Update version to 1.8.5

Fix CORS support in WHEP/WHIP API

README.md

@@ -14,6 +14,7 @@ Ultimate camera streaming application with support RTSP, WebRTC, HomeKit, FFmpeg
 - streaming from [RTSP](#source-rtsp), [RTMP](#source-rtmp), [DVRIP](#source-dvrip), [HTTP](#source-http) (FLV/MJPEG/JPEG/TS), [USB Cameras](#source-ffmpeg-device) and [other sources](#module-streams)
 - streaming from any sources, supported by [FFmpeg](#source-ffmpeg)
 - streaming to [RTSP](#module-rtsp), [WebRTC](#module-webrtc), [MSE/MP4](#module-mp4), [HomeKit](#module-homekit) [HLS](#module-hls) or [MJPEG](#module-mjpeg)
+- [publish](#publish-stream) any source to popular streaming services (YouTube, Telegram, etc.)
 - first project in the World with support streaming from [HomeKit Cameras](#source-homekit)
 - support H265 for WebRTC in browser (Safari only, [read more](https://github.com/AlexxIT/Blog/issues/5))
 - on the fly transcoding for unsupported codecs via [FFmpeg](#source-ffmpeg)
@@ -22,7 +23,7 @@ Ultimate camera streaming application with support RTSP, WebRTC, HomeKit, FFmpeg
    - mixing tracks from different sources to single stream
    - auto match client supported codecs
    - [2-way audio](#two-way-audio) for some cameras
-- streaming from private networks via [Ngrok](#module-ngrok)
+- streaming from private networks via [ngrok](#module-ngrok)
 - can be [integrated to](#module-api) any smart home platform or be used as [standalone app](#go2rtc-binary)
 
 **Inspired by:**
@@ -53,11 +54,13 @@ Ultimate camera streaming application with support RTSP, WebRTC, HomeKit, FFmpeg
     * [Source: FFmpeg Device](#source-ffmpeg-device)
     * [Source: Exec](#source-exec)
     * [Source: Echo](#source-echo)
+    * [Source: Expr](#source-expr)
     * [Source: HomeKit](#source-homekit)
     * [Source: Bubble](#source-bubble)
     * [Source: DVRIP](#source-dvrip)
     * [Source: Tapo](#source-tapo)
     * [Source: Kasa](#source-kasa)
+    * [Source: GoPro](#source-gopro)
     * [Source: Ivideon](#source-ivideon)
     * [Source: Hass](#source-hass)
     * [Source: ISAPI](#source-isapi)
@@ -67,12 +70,14 @@ Ultimate camera streaming application with support RTSP, WebRTC, HomeKit, FFmpeg
     * [Source: WebTorrent](#source-webtorrent)
     * [Incoming sources](#incoming-sources)
     * [Stream to camera](#stream-to-camera)
+    * [Publish stream](#publish-stream)
   * [Module: API](#module-api)
   * [Module: RTSP](#module-rtsp)
+  * [Module: RTMP](#module-rtmp)
   * [Module: WebRTC](#module-webrtc)
   * [Module: HomeKit](#module-homekit)
   * [Module: WebTorrent](#module-webtorrent)
-  * [Module: Ngrok](#module-ngrok)
+  * [Module: ngrok](#module-ngrok)
   * [Module: Hass](#module-hass)
   * [Module: MP4](#module-mp4)
   * [Module: HLS](#module-hls)
@@ -122,7 +127,7 @@ Don't forget to fix the rights `chmod +x go2rtc_xxx_xxx` on Linux and Mac.
 
 ### go2rtc: Docker
 
-Container [alexxit/go2rtc](https://hub.docker.com/r/alexxit/go2rtc) with support `amd64`, `386`, `arm64`, `arm`. This container is the same as [Home Assistant Add-on](#go2rtc-home-assistant-add-on), but can be used separately from Home Assistant. Container has preinstalled [FFmpeg](#source-ffmpeg), [Ngrok](#module-ngrok) and [Python](#source-echo).
+Container [alexxit/go2rtc](https://hub.docker.com/r/alexxit/go2rtc) with support `amd64`, `386`, `arm64`, `arm`. This container is the same as [Home Assistant Add-on](#go2rtc-home-assistant-add-on), but can be used separately from Home Assistant. Container has preinstalled [FFmpeg](#source-ffmpeg), [ngrok](#module-ngrok) and [Python](#source-echo).
 
 ### go2rtc: Home Assistant Add-on
 
@@ -165,7 +170,7 @@ Available modules:
 - [hls](#module-hls) - HLS TS or fMP4 stream Server
 - [mjpeg](#module-mjpeg) - MJPEG Server
 - [ffmpeg](#source-ffmpeg) - FFmpeg integration
-- [ngrok](#module-ngrok) - Ngrok integration (external access for private network)
+- [ngrok](#module-ngrok) - ngrok integration (external access for private network)
 - [hass](#module-hass) - Home Assistant integration
 - [log](#module-log) - logs config
 
@@ -183,11 +188,13 @@ Available source types:
 - [ffmpeg:device](#source-ffmpeg-device) - local USB Camera or Webcam
 - [exec](#source-exec) - get media from external app output
 - [echo](#source-echo) - get stream link from bash or python
+- [expr](#source-expr) - get stream link via built-in expression language
 - [homekit](#source-homekit) - streaming from HomeKit Camera
 - [bubble](#source-bubble) - streaming from ESeeCloud/dvr163 NVR
 - [dvrip](#source-dvrip) - streaming from DVR-IP NVR
 - [tapo](#source-tapo) - TP-Link Tapo cameras with [two way audio](#two-way-audio) support
 - [kasa](#source-tapo) - TP-Link Kasa cameras
+- [gopro](#source-gopro) - GoPro cameras
 - [ivideon](#source-ivideon) - public cameras from [Ivideon](https://tv.ivideon.com/) service
 - [hass](#source-hass) - Home Assistant integration
 - [isapi](#source-isapi) - two way audio for Hikvision (ISAPI) cameras
@@ -202,6 +209,7 @@ Read more about [incoming sources](#incoming-sources)
 Supported for sources:
 
 - [RTSP cameras](#source-rtsp) with [ONVIF Profile T](https://www.onvif.org/specs/stream/ONVIF-Streaming-Spec.pdf) (back channel connection)
+- [DVRIP](#source-dvrip) cameras
 - [TP-Link Tapo](#source-tapo) cameras
 - [Hikvision ISAPI](#source-isapi) cameras
 - [Roborock vacuums](#source-roborock) models with cameras
@@ -297,6 +305,8 @@ streams:
 
 #### Source: ONVIF
 
+*[New in v1.5.0](https://github.com/AlexxIT/go2rtc/releases/tag/v1.5.0)*
+
 The source is not very useful if you already know RTSP and snapshot links for your camera. But it can be useful if you don't.
 
 **WebUI > Add** webpage support ONVIF autodiscovery. Your server must be on the same subnet as the camera. If you use docker, you must use "network host".
@@ -389,7 +399,7 @@ streams:
 
 #### Source: Exec
 
-Exec source can run any external application and expect data from it. Two transports are supported - **pipe** and **RTSP**.
+Exec source can run any external application and expect data from it. Two transports are supported - **pipe** (*from [v1.5.0](https://github.com/AlexxIT/go2rtc/releases/tag/v1.5.0)*) and **RTSP**.
 
 If you want to use **RTSP** transport - the command must contain the `{output}` argument in any place. On launch, it will be replaced by the local address of the RTSP server.
 
@@ -422,6 +432,12 @@ streams:
   apple_hls: echo:python3 hls.py https://developer.apple.com/streaming/examples/basic-stream-osx-ios5.html
 ```
 
+#### Source: Expr
+
+*[New in v1.8.2](https://github.com/AlexxIT/go2rtc/releases/tag/v1.8.2)*
+
+Like `echo` source, but uses the built-in [expr](https://github.com/antonmedv/expr) expression language ([read more](https://github.com/AlexxIT/go2rtc/blob/master/internal/expr/README.md)).
+
 #### Source: HomeKit
 
 **Important:**
@@ -457,6 +473,8 @@ RTSP link with "normal" audio for any player: `rtsp://192.168.1.123:8554/aqara_g
 
 #### Source: Bubble
 
+*[New in v1.6.1](https://github.com/AlexxIT/go2rtc/releases/tag/v1.6.1)*
+
 Other names: [ESeeCloud](http://www.eseecloud.com/), [dvr163](http://help.dvr163.com/).
 
 - you can skip `username`, `password`, `port`, `ch` and `stream` if they are default
@@ -469,6 +487,8 @@ streams:
 
 #### Source: DVRIP
 
+*[New in v1.2.0](https://github.com/AlexxIT/go2rtc/releases/tag/v1.2.0)*
+
 Other names: DVR-IP, NetSurveillance, Sofia protocol (NETsurveillance ActiveX plugin XMeye SDK).
 
 - you can skip `username`, `password`, `port`, `channel` and `subtype` if they are default
@@ -478,27 +498,43 @@ Other names: DVR-IP, NetSurveillance, Sofia protocol (NETsurveillance ActiveX pl
 
 ```yaml
 streams:
-  camera1: dvrip://username:password@192.168.1.123:34567?channel=0&subtype=0
+  only_stream: dvrip://username:password@192.168.1.123:34567?channel=0&subtype=0
+  only_tts: dvrip://username:password@192.168.1.123:34567?backchannel=1
+  two_way_audio:
+    - dvrip://username:password@192.168.1.123:34567?channel=0&subtype=0
+    - dvrip://username:password@192.168.1.123:34567?backchannel=1
 ```
 
 #### Source: Tapo
 
+*[New in v1.2.0](https://github.com/AlexxIT/go2rtc/releases/tag/v1.2.0)*
+
 [TP-Link Tapo](https://www.tapo.com/) proprietary camera protocol with **two way audio** support.
 
 - stream quality is the same as [RTSP protocol](https://www.tapo.com/en/faq/34/)
 - use the **cloud password**, this is not the RTSP password! you do not need to add a login!
 - you can also use UPPERCASE MD5 hash from your cloud password with `admin` username
+- some new camera firmwares requires SHA256 instead of MD5
 
 ```yaml
 streams:
   # cloud password without username
   camera1: tapo://cloud-password@192.168.1.123
   # admin username and UPPERCASE MD5 cloud-password hash
-  camera2: tapo://admin:MD5-PASSWORD-HASH@192.168.1.123
+  camera2: tapo://admin:UPPERCASE-MD5@192.168.1.123
+  # admin username and UPPERCASE SHA256 cloud-password hash
+  camera3: tapo://admin:UPPERCASE-SHA256@192.168.1.123
+```
+
+```bash
+echo -n "cloud password" | md5 | awk '{print toupper($0)}'
+echo -n "cloud password" | shasum -a 256 | awk '{print toupper($0)}'
 ```
 
 #### Source: Kasa
 
+*[New in v1.7.0](https://github.com/AlexxIT/go2rtc/releases/tag/v1.7.0)*
+
 [TP-Link Kasa](https://www.kasasmart.com/) non-standard protocol [more info](https://medium.com/@hu3vjeen/reverse-engineering-tp-link-kc100-bac4641bf1cd).
 
 ```yaml
@@ -506,6 +542,12 @@ streams:
   kasa: kasa://user:pass@192.168.1.123:19443/https/stream/mixed
 ```
 
+#### Source: GoPro
+
+*[New in v1.8.3](https://github.com/AlexxIT/go2rtc/releases/tag/v1.8.3)*
+
+Support streaming from [GoPro](https://gopro.com/) cameras, connected via USB or Wi-Fi to Linux, Mac, Windows. [Read more](https://github.com/AlexxIT/go2rtc/tree/master/internal/gopro).
+
 #### Source: Ivideon
 
 Support public cameras from service [Ivideon](https://tv.ivideon.com/).
@@ -533,7 +575,7 @@ streams:
   aqara_g3: hass:Camera-Hub-G3-AB12
 ```
 
-**WebRTC Cameras**
+**WebRTC Cameras** (*from [v1.6.0](https://github.com/AlexxIT/go2rtc/releases/tag/v1.6.0)*)
 
 Any cameras in WebRTC format are supported. But at the moment Home Assistant only supports some [Nest](https://www.home-assistant.io/integrations/nest/) cameras in this fomat.
 
@@ -553,6 +595,8 @@ By default, the Home Assistant API does not allow you to get dynamic RTSP link t
 
 #### Source: ISAPI
 
+*[New in v1.3.0](https://github.com/AlexxIT/go2rtc/releases/tag/v1.3.0)*
+
 This source type support only backchannel audio for Hikvision ISAPI protocol. So it should be used as second source in addition to the RTSP protocol.
 
 ```yaml
@@ -564,6 +608,8 @@ streams:
 
 #### Source: Nest
 
+*[New in v1.6.0](https://github.com/AlexxIT/go2rtc/releases/tag/v1.6.0)*
+
 Currently only WebRTC cameras are supported. Stream reconnects every 5 minutes.
 
 For simplicity, it is recommended to connect the Nest/WebRTC camera to the [Home Assistant](#source-hass). But if you can somehow get the below parameters - Nest/WebRTC source will work without Hass.
@@ -575,6 +621,8 @@ streams:
 
 #### Source: Roborock
 
+*[New in v1.3.0](https://github.com/AlexxIT/go2rtc/releases/tag/v1.3.0)*
+
 This source type support Roborock vacuums with cameras. Known working models:
 
 - Roborock S6 MaxV - only video (the vacuum has no microphone)
@@ -586,25 +634,27 @@ If you have graphic pin for your vacuum - add it as numeric pin (lines: 123, 456
 
 #### Source: WebRTC
 
+*[New in v1.3.0](https://github.com/AlexxIT/go2rtc/releases/tag/v1.3.0)*
+
 This source type support four connection formats.
 
 **whep**
 
-[WebRTC/WHEP](https://www.ietf.org/id/draft-murillo-whep-01.html) - is an unapproved standard for WebRTC video/audio viewers. But it may already be supported in some third-party software. It is supported in go2rtc.
+[WebRTC/WHEP](https://www.ietf.org/id/draft-murillo-whep-02.html) - is an unapproved standard for WebRTC video/audio viewers. But it may already be supported in some third-party software. It is supported in go2rtc.
 
 **go2rtc**
 
 This format is only supported in go2rtc. Unlike WHEP it supports asynchronous WebRTC connection and two way audio.
 
-**openipc**
+**openipc** (*from [v1.7.0](https://github.com/AlexxIT/go2rtc/releases/tag/v1.7.0)*)
 
 Support connection to [OpenIPC](https://openipc.org/) cameras.
 
-**wyze**
+**wyze** (*from [v1.6.1](https://github.com/AlexxIT/go2rtc/releases/tag/v1.6.1)*)
 
 Supports connection to [Wyze](https://www.wyze.com/) cameras, using WebRTC protocol. You can use [docker-wyze-bridge](https://github.com/mrlt8/docker-wyze-bridge) project to get connection credentials.
 
-**kinesis**
+**kinesis** (*from [v1.6.1](https://github.com/AlexxIT/go2rtc/releases/tag/v1.6.1)*)
 
 Supports [Amazon Kinesis Video Streams](https://aws.amazon.com/kinesis/video-streams/), using WebRTC protocol. You need to specify signalling WebSocket URL with all credentials in query params, `client_id` and `ice_servers` list in [JSON format](https://developer.mozilla.org/en-US/docs/Web/API/RTCIceServer).
 
@@ -621,6 +671,8 @@ streams:
 
 #### Source: WebTorrent
 
+*[New in v1.3.0](https://github.com/AlexxIT/go2rtc/releases/tag/v1.3.0)*
+
 This source can get a stream from another go2rtc via [WebTorrent](#module-webtorrent) protocol.
 
 ```yaml
@@ -632,7 +684,7 @@ streams:
 
 By default, go2rtc establishes a connection to the source when any client requests it. Go2rtc drops the connection to the source when it has no clients left.
 
-- Go2rtc also can accepts incoming sources in [RTSP](#source-rtsp), [HTTP](#source-http) and **WebRTC/WHIP** formats
+- Go2rtc also can accepts incoming sources in [RTSP](#module-rtsp), [RTMP](#module-rtmp), [HTTP](#source-http) and **WebRTC/WHIP** formats
 - Go2rtc won't stop such a source if it has no clients
 - You can push data only to existing stream (create stream with empty source in config)
 - You can push multiple incoming sources to same stream
@@ -659,6 +711,8 @@ By default, go2rtc establishes a connection to the source when any client reques
 
 #### Incoming: Browser
 
+*[New in v1.3.0](https://github.com/AlexxIT/go2rtc/releases/tag/v1.3.0)*
+
 You can turn the browser of any PC or mobile into an IP-camera with support video and two way audio. Or even broadcast your PC screen:
 
 1. Create empty stream in the `go2rtc.yaml`
@@ -669,12 +723,16 @@ You can turn the browser of any PC or mobile into an IP-camera with support vide
 
 #### Incoming: WebRTC/WHIP
 
+*[New in v1.3.0](https://github.com/AlexxIT/go2rtc/releases/tag/v1.3.0)*
+
 You can use **OBS Studio** or any other broadcast software with [WHIP](https://www.ietf.org/archive/id/draft-ietf-wish-whip-01.html) protocol support. This standard has not yet been approved. But you can download OBS Studio [dev version](https://github.com/obsproject/obs-studio/actions/runs/3969201209):
 
 - Settings > Stream > Service: WHIP > http://192.168.1.123:1984/api/webrtc?dst=camera1
 
 #### Stream to camera
 
+*[New in v1.3.0](https://github.com/AlexxIT/go2rtc/releases/tag/v1.3.0)*
+
 go2rtc support play audio files (ex. music or [TTS](https://www.home-assistant.io/integrations/#text-to-speech)) and live streams (ex. radio) on cameras with [two way audio](#two-way-audio) support (RTSP/ONVIF cameras, TP-Link Tapo, Hikvision ISAPI, Roborock vacuums, any Browser).
 
 API example:
@@ -693,6 +751,41 @@ POST http://localhost:1984/api/streams?dst=camera1&src=ffmpeg:http://example.com
 - you can stop active playback by calling the API with the empty `src` parameter
 - you will see one active producer and one active consumer in go2rtc WebUI info page during streaming
 
+### Publish stream
+
+*[New in v1.8.0](https://github.com/AlexxIT/go2rtc/releases/tag/v1.8.0)*
+
+You can publish any stream to streaming services (YouTube, Telegram, etc.) via RTMP/RTMPS. Important:
+
+- Supported codecs: H264 for video and AAC for audio
+- Pixel format should be `yuv420p`, for cameras with `yuvj420p` format you SHOULD use [transcoding](#source-ffmpeg)
+- You don't need to enable [RTMP module](#module-rtmp) listening for this task
+
+You can use API:
+
+```
+POST http://localhost:1984/api/streams?src=camera1&dst=rtmps://...
+```
+
+Or config file:
+
+```yaml
+publish:
+  # publish stream "tplink_tapo" to Telegram
+  tplink_tapo: rtmps://xxx-x.rtmp.t.me/s/xxxxxxxxxx:xxxxxxxxxxxxxxxxxxxxxx
+  # publish stream "other_camera" to Telegram and YouTube
+  other_camera:
+    - rtmps://xxx-x.rtmp.t.me/s/xxxxxxxxxx:xxxxxxxxxxxxxxxxxxxxxx
+    - rtmps://xxx.rtmp.youtube.com/live2/xxxx-xxxx-xxxx-xxxx-xxxx
+
+streams:
+  # for TP-Link cameras it's important to use transcoding because of wrong pixel format
+  tplink_tapo: ffmpeg:rtsp://user:pass@192.168.1.123/stream1#video=h264#hardware#audio=aac
+```
+
+- **Telegram Desktop App** > Any public or private channel or group (where you admin) > Live stream > Start with... > Start streaming.
+- **YouTube** > Create > Go live > Stream latency: Ultra low-latency > Copy: Stream URL + Stream key.
+
 ### Module: API
 
 The HTTP API is the main part for interacting with the application. Default address: `http://localhost:1984/`.
@@ -705,6 +798,7 @@ The HTTP API is the main part for interacting with the application. Default addr
 - you can enable HTTP API only on localhost with `listen: "127.0.0.1:1984"` setting
 - you can change API `base_path` and host go2rtc on your main app webserver suburl
 - all files from `static_dir` hosted on root path: `/`
+- you can use raw TLS cert/key content or path to files
 
 ```yaml
 api:
@@ -753,6 +847,19 @@ By default go2rtc provide RTSP-stream with only one first video and only one fir
 
 Read more about [codecs filters](#codecs-filters).
 
+### Module: RTMP
+
+*[New in v1.8.0](https://github.com/AlexxIT/go2rtc/releases/tag/v1.8.0)*
+
+You can get any stream as RTMP-stream: `rtmp://192.168.1.123/{stream_name}`. Only H264/AAC codecs supported right now.
+
+[Incoming stream](#incoming-sources) in RTMP-format tested only with [OBS Studio](https://obsproject.com/) and Dahua camera. Different FFmpeg versions has differnt problems with this format. 
+
+```yaml
+rtmp:
+  listen: ":1935"  # by default - disabled!
+```
+
 ### Module: WebRTC
 
 In most cases [WebRTC](https://en.wikipedia.org/wiki/WebRTC) uses direct peer-to-peer connection from your browser to go2rtc and sends media data via UDP.
@@ -796,7 +903,7 @@ webrtc:
 
 **Private IP**
 
-- setup integration with [Ngrok service](#module-ngrok)
+- setup integration with [ngrok service](#module-ngrok)
 
 ```yaml
 ngrok:
@@ -822,6 +929,8 @@ webrtc:
 
 ### Module: HomeKit
 
+*[New in v1.7.0](https://github.com/AlexxIT/go2rtc/releases/tag/v1.7.0)*
+
 HomeKit module can work in two modes:
 
 - export any H264 camera to Apple HomeKit
@@ -874,6 +983,8 @@ homekit:
 
 ### Module: WebTorrent
 
+*[New in v1.3.0](https://github.com/AlexxIT/go2rtc/releases/tag/v1.3.0)*
+
 This module support:
 
 - Share any local stream via [WebTorrent](https://webtorrent.io/) technology
@@ -898,29 +1009,29 @@ Link example: https://alexxit.github.io/go2rtc/#share=02SNtgjKXY&pwd=wznEQqznxW&
 
 TODO: article how it works...
 
-### Module: Ngrok
+### Module: ngrok
 
-With Ngrok integration you can get external access to your streams in situation when you have Internet with private IP-address.
+With ngrok integration you can get external access to your streams in situations when you have Internet with private IP-address.
 
-- Ngrok preistalled for **Docker** and **Hass Add-on** users
+- ngrok is pre-installed for **Docker** and **Hass Add-on** users
 - you may need external access for two different things:
   - WebRTC stream, so you need tunnel WebRTC TCP port (ex. 8555)
   - go2rtc web interface, so you need tunnel API HTTP port (ex. 1984)
-- Ngrok support authorization for your web interface
-- Ngrok automatically adds HTTPS to your web interface
+- ngrok support authorization for your web interface
+- ngrok automatically adds HTTPS to your web interface
 
-Ngrok free subscription limitations:
+The ngrok free subscription has the following limitations:
 
-- you will always get random external address (not a problem for webrtc stream)
-- you can forward multiple ports but use only one Ngrok app
+- You can reserve a free domain for serving the web interface, but the TCP address you get will always be random and change with each restart of the ngrok agent (not a problem for webrtc stream)
+- You can forward multiple ports from a single agent, but you can only run one ngrok agent on the free plan
 
 go2rtc will automatically get your external TCP address (if you enable it in ngrok config) and use it with WebRTC connection (if you enable it in webrtc config).
 
-You need manually download [Ngrok agent app](https://ngrok.com/download) for your OS and register in [Ngrok service](https://ngrok.com/).
+You need to manually download the [ngrok agent app](https://ngrok.com/download) for your OS and register with the [ngrok service](https://ngrok.com/signup).
 
 **Tunnel for only WebRTC Stream**
 
-You need to add your [Ngrok token](https://dashboard.ngrok.com/get-started/your-authtoken) and WebRTC TCP port to YAML:
+You need to add your [ngrok authtoken](https://dashboard.ngrok.com/get-started/your-authtoken) and WebRTC TCP port to YAML:
 
 ```yaml
 ngrok:
@@ -936,7 +1047,7 @@ ngrok:
   command: ngrok start --all --config ngrok.yaml
 ```
 
-Ngrok config example:
+ngrok config example:
 
 ```yaml
 version: "2"
@@ -952,6 +1063,8 @@ tunnels:
     proto: tcp
 ```
 
+See the [ngrok agent documentation](https://ngrok.com/docs/agent/config/) for more details on the ngrok configuration file.
+
 ### Module: Hass
 
 The best and easiest way to use go2rtc inside the Home Assistant is to install the custom integration [WebRTC Camera](#go2rtc-home-assistant-integration) and custom lovelace card.
@@ -1015,6 +1128,8 @@ Read more about [codecs filters](#codecs-filters).
 
 ### Module: HLS
 
+*[New in v1.1.0](https://github.com/AlexxIT/go2rtc/releases/tag/v1.1.0)*
+
 [HLS](https://en.wikipedia.org/wiki/HTTP_Live_Streaming) is the worst technology for real-time streaming. It can only be useful on devices that do not support more modern technology, like [WebRTC](#module-webrtc), [MSE/MP4](#module-mp4).
 
 The go2rtc implementation differs from the standards and may not work with all players.
@@ -1091,7 +1206,7 @@ webrtc:
 - external access to WebRTC TCP port is not a problem, because it used only for transmit encrypted media data
   - anyway you need to open this port to your local network and to the Internet in order for WebRTC to work
 
-If you need Web interface protection without Home Assistant Add-on - you need to use reverse proxy, like [Nginx](https://nginx.org/), [Caddy](https://caddyserver.com/), [Ngrok](https://ngrok.com/), etc.
+If you need Web interface protection without Home Assistant Add-on - you need to use reverse proxy, like [Nginx](https://nginx.org/), [Caddy](https://caddyserver.com/), [ngrok](https://ngrok.com/), etc.
 
 PS. Additionally WebRTC will try to use the 8555 UDP port for transmit encrypted media. It works without problems on the local network. And sometimes also works for external access, even if you haven't opened this port on your router ([read more](https://en.wikipedia.org/wiki/UDP_hole_punching)). But for stable external WebRTC access, you need to open the 8555 port on your router for both TCP and UDP.
 
@@ -1122,17 +1237,14 @@ Some examples:
 
 `AVC/H.264` video can be played almost anywhere. But `HEVC/H.265` has a lot of limitations in supporting with different devices and browsers. It's all about patents and money, you can't do anything about it.
 
-| Device              | WebRTC                        | MSE                           | HTTP                               | HLS                    |
-|---------------------|-------------------------------|-------------------------------|------------------------------------|------------------------|
-| *latency*           | best                          | medium                        | bad                                | bad                    |
-| Desktop Chrome 107+ | H264, OPUS, PCMU, PCMA        | H264, H265*, AAC, FLAC*, OPUS | H264, H265*, AAC, FLAC*, OPUS, MP3 | no                     |
-| Desktop Edge        | H264, OPUS, PCMU, PCMA        | H264, H265*, AAC, FLAC*, OPUS | H264, H265*, AAC, FLAC*, OPUS, MP3 | no                     |
-| Android Chrome 107+ | H264, OPUS, PCMU, PCMA        | H264, H265*, AAC, FLAC*, OPUS | H264, H265*, AAC, FLAC*, OPUS, MP3 | no                     |
-| Desktop Firefox     | H264, OPUS, PCMU, PCMA        | H264, AAC, FLAC*, OPUS        | H264, AAC, FLAC*, OPUS             | no                     |
-| Desktop Safari 14+  | H264, H265*, OPUS, PCMU, PCMA | H264, H265, AAC, FLAC*        | **no!**                            | H264, H265, AAC, FLAC* |
-| iPad Safari 14+     | H264, H265*, OPUS, PCMU, PCMA | H264, H265, AAC, FLAC*        | **no!**                            | H264, H265, AAC, FLAC* |
-| iPhone Safari 14+   | H264, H265*, OPUS, PCMU, PCMA | **no!**                       | **no!**                            | H264, H265, AAC, FLAC* |
-| macOS [Hass App][1] | no                            | no                            | no                                 | H264, H265, AAC, FLAC* |
+| Device                                                                   | WebRTC                                  | MSE                                     | HTTP*                                        | HLS                         |
+|--------------------------------------------------------------------------|-----------------------------------------|-----------------------------------------|----------------------------------------------|-----------------------------|
+| *latency*                                                                | best                                    | medium                                  | bad                                          | bad                         |
+| - Desktop Chrome 107+ <br/> - Desktop Edge <br/> - Android Chrome 107+   | H264 <br/> PCMU, PCMA <br/> OPUS        | H264, H265* <br/> AAC, FLAC* <br/> OPUS | H264, H265* <br/> AAC, FLAC* <br/> OPUS, MP3 | no                          |
+| Desktop Firefox                                                          | H264 <br/> PCMU, PCMA <br/> OPUS        | H264 <br/> AAC, FLAC* <br/> OPUS        | H264 <br/> AAC, FLAC* <br/> OPUS             | no                          |
+| - Desktop Safari 14+ <br/> - iPad Safari 14+ <br/> - iPhone Safari 17.1+ | H264, H265* <br/> PCMU, PCMA <br/> OPUS | H264, H265 <br/> AAC, FLAC*             | **no!**                                      | H264, H265 <br/> AAC, FLAC* |
+| iPhone Safari 14+                                                        | H264, H265* <br/> PCMU, PCMA <br/> OPUS | **no!**                                 | **no!**                                      | H264, H265 <br/> AAC, FLAC* |
+| macOS [Hass App][1]                                                      | no                                      | no                                      | no                                           | H264, H265 <br/> AAC, FLAC* |
 
 [1]: https://apps.apple.com/app/home-assistant/id1099568401
 
@@ -1159,8 +1271,8 @@ Some examples:
 
 - H264 = H.264 = AVC (Advanced Video Coding)
 - H265 = H.265 = HEVC (High Efficiency Video Coding)
-- PCMU = G.711 PCM (A-law) = PCM A-law (`alaw`)
-- PCMA = G.711 PCM (µ-law) = PCM mu-law (`mulaw`)
+- PCMA = G.711 PCM (A-law) = PCM A-law (`alaw`)
+- PCMU = G.711 PCM (µ-law) = PCM mu-law (`mulaw`)
 - PCM = L16 = PCM signed 16-bit big-endian (`s16be`)
 - AAC = MPEG4-GENERIC
 - MP3 = MPEG-1 Audio Layer III or MPEG-2 Audio Layer III
@@ -1227,14 +1339,21 @@ streams:
 
 - [Frigate 12+](https://frigate.video/) - open source NVR built around real-time AI object detection
 - [Frigate Lovelace Card](https://github.com/dermotduffy/frigate-hass-card) - custom card for Home Assistant
-- [ring-mqtt](https://github.com/tsightler/ring-mqtt) - Ring devices to MQTT Bridge
+- [OpenIPC](https://github.com/OpenIPC/firmware/tree/master/general/package/go2rtc) - Alternative IP Camera firmware from an open community
+- [wz_mini_hacks](https://github.com/gtxaspec/wz_mini_hacks) - Custom firmware for Wyze cameras
 - [EufyP2PStream](https://github.com/oischinger/eufyp2pstream) - A small project that provides a Video/Audio Stream from Eufy cameras that don't directly support RTSP
 - [ioBroker.euSec](https://github.com/bropat/ioBroker.eusec) - [ioBroker](https://www.iobroker.net/) adapter for control Eufy security devices
-- [wz_mini_hacks](https://github.com/gtxaspec/wz_mini_hacks) - Custom firmware for Wyze cameras
 - [MMM-go2rtc](https://github.com/Anonym-tsk/MMM-go2rtc) - MagicMirror² Module
+- [ring-mqtt](https://github.com/tsightler/ring-mqtt) - Ring devices to MQTT Bridge
+
+**Distributions**
+
 - [Alpine Linux](https://pkgs.alpinelinux.org/packages?name=go2rtc)
+- [Gentoo](https://github.com/inode64/inode64-overlay/tree/main/media-video/go2rtc)
 - [NixOS](https://search.nixos.org/packages?query=go2rtc)
 - [Proxmox Helper Scripts](https://tteck.github.io/Proxmox/)
+- [QNAP](https://www.myqnap.org/product/go2rtc/)
+- [Synology NAS](https://synocommunity.com/package/go2rtc)
 - [Unraid](https://unraid.net/community/apps?q=go2rtc)
 
 ## Cameras experience

api/openapi.yaml

@@ -1,4 +1,4 @@
-openapi: 3.0.0
+openapi: 3.1.0
 
 info:
   title: go2rtc
@@ -111,9 +111,18 @@ paths:
           required: false
           schema: { type: integer }
           example: 100
-      responses: { }
-
+      responses:
+            default:
+              description: Default response
 
+  /api/restart:
+    post:
+      summary: Restart Daemon
+      description: Restarts the daemon.
+      tags: [ Application ]
+      responses:
+            default:
+              description: Default response
 
   /api/config:
     get:
@@ -130,14 +139,18 @@ paths:
       requestBody:
         content:
           "*/*": { example: "streams:..." }
-      responses: { }
+      responses:
+            default:
+              description: Default response
     patch:
       summary: Merge changes to main config file
       tags: [ Config ]
       requestBody:
         content:
           "*/*": { example: "streams:..." }
-      responses: { }
+      responses:
+            default:
+              description: Default response
 
 
 
@@ -166,7 +179,9 @@ paths:
           required: false
           schema: { type: string }
           example: camera1
-      responses: { }
+      responses:
+            default:
+              description: Default response
     patch:
       summary: Update stream source
       tags: [ Streams list ]
@@ -183,7 +198,9 @@ paths:
           required: true
           schema: { type: string }
           example: camera1
-      responses: { }
+      responses:
+            default:
+              description: Default response
     delete:
       summary: Delete stream
       tags: [ Streams list ]
@@ -194,7 +211,9 @@ paths:
           required: true
           schema: { type: string }
           example: camera1
-      responses: { }
+      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)"
@@ -212,7 +231,9 @@ paths:
           required: true
           schema: { type: string }
           example: camera1
-      responses: { }
+      responses:
+            default:
+              description: Default response
 
 
 
@@ -347,7 +368,9 @@ paths:
       tags: [ Produce stream ]
       parameters:
         - $ref: "#/components/parameters/stream_dst_path"
-      responses: { }
+      responses:
+            default:
+              description: Default response
   /api/stream.flv?dst={dst}:
     post:
       summary: Post stream in FLV format
@@ -355,7 +378,9 @@ paths:
       tags: [ Produce stream ]
       parameters:
         - $ref: "#/components/parameters/stream_dst_path"
-      responses: { }
+      responses:
+            default:
+              description: Default response
   /api/stream.ts?dst={dst}:
     post:
       summary: Post stream in MPEG-TS format
@@ -363,7 +388,9 @@ paths:
       tags: [ Produce stream ]
       parameters:
         - $ref: "#/components/parameters/stream_dst_path"
-      responses: { }
+      responses:
+            default:
+              description: Default response
   /api/stream.mjpeg?dst={dst}:
     post:
       summary: Post stream in MJPEG format
@@ -371,7 +398,9 @@ paths:
       tags: [ Produce stream ]
       parameters:
         - $ref: "#/components/parameters/stream_dst_path"
-      responses: { }
+      responses:
+            default:
+              description: Default response
 
 
 
@@ -380,49 +409,65 @@ paths:
       summary: DVRIP cameras discovery
       description: "[Source: DVRIP](https://github.com/AlexxIT/go2rtc#source-dvrip)"
       tags: [ Discovery ]
-      responses: { }
+      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: { }
+      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: { }
+      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: { }
+      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: { }
+      responses:
+            default:
+              description: Default response
   /api/nest:
     get:
       summary: Nest cameras discovery
       tags: [ Discovery ]
-      responses: { }
+      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: { }
+      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: { }
+      responses:
+            default:
+              description: Default response
 
 
 
@@ -431,7 +476,9 @@ paths:
       summary: ONVIF server implementation
       description: Simple realisation of the ONVIF protocol. Accepts any suburl requests
       tags: [ ONVIF ]
-      responses: { }
+      responses:
+            default:
+              description: Default response
 
 
 
@@ -440,7 +487,9 @@ paths:
       summary: RTSPtoWebRTC server implementation
       description: Simple API for support [RTSPtoWebRTC](https://www.home-assistant.io/integrations/rtsp_to_webrtc/) integration
       tags: [ RTSPtoWebRTC ]
-      responses: { }
+      responses:
+            default:
+              description: Default response
 
 
 
@@ -465,7 +514,9 @@ paths:
       tags: [ WebTorrent ]
       parameters:
         - $ref: "#/components/parameters/stream_src_path"
-      responses: { }
+      responses:
+            default:
+              description: Default response
 
   /api/webtorrent:
     get:

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)
+	}
+}

go.mod

@@ -3,42 +3,45 @@ module github.com/AlexxIT/go2rtc
 go 1.21
 
 require (
-	github.com/gorilla/websocket v1.5.0
-	github.com/miekg/dns v1.1.55
+	github.com/asticode/go-astits v1.13.0
+	github.com/expr-lang/expr v1.15.7
+	github.com/gorilla/websocket v1.5.1
+	github.com/miekg/dns v1.1.57
 	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/interceptor v0.1.25
+	github.com/pion/rtcp v1.2.13
+	github.com/pion/rtp v1.8.3
 	github.com/pion/sdp/v3 v3.0.6
-	github.com/pion/srtp/v2 v2.0.17
+	github.com/pion/srtp/v2 v2.0.18
 	github.com/pion/stun v0.6.1
-	github.com/pion/webrtc/v3 v3.2.19
-	github.com/rs/zerolog v1.30.0
+	github.com/pion/webrtc/v3 v3.2.24
+	github.com/rs/zerolog v1.31.0
 	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
+	golang.org/x/crypto v0.17.0
 	gopkg.in/yaml.v3 v3.0.1
 )
 
 require (
+	github.com/asticode/go-astikit v0.30.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/google/uuid v1.3.1 // indirect
+	github.com/google/uuid v1.5.0 // 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/mattn/go-isatty v0.0.20 // indirect
 	github.com/pion/datachannel v1.5.5 // indirect
-	github.com/pion/dtls/v2 v2.2.7 // indirect
+	github.com/pion/dtls/v2 v2.2.8 // indirect
 	github.com/pion/logging v0.2.2 // indirect
 	github.com/pion/mdns v0.0.9 // indirect
 	github.com/pion/randutil v0.1.0 // 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/pion/turn/v2 v2.1.4 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	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
+	golang.org/x/mod v0.14.0 // indirect
+	golang.org/x/net v0.19.0 // indirect
+	golang.org/x/sys v0.15.0 // indirect
+	golang.org/x/tools v0.16.1 // indirect
 )

go.sum

@@ -1,7 +1,13 @@
+github.com/asticode/go-astikit v0.30.0 h1:DkBkRQRIxYcknlaU7W7ksNfn4gMFsB0tqMJflxkRsZA=
+github.com/asticode/go-astikit v0.30.0/go.mod h1:h4ly7idim1tNhaVkdVBeXQZEE3L0xblP7fCWbgwipF0=
+github.com/asticode/go-astits v1.13.0 h1:XOgkaadfZODnyZRR5Y0/DWkA9vrkLLPLeeOvDwfKZ1c=
+github.com/asticode/go-astits v1.13.0/go.mod h1:QSHmknZ51pf6KJdHKZHJTLlMegIrhega3LPWz3ND/iI=
 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/expr-lang/expr v1.15.7 h1:BK0JcWUkoW6nrbLBo6xCKhz4BvH5DSOOu1Gx5lucyZo=
+github.com/expr-lang/expr v1.15.7/go.mod h1:uCkhfG+x7fcZ5A5sXHKuQ07jGZRl6J0FCAaf2k4PtVQ=
 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-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0/go.mod h1:fyg7847qk6SyHyPtNmDHnmrv/HOrqktSC+C9fM+CJOE=
@@ -19,10 +25,11 @@ 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 v1.3.1 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/google/uuid v1.5.0 h1:1p67kYwdtXjb0gL0BPiP1Av9wiZPo5A8z2cWkTZ+eyU=
+github.com/google/uuid v1.5.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/gorilla/websocket v1.5.1 h1:gmztn0JnHVt9JZquRuzLw3g4wouNVzKL15iLr/zn/QY=
+github.com/gorilla/websocket v1.5.1/go.mod h1:x3kM2JMyaluk02fnUJpQuwD2dCS5NDG2ZHL0uE0tcaY=
 github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
 github.com/kr/pretty v0.2.1 h1:Fmg33tUaq4/8ym9TJN1x7sLJnHVwhP33CNkpYV/7rwI=
@@ -30,15 +37,14 @@ github.com/kr/pretty v0.2.1/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfn
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
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@@ -50,13 +56,13 @@ github.com/onsi/gomega v1.10.1/go.mod h1:iN09h71vgCQne3DLsj+A5owkum+a2tYe+TOCB1y
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@@ -64,18 +70,21 @@ github.com/pion/mdns v0.0.9 h1:7Ue5KZsqq8EuqStnpPWV33vYYEH0+skdDN5L7EiEsI4=
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@@ -87,16 +96,18 @@ github.com/pion/transport/v2 v2.2.4 h1:41JJK6DZQYSeVLxILA2+F4ZkKb4Xd/tFJZRFZQ9QA
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@@ -105,6 +116,7 @@ github.com/sigurn/crc8 v0.0.0-20220107193325-2243fe600f9f/go.mod h1:vQhwQ4meQEDf
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@@ -124,13 +136,14 @@ golang.org/x/crypto v0.8.0/go.mod h1:mRqEX+O9/h5TFCrQhkgjo2yKi0yYA+9ecGkdQoHrywE
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@@ -146,15 +159,16 @@ golang.org/x/net v0.10.0/go.mod h1:0qNGK6F8kojg2nk9dLZ2mShWaEBan6FAoqfSigmmuDg=
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@@ -167,8 +181,6 @@ golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20210112080510-489259a85091/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20210927094055-39ccf1dd6fa6/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
@@ -181,8 +193,9 @@ 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/sys v0.15.0 h1:h48lPFYpsTvQJZF4EKyI4aLHaev3CxivZmv7yZig9pc=
+golang.org/x/sys v0.15.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 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=
@@ -209,8 +222,8 @@ golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtn
 golang.org/x/tools v0.0.0-20201224043029-2b0845dc783e/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
 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/tools v0.16.1 h1:TLyB3WofjdOEepBHAU20JdNC1Zbg87elYofWYAY5oZA=
+golang.org/x/tools v0.16.1/go.mod h1:kYVVN6I1mBNoB1OX+noeBjbRk4IUEPa7JJ+TJMEooJ0=
 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=

internal/api/api.go

@@ -10,33 +10,36 @@ import (
 	"strconv"
 	"strings"
 	"sync"
+	"syscall"
 
 	"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"`
+			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"`
+			UnixListen string `yaml:"unix_listen"`
 		} `yaml:"api"`
 	}
 
 	// default config
-	cfg.Mod.Listen = "0.0.0.0:1984"
+	cfg.Mod.Listen = ":1984"
 
 	// load config from YAML
 	app.LoadConfig(&cfg)
 
-	if cfg.Mod.Listen == "" {
+	if cfg.Mod.Listen == "" && cfg.Mod.UnixListen == "" && cfg.Mod.TLSListen == "" {
 		return
 	}
 
@@ -48,16 +51,8 @@ func Init() {
 	HandleFunc("api", apiHandler)
 	HandleFunc("api/config", configHandler)
 	HandleFunc("api/exit", exitHandler)
-
-	// 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")
+	HandleFunc("api/restart", restartHandler)
+	HandleFunc("api/log", logHandler)
 
 	Handler = http.DefaultServeMux // 4th
 
@@ -73,52 +68,74 @@ func Init() {
 		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")
-		}
-	}()
+	if cfg.Mod.Listen != "" {
+		go listen("tcp", cfg.Mod.Listen)
+	}
+
+	if cfg.Mod.UnixListen != "" {
+		_ = syscall.Unlink(cfg.Mod.UnixListen)
+		go listen("unix", cfg.Mod.UnixListen)
+	}
 
 	// Initialize the HTTPS server
 	if cfg.Mod.TLSListen != "" && cfg.Mod.TLSCert != "" && cfg.Mod.TLSKey != "" {
-		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")
-			}
-		}()
+		go tlsListen("tcp", cfg.Mod.TLSListen, cfg.Mod.TLSCert, cfg.Mod.TLSKey)
 	}
 }
 
-func Port() int {
-	if ln == nil {
-		return 0
+func listen(network, address string) {
+	ln, err := net.Listen(network, address)
+	if err != nil {
+		log.Error().Err(err).Msg("[api] listen")
+		return
+	}
+
+	log.Info().Str("addr", address).Msg("[api] listen")
+
+	if network == "tcp" {
+		Port = ln.Addr().(*net.TCPAddr).Port
+	}
+
+	server := http.Server{Handler: Handler}
+	if err = server.Serve(ln); err != nil {
+		log.Fatal().Err(err).Msg("[api] serve")
 	}
-	return ln.Addr().(*net.TCPAddr).Port
 }
 
+func tlsListen(network, address, certFile, keyFile string) {
+	var cert tls.Certificate
+	var err error
+	if strings.IndexByte(certFile, '\n') < 0 && strings.IndexByte(keyFile, '\n') < 0 {
+		// check if file path
+		cert, err = tls.LoadX509KeyPair(certFile, keyFile)
+	} else {
+		// if text file content
+		cert, err = tls.X509KeyPair([]byte(certFile), []byte(keyFile))
+	}
+	if err != nil {
+		log.Error().Err(err).Caller().Send()
+		return
+	}
+
+	ln, err := net.Listen(network, address)
+	if err != nil {
+		log.Error().Err(err).Msg("[api] tls listen")
+		return
+	}
+
+	log.Info().Str("addr", address).Msg("[api] tls listen")
+
+	server := &http.Server{
+		Handler:   Handler,
+		TLSConfig: &tls.Config{Certificates: []tls.Certificate{cert}},
+	}
+	if err = server.ServeTLS(ln, "", ""); err != nil {
+		log.Fatal().Err(err).Msg("[api] tls serve")
+	}
+}
+
+var Port int
+
 const (
 	MimeJSON = "application/json"
 	MimeText = "text/plain"
@@ -178,7 +195,7 @@ func middlewareLog(next http.Handler) http.Handler {
 
 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]") {
+		if !strings.HasPrefix(r.RemoteAddr, "127.") && !strings.HasPrefix(r.RemoteAddr, "[::1]") && r.RemoteAddr != "@" {
 			user, pass, ok := r.BasicAuth()
 			if !ok || user != username || pass != password {
 				w.Header().Set("Www-Authenticate", `Basic realm="go2rtc"`)
@@ -195,12 +212,11 @@ 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")
+		w.Header().Set("Access-Control-Allow-Headers", "Authorization, Content-Type")
 		next.ServeHTTP(w, r)
 	})
 }
 
-var ln net.Listener
 var mu sync.Mutex
 
 func apiHandler(w http.ResponseWriter, r *http.Request) {
@@ -218,10 +234,40 @@ func exitHandler(w http.ResponseWriter, r *http.Request) {
 	}
 
 	s := r.URL.Query().Get("code")
-	code, _ := strconv.Atoi(s)
+	code, err := strconv.Atoi(s)
+
+	// https://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_08_02
+	if err != nil || code < 0 || code > 125 {
+		http.Error(w, "Code must be in the range [0, 125]", http.StatusBadRequest)
+		return
+	}
+
 	os.Exit(code)
 }
 
+func restartHandler(w http.ResponseWriter, r *http.Request) {
+	if r.Method != "POST" {
+		http.Error(w, "", http.StatusBadRequest)
+		return
+	}
+
+	go shell.Restart()
+}
+
+func logHandler(w http.ResponseWriter, r *http.Request) {
+	switch r.Method {
+	case "GET":
+		// Send current state of the log file immediately
+		w.Header().Set("Content-Type", "application/jsonlines")
+		_, _ = app.MemoryLog.WriteTo(w)
+	case "DELETE":
+		app.MemoryLog.Reset()
+		Response(w, "OK", "text/plain")
+	default:
+		http.Error(w, "Method not allowed", http.StatusBadRequest)
+	}
+}
+
 type Source struct {
 	ID       string `json:"id,omitempty"`
 	Name     string `json:"name,omitempty"`

internal/app/app.go

@@ -4,20 +4,17 @@ 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 = "1.7.1"
+var Version = "1.8.5"
 var UserAgent = "go2rtc/" + Version
 
 var ConfigPath string
@@ -86,26 +83,6 @@ func Init() {
 	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 {
@@ -114,18 +91,6 @@ func LoadConfig(v any) {
 	}
 }
 
-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")
@@ -156,6 +121,3 @@ func (c *Config) Set(value string) error {
 }
 
 var configs [][]byte
-
-// modules log levels
-var modules map[string]string

internal/app/log.go

@@ -0,0 +1,117 @@
+package app
+
+import (
+	"io"
+	"os"
+
+	"github.com/rs/zerolog"
+	"github.com/rs/zerolog/log"
+)
+
+var MemoryLog *circularBuffer
+
+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: format == "text",
+		}
+	}
+
+	MemoryLog = newBuffer(16)
+
+	writer = zerolog.MultiLevelWriter(writer, MemoryLog)
+
+	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 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
+}
+
+// modules log levels
+var modules map[string]string
+
+const chunkSize = 1 << 16
+
+type circularBuffer struct {
+	chunks [][]byte
+	r, w   int
+}
+
+func newBuffer(chunks int) *circularBuffer {
+	b := &circularBuffer{chunks: make([][]byte, 0, chunks)}
+	// create first chunk
+	b.chunks = append(b.chunks, make([]byte, 0, chunkSize))
+	return b
+}
+
+func (b *circularBuffer) Write(p []byte) (n int, err error) {
+	n = len(p)
+
+	// check if chunk has size
+	if len(b.chunks[b.w])+n > chunkSize {
+		// increase write chunk index
+		if b.w++; b.w == cap(b.chunks) {
+			b.w = 0
+		}
+		// check overflow
+		if b.r == b.w {
+			// increase read chunk index
+			if b.r++; b.r == cap(b.chunks) {
+				b.r = 0
+			}
+		}
+		// check if current chunk exists
+		if b.w == len(b.chunks) {
+			// allocate new chunk
+			b.chunks = append(b.chunks, make([]byte, 0, chunkSize))
+		} else {
+			// reset len of current chunk
+			b.chunks[b.w] = b.chunks[b.w][:0]
+		}
+	}
+
+	b.chunks[b.w] = append(b.chunks[b.w], p...)
+	return
+}
+
+func (b *circularBuffer) WriteTo(w io.Writer) (n int64, err error) {
+	for i := b.r; ; {
+		var nn int
+		if nn, err = w.Write(b.chunks[i]); err != nil {
+			return
+		}
+		n += int64(nn)
+
+		if i == b.w {
+			break
+		}
+		if i++; i == cap(b.chunks) {
+			i = 0
+		}
+	}
+	return
+}
+
+func (b *circularBuffer) Reset() {
+	b.chunks[0] = b.chunks[0][:0]
+	b.r = 0
+	b.w = 0
+}

internal/dvrip/dvrip.go

@@ -23,17 +23,11 @@ func Init() {
 }
 
 func handle(url string) (core.Producer, error) {
-	conn := dvrip.NewClient(url)
-	if err := conn.Dial(); err != nil {
+	client, err := dvrip.Dial(url)
+	if err != nil {
 		return nil, err
 	}
-	if err := conn.Play(); err != nil {
-		return nil, err
-	}
-	if err := conn.Handle(); err != nil {
-		return nil, err
-	}
-	return conn, nil
+	return client, nil
 }
 
 const Port = 34569 // UDP port number for dvrip discovery

internal/exec/exec.go

@@ -83,7 +83,12 @@ func handlePipe(url string, cmd *exec.Cmd) (core.Producer, error) {
 		return nil, err
 	}
 
-	return magic.Open(r)
+	prod, err := magic.Open(r)
+	if err != nil {
+		_ = r.Close()
+	}
+
+	return prod, err
 }
 
 func handleRTSP(url, path string, cmd *exec.Cmd) (core.Producer, error) {

internal/expr/README.md

@@ -0,0 +1,91 @@
+# Expr
+
+[Expr](https://github.com/antonmedv/expr) - expression language and expression evaluation for Go.
+
+- [language definition](https://expr.medv.io/docs/Language-Definition) - takes best from JS, Python, Jinja2 syntax
+- your expression should return a link of any supported source
+- expression supports multiple operation, but:
+  - all operations must be separated by a semicolon
+  - all operations, except the last one, must declare a new variable (`let s = "abc";`)
+  - the last operation should return a string
+- go2rtc supports additional functions:
+  - `fetch` - JS-like HTTP requests
+  - `match` - JS-like RegExp queries
+
+## Examples
+
+**Two way audio for Dahua VTO**
+
+```yaml
+streams:
+  dahua_vto: |
+    expr: let host = "admin:password@192.168.1.123";
+    fetch("http://"+host+"/cgi-bin/configManager.cgi?action=setConfig&Encode[0].MainFormat[0].Audio.Compression=G.711A&Encode[0].MainFormat[0].Audio.Frequency=8000").ok
+        ? "rtsp://"+host+"/cam/realmonitor?channel=1&subtype=0&unicast=true&proto=Onvif" : ""
+```
+
+**dom.ru**
+
+You can get credentials via:
+
+- https://github.com/alexmorbo/domru (file `/share/domru/accounts`)
+- https://github.com/ad/domru
+
+```yaml
+streams:
+  dom_ru: |
+    expr: let camera = "99999999"; let token = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"; let operator = 99;
+    fetch("https://myhome.novotelecom.ru/rest/v1/forpost/cameras/"+camera+"/video", {
+      headers: {Authorization: "Bearer "+token, Operator: operator}
+    }).json().data.URL
+```
+
+**Parse HLS files from Apple**
+
+Same example in two languages - python and expr.
+
+```yaml
+streams:
+  example_python: |
+    echo:python -c 'from urllib.request import urlopen; import re
+
+    # url1 = "https://devstreaming-cdn.apple.com/videos/streaming/examples/bipbop_16x9/bipbop_16x9_variant.m3u8"
+    html1 = urlopen("https://developer.apple.com/streaming/examples/basic-stream-osx-ios5.html").read().decode("utf-8")
+    url1 = re.search(r"https.+?m3u8", html1)[0]
+
+    # url2 = "gear1/prog_index.m3u8"
+    html2 = urlopen(url1).read().decode("utf-8")
+    url2 = re.search(r"^[a-z0-1/_]+\.m3u8$", html2, flags=re.MULTILINE)[0]
+
+    # url3 = "https://devstreaming-cdn.apple.com/videos/streaming/examples/bipbop_16x9/gear1/prog_index.m3u8"
+    url3 = url1[:url1.rindex("/")+1] + url2
+
+    print("ffmpeg:" + url3 + "#video=copy")'
+
+  example_expr: |
+    expr:
+
+    let html1 = fetch("https://developer.apple.com/streaming/examples/basic-stream-osx-ios5.html").text;
+    let url1 = match(html1, "https.+?m3u8")[0];
+
+    let html2 = fetch(url1).text;
+    let url2 = match(html2, "^[a-z0-1/_]+\\.m3u8$", "m")[0];
+
+    let url3 = url1[:lastIndexOf(url1, "/")+1] + url2;
+
+    "ffmpeg:" + url3 + "#video=copy"
+```
+
+## Comparsion
+
+| expr                         | python                     | js                             |
+|------------------------------|----------------------------|--------------------------------|
+| let x = 1;                   | x = 1                      | let x = 1                      |
+| {a: 1, b: 2}                 | {"a": 1, "b": 2}           | {a: 1, b: 2}                   |
+| let r = fetch(url, {method}) | r = request(method, url)   | r = await fetch(url, {method}) |
+| r.ok                         | r.ok                       | r.ok                           |
+| r.status                     | r.status_code              | r.status                       |
+| r.text                       | r.text                     | await r.text()                 |
+| r.json()                     | r.json()                   | await r.json()                 |
+| r.headers                    | r.headers                  | r.headers                      |
+| let m = match(text, "abc")   | m = re.search("abc", text) | let m = text.match(/abc/)      |

internal/expr/expr.go

@@ -0,0 +1,28 @@
+package expr
+
+import (
+	"errors"
+
+	"github.com/AlexxIT/go2rtc/internal/app"
+	"github.com/AlexxIT/go2rtc/internal/streams"
+	"github.com/AlexxIT/go2rtc/pkg/expr"
+)
+
+func Init() {
+	log := app.GetLogger("expr")
+
+	streams.RedirectFunc("expr", func(url string) (string, error) {
+		v, err := expr.Run(url[5:])
+		if err != nil {
+			return "", err
+		}
+
+		log.Debug().Msgf("[expr] url=%s", url)
+
+		if url = v.(string); url == "" {
+			return "", errors.New("expr: result is empty")
+		}
+
+		return url, nil
+	})
+}

internal/ffmpeg/device/device_windows.go

@@ -45,30 +45,20 @@ func queryToInput(query url.Values) string {
 	}
 
 	if video != "" {
-		input += ` -i video="` + video + `"`
+		input += ` -i "video=` + video
 
 		if audio != "" {
-			input += `:audio="` + audio + `"`
+			input += `:audio=` + audio
 		}
+
+		input += `"`
 	} else {
-		input += ` -i audio="` + audio + `"`
+		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", "",

internal/ffmpeg/ffmpeg.go

@@ -52,7 +52,8 @@ var defaults = map[string]string{
 	// `-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
-	"h264":  "-c:v libx264 -g 50 -profile:v high -level:v 4.1 -preset:v superfast -tune:v zerolatency -pix_fmt:v yuvj420p",
+	// `-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",
@@ -60,47 +61,58 @@ var defaults = map[string]string{
 	// 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",
+	// `-async 1` or `-min_comp 0` - force resampling for static timestamp inc, important for WebRTC audio quality
+	"opus":       "-c:a libopus -application:a lowdelay -min_comp 0",
+	"opus/16000": "-c:a libopus -application:a lowdelay -min_comp 0 -ar:a 16000 -ac:a 1",
 	"pcmu":       "-c:a pcm_mulaw -ar:a 8000 -ac:a 1",
+	"pcmu/8000":  "-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/8000":  "-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/8000":   "-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/8000":  "-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",
+	"h265/vaapi":  "-c:v hevc_vaapi -g 50 -bf 0 -profile:v main -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 Rockchip
+	// important to use custom ffmpeg https://github.com/AlexxIT/go2rtc/issues/768
+	// hevc - doesn't have a profile setting
+	"h264/rkmpp": "-c:v h264_rkmpp_encoder -g 50 -bf 0 -profile:v high -level:v 4.1",
+	"h265/rkmpp": "-c:v hevc_rkmpp_encoder -g 50 -bf 0 -level:v 5.1",
+
 	// 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",
+	"h265/cuda": "-c:v hevc_nvenc -g 50 -bf 0 -profile:v main -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",
+	"h265/dxva2":  "-c:v hevc_qsv -g 50 -bf 0 -profile:v main -level:v 5.1 -async_depth:v 1",
+	"mjpeg/dxva2": "-c:v mjpeg_qsv",
 
 	// 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",
+	"h265/videotoolbox": "-c:v hevc_videotoolbox -g 50 -bf 0 -profile:v main -level:v 5.1",
 }
 
 // configTemplate - return template from config (defaults) if exist or return raw template

internal/ffmpeg/ffmpeg_test.go

@@ -13,7 +13,7 @@ func TestParseArgsFile(t *testing.T) {
 
 	// [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 yuvj420p -an -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+	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")
@@ -35,11 +35,15 @@ func TestParseArgsFile(t *testing.T) {
 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())
+	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")
-	require.Equal(t, `ffmpeg -hide_banner -f dshow -video_size 1280x720 -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())
+	//args = parseArgs("device?video=0&video_size=1280x720&framerate=20#video=h265#audio=pcma")
+	args = parseArgs("device?video=0&framerate=20#video=h265")
+	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 -an -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+
+	args = parseArgs("device?video=FaceTime HD Camera&audio=Microphone (High Definition Audio Device)")
+	require.Equal(t, `ffmpeg -hide_banner -f dshow -i "video=FaceTime HD Camera:audio=Microphone (High Definition Audio Device)" -c copy -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
 }
 
 func TestParseArgsIpCam(t *testing.T) {
@@ -49,7 +53,7 @@ func TestParseArgsIpCam(t *testing.T) {
 
 	// [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 yuvj420p -an -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+	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")
@@ -83,7 +87,7 @@ func TestParseArgsAudio(t *testing.T) {
 
 	// [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 -ar:a 48000 -ac:a 2 -application:a voip -min_comp 0 -vn -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+	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")
@@ -113,23 +117,23 @@ func TestParseArgsAudio(t *testing.T) {
 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 -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" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+	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 -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" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+	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 -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" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+	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 -re -i /media/bbb.mp4 -c:v mjpeg_vaapi -an -vf "format=vaapi|nv12,hwupload" -f mjpeg -`, args.String())
+	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 -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" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+	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) {
@@ -150,6 +154,18 @@ func TestParseArgsHwV4l2m2m(t *testing.T) {
 	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 TestParseArgsHwRKMPP(t *testing.T) {
+	// [HTTP-MJPEG] video will be transcoded to H264
+	args := parseArgs("http://example.com#video=h264#hardware=rkmpp")
+	require.Equal(t, `ffmpeg -hide_banner -fflags nobuffer -flags low_delay -i http://example.com -c:v h264_rkmpp_encoder -g 50 -bf 0 -profile:v high -level:v 4.1 -an -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+
+	args = parseArgs("http://example.com#video=h264#rotate=180#hardware=rkmpp")
+	require.Equal(t, `ffmpeg -hide_banner -fflags nobuffer -flags low_delay -i http://example.com -c:v h264_rkmpp_encoder -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())
+
+	args = parseArgs("http://example.com#video=h264#height=320#hardware=rkmpp")
+	require.Equal(t, `ffmpeg -hide_banner -fflags nobuffer -flags low_delay -i http://example.com -c:v h264_rkmpp_encoder -g 50 -bf 0 -profile:v high -level:v 4.1 -height 320 -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")
@@ -207,3 +223,19 @@ func TestParseArgsHwVideotoolbox(t *testing.T) {
 	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())
+}
+
+func TestDrawText(t *testing.T) {
+	args := parseArgs("http:///example.com#video=h264#drawtext=fontsize=12")
+	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 -vf "drawtext=fontsize=12:text='%{localtime\:%Y-%m-%d %X}'" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+
+	args = parseArgs("http:///example.com#video=h264#width=640#drawtext=fontsize=12")
+	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 -vf "scale=640:-1,drawtext=fontsize=12:text='%{localtime\:%Y-%m-%d %X}'" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+
+	args = parseArgs("http:///example.com#video=h264#width=640#drawtext=fontsize=12#hardware=vaapi")
+	require.Equal(t, `ffmpeg -hide_banner -hwaccel vaapi -hwaccel_output_format nv12 -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 "scale=640:-1:out_color_matrix=bt709:out_range=tv,drawtext=fontsize=12:text='%{localtime\:%Y-%m-%d %X}',hwupload" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+}

internal/ffmpeg/hardware/hardware.go

@@ -18,6 +18,7 @@ const (
 	EngineCUDA         = "cuda"         // NVidia on Windows and Linux
 	EngineDXVA2        = "dxva2"        // Intel on Windows
 	EngineVideoToolbox = "videotoolbox" // macOS
+	EngineRKMPP        = "rkmpp"        // Rockchip
 )
 
 func Init(bin string) {
@@ -61,6 +62,10 @@ func MakeHardware(args *ffmpeg.Args, engine string, defaults map[string]string)
 			if !args.HasFilters("drawtext=") {
 				args.Input = "-hwaccel vaapi -hwaccel_output_format vaapi -hwaccel_flags allow_profile_mismatch " + args.Input
 
+				if name == "h264" {
+					fixPixelFormat(args)
+				}
+
 				for i, filter := range args.Filters {
 					if strings.HasPrefix(filter, "scale=") {
 						args.Filters[i] = "scale_vaapi=" + filter[6:]
@@ -121,6 +126,24 @@ func MakeHardware(args *ffmpeg.Args, engine string, defaults map[string]string)
 
 		case EngineV4L2M2M:
 			args.Codecs[i] = defaults[name+"/"+engine]
+
+		case EngineRKMPP:
+			args.Codecs[i] = defaults[name+"/"+engine]
+
+			for j, filter := range args.Filters {
+				if strings.HasPrefix(filter, "scale=") {
+					args.Filters = append(args.Filters[:j], args.Filters[j+1:]...)
+
+					width, height, _ := strings.Cut(filter[6:], ":")
+					if width != "-1" {
+						args.Codecs[i] += " -width " + width
+					}
+					if height != "-1" {
+						args.Codecs[i] += " -height " + height
+					}
+					break
+				}
+			}
 		}
 	}
 }
@@ -154,3 +177,24 @@ func cut(s string, sep byte, pos int) string {
 	}
 	return s
 }
+
+// fixPixelFormat:
+//   - good h264 pixel: yuv420p(tv, bt709) == yuv420p (mpeg/limited/tv)
+//   - bad h264 pixel: yuvj420p(pc, bt709) == yuvj420p (jpeg/full/pc)
+//   - bad jpeg pixel: yuvj422p(pc, bt470bg)
+func fixPixelFormat(args *ffmpeg.Args) {
+	// in my tests this filters has same CPU/GPU load:
+	//   - "hwupload"
+	//   - "hwupload,scale_vaapi=out_color_matrix=bt709:out_range=tv"
+	//   - "hwupload,scale_vaapi=out_color_matrix=bt709:out_range=tv:format=nv12"
+	const fixPixFmt = "out_color_matrix=bt709:out_range=tv:format=nv12"
+
+	for i, filter := range args.Filters {
+		if strings.HasPrefix(filter, "scale=") {
+			args.Filters[i] = filter + ":" + fixPixFmt
+			return
+		}
+	}
+
+	args.Filters = append(args.Filters, "scale="+fixPixFmt)
+}

internal/ffmpeg/hardware/hardware_linux.go

@@ -6,13 +6,17 @@ import (
 	"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 -"
+const (
+	ProbeV4L2M2MH264 = "-f lavfi -i testsrc2 -t 1 -c h264_v4l2m2m -f null -"
+	ProbeV4L2M2MH265 = "-f lavfi -i testsrc2 -t 1 -c hevc_v4l2m2m -f null -"
+	ProbeRKMPPH264   = "-f lavfi -i testsrc2 -t 1 -c h264_rkmpp_encoder -f null -"
+	ProbeRKMPPH265   = "-f lavfi -i testsrc2 -t 1 -c hevc_rkmpp_encoder -f null -"
+	ProbeVAAPIH264   = "-init_hw_device vaapi -f lavfi -i testsrc2 -t 1 -vf format=nv12,hwupload -c h264_vaapi -f null -"
+	ProbeVAAPIH265   = "-init_hw_device vaapi -f lavfi -i testsrc2 -t 1 -vf format=nv12,hwupload -c hevc_vaapi -f null -"
+	ProbeVAAPIJPEG   = "-init_hw_device vaapi -f lavfi -i testsrc2 -t 1 -vf format=nv12,hwupload -c mjpeg_vaapi -f null -"
+	ProbeCUDAH264    = "-init_hw_device cuda -f lavfi -i testsrc2 -t 1 -c h264_nvenc -f null -"
+	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" {
@@ -25,6 +29,14 @@ func ProbeAll(bin string) []*api.Source {
 				Name: runToString(bin, ProbeV4L2M2MH265),
 				URL:  "ffmpeg:...#video=h265#hardware=" + EngineV4L2M2M,
 			},
+			{
+				Name: runToString(bin, ProbeRKMPPH264),
+				URL:  "ffmpeg:...#video=h264#hardware=" + EngineRKMPP,
+			},
+			{
+				Name: runToString(bin, ProbeRKMPPH265),
+				URL:  "ffmpeg:...#video=h265#hardware=" + EngineRKMPP,
+			},
 		}
 	}
 
@@ -59,10 +71,16 @@ func ProbeHardware(bin, name string) string {
 			if run(bin, ProbeV4L2M2MH264) {
 				return EngineV4L2M2M
 			}
+			if run(bin, ProbeRKMPPH264) {
+				return EngineRKMPP
+			}
 		case "h265":
 			if run(bin, ProbeV4L2M2MH265) {
 				return EngineV4L2M2M
 			}
+			if run(bin, ProbeRKMPPH265) {
+				return EngineRKMPP
+			}
 		}
 
 		return EngineSoftware

internal/gopro/README.md

@@ -0,0 +1,25 @@
+# GoPro
+
+Supported models: HERO9, HERO10, HERO11, HERO12.  
+Supported OS: Linux, Mac, Windows, [HassOS](https://www.home-assistant.io/installation/)
+
+The other camera models have different APIs. I will try to add them in the next versions.
+
+## Config
+
+- USB-connected cameras create a new network interface in the system
+- Linux users do not need to install anything
+- Windows users should install the [network driver](https://community.gopro.com/s/article/GoPro-Webcam)
+- if the camera is detected but the stream does not start - you need to disable firewall
+
+1. Discover camera address: WebUI > Add > GoPro
+2. Add camera to config
+
+```yaml
+streams:
+  hero12: gopro://172.20.100.51
+```
+
+## Useful links
+
+- https://gopro.github.io/OpenGoPro/

internal/gopro/gopro.go

@@ -0,0 +1,30 @@
+package gopro
+
+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/gopro"
+)
+
+func Init() {
+	streams.HandleFunc("gopro", handleGoPro)
+
+	api.HandleFunc("api/gopro", apiGoPro)
+}
+
+func handleGoPro(rawURL string) (core.Producer, error) {
+	return gopro.Dial(rawURL)
+}
+
+func apiGoPro(w http.ResponseWriter, r *http.Request) {
+	var items []*api.Source
+
+	for _, host := range gopro.Discovery() {
+		items = append(items, &api.Source{Name: host, URL: "gopro://" + host})
+	}
+
+	api.ResponseSources(w, items)
+}

internal/homekit/homekit.go

@@ -1,6 +1,7 @@
 package homekit
 
 import (
+	"errors"
 	"io"
 	"net"
 	"net/http"
@@ -97,7 +98,7 @@ func Init() {
 
 		srv.mdns = &mdns.ServiceEntry{
 			Name: name,
-			Port: uint16(api.Port()),
+			Port: uint16(api.Port),
 			Info: map[string]string{
 				hap.TXTConfigNumber: "1",
 				hap.TXTFeatureFlags: "0",
@@ -121,7 +122,7 @@ func Init() {
 	api.HandleFunc(hap.PathPairSetup, hapPairSetup)
 	api.HandleFunc(hap.PathPairVerify, hapPairVerify)
 
-	log.Trace().Msgf("[homekit] mnds: %s", entries)
+	log.Trace().Msgf("[homekit] mdns: %s", entries)
 
 	go func() {
 		if err := mdns.Serve(mdns.ServiceHAP, entries); err != nil {
@@ -134,6 +135,10 @@ var log zerolog.Logger
 var servers map[string]*server
 
 func streamHandler(url string) (core.Producer, error) {
+	if srtp.Server == nil {
+		return nil, errors.New("homekit: can't work without SRTP server")
+	}
+
 	return homekit.Dial(url, srtp.Server)
 }
 

internal/homekit/server.go

@@ -198,9 +198,11 @@ func (s *server) AddPair(conn net.Conn, id string, public []byte, permissions by
 		"client_public": []string{hex.EncodeToString(public)},
 		"permissions":   []string{string('0' + permissions)},
 	}
-	s.pairings = append(s.pairings, query.Encode())
-	s.UpdateStatus()
-	s.PatchConfig()
+	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) {

internal/http/http.go

@@ -7,6 +7,7 @@ import (
 	"net/url"
 	"strings"
 
+	"github.com/AlexxIT/go2rtc/internal/api"
 	"github.com/AlexxIT/go2rtc/internal/streams"
 	"github.com/AlexxIT/go2rtc/pkg/core"
 	"github.com/AlexxIT/go2rtc/pkg/hls"
@@ -22,6 +23,8 @@ func Init() {
 	streams.HandleFunc("httpx", handleHTTP)
 
 	streams.HandleFunc("tcp", handleTCP)
+
+	api.HandleFunc("api/stream", apiStream)
 }
 
 func handleHTTP(rawURL string) (core.Producer, error) {
@@ -89,3 +92,26 @@ func handleTCP(rawURL string) (core.Producer, error) {
 
 	return magic.Open(conn)
 }
+
+func apiStream(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 := magic.Open(r.Body)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	stream.AddProducer(client)
+	defer stream.RemoveProducer(client)
+
+	if err = client.Start(); err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+}

internal/mpegts/mpegts.go

@@ -56,19 +56,17 @@ func inputMpegTS(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	res := &http.Response{Body: r.Body, Request: r}
-	client, err := mpegts.Open(res.Body)
+	client, err := mpegts.Open(r.Body)
 	if err != nil {
 		http.Error(w, err.Error(), http.StatusInternalServerError)
 		return
 	}
 
 	stream.AddProducer(client)
+	defer stream.RemoveProducer(client)
 
 	if err = client.Start(); err != nil {
 		http.Error(w, err.Error(), http.StatusInternalServerError)
 		return
 	}
-
-	stream.RemoveProducer(client)
 }

internal/ngrok/ngrok.go

@@ -2,12 +2,13 @@ package ngrok
 
 import (
 	"fmt"
+	"net"
+	"strings"
+
 	"github.com/AlexxIT/go2rtc/internal/app"
 	"github.com/AlexxIT/go2rtc/internal/webrtc"
 	"github.com/AlexxIT/go2rtc/pkg/ngrok"
 	"github.com/rs/zerolog"
-	"net"
-	"strings"
 )
 
 func Init() {
@@ -39,7 +40,7 @@ func Init() {
 			}
 
 			// Addr: "//localhost:8555", URL: "tcp://1.tcp.eu.ngrok.io:12345"
-			if msg.Addr == "//localhost:"+webrtc.Port && strings.HasPrefix(msg.URL, "tcp://") {
+			if strings.HasPrefix(msg.Addr, "//localhost:") && strings.HasPrefix(msg.URL, "tcp://") {
 				// don't know if really necessary use IP
 				address, err := ConvertHostToIP(msg.URL[6:])
 				if err != nil {
@@ -49,7 +50,7 @@ func Init() {
 
 				log.Info().Str("addr", address).Msg("[ngrok] add external candidate for WebRTC")
 
-				webrtc.AddCandidate(address)
+				webrtc.AddCandidate(address, "tcp")
 			}
 		}
 	})

internal/rtmp/rtmp.go

@@ -1,39 +1,188 @@
 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/rs/zerolog/log"
+	"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.Dial(url)
+	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" {
-		http.Error(w, "", http.StatusMethodNotAllowed)
+		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 {

internal/rtsp/rtsp.go

@@ -26,7 +26,7 @@ func Init() {
 	}
 
 	// default config
-	conf.Mod.Listen = "0.0.0.0:8554"
+	conf.Mod.Listen = ":8554"
 	conf.Mod.DefaultQuery = "video&audio"
 
 	app.LoadConfig(&conf)

internal/srtp/srtp.go

@@ -13,7 +13,7 @@ func Init() {
 	}
 
 	// default config
-	cfg.Mod.Listen = "0.0.0.0:8443"
+	cfg.Mod.Listen = ":8443"
 
 	// load config from YAML
 	app.LoadConfig(&cfg)

internal/streams/handlers.go

@@ -73,3 +73,25 @@ func Location(url string) (string, error) {
 
 	return "", nil
 }
+
+// TODO: rework
+
+type ConsumerHandler func(url string) (core.Consumer, func(), error)
+
+var consumerHandlers = map[string]ConsumerHandler{}
+
+func HandleConsumerFunc(scheme string, handler ConsumerHandler) {
+	consumerHandlers[scheme] = handler
+}
+
+func GetConsumer(url string) (core.Consumer, func(), error) {
+	if i := strings.IndexByte(url, ':'); i > 0 {
+		scheme := url[:i]
+
+		if handler, ok := consumerHandlers[scheme]; ok {
+			return handler(url)
+		}
+	}
+
+	return nil, nil, errors.New("streams: unsupported scheme: " + url)
+}

internal/streams/publish.go

@@ -0,0 +1,38 @@
+package streams
+
+import "time"
+
+func (s *Stream) Publish(url string) error {
+	cons, run, err := GetConsumer(url)
+	if err != nil {
+		return err
+	}
+
+	if err = s.AddConsumer(cons); err != nil {
+		return err
+	}
+
+	go func() {
+		run()
+		s.RemoveConsumer(cons)
+
+		// TODO: more smart retry
+		time.Sleep(5 * time.Second)
+		_ = s.Publish(url)
+	}()
+
+	return nil
+}
+
+func Publish(stream *Stream, destination any) {
+	switch v := destination.(type) {
+	case string:
+		if err := stream.Publish(v); err != nil {
+			log.Error().Err(err).Caller().Send()
+		}
+	case []any:
+		for _, v := range v {
+			Publish(stream, v)
+		}
+	}
+}

internal/streams/streams.go

@@ -5,6 +5,7 @@ import (
 	"net/url"
 	"regexp"
 	"sync"
+	"time"
 
 	"github.com/AlexxIT/go2rtc/internal/api"
 	"github.com/AlexxIT/go2rtc/internal/app"
@@ -13,18 +14,31 @@ import (
 
 func Init() {
 	var cfg struct {
-		Mod map[string]any `yaml:"streams"`
+		Streams map[string]any `yaml:"streams"`
+		Publish map[string]any `yaml:"publish"`
 	}
 
 	app.LoadConfig(&cfg)
 
 	log = app.GetLogger("streams")
 
-	for name, item := range cfg.Mod {
+	for name, item := range cfg.Streams {
 		streams[name] = NewStream(item)
 	}
 
 	api.HandleFunc("api/streams", streamsHandler)
+
+	if cfg.Publish == nil {
+		return
+	}
+
+	time.AfterFunc(time.Second, func() {
+		for name, dst := range cfg.Publish {
+			if stream := Get(name); stream != nil {
+				Publish(stream, dst)
+			}
+		}
+	})
 }
 
 func Get(name string) *Stream {
@@ -172,6 +186,10 @@ func streamsHandler(w http.ResponseWriter, r *http.Request) {
 				} else {
 					api.ResponseJSON(w, stream)
 				}
+			} else if stream = Get(src); stream != nil {
+				if err := stream.Publish(dst); err != nil {
+					http.Error(w, err.Error(), http.StatusInternalServerError)
+				}
 			} else {
 				http.Error(w, "", http.StatusNotFound)
 			}

internal/webrtc/README.md

@@ -1,3 +1,14 @@
+## Config
+
+- supported TCP: fixed port (default), disabled 
+- supported UDP: random port (default), fixed port
+
+| Config examples       | TCP   | UDP    |
+|-----------------------|-------|--------|
+| `listen: ":8555/tcp"` | fixed | random |
+| `listen: ":8555"`     | fixed | fixed  |
+| `listen: ""`          | no    | random |
+
 ## Userful links
 
 - https://www.ietf.org/archive/id/draft-ietf-wish-whip-01.html

internal/webrtc/candidates.go

@@ -1,58 +1,66 @@
 package webrtc
 
 import (
+	"net"
+
 	"github.com/AlexxIT/go2rtc/internal/api/ws"
 	"github.com/AlexxIT/go2rtc/pkg/webrtc"
 	"github.com/pion/sdp/v3"
-	"strconv"
-	"strings"
 )
 
 type Address struct {
-	Host string
-	Port int
+	Host    string
+	Port    string
+	Network string
+	Offset  int
 }
 
-var addresses []Address
-
-func AddCandidate(address string) {
-	var port int
-
-	// try to get port from address string
-	if i := strings.LastIndexByte(address, ':'); i > 0 {
-		if v, _ := strconv.Atoi(address[i+1:]); v != 0 {
-			address = address[:i]
-			port = v
+func (a *Address) Marshal() string {
+	host := a.Host
+	if host == "stun" {
+		ip, err := webrtc.GetCachedPublicIP()
+		if err != nil {
+			return ""
 		}
+		host = ip.String()
 	}
 
-	// use default WebRTC port
-	if port == 0 {
-		port, _ = strconv.Atoi(Port)
+	switch a.Network {
+	case "udp":
+		return webrtc.CandidateManualHostUDP(host, a.Port, a.Offset)
+	case "tcp":
+		return webrtc.CandidateManualHostTCPPassive(host, a.Port, a.Offset)
 	}
 
-	addresses = append(addresses, Address{Host: address, Port: port})
+	return ""
+}
+
+var addresses []*Address
+
+func AddCandidate(address, network string) {
+	host, port, err := net.SplitHostPort(address)
+	if err != nil {
+		return
+	}
+
+	offset := -1 - len(addresses) // every next candidate will have a lower priority
+
+	switch network {
+	case "tcp", "udp":
+		addresses = append(addresses, &Address{host, port, network, offset})
+	default:
+		addresses = append(
+			addresses, &Address{host, port, "udp", offset}, &Address{host, port, "tcp", offset},
+		)
+	}
 }
 
 func GetCandidates() (candidates []string) {
 	for _, address := range addresses {
-		// using stun server for receive public IP-address
-		if address.Host == "stun" {
-			ip, err := webrtc.GetCachedPublicIP()
-			if err != nil {
-				continue
-			}
-			// this is a copy, original host unchanged
-			address.Host = ip.String()
+		if candidate := address.Marshal(); candidate != "" {
+			candidates = append(candidates, candidate)
 		}
-
-		candidates = append(
-			candidates,
-			webrtc.CandidateManualHostUDP(address.Host, address.Port),
-			webrtc.CandidateManualHostTCPPassive(address.Host, address.Port),
-		)
 	}
-
 	return
 }
 

internal/webrtc/client.go

@@ -88,7 +88,7 @@ func go2rtcClient(url string) (core.Producer, error) {
 		switch msg := msg.(type) {
 		case *pion.ICECandidate:
 			s := msg.ToJSON().Candidate
-			log.Trace().Str("candidate", s).Msg("[webrtc] local")
+			log.Trace().Str("candidate", s).Msg("[webrtc] local ")
 			_ = conn.WriteJSON(&ws.Message{Type: "webrtc/candidate", Value: s})
 
 		case pion.PeerConnectionState:

internal/webrtc/kinesis.go

@@ -55,7 +55,7 @@ func kinesisClient(rawURL string, query url.Values, desc string) (core.Producer,
 	defer conn.Close()
 
 	// 3. Create Peer Connection
-	api, err := webrtc.NewAPI("")
+	api, err := webrtc.NewAPI()
 	if err != nil {
 		return nil, err
 	}

internal/webrtc/openipc.go

@@ -33,7 +33,7 @@ func openIPCClient(rawURL string, query url.Values) (core.Producer, error) {
 	defer conn.Close()
 
 	// 3. Create Peer Connection
-	api, err := webrtc.NewAPI("")
+	api, err := webrtc.NewAPI()
 	if err != nil {
 		return nil, err
 	}

internal/webrtc/server.go

@@ -49,6 +49,9 @@ func syncHandler(w http.ResponseWriter, r *http.Request) {
 			http.Error(w, "", http.StatusBadRequest)
 		}
 
+	case "OPTIONS":
+		w.WriteHeader(http.StatusNoContent)
+
 	default:
 		http.Error(w, "", http.StatusMethodNotAllowed)
 	}
@@ -195,9 +198,7 @@ func inputWebRTC(w http.ResponseWriter, r *http.Request) {
 		case pion.PeerConnectionState:
 			if msg == pion.PeerConnectionStateClosed {
 				stream.RemoveProducer(prod)
-				if _, ok := sessions[id]; ok {
-					delete(sessions, id)
-				}
+				delete(sessions, id)
 			}
 		}
 	})

internal/webrtc/webrtc.go

@@ -2,7 +2,7 @@ package webrtc
 
 import (
 	"errors"
-	"net"
+	"strings"
 
 	"github.com/AlexxIT/go2rtc/internal/api"
 	"github.com/AlexxIT/go2rtc/internal/api/ws"
@@ -23,7 +23,7 @@ func Init() {
 		} `yaml:"webrtc"`
 	}
 
-	cfg.Mod.Listen = "0.0.0.0:8555/tcp"
+	cfg.Mod.Listen = ":8555/tcp"
 	cfg.Mod.IceServers = []pion.ICEServer{
 		{URLs: []string{"stun:stun.l.google.com:19302"}},
 	}
@@ -32,10 +32,20 @@ func Init() {
 
 	log = app.GetLogger("webrtc")
 
-	address := cfg.Mod.Listen
+	address, network, _ := strings.Cut(cfg.Mod.Listen, "/")
+
+	var candidateHost []string
+	for _, candidate := range cfg.Mod.Candidates {
+		if strings.HasPrefix(candidate, "host:") {
+			candidateHost = append(candidateHost, candidate[5:])
+			continue
+		}
+
+		AddCandidate(candidate, network)
+	}
 
 	// create pionAPI with custom codecs list and custom network settings
-	serverAPI, err := webrtc.NewAPI(address)
+	serverAPI, err := webrtc.NewServerAPI(address, network, candidateHost)
 	if err != nil {
 		log.Error().Err(err).Caller().Send()
 		return
@@ -46,9 +56,8 @@ func Init() {
 
 	if address != "" {
 		log.Info().Str("addr", address).Msg("[webrtc] listen")
-		_, Port, _ = net.SplitHostPort(address)
 
-		clientAPI, _ = webrtc.NewAPI("")
+		clientAPI, _ = webrtc.NewAPI()
 	}
 
 	pionConf := pion.Configuration{
@@ -65,10 +74,6 @@ func Init() {
 		}
 	}
 
-	for _, candidate := range cfg.Mod.Candidates {
-		AddCandidate(candidate)
-	}
-
 	// async WebRTC server (two API versions)
 	ws.HandleFunc("webrtc", asyncHandler)
 	ws.HandleFunc("webrtc/offer", asyncHandler)
@@ -81,7 +86,6 @@ func Init() {
 	streams.HandleFunc("webrtc", streamsHandler)
 }
 
-var Port string
 var log zerolog.Logger
 
 var PeerConnection func(active bool) (*pion.PeerConnection, error)
@@ -138,7 +142,7 @@ func asyncHandler(tr *ws.Transport, msg *ws.Message) error {
 			_ = sendAnswer.Wait()
 
 			s := msg.ToJSON().Candidate
-			log.Trace().Str("candidate", s).Msg("[webrtc] local")
+			log.Trace().Str("candidate", s).Msg("[webrtc] local ")
 			tr.Write(&ws.Message{Type: "webrtc/candidate", Value: s})
 		}
 	})

main.go

@@ -9,7 +9,9 @@ import (
 	"github.com/AlexxIT/go2rtc/internal/dvrip"
 	"github.com/AlexxIT/go2rtc/internal/echo"
 	"github.com/AlexxIT/go2rtc/internal/exec"
+	"github.com/AlexxIT/go2rtc/internal/expr"
 	"github.com/AlexxIT/go2rtc/internal/ffmpeg"
+	"github.com/AlexxIT/go2rtc/internal/gopro"
 	"github.com/AlexxIT/go2rtc/internal/hass"
 	"github.com/AlexxIT/go2rtc/internal/hls"
 	"github.com/AlexxIT/go2rtc/internal/homekit"
@@ -76,10 +78,12 @@ func main() {
 	homekit.Init()  // homekit source
 	nest.Init()     // nest source
 	bubble.Init()   // bubble source
+	expr.Init()     // expr source
+	gopro.Init()    // gopro source
 
 	// 6. Helper modules
 
-	ngrok.Init() // Ngrok module
+	ngrok.Init() // ngrok module
 	srtp.Init()  // SRTP server
 	debug.Init() // debug API
 

pkg/aac/adts.go

@@ -10,7 +10,7 @@ import (
 
 func IsADTS(b []byte) bool {
 	_ = b[1]
-	return len(b) > 7 && b[0] == 0xFF && b[1]&0xF0 == 0xF0
+	return len(b) > 7 && b[0] == 0xFF && b[1]&0xF6 == 0xF0
 }
 
 func ADTSToCodec(b []byte) *core.Codec {

pkg/aac/producer.go

@@ -0,0 +1,73 @@
+package aac
+
+import (
+	"bufio"
+	"encoding/binary"
+	"io"
+
+	"github.com/AlexxIT/go2rtc/pkg/core"
+	"github.com/pion/rtp"
+)
+
+type Producer struct {
+	core.SuperProducer
+	rd *bufio.Reader
+	cl io.Closer
+}
+
+func Open(r io.Reader) (*Producer, error) {
+	rd := bufio.NewReader(r)
+
+	b, err := rd.Peek(8)
+	if err != nil {
+		return nil, err
+	}
+
+	codec := ADTSToCodec(b)
+
+	prod := &Producer{rd: rd, cl: r.(io.Closer)}
+	prod.Type = "ADTS producer"
+	prod.Medias = []*core.Media{
+		{
+			Kind:      core.KindAudio,
+			Direction: core.DirectionRecvonly,
+			Codecs:    []*core.Codec{codec},
+		},
+	}
+	return prod, nil
+}
+
+func (c *Producer) Start() error {
+	for {
+		b, err := c.rd.Peek(6)
+		if err != nil {
+			return err
+		}
+
+		auSize := ReadADTSSize(b)
+		payload := make([]byte, 2+2+auSize)
+		if _, err = io.ReadFull(c.rd, payload[4:]); err != nil {
+			return err
+		}
+
+		c.Recv += int(auSize)
+
+		if len(c.Receivers) == 0 {
+			continue
+		}
+
+		payload[1] = 16 // header size in bits
+		binary.BigEndian.PutUint16(payload[2:], auSize<<3)
+
+		pkt := &rtp.Packet{
+			Header:  rtp.Header{Timestamp: core.Now90000()},
+			Payload: payload,
+		}
+		c.Receivers[0].WriteRTP(pkt)
+	}
+}
+
+func (c *Producer) Stop() error {
+	_ = c.SuperProducer.Close()
+	return c.cl.Close()
+}

pkg/aac/rtp.go

@@ -21,12 +21,20 @@ func RTPDepay(handler core.HandlerFunc) core.HandlerFunc {
 
 		//log.Printf("[RTP/AAC] units: %d, size: %4d, ts: %10d, %t", headersSize/2, len(packet.Payload), packet.Timestamp, packet.Marker)
 
+		if len(packet.Payload) < int(2+headersSize) {
+			return
+		}
+
 		headers := packet.Payload[2 : 2+headersSize]
 		units := packet.Payload[2+headersSize:]
 
-		for len(headers) > 0 {
+		for len(headers) >= 2 {
 			unitSize := binary.BigEndian.Uint16(headers) >> 3
 
+			if len(units) < int(unitSize) {
+				return
+			}
+
 			unit := units[:unitSize]
 
 			headers = headers[2:]

pkg/bits/reader.go

@@ -127,3 +127,7 @@ func (r *Reader) ReadSEGolomb() int32 {
 		return int32(b >> 1)
 	}
 }
+
+func (r *Reader) Left() []byte {
+	return r.buf[r.pos:]
+}

pkg/core/readbuffer.go

@@ -5,7 +5,9 @@ import (
 	"io"
 )
 
-const ProbeSize = 1024 * 1024 // 1MB
+// ProbeSize
+// in my tests MPEG-TS 40Mbit/s 4K-video require more than 1MB for probe
+const ProbeSize = 5 * 1024 * 1024 // 5MB
 
 const (
 	BufferDisable       = 0

pkg/core/track.go

@@ -73,6 +73,9 @@ func (t *Receiver) Replace(target *Receiver) {
 	// move this receiver senders to new receiver
 	t.mu.Lock()
 	senders := t.senders
+	// fix https://github.com/AlexxIT/go2rtc/issues/828
+	// TODO: fix the reason, not the consequence
+	t.senders = nil
 	t.mu.Unlock()
 
 	target.mu.Lock()
@@ -117,9 +120,9 @@ func (s *Sender) HandleRTP(track *Receiver) {
 
 	if GetKind(track.Codec.Name) == KindVideo {
 		if track.Codec.IsRTP() {
-			// H.264 2560x1440 4096kbs can have 700+ packets between 25 frames
-			// H.265 5120x1440 can have 700+ packets between two keyframes
-			bufferSize = 1000
+			// in my tests 40Mbit/s 4K-video can generate up to 1500 items
+			// for the h264.RTPDepay => RTPPay queue
+			bufferSize = 5000
 		} else {
 			bufferSize = 50
 		}
@@ -140,9 +143,7 @@ func (s *Sender) HandleRTP(track *Receiver) {
 	go func() {
 		// read packets from buffer channel until it will be closed
 		for packet := range buffer {
-			s.mu.Lock()
 			s.bytes += len(packet.Payload)
-			s.mu.Unlock()
 			s.Handler(packet)
 		}
 

pkg/core/writebuffer.go

@@ -3,6 +3,7 @@ package core
 import (
 	"bytes"
 	"io"
+	"net/http"
 	"sync"
 )
 
@@ -32,6 +33,8 @@ func (w *WriteBuffer) Write(p []byte) (n int, err error) {
 	} else if n, err = w.Writer.Write(p); err != nil {
 		w.err = err
 		w.done()
+	} else if f, ok := w.Writer.(http.Flusher); ok {
+		f.Flush()
 	}
 	w.mu.Unlock()
 	return

pkg/dvrip/client.go

@@ -2,8 +2,8 @@ package dvrip
 
 import (
 	"bufio"
+	"bytes"
 	"crypto/md5"
-	"encoding/base64"
 	"encoding/binary"
 	"encoding/json"
 	"errors"
@@ -12,49 +12,29 @@ import (
 	"net"
 	"net/url"
 	"time"
+)
 
-	"github.com/AlexxIT/go2rtc/pkg/core"
-	"github.com/AlexxIT/go2rtc/pkg/h264"
-	"github.com/AlexxIT/go2rtc/pkg/h264/annexb"
-	"github.com/AlexxIT/go2rtc/pkg/h265"
-	"github.com/pion/rtp"
+const (
+	Login          = 1000
+	OPMonitorClaim = 1413
+	OPMonitorStart = 1410
+	OPTalkClaim    = 1434
+	OPTalkStart    = 1430
+	OPTalkData     = 1432
 )
 
 type Client struct {
-	core.Listener
-
-	uri     string
 	conn    net.Conn
-	reader  *bufio.Reader
 	session uint32
 	seq     uint32
 	stream  string
 
-	medias     []*core.Media
-	receivers  []*core.Receiver
-	videoTrack *core.Receiver
-	audioTrack *core.Receiver
-
-	videoTS  uint32
-	videoDT  uint32
-	audioTS  uint32
-	audioSeq uint16
-
-	recv uint32
+	rd  io.Reader
+	buf []byte
 }
 
-type Response map[string]any
-
-const Login = uint16(1000)
-const OPMonitorClaim = uint16(1413)
-const OPMonitorStart = uint16(1410)
-
-func NewClient(url string) *Client {
-	return &Client{uri: url}
-}
-
-func (c *Client) Dial() (err error) {
-	u, err := url.Parse(c.uri)
+func (c *Client) Dial(rawURL string) (err error) {
+	u, err := url.Parse(rawURL)
 	if err != nil {
 		return
 	}
@@ -69,26 +49,27 @@ func (c *Client) Dial() (err error) {
 		return
 	}
 
-	c.reader = bufio.NewReader(c.conn)
+	if query := u.Query(); query.Get("backchannel") != "1" {
+		channel := query.Get("channel")
+		if channel == "" {
+			channel = "0"
+		}
 
-	query := u.Query()
-	channel := query.Get("channel")
-	if channel == "" {
-		channel = "0"
+		subtype := query.Get("subtype")
+		switch subtype {
+		case "", "0":
+			subtype = "Main"
+		case "1":
+			subtype = "Extra1"
+		}
+
+		c.stream = fmt.Sprintf(
+			`{"Channel":%s,"CombinMode":"NONE","StreamType":"%s","TransMode":"TCP"}`,
+			channel, subtype,
+		)
 	}
 
-	subtype := query.Get("subtype")
-	switch subtype {
-	case "", "0":
-		subtype = "Main"
-	case "1":
-		subtype = "Extra1"
-	}
-
-	c.stream = fmt.Sprintf(
-		`{"Channel":%s,"CombinMode":"NONE","StreamType":"%s","TransMode":"TCP"}`,
-		channel, subtype,
-	)
+	c.rd = bufio.NewReader(c.conn)
 
 	if u.User != nil {
 		pass, _ := u.User.Password()
@@ -98,210 +79,84 @@ func (c *Client) Dial() (err error) {
 	}
 }
 
-func (c *Client) Login(user, pass string) (err error) {
-	data := fmt.Sprintf(
-		`{"EncryptType":"MD5","LoginType":"DVRIP-Web","PassWord":"%s","UserName":"%s"}`,
-		SofiaHash(pass), user,
-	)
-
-	if err = c.Request(Login, data); err != nil {
-		return
-	}
-
-	_, err = c.ResponseJSON()
-	return
-}
-
-func (c *Client) Play() (err error) {
-	format := `{"Name":"OPMonitor","SessionID":"0x%08X","OPMonitor":{"Action":"%s","Parameter":%s}}`
-
-	data := fmt.Sprintf(format, c.session, "Claim", c.stream)
-	if err = c.Request(OPMonitorClaim, data); err != nil {
-		return
-	}
-	if _, err = c.ResponseJSON(); err != nil {
-		return
-	}
-
-	data = fmt.Sprintf(format, c.session, "Start", c.stream)
-	return c.Request(OPMonitorStart, data)
-}
-
-func (c *Client) Handle() error {
-	var buf []byte
-	var size int
-
-	var probe byte
-	if c.medias == nil {
-		probe = 1
-	}
-
-	for {
-		b, err := c.Response()
-		if err != nil {
-			return err
-		}
-
-		// collect data from multiple packets
-		if size > 0 {
-			buf = append(buf, b...)
-			if len(buf) < size {
-				continue
-			}
-			if len(buf) > size {
-				return errors.New("wrong size")
-			}
-			b = buf
-		}
-
-		dataType := binary.BigEndian.Uint32(b)
-		switch dataType {
-		case 0x1FC, 0x1FE:
-			size = int(binary.LittleEndian.Uint32(b[12:])) + 16
-		case 0x1FD: // PFrame
-			size = int(binary.LittleEndian.Uint32(b[4:])) + 8
-		case 0x1FA, 0x1F9:
-			size = int(binary.LittleEndian.Uint16(b[6:])) + 8
-		default:
-			return fmt.Errorf("unknown type: %X", dataType)
-		}
-
-		if len(b) < size {
-			buf = b
-			continue // need to collect data from next packets
-		}
-
-		//log.Printf("[DVR] type: %d, len: %d", dataType, len(b))
-
-		switch dataType {
-		case 0x1FC, 0x1FE: // video IFrame
-			payload := annexb.EncodeToAVCC(b[16:], false)
-
-			if c.videoTrack == nil {
-				fps := b[5]
-				//width := uint16(b[6]) * 8
-				//height := uint16(b[7]) * 8
-				//println(width, height)
-				ts := b[8:]
-
-				// the exact value of the start TS does not matter
-				c.videoTS = binary.LittleEndian.Uint32(ts)
-				c.videoDT = 90000 / uint32(fps)
-
-				c.AddVideoTrack(b[4], payload)
-			}
-
-			if c.videoTrack != nil {
-				c.videoTS += c.videoDT
-
-				packet := &rtp.Packet{
-					Header:  rtp.Header{Timestamp: c.videoTS},
-					Payload: payload,
-				}
-
-				//log.Printf("[AVC] %v, len: %d, ts: %10d", h265.Types(payload), len(payload), packet.Timestamp)
-
-				c.videoTrack.WriteRTP(packet)
-			}
-
-		case 0x1FD: // PFrame
-			if c.videoTrack != nil {
-				c.videoTS += c.videoDT
-
-				packet := &rtp.Packet{
-					Header:  rtp.Header{Timestamp: c.videoTS},
-					Payload: annexb.EncodeToAVCC(b[8:], false),
-				}
-
-				//log.Printf("[DVR] %v, len: %d, ts: %10d", h265.Types(packet.Payload), len(packet.Payload), packet.Timestamp)
-
-				c.videoTrack.WriteRTP(packet)
-			}
-
-		case 0x1FA, 0x1F9: // audio
-			if c.audioTrack == nil {
-				// the exact value of the start TS does not matter
-				c.audioTS = c.videoTS
-
-				c.AddAudioTrack(b[4], b[5])
-			}
-
-			if c.audioTrack != nil {
-				for b != nil {
-					payload := b[8:size]
-					if len(b) > size {
-						b = b[size:]
-					} else {
-						b = nil
-					}
-
-					c.audioTS += uint32(len(payload))
-					c.audioSeq++
-
-					packet := &rtp.Packet{
-						Header: rtp.Header{
-							Version:        2,
-							Marker:         true,
-							SequenceNumber: c.audioSeq,
-							Timestamp:      c.audioTS,
-						},
-						Payload: payload,
-					}
-
-					//log.Printf("[DVR] len: %d, ts: %10d", len(packet.Payload), packet.Timestamp)
-
-					c.audioTrack.WriteRTP(packet)
-				}
-			}
-		}
-
-		if probe != 0 {
-			probe++
-			if (c.videoTS > 0 && c.audioTS > 0) || probe == 20 {
-				return nil
-			}
-		}
-
-		size = 0
-	}
-}
-
 func (c *Client) Close() error {
 	return c.conn.Close()
 }
 
-func (c *Client) Request(cmd uint16, data string) (err error) {
+func (c *Client) Login(user, pass string) (err error) {
+	data := fmt.Sprintf(
+		`{"EncryptType":"MD5","LoginType":"DVRIP-Web","PassWord":"%s","UserName":"%s"}`+"\x0A\x00",
+		SofiaHash(pass), user,
+	)
+
+	if _, err = c.WriteCmd(Login, []byte(data)); err != nil {
+		return
+	}
+
+	_, err = c.ReadJSON()
+	return
+}
+
+func (c *Client) Play() error {
+	format := `{"Name":"OPMonitor","SessionID":"0x%08X","OPMonitor":{"Action":"%s","Parameter":%s}}` + "\x0A\x00"
+
+	data := fmt.Sprintf(format, c.session, "Claim", c.stream)
+	if _, err := c.WriteCmd(OPMonitorClaim, []byte(data)); err != nil {
+		return err
+	}
+	if _, err := c.ReadJSON(); err != nil {
+		return err
+	}
+
+	data = fmt.Sprintf(format, c.session, "Start", c.stream)
+	_, err := c.WriteCmd(OPMonitorStart, []byte(data))
+	return err
+}
+
+func (c *Client) Talk() error {
+	format := `{"Name":"OPTalk","SessionID":"0x%08X","OPTalk":{"Action":"%s"}}` + "\x0A\x00"
+
+	data := fmt.Sprintf(format, c.session, "Claim")
+	if _, err := c.WriteCmd(OPTalkClaim, []byte(data)); err != nil {
+		return err
+	}
+	if _, err := c.ReadJSON(); err != nil {
+		return err
+	}
+
+	data = fmt.Sprintf(format, c.session, "Start")
+	_, err := c.WriteCmd(OPTalkStart, []byte(data))
+	return err
+}
+
+func (c *Client) WriteCmd(cmd uint16, payload []byte) (n int, err error) {
 	b := make([]byte, 20, 128)
 	b[0] = 255
 	binary.LittleEndian.PutUint32(b[4:], c.session)
 	binary.LittleEndian.PutUint32(b[8:], c.seq)
 	binary.LittleEndian.PutUint16(b[14:], cmd)
-	binary.LittleEndian.PutUint32(b[16:], uint32(len(data))+2)
-	b = append(b, data...)
-	b = append(b, 0x0A, 0x00)
+	binary.LittleEndian.PutUint32(b[16:], uint32(len(payload)))
+	b = append(b, payload...)
 
 	c.seq++
 
 	if err = c.conn.SetWriteDeadline(time.Now().Add(time.Second * 5)); err != nil {
-		return
+		return 0, err
 	}
 
-	_, err = c.conn.Write(b)
-	return
+	return c.conn.Write(b)
 }
 
-func (c *Client) Response() (b []byte, err error) {
+func (c *Client) ReadChunk() (b []byte, err error) {
 	if err = c.conn.SetReadDeadline(time.Now().Add(time.Second * 5)); err != nil {
 		return
 	}
 
 	b = make([]byte, 20)
-	if _, err = io.ReadFull(c.reader, b); err != nil {
+	if _, err = io.ReadFull(c.rd, b); err != nil {
 		return
 	}
 
-	c.recv += 20
-
 	if b[0] != 255 {
 		return nil, errors.New("read error")
 	}
@@ -310,17 +165,59 @@ func (c *Client) Response() (b []byte, err error) {
 	size := binary.LittleEndian.Uint32(b[16:])
 
 	b = make([]byte, size)
-	if _, err = io.ReadFull(c.reader, b); err != nil {
+	if _, err = io.ReadFull(c.rd, b); err != nil {
 		return
 	}
 
-	c.recv += size
-
 	return
 }
 
-func (c *Client) ResponseJSON() (res Response, err error) {
-	b, err := c.Response()
+func (c *Client) ReadPacket() (pType byte, payload []byte, err error) {
+	var b []byte
+
+	// many cameras may split packet to multiple chunks
+	// some rare cameras may put multiple packets to single chunk
+	for len(c.buf) < 16 {
+		if b, err = c.ReadChunk(); err != nil {
+			return 0, nil, err
+		}
+		c.buf = append(c.buf, b...)
+	}
+
+	if !bytes.HasPrefix(c.buf, []byte{0, 0, 1}) {
+		return 0, nil, fmt.Errorf("dvrip: wrong packet: %0.16x", c.buf)
+	}
+
+	var size int
+
+	switch pType = c.buf[3]; pType {
+	case 0xFC, 0xFE:
+		size = int(binary.LittleEndian.Uint32(c.buf[12:])) + 16
+	case 0xFD: // PFrame
+		size = int(binary.LittleEndian.Uint32(c.buf[4:])) + 8
+	case 0xFA, 0xF9:
+		size = int(binary.LittleEndian.Uint16(c.buf[6:])) + 8
+	default:
+		return 0, nil, fmt.Errorf("dvrip: unknown packet type: %X", pType)
+	}
+
+	for len(c.buf) < size {
+		if b, err = c.ReadChunk(); err != nil {
+			return 0, nil, err
+		}
+		c.buf = append(c.buf, b...)
+	}
+
+	payload = c.buf[:size]
+	c.buf = c.buf[size:]
+
+	return
+}
+
+type Response map[string]any
+
+func (c *Client) ReadJSON() (res Response, err error) {
+	b, err := c.ReadChunk()
 	if err != nil {
 		return
 	}
@@ -336,94 +233,6 @@ func (c *Client) ResponseJSON() (res Response, err error) {
 	return
 }
 
-func (c *Client) AddVideoTrack(mediaCode byte, payload []byte) {
-	var codec *core.Codec
-	switch mediaCode {
-	case 0x02, 0x12:
-		codec = &core.Codec{
-			Name:        core.CodecH264,
-			ClockRate:   90000,
-			PayloadType: core.PayloadTypeRAW,
-			FmtpLine:    h264.GetFmtpