()
-	conn.Listen(func(msg interface{}) {
-		switch msg := msg.(type) {
-		case pion.PeerConnectionState:
-			if msg == pion.PeerConnectionStateClosed {
-				stream.RemoveConsumer(conn)
-			}
-		case *streamer.Message:
-			// subscribe on webrtc server candidates
-			log.Trace().Str("candidate", msg.Value.(string)).Msg("[webrtc] local")
-			ctx.Write(msg)
-		}
-	})
-
-	// 1. SetOffer, so we can get remote client codecs
-	offer := msg.Value.(string)
-	log.Trace().Msgf("[webrtc] offer:\n%s", offer)
-
-	if err = conn.SetOffer(offer); err != nil {
-		log.Warn().Err(err).Msg("[api.webrtc] set offer")
-		ctx.Error(err)
-		return
-	}
-
-	// 2. AddConsumer, so we get new tracks
-	if err = stream.AddConsumer(conn); err != nil {
-		log.Warn().Err(err).Msg("[api.webrtc] add consumer")
-		_ = conn.Conn.Close()
-		ctx.Error(err)
-		return
-	}
-
-	conn.Init()
-
-	// exchange sdp without waiting all candidates
-	//answer, err := conn.ExchangeSDP(offer, false)
-	//answer, err := conn.GetAnswer()
-	answer, err := conn.GetCompleteAnswer()
-	if err == nil {
-		answer, err = addCanditates(answer)
-	}
-	log.Trace().Msgf("[webrtc] answer\n%s", answer)
-
-	if err != nil {
-		log.Error().Err(err).Msg("[webrtc] get answer")
-		ctx.Error(err)
-		return
-	}
-
-	ctx.Write(&streamer.Message{
-		Type: webrtc.MsgTypeAnswer, Value: answer,
-	})
-
-	ctx.Consumer = conn
-}
-
-func syncHandler(w http.ResponseWriter, r *http.Request) {
-	url := r.URL.Query().Get("src")
-	stream := streams.Get(url)
-	if stream == nil {
-		return
-	}
-
-	// get offer
-	offer, err := ioutil.ReadAll(r.Body)
-	if err != nil {
-		log.Error().Err(err).Caller().Send()
-		return
-	}
-
-	answer, err := ExchangeSDP(stream, string(offer), r.UserAgent())
-	if err != nil {
-		log.Error().Err(err).Caller().Send()
-		return
-	}
-
-	// send SDP to client
-	if _, err = w.Write([]byte(answer)); err != nil {
-		log.Error().Err(err).Caller().Send()
-	}
-}
-
-func ExchangeSDP(
-	stream *streams.Stream, offer string, userAgent string,
-) (answer string, err error) {
-	// create new webrtc instance
-	conn := new(webrtc.Conn)
-	conn.Conn, err = NewPConn()
-	if err != nil {
-		log.Error().Err(err).Msg("[webrtc] new conn")
-		return
-	}
-
-	conn.UserAgent = userAgent
-	conn.Listen(func(msg interface{}) {
-		switch msg := msg.(type) {
-		case pion.PeerConnectionState:
-			if msg == pion.PeerConnectionStateClosed {
-				stream.RemoveConsumer(conn)
-			}
-		}
-	})
-
-	// 1. SetOffer, so we can get remote client codecs
-	log.Trace().Msgf("[webrtc] offer:\n%s", offer)
-
-	if err = conn.SetOffer(offer); err != nil {
-		log.Warn().Err(err).Msg("[api.webrtc] set offer")
-		return
-	}
-
-	// 2. AddConsumer, so we get new tracks
-	if err = stream.AddConsumer(conn); err != nil {
-		log.Warn().Err(err).Msg("[api.webrtc] add consumer")
-		_ = conn.Conn.Close()
-		return
-	}
-
-	conn.Init()
-
-	// exchange sdp without waiting all candidates
-	//answer, err := conn.ExchangeSDP(offer, false)
-	answer, err = conn.GetCompleteAnswer()
-	if err == nil {
-		answer, err = addCanditates(answer)
-	}
-	log.Trace().Msgf("[webrtc] answer\n%s", answer)
-
-	if err != nil {
-		log.Error().Err(err).Msg("[webrtc] get answer")
-	}
-
-	return
-}

examples/go2rtc_hass/main.go

@@ -0,0 +1,20 @@
+package main
+
+import (
+	"github.com/AlexxIT/go2rtc/internal/api"
+	"github.com/AlexxIT/go2rtc/internal/app"
+	"github.com/AlexxIT/go2rtc/internal/hass"
+	"github.com/AlexxIT/go2rtc/internal/streams"
+	"github.com/AlexxIT/go2rtc/pkg/shell"
+)
+
+func main() {
+	app.Init()
+	streams.Init()
+
+	api.Init()
+
+	hass.Init()
+
+	shell.RunUntilSignal()
+}

examples/go2rtc_rtsp/main.go

@@ -0,0 +1,17 @@
+package main
+
+import (
+	"github.com/AlexxIT/go2rtc/internal/app"
+	"github.com/AlexxIT/go2rtc/internal/rtsp"
+	"github.com/AlexxIT/go2rtc/internal/streams"
+	"github.com/AlexxIT/go2rtc/pkg/shell"
+)
+
+func main() {
+	app.Init()
+	streams.Init()
+
+	rtsp.Init()
+
+	shell.RunUntilSignal()
+}

examples/homekit_info/main.go

@@ -0,0 +1,123 @@
+package main
+
+import (
+	"encoding/json"
+	"os"
+
+	"github.com/AlexxIT/go2rtc/pkg/hap"
+)
+
+var servs = map[string]string{
+	"3E":  "Accessory Information",
+	"7E":  "Security System",
+	"85":  "Motion Sensor",
+	"96":  "Battery",
+	"A2":  "Protocol Information",
+	"110": "Camera RTP Stream Management",
+	"112": "Microphone",
+	"113": "Speaker",
+	"121": "Doorbell",
+	"129": "Data Stream Transport Management",
+	"204": "Camera Recording Management",
+	"21A": "Camera Operating Mode",
+	"22A": "Wi-Fi Transport",
+	"239": "Accessory Runtime Information",
+}
+
+var chars = map[string]string{
+	"14":  "Identify",
+	"20":  "Manufacturer",
+	"21":  "Model",
+	"23":  "Name",
+	"30":  "Serial Number",
+	"52":  "Firmware Revision",
+	"53":  "Hardware Revision",
+	"220": "Product Data",
+	"A6":  "Accessory Flags",
+
+	"22": "Motion Detected",
+	"75": "Status Active",
+
+	"11A": "Mute",
+	"119": "Volume",
+
+	"B0":  "Active",
+	"209": "Selected Camera Recording Configuration",
+	"207": "Supported Audio Recording Configuration",
+	"205": "Supported Camera Recording Configuration",
+	"206": "Supported Video Recording Configuration",
+	"226": "Recording Audio Active",
+
+	"223": "Event Snapshots Active",
+	"225": "Periodic Snapshots Active",
+	"21B": "HomeKit Camera Active",
+	"21C": "Third Party Camera Active",
+	"21D": "Camera Operating Mode Indicator",
+	"11B": "Night Vision",
+	"129": "Supported Data Stream Transport Configuration",
+	"37":  "Version",
+	"131": "Setup Data Stream Transport",
+	"130": "Supported Data Stream Transport Configuration",
+
+	"120": "Streaming Status",
+	"115": "Supported Audio Stream Configuration",
+	"116": "Supported RTP Configuration",
+	"114": "Supported Video Stream Configuration",
+	"117": "Selected RTP Stream Configuration",
+	"118": "Setup Endpoints",
+
+	"22B": "Current Transport",
+	"22C": "Wi-Fi Capabilities",
+	"22D": "Wi-Fi Configuration Control",
+
+	"23C": "Ping",
+
+	"68": "Battery Level",
+	"79": "Status Low Battery",
+	"8F": "Charging State",
+
+	"73":  "Programmable Switch Event",
+	"232": "Operating State Response",
+
+	"66": "Security System Current State",
+	"67": "Security System Target State",
+}
+
+func main() {
+	src := os.Args[1]
+	dst := os.Args[2]
+
+	f, err := os.Open(src)
+	if err != nil {
+		panic(err)
+	}
+
+	var v hap.JSONAccessories
+	if err = json.NewDecoder(f).Decode(&v); err != nil {
+		panic(err)
+	}
+
+	for _, acc := range v.Value {
+		for _, srv := range acc.Services {
+			if srv.Desc == "" {
+				srv.Desc = servs[srv.Type]
+			}
+			for _, chr := range srv.Characters {
+				if chr.Desc == "" {
+					chr.Desc = chars[chr.Type]
+				}
+			}
+		}
+	}
+
+	f, err = os.Create(dst)
+	if err != nil {
+		panic(err)
+	}
+
+	enc := json.NewEncoder(f)
+	enc.SetIndent("", "  ")
+	if err = enc.Encode(v); err != nil {
+		panic(err)
+	}
+}

examples/mdns/main.go

@@ -0,0 +1,39 @@
+package main
+
+import (
+	"log"
+	"os"
+
+	"github.com/AlexxIT/go2rtc/pkg/mdns"
+)
+
+func main() {
+	var service = mdns.ServiceHAP
+
+	if len(os.Args) >= 2 {
+		service = os.Args[1]
+	}
+
+	onentry := func(entry *mdns.ServiceEntry) bool {
+		log.Printf("name=%s, addr=%s, info=%s\n", entry.Name, entry.Addr(), entry.Info)
+		return false
+	}
+
+	var err error
+
+	if len(os.Args) >= 3 {
+		host := os.Args[2]
+
+		log.Printf("run discovery service=%s host=%s\n", service, host)
+
+		err = mdns.QueryOrDiscovery(host, service, onentry)
+	} else {
+		log.Printf("run discovery service=%s\n", service)
+
+		err = mdns.Discovery(service, onentry)
+	}
+
+	if err != nil {
+		log.Println(err)
+	}
+}

go.mod

@@ -1,59 +1,44 @@
 module github.com/AlexxIT/go2rtc
 
-go 1.17
+go 1.21
 
 require (
-	github.com/brutella/hap v0.0.17
-	github.com/deepch/vdk v0.0.19
 	github.com/gorilla/websocket v1.5.0
-	github.com/hashicorp/mdns v1.0.5
-	github.com/pion/ice/v2 v2.2.6
-	github.com/pion/interceptor v0.1.11
-	github.com/pion/rtcp v1.2.9
-	github.com/pion/rtp v1.7.13
-	github.com/pion/sdp/v3 v3.0.5
-	github.com/pion/srtp/v2 v2.0.10
-	github.com/pion/stun v0.3.5
-	github.com/pion/webrtc/v3 v3.1.43
-	github.com/rs/zerolog v1.27.0
-	github.com/stretchr/testify v1.7.1
+	github.com/miekg/dns v1.1.55
+	github.com/pion/ice/v2 v2.3.11
+	github.com/pion/interceptor v0.1.19
+	github.com/pion/rtcp v1.2.10
+	github.com/pion/rtp v1.8.1
+	github.com/pion/sdp/v3 v3.0.6
+	github.com/pion/srtp/v2 v2.0.17
+	github.com/pion/stun v0.6.1
+	github.com/pion/webrtc/v3 v3.2.19
+	github.com/rs/zerolog v1.30.0
+	github.com/sigurn/crc16 v0.0.0-20211026045750-20ab5afb07e3
+	github.com/sigurn/crc8 v0.0.0-20220107193325-2243fe600f9f
+	github.com/stretchr/testify v1.8.4
 	github.com/tadglines/go-pkgs v0.0.0-20210623144937-b983b20f54f9
+	golang.org/x/crypto v0.13.0
 	gopkg.in/yaml.v3 v3.0.1
 )
 
 require (
-	github.com/brutella/dnssd v1.2.3 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/go-chi/chi v1.5.4 // indirect
-	github.com/google/uuid v1.3.0 // indirect
-	github.com/mattn/go-colorable v0.1.12 // indirect
-	github.com/mattn/go-isatty v0.0.14 // indirect
-	github.com/miekg/dns v1.1.50 // indirect
-	github.com/pion/datachannel v1.5.2 // indirect
-	github.com/pion/dtls/v2 v2.1.5 // indirect
+	github.com/google/uuid v1.3.1 // indirect
+	github.com/kr/pretty v0.2.1 // indirect
+	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-isatty v0.0.19 // indirect
+	github.com/pion/datachannel v1.5.5 // indirect
+	github.com/pion/dtls/v2 v2.2.7 // indirect
 	github.com/pion/logging v0.2.2 // indirect
-	github.com/pion/mdns v0.0.5 // indirect
+	github.com/pion/mdns v0.0.9 // indirect
 	github.com/pion/randutil v0.1.0 // indirect
-	github.com/pion/sctp v1.8.2 // indirect
-	github.com/pion/transport v0.13.1 // indirect
-	github.com/pion/turn/v2 v2.0.8 // indirect
-	github.com/pion/udp v0.1.1 // indirect
+	github.com/pion/sctp v1.8.9 // indirect
+	github.com/pion/transport/v2 v2.2.4 // indirect
+	github.com/pion/turn/v2 v2.1.3 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	github.com/xiam/to v0.0.0-20200126224905-d60d31e03561 // indirect
-	golang.org/x/crypto v0.0.0-20220516162934-403b01795ae8 // indirect
-	golang.org/x/mod v0.4.2 // indirect
-	golang.org/x/net v0.0.0-20220630215102-69896b714898 // indirect
-	golang.org/x/sys v0.0.0-20220622161953-175b2fd9d664 // indirect
-	golang.org/x/text v0.3.7 // indirect
-	golang.org/x/tools v0.1.6-0.20210726203631-07bc1bf47fb2 // indirect
-	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
-)
-
-replace (
-	// windows support: https://github.com/brutella/dnssd/pull/35
-	github.com/brutella/dnssd v1.2.2 => github.com/rblenkinsopp/dnssd v1.2.3-0.20220516082132-0923f3c787a1
-	// RTP tlv8 fix
-	github.com/brutella/hap v0.0.17 => github.com/AlexxIT/hap v0.0.15-0.20221108133010-d8a45b7a7045
-	// fix reading AAC config bytes
-	github.com/deepch/vdk v0.0.19 => github.com/AlexxIT/vdk v0.0.18-0.20221108193131-6168555b4f92
+	golang.org/x/mod v0.12.0 // indirect
+	golang.org/x/net v0.15.0 // indirect
+	golang.org/x/sys v0.12.0 // indirect
+	golang.org/x/tools v0.13.0 // indirect
 )

go.sum

@@ -1,21 +1,11 @@
-github.com/AlexxIT/hap v0.0.15-0.20221108133010-d8a45b7a7045 h1:xJf3FxQJReJSDyYXJfI1NUWv8tUEAGNV9xigLqNtmrI=
-github.com/AlexxIT/hap v0.0.15-0.20221108133010-d8a45b7a7045/go.mod h1:QNA3sm16zE5uUyC8+E/gNkMvQWjqQLuxQKkU5PMi8N4=
-github.com/AlexxIT/vdk v0.0.18-0.20221108193131-6168555b4f92 h1:cIeYMGaAirSZnrKRDTb5VgZDDYqPLhYiczElMg4sQW0=
-github.com/AlexxIT/vdk v0.0.18-0.20221108193131-6168555b4f92/go.mod h1:7ydHfSkflMZxBXfWR79dMjrT54xzvLxnPaByOa9Jpzg=
-github.com/brutella/dnssd v1.2.3 h1:4fBLjZjPH7SbcHhEcIJhZcC9nOhIDZ0m3rn9bjl1/i0=
-github.com/brutella/dnssd v1.2.3/go.mod h1:JoW2sJUrmVIef25G6lrLj7HS6Xdwh6q8WUIvMkkBYXs=
-github.com/cheekybits/genny v1.0.0/go.mod h1:+tQajlRqAUrPI7DOSpB0XAqZYtQakVtB7wXkRAgjxjQ=
-github.com/coreos/go-systemd/v22 v22.3.3-0.20220203105225-a9a7ef127534/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
+github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
 github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
-github.com/go-chi/chi v1.5.4 h1:QHdzF2szwjqVV4wmByUnTcsbIg7UGaQ0tPF2t5GcAIs=
-github.com/go-chi/chi v1.5.4/go.mod h1:uaf8YgoFazUOkPBG7fxPftUylNumIev9awIWOENIuEg=
 github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0/go.mod h1:fyg7847qk6SyHyPtNmDHnmrv/HOrqktSC+C9fM+CJOE=
 github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
-github.com/golang/mock v1.2.0/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8=
 github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA=
@@ -29,205 +19,201 @@ github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMyw
 github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
-github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/google/uuid v1.3.1 h1:KjJaJ9iWZ3jOFZIf1Lqf4laDRCasjl0BCmnEGxkdLb4=
+github.com/google/uuid v1.3.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/gorilla/websocket v1.5.0 h1:PPwGk2jz7EePpoHN/+ClbZu8SPxiqlu12wZP/3sWmnc=
 github.com/gorilla/websocket v1.5.0/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
-github.com/hashicorp/mdns v1.0.5 h1:1M5hW1cunYeoXOqHwEb/GBDDHAFo0Yqb/uz/beC6LbE=
-github.com/hashicorp/mdns v1.0.5/go.mod h1:mtBihi+LeNXGtG8L9dX59gAEa12BDtBQSp4v/YAJqrc=
 github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
-github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
+github.com/kr/pretty v0.2.1 h1:Fmg33tUaq4/8ym9TJN1x7sLJnHVwhP33CNkpYV/7rwI=
+github.com/kr/pretty v0.2.1/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
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+golang.org/x/sys v0.8.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.9.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.10.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.11.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.12.0 h1:CM0HF96J0hcLAwsHPJZjfdNzs0gftsLfgKt57wWHJ0o=
+golang.org/x/sys v0.12.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
+golang.org/x/term v0.1.0/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
+golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
+golang.org/x/term v0.7.0/go.mod h1:P32HKFT3hSsZrRxla30E9HqToFYAQPCMs/zFMBUFqPY=
+golang.org/x/term v0.8.0/go.mod h1:xPskH00ivmX89bAKVGSKKtLOWNx2+17Eiy94tnKShWo=
+golang.org/x/term v0.9.0/go.mod h1:M6DEAAIenWoTxdKrOltXcmDY3rSplQUkrvaDU5FcQyo=
+golang.org/x/term v0.10.0/go.mod h1:lpqdcUyK/oCiQxvxVrppt5ggO2KCZ5QblwqPnfZ6d5o=
+golang.org/x/term v0.11.0/go.mod h1:zC9APTIj3jG3FdV/Ons+XE1riIZXG4aZ4GTHiPZJPIU=
+golang.org/x/term v0.12.0/go.mod h1:owVbMEjm3cBLCHdkQu9b1opXd4ETQWc3BhuQGKgXgvU=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.3.7 h1:olpwvP2KacW1ZWvsR7uQhoyTYvKAupfQrRGBFM352Gk=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
+golang.org/x/text v0.4.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
+golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
+golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
+golang.org/x/text v0.10.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
+golang.org/x/text v0.11.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
+golang.org/x/text v0.12.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
+golang.org/x/text v0.13.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20201224043029-2b0845dc783e/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
-golang.org/x/tools v0.1.6-0.20210726203631-07bc1bf47fb2 h1:BonxutuHCTL0rBDnZlKjpGIQFTjyUVTexFOdWkB6Fg0=
-golang.org/x/tools v0.1.6-0.20210726203631-07bc1bf47fb2/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
+golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
+golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
+golang.org/x/tools v0.13.0 h1:Iey4qkscZuv0VvIt8E0neZjtPVQFSc870HQ448QgEmQ=
+golang.org/x/tools v0.13.0/go.mod h1:HvlwmtVNQAhOuCjW7xxvovg8wbNq7LwfXh/k7wXUl58=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
@@ -242,10 +228,8 @@ gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogR
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
-gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

hardware.Dockerfile

@@ -0,0 +1,66 @@
+# syntax=docker/dockerfile:labs
+
+# 0. Prepare images
+# only debian 12 (bookworm) has latest ffmpeg
+ARG DEBIAN_VERSION="bookworm-slim"
+ARG GO_VERSION="1.21-bookworm"
+ARG NGROK_VERSION="3"
+
+FROM debian:${DEBIAN_VERSION} AS base
+FROM golang:${GO_VERSION} AS go
+FROM ngrok/ngrok:${NGROK_VERSION} AS ngrok
+
+
+# 1. Build go2rtc binary
+FROM --platform=$BUILDPLATFORM go AS build
+ARG TARGETPLATFORM
+ARG TARGETOS
+ARG TARGETARCH
+
+ENV GOOS=${TARGETOS}
+ENV GOARCH=${TARGETARCH}
+
+WORKDIR /build
+
+# Cache dependencies
+COPY go.mod go.sum ./
+RUN --mount=type=cache,target=/root/.cache/go-build go mod download
+
+COPY . .
+RUN --mount=type=cache,target=/root/.cache/go-build CGO_ENABLED=0 go build -ldflags "-s -w" -trimpath
+
+
+# 2. Collect all files
+FROM scratch AS rootfs
+
+COPY --link --from=build /build/go2rtc /usr/local/bin/
+COPY --link --from=ngrok /bin/ngrok /usr/local/bin/
+
+# 3. Final image
+FROM base
+# Prepare apt for buildkit cache
+RUN rm -f /etc/apt/apt.conf.d/docker-clean \
+  && echo 'Binary::apt::APT::Keep-Downloaded-Packages "true";' >/etc/apt/apt.conf.d/keep-cache
+# Install ffmpeg, bash (for run.sh), tini (for signal handling),
+# and other common tools for the echo source.
+# non-free for Intel QSV support (not used by go2rtc, just for tests)
+# libasound2-plugins for ALSA support
+RUN --mount=type=cache,target=/var/cache/apt,sharing=locked --mount=type=cache,target=/var/lib/apt,sharing=locked \
+    echo 'deb http://deb.debian.org/debian bookworm non-free' > /etc/apt/sources.list.d/debian-non-free.list && \
+    apt-get -y update && apt-get -y install tini ffmpeg \
+        python3 curl jq \
+        intel-media-va-driver-non-free \
+        libasound2-plugins
+
+COPY --link --from=rootfs / /
+
+
+
+ENTRYPOINT ["/usr/bin/tini", "--"]
+VOLUME /config
+WORKDIR /config
+# https://github.com/NVIDIA/nvidia-docker/wiki/Installation-(Native-GPU-Support)
+ENV NVIDIA_VISIBLE_DEVICES all
+ENV NVIDIA_DRIVER_CAPABILITIES compute,video,utility
+
+CMD ["go2rtc", "-config", "/config/go2rtc.yaml"]

internal/api/README.md

@@ -0,0 +1,4 @@
+## Exit codes
+
+- https://tldp.org/LDP/abs/html/exitcodes.html
+- https://komodor.com/learn/exit-codes-in-containers-and-kubernetes-the-complete-guide/

internal/api/api.go

@@ -0,0 +1,269 @@
+package api
+
+import (
+	"crypto/tls"
+	"encoding/json"
+	"fmt"
+	"net"
+	"net/http"
+	"os"
+	"strconv"
+	"strings"
+	"sync"
+
+	"github.com/AlexxIT/go2rtc/internal/app"
+	"github.com/AlexxIT/go2rtc/pkg/shell"
+	"github.com/rs/zerolog"
+)
+
+func Init() {
+	var cfg struct {
+		Mod struct {
+			Listen    string `yaml:"listen"`
+			Username  string `yaml:"username"`
+			Password  string `yaml:"password"`
+			BasePath  string `yaml:"base_path"`
+			StaticDir string `yaml:"static_dir"`
+			Origin    string `yaml:"origin"`
+			TLSListen string `yaml:"tls_listen"`
+			TLSCert   string `yaml:"tls_cert"`
+			TLSKey    string `yaml:"tls_key"`
+		} `yaml:"api"`
+	}
+
+	// default config
+	cfg.Mod.Listen = "0.0.0.0:1984"
+
+	// load config from YAML
+	app.LoadConfig(&cfg)
+
+	if cfg.Mod.Listen == "" {
+		return
+	}
+
+	basePath = cfg.Mod.BasePath
+	log = app.GetLogger("api")
+
+	initStatic(cfg.Mod.StaticDir)
+
+	HandleFunc("api", apiHandler)
+	HandleFunc("api/config", configHandler)
+	HandleFunc("api/exit", exitHandler)
+	HandleFunc("api/restart", restartHandler)
+
+	// ensure we can listen without errors
+	var err error
+	ln, err = net.Listen("tcp", cfg.Mod.Listen)
+	if err != nil {
+		log.Fatal().Err(err).Msg("[api] listen")
+		return
+	}
+
+	log.Info().Str("addr", cfg.Mod.Listen).Msg("[api] listen")
+
+	Handler = http.DefaultServeMux // 4th
+
+	if cfg.Mod.Origin == "*" {
+		Handler = middlewareCORS(Handler) // 3rd
+	}
+
+	if cfg.Mod.Username != "" {
+		Handler = middlewareAuth(cfg.Mod.Username, cfg.Mod.Password, Handler) // 2nd
+	}
+
+	if log.Trace().Enabled() {
+		Handler = middlewareLog(Handler) // 1st
+	}
+
+	go func() {
+		s := http.Server{}
+		s.Handler = Handler
+		if err = s.Serve(ln); err != nil {
+			log.Fatal().Err(err).Msg("[api] serve")
+		}
+	}()
+
+	// Initialize the HTTPS server
+	if cfg.Mod.TLSListen != "" && cfg.Mod.TLSCert != "" && cfg.Mod.TLSKey != "" {
+		var cert tls.Certificate
+		if strings.IndexByte(cfg.Mod.TLSCert, '\n') < 0 && strings.IndexByte(cfg.Mod.TLSKey, '\n') < 0 {
+			// check if file path
+			cert, err = tls.LoadX509KeyPair(cfg.Mod.TLSCert, cfg.Mod.TLSKey)
+		} else {
+			// if text file content
+			cert, err = tls.X509KeyPair([]byte(cfg.Mod.TLSCert), []byte(cfg.Mod.TLSKey))
+		}
+		if err != nil {
+			log.Error().Err(err).Caller().Send()
+			return
+		}
+
+		tlsListener, err := net.Listen("tcp", cfg.Mod.TLSListen)
+		if err != nil {
+			log.Fatal().Err(err).Caller().Send()
+			return
+		}
+
+		log.Info().Str("addr", cfg.Mod.TLSListen).Msg("[api] tls listen")
+
+		tlsServer := &http.Server{
+			Handler: Handler,
+			TLSConfig: &tls.Config{
+				Certificates: []tls.Certificate{cert},
+			},
+		}
+
+		go func() {
+			if err := tlsServer.ServeTLS(tlsListener, "", ""); err != nil {
+				log.Fatal().Err(err).Msg("[api] tls serve")
+			}
+		}()
+	}
+}
+
+func Port() int {
+	if ln == nil {
+		return 0
+	}
+	return ln.Addr().(*net.TCPAddr).Port
+}
+
+const (
+	MimeJSON = "application/json"
+	MimeText = "text/plain"
+)
+
+var Handler http.Handler
+
+// HandleFunc handle pattern with relative path:
+// - "api/streams" => "{basepath}/api/streams"
+// - "/streams"    => "/streams"
+func HandleFunc(pattern string, handler http.HandlerFunc) {
+	if len(pattern) == 0 || pattern[0] != '/' {
+		pattern = basePath + "/" + pattern
+	}
+	log.Trace().Str("path", pattern).Msg("[api] register path")
+	http.HandleFunc(pattern, handler)
+}
+
+// ResponseJSON important always add Content-Type
+// so go won't need to call http.DetectContentType
+func ResponseJSON(w http.ResponseWriter, v any) {
+	w.Header().Set("Content-Type", MimeJSON)
+	_ = json.NewEncoder(w).Encode(v)
+}
+
+func ResponsePrettyJSON(w http.ResponseWriter, v any) {
+	w.Header().Set("Content-Type", MimeJSON)
+	enc := json.NewEncoder(w)
+	enc.SetIndent("", "  ")
+	_ = enc.Encode(v)
+}
+
+func Response(w http.ResponseWriter, body any, contentType string) {
+	w.Header().Set("Content-Type", contentType)
+
+	switch v := body.(type) {
+	case []byte:
+		_, _ = w.Write(v)
+	case string:
+		_, _ = w.Write([]byte(v))
+	default:
+		_, _ = fmt.Fprint(w, body)
+	}
+}
+
+const StreamNotFound = "stream not found"
+
+var basePath string
+var log zerolog.Logger
+
+func middlewareLog(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		log.Trace().Msgf("[api] %s %s %s", r.Method, r.URL, r.RemoteAddr)
+		next.ServeHTTP(w, r)
+	})
+}
+
+func middlewareAuth(username, password string, next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if !strings.HasPrefix(r.RemoteAddr, "127.") && !strings.HasPrefix(r.RemoteAddr, "[::1]") {
+			user, pass, ok := r.BasicAuth()
+			if !ok || user != username || pass != password {
+				w.Header().Set("Www-Authenticate", `Basic realm="go2rtc"`)
+				http.Error(w, "Unauthorized", http.StatusUnauthorized)
+				return
+			}
+		}
+
+		next.ServeHTTP(w, r)
+	})
+}
+
+func middlewareCORS(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Access-Control-Allow-Origin", "*")
+		w.Header().Set("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS")
+		w.Header().Set("Access-Control-Allow-Headers", "Authorization")
+		next.ServeHTTP(w, r)
+	})
+}
+
+var ln net.Listener
+var mu sync.Mutex
+
+func apiHandler(w http.ResponseWriter, r *http.Request) {
+	mu.Lock()
+	app.Info["host"] = r.Host
+	mu.Unlock()
+
+	ResponseJSON(w, app.Info)
+}
+
+func exitHandler(w http.ResponseWriter, r *http.Request) {
+	if r.Method != "POST" {
+		http.Error(w, "", http.StatusBadRequest)
+		return
+	}
+
+	s := r.URL.Query().Get("code")
+	code, _ := strconv.Atoi(s)
+	os.Exit(code)
+}
+
+func restartHandler(w http.ResponseWriter, r *http.Request) {
+	if r.Method != "POST" {
+		http.Error(w, "", http.StatusBadRequest)
+		return
+	}
+
+	go shell.Restart()
+}
+
+type Source struct {
+	ID       string `json:"id,omitempty"`
+	Name     string `json:"name,omitempty"`
+	Info     string `json:"info,omitempty"`
+	URL      string `json:"url,omitempty"`
+	Location string `json:"location,omitempty"`
+}
+
+func ResponseSources(w http.ResponseWriter, sources []*Source) {
+	if len(sources) == 0 {
+		http.Error(w, "no sources", http.StatusNotFound)
+		return
+	}
+
+	var response = struct {
+		Sources []*Source `json:"sources"`
+	}{
+		Sources: sources,
+	}
+	ResponseJSON(w, response)
+}
+
+func Error(w http.ResponseWriter, err error) {
+	log.Error().Err(err).Caller(1).Send()
+
+	http.Error(w, err.Error(), http.StatusInsufficientStorage)
+}

internal/api/config.go

@@ -0,0 +1,101 @@
+package api
+
+import (
+	"io"
+	"net/http"
+	"os"
+
+	"github.com/AlexxIT/go2rtc/internal/app"
+	"gopkg.in/yaml.v3"
+)
+
+func configHandler(w http.ResponseWriter, r *http.Request) {
+	if app.ConfigPath == "" {
+		http.Error(w, "", http.StatusGone)
+		return
+	}
+
+	switch r.Method {
+	case "GET":
+		data, err := os.ReadFile(app.ConfigPath)
+		if err != nil {
+			http.Error(w, "", http.StatusNotFound)
+			return
+		}
+		// https://www.ietf.org/archive/id/draft-ietf-httpapi-yaml-mediatypes-00.html
+		Response(w, data, "application/yaml")
+
+	case "POST", "PATCH":
+		data, err := io.ReadAll(r.Body)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusBadRequest)
+			return
+		}
+
+		if r.Method == "PATCH" {
+			// no need to validate after merge
+			data, err = mergeYAML(app.ConfigPath, data)
+			if err != nil {
+				http.Error(w, err.Error(), http.StatusBadRequest)
+				return
+			}
+		} else {
+			// validate config
+			if err = yaml.Unmarshal(data, map[string]any{}); err != nil {
+				http.Error(w, err.Error(), http.StatusInternalServerError)
+				return
+			}
+		}
+
+		if err = os.WriteFile(app.ConfigPath, data, 0644); err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+	}
+}
+
+func mergeYAML(file1 string, yaml2 []byte) ([]byte, error) {
+	// Read the contents of the first YAML file
+	data1, err := os.ReadFile(file1)
+	if err != nil {
+		return nil, err
+	}
+
+	// Unmarshal the first YAML file into a map
+	var config1 map[string]any
+	if err = yaml.Unmarshal(data1, &config1); err != nil {
+		return nil, err
+	}
+
+	// Unmarshal the second YAML document into a map
+	var config2 map[string]any
+	if err = yaml.Unmarshal(yaml2, &config2); err != nil {
+		return nil, err
+	}
+
+	// Merge the two maps
+	config1 = merge(config1, config2)
+
+	// Marshal the merged map into YAML
+	return yaml.Marshal(&config1)
+}
+
+func merge(dst, src map[string]any) map[string]any {
+	for k, v := range src {
+		if vv, ok := dst[k]; ok {
+			switch vv := vv.(type) {
+			case map[string]any:
+				v := v.(map[string]any)
+				dst[k] = merge(vv, v)
+			case []any:
+				v := v.([]any)
+				dst[k] = v
+			default:
+				dst[k] = v
+			}
+		} else {
+			dst[k] = v
+		}
+	}
+	return dst
+}

internal/api/ws/ws.go

@@ -0,0 +1,221 @@
+package ws
+
+import (
+	"io"
+	"net/http"
+	"net/url"
+	"strings"
+	"sync"
+	"time"
+
+	"github.com/AlexxIT/go2rtc/internal/api"
+	"github.com/AlexxIT/go2rtc/internal/app"
+	"github.com/gorilla/websocket"
+	"github.com/rs/zerolog/log"
+)
+
+func Init() {
+	var cfg struct {
+		Mod struct {
+			Origin string `yaml:"origin"`
+		} `yaml:"api"`
+	}
+
+	app.LoadConfig(&cfg)
+
+	initWS(cfg.Mod.Origin)
+
+	api.HandleFunc("api/ws", apiWS)
+}
+
+// Message - struct for data exchange in Web API
+type Message struct {
+	Type  string `json:"type"`
+	Value any    `json:"value,omitempty"`
+}
+
+func (m *Message) String() string {
+	if s, ok := m.Value.(string); ok {
+		return s
+	}
+	return ""
+}
+
+func (m *Message) GetString(key string) string {
+	if v, ok := m.Value.(map[string]any); ok {
+		if s, ok := v[key].(string); ok {
+			return s
+		}
+	}
+	return ""
+}
+
+type WSHandler func(tr *Transport, msg *Message) error
+
+func HandleFunc(msgType string, handler WSHandler) {
+	wsHandlers[msgType] = handler
+}
+
+var wsHandlers = make(map[string]WSHandler)
+
+func initWS(origin string) {
+	wsUp = &websocket.Upgrader{
+		ReadBufferSize:  4096,       // for SDP
+		WriteBufferSize: 512 * 1024, // 512K
+	}
+
+	switch origin {
+	case "":
+		// same origin + ignore port
+		wsUp.CheckOrigin = func(r *http.Request) bool {
+			origin := r.Header["Origin"]
+			if len(origin) == 0 {
+				return true
+			}
+			o, err := url.Parse(origin[0])
+			if err != nil {
+				return false
+			}
+			if o.Host == r.Host {
+				return true
+			}
+			log.Trace().Msgf("[api.ws] origin=%s, host=%s", o.Host, r.Host)
+			// https://github.com/AlexxIT/go2rtc/issues/118
+			if i := strings.IndexByte(o.Host, ':'); i > 0 {
+				return o.Host[:i] == r.Host
+			}
+			return false
+		}
+	case "*":
+		// any origin
+		wsUp.CheckOrigin = func(r *http.Request) bool {
+			return true
+		}
+	}
+}
+
+func apiWS(w http.ResponseWriter, r *http.Request) {
+	ws, err := wsUp.Upgrade(w, r, nil)
+	if err != nil {
+		origin := r.Header.Get("Origin")
+		log.Error().Err(err).Caller().Msgf("host=%s origin=%s", r.Host, origin)
+		return
+	}
+
+	tr := &Transport{Request: r}
+	tr.OnWrite(func(msg any) error {
+		_ = ws.SetWriteDeadline(time.Now().Add(time.Second * 5))
+
+		if data, ok := msg.([]byte); ok {
+			return ws.WriteMessage(websocket.BinaryMessage, data)
+		} else {
+			return ws.WriteJSON(msg)
+		}
+	})
+
+	for {
+		msg := new(Message)
+		if err = ws.ReadJSON(msg); err != nil {
+			if !websocket.IsCloseError(err, websocket.CloseNoStatusReceived) {
+				log.Trace().Err(err).Caller().Send()
+			}
+			_ = ws.Close()
+			break
+		}
+
+		log.Trace().Str("type", msg.Type).Msg("[api.ws] msg")
+
+		if handler := wsHandlers[msg.Type]; handler != nil {
+			go func() {
+				if err = handler(tr, msg); err != nil {
+					tr.Write(&Message{Type: "error", Value: msg.Type + ": " + err.Error()})
+				}
+			}()
+		}
+	}
+
+	tr.Close()
+}
+
+var wsUp *websocket.Upgrader
+
+type Transport struct {
+	Request *http.Request
+
+	ctx map[any]any
+
+	closed bool
+	mx     sync.Mutex
+	wrmx   sync.Mutex
+
+	onChange func()
+	onWrite  func(msg any) error
+	onClose  []func()
+}
+
+func (t *Transport) OnWrite(f func(msg any) error) {
+	t.mx.Lock()
+	if t.onChange != nil {
+		t.onChange()
+	}
+	t.onWrite = f
+	t.mx.Unlock()
+}
+
+func (t *Transport) Write(msg any) {
+	t.wrmx.Lock()
+	_ = t.onWrite(msg)
+	t.wrmx.Unlock()
+}
+
+func (t *Transport) Close() {
+	t.mx.Lock()
+	for _, f := range t.onClose {
+		f()
+	}
+	t.closed = true
+	t.mx.Unlock()
+}
+
+func (t *Transport) OnChange(f func()) {
+	t.mx.Lock()
+	t.onChange = f
+	t.mx.Unlock()
+}
+
+func (t *Transport) OnClose(f func()) {
+	t.mx.Lock()
+	if t.closed {
+		f()
+	} else {
+		t.onClose = append(t.onClose, f)
+	}
+	t.mx.Unlock()
+}
+
+// WithContext - run function with Context variable
+func (t *Transport) WithContext(f func(ctx map[any]any)) {
+	t.mx.Lock()
+	if t.ctx == nil {
+		t.ctx = map[any]any{}
+	}
+	f(t.ctx)
+	t.mx.Unlock()
+}
+
+func (t *Transport) Writer() io.Writer {
+	return &writer{t: t}
+}
+
+type writer struct {
+	t *Transport
+}
+
+func (w *writer) Write(p []byte) (n int, err error) {
+	w.t.wrmx.Lock()
+	if err = w.t.onWrite(p); err == nil {
+		n = len(p)
+	}
+	w.t.wrmx.Unlock()
+	return
+}

internal/app/app.go

@@ -0,0 +1,161 @@
+package app
+
+import (
+	"errors"
+	"flag"
+	"fmt"
+	"io"
+	"os"
+	"path/filepath"
+	"runtime"
+	"strings"
+	"time"
+
+	"github.com/AlexxIT/go2rtc/pkg/shell"
+	"github.com/AlexxIT/go2rtc/pkg/yaml"
+	"github.com/rs/zerolog"
+	"github.com/rs/zerolog/log"
+)
+
+var Version = ""
+var UserAgent = "go2rtc/" + Version
+
+var ConfigPath string
+var Info = map[string]any{
+	"version": Version,
+}
+
+func Init() {
+	var confs Config
+	var version bool
+
+	flag.Var(&confs, "config", "go2rtc config (path to file or raw text), support multiple")
+	flag.BoolVar(&version, "version", false, "Print the version of the application and exit")
+	flag.Parse()
+
+	if version {
+		fmt.Println("Current version: ", Version)
+		os.Exit(0)
+	}
+
+	if confs == nil {
+		confs = []string{"go2rtc.yaml"}
+	}
+
+	for _, conf := range confs {
+		if conf[0] != '{' {
+			// config as file
+			if ConfigPath == "" {
+				ConfigPath = conf
+			}
+
+			data, _ := os.ReadFile(conf)
+			if data == nil {
+				continue
+			}
+
+			data = []byte(shell.ReplaceEnvVars(string(data)))
+			configs = append(configs, data)
+		} else {
+			// config as raw YAML
+			configs = append(configs, []byte(conf))
+		}
+	}
+
+	if ConfigPath != "" {
+		if !filepath.IsAbs(ConfigPath) {
+			if cwd, err := os.Getwd(); err == nil {
+				ConfigPath = filepath.Join(cwd, ConfigPath)
+			}
+		}
+		Info["config_path"] = ConfigPath
+	}
+
+	var cfg struct {
+		Mod map[string]string `yaml:"log"`
+	}
+
+	LoadConfig(&cfg)
+
+	log.Logger = NewLogger(cfg.Mod["format"], cfg.Mod["level"])
+
+	modules = cfg.Mod
+
+	log.Info().Msgf("go2rtc version %s %s/%s", Version, runtime.GOOS, runtime.GOARCH)
+
+	migrateStore()
+}
+
+func NewLogger(format string, level string) zerolog.Logger {
+	var writer io.Writer = os.Stdout
+
+	if format != "json" {
+		writer = zerolog.ConsoleWriter{
+			Out: writer, TimeFormat: "15:04:05.000",
+			NoColor: writer != os.Stdout || format == "text",
+		}
+	}
+
+	zerolog.TimeFieldFormat = time.RFC3339Nano
+
+	lvl, err := zerolog.ParseLevel(level)
+	if err != nil || lvl == zerolog.NoLevel {
+		lvl = zerolog.InfoLevel
+	}
+
+	return zerolog.New(writer).With().Timestamp().Logger().Level(lvl)
+}
+
+func LoadConfig(v any) {
+	for _, data := range configs {
+		if err := yaml.Unmarshal(data, v); err != nil {
+			log.Warn().Err(err).Msg("[app] read config")
+		}
+	}
+}
+
+func GetLogger(module string) zerolog.Logger {
+	if s, ok := modules[module]; ok {
+		lvl, err := zerolog.ParseLevel(s)
+		if err == nil {
+			return log.Level(lvl)
+		}
+		log.Warn().Err(err).Caller().Send()
+	}
+
+	return log.Logger
+}
+
+func PatchConfig(key string, value any, path ...string) error {
+	if ConfigPath == "" {
+		return errors.New("config file disabled")
+	}
+
+	// empty config is OK
+	b, _ := os.ReadFile(ConfigPath)
+
+	b, err := yaml.Patch(b, key, value, path...)
+	if err != nil {
+		return err
+	}
+
+	return os.WriteFile(ConfigPath, b, 0644)
+}
+
+// internal
+
+type Config []string
+
+func (c *Config) String() string {
+	return strings.Join(*c, " ")
+}
+
+func (c *Config) Set(value string) error {
+	*c = append(*c, value)
+	return nil
+}
+
+var configs [][]byte
+
+// modules log levels
+var modules map[string]string

internal/app/migrate.go

@@ -0,0 +1,35 @@
+package app
+
+import (
+	"encoding/json"
+	"os"
+
+	"github.com/rs/zerolog/log"
+)
+
+func migrateStore() {
+	const name = "go2rtc.json"
+
+	data, _ := os.ReadFile(name)
+	if data == nil {
+		return
+	}
+
+	var store struct {
+		Streams map[string]string `json:"streams"`
+	}
+
+	if err := json.Unmarshal(data, &store); err != nil {
+		log.Warn().Err(err).Caller().Send()
+		return
+	}
+
+	for id, url := range store.Streams {
+		if err := PatchConfig(id, url, "streams"); err != nil {
+			log.Warn().Err(err).Caller().Send()
+			return
+		}
+	}
+
+	_ = os.Remove(name)
+}

internal/bubble/bubble.go

@@ -0,0 +1,19 @@
+package bubble
+
+import (
+	"github.com/AlexxIT/go2rtc/internal/streams"
+	"github.com/AlexxIT/go2rtc/pkg/bubble"
+	"github.com/AlexxIT/go2rtc/pkg/core"
+)
+
+func Init() {
+	streams.HandleFunc("bubble", handle)
+}
+
+func handle(url string) (core.Producer, error) {
+	conn := bubble.NewClient(url)
+	if err := conn.Dial(); err != nil {
+		return nil, err
+	}
+	return conn, nil
+}

internal/debug/debug.go

@@ -0,0 +1,17 @@
+package debug
+
+import (
+	"github.com/AlexxIT/go2rtc/internal/api"
+	"github.com/AlexxIT/go2rtc/internal/streams"
+	"github.com/AlexxIT/go2rtc/pkg/core"
+)
+
+func Init() {
+	api.HandleFunc("api/stack", stackHandler)
+
+	streams.HandleFunc("null", nullHandler)
+}
+
+func nullHandler(string) (core.Producer, error) {
+	return nil, nil
+}

internal/debug/stack.go

@@ -5,6 +5,8 @@ import (
 	"fmt"
 	"net/http"
 	"runtime"
+
+	"github.com/AlexxIT/go2rtc/internal/api"
 )
 
 var stackSkip = [][]byte{
@@ -13,18 +15,22 @@ var stackSkip = [][]byte{
 	[]byte("created by os/signal.Notify"),
 
 	// api/stack.go
-	[]byte("github.com/AlexxIT/go2rtc/cmd/api.stackHandler"),
+	[]byte("github.com/AlexxIT/go2rtc/internal/api.stackHandler"),
 
 	// api/api.go
-	[]byte("created by github.com/AlexxIT/go2rtc/cmd/api.Init"),
+	[]byte("created by github.com/AlexxIT/go2rtc/internal/api.Init"),
 	[]byte("created by net/http.(*connReader).startBackgroundRead"),
 	[]byte("created by net/http.(*Server).Serve"), // TODO: why two?
 
-	[]byte("created by github.com/AlexxIT/go2rtc/cmd/rtsp.Init"),
-	[]byte("created by github.com/AlexxIT/go2rtc/cmd/srtp.Init"),
+	[]byte("created by github.com/AlexxIT/go2rtc/internal/rtsp.Init"),
+	[]byte("created by github.com/AlexxIT/go2rtc/internal/srtp.Init"),
+
+	// homekit
+	[]byte("created by github.com/AlexxIT/go2rtc/internal/homekit.Init"),
 
 	// webrtc/api.go
 	[]byte("created by github.com/pion/ice/v2.NewTCPMuxDefault"),
+	[]byte("created by github.com/pion/ice/v2.NewUDPMuxDefault"),
 }
 
 func stackHandler(w http.ResponseWriter, r *http.Request) {
@@ -50,7 +56,5 @@ func stackHandler(w http.ResponseWriter, r *http.Request) {
 		"Total: %d, Skipped: %d", runtime.NumGoroutine(), skipped),
 	)
 
-	if _, err := w.Write(buf[:i]); err != nil {
-		panic(err)
-	}
+	api.Response(w, buf[:i], api.MimeText)
 }

internal/dvrip/dvrip.go

@@ -0,0 +1,174 @@
+package dvrip
+
+import (
+	"encoding/hex"
+	"encoding/json"
+	"fmt"
+	"net"
+	"net/http"
+	"time"
+
+	"github.com/AlexxIT/go2rtc/internal/api"
+	"github.com/AlexxIT/go2rtc/internal/streams"
+	"github.com/AlexxIT/go2rtc/pkg/core"
+	"github.com/AlexxIT/go2rtc/pkg/dvrip"
+	"github.com/rs/zerolog/log"
+)
+
+func Init() {
+	streams.HandleFunc("dvrip", handle)
+
+	// DVRIP client autodiscovery
+	api.HandleFunc("api/dvrip", apiDvrip)
+}
+
+func handle(url string) (core.Producer, error) {
+	client, err := dvrip.Dial(url)
+	if err != nil {
+		return nil, err
+	}
+	return client, nil
+}
+
+const Port = 34569 // UDP port number for dvrip discovery
+
+func apiDvrip(w http.ResponseWriter, r *http.Request) {
+	items, err := discover()
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	api.ResponseSources(w, items)
+}
+
+func discover() ([]*api.Source, error) {
+	addr := &net.UDPAddr{
+		Port: Port,
+		IP:   net.IP{239, 255, 255, 250},
+	}
+
+	conn, err := net.ListenUDP("udp4", addr)
+	if err != nil {
+		return nil, err
+	}
+
+	defer conn.Close()
+
+	go sendBroadcasts(conn)
+
+	var items []*api.Source
+
+	for _, info := range getResponses(conn) {
+		if info.HostIP == "" || info.HostName == "" {
+			continue
+		}
+
+		host, err := hexToDecimalBytes(info.HostIP)
+		if err != nil {
+			continue
+		}
+
+		items = append(items, &api.Source{
+			Name: info.HostName,
+			URL:  "dvrip://user:pass@" + host + "?channel=0&subtype=0",
+		})
+	}
+
+	return items, nil
+}
+
+func sendBroadcasts(conn *net.UDPConn) {
+	// broadcasting the same multiple times because the devies some times don't answer
+	data, err := hex.DecodeString("ff00000000000000000000000000fa0500000000")
+	if err != nil {
+		return
+	}
+
+	addr := &net.UDPAddr{
+		Port: Port,
+		IP:   net.IP{255, 255, 255, 255},
+	}
+
+	for i := 0; i < 3; i++ {
+		time.Sleep(100 * time.Millisecond)
+
+		if _, err = conn.WriteToUDP(data, addr); err != nil {
+			log.Err(err).Caller().Send()
+		}
+	}
+}
+
+type Message struct {
+	NetCommon NetCommon `json:"NetWork.NetCommon"`
+	Ret       int       `json:"Ret"`
+	SessionID string    `json:"SessionID"`
+}
+
+type NetCommon struct {
+	BuildDate       string `json:"BuildDate"`
+	ChannelNum      int    `json:"ChannelNum"`
+	DeviceType      int    `json:"DeviceType"`
+	GateWay         string `json:"GateWay"`
+	HostIP          string `json:"HostIP"`
+	HostName        string `json:"HostName"`
+	HttpPort        int    `json:"HttpPort"`
+	MAC             string `json:"MAC"`
+	MonMode         string `json:"MonMode"`
+	NetConnectState int    `json:"NetConnectState"`
+	OtherFunction   string `json:"OtherFunction"`
+	SN              string `json:"SN"`
+	SSLPort         int    `json:"SSLPort"`
+	Submask         string `json:"Submask"`
+	TCPMaxConn      int    `json:"TCPMaxConn"`
+	TCPPort         int    `json:"TCPPort"`
+	UDPPort         int    `json:"UDPPort"`
+	UseHSDownLoad   bool   `json:"UseHSDownLoad"`
+	Version         string `json:"Version"`
+}
+
+func getResponses(conn *net.UDPConn) (infos []*NetCommon) {
+	if err := conn.SetReadDeadline(time.Now().Add(time.Second * 2)); err != nil {
+		return
+	}
+
+	var ips []net.IP // processed IPs
+
+	b := make([]byte, 4096)
+loop:
+	for {
+		n, addr, err := conn.ReadFromUDP(b)
+		if err != nil {
+			break
+		}
+
+		for _, ip := range ips {
+			if ip.Equal(addr.IP) {
+				continue loop
+			}
+		}
+
+		if n <= 20+1 {
+			continue
+		}
+
+		var msg Message
+
+		if err = json.Unmarshal(b[20:n-1], &msg); err != nil {
+			continue
+		}
+
+		infos = append(infos, &msg.NetCommon)
+		ips = append(ips, addr.IP)
+	}
+
+	return
+}
+
+func hexToDecimalBytes(hexIP string) (string, error) {
+	b, err := hex.DecodeString(hexIP[2:]) // remove the '0x' prefix
+	if err != nil {
+		return "", err
+	}
+	return fmt.Sprintf("%d.%d.%d.%d", b[3], b[2], b[1], b[0]), nil
+}

internal/echo/echo.go

@@ -2,28 +2,28 @@ package echo
 
 import (
 	"bytes"
-	"github.com/AlexxIT/go2rtc/cmd/app"
-	"github.com/AlexxIT/go2rtc/cmd/streams"
-	"github.com/AlexxIT/go2rtc/pkg/shell"
-	"github.com/AlexxIT/go2rtc/pkg/streamer"
 	"os/exec"
+
+	"github.com/AlexxIT/go2rtc/internal/app"
+	"github.com/AlexxIT/go2rtc/internal/streams"
+	"github.com/AlexxIT/go2rtc/pkg/shell"
 )
 
 func Init() {
 	log := app.GetLogger("echo")
 
-	streams.HandleFunc("echo", func(url string) (streamer.Producer, error) {
+	streams.RedirectFunc("echo", func(url string) (string, error) {
 		args := shell.QuoteSplit(url[5:])
 
 		b, err := exec.Command(args[0], args[1:]...).Output()
 		if err != nil {
-			return nil, err
+			return "", err
 		}
 
 		b = bytes.TrimSpace(b)
 
 		log.Debug().Str("url", url).Msgf("[echo] %s", b)
 
-		return streams.GetProducer(string(b))
+		return string(b), nil
 	})
 }

internal/exec/exec.go

@@ -0,0 +1,144 @@
+package exec
+
+import (
+	"crypto/md5"
+	"encoding/hex"
+	"errors"
+	"fmt"
+	"os"
+	"os/exec"
+	"sync"
+	"time"
+
+	"github.com/AlexxIT/go2rtc/internal/app"
+	"github.com/AlexxIT/go2rtc/internal/rtsp"
+	"github.com/AlexxIT/go2rtc/internal/streams"
+	"github.com/AlexxIT/go2rtc/pkg/core"
+	"github.com/AlexxIT/go2rtc/pkg/magic"
+	pkg "github.com/AlexxIT/go2rtc/pkg/rtsp"
+	"github.com/AlexxIT/go2rtc/pkg/shell"
+	"github.com/rs/zerolog"
+)
+
+func Init() {
+	rtsp.HandleFunc(func(conn *pkg.Conn) bool {
+		waitersMu.Lock()
+		waiter := waiters[conn.URL.Path]
+		waitersMu.Unlock()
+
+		if waiter == nil {
+			return false
+		}
+
+		// unblocking write to channel
+		select {
+		case waiter <- conn:
+			return true
+		default:
+			return false
+		}
+	})
+
+	streams.HandleFunc("exec", execHandle)
+
+	log = app.GetLogger("exec")
+}
+
+func execHandle(url string) (core.Producer, error) {
+	var path string
+
+	args := shell.QuoteSplit(url[5:]) // remove `exec:`
+	for i, arg := range args {
+		if arg == "{output}" {
+			if rtsp.Port == "" {
+				return nil, errors.New("rtsp module disabled")
+			}
+
+			sum := md5.Sum([]byte(url))
+			path = "/" + hex.EncodeToString(sum[:])
+			args[i] = "rtsp://127.0.0.1:" + rtsp.Port + path
+			break
+		}
+	}
+
+	cmd := exec.Command(args[0], args[1:]...)
+	if log.Debug().Enabled() {
+		cmd.Stderr = os.Stderr
+	}
+
+	if path == "" {
+		return handlePipe(url, cmd)
+	}
+
+	return handleRTSP(url, path, cmd)
+}
+
+func handlePipe(url string, cmd *exec.Cmd) (core.Producer, error) {
+	r, err := PipeCloser(cmd)
+	if err != nil {
+		return nil, err
+	}
+
+	if err = cmd.Start(); err != nil {
+		return nil, err
+	}
+
+	return magic.Open(r)
+}
+
+func handleRTSP(url, path string, cmd *exec.Cmd) (core.Producer, error) {
+	if log.Trace().Enabled() {
+		cmd.Stdout = os.Stdout
+	}
+
+	ch := make(chan core.Producer)
+
+	waitersMu.Lock()
+	waiters[path] = ch
+	waitersMu.Unlock()
+
+	defer func() {
+		waitersMu.Lock()
+		delete(waiters, path)
+		waitersMu.Unlock()
+	}()
+
+	log.Debug().Str("url", url).Msg("[exec] run")
+
+	ts := time.Now()
+
+	if err := cmd.Start(); err != nil {
+		log.Error().Err(err).Str("url", url).Msg("[exec]")
+		return nil, err
+	}
+
+	chErr := make(chan error)
+
+	go func() {
+		err := cmd.Wait()
+		// unblocking write to channel
+		select {
+		case chErr <- err:
+		default:
+			log.Trace().Str("url", url).Msg("[exec] close")
+		}
+	}()
+
+	select {
+	case <-time.After(time.Second * 60):
+		_ = cmd.Process.Kill()
+		log.Error().Str("url", url).Msg("[exec] timeout")
+		return nil, errors.New("timeout")
+	case err := <-chErr:
+		return nil, fmt.Errorf("exec: %s", err)
+	case prod := <-ch:
+		log.Debug().Stringer("launch", time.Since(ts)).Msg("[exec] run")
+		return prod, nil
+	}
+}
+
+// internal
+
+var log zerolog.Logger
+var waiters = map[string]chan core.Producer{}
+var waitersMu sync.Mutex

internal/exec/pipe.go

@@ -0,0 +1,30 @@
+package exec
+
+import (
+	"bufio"
+	"io"
+	"os/exec"
+
+	"github.com/AlexxIT/go2rtc/pkg/core"
+)
+
+// PipeCloser - return StdoutPipe that Kill cmd on Close call
+func PipeCloser(cmd *exec.Cmd) (io.ReadCloser, error) {
+	stdout, err := cmd.StdoutPipe()
+	if err != nil {
+		return nil, err
+	}
+
+	// add buffer for pipe reader to reduce syscall
+	return pipeCloser{bufio.NewReaderSize(stdout, core.BufferSize), stdout, cmd}, nil
+}
+
+type pipeCloser struct {
+	io.Reader
+	io.Closer
+	cmd *exec.Cmd
+}
+
+func (p pipeCloser) Close() error {
+	return core.Any(p.Closer.Close(), p.cmd.Process.Kill(), p.cmd.Wait())
+}

internal/ffmpeg/device/device_darwin.go

@@ -0,0 +1,86 @@
+package device
+
+import (
+	"net/url"
+	"os/exec"
+	"regexp"
+	"strings"
+
+	"github.com/AlexxIT/go2rtc/internal/api"
+	"github.com/AlexxIT/go2rtc/pkg/core"
+)
+
+func queryToInput(query url.Values) string {
+	video := query.Get("video")
+	audio := query.Get("audio")
+
+	if video == "" && audio == "" {
+		return ""
+	}
+
+	// https://ffmpeg.org/ffmpeg-devices.html#avfoundation
+	input := "-f avfoundation"
+
+	if video != "" {
+		video = indexToItem(videos, video)
+
+		for key, value := range query {
+			switch key {
+			case "resolution":
+				input += " -video_size " + value[0]
+			case "pixel_format", "framerate", "video_size", "capture_cursor", "capture_mouse_clicks", "capture_raw_data":
+				input += " -" + key + " " + value[0]
+			}
+		}
+	}
+
+	if audio != "" {
+		audio = indexToItem(audios, audio)
+	}
+
+	return input + ` -i "` + video + `:` + audio + `"`
+}
+
+func initDevices() {
+	// [AVFoundation indev @ 0x147f04510] AVFoundation video devices:
+	// [AVFoundation indev @ 0x147f04510] [0] FaceTime HD Camera
+	// [AVFoundation indev @ 0x147f04510] [1] Capture screen 0
+	// [AVFoundation indev @ 0x147f04510] AVFoundation audio devices:
+	// [AVFoundation indev @ 0x147f04510] [0] MacBook Pro Microphone
+	cmd := exec.Command(
+		Bin, "-hide_banner", "-list_devices", "true", "-f", "avfoundation", "-i", "",
+	)
+	b, _ := cmd.CombinedOutput()
+
+	re := regexp.MustCompile(`\[\d+] (.+)`)
+
+	var kind string
+	for _, line := range strings.Split(string(b), "\n") {
+		switch {
+		case strings.HasSuffix(line, "video devices:"):
+			kind = core.KindVideo
+			continue
+		case strings.HasSuffix(line, "audio devices:"):
+			kind = core.KindAudio
+			continue
+		}
+
+		m := re.FindStringSubmatch(line)
+		if m == nil {
+			continue
+		}
+
+		name := m[1]
+
+		switch kind {
+		case core.KindVideo:
+			videos = append(videos, name)
+		case core.KindAudio:
+			audios = append(audios, name)
+		}
+
+		streams = append(streams, &api.Source{
+			Name: name, URL: "ffmpeg:device?" + kind + "=" + name,
+		})
+	}
+}

internal/ffmpeg/device/device_linux.go

@@ -0,0 +1,99 @@
+package device
+
+import (
+	"net/url"
+	"os"
+	"os/exec"
+	"regexp"
+	"strings"
+
+	"github.com/AlexxIT/go2rtc/internal/api"
+	"github.com/AlexxIT/go2rtc/pkg/core"
+)
+
+func queryToInput(query url.Values) string {
+	if video := query.Get("video"); video != "" {
+		// https://ffmpeg.org/ffmpeg-devices.html#video4linux2_002c-v4l2
+		input := "-f v4l2"
+
+		for key, value := range query {
+			switch key {
+			case "resolution":
+				input += " -video_size " + value[0]
+			case "video_size", "pixel_format", "input_format", "framerate", "use_libv4l2":
+				input += " -" + key + " " + value[0]
+			}
+		}
+
+		return input + " -i " + indexToItem(videos, video)
+	}
+
+	if audio := query.Get("audio"); audio != "" {
+		// https://trac.ffmpeg.org/wiki/Capture/ALSA
+		input := "-f alsa"
+
+		for key, value := range query {
+			switch key {
+			case "channels", "sample_rate":
+				input += " -" + key + " " + value[0]
+			}
+		}
+
+		return input + " -i " + indexToItem(audios, audio)
+	}
+
+	return ""
+}
+
+func initDevices() {
+	files, err := os.ReadDir("/dev")
+	if err != nil {
+		return
+	}
+
+	for _, file := range files {
+		if !strings.HasPrefix(file.Name(), core.KindVideo) {
+			continue
+		}
+
+		name := "/dev/" + file.Name()
+
+		cmd := exec.Command(
+			Bin, "-hide_banner", "-f", "v4l2", "-list_formats", "all", "-i", name,
+		)
+		b, _ := cmd.CombinedOutput()
+
+		// [video4linux2,v4l2 @ 0x204e1c0] Compressed:       mjpeg :          Motion-JPEG : 640x360 1280x720 1920x1080
+		// [video4linux2,v4l2 @ 0x204e1c0] Raw       :     yuyv422 :           YUYV 4:2:2 : 640x360 1280x720 1920x1080
+		// [video4linux2,v4l2 @ 0x204e1c0] Compressed:        h264 :                H.264 : 640x360 1280x720 1920x1080
+		re := regexp.MustCompile("(Raw *|Compressed): +(.+?) : +(.+?) : (.+)")
+		m := re.FindAllStringSubmatch(string(b), -1)
+		for _, i := range m {
+			size, _, _ := strings.Cut(i[4], " ")
+			stream := &api.Source{
+				Name: i[3],
+				Info: i[4],
+				URL:  "ffmpeg:device?video=" + name + "&input_format=" + i[2] + "&video_size=" + size,
+			}
+
+			if i[1] != "Compressed" {
+				stream.URL += "#video=h264#hardware"
+			}
+
+			videos = append(videos, name)
+			streams = append(streams, stream)
+		}
+	}
+
+	err = exec.Command(Bin, "-f", "alsa", "-i", "default", "-t", "1", "-f", "null", "-").Run()
+	if err == nil {
+		stream := &api.Source{
+			Name: "ALSA default",
+			Info: " ",
+			URL:  "ffmpeg:device?audio=default&channels=1&sample_rate=16000&#audio=opus",
+		}
+
+		audios = append(audios, "default")
+		streams = append(streams, stream)
+	}
+}

internal/ffmpeg/device/device_windows.go

@@ -0,0 +1,98 @@
+package device
+
+import (
+	"net/url"
+	"os/exec"
+	"regexp"
+
+	"github.com/AlexxIT/go2rtc/internal/api"
+	"github.com/AlexxIT/go2rtc/pkg/core"
+)
+
+func queryToInput(query url.Values) string {
+	video := query.Get("video")
+	audio := query.Get("audio")
+
+	if video == "" && audio == "" {
+		return ""
+	}
+
+	// https://ffmpeg.org/ffmpeg-devices.html#dshow
+	input := "-f dshow"
+
+	if video != "" {
+		video = indexToItem(videos, video)
+
+		for key, value := range query {
+			switch key {
+			case "resolution":
+				input += " -video_size " + value[0]
+			case "video_size", "framerate", "pixel_format":
+				input += " -" + key + " " + value[0]
+			}
+		}
+	}
+
+	if audio != "" {
+		audio = indexToItem(audios, audio)
+
+		for key, value := range query {
+			switch key {
+			case "sample_rate", "sample_size", "channels", "audio_buffer_size":
+				input += " -" + key + " " + value[0]
+			}
+		}
+	}
+
+	if video != "" {
+		input += ` -i video="` + video + `"`
+
+		if audio != "" {
+			input += `:audio="` + audio + `"`
+		}
+	} else {
+		input += ` -i audio="` + audio + `"`
+	}
+
+	return input
+}
+
+func deviceInputSuffix(video, audio string) string {
+	switch {
+	case video != "" && audio != "":
+		return `video="` + video + `":audio=` + audio + `"`
+	case video != "":
+		return `video="` + video + `"`
+	case audio != "":
+		return `audio="` + audio + `"`
+	}
+	return ""
+}
+
+func initDevices() {
+	cmd := exec.Command(
+		Bin, "-hide_banner", "-list_devices", "true", "-f", "dshow", "-i", "",
+	)
+	b, _ := cmd.CombinedOutput()
+
+	re := regexp.MustCompile(`"([^"]+)" \((video|audio)\)`)
+	for _, m := range re.FindAllStringSubmatch(string(b), -1) {
+		name := m[1]
+		kind := m[2]
+
+		stream := &api.Source{
+			Name: name, URL: "ffmpeg:device?" + kind + "=" + name,
+		}
+
+		switch kind {
+		case core.KindVideo:
+			videos = append(videos, name)
+			stream.URL += "#video=h264#hardware"
+		case core.KindAudio:
+			audios = append(audios, name)
+			stream.URL += "&channels=1&sample_rate=16000&audio_buffer_size=10"
+		}
+
+		streams = append(streams, stream)
+	}
+}

internal/ffmpeg/device/devices.go

@@ -0,0 +1,57 @@
+package device
+
+import (
+	"errors"
+	"net/http"
+	"net/url"
+	"strconv"
+	"strings"
+	"sync"
+
+	"github.com/AlexxIT/go2rtc/internal/api"
+)
+
+func Init(bin string) {
+	Bin = bin
+
+	api.HandleFunc("api/ffmpeg/devices", apiDevices)
+}
+
+func GetInput(src string) (string, error) {
+	i := strings.IndexByte(src, '?')
+	if i < 0 {
+		return "", errors.New("empty query: " + src)
+	}
+
+	query, err := url.ParseQuery(src[i+1:])
+	if err != nil {
+		return "", err
+	}
+
+	runonce.Do(initDevices)
+
+	if input := queryToInput(query); input != "" {
+		return input, nil
+	}
+
+	return "", errors.New("wrong query: " + src)
+}
+
+var Bin string
+
+var videos, audios []string
+var streams []*api.Source
+var runonce sync.Once
+
+func apiDevices(w http.ResponseWriter, r *http.Request) {
+	runonce.Do(initDevices)
+
+	api.ResponseSources(w, streams)
+}
+
+func indexToItem(items []string, index string) string {
+	if i, err := strconv.Atoi(index); err == nil && i < len(items) {
+		return items[i]
+	}
+	return index
+}

internal/ffmpeg/ffmpeg.go

@@ -0,0 +1,303 @@
+package ffmpeg
+
+import (
+	"net/url"
+	"strings"
+
+	"github.com/AlexxIT/go2rtc/internal/app"
+	"github.com/AlexxIT/go2rtc/internal/ffmpeg/device"
+	"github.com/AlexxIT/go2rtc/internal/ffmpeg/hardware"
+	"github.com/AlexxIT/go2rtc/internal/rtsp"
+	"github.com/AlexxIT/go2rtc/internal/streams"
+	"github.com/AlexxIT/go2rtc/pkg/ffmpeg"
+)
+
+func Init() {
+	var cfg struct {
+		Mod map[string]string `yaml:"ffmpeg"`
+	}
+
+	cfg.Mod = defaults // will be overriden from yaml
+
+	app.LoadConfig(&cfg)
+
+	if app.GetLogger("exec").GetLevel() >= 0 {
+		defaults["global"] += " -v error"
+	}
+
+	streams.RedirectFunc("ffmpeg", func(url string) (string, error) {
+		args := parseArgs(url[7:])
+		return "exec:" + args.String(), nil
+	})
+
+	device.Init(defaults["bin"])
+	hardware.Init(defaults["bin"])
+}
+
+var defaults = map[string]string{
+	"bin":    "ffmpeg",
+	"global": "-hide_banner",
+
+	// inputs
+	"file": "-re -i {input}",
+	"http": "-fflags nobuffer -flags low_delay -i {input}",
+	"rtsp": "-fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i {input}",
+
+	"rtsp/udp": "-fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -i {input}",
+
+	// output
+	"output":       "-user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}",
+	"output/mjpeg": "-f mjpeg -",
+
+	// `-preset superfast` - we can't use ultrafast because it doesn't support `-profile main -level 4.1`
+	// `-tune zerolatency` - for minimal latency
+	// `-profile high -level 4.1` - most used streaming profile
+	// `-pix_fmt:v yuv420p` - important for Telegram
+	"h264":  "-c:v libx264 -g 50 -profile:v high -level:v 4.1 -preset:v superfast -tune:v zerolatency -pix_fmt:v yuv420p",
+	"h265":  "-c:v libx265 -g 50 -profile:v main -level:v 5.1 -preset:v superfast -tune:v zerolatency",
+	"mjpeg": "-c:v mjpeg",
+	//"mjpeg": "-c:v mjpeg -force_duplicated_matrix:v 1 -huffman:v 0 -pix_fmt:v yuvj420p",
+
+	// https://ffmpeg.org/ffmpeg-codecs.html#libopus-1
+	// https://github.com/pion/webrtc/issues/1514
+	// https://ffmpeg.org/ffmpeg-resampler.html
+	// `-async 1` or `-min_comp 0` - force frame_size=960, important for WebRTC audio quality
+	"opus":       "-c:a libopus -application:a lowdelay -frame_duration 20 -min_comp 0",
+	"pcmu":       "-c:a pcm_mulaw -ar:a 8000 -ac:a 1",
+	"pcmu/16000": "-c:a pcm_mulaw -ar:a 16000 -ac:a 1",
+	"pcmu/48000": "-c:a pcm_mulaw -ar:a 48000 -ac:a 1",
+	"pcma":       "-c:a pcm_alaw -ar:a 8000 -ac:a 1",
+	"pcma/16000": "-c:a pcm_alaw -ar:a 16000 -ac:a 1",
+	"pcma/48000": "-c:a pcm_alaw -ar:a 48000 -ac:a 1",
+	"aac":        "-c:a aac", // keep sample rate and channels
+	"aac/16000":  "-c:a aac -ar:a 16000 -ac:a 1",
+	"mp3":        "-c:a libmp3lame -q:a 8",
+	"pcm":        "-c:a pcm_s16be -ar:a 8000 -ac:a 1",
+	"pcm/16000":  "-c:a pcm_s16be -ar:a 16000 -ac:a 1",
+	"pcm/48000":  "-c:a pcm_s16be -ar:a 48000 -ac:a 1",
+	"pcml":       "-c:a pcm_s16le -ar:a 8000 -ac:a 1",
+	"pcml/44100": "-c:a pcm_s16le -ar:a 44100 -ac:a 1",
+
+	// hardware Intel and AMD on Linux
+	// better not to set `-async_depth:v 1` like for QSV, because framedrops
+	// `-bf 0` - disable B-frames is very important
+	"h264/vaapi":  "-c:v h264_vaapi -g 50 -bf 0 -profile:v high -level:v 4.1 -sei:v 0",
+	"h265/vaapi":  "-c:v hevc_vaapi -g 50 -bf 0 -profile:v high -level:v 5.1 -sei:v 0",
+	"mjpeg/vaapi": "-c:v mjpeg_vaapi",
+
+	// hardware Raspberry
+	"h264/v4l2m2m": "-c:v h264_v4l2m2m -g 50 -bf 0",
+	"h265/v4l2m2m": "-c:v hevc_v4l2m2m -g 50 -bf 0",
+
+	// hardware NVidia on Linux and Windows
+	// preset=p2 - faster, tune=ll - low latency
+	"h264/cuda": "-c:v h264_nvenc -g 50 -bf 0 -profile:v high -level:v auto -preset:v p2 -tune:v ll",
+	"h265/cuda": "-c:v hevc_nvenc -g 50 -bf 0 -profile:v high -level:v auto",
+
+	// hardware Intel on Windows
+	"h264/dxva2":  "-c:v h264_qsv -g 50 -bf 0 -profile:v high -level:v 4.1 -async_depth:v 1",
+	"h265/dxva2":  "-c:v hevc_qsv -g 50 -bf 0 -profile:v high -level:v 5.1 -async_depth:v 1",
+	"mjpeg/dxva2": "-c:v mjpeg_qsv -profile:v high -level:v 5.1",
+
+	// hardware macOS
+	"h264/videotoolbox": "-c:v h264_videotoolbox -g 50 -bf 0 -profile:v high -level:v 4.1",
+	"h265/videotoolbox": "-c:v hevc_videotoolbox -g 50 -bf 0 -profile:v high -level:v 5.1",
+}
+
+// configTemplate - return template from config (defaults) if exist or return raw template
+func configTemplate(template string) string {
+	if s := defaults[template]; s != "" {
+		return s
+	}
+	return template
+}
+
+// inputTemplate - select input template from YAML config by template name
+// if query has input param - select another template by this name
+// if there is no another template - use input param as template
+func inputTemplate(name, s string, query url.Values) string {
+	var template string
+	if input := query.Get("input"); input != "" {
+		template = configTemplate(input)
+	} else {
+		template = defaults[name]
+	}
+	return strings.Replace(template, "{input}", s, 1)
+}
+
+func parseArgs(s string) *ffmpeg.Args {
+	// init FFmpeg arguments
+	args := &ffmpeg.Args{
+		Bin:    defaults["bin"],
+		Global: defaults["global"],
+		Output: defaults["output"],
+	}
+
+	var query url.Values
+	if i := strings.IndexByte(s, '#'); i > 0 {
+		query = streams.ParseQuery(s[i+1:])
+		args.Video = len(query["video"])
+		args.Audio = len(query["audio"])
+		s = s[:i]
+	}
+
+	// Parse input:
+	//   1. Input as xxxx:// link (http or rtsp or any other)
+	//   2. Input as stream name
+	//   3. Input as FFmpeg device (local USB camera)
+	if i := strings.Index(s, "://"); i > 0 {
+		switch s[:i] {
+		case "http", "https", "rtmp":
+			args.Input = inputTemplate("http", s, query)
+		case "rtsp", "rtsps":
+			// https://ffmpeg.org/ffmpeg-protocols.html#rtsp
+			// skip unnecessary input tracks
+			switch {
+			case (args.Video > 0 && args.Audio > 0) || (args.Video == 0 && args.Audio == 0):
+				args.Input = "-allowed_media_types video+audio "
+			case args.Video > 0:
+				args.Input = "-allowed_media_types video "
+			case args.Audio > 0:
+				args.Input = "-allowed_media_types audio "
+			}
+
+			args.Input += inputTemplate("rtsp", s, query)
+		default:
+			args.Input = "-i " + s
+		}
+	} else if streams.Get(s) != nil {
+		s = "rtsp://127.0.0.1:" + rtsp.Port + "/" + s
+		switch {
+		case args.Video > 0 && args.Audio == 0:
+			s += "?video"
+		case args.Audio > 0 && args.Video == 0:
+			s += "?audio"
+		default:
+			s += "?video&audio"
+		}
+		args.Input = inputTemplate("rtsp", s, query)
+	} else if strings.HasPrefix(s, "device?") {
+		var err error
+		args.Input, err = device.GetInput(s)
+		if err != nil {
+			return nil
+		}
+	} else {
+		args.Input = inputTemplate("file", s, query)
+	}
+
+	if query["async"] != nil {
+		args.Input = "-use_wallclock_as_timestamps 1 -async 1 " + args.Input
+	}
+
+	// Parse query params:
+	//   1. `width`/`height` params
+	//   2. `rotate` param
+	//   3. `video` params (support multiple)
+	//   4. `audio` params (support multiple)
+	//   5. `hardware` param
+	if query != nil {
+		// 1. Process raw params for FFmpeg
+		for _, raw := range query["raw"] {
+			// support templates https://github.com/AlexxIT/go2rtc/issues/487
+			raw = configTemplate(raw)
+			args.AddCodec(raw)
+		}
+
+		// 2. Process video filters (resize and rotation)
+		if query["width"] != nil || query["height"] != nil {
+			filter := "scale="
+			if query["width"] != nil {
+				filter += query["width"][0]
+			} else {
+				filter += "-1"
+			}
+			filter += ":"
+			if query["height"] != nil {
+				filter += query["height"][0]
+			} else {
+				filter += "-1"
+			}
+			args.AddFilter(filter)
+		}
+
+		if query["rotate"] != nil {
+			var filter string
+			switch query["rotate"][0] {
+			case "90":
+				filter = "transpose=1" // 90 degrees clockwise
+			case "180":
+				filter = "transpose=1,transpose=1"
+			case "-90", "270":
+				filter = "transpose=2" // 90 degrees counterclockwise
+			}
+			if filter != "" {
+				args.AddFilter(filter)
+			}
+		}
+
+		for _, drawtext := range query["drawtext"] {
+			// support templates https://github.com/AlexxIT/go2rtc/issues/487
+			drawtext = configTemplate(drawtext)
+
+			// support default timestamp format
+			if !strings.Contains(drawtext, "text=") {
+				drawtext += `:text='%{localtime\:%Y-%m-%d %X}'`
+			}
+
+			args.AddFilter("drawtext=" + drawtext)
+		}
+
+		// 3. Process video codecs
+		if args.Video > 0 {
+			for _, video := range query["video"] {
+				if video != "copy" {
+					if codec := defaults[video]; codec != "" {
+						args.AddCodec(codec)
+					} else {
+						args.AddCodec(video)
+					}
+				} else {
+					args.AddCodec("-c:v copy")
+				}
+			}
+		}
+
+		// 4. Process audio codecs
+		if args.Audio > 0 {
+			for _, audio := range query["audio"] {
+				if audio != "copy" {
+					if codec := defaults[audio]; codec != "" {
+						args.AddCodec(codec)
+					} else {
+						args.AddCodec(audio)
+					}
+				} else {
+					args.AddCodec("-c:a copy")
+				}
+			}
+		}
+
+		if query["hardware"] != nil {
+			hardware.MakeHardware(args, query["hardware"][0], defaults)
+		}
+	}
+
+	switch {
+	case args.Video == 0 && args.Audio == 0:
+		args.AddCodec("-c copy")
+	case args.Video == 0:
+		args.AddCodec("-vn")
+	case args.Audio == 0:
+		args.AddCodec("-an")
+	}
+
+	// transcoding to only mjpeg
+	if (args.Video == 1 && args.Audio == 0 && query.Get("video") == "mjpeg") ||
+		// no transcoding from mjpeg input
+		(args.Video == 0 && args.Audio == 0 && strings.Contains(args.Input, " mjpeg ")) {
+		args.Output = defaults["output/mjpeg"]
+	}
+
+	return args
+}

internal/ffmpeg/ffmpeg_test.go

@@ -0,0 +1,215 @@
+package ffmpeg
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestParseArgsFile(t *testing.T) {
+	// [FILE] all tracks will be copied without transcoding codecs
+	args := parseArgs("/media/bbb.mp4")
+	require.Equal(t, `ffmpeg -hide_banner -re -i /media/bbb.mp4 -c copy -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+
+	// [FILE] video will be transcoded to H264, audio will be skipped
+	args = parseArgs("/media/bbb.mp4#video=h264")
+	require.Equal(t, `ffmpeg -hide_banner -re -i /media/bbb.mp4 -c:v libx264 -g 50 -profile:v high -level:v 4.1 -preset:v superfast -tune:v zerolatency -pix_fmt:v yuv420p -an -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+
+	// [FILE] video will be copied, audio will be transcoded to pcmu
+	args = parseArgs("/media/bbb.mp4#video=copy#audio=pcmu")
+	require.Equal(t, `ffmpeg -hide_banner -re -i /media/bbb.mp4 -c:v copy -c:a pcm_mulaw -ar:a 8000 -ac:a 1 -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+
+	// [FILE] video will be transcoded to H265 and rotate 270º, audio will be skipped
+	args = parseArgs("/media/bbb.mp4#video=h265#rotate=-90")
+	require.Equal(t, `ffmpeg -hide_banner -re -i /media/bbb.mp4 -c:v libx265 -g 50 -profile:v main -level:v 5.1 -preset:v superfast -tune:v zerolatency -an -vf "transpose=2" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+
+	// [FILE] video will be output for MJPEG to pipe, audio will be skipped
+	args = parseArgs("/media/bbb.mp4#video=mjpeg")
+	require.Equal(t, `ffmpeg -hide_banner -re -i /media/bbb.mp4 -c:v mjpeg -an -f mjpeg -`, args.String())
+
+	// https://github.com/AlexxIT/go2rtc/issues/509
+	args = parseArgs("ffmpeg:test.mp4#raw=-ss 00:00:20")
+	require.Equal(t, `ffmpeg -hide_banner -re -i ffmpeg:test.mp4 -ss 00:00:20 -c copy -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+}
+
+func TestParseArgsDevice(t *testing.T) {
+	// [DEVICE] video will be output for MJPEG to pipe, with size 1920x1080
+	args := parseArgs("device?video=0&video_size=1920x1080")
+	require.Equal(t, `ffmpeg -hide_banner -f dshow -video_size 1920x1080 -i video="0" -c copy -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+
+	// [DEVICE] video will be transcoded to H265 with framerate 20, audio will be skipped
+	//args = parseArgs("device?video=0&video_size=1280x720&framerate=20#video=h265#audio=pcma")
+	args = parseArgs("device?video=0&framerate=20#video=h265#audio=pcma")
+	require.Equal(t, `ffmpeg -hide_banner -f dshow -framerate 20 -i video="0" -c:v libx265 -g 50 -profile:v main -level:v 5.1 -preset:v superfast -tune:v zerolatency -c:a pcm_alaw -ar:a 8000 -ac:a 1 -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+}
+
+func TestParseArgsIpCam(t *testing.T) {
+	// [HTTP] video will be copied
+	args := parseArgs("http://example.com")
+	require.Equal(t, `ffmpeg -hide_banner -fflags nobuffer -flags low_delay -i http://example.com -c copy -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+
+	// [HTTP-MJPEG] video will be transcoded to H264
+	args = parseArgs("http://example.com#video=h264")
+	require.Equal(t, `ffmpeg -hide_banner -fflags nobuffer -flags low_delay -i http://example.com -c:v libx264 -g 50 -profile:v high -level:v 4.1 -preset:v superfast -tune:v zerolatency -pix_fmt:v yuv420p -an -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+
+	// [HLS] video will be copied, audio will be skipped
+	args = parseArgs("https://example.com#video=copy")
+	require.Equal(t, `ffmpeg -hide_banner -fflags nobuffer -flags low_delay -i https://example.com -c:v copy -an -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+
+	// [RTSP] video will be copied without transcoding codecs
+	args = parseArgs("rtsp://example.com")
+	require.Equal(t, `ffmpeg -hide_banner -allowed_media_types video+audio -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp://example.com -c copy -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+
+	// [RTSP] video with resize to 1280x720, should be transcoded, so select H265
+	args = parseArgs("rtsp://example.com#video=h265#width=1280#height=720")
+	require.Equal(t, `ffmpeg -hide_banner -allowed_media_types video -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp://example.com -c:v libx265 -g 50 -profile:v main -level:v 5.1 -preset:v superfast -tune:v zerolatency -an -vf "scale=1280:720" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+
+	// [RTSP] video will be copied, changing RTSP transport from TCP to UDP+TCP
+	args = parseArgs("rtsp://example.com#input=rtsp/udp")
+	require.Equal(t, `ffmpeg -hide_banner -allowed_media_types video+audio -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -i rtsp://example.com -c copy -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+
+	// [RTMP] video will be copied, changing RTSP transport from TCP to UDP+TCP
+	args = parseArgs("rtmp://example.com#input=rtsp/udp")
+	require.Equal(t, `ffmpeg -hide_banner -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -i rtmp://example.com -c copy -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+}
+
+func TestParseArgsAudio(t *testing.T) {
+	// [AUDIO] audio will be transcoded to AAC, video will be skipped
+	args := parseArgs("rtsp:///example.com#audio=aac")
+	require.Equal(t, `ffmpeg -hide_banner -allowed_media_types audio -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp:///example.com -c:a aac -vn -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+
+	// [AUDIO] audio will be transcoded to AAC/16000, video will be skipped
+	args = parseArgs("rtsp:///example.com#audio=aac/16000")
+	require.Equal(t, `ffmpeg -hide_banner -allowed_media_types audio -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp:///example.com -c:a aac -ar:a 16000 -ac:a 1 -vn -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+
+	// [AUDIO] audio will be transcoded to OPUS, video will be skipped
+	args = parseArgs("rtsp:///example.com#audio=opus")
+	require.Equal(t, `ffmpeg -hide_banner -allowed_media_types audio -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp:///example.com -c:a libopus -application:a lowdelay -frame_duration 20 -min_comp 0 -vn -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+
+	// [AUDIO] audio will be transcoded to PCMU, video will be skipped
+	args = parseArgs("rtsp:///example.com#audio=pcmu")
+	require.Equal(t, `ffmpeg -hide_banner -allowed_media_types audio -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp:///example.com -c:a pcm_mulaw -ar:a 8000 -ac:a 1 -vn -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+
+	// [AUDIO] audio will be transcoded to PCMU/16000, video will be skipped
+	args = parseArgs("rtsp:///example.com#audio=pcmu/16000")
+	require.Equal(t, `ffmpeg -hide_banner -allowed_media_types audio -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp:///example.com -c:a pcm_mulaw -ar:a 16000 -ac:a 1 -vn -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+
+	// [AUDIO] audio will be transcoded to PCMU/48000, video will be skipped
+	args = parseArgs("rtsp:///example.com#audio=pcmu/48000")
+	require.Equal(t, `ffmpeg -hide_banner -allowed_media_types audio -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp:///example.com -c:a pcm_mulaw -ar:a 48000 -ac:a 1 -vn -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+
+	// [AUDIO] audio will be transcoded to PCMA, video will be skipped
+	args = parseArgs("rtsp:///example.com#audio=pcma")
+	require.Equal(t, `ffmpeg -hide_banner -allowed_media_types audio -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp:///example.com -c:a pcm_alaw -ar:a 8000 -ac:a 1 -vn -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+
+	// [AUDIO] audio will be transcoded to PCMA/16000, video will be skipped
+	args = parseArgs("rtsp:///example.com#audio=pcma/16000")
+	require.Equal(t, `ffmpeg -hide_banner -allowed_media_types audio -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp:///example.com -c:a pcm_alaw -ar:a 16000 -ac:a 1 -vn -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+
+	// [AUDIO] audio will be transcoded to PCMA/48000, video will be skipped
+	args = parseArgs("rtsp:///example.com#audio=pcma/48000")
+	require.Equal(t, `ffmpeg -hide_banner -allowed_media_types audio -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp:///example.com -c:a pcm_alaw -ar:a 48000 -ac:a 1 -vn -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+}
+
+func TestParseArgsHwVaapi(t *testing.T) {
+	// [HTTP-MJPEG] video will be transcoded to H264
+	args := parseArgs("http:///example.com#video=h264#hardware=vaapi")
+	require.Equal(t, `ffmpeg -hide_banner -hwaccel vaapi -hwaccel_output_format vaapi -hwaccel_flags allow_profile_mismatch -fflags nobuffer -flags low_delay -i http:///example.com -c:v h264_vaapi -g 50 -bf 0 -profile:v high -level:v 4.1 -sei:v 0 -an -vf "format=vaapi|nv12,hwupload,scale_vaapi=out_range=tv" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+
+	// [RTSP] video with rotation, should be transcoded, so select H264
+	args = parseArgs("rtsp://example.com#video=h264#rotate=180#hardware=vaapi")
+	require.Equal(t, `ffmpeg -hide_banner -hwaccel vaapi -hwaccel_output_format vaapi -hwaccel_flags allow_profile_mismatch -allowed_media_types video -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp://example.com -c:v h264_vaapi -g 50 -bf 0 -profile:v high -level:v 4.1 -sei:v 0 -an -vf "format=vaapi|nv12,hwupload,transpose_vaapi=4,scale_vaapi=out_range=tv" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+
+	// [RTSP] video with resize to 1280x720, should be transcoded, so select H265
+	args = parseArgs("rtsp://example.com#video=h265#width=1280#height=720#hardware=vaapi")
+	require.Equal(t, `ffmpeg -hide_banner -hwaccel vaapi -hwaccel_output_format vaapi -hwaccel_flags allow_profile_mismatch -allowed_media_types video -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp://example.com -c:v hevc_vaapi -g 50 -bf 0 -profile:v high -level:v 5.1 -sei:v 0 -an -vf "format=vaapi|nv12,hwupload,scale_vaapi=1280:720:out_range=tv" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+
+	// [FILE] video will be output for MJPEG to pipe, audio will be skipped
+	args = parseArgs("/media/bbb.mp4#video=mjpeg#hardware=vaapi")
+	require.Equal(t, `ffmpeg -hide_banner -hwaccel vaapi -hwaccel_output_format vaapi -hwaccel_flags allow_profile_mismatch -re -i /media/bbb.mp4 -c:v mjpeg_vaapi -an -vf "format=vaapi|nv12,hwupload,scale_vaapi=out_range=tv" -f mjpeg -`, args.String())
+
+	// [DEVICE] MJPEG video with size 1920x1080 will be transcoded to H265
+	args = parseArgs("device?video=0&video_size=1920x1080#video=h265#hardware=vaapi")
+	require.Equal(t, `ffmpeg -hide_banner -hwaccel vaapi -hwaccel_output_format vaapi -hwaccel_flags allow_profile_mismatch -f dshow -video_size 1920x1080 -i video="0" -c:v hevc_vaapi -g 50 -bf 0 -profile:v high -level:v 5.1 -sei:v 0 -an -vf "format=vaapi|nv12,hwupload,scale_vaapi=out_range=tv" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+}
+
+func TestParseArgsHwV4l2m2m(t *testing.T) {
+	// [HTTP-MJPEG] video will be transcoded to H264
+	args := parseArgs("http:///example.com#video=h264#hardware=v4l2m2m")
+	require.Equal(t, `ffmpeg -hide_banner -fflags nobuffer -flags low_delay -i http:///example.com -c:v h264_v4l2m2m -g 50 -bf 0 -an -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+
+	// [RTSP] video with rotation, should be transcoded, so select H264
+	args = parseArgs("rtsp://example.com#video=h264#rotate=180#hardware=v4l2m2m")
+	require.Equal(t, `ffmpeg -hide_banner -allowed_media_types video -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp://example.com -c:v h264_v4l2m2m -g 50 -bf 0 -an -vf "transpose=1,transpose=1" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+
+	// [RTSP] video with resize to 1280x720, should be transcoded, so select H265
+	args = parseArgs("rtsp://example.com#video=h265#width=1280#height=720#hardware=v4l2m2m")
+	require.Equal(t, `ffmpeg -hide_banner -allowed_media_types video -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp://example.com -c:v hevc_v4l2m2m -g 50 -bf 0 -an -vf "scale=1280:720" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+
+	// [DEVICE] MJPEG video with size 1920x1080 will be transcoded to H265
+	args = parseArgs("device?video=0&video_size=1920x1080#video=h265#hardware=v4l2m2m")
+	require.Equal(t, `ffmpeg -hide_banner -f dshow -video_size 1920x1080 -i video="0" -c:v hevc_v4l2m2m -g 50 -bf 0 -an -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+}
+
+func TestParseArgsHwCuda(t *testing.T) {
+	// [HTTP-MJPEG] video will be transcoded to H264
+	args := parseArgs("http:///example.com#video=h264#hardware=cuda")
+	require.Equal(t, `ffmpeg -hide_banner -hwaccel cuda -hwaccel_output_format cuda -fflags nobuffer -flags low_delay -i http:///example.com -c:v h264_nvenc -g 50 -bf 0 -profile:v high -level:v auto -preset:v p2 -tune:v ll -an -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+
+	// [RTSP] video with rotation, should be transcoded, so select H264
+	args = parseArgs("rtsp://example.com#video=h264#rotate=180#hardware=cuda")
+	require.Equal(t, `ffmpeg -hide_banner -hwaccel cuda -hwaccel_output_format nv12 -allowed_media_types video -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp://example.com -c:v h264_nvenc -g 50 -bf 0 -profile:v high -level:v auto -preset:v p2 -tune:v ll -an -vf "transpose=1,transpose=1,hwupload" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+
+	// [RTSP] video with resize to 1280x720, should be transcoded, so select H265
+	args = parseArgs("rtsp://example.com#video=h265#width=1280#height=720#hardware=cuda")
+	require.Equal(t, `ffmpeg -hide_banner -hwaccel cuda -hwaccel_output_format cuda -allowed_media_types video -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp://example.com -c:v hevc_nvenc -g 50 -bf 0 -profile:v high -level:v auto -an -vf "scale_cuda=1280:720" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+
+	// [DEVICE] MJPEG video with size 1920x1080 will be transcoded to H265
+	args = parseArgs("device?video=0&video_size=1920x1080#video=h265#hardware=cuda")
+	require.Equal(t, `ffmpeg -hide_banner -hwaccel cuda -hwaccel_output_format cuda -f dshow -video_size 1920x1080 -i video="0" -c:v hevc_nvenc -g 50 -bf 0 -profile:v high -level:v auto -an -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+}
+
+func TestParseArgsHwDxva2(t *testing.T) {
+	// [HTTP-MJPEG] video will be transcoded to H264
+	args := parseArgs("http:///example.com#video=h264#hardware=dxva2")
+	require.Equal(t, `ffmpeg -hide_banner -hwaccel dxva2 -hwaccel_output_format dxva2_vld -fflags nobuffer -flags low_delay -i http:///example.com -c:v h264_qsv -g 50 -bf 0 -profile:v high -level:v 4.1 -async_depth:v 1 -an -vf "hwmap=derive_device=qsv,format=qsv" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+
+	// [RTSP] video with rotation, should be transcoded, so select H264
+	args = parseArgs("rtsp://example.com#video=h264#rotate=180#hardware=dxva2")
+	require.Equal(t, `ffmpeg -hide_banner -hwaccel dxva2 -hwaccel_output_format dxva2_vld -allowed_media_types video -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp://example.com -c:v h264_qsv -g 50 -bf 0 -profile:v high -level:v 4.1 -async_depth:v 1 -an -vf "hwmap=derive_device=qsv,format=qsv,transpose=1,transpose=1" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+
+	// [RTSP] video with resize to 1280x720, should be transcoded, so select H265
+	args = parseArgs("rtsp://example.com#video=h265#width=1280#height=720#hardware=dxva2")
+	require.Equal(t, `ffmpeg -hide_banner -hwaccel dxva2 -hwaccel_output_format dxva2_vld -allowed_media_types video -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp://example.com -c:v hevc_qsv -g 50 -bf 0 -profile:v high -level:v 5.1 -async_depth:v 1 -an -vf "hwmap=derive_device=qsv,format=qsv,scale_qsv=1280:720" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+
+	// [FILE] video will be output for MJPEG to pipe, audio will be skipped
+	args = parseArgs("/media/bbb.mp4#video=mjpeg#hardware=dxva2")
+	require.Equal(t, `ffmpeg -hide_banner -hwaccel dxva2 -hwaccel_output_format dxva2_vld -re -i /media/bbb.mp4 -c:v mjpeg_qsv -profile:v high -level:v 5.1 -an -vf "hwmap=derive_device=qsv,format=qsv" -f mjpeg -`, args.String())
+
+	// [DEVICE] MJPEG video with size 1920x1080 will be transcoded to H265
+	args = parseArgs("device?video=0&video_size=1920x1080#video=h265#hardware=dxva2")
+	require.Equal(t, `ffmpeg -hide_banner -hwaccel dxva2 -hwaccel_output_format dxva2_vld -f dshow -video_size 1920x1080 -i video="0" -c:v hevc_qsv -g 50 -bf 0 -profile:v high -level:v 5.1 -async_depth:v 1 -an -vf "hwmap=derive_device=qsv,format=qsv" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+}
+
+func TestParseArgsHwVideotoolbox(t *testing.T) {
+	// [HTTP-MJPEG] video will be transcoded to H264
+	args := parseArgs("http:///example.com#video=h264#hardware=videotoolbox")
+	require.Equal(t, `ffmpeg -hide_banner -hwaccel videotoolbox -hwaccel_output_format videotoolbox_vld -fflags nobuffer -flags low_delay -i http:///example.com -c:v h264_videotoolbox -g 50 -bf 0 -profile:v high -level:v 4.1 -an -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+
+	// [RTSP] video with rotation, should be transcoded, so select H264
+	args = parseArgs("rtsp://example.com#video=h264#rotate=180#hardware=videotoolbox")
+	require.Equal(t, `ffmpeg -hide_banner -hwaccel videotoolbox -hwaccel_output_format videotoolbox_vld -allowed_media_types video -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp://example.com -c:v h264_videotoolbox -g 50 -bf 0 -profile:v high -level:v 4.1 -an -vf "transpose=1,transpose=1" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+
+	// [RTSP] video with resize to 1280x720, should be transcoded, so select H265
+	args = parseArgs("rtsp://example.com#video=h265#width=1280#height=720#hardware=videotoolbox")
+	require.Equal(t, `ffmpeg -hide_banner -hwaccel videotoolbox -hwaccel_output_format videotoolbox_vld -allowed_media_types video -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp://example.com -c:v hevc_videotoolbox -g 50 -bf 0 -profile:v high -level:v 5.1 -an -vf "scale=1280:720" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+
+	// [DEVICE] MJPEG video with size 1920x1080 will be transcoded to H265
+	args = parseArgs("device?video=0&video_size=1920x1080#video=h265#hardware=videotoolbox")
+	require.Equal(t, `ffmpeg -hide_banner -hwaccel videotoolbox -hwaccel_output_format videotoolbox_vld -f dshow -video_size 1920x1080 -i video="0" -c:v hevc_videotoolbox -g 50 -bf 0 -profile:v high -level:v 5.1 -an -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+}
+
+func TestDeckLink(t *testing.T) {
+	args := parseArgs(`DeckLink SDI (2)#video=h264#hardware=vaapi#input=-format_code Hp29 -f decklink -i "{input}"`)
+	require.Equal(t, `ffmpeg -hide_banner -hwaccel vaapi -hwaccel_output_format vaapi -hwaccel_flags allow_profile_mismatch -format_code Hp29 -f decklink -i "DeckLink SDI (2)" -c:v h264_vaapi -g 50 -bf 0 -profile:v high -level:v 4.1 -sei:v 0 -an -vf "format=vaapi|nv12,hwupload,scale_vaapi=out_range=tv" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+}

internal/ffmpeg/hardware/hardware.go

@@ -0,0 +1,176 @@
+package hardware
+
+import (
+	"net/http"
+	"os/exec"
+	"strings"
+
+	"github.com/AlexxIT/go2rtc/internal/api"
+	"github.com/AlexxIT/go2rtc/pkg/ffmpeg"
+
+	"github.com/rs/zerolog/log"
+)
+
+const (
+	EngineSoftware     = "software"
+	EngineVAAPI        = "vaapi"        // Intel iGPU and AMD GPU
+	EngineV4L2M2M      = "v4l2m2m"      // Raspberry Pi 3 and 4
+	EngineCUDA         = "cuda"         // NVidia on Windows and Linux
+	EngineDXVA2        = "dxva2"        // Intel on Windows
+	EngineVideoToolbox = "videotoolbox" // macOS
+)
+
+func Init(bin string) {
+	api.HandleFunc("api/ffmpeg/hardware", func(w http.ResponseWriter, r *http.Request) {
+		api.ResponseSources(w, ProbeAll(bin))
+	})
+}
+
+// MakeHardware converts software FFmpeg args to hardware args
+// empty engine for autoselect
+func MakeHardware(args *ffmpeg.Args, engine string, defaults map[string]string) {
+	for i, codec := range args.Codecs {
+		if len(codec) < 10 {
+			continue // skip short line (-c:v mjpeg...)
+		}
+
+		// get current codec name
+		name := cut(codec, ' ', 1)
+		switch name {
+		case "libx264":
+			name = "h264"
+		case "libx265":
+			name = "h265"
+		case "mjpeg":
+		default:
+			continue // skip unsupported codec
+		}
+
+		// temporary disable probe for H265
+		if engine == "" && name != "h265" {
+			if engine = cache[name]; engine == "" {
+				engine = ProbeHardware(args.Bin, name)
+				cache[name] = engine
+			}
+		}
+
+		switch engine {
+		case EngineVAAPI:
+			args.Codecs[i] = defaults[name+"/"+engine]
+
+			fixYCbCrRange(args)
+
+			if !args.HasFilters("drawtext=") {
+				args.Input = "-hwaccel vaapi -hwaccel_output_format vaapi -hwaccel_flags allow_profile_mismatch " + args.Input
+
+				for i, filter := range args.Filters {
+					if strings.HasPrefix(filter, "scale=") {
+						args.Filters[i] = "scale_vaapi=" + filter[6:]
+					}
+					if strings.HasPrefix(filter, "transpose=") {
+						if filter == "transpose=1,transpose=1" { // 180 degrees half-turn
+							args.Filters[i] = "transpose_vaapi=4" // reversal
+						} else {
+							args.Filters[i] = "transpose_vaapi=" + filter[10:]
+						}
+					}
+				}
+
+				// fix if input doesn't support hwaccel, do nothing when support
+				// insert as first filter before hardware scale and transpose
+				args.InsertFilter("format=vaapi|nv12,hwupload")
+			} else {
+				// enable software pixel for drawtext, scale and transpose
+				args.Input = "-hwaccel vaapi -hwaccel_output_format nv12 -hwaccel_flags allow_profile_mismatch " + args.Input
+
+				args.AddFilter("hwupload")
+			}
+
+		case EngineCUDA:
+			args.Codecs[i] = defaults[name+"/"+engine]
+
+			// CUDA doesn't support hardware transpose
+			// https://github.com/AlexxIT/go2rtc/issues/389
+			if !args.HasFilters("drawtext=", "transpose=") {
+				args.Input = "-hwaccel cuda -hwaccel_output_format cuda " + args.Input
+
+				for i, filter := range args.Filters {
+					if strings.HasPrefix(filter, "scale=") {
+						args.Filters[i] = "scale_cuda=" + filter[6:]
+					}
+				}
+			} else {
+				args.Input = "-hwaccel cuda -hwaccel_output_format nv12 " + args.Input
+
+				args.AddFilter("hwupload")
+			}
+
+		case EngineDXVA2:
+			args.Input = "-hwaccel dxva2 -hwaccel_output_format dxva2_vld " + args.Input
+			args.Codecs[i] = defaults[name+"/"+engine]
+
+			for i, filter := range args.Filters {
+				if strings.HasPrefix(filter, "scale=") {
+					args.Filters[i] = "scale_qsv=" + filter[6:]
+				}
+			}
+
+			args.InsertFilter("hwmap=derive_device=qsv,format=qsv")
+
+		case EngineVideoToolbox:
+			args.Input = "-hwaccel videotoolbox -hwaccel_output_format videotoolbox_vld " + args.Input
+			args.Codecs[i] = defaults[name+"/"+engine]
+
+		case EngineV4L2M2M:
+			args.Codecs[i] = defaults[name+"/"+engine]
+		}
+	}
+}
+
+var cache = map[string]string{}
+
+func run(bin string, args string) bool {
+	err := exec.Command(bin, strings.Split(args, " ")...).Run()
+	log.Printf("%v %v", args, err)
+	return err == nil
+}
+
+func runToString(bin string, args string) string {
+	if run(bin, args) {
+		return "OK"
+	} else {
+		return "ERROR"
+	}
+}
+
+func cut(s string, sep byte, pos int) string {
+	for n := 0; n < pos; n++ {
+		if i := strings.IndexByte(s, sep); i > 0 {
+			s = s[i+1:]
+		} else {
+			return ""
+		}
+	}
+	if i := strings.IndexByte(s, sep); i > 0 {
+		return s[:i]
+	}
+	return s
+}
+
+// fixYCbCrRange convert jpeg/pc range to mpeg/tv range
+// vaapi(pc, bt709, progressive) == yuvj420p (jpeg/full/pc)
+// vaapi(tv, bt709, progressive) == yuv420p (mpeg/limited/tv)
+// https://ffmpeg.org/ffmpeg-all.html#scale-1
+func fixYCbCrRange(args *ffmpeg.Args) {
+	for i, filter := range args.Filters {
+		if strings.HasPrefix(filter, "scale=") {
+			if !strings.Contains(filter, "out_range=") {
+				args.Filters[i] = filter + ":out_range=tv"
+			}
+			return
+		}
+	}
+
+	// scale=out_color_matrix=bt709:out_range=tv
+	args.Filters = append(args.Filters, "scale=out_range=tv")
+}

internal/ffmpeg/hardware/hardware_darwin.go

@@ -0,0 +1,37 @@
+package hardware
+
+import (
+	"github.com/AlexxIT/go2rtc/internal/api"
+)
+
+const ProbeVideoToolboxH264 = "-f lavfi -i testsrc2=size=svga -t 1 -c h264_videotoolbox -f null -"
+const ProbeVideoToolboxH265 = "-f lavfi -i testsrc2=size=svga -t 1 -c hevc_videotoolbox -f null -"
+
+func ProbeAll(bin string) []*api.Source {
+	return []*api.Source{
+		{
+			Name: runToString(bin, ProbeVideoToolboxH264),
+			URL:  "ffmpeg:...#video=h264#hardware=" + EngineVideoToolbox,
+		},
+		{
+			Name: runToString(bin, ProbeVideoToolboxH265),
+			URL:  "ffmpeg:...#video=h265#hardware=" + EngineVideoToolbox,
+		},
+	}
+}
+
+func ProbeHardware(bin, name string) string {
+	switch name {
+	case "h264":
+		if run(bin, ProbeVideoToolboxH264) {
+			return EngineVideoToolbox
+		}
+
+	case "h265":
+		if run(bin, ProbeVideoToolboxH265) {
+			return EngineVideoToolbox
+		}
+	}
+
+	return EngineSoftware
+}

internal/ffmpeg/hardware/hardware_linux.go

@@ -0,0 +1,95 @@
+package hardware
+
+import (
+	"runtime"
+
+	"github.com/AlexxIT/go2rtc/internal/api"
+)
+
+const ProbeV4L2M2MH264 = "-f lavfi -i testsrc2 -t 1 -c h264_v4l2m2m -f null -"
+const ProbeV4L2M2MH265 = "-f lavfi -i testsrc2 -t 1 -c hevc_v4l2m2m -f null -"
+const ProbeVAAPIH264 = "-init_hw_device vaapi -f lavfi -i testsrc2 -t 1 -vf format=nv12,hwupload -c h264_vaapi -f null -"
+const ProbeVAAPIH265 = "-init_hw_device vaapi -f lavfi -i testsrc2 -t 1 -vf format=nv12,hwupload -c hevc_vaapi -f null -"
+const ProbeVAAPIJPEG = "-init_hw_device vaapi -f lavfi -i testsrc2 -t 1 -vf format=nv12,hwupload -c mjpeg_vaapi -f null -"
+const ProbeCUDAH264 = "-init_hw_device cuda -f lavfi -i testsrc2 -t 1 -c h264_nvenc -f null -"
+const ProbeCUDAH265 = "-init_hw_device cuda -f lavfi -i testsrc2 -t 1 -c hevc_nvenc -f null -"
+
+func ProbeAll(bin string) []*api.Source {
+	if runtime.GOARCH == "arm64" || runtime.GOARCH == "arm" {
+		return []*api.Source{
+			{
+				Name: runToString(bin, ProbeV4L2M2MH264),
+				URL:  "ffmpeg:...#video=h264#hardware=" + EngineV4L2M2M,
+			},
+			{
+				Name: runToString(bin, ProbeV4L2M2MH265),
+				URL:  "ffmpeg:...#video=h265#hardware=" + EngineV4L2M2M,
+			},
+		}
+	}
+
+	return []*api.Source{
+		{
+			Name: runToString(bin, ProbeVAAPIH264),
+			URL:  "ffmpeg:...#video=h264#hardware=" + EngineVAAPI,
+		},
+		{
+			Name: runToString(bin, ProbeVAAPIH265),
+			URL:  "ffmpeg:...#video=h265#hardware=" + EngineVAAPI,
+		},
+		{
+			Name: runToString(bin, ProbeVAAPIJPEG),
+			URL:  "ffmpeg:...#video=mjpeg#hardware=" + EngineVAAPI,
+		},
+		{
+			Name: runToString(bin, ProbeCUDAH264),
+			URL:  "ffmpeg:...#video=h264#hardware=" + EngineCUDA,
+		},
+		{
+			Name: runToString(bin, ProbeCUDAH265),
+			URL:  "ffmpeg:...#video=h265#hardware=" + EngineCUDA,
+		},
+	}
+}
+
+func ProbeHardware(bin, name string) string {
+	if runtime.GOARCH == "arm64" || runtime.GOARCH == "arm" {
+		switch name {
+		case "h264":
+			if run(bin, ProbeV4L2M2MH264) {
+				return EngineV4L2M2M
+			}
+		case "h265":
+			if run(bin, ProbeV4L2M2MH265) {
+				return EngineV4L2M2M
+			}
+		}
+
+		return EngineSoftware
+	}
+
+	switch name {
+	case "h264":
+		if run(bin, ProbeCUDAH264) {
+			return EngineCUDA
+		}
+		if run(bin, ProbeVAAPIH264) {
+			return EngineVAAPI
+		}
+
+	case "h265":
+		if run(bin, ProbeCUDAH265) {
+			return EngineCUDA
+		}
+		if run(bin, ProbeVAAPIH265) {
+			return EngineVAAPI
+		}
+
+	case "mjpeg":
+		if run(bin, ProbeVAAPIJPEG) {
+			return EngineVAAPI
+		}
+	}
+
+	return EngineSoftware
+}

internal/ffmpeg/hardware/hardware_windows.go

@@ -0,0 +1,61 @@
+package hardware
+
+import "github.com/AlexxIT/go2rtc/internal/api"
+
+const ProbeDXVA2H264 = "-init_hw_device dxva2 -f lavfi -i testsrc2 -t 1 -c h264_qsv -f null -"
+const ProbeDXVA2H265 = "-init_hw_device dxva2 -f lavfi -i testsrc2 -t 1 -c hevc_qsv -f null -"
+const ProbeDXVA2JPEG = "-init_hw_device dxva2 -f lavfi -i testsrc2 -t 1 -c mjpeg_qsv -f null -"
+const ProbeCUDAH264 = "-init_hw_device cuda -f lavfi -i testsrc2 -t 1 -c h264_nvenc -f null -"
+const ProbeCUDAH265 = "-init_hw_device cuda -f lavfi -i testsrc2 -t 1 -c hevc_nvenc -f null -"
+
+func ProbeAll(bin string) []*api.Source {
+	return []*api.Source{
+		{
+			Name: runToString(bin, ProbeDXVA2H264),
+			URL:  "ffmpeg:...#video=h264#hardware=" + EngineDXVA2,
+		},
+		{
+			Name: runToString(bin, ProbeDXVA2H265),
+			URL:  "ffmpeg:...#video=h265#hardware=" + EngineDXVA2,
+		},
+		{
+			Name: runToString(bin, ProbeDXVA2JPEG),
+			URL:  "ffmpeg:...#video=mjpeg#hardware=" + EngineDXVA2,
+		},
+		{
+			Name: runToString(bin, ProbeCUDAH264),
+			URL:  "ffmpeg:...#video=h264#hardware=" + EngineCUDA,
+		},
+		{
+			Name: runToString(bin, ProbeCUDAH265),
+			URL:  "ffmpeg:...#video=h265#hardware=" + EngineCUDA,
+		},
+	}
+}
+
+func ProbeHardware(bin, name string) string {
+	switch name {
+	case "h264":
+		if run(bin, ProbeCUDAH264) {
+			return EngineCUDA
+		}
+		if run(bin, ProbeDXVA2H264) {
+			return EngineDXVA2
+		}
+
+	case "h265":
+		if run(bin, ProbeCUDAH265) {
+			return EngineCUDA
+		}
+		if run(bin, ProbeDXVA2H265) {
+			return EngineDXVA2
+		}
+
+	case "mjpeg":
+		if run(bin, ProbeDXVA2JPEG) {
+			return EngineDXVA2
+		}
+	}
+
+	return EngineSoftware
+}

internal/ffmpeg/jpeg.go

@@ -0,0 +1,83 @@
+package ffmpeg
+
+import (
+	"bytes"
+	"fmt"
+	"net/url"
+	"os/exec"
+
+	"github.com/AlexxIT/go2rtc/internal/ffmpeg/hardware"
+	"github.com/AlexxIT/go2rtc/pkg/core"
+	"github.com/AlexxIT/go2rtc/pkg/ffmpeg"
+	"github.com/AlexxIT/go2rtc/pkg/shell"
+)
+
+func JPEGWithQuery(b []byte, query url.Values) ([]byte, error) {
+	args := parseQuery(query)
+	return transcode(b, args.String())
+}
+
+func JPEGWithScale(b []byte, width, height int) ([]byte, error) {
+	args := defaultArgs()
+	args.AddFilter(fmt.Sprintf("scale=%d:%d", width, height))
+	return transcode(b, args.String())
+}
+
+func transcode(b []byte, args string) ([]byte, error) {
+	cmdArgs := shell.QuoteSplit(args)
+	cmd := exec.Command(cmdArgs[0], cmdArgs[1:]...)
+	cmd.Stdin = bytes.NewBuffer(b)
+	return cmd.Output()
+}
+
+func defaultArgs() *ffmpeg.Args {
+	return &ffmpeg.Args{
+		Bin:    defaults["bin"],
+		Global: defaults["global"],
+		Input:  "-i -",
+		Codecs: []string{defaults["mjpeg"]},
+		Output: defaults["output/mjpeg"],
+	}
+}
+
+func parseQuery(query url.Values) *ffmpeg.Args {
+	args := defaultArgs()
+
+	var width = -1
+	var height = -1
+	var r, hw string
+
+	for k, v := range query {
+		switch k {
+		case "width", "w":
+			width = core.Atoi(v[0])
+		case "height", "h":
+			height = core.Atoi(v[0])
+		case "rotate":
+			r = v[0]
+		case "hardware", "hw":
+			hw = v[0]
+		}
+	}
+
+	if width > 0 || height > 0 {
+		args.AddFilter(fmt.Sprintf("scale=%d:%d", width, height))
+	}
+
+	if r != "" {
+		switch r {
+		case "90":
+			args.AddFilter("transpose=1") // 90 degrees clockwise
+		case "180":
+			args.AddFilter("transpose=1,transpose=1")
+		case "-90", "270":
+			args.AddFilter("transpose=2") // 90 degrees counterclockwise
+		}
+	}
+
+	if hw != "" {
+		hardware.MakeHardware(args, hw, defaults)
+	}
+
+	return args
+}

internal/ffmpeg/jpeg_test.go

@@ -0,0 +1,23 @@
+package ffmpeg
+
+import (
+	"net/url"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestParseQuery(t *testing.T) {
+	args := parseQuery(nil)
+	require.Equal(t, `ffmpeg -hide_banner -i - -c:v mjpeg -f mjpeg -`, args.String())
+
+	query, err := url.ParseQuery("h=480")
+	require.Nil(t, err)
+	args = parseQuery(query)
+	require.Equal(t, `ffmpeg -hide_banner -i - -c:v mjpeg -vf "scale=-1:480" -f mjpeg -`, args.String())
+
+	query, err = url.ParseQuery("hw=vaapi")
+	require.Nil(t, err)
+	args = parseQuery(query)
+	require.Equal(t, `ffmpeg -hide_banner -hwaccel vaapi -hwaccel_output_format vaapi -i - -c:v mjpeg_vaapi -vf "format=vaapi|nv12,hwupload" -f mjpeg -`, args.String())
+}

internal/hass/api.go

@@ -0,0 +1,104 @@
+package hass
+
+import (
+	"encoding/base64"
+	"encoding/json"
+	"net"
+	"net/http"
+	"strings"
+
+	"github.com/AlexxIT/go2rtc/internal/api"
+	"github.com/AlexxIT/go2rtc/internal/streams"
+	"github.com/AlexxIT/go2rtc/internal/webrtc"
+)
+
+func apiOK(w http.ResponseWriter, r *http.Request) {
+	api.Response(w, `{"status":1,"payload":{}}`, api.MimeJSON)
+}
+
+func apiStream(w http.ResponseWriter, r *http.Request) {
+	switch {
+	// /stream/{id}/add
+	case strings.HasSuffix(r.RequestURI, "/add"):
+		var v addJSON
+		if err := json.NewDecoder(r.Body).Decode(&v); err != nil {
+			http.Error(w, err.Error(), http.StatusBadRequest)
+			return
+		}
+
+		// we can get three types of links:
+		// 1. link to go2rtc stream: rtsp://...:8554/{stream_name}
+		// 2. static link to Hass camera
+		// 3. dynamic link to Hass camera
+		if streams.Patch(v.Name, v.Channels.First.Url) != nil {
+			apiOK(w, r)
+		} else {
+			http.Error(w, "", http.StatusBadRequest)
+		}
+
+	// /stream/{id}/channel/0/webrtc
+	default:
+		i := strings.IndexByte(r.RequestURI[8:], '/')
+		if i <= 0 {
+			http.Error(w, "", http.StatusBadRequest)
+			return
+		}
+
+		name := r.RequestURI[8 : 8+i]
+		stream := streams.Get(name)
+		if stream == nil {
+			http.Error(w, api.StreamNotFound, http.StatusNotFound)
+			return
+		}
+
+		if err := r.ParseForm(); err != nil {
+			http.Error(w, err.Error(), http.StatusBadRequest)
+			return
+		}
+
+		s := r.FormValue("data")
+		offer, err := base64.StdEncoding.DecodeString(s)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusBadRequest)
+			return
+		}
+
+		s, err = webrtc.ExchangeSDP(stream, string(offer), "WebRTC/Hass sync", r.UserAgent())
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+
+		s = base64.StdEncoding.EncodeToString([]byte(s))
+		_, _ = w.Write([]byte(s))
+	}
+}
+
+func HassioAddr() string {
+	ints, _ := net.Interfaces()
+
+	for _, i := range ints {
+		if i.Name != "hassio" {
+			continue
+		}
+
+		addrs, _ := i.Addrs()
+		for _, addr := range addrs {
+			if addr, ok := addr.(*net.IPNet); ok {
+				return addr.IP.String()
+			}
+		}
+	}
+
+	return ""
+}
+
+type addJSON struct {
+	Name     string `json:"name"`
+	Channels struct {
+		First struct {
+			//Name string `json:"name"`
+			Url string `json:"url"`
+		} `json:"0"`
+	} `json:"channels"`
+}

internal/hass/hass.go

@@ -0,0 +1,218 @@
+package hass
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"os"
+	"path"
+	"sync"
+
+	"github.com/AlexxIT/go2rtc/internal/api"
+	"github.com/AlexxIT/go2rtc/internal/app"
+	"github.com/AlexxIT/go2rtc/internal/roborock"
+	"github.com/AlexxIT/go2rtc/internal/streams"
+	"github.com/AlexxIT/go2rtc/pkg/core"
+	"github.com/AlexxIT/go2rtc/pkg/hass"
+	"github.com/rs/zerolog"
+)
+
+func Init() {
+	var conf struct {
+		API struct {
+			Listen string `json:"listen"`
+		} `yaml:"api"`
+		Mod struct {
+			Config string `yaml:"config"`
+		} `yaml:"hass"`
+	}
+
+	app.LoadConfig(&conf)
+
+	log = app.GetLogger("hass")
+
+	// support API for https://www.home-assistant.io/integrations/rtsp_to_webrtc/
+	api.HandleFunc("/static", apiOK)
+	api.HandleFunc("/streams", apiOK)
+	api.HandleFunc("/stream/", apiStream)
+
+	streams.RedirectFunc("hass", func(url string) (string, error) {
+		if location := entities[url[5:]]; location != "" {
+			return location, nil
+		}
+
+		return "", nil
+	})
+
+	streams.HandleFunc("hass", func(url string) (core.Producer, error) {
+		// support hass://supervisor?entity_id=camera.driveway_doorbell
+		client, err := hass.NewClient(url)
+		if err != nil {
+			return nil, err
+		}
+
+		return client, nil
+	})
+
+	// load static entries from Hass config
+	if err := importConfig(conf.Mod.Config); err != nil {
+		log.Debug().Msgf("[hass] can't import config: %s", err)
+
+		api.HandleFunc("api/hass", func(w http.ResponseWriter, _ *http.Request) {
+			http.Error(w, "no hass config", http.StatusNotFound)
+		})
+		return
+	}
+
+	api.HandleFunc("api/hass", func(w http.ResponseWriter, _ *http.Request) {
+		once.Do(func() {
+			// load WebRTC entities from Hass API, works only for add-on version
+			if token := hass.SupervisorToken(); token != "" {
+				if err := importWebRTC(token); err != nil {
+					log.Warn().Err(err).Caller().Send()
+				}
+			}
+		})
+
+		var items []*api.Source
+		for name, url := range entities {
+			items = append(items, &api.Source{
+				Name: name, URL: "hass:" + name, Location: url,
+			})
+		}
+		api.ResponseSources(w, items)
+	})
+
+	// for Addon listen on hassio interface, so WebUI feature will work
+	if conf.API.Listen == "127.0.0.1:1984" {
+		if addr := HassioAddr(); addr != "" {
+			addr += ":1984"
+			go func() {
+				log.Info().Str("addr", addr).Msg("[hass] listen")
+				if err := http.ListenAndServe(addr, api.Handler); err != nil {
+					log.Error().Err(err).Caller().Send()
+				}
+			}()
+		}
+	}
+}
+
+func importConfig(config string) error {
+	// support load cameras from Hass config file
+	filename := path.Join(config, ".storage/core.config_entries")
+	b, err := os.ReadFile(filename)
+	if err != nil {
+		return err
+	}
+
+	var storage struct {
+		Data struct {
+			Entries []struct {
+				Title   string          `json:"title"`
+				Domain  string          `json:"domain"`
+				Data    json.RawMessage `json:"data"`
+				Options json.RawMessage `json:"options"`
+			} `json:"entries"`
+		} `json:"data"`
+	}
+
+	if err = json.Unmarshal(b, &storage); err != nil {
+		return err
+	}
+
+	for _, entrie := range storage.Data.Entries {
+		switch entrie.Domain {
+		case "generic":
+			var options struct {
+				StreamSource string `json:"stream_source"`
+			}
+			if err = json.Unmarshal(entrie.Options, &options); err != nil {
+				continue
+			}
+			entities[entrie.Title] = options.StreamSource
+
+		case "homekit_controller":
+			if !bytes.Contains(entrie.Data, []byte("iOSPairingId")) {
+				continue
+			}
+
+			var data struct {
+				ClientID      string `json:"iOSPairingId"`
+				ClientPrivate string `json:"iOSDeviceLTSK"`
+				ClientPublic  string `json:"iOSDeviceLTPK"`
+				DeviceID      string `json:"AccessoryPairingID"`
+				DevicePublic  string `json:"AccessoryLTPK"`
+				DeviceHost    string `json:"AccessoryIP"`
+				DevicePort    uint16 `json:"AccessoryPort"`
+			}
+			if err = json.Unmarshal(entrie.Data, &data); err != nil {
+				continue
+			}
+			entities[entrie.Title] = fmt.Sprintf(
+				"homekit://%s:%d?client_id=%s&client_private=%s%s&device_id=%s&device_public=%s",
+				data.DeviceHost, data.DevicePort,
+				data.ClientID, data.ClientPrivate, data.ClientPublic,
+				data.DeviceID, data.DevicePublic,
+			)
+
+		case "roborock":
+			_ = json.Unmarshal(entrie.Data, &roborock.Auth)
+
+		case "onvif":
+			var data struct {
+				Host     string `json:"host" json:"host"`
+				Port     uint16 `json:"port" json:"port"`
+				Username string `json:"username" json:"username"`
+				Password string `json:"password" json:"password"`
+			}
+			if err = json.Unmarshal(entrie.Data, &data); err != nil {
+				continue
+			}
+
+			if data.Username != "" && data.Password != "" {
+				entities[entrie.Title] = fmt.Sprintf(
+					"onvif://%s:%s@%s:%d", data.Username, data.Password, data.Host, data.Port,
+				)
+			} else {
+				entities[entrie.Title] = fmt.Sprintf("onvif://%s:%d", data.Host, data.Port)
+			}
+
+		default:
+			continue
+		}
+
+		log.Debug().Str("url", "hass:"+entrie.Title).Msg("[hass] load config")
+		//streams.Get("hass:" + entrie.Title)
+	}
+
+	return nil
+}
+
+func importWebRTC(token string) error {
+	hassAPI, err := hass.NewAPI("ws://supervisor/core/websocket", token)
+	if err != nil {
+		return err
+	}
+
+	webrtcEntities, err := hassAPI.GetWebRTCEntities()
+	if err != nil {
+		return err
+	}
+
+	if len(webrtcEntities) == 0 {
+		log.Debug().Msg("[hass] webrtc cameras not found")
+	}
+
+	for name, entityID := range webrtcEntities {
+		entities[name] = "hass://supervisor?entity_id=" + entityID
+
+		log.Debug().Msgf("[hass] load webrtc name=%s entity_id=%s", name, entityID)
+	}
+
+	return nil
+}
+
+var entities = map[string]string{}
+var log zerolog.Logger
+var once sync.Once

internal/hls/README.md

@@ -0,0 +1,3 @@
+## Useful links
+
+- https://walterebert.com/playground/video/hls/

internal/hls/hls.go

@@ -0,0 +1,220 @@
+package hls
+
+import (
+	"net/http"
+	"sync"
+	"time"
+
+	"github.com/AlexxIT/go2rtc/internal/api"
+	"github.com/AlexxIT/go2rtc/internal/api/ws"
+	"github.com/AlexxIT/go2rtc/internal/app"
+	"github.com/AlexxIT/go2rtc/internal/streams"
+	"github.com/AlexxIT/go2rtc/pkg/core"
+	"github.com/AlexxIT/go2rtc/pkg/mp4"
+	"github.com/AlexxIT/go2rtc/pkg/mpegts"
+	"github.com/AlexxIT/go2rtc/pkg/tcp"
+	"github.com/rs/zerolog"
+)
+
+func Init() {
+	log = app.GetLogger("hls")
+
+	api.HandleFunc("api/stream.m3u8", handlerStream)
+	api.HandleFunc("api/hls/playlist.m3u8", handlerPlaylist)
+
+	// HLS (TS)
+	api.HandleFunc("api/hls/segment.ts", handlerSegmentTS)
+
+	// HLS (fMP4)
+	api.HandleFunc("api/hls/init.mp4", handlerInit)
+	api.HandleFunc("api/hls/segment.m4s", handlerSegmentMP4)
+
+	ws.HandleFunc("hls", handlerWSHLS)
+}
+
+var log zerolog.Logger
+
+const keepalive = 5 * time.Second
+
+// once I saw 404 on MP4 segment, so better to use mutex
+var sessions = map[string]*Session{}
+var sessionsMu sync.RWMutex
+
+func handlerStream(w http.ResponseWriter, r *http.Request) {
+	// CORS important for Chromecast
+	w.Header().Set("Access-Control-Allow-Origin", "*")
+	w.Header().Set("Content-Type", "application/vnd.apple.mpegurl")
+
+	if r.Method == "OPTIONS" {
+		w.Header().Set("Access-Control-Allow-Methods", "GET")
+		return
+	}
+
+	src := r.URL.Query().Get("src")
+	stream := streams.Get(src)
+	if stream == nil {
+		http.Error(w, api.StreamNotFound, http.StatusNotFound)
+		return
+	}
+
+	var cons core.Consumer
+
+	// use fMP4 with codecs filter and TS without
+	medias := mp4.ParseQuery(r.URL.Query())
+	if medias != nil {
+		c := mp4.NewConsumer(medias)
+		c.Type = "HLS/fMP4 consumer"
+		c.RemoteAddr = tcp.RemoteAddr(r)
+		c.UserAgent = r.UserAgent()
+		cons = c
+	} else {
+		c := mpegts.NewConsumer()
+		c.Type = "HLS/TS consumer"
+		c.RemoteAddr = tcp.RemoteAddr(r)
+		c.UserAgent = r.UserAgent()
+		cons = c
+	}
+
+	if err := stream.AddConsumer(cons); err != nil {
+		log.Error().Err(err).Caller().Send()
+		return
+	}
+
+	session := NewSession(cons)
+	session.alive = time.AfterFunc(keepalive, func() {
+		sessionsMu.Lock()
+		delete(sessions, session.id)
+		sessionsMu.Unlock()
+
+		stream.RemoveConsumer(cons)
+	})
+
+	sessionsMu.Lock()
+	sessions[session.id] = session
+	sessionsMu.Unlock()
+
+	go session.Run()
+
+	if _, err := w.Write(session.Main()); err != nil {
+		log.Error().Err(err).Caller().Send()
+	}
+}
+
+func handlerPlaylist(w http.ResponseWriter, r *http.Request) {
+	w.Header().Set("Access-Control-Allow-Origin", "*")
+	w.Header().Set("Content-Type", "application/vnd.apple.mpegurl")
+
+	if r.Method == "OPTIONS" {
+		w.Header().Set("Access-Control-Allow-Methods", "GET")
+		return
+	}
+
+	sid := r.URL.Query().Get("id")
+	sessionsMu.RLock()
+	session := sessions[sid]
+	sessionsMu.RUnlock()
+	if session == nil {
+		http.NotFound(w, r)
+		return
+	}
+
+	if _, err := w.Write(session.Playlist()); err != nil {
+		log.Error().Err(err).Caller().Send()
+	}
+}
+
+func handlerSegmentTS(w http.ResponseWriter, r *http.Request) {
+	w.Header().Set("Access-Control-Allow-Origin", "*")
+	w.Header().Set("Content-Type", "video/mp2t")
+
+	if r.Method == "OPTIONS" {
+		w.Header().Set("Access-Control-Allow-Methods", "GET")
+		return
+	}
+
+	sid := r.URL.Query().Get("id")
+	sessionsMu.RLock()
+	session := sessions[sid]
+	sessionsMu.RUnlock()
+	if session == nil {
+		http.NotFound(w, r)
+		return
+	}
+
+	session.alive.Reset(keepalive)
+
+	data := session.Segment()
+	if data == nil {
+		log.Warn().Msgf("[hls] can't get segment %s", r.URL.RawQuery)
+		http.NotFound(w, r)
+		return
+	}
+
+	if _, err := w.Write(data); err != nil {
+		log.Error().Err(err).Caller().Send()
+	}
+}
+
+func handlerInit(w http.ResponseWriter, r *http.Request) {
+	w.Header().Set("Access-Control-Allow-Origin", "*")
+	w.Header().Add("Content-Type", "video/mp4")
+
+	if r.Method == "OPTIONS" {
+		w.Header().Set("Access-Control-Allow-Methods", "GET")
+		return
+	}
+
+	sid := r.URL.Query().Get("id")
+	sessionsMu.RLock()
+	session := sessions[sid]
+	sessionsMu.RUnlock()
+	if session == nil {
+		http.NotFound(w, r)
+		return
+	}
+
+	data := session.Init()
+	if data == nil {
+		log.Warn().Msgf("[hls] can't get init %s", r.URL.RawQuery)
+		http.NotFound(w, r)
+		return
+	}
+
+	if _, err := w.Write(data); err != nil {
+		log.Error().Err(err).Caller().Send()
+	}
+}
+
+func handlerSegmentMP4(w http.ResponseWriter, r *http.Request) {
+	w.Header().Set("Access-Control-Allow-Origin", "*")
+	w.Header().Add("Content-Type", "video/iso.segment")
+
+	if r.Method == "OPTIONS" {
+		w.Header().Set("Access-Control-Allow-Methods", "GET")
+		return
+	}
+
+	query := r.URL.Query()
+
+	sid := query.Get("id")
+	sessionsMu.RLock()
+	session := sessions[sid]
+	sessionsMu.RUnlock()
+	if session == nil {
+		http.NotFound(w, r)
+		return
+	}
+
+	session.alive.Reset(keepalive)
+
+	data := session.Segment()
+	if data == nil {
+		log.Warn().Msgf("[hls] can't get segment %s", r.URL.RawQuery)
+		http.NotFound(w, r)
+		return
+	}
+
+	if _, err := w.Write(data); err != nil {
+		log.Error().Err(err).Caller().Send()
+	}
+}

internal/hls/session.go

@@ -0,0 +1,127 @@
+package hls
+
+import (
+	"fmt"
+	"io"
+	"strings"
+	"sync"
+	"time"
+
+	"github.com/AlexxIT/go2rtc/pkg/core"
+	"github.com/AlexxIT/go2rtc/pkg/mp4"
+)
+
+type Session struct {
+	cons     core.Consumer
+	id       string
+	template string
+	init     []byte
+	buffer   []byte
+	seq      int
+	alive    *time.Timer
+	mu       sync.Mutex
+}
+
+func NewSession(cons core.Consumer) *Session {
+	s := &Session{
+		id:   core.RandString(8, 62),
+		cons: cons,
+	}
+
+	// two segments important for Chromecast
+	if _, ok := cons.(*mp4.Consumer); ok {
+		s.template = `#EXTM3U
+#EXT-X-VERSION:6
+#EXT-X-TARGETDURATION:1
+#EXT-X-MEDIA-SEQUENCE:%d
+#EXT-X-MAP:URI="init.mp4?id=` + s.id + `"
+#EXTINF:0.500,
+segment.m4s?id=` + s.id + `&n=%d
+#EXTINF:0.500,
+segment.m4s?id=` + s.id + `&n=%d`
+	} else {
+		s.template = `#EXTM3U
+#EXT-X-VERSION:3
+#EXT-X-TARGETDURATION:1
+#EXT-X-MEDIA-SEQUENCE:%d
+#EXTINF:0.500,
+segment.ts?id=` + s.id + `&n=%d
+#EXTINF:0.500,
+segment.ts?id=` + s.id + `&n=%d`
+	}
+
+	return s
+}
+
+func (s *Session) Write(p []byte) (n int, err error) {
+	s.mu.Lock()
+	if s.init == nil {
+		s.init = p
+	} else {
+		s.buffer = append(s.buffer, p...)
+	}
+	s.mu.Unlock()
+	return len(p), nil
+}
+
+func (s *Session) Run() {
+	_, _ = s.cons.(io.WriterTo).WriteTo(s)
+}
+
+func (s *Session) Main() []byte {
+	type withCodecs interface {
+		Codecs() []*core.Codec
+	}
+
+	codecs := mp4.MimeCodecs(s.cons.(withCodecs).Codecs())
+	codecs = strings.Replace(codecs, mp4.MimeFlac, "fLaC", 1)
+
+	// bandwidth important for Safari, codecs useful for smooth playback
+	return []byte(`#EXTM3U
+#EXT-X-STREAM-INF:BANDWIDTH=192000,CODECS="` + codecs + `"
+hls/playlist.m3u8?id=` + s.id)
+}
+
+func (s *Session) Playlist() []byte {
+	return []byte(fmt.Sprintf(s.template, s.seq, s.seq, s.seq+1))
+}
+
+func (s *Session) Init() (init []byte) {
+	for i := 0; i < 60 && init == nil; i++ {
+		if i > 0 {
+			time.Sleep(50 * time.Millisecond)
+		}
+
+		s.mu.Lock()
+		// return init only when have some buffer
+		if len(s.buffer) > 0 {
+			init = s.init
+		}
+		s.mu.Unlock()
+	}
+
+	return
+}
+
+func (s *Session) Segment() (segment []byte) {
+	for i := 0; i < 60 && segment == nil; i++ {
+		if i > 0 {
+			time.Sleep(50 * time.Millisecond)
+		}
+
+		s.mu.Lock()
+		if len(s.buffer) > 0 {
+			segment = s.buffer
+			if _, ok := s.cons.(*mp4.Consumer); ok {
+				s.buffer = nil
+			} else {
+				// for TS important to start new segment with init
+				s.buffer = s.init
+			}
+			s.seq++
+		}
+		s.mu.Unlock()
+	}
+
+	return
+}

internal/hls/ws.go

@@ -0,0 +1,54 @@
+package hls
+
+import (
+	"errors"
+	"time"
+
+	"github.com/AlexxIT/go2rtc/internal/api"
+	"github.com/AlexxIT/go2rtc/internal/api/ws"
+	"github.com/AlexxIT/go2rtc/internal/streams"
+	"github.com/AlexxIT/go2rtc/pkg/mp4"
+	"github.com/AlexxIT/go2rtc/pkg/tcp"
+)
+
+func handlerWSHLS(tr *ws.Transport, msg *ws.Message) error {
+	stream := streams.GetOrPatch(tr.Request.URL.Query())
+	if stream == nil {
+		return errors.New(api.StreamNotFound)
+	}
+
+	codecs := msg.String()
+	medias := mp4.ParseCodecs(codecs, true)
+	cons := mp4.NewConsumer(medias)
+	cons.Type = "HLS/fMP4 consumer"
+	cons.RemoteAddr = tcp.RemoteAddr(tr.Request)
+	cons.UserAgent = tr.Request.UserAgent()
+
+	log.Trace().Msgf("[hls] new ws consumer codecs=%s", codecs)
+
+	if err := stream.AddConsumer(cons); err != nil {
+		log.Error().Err(err).Caller().Send()
+		return err
+	}
+
+	session := NewSession(cons)
+
+	session.alive = time.AfterFunc(keepalive, func() {
+		sessionsMu.Lock()
+		delete(sessions, session.id)
+		sessionsMu.Unlock()
+
+		stream.RemoveConsumer(cons)
+	})
+
+	sessionsMu.Lock()
+	sessions[session.id] = session
+	sessionsMu.Unlock()
+
+	go session.Run()
+
+	main := session.Main()
+	tr.Write(&ws.Message{Type: "hls", Value: string(main)})
+
+	return nil
+}

internal/homekit/api.go

@@ -0,0 +1,139 @@
+package homekit
+
+import (
+	"errors"
+	"fmt"
+	"net/http"
+	"net/url"
+	"strings"
+
+	"github.com/AlexxIT/go2rtc/internal/api"
+	"github.com/AlexxIT/go2rtc/internal/app"
+	"github.com/AlexxIT/go2rtc/internal/streams"
+	"github.com/AlexxIT/go2rtc/pkg/hap"
+	"github.com/AlexxIT/go2rtc/pkg/mdns"
+)
+
+func apiHandler(w http.ResponseWriter, r *http.Request) {
+	switch r.Method {
+	case "GET":
+		sources, err := discovery()
+		if err != nil {
+			api.Error(w, err)
+			return
+		}
+
+		urls := findHomeKitURLs()
+		for id, u := range urls {
+			deviceID := u.Query().Get("device_id")
+			for _, source := range sources {
+				if strings.Contains(source.URL, deviceID) {
+					source.Location = id
+					break
+				}
+			}
+		}
+
+		for _, source := range sources {
+			if source.Location == "" {
+				source.Location = " "
+			}
+		}
+
+		api.ResponseSources(w, sources)
+
+	case "POST":
+		if err := r.ParseMultipartForm(1024); err != nil {
+			api.Error(w, err)
+			return
+		}
+
+		if err := apiPair(r.Form.Get("id"), r.Form.Get("url")); err != nil {
+			api.Error(w, err)
+		}
+
+	case "DELETE":
+		if err := r.ParseMultipartForm(1024); err != nil {
+			api.Error(w, err)
+			return
+		}
+
+		if err := apiUnpair(r.Form.Get("id")); err != nil {
+			api.Error(w, err)
+		}
+	}
+}
+
+func discovery() ([]*api.Source, error) {
+	var sources []*api.Source
+
+	// 1. Get streams from Discovery
+	err := mdns.Discovery(mdns.ServiceHAP, func(entry *mdns.ServiceEntry) bool {
+		log.Trace().Msgf("[homekit] mdns=%s", entry)
+
+		category := entry.Info[hap.TXTCategory]
+		if entry.Complete() && (category == hap.CategoryCamera || category == hap.CategoryDoorbell) {
+			source := &api.Source{
+				Name: entry.Name,
+				Info: entry.Info[hap.TXTModel],
+				URL: fmt.Sprintf(
+					"homekit://%s:%d?device_id=%s&feature=%s&status=%s",
+					entry.IP, entry.Port, entry.Info[hap.TXTDeviceID],
+					entry.Info[hap.TXTFeatureFlags], entry.Info[hap.TXTStatusFlags],
+				),
+			}
+
+			sources = append(sources, source)
+		}
+		return false
+	})
+
+	if err != nil {
+		return nil, err
+	}
+
+	return sources, nil
+}
+
+func apiPair(id, url string) error {
+	conn, err := hap.Pair(url)
+	if err != nil {
+		return err
+	}
+
+	streams.New(id, conn.URL())
+
+	return app.PatchConfig(id, conn.URL(), "streams")
+}
+
+func apiUnpair(id string) error {
+	stream := streams.Get(id)
+	if stream == nil {
+		return errors.New(api.StreamNotFound)
+	}
+
+	rawURL := findHomeKitURL(stream)
+	if rawURL == "" {
+		return errors.New("not homekit source")
+	}
+
+	if err := hap.Unpair(rawURL); err != nil {
+		return err
+	}
+
+	streams.Delete(id)
+
+	return app.PatchConfig(id, nil, "streams")
+}
+
+func findHomeKitURLs() map[string]*url.URL {
+	urls := map[string]*url.URL{}
+	for id, stream := range streams.Streams() {
+		if rawURL := findHomeKitURL(stream); rawURL != "" {
+			if u, err := url.Parse(rawURL); err == nil {
+				urls[id] = u
+			}
+		}
+	}
+	return urls
+}

internal/homekit/homekit.go

@@ -0,0 +1,197 @@
+package homekit
+
+import (
+	"io"
+	"net"
+	"net/http"
+	"strings"
+
+	"github.com/AlexxIT/go2rtc/internal/api"
+	"github.com/AlexxIT/go2rtc/internal/app"
+	"github.com/AlexxIT/go2rtc/internal/srtp"
+	"github.com/AlexxIT/go2rtc/internal/streams"
+	"github.com/AlexxIT/go2rtc/pkg/core"
+	"github.com/AlexxIT/go2rtc/pkg/hap"
+	"github.com/AlexxIT/go2rtc/pkg/hap/camera"
+	"github.com/AlexxIT/go2rtc/pkg/homekit"
+	"github.com/AlexxIT/go2rtc/pkg/mdns"
+	"github.com/rs/zerolog"
+)
+
+func Init() {
+	var cfg struct {
+		Mod map[string]struct {
+			Pin           string   `json:"pin"`
+			Name          string   `json:"name"`
+			DeviceID      string   `json:"device_id"`
+			DevicePrivate string   `json:"device_private"`
+			Pairings      []string `json:"pairings"`
+			//Listen        string   `json:"listen"`
+		} `yaml:"homekit"`
+	}
+	app.LoadConfig(&cfg)
+
+	log = app.GetLogger("homekit")
+
+	streams.HandleFunc("homekit", streamHandler)
+
+	api.HandleFunc("api/homekit", apiHandler)
+
+	if cfg.Mod == nil {
+		return
+	}
+
+	servers = map[string]*server{}
+	var entries []*mdns.ServiceEntry
+
+	for id, conf := range cfg.Mod {
+		stream := streams.Get(id)
+		if stream == nil {
+			log.Warn().Msgf("[homekit] missing stream: %s", id)
+			continue
+		}
+
+		if conf.Pin == "" {
+			conf.Pin = "19550224" // default PIN
+		}
+
+		pin, err := hap.SanitizePin(conf.Pin)
+		if err != nil {
+			log.Error().Err(err).Caller().Send()
+			continue
+		}
+
+		deviceID := calcDeviceID(conf.DeviceID, id) // random MAC-address
+		name := calcName(conf.Name, deviceID)
+
+		srv := &server{
+			stream:   id,
+			srtp:     srtp.Server,
+			pairings: conf.Pairings,
+		}
+
+		srv.hap = &hap.Server{
+			Pin:           pin,
+			DeviceID:      deviceID,
+			DevicePrivate: calcDevicePrivate(conf.DevicePrivate, id),
+			GetPair:       srv.GetPair,
+			AddPair:       srv.AddPair,
+			Handler:       homekit.ServerHandler(srv),
+		}
+
+		if url := findHomeKitURL(stream); url != "" {
+			// 1. Act as transparent proxy for HomeKit camera
+			dial := func() (net.Conn, error) {
+				client, err := homekit.Dial(url, srtp.Server)
+				if err != nil {
+					return nil, err
+				}
+				return client.Conn(), nil
+			}
+			srv.hap.Handler = homekit.ProxyHandler(srv, dial)
+		} else {
+			// 2. Act as basic HomeKit camera
+			srv.accessory = camera.NewAccessory("AlexxIT", "go2rtc", name, "-", app.Version)
+			srv.hap.Handler = homekit.ServerHandler(srv)
+		}
+
+		srv.mdns = &mdns.ServiceEntry{
+			Name: name,
+			Port: uint16(api.Port()),
+			Info: map[string]string{
+				hap.TXTConfigNumber: "1",
+				hap.TXTFeatureFlags: "0",
+				hap.TXTDeviceID:     deviceID,
+				hap.TXTModel:        app.UserAgent,
+				hap.TXTProtoVersion: "1.1",
+				hap.TXTStateNumber:  "1",
+				hap.TXTStatusFlags:  hap.StatusNotPaired,
+				hap.TXTCategory:     hap.CategoryCamera,
+				hap.TXTSetupHash:    srv.hap.SetupHash(),
+			},
+		}
+		entries = append(entries, srv.mdns)
+
+		srv.UpdateStatus()
+
+		host := srv.mdns.Host(mdns.ServiceHAP)
+		servers[host] = srv
+	}
+
+	api.HandleFunc(hap.PathPairSetup, hapPairSetup)
+	api.HandleFunc(hap.PathPairVerify, hapPairVerify)
+
+	log.Trace().Msgf("[homekit] mnds: %s", entries)
+
+	go func() {
+		if err := mdns.Serve(mdns.ServiceHAP, entries); err != nil {
+			log.Error().Err(err).Caller().Send()
+		}
+	}()
+}
+
+var log zerolog.Logger
+var servers map[string]*server
+
+func streamHandler(url string) (core.Producer, error) {
+	return homekit.Dial(url, srtp.Server)
+}
+
+func hapPairSetup(w http.ResponseWriter, r *http.Request) {
+	srv, ok := servers[r.Host]
+	if !ok {
+		log.Error().Msg("[homekit] unknown host: " + r.Host)
+		return
+	}
+
+	conn, rw, err := w.(http.Hijacker).Hijack()
+	if err != nil {
+		return
+	}
+
+	defer conn.Close()
+
+	if err = srv.hap.PairSetup(r, rw, conn); err != nil {
+		log.Error().Err(err).Caller().Send()
+	}
+}
+
+func hapPairVerify(w http.ResponseWriter, r *http.Request) {
+	srv, ok := servers[r.Host]
+	if !ok {
+		log.Error().Msg("[homekit] unknown host: " + r.Host)
+		return
+	}
+
+	conn, rw, err := w.(http.Hijacker).Hijack()
+	if err != nil {
+		return
+	}
+
+	defer conn.Close()
+
+	if err = srv.hap.PairVerify(r, rw, conn); err != nil && err != io.EOF {
+		log.Error().Err(err).Caller().Send()
+	}
+}
+
+func findHomeKitURL(stream *streams.Stream) string {
+	sources := stream.Sources()
+	if len(sources) == 0 {
+		return ""
+	}
+
+	url := sources[0]
+	if strings.HasPrefix(url, "homekit") {
+		return url
+	}
+
+	if strings.HasPrefix(url, "hass") {
+		location, _ := streams.Location(url)
+		if strings.HasPrefix(location, "homekit") {
+			return url
+		}
+	}
+
+	return ""
+}

internal/homekit/server.go

@@ -0,0 +1,265 @@
+package homekit
+
+import (
+	"crypto/ed25519"
+	"crypto/sha512"
+	"encoding/hex"
+	"fmt"
+	"net"
+	"net/url"
+	"strings"
+
+	"github.com/AlexxIT/go2rtc/internal/app"
+	"github.com/AlexxIT/go2rtc/internal/ffmpeg"
+	srtp2 "github.com/AlexxIT/go2rtc/internal/srtp"
+	"github.com/AlexxIT/go2rtc/internal/streams"
+	"github.com/AlexxIT/go2rtc/pkg/core"
+	"github.com/AlexxIT/go2rtc/pkg/hap"
+	"github.com/AlexxIT/go2rtc/pkg/hap/camera"
+	"github.com/AlexxIT/go2rtc/pkg/hap/tlv8"
+	"github.com/AlexxIT/go2rtc/pkg/homekit"
+	"github.com/AlexxIT/go2rtc/pkg/magic"
+	"github.com/AlexxIT/go2rtc/pkg/mdns"
+	"github.com/AlexxIT/go2rtc/pkg/srtp"
+)
+
+type server struct {
+	stream    string      // stream name from YAML
+	hap       *hap.Server // server for HAP connection and encryption
+	mdns      *mdns.ServiceEntry
+	srtp      *srtp.Server
+	accessory *hap.Accessory // HAP accessory
+	pairings  []string       // pairings list
+
+	streams  map[string]*homekit.Consumer
+	consumer *homekit.Consumer
+}
+
+func (s *server) UpdateStatus() {
+	// true status is important, or device may be offline in Apple Home
+	if len(s.pairings) == 0 {
+		s.mdns.Info[hap.TXTStatusFlags] = hap.StatusNotPaired
+	} else {
+		s.mdns.Info[hap.TXTStatusFlags] = hap.StatusPaired
+	}
+}
+
+func (s *server) GetAccessories(_ net.Conn) []*hap.Accessory {
+	return []*hap.Accessory{s.accessory}
+}
+
+func (s *server) GetCharacteristic(conn net.Conn, aid uint8, iid uint64) any {
+	log.Trace().Msgf("[homekit] %s: get char aid=%d iid=0x%x", conn.RemoteAddr(), aid, iid)
+
+	char := s.accessory.GetCharacterByID(iid)
+	if char == nil {
+		log.Warn().Msgf("[homekit] get unknown characteristic: %d", iid)
+		return nil
+	}
+
+	switch char.Type {
+	case camera.TypeSetupEndpoints:
+		if s.consumer == nil {
+			return nil
+		}
+
+		answer := s.consumer.GetAnswer()
+		v, err := tlv8.MarshalBase64(answer)
+		if err != nil {
+			return nil
+		}
+
+		return v
+	}
+
+	return char.Value
+}
+
+func (s *server) SetCharacteristic(conn net.Conn, aid uint8, iid uint64, value any) {
+	log.Trace().Msgf("[homekit] %s: set char aid=%d iid=0x%x value=%v", conn.RemoteAddr(), aid, iid, value)
+
+	char := s.accessory.GetCharacterByID(iid)
+	if char == nil {
+		log.Warn().Msgf("[homekit] set unknown characteristic: %d", iid)
+		return
+	}
+
+	switch char.Type {
+	case camera.TypeSetupEndpoints:
+		var offer camera.SetupEndpoints
+		if err := tlv8.UnmarshalBase64(value.(string), &offer); err != nil {
+			return
+		}
+
+		s.consumer = homekit.NewConsumer(conn, srtp2.Server)
+		s.consumer.SetOffer(&offer)
+
+	case camera.TypeSelectedStreamConfiguration:
+		var conf camera.SelectedStreamConfig
+		if err := tlv8.UnmarshalBase64(value.(string), &conf); err != nil {
+			return
+		}
+
+		log.Trace().Msgf("[homekit] %s stream id=%x cmd=%d", conn.RemoteAddr(), conf.Control.SessionID, conf.Control.Command)
+
+		switch conf.Control.Command {
+		case camera.SessionCommandEnd:
+			if consumer := s.streams[conf.Control.SessionID]; consumer != nil {
+				_ = consumer.Stop()
+			}
+
+		case camera.SessionCommandStart:
+			if s.consumer == nil {
+				return
+			}
+
+			if !s.consumer.SetConfig(&conf) {
+				log.Warn().Msgf("[homekit] wrong config")
+				return
+			}
+
+			if s.streams == nil {
+				s.streams = map[string]*homekit.Consumer{}
+			}
+
+			s.streams[conf.Control.SessionID] = s.consumer
+
+			stream := streams.Get(s.stream)
+			if err := stream.AddConsumer(s.consumer); err != nil {
+				return
+			}
+
+			go func() {
+				_, _ = s.consumer.WriteTo(nil)
+				stream.RemoveConsumer(s.consumer)
+
+				delete(s.streams, conf.Control.SessionID)
+			}()
+		}
+	}
+}
+
+func (s *server) GetImage(conn net.Conn, width, height int) []byte {
+	log.Trace().Msgf("[homekit] %s: get image width=%d height=%d", conn.RemoteAddr(), width, height)
+
+	stream := streams.Get(s.stream)
+	cons := magic.NewKeyframe()
+
+	if err := stream.AddConsumer(cons); err != nil {
+		return nil
+	}
+
+	once := &core.OnceBuffer{} // init and first frame
+	_, _ = cons.WriteTo(once)
+	b := once.Buffer()
+
+	stream.RemoveConsumer(cons)
+
+	switch cons.CodecName() {
+	case core.CodecH264, core.CodecH265:
+		var err error
+		if b, err = ffmpeg.JPEGWithScale(b, width, height); err != nil {
+			return nil
+		}
+	}
+
+	return b
+}
+
+func (s *server) GetPair(conn net.Conn, id string) []byte {
+	log.Trace().Msgf("[homekit] %s: get pair id=%s", conn.RemoteAddr(), id)
+
+	for _, pairing := range s.pairings {
+		if !strings.Contains(pairing, id) {
+			continue
+		}
+
+		query, err := url.ParseQuery(pairing)
+		if err != nil {
+			continue
+		}
+
+		if query.Get("client_id") != id {
+			continue
+		}
+
+		s := query.Get("client_public")
+		b, _ := hex.DecodeString(s)
+		return b
+	}
+	return nil
+}
+
+func (s *server) AddPair(conn net.Conn, id string, public []byte, permissions byte) {
+	log.Trace().Msgf("[homekit] %s: add pair id=%s public=%x perm=%d", conn.RemoteAddr(), id, public, permissions)
+
+	query := url.Values{
+		"client_id":     []string{id},
+		"client_public": []string{hex.EncodeToString(public)},
+		"permissions":   []string{string('0' + permissions)},
+	}
+	if s.GetPair(conn, id) == nil {
+		s.pairings = append(s.pairings, query.Encode())
+		s.UpdateStatus()
+		s.PatchConfig()
+	}
+}
+
+func (s *server) DelPair(conn net.Conn, id string) {
+	log.Trace().Msgf("[homekit] %s: del pair id=%s", conn.RemoteAddr(), id)
+
+	id = "client_id=" + id
+	for i, pairing := range s.pairings {
+		if !strings.Contains(pairing, id) {
+			continue
+		}
+
+		s.pairings = append(s.pairings[:i], s.pairings[i+1:]...)
+		s.UpdateStatus()
+		s.PatchConfig()
+		break
+	}
+}
+
+func (s *server) PatchConfig() {
+	if err := app.PatchConfig("pairings", s.pairings, "homekit", s.stream); err != nil {
+		log.Error().Err(err).Msgf(
+			"[homekit] can't save %s pairings=%v", s.stream, s.pairings,
+		)
+	}
+}
+
+func calcName(name, seed string) string {
+	if name != "" {
+		return name
+	}
+	b := sha512.Sum512([]byte(seed))
+	return fmt.Sprintf("go2rtc-%02X%02X", b[0], b[2])
+}
+
+func calcDeviceID(deviceID, seed string) string {
+	if deviceID != "" {
+		if len(deviceID) >= 17 {
+			// 1. Returd device_id as is (ex. AA:BB:CC:DD:EE:FF)
+			return deviceID
+		}
+		// 2. Use device_id as seed if not zero
+		seed = deviceID
+	}
+	b := sha512.Sum512([]byte(seed))
+	return fmt.Sprintf("%02X:%02X:%02X:%02X:%02X:%02X", b[32], b[34], b[36], b[38], b[40], b[42])
+}
+
+func calcDevicePrivate(private, seed string) []byte {
+	if private != "" {
+		// 1. Decode private from HEX string
+		if b, _ := hex.DecodeString(private); len(b) == ed25519.PrivateKeySize {
+			// 2. Return if OK
+			return b
+		}
+		// 3. Use private as seed if not zero
+		seed = private
+	}
+	b := sha512.Sum512([]byte(seed))
+	return ed25519.NewKeyFromSeed(b[:ed25519.SeedSize])
+}

internal/http/http.go

@@ -0,0 +1,91 @@
+package http
+
+import (
+	"errors"
+	"net"
+	"net/http"
+	"net/url"
+	"strings"
+
+	"github.com/AlexxIT/go2rtc/internal/streams"
+	"github.com/AlexxIT/go2rtc/pkg/core"
+	"github.com/AlexxIT/go2rtc/pkg/hls"
+	"github.com/AlexxIT/go2rtc/pkg/magic"
+	"github.com/AlexxIT/go2rtc/pkg/mjpeg"
+	"github.com/AlexxIT/go2rtc/pkg/multipart"
+	"github.com/AlexxIT/go2rtc/pkg/tcp"
+)
+
+func Init() {
+	streams.HandleFunc("http", handleHTTP)
+	streams.HandleFunc("https", handleHTTP)
+	streams.HandleFunc("httpx", handleHTTP)
+
+	streams.HandleFunc("tcp", handleTCP)
+}
+
+func handleHTTP(rawURL string) (core.Producer, error) {
+	rawURL, rawQuery, _ := strings.Cut(rawURL, "#")
+
+	// first we get the Content-Type to define supported producer
+	req, err := http.NewRequest("GET", rawURL, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	if rawQuery != "" {
+		query := streams.ParseQuery(rawQuery)
+
+		for _, header := range query["header"] {
+			key, value, _ := strings.Cut(header, ":")
+			req.Header.Add(key, strings.TrimSpace(value))
+		}
+	}
+
+	res, err := tcp.Do(req)
+	if err != nil {
+		return nil, err
+	}
+
+	if res.StatusCode != http.StatusOK {
+		return nil, errors.New(res.Status)
+	}
+
+	// 1. Guess format from content type
+	ct := res.Header.Get("Content-Type")
+	if i := strings.IndexByte(ct, ';'); i > 0 {
+		ct = ct[:i]
+	}
+
+	var ext string
+	if i := strings.LastIndexByte(req.URL.Path, '.'); i > 0 {
+		ext = req.URL.Path[i+1:]
+	}
+
+	switch {
+	case ct == "image/jpeg":
+		return mjpeg.NewClient(res), nil
+
+	case ct == "multipart/x-mixed-replace":
+		return multipart.Open(res.Body)
+
+	case ct == "application/vnd.apple.mpegurl" || ext == "m3u8":
+		return hls.OpenURL(req.URL, res.Body)
+	}
+
+	return magic.Open(res.Body)
+}
+
+func handleTCP(rawURL string) (core.Producer, error) {
+	u, err := url.Parse(rawURL)
+	if err != nil {
+		return nil, err
+	}
+
+	conn, err := net.DialTimeout("tcp", u.Host, core.ConnDialTimeout)
+	if err != nil {
+		return nil, err
+	}
+
+	return magic.Open(conn)
+}

internal/isapi/init.go

@@ -0,0 +1,22 @@
+package isapi
+
+import (
+	"github.com/AlexxIT/go2rtc/internal/streams"
+	"github.com/AlexxIT/go2rtc/pkg/core"
+	"github.com/AlexxIT/go2rtc/pkg/isapi"
+)
+
+func Init() {
+	streams.HandleFunc("isapi", handle)
+}
+
+func handle(url string) (core.Producer, error) {
+	conn, err := isapi.NewClient(url)
+	if err != nil {
+		return nil, err
+	}
+	if err = conn.Dial(); err != nil {
+		return nil, err
+	}
+	return conn, nil
+}

internal/ivideon/ivideon.go

@@ -1,14 +1,14 @@
 package ivideon
 
 import (
-	"github.com/AlexxIT/go2rtc/cmd/streams"
+	"github.com/AlexxIT/go2rtc/internal/streams"
+	"github.com/AlexxIT/go2rtc/pkg/core"
 	"github.com/AlexxIT/go2rtc/pkg/ivideon"
-	"github.com/AlexxIT/go2rtc/pkg/streamer"
 	"strings"
 )
 
 func Init() {
-	streams.HandleFunc("ivideon", func(url string) (streamer.Producer, error) {
+	streams.HandleFunc("ivideon", func(url string) (core.Producer, error) {
 		id := strings.Replace(url[8:], "/", ":", 1)
 		prod := ivideon.NewClient(id)
 		if err := prod.Dial(); err != nil {

internal/mjpeg/init.go

@@ -0,0 +1,179 @@
+package mjpeg
+
+import (
+	"errors"
+	"io"
+	"net/http"
+	"strconv"
+	"time"
+
+	"github.com/AlexxIT/go2rtc/internal/api"
+	"github.com/AlexxIT/go2rtc/internal/api/ws"
+	"github.com/AlexxIT/go2rtc/internal/ffmpeg"
+	"github.com/AlexxIT/go2rtc/internal/streams"
+	"github.com/AlexxIT/go2rtc/pkg/core"
+	"github.com/AlexxIT/go2rtc/pkg/magic"
+	"github.com/AlexxIT/go2rtc/pkg/mjpeg"
+	"github.com/AlexxIT/go2rtc/pkg/tcp"
+	"github.com/rs/zerolog/log"
+)
+
+func Init() {
+	api.HandleFunc("api/frame.jpeg", handlerKeyframe)
+	api.HandleFunc("api/stream.mjpeg", handlerStream)
+
+	ws.HandleFunc("mjpeg", handlerWS)
+}
+
+func handlerKeyframe(w http.ResponseWriter, r *http.Request) {
+	src := r.URL.Query().Get("src")
+	stream := streams.Get(src)
+	if stream == nil {
+		http.Error(w, api.StreamNotFound, http.StatusNotFound)
+		return
+	}
+
+	cons := magic.NewKeyframe()
+	cons.RemoteAddr = tcp.RemoteAddr(r)
+	cons.UserAgent = r.UserAgent()
+
+	if err := stream.AddConsumer(cons); err != nil {
+		log.Error().Err(err).Caller().Send()
+		return
+	}
+
+	once := &core.OnceBuffer{} // init and first frame
+	_, _ = cons.WriteTo(once)
+	b := once.Buffer()
+
+	stream.RemoveConsumer(cons)
+
+	switch cons.CodecName() {
+	case core.CodecH264, core.CodecH265:
+		ts := time.Now()
+		var err error
+		if b, err = ffmpeg.JPEGWithQuery(b, r.URL.Query()); err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+		log.Debug().Msgf("[mjpeg] transcoding time=%s", time.Since(ts))
+	}
+
+	h := w.Header()
+	h.Set("Content-Type", "image/jpeg")
+	h.Set("Content-Length", strconv.Itoa(len(b)))
+	h.Set("Cache-Control", "no-cache")
+	h.Set("Connection", "close")
+	h.Set("Pragma", "no-cache")
+
+	if _, err := w.Write(b); err != nil {
+		log.Error().Err(err).Caller().Send()
+	}
+}
+
+func handlerStream(w http.ResponseWriter, r *http.Request) {
+	if r.Method != "POST" {
+		outputMjpeg(w, r)
+	} else {
+		inputMjpeg(w, r)
+	}
+}
+
+func outputMjpeg(w http.ResponseWriter, r *http.Request) {
+	src := r.URL.Query().Get("src")
+	stream := streams.Get(src)
+	if stream == nil {
+		http.Error(w, api.StreamNotFound, http.StatusNotFound)
+		return
+	}
+
+	cons := mjpeg.NewConsumer()
+	cons.RemoteAddr = tcp.RemoteAddr(r)
+	cons.UserAgent = r.UserAgent()
+
+	if err := stream.AddConsumer(cons); err != nil {
+		log.Error().Err(err).Msg("[api.mjpeg] add consumer")
+		return
+	}
+
+	h := w.Header()
+	h.Set("Content-Type", "multipart/x-mixed-replace; boundary=frame")
+	h.Set("Cache-Control", "no-cache")
+	h.Set("Connection", "close")
+	h.Set("Pragma", "no-cache")
+
+	wr := &writer{wr: w, buf: []byte(header)}
+	_, _ = cons.WriteTo(wr)
+
+	stream.RemoveConsumer(cons)
+}
+
+const header = "--frame\r\nContent-Type: image/jpeg\r\nContent-Length: "
+
+type writer struct {
+	wr  io.Writer
+	buf []byte
+}
+
+func (w *writer) Write(p []byte) (n int, err error) {
+	w.buf = w.buf[:len(header)]
+	w.buf = append(w.buf, strconv.Itoa(len(p))...)
+	w.buf = append(w.buf, "\r\n\r\n"...)
+	w.buf = append(w.buf, p...)
+	w.buf = append(w.buf, "\r\n"...)
+
+	// Chrome bug: mjpeg image always shows the second to last image
+	// https://bugs.chromium.org/p/chromium/issues/detail?id=527446
+	if n, err = w.wr.Write(w.buf); err == nil {
+		w.wr.(http.Flusher).Flush()
+	}
+
+	return
+}
+
+func inputMjpeg(w http.ResponseWriter, r *http.Request) {
+	dst := r.URL.Query().Get("dst")
+	stream := streams.Get(dst)
+	if stream == nil {
+		http.Error(w, api.StreamNotFound, http.StatusNotFound)
+		return
+	}
+
+	res := &http.Response{Body: r.Body, Header: r.Header, Request: r}
+	res.Header.Set("Content-Type", "multipart/mixed;boundary=")
+
+	client := mjpeg.NewClient(res)
+	stream.AddProducer(client)
+
+	if err := client.Start(); err != nil && err != io.EOF {
+		log.Warn().Err(err).Caller().Send()
+	}
+
+	stream.RemoveProducer(client)
+}
+
+func handlerWS(tr *ws.Transport, _ *ws.Message) error {
+	stream := streams.GetOrPatch(tr.Request.URL.Query())
+	if stream == nil {
+		return errors.New(api.StreamNotFound)
+	}
+
+	cons := mjpeg.NewConsumer()
+	cons.RemoteAddr = tcp.RemoteAddr(tr.Request)
+	cons.UserAgent = tr.Request.UserAgent()
+
+	if err := stream.AddConsumer(cons); err != nil {
+		log.Error().Err(err).Caller().Send()
+		return err
+	}
+
+	tr.Write(&ws.Message{Type: "mjpeg"})
+
+	go cons.WriteTo(tr.Writer())
+
+	tr.OnClose(func() {
+		stream.RemoveConsumer(cons)
+	})
+
+	return nil
+}

internal/mp4/mp4.go

@@ -0,0 +1,147 @@
+package mp4
+
+import (
+	"net/http"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/AlexxIT/go2rtc/internal/api"
+	"github.com/AlexxIT/go2rtc/internal/api/ws"
+	"github.com/AlexxIT/go2rtc/internal/app"
+	"github.com/AlexxIT/go2rtc/internal/streams"
+	"github.com/AlexxIT/go2rtc/pkg/core"
+	"github.com/AlexxIT/go2rtc/pkg/mp4"
+	"github.com/AlexxIT/go2rtc/pkg/tcp"
+	"github.com/rs/zerolog"
+)
+
+func Init() {
+	log = app.GetLogger("mp4")
+
+	ws.HandleFunc("mse", handlerWSMSE)
+	ws.HandleFunc("mp4", handlerWSMP4)
+
+	api.HandleFunc("api/frame.mp4", handlerKeyframe)
+	api.HandleFunc("api/stream.mp4", handlerMP4)
+}
+
+var log zerolog.Logger
+
+func handlerKeyframe(w http.ResponseWriter, r *http.Request) {
+	// Chrome 105 does two requests: without Range and with `Range: bytes=0-`
+	ua := r.UserAgent()
+	if strings.Contains(ua, " Chrome/") {
+		if r.Header.Values("Range") == nil {
+			w.Header().Set("Content-Type", "video/mp4")
+			w.WriteHeader(http.StatusOK)
+			return
+		}
+	}
+
+	query := r.URL.Query()
+	src := query.Get("src")
+	stream := streams.Get(src)
+	if stream == nil {
+		http.Error(w, api.StreamNotFound, http.StatusNotFound)
+		return
+	}
+
+	cons := mp4.NewKeyframe(nil)
+
+	if err := stream.AddConsumer(cons); err != nil {
+		log.Error().Err(err).Caller().Send()
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	once := &core.OnceBuffer{} // init and first frame
+	_, _ = cons.WriteTo(once)
+
+	stream.RemoveConsumer(cons)
+
+	// Apple Safari won't show frame without length
+	header := w.Header()
+	header.Set("Content-Length", strconv.Itoa(once.Len()))
+	header.Set("Content-Type", mp4.ContentType(cons.Codecs()))
+
+	if filename := query.Get("filename"); filename != "" {
+		header.Set("Content-Disposition", `attachment; filename="`+filename+`"`)
+	}
+
+	if _, err := once.WriteTo(w); err != nil {
+		log.Error().Err(err).Caller().Send()
+	}
+}
+
+func handlerMP4(w http.ResponseWriter, r *http.Request) {
+	log.Trace().Msgf("[mp4] %s %+v", r.Method, r.Header)
+
+	query := r.URL.Query()
+
+	ua := r.UserAgent()
+	if strings.Contains(ua, " Safari/") && !strings.Contains(ua, " Chrome/") && !query.Has("duration") {
+		// auto redirect to HLS/fMP4 format, because Safari not support MP4 stream
+		url := "stream.m3u8?" + r.URL.RawQuery
+		if !query.Has("mp4") {
+			url += "&mp4"
+		}
+
+		http.Redirect(w, r, url, http.StatusMovedPermanently)
+		return
+	}
+
+	src := query.Get("src")
+	stream := streams.Get(src)
+	if stream == nil {
+		http.Error(w, api.StreamNotFound, http.StatusNotFound)
+		return
+	}
+
+	medias := mp4.ParseQuery(r.URL.Query())
+	cons := mp4.NewConsumer(medias)
+	cons.Type = "MP4/HTTP active consumer"
+	cons.RemoteAddr = tcp.RemoteAddr(r)
+	cons.UserAgent = r.UserAgent()
+
+	if err := stream.AddConsumer(cons); err != nil {
+		log.Error().Err(err).Caller().Send()
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	if rotate := query.Get("rotate"); rotate != "" {
+		cons.Rotate = core.Atoi(rotate)
+	}
+
+	if scale := query.Get("scale"); scale != "" {
+		if sx, sy, ok := strings.Cut(scale, ":"); ok {
+			cons.ScaleX = core.Atoi(sx)
+			cons.ScaleY = core.Atoi(sy)
+		}
+	}
+
+	header := w.Header()
+	header.Set("Content-Type", mp4.ContentType(cons.Codecs()))
+
+	if filename := query.Get("filename"); filename != "" {
+		header.Set("Content-Disposition", `attachment; filename="`+filename+`"`)
+	}
+
+	var duration *time.Timer
+	if s := query.Get("duration"); s != "" {
+		if i, _ := strconv.Atoi(s); i > 0 {
+			duration = time.AfterFunc(time.Second*time.Duration(i), func() {
+				_ = cons.Stop()
+			})
+		}
+	}
+
+	_, _ = cons.WriteTo(w)
+
+	stream.RemoveConsumer(cons)
+
+	if duration != nil {
+		duration.Stop()
+	}
+}

internal/mp4/ws.go

@@ -0,0 +1,78 @@
+package mp4
+
+import (
+	"errors"
+
+	"github.com/AlexxIT/go2rtc/internal/api"
+	"github.com/AlexxIT/go2rtc/internal/api/ws"
+	"github.com/AlexxIT/go2rtc/internal/streams"
+	"github.com/AlexxIT/go2rtc/pkg/core"
+	"github.com/AlexxIT/go2rtc/pkg/mp4"
+	"github.com/AlexxIT/go2rtc/pkg/tcp"
+)
+
+func handlerWSMSE(tr *ws.Transport, msg *ws.Message) error {
+	stream := streams.GetOrPatch(tr.Request.URL.Query())
+	if stream == nil {
+		return errors.New(api.StreamNotFound)
+	}
+
+	var medias []*core.Media
+	if codecs := msg.String(); codecs != "" {
+		log.Trace().Str("codecs", codecs).Msgf("[mp4] new WS/MSE consumer")
+		medias = mp4.ParseCodecs(codecs, true)
+	}
+
+	cons := mp4.NewConsumer(medias)
+	cons.Type = "MSE/WebSocket active consumer"
+	cons.RemoteAddr = tcp.RemoteAddr(tr.Request)
+	cons.UserAgent = tr.Request.UserAgent()
+
+	if err := stream.AddConsumer(cons); err != nil {
+		log.Debug().Err(err).Msg("[mp4] add consumer")
+		return err
+	}
+
+	tr.Write(&ws.Message{Type: "mse", Value: mp4.ContentType(cons.Codecs())})
+
+	go cons.WriteTo(tr.Writer())
+
+	tr.OnClose(func() {
+		stream.RemoveConsumer(cons)
+	})
+
+	return nil
+}
+
+func handlerWSMP4(tr *ws.Transport, msg *ws.Message) error {
+	stream := streams.GetOrPatch(tr.Request.URL.Query())
+	if stream == nil {
+		return errors.New(api.StreamNotFound)
+	}
+
+	var medias []*core.Media
+	if codecs := msg.String(); codecs != "" {
+		log.Trace().Str("codecs", codecs).Msgf("[mp4] new WS/MP4 consumer")
+		medias = mp4.ParseCodecs(codecs, false)
+	}
+
+	cons := mp4.NewKeyframe(medias)
+	cons.Type = "MP4/WebSocket active consumer"
+	cons.RemoteAddr = tcp.RemoteAddr(tr.Request)
+	cons.UserAgent = tr.Request.UserAgent()
+
+	if err := stream.AddConsumer(cons); err != nil {
+		log.Error().Err(err).Caller().Send()
+		return err
+	}
+
+	tr.Write(&ws.Message{Type: "mse", Value: mp4.ContentType(cons.Codecs())})
+
+	go cons.WriteTo(tr.Writer())
+
+	tr.OnClose(func() {
+		stream.RemoveConsumer(cons)
+	})
+
+	return nil
+}

internal/mpegts/aac.go

@@ -0,0 +1,36 @@
+package mpegts
+
+import (
+	"net/http"
+
+	"github.com/AlexxIT/go2rtc/internal/api"
+	"github.com/AlexxIT/go2rtc/internal/streams"
+	"github.com/AlexxIT/go2rtc/pkg/aac"
+	"github.com/AlexxIT/go2rtc/pkg/tcp"
+	"github.com/rs/zerolog/log"
+)
+
+func apiStreamAAC(w http.ResponseWriter, r *http.Request) {
+	src := r.URL.Query().Get("src")
+	stream := streams.Get(src)
+	if stream == nil {
+		http.Error(w, api.StreamNotFound, http.StatusNotFound)
+		return
+	}
+
+	cons := aac.NewConsumer()
+	cons.RemoteAddr = tcp.RemoteAddr(r)
+	cons.UserAgent = r.UserAgent()
+
+	if err := stream.AddConsumer(cons); err != nil {
+		log.Error().Err(err).Caller().Send()
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Add("Content-Type", "audio/aac")
+
+	_, _ = cons.WriteTo(w)
+
+	stream.RemoveConsumer(cons)
+}

internal/mpegts/mpegts.go

@@ -0,0 +1,74 @@
+package mpegts
+
+import (
+	"net/http"
+
+	"github.com/AlexxIT/go2rtc/internal/api"
+	"github.com/AlexxIT/go2rtc/internal/streams"
+	"github.com/AlexxIT/go2rtc/pkg/mpegts"
+	"github.com/AlexxIT/go2rtc/pkg/tcp"
+	"github.com/rs/zerolog/log"
+)
+
+func Init() {
+	api.HandleFunc("api/stream.ts", apiHandle)
+	api.HandleFunc("api/stream.aac", apiStreamAAC)
+}
+
+func apiHandle(w http.ResponseWriter, r *http.Request) {
+	if r.Method != "POST" {
+		outputMpegTS(w, r)
+	} else {
+		inputMpegTS(w, r)
+	}
+}
+
+func outputMpegTS(w http.ResponseWriter, r *http.Request) {
+	src := r.URL.Query().Get("src")
+	stream := streams.Get(src)
+	if stream == nil {
+		http.Error(w, api.StreamNotFound, http.StatusNotFound)
+		return
+	}
+
+	cons := mpegts.NewConsumer()
+	cons.RemoteAddr = tcp.RemoteAddr(r)
+	cons.UserAgent = r.UserAgent()
+
+	if err := stream.AddConsumer(cons); err != nil {
+		log.Error().Err(err).Caller().Send()
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Add("Content-Type", "video/mp2t")
+
+	_, _ = cons.WriteTo(w)
+
+	stream.RemoveConsumer(cons)
+}
+
+func inputMpegTS(w http.ResponseWriter, r *http.Request) {
+	dst := r.URL.Query().Get("dst")
+	stream := streams.Get(dst)
+	if stream == nil {
+		http.Error(w, api.StreamNotFound, http.StatusNotFound)
+		return
+	}
+
+	res := &http.Response{Body: r.Body, Request: r}
+	client, err := mpegts.Open(res.Body)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	stream.AddProducer(client)
+
+	if err = client.Start(); err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	stream.RemoveProducer(client)
+}

internal/nest/init.go

@@ -0,0 +1,56 @@
+package nest
+
+import (
+	"net/http"
+
+	"github.com/AlexxIT/go2rtc/internal/api"
+	"github.com/AlexxIT/go2rtc/internal/streams"
+	"github.com/AlexxIT/go2rtc/pkg/core"
+	"github.com/AlexxIT/go2rtc/pkg/nest"
+)
+
+func Init() {
+	streams.HandleFunc("nest", streamNest)
+
+	api.HandleFunc("api/nest", apiNest)
+}
+
+func streamNest(url string) (core.Producer, error) {
+	client, err := nest.NewClient(url)
+	if err != nil {
+		return nil, err
+	}
+	return client, nil
+}
+
+func apiNest(w http.ResponseWriter, r *http.Request) {
+	query := r.URL.Query()
+	cliendID := query.Get("client_id")
+	cliendSecret := query.Get("client_secret")
+	refreshToken := query.Get("refresh_token")
+	projectID := query.Get("project_id")
+
+	nestAPI, err := nest.NewAPI(cliendID, cliendSecret, refreshToken)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	devices, err := nestAPI.GetDevices(projectID)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	var items []*api.Source
+
+	for name, deviceID := range devices {
+		query.Set("device_id", deviceID)
+
+		items = append(items, &api.Source{
+			Name: name, URL: "nest:?" + query.Encode(),
+		})
+	}
+
+	api.ResponseSources(w, items)
+}

internal/ngrok/ngrok.go

@@ -2,8 +2,8 @@ package ngrok
 
 import (
 	"fmt"
-	"github.com/AlexxIT/go2rtc/cmd/app"
-	"github.com/AlexxIT/go2rtc/cmd/webrtc"
+	"github.com/AlexxIT/go2rtc/internal/app"
+	"github.com/AlexxIT/go2rtc/internal/webrtc"
 	"github.com/AlexxIT/go2rtc/pkg/ngrok"
 	"github.com/rs/zerolog"
 	"net"
@@ -30,7 +30,7 @@ func Init() {
 		log.Error().Err(err).Msg("[ngrok] start")
 	}
 
-	ngr.Listen(func(msg interface{}) {
+	ngr.Listen(func(msg any) {
 		if msg := msg.(*ngrok.Message); msg != nil {
 			if strings.HasPrefix(msg.Line, "ERROR:") {
 				log.Warn().Msg("[ngrok] " + msg.Line)

internal/onvif/init.go

@@ -0,0 +1,195 @@
+package onvif
+
+import (
+	"io"
+	"net"
+	"net/http"
+	"net/url"
+	"os"
+	"strconv"
+	"time"
+
+	"github.com/AlexxIT/go2rtc/internal/api"
+	"github.com/AlexxIT/go2rtc/internal/app"
+	"github.com/AlexxIT/go2rtc/internal/rtsp"
+	"github.com/AlexxIT/go2rtc/internal/streams"
+	"github.com/AlexxIT/go2rtc/pkg/core"
+	"github.com/AlexxIT/go2rtc/pkg/onvif"
+	"github.com/rs/zerolog"
+)
+
+func Init() {
+	log = app.GetLogger("onvif")
+
+	streams.HandleFunc("onvif", streamOnvif)
+
+	// ONVIF server on all suburls
+	api.HandleFunc("/onvif/", onvifDeviceService)
+
+	// ONVIF client autodiscovery
+	api.HandleFunc("api/onvif", apiOnvif)
+}
+
+var log zerolog.Logger
+
+func streamOnvif(rawURL string) (core.Producer, error) {
+	client, err := onvif.NewClient(rawURL)
+	if err != nil {
+		return nil, err
+	}
+
+	uri, err := client.GetURI()
+	if err != nil {
+		return nil, err
+	}
+
+	log.Debug().Msgf("[onvif] new uri=%s", uri)
+
+	return streams.GetProducer(uri)
+}
+
+func onvifDeviceService(w http.ResponseWriter, r *http.Request) {
+	b, err := io.ReadAll(r.Body)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	action := onvif.GetRequestAction(b)
+	if action == "" {
+		http.Error(w, "malformed request body", http.StatusBadRequest)
+		return
+	}
+
+	log.Trace().Msgf("[onvif] %s", action)
+
+	var res string
+
+	switch action {
+	case onvif.ActionGetCapabilities:
+		// important for Hass: Media section
+		res = onvif.GetCapabilitiesResponse(r.Host)
+
+	case onvif.ActionGetSystemDateAndTime:
+		// important for Hass
+		res = onvif.GetSystemDateAndTimeResponse()
+
+	case onvif.ActionGetNetworkInterfaces:
+		// important for Hass: none
+		res = onvif.GetNetworkInterfacesResponse()
+
+	case onvif.ActionGetDeviceInformation:
+		// important for Hass: SerialNumber (unique server ID)
+		res = onvif.GetDeviceInformationResponse("", "go2rtc", app.Version, r.Host)
+
+	case onvif.ActionGetServiceCapabilities:
+		// important for Hass
+		res = onvif.GetServiceCapabilitiesResponse()
+
+	case onvif.ActionSystemReboot:
+		res = onvif.SystemRebootResponse()
+
+		time.AfterFunc(time.Second, func() {
+			os.Exit(0)
+		})
+
+	case onvif.ActionGetProfiles:
+		// important for Hass: H264 codec, width, height
+		res = onvif.GetProfilesResponse(streams.GetAll())
+
+	case onvif.ActionGetStreamUri:
+		host, _, err := net.SplitHostPort(r.Host)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+
+		uri := "rtsp://" + host + ":" + rtsp.Port + "/" + onvif.FindTagValue(b, "ProfileToken")
+		res = onvif.GetStreamUriResponse(uri)
+
+	default:
+		http.Error(w, "unsupported action", http.StatusBadRequest)
+		log.Debug().Msgf("[onvif] unsupported request:\n%s", b)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/soap+xml; charset=utf-8")
+	if _, err = w.Write([]byte(res)); err != nil {
+		log.Error().Err(err).Caller().Send()
+	}
+}
+
+func apiOnvif(w http.ResponseWriter, r *http.Request) {
+	src := r.URL.Query().Get("src")
+
+	var items []*api.Source
+
+	if src == "" {
+		urls, err := onvif.DiscoveryStreamingURLs()
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+
+		for _, rawURL := range urls {
+			u, err := url.Parse(rawURL)
+			if err != nil {
+				log.Warn().Str("url", rawURL).Msg("[onvif] broken")
+				continue
+			}
+
+			if u.Scheme != "http" {
+				log.Warn().Str("url", rawURL).Msg("[onvif] unsupported")
+				continue
+			}
+
+			u.Scheme = "onvif"
+			u.User = url.UserPassword("user", "pass")
+
+			if u.Path == onvif.PathDevice {
+				u.Path = ""
+			}
+
+			items = append(items, &api.Source{Name: u.Host, URL: u.String()})
+		}
+	} else {
+		client, err := onvif.NewClient(src)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+
+		if l := log.Trace(); l.Enabled() {
+			b, _ := client.GetProfiles()
+			l.Msgf("[onvif] src=%s profiles:\n%s", src, b)
+		}
+
+		name, err := client.GetName()
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+
+		tokens, err := client.GetProfilesTokens()
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+
+		for i, token := range tokens {
+			items = append(items, &api.Source{
+				Name: name + " stream" + strconv.Itoa(i),
+				URL:  src + "?subtype=" + token,
+			})
+		}
+
+		if len(tokens) > 0 && client.HasSnapshots() {
+			items = append(items, &api.Source{
+				Name: name + " snapshot",
+				URL:  src + "?subtype=" + tokens[0] + "&snapshot",
+			})
+		}
+	}
+
+	api.ResponseSources(w, items)
+}

internal/roborock/roborock.go

@@ -0,0 +1,101 @@
+package roborock
+
+import (
+	"fmt"
+	"net/http"
+
+	"github.com/AlexxIT/go2rtc/internal/api"
+	"github.com/AlexxIT/go2rtc/internal/streams"
+	"github.com/AlexxIT/go2rtc/pkg/core"
+	"github.com/AlexxIT/go2rtc/pkg/roborock"
+)
+
+func Init() {
+	streams.HandleFunc("roborock", handle)
+
+	api.HandleFunc("api/roborock", apiHandle)
+}
+
+func handle(url string) (core.Producer, error) {
+	conn := roborock.NewClient(url)
+	if err := conn.Dial(); err != nil {
+		return nil, err
+	}
+	if err := conn.Connect(); err != nil {
+		return nil, err
+	}
+	return conn, nil
+}
+
+var Auth struct {
+	UserData *roborock.UserInfo `json:"user_data"`
+	BaseURL  string             `json:"base_url"`
+}
+
+func apiHandle(w http.ResponseWriter, r *http.Request) {
+	switch r.Method {
+	case "GET":
+		if Auth.UserData == nil {
+			http.Error(w, "no auth", http.StatusNotFound)
+			return
+		}
+
+	case "POST":
+		if err := r.ParseMultipartForm(1024); err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+
+		username := r.Form.Get("username")
+		password := r.Form.Get("password")
+		if username == "" || password == "" {
+			http.Error(w, "empty username or password", http.StatusBadRequest)
+			return
+		}
+
+		base, err := roborock.GetBaseURL(username)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+
+		ui, err := roborock.Login(base, username, password)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+
+		Auth.BaseURL = base
+		Auth.UserData = ui
+
+	default:
+		http.Error(w, "", http.StatusMethodNotAllowed)
+		return
+	}
+
+	homeID, err := roborock.GetHomeID(Auth.BaseURL, Auth.UserData.Token)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	devices, err := roborock.GetDevices(Auth.UserData, homeID)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	var items []*api.Source
+
+	for _, device := range devices {
+		source := fmt.Sprintf(
+			"roborock://%s?u=%s&s=%s&k=%s&did=%s&key=%s&pin=",
+			Auth.UserData.IoT.URL.MQTT[6:],
+			Auth.UserData.IoT.User, Auth.UserData.IoT.Pass, Auth.UserData.IoT.Domain,
+			device.DID, device.Key,
+		)
+		items = append(items, &api.Source{Name: device.Name, URL: source})
+	}
+
+	api.ResponseSources(w, items)
+}

internal/rtmp/rtmp.go

@@ -0,0 +1,206 @@
+package rtmp
+
+import (
+	"errors"
+	"io"
+	"net"
+	"net/http"
+
+	"github.com/AlexxIT/go2rtc/internal/api"
+	"github.com/AlexxIT/go2rtc/internal/app"
+	"github.com/AlexxIT/go2rtc/internal/streams"
+	"github.com/AlexxIT/go2rtc/pkg/core"
+	"github.com/AlexxIT/go2rtc/pkg/flv"
+	"github.com/AlexxIT/go2rtc/pkg/rtmp"
+	"github.com/AlexxIT/go2rtc/pkg/tcp"
+	"github.com/rs/zerolog"
+)
+
+func Init() {
+	var conf struct {
+		Mod struct {
+			Listen string `yaml:"listen" json:"listen"`
+		} `yaml:"rtmp"`
+	}
+
+	app.LoadConfig(&conf)
+
+	log = app.GetLogger("rtmp")
+
+	streams.HandleFunc("rtmp", streamsHandle)
+	streams.HandleFunc("rtmps", streamsHandle)
+	streams.HandleFunc("rtmpx", streamsHandle)
+
+	api.HandleFunc("api/stream.flv", apiHandle)
+
+	streams.HandleConsumerFunc("rtmp", streamsConsumerHandle)
+	streams.HandleConsumerFunc("rtmps", streamsConsumerHandle)
+	streams.HandleConsumerFunc("rtmpx", streamsConsumerHandle)
+
+	address := conf.Mod.Listen
+	if address == "" {
+		return
+	}
+
+	ln, err := net.Listen("tcp", address)
+	if err != nil {
+		log.Error().Err(err).Caller().Send()
+		return
+	}
+
+	log.Info().Str("addr", address).Msg("[rtmp] listen")
+
+	go func() {
+		for {
+			conn, err := ln.Accept()
+			if err != nil {
+				return
+			}
+
+			go func() {
+				if err = tcpHandle(conn); err != nil {
+					log.Error().Err(err).Caller().Send()
+				}
+			}()
+		}
+	}()
+}
+
+func tcpHandle(netConn net.Conn) error {
+	rtmpConn, err := rtmp.NewServer(netConn)
+	if err != nil {
+		return err
+	}
+
+	if err = rtmpConn.ReadCommands(); err != nil {
+		return err
+	}
+
+	switch rtmpConn.Intent {
+	case rtmp.CommandPlay:
+		stream := streams.Get(rtmpConn.App)
+		if stream == nil {
+			return errors.New("stream not found: " + rtmpConn.App)
+		}
+
+		cons := flv.NewConsumer()
+		if err = stream.AddConsumer(cons); err != nil {
+			return err
+		}
+
+		defer stream.RemoveConsumer(cons)
+
+		if err = rtmpConn.WriteStart(); err != nil {
+			return err
+		}
+
+		_, _ = cons.WriteTo(rtmpConn)
+
+		return nil
+
+	case rtmp.CommandPublish:
+		stream := streams.Get(rtmpConn.App)
+		if stream == nil {
+			return errors.New("stream not found: " + rtmpConn.App)
+		}
+
+		if err = rtmpConn.WriteStart(); err != nil {
+			return err
+		}
+
+		prod, err := rtmpConn.Producer()
+		if err != nil {
+			return err
+		}
+
+		stream.AddProducer(prod)
+
+		defer stream.RemoveProducer(prod)
+
+		_ = prod.Start()
+
+		return nil
+	}
+
+	return errors.New("rtmp: unknown command: " + rtmpConn.Intent)
+}
+
+var log zerolog.Logger
+
+func streamsHandle(url string) (core.Producer, error) {
+	client, err := rtmp.DialPlay(url)
+	if err != nil {
+		return nil, err
+	}
+	return client, nil
+}
+
+func streamsConsumerHandle(url string) (core.Consumer, func(), error) {
+	cons := flv.NewConsumer()
+	run := func() {
+		wr, err := rtmp.DialPublish(url)
+		if err != nil {
+			return
+		}
+		_, err = cons.WriteTo(wr)
+	}
+
+	return cons, run, nil
+}
+
+func apiHandle(w http.ResponseWriter, r *http.Request) {
+	if r.Method != "POST" {
+		outputFLV(w, r)
+	} else {
+		inputFLV(w, r)
+	}
+}
+
+func outputFLV(w http.ResponseWriter, r *http.Request) {
+	src := r.URL.Query().Get("src")
+	stream := streams.Get(src)
+	if stream == nil {
+		http.Error(w, api.StreamNotFound, http.StatusNotFound)
+		return
+	}
+
+	cons := flv.NewConsumer()
+	cons.Type = "HTTP-FLV consumer"
+	cons.RemoteAddr = tcp.RemoteAddr(r)
+	cons.UserAgent = r.UserAgent()
+
+	if err := stream.AddConsumer(cons); err != nil {
+		log.Error().Err(err).Caller().Send()
+		return
+	}
+
+	h := w.Header()
+	h.Set("Content-Type", "video/x-flv")
+
+	_, _ = cons.WriteTo(w)
+
+	stream.RemoveConsumer(cons)
+}
+
+func inputFLV(w http.ResponseWriter, r *http.Request) {
+	dst := r.URL.Query().Get("dst")
+	stream := streams.Get(dst)
+	if stream == nil {
+		http.Error(w, api.StreamNotFound, http.StatusNotFound)
+		return
+	}
+
+	client, err := flv.Open(r.Body)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	stream.AddProducer(client)
+
+	if err = client.Start(); err != nil && err != io.EOF {
+		log.Warn().Err(err).Caller().Send()
+	}
+
+	stream.RemoveProducer(client)
+}

internal/rtsp/rtsp.go

@@ -1,27 +1,36 @@
 package rtsp
 
 import (
-	"github.com/AlexxIT/go2rtc/cmd/app"
-	"github.com/AlexxIT/go2rtc/cmd/streams"
+	"io"
+	"net"
+	"net/url"
+	"strings"
+
+	"github.com/AlexxIT/go2rtc/internal/app"
+	"github.com/AlexxIT/go2rtc/internal/streams"
+	"github.com/AlexxIT/go2rtc/pkg/core"
 	"github.com/AlexxIT/go2rtc/pkg/rtsp"
-	"github.com/AlexxIT/go2rtc/pkg/streamer"
 	"github.com/AlexxIT/go2rtc/pkg/tcp"
 	"github.com/rs/zerolog"
-	"net"
-	"strings"
 )
 
 func Init() {
 	var conf struct {
 		Mod struct {
-			Listen string `yaml:"listen"`
+			Listen       string `yaml:"listen" json:"listen"`
+			Username     string `yaml:"username" json:"-"`
+			Password     string `yaml:"password" json:"-"`
+			DefaultQuery string `yaml:"default_query" json:"default_query"`
+			PacketSize   uint16 `yaml:"pkt_size"`
 		} `yaml:"rtsp"`
 	}
 
 	// default config
-	conf.Mod.Listen = ":8554"
+	conf.Mod.Listen = "0.0.0.0:8554"
+	conf.Mod.DefaultQuery = "video&audio"
 
 	app.LoadConfig(&conf)
+	app.Info["rtsp"] = conf.Mod
 
 	log = app.GetLogger("rtsp")
 
@@ -46,13 +55,24 @@ func Init() {
 
 	log.Info().Str("addr", address).Msg("[rtsp] listen")
 
+	if query, err := url.ParseQuery(conf.Mod.DefaultQuery); err == nil {
+		defaultMedias = ParseQuery(query)
+	}
+
 	go func() {
 		for {
 			conn, err := ln.Accept()
 			if err != nil {
 				return
 			}
-			go tcpHandler(conn)
+
+			c := rtsp.NewServer(conn)
+			c.PacketSize = conf.Mod.PacketSize
+			// skip check auth for localhost
+			if conf.Mod.Username != "" && !conn.RemoteAddr().(*net.TCPAddr).IP.IsLoopback() {
+				c.Auth(conf.Mod.Username, conf.Mod.Password)
+			}
+			go tcpHandler(c)
 		}
 	}()
 }
@@ -69,44 +89,45 @@ var Port string
 
 var log zerolog.Logger
 var handlers []Handler
+var defaultMedias []*core.Media
 
-func rtspHandler(url string) (streamer.Producer, error) {
-	backchannel := true
-
-	if i := strings.IndexByte(url, '#'); i > 0 {
-		if url[i+1:] == "backchannel=0" {
-			backchannel = false
-		}
-		url = url[:i]
-	}
-
-	conn, err := rtsp.NewClient(url)
-	if err != nil {
-		return nil, err
-	}
+func rtspHandler(rawURL string) (core.Producer, error) {
+	rawURL, rawQuery, _ := strings.Cut(rawURL, "#")
 
+	conn := rtsp.NewClient(rawURL)
+	conn.Backchannel = true
 	conn.UserAgent = app.UserAgent
 
+	if rawQuery != "" {
+		query := streams.ParseQuery(rawQuery)
+		conn.Backchannel = query.Get("backchannel") == "1"
+		conn.Media = query.Get("media")
+		conn.Timeout = core.Atoi(query.Get("timeout"))
+		conn.Transport = query.Get("transport")
+	}
+
 	if log.Trace().Enabled() {
-		conn.Listen(func(msg interface{}) {
+		conn.Listen(func(msg any) {
 			switch msg := msg.(type) {
 			case *tcp.Request:
 				log.Trace().Msgf("[rtsp] client request:\n%s", msg)
 			case *tcp.Response:
 				log.Trace().Msgf("[rtsp] client response:\n%s", msg)
+			case string:
+				log.Trace().Msgf("[rtsp] client msg: %s", msg)
 			}
 		})
 	}
 
-	if err = conn.Dial(); err != nil {
+	if err := conn.Dial(); err != nil {
 		return nil, err
 	}
 
-	conn.Backchannel = backchannel
-	if err = conn.Describe(); err != nil {
-		if !backchannel {
+	if err := conn.Describe(); err != nil {
+		if !conn.Backchannel {
 			return nil, err
 		}
+		log.Trace().Msgf("[rtsp] describe (backchannel=%t) err: %v", conn.Backchannel, err)
 
 		// second try without backchannel, we need to reconnect
 		conn.Backchannel = false
@@ -121,14 +142,13 @@ func rtspHandler(url string) (streamer.Producer, error) {
 	return conn, nil
 }
 
-func tcpHandler(c net.Conn) {
+func tcpHandler(conn *rtsp.Conn) {
 	var name string
 	var closer func()
 
 	trace := log.Trace().Enabled()
 
-	conn := rtsp.NewServer(c)
-	conn.Listen(func(msg interface{}) {
+	conn.Listen(func(msg any) {
 		if trace {
 			switch msg := msg.(type) {
 			case *tcp.Request:
@@ -140,6 +160,11 @@ func tcpHandler(c net.Conn) {
 
 		switch msg {
 		case rtsp.MethodDescribe:
+			if len(conn.URL.Path) == 0 {
+				log.Warn().Msg("[rtsp] server empty URL on DESCRIBE")
+				return
+			}
+
 			name = conn.URL.Path[1:]
 
 			stream := streams.Get(name)
@@ -149,7 +174,19 @@ func tcpHandler(c net.Conn) {
 
 			log.Debug().Str("stream", name).Msg("[rtsp] new consumer")
 
-			initMedias(conn)
+			conn.SessionName = app.UserAgent
+
+			query := conn.URL.Query()
+			conn.Medias = ParseQuery(query)
+			if conn.Medias == nil {
+				for _, media := range defaultMedias {
+					conn.Medias = append(conn.Medias, media.Clone())
+				}
+			}
+
+			if s := query.Get("pkt_size"); s != "" {
+				conn.PacketSize = uint16(core.Atoi(s))
+			}
 
 			if err := stream.AddConsumer(conn); err != nil {
 				log.Warn().Err(err).Str("stream", name).Msg("[rtsp]")
@@ -161,6 +198,11 @@ func tcpHandler(c net.Conn) {
 			}
 
 		case rtsp.MethodAnnounce:
+			if len(conn.URL.Path) == 0 {
+				log.Warn().Msg("[rtsp] server empty URL on ANNOUNCE")
+				return
+			}
+
 			name = conn.URL.Path[1:]
 
 			stream := streams.Get(name)
@@ -175,14 +217,16 @@ func tcpHandler(c net.Conn) {
 			closer = func() {
 				stream.RemoveProducer(conn)
 			}
-
-		case streamer.StatePlaying:
-			log.Debug().Str("stream", name).Msg("[rtsp] start")
 		}
 	})
 
 	if err := conn.Accept(); err != nil {
-		log.Warn().Err(err).Caller().Send()
+		if err != io.EOF {
+			log.Warn().Err(err).Caller().Send()
+		}
+		if closer != nil {
+			closer()
+		}
 		_ = conn.Close()
 		return
 	}
@@ -195,7 +239,7 @@ func tcpHandler(c net.Conn) {
 
 	if closer != nil {
 		if err := conn.Handle(); err != nil {
-			log.Debug().Err(err).Caller().Send()
+			log.Debug().Msgf("[rtsp] handle=%s", err)
 		}
 
 		closer()
@@ -206,44 +250,26 @@ func tcpHandler(c net.Conn) {
 	_ = conn.Close()
 }
 
-func initMedias(conn *rtsp.Conn) {
-	// set media candidates from query list
-	for key, value := range conn.URL.Query() {
-		switch key {
-		case streamer.KindVideo, streamer.KindAudio:
-			for _, name := range value {
-				name = strings.ToUpper(name)
-
-				// check aliases
-				switch name {
-				case "COPY":
-					name = "" // pass empty codecs list
-				case "MJPEG":
-					name = streamer.CodecJPEG
-				case "AAC":
-					name = streamer.CodecAAC
-				}
-
-				media := &streamer.Media{
-					Kind: key, Direction: streamer.DirectionRecvonly,
-				}
-
-				// empty codecs match all codecs
-				if name != "" {
-					// empty clock rate and channels match any values
-					media.Codecs = []*streamer.Codec{{Name: name}}
-				}
-
-				conn.Medias = append(conn.Medias, media)
-			}
+func ParseQuery(query map[string][]string) []*core.Media {
+	if v := query["mp4"]; v != nil {
+		return []*core.Media{
+			{
+				Kind:      core.KindVideo,
+				Direction: core.DirectionSendonly,
+				Codecs: []*core.Codec{
+					{Name: core.CodecH264},
+					{Name: core.CodecH265},
+				},
+			},
+			{
+				Kind:      core.KindAudio,
+				Direction: core.DirectionSendonly,
+				Codecs: []*core.Codec{
+					{Name: core.CodecAAC},
+				},
+			},
 		}
 	}
 
-	// set default media candidates if query is empty
-	if conn.Medias == nil {
-		conn.Medias = []*streamer.Media{
-			{Kind: streamer.KindVideo, Direction: streamer.DirectionRecvonly},
-			{Kind: streamer.KindAudio, Direction: streamer.DirectionRecvonly},
-		}
-	}
+	return core.ParseQuery(query)
 }

internal/srtp/srtp.go

@@ -0,0 +1,29 @@
+package srtp
+
+import (
+	"github.com/AlexxIT/go2rtc/internal/app"
+	"github.com/AlexxIT/go2rtc/pkg/srtp"
+)
+
+func Init() {
+	var cfg struct {
+		Mod struct {
+			Listen string `yaml:"listen"`
+		} `yaml:"srtp"`
+	}
+
+	// default config
+	cfg.Mod.Listen = "0.0.0.0:8443"
+
+	// load config from YAML
+	app.LoadConfig(&cfg)
+
+	if cfg.Mod.Listen == "" {
+		return
+	}
+
+	// create SRTP server (endpoint) for receiving video from HomeKit cameras
+	Server = srtp.NewServer(cfg.Mod.Listen)
+}
+
+var Server *srtp.Server

internal/streams/add_consumer.go

@@ -0,0 +1,149 @@
+package streams
+
+import (
+	"errors"
+	"strings"
+	"sync/atomic"
+
+	"github.com/AlexxIT/go2rtc/pkg/core"
+)
+
+func (s *Stream) AddConsumer(cons core.Consumer) (err error) {
+	// support for multiple simultaneous requests from different consumers
+	consN := atomic.AddInt32(&s.requests, 1) - 1
+
+	var prodErrors []error
+	var prodMedias []*core.Media
+	var prods []*Producer // matched producers for consumer
+
+	// Step 1. Get consumer medias
+	consMedias := cons.GetMedias()
+	for _, consMedia := range consMedias {
+		log.Trace().Msgf("[streams] check cons=%d media=%s", consN, consMedia)
+
+	producers:
+		for prodN, prod := range s.producers {
+			if err = prod.Dial(); err != nil {
+				log.Trace().Err(err).Msgf("[streams] skip prod=%s", prod.url)
+				prodErrors = append(prodErrors, err)
+				continue
+			}
+
+			// Step 2. Get producer medias (not tracks yet)
+			for _, prodMedia := range prod.GetMedias() {
+				log.Trace().Msgf("[streams] check prod=%d media=%s", prodN, prodMedia)
+				prodMedias = append(prodMedias, prodMedia)
+
+				// Step 3. Match consumer/producer codecs list
+				prodCodec, consCodec := prodMedia.MatchMedia(consMedia)
+				if prodCodec == nil {
+					continue
+				}
+
+				var track *core.Receiver
+
+				switch prodMedia.Direction {
+				case core.DirectionRecvonly:
+					log.Trace().Msgf("[streams] match prod=%d => cons=%d", prodN, consN)
+
+					// Step 4. Get recvonly track from producer
+					if track, err = prod.GetTrack(prodMedia, prodCodec); err != nil {
+						log.Info().Err(err).Msg("[streams] can't get track")
+						continue
+					}
+					// Step 5. Add track to consumer
+					if err = cons.AddTrack(consMedia, consCodec, track); err != nil {
+						log.Info().Err(err).Msg("[streams] can't add track")
+						continue
+					}
+
+				case core.DirectionSendonly:
+					log.Trace().Msgf("[streams] match cons=%d => prod=%d", consN, prodN)
+
+					// Step 4. Get recvonly track from consumer (backchannel)
+					if track, err = cons.(core.Producer).GetTrack(consMedia, consCodec); err != nil {
+						log.Info().Err(err).Msg("[streams] can't get track")
+						continue
+					}
+					// Step 5. Add track to producer
+					if err = prod.AddTrack(prodMedia, prodCodec, track); err != nil {
+						log.Info().Err(err).Msg("[streams] can't add track")
+						continue
+					}
+				}
+
+				prods = append(prods, prod)
+
+				if !consMedia.MatchAll() {
+					break producers
+				}
+			}
+		}
+	}
+
+	// stop producers if they don't have readers
+	if atomic.AddInt32(&s.requests, -1) == 0 {
+		s.stopProducers()
+	}
+
+	if len(prods) == 0 {
+		return formatError(consMedias, prodMedias, prodErrors)
+	}
+
+	s.mu.Lock()
+	s.consumers = append(s.consumers, cons)
+	s.mu.Unlock()
+
+	// there may be duplicates, but that's not a problem
+	for _, prod := range prods {
+		prod.start()
+	}
+
+	return nil
+}
+
+func formatError(consMedias, prodMedias []*core.Media, prodErrors []error) error {
+	if prodMedias != nil {
+		var prod, cons string
+
+		for _, media := range prodMedias {
+			if media.Direction == core.DirectionRecvonly {
+				for _, codec := range media.Codecs {
+					prod = appendString(prod, codec.PrintName())
+				}
+			}
+		}
+
+		for _, media := range consMedias {
+			if media.Direction == core.DirectionSendonly {
+				for _, codec := range media.Codecs {
+					cons = appendString(cons, codec.PrintName())
+				}
+			}
+		}
+
+		return errors.New("streams: codecs not matched: " + prod + " => " + cons)
+	}
+
+	if prodErrors != nil {
+		var text string
+
+		for _, err := range prodErrors {
+			text = appendString(text, err.Error())
+		}
+
+		return errors.New("streams: " + text)
+	}
+
+	return errors.New("streams: unknown error")
+}
+
+func appendString(s, elem string) string {
+	if strings.Contains(s, elem) {
+		return s
+	}
+	if len(s) == 0 {
+		return elem
+	}
+	return s + ", " + elem
+}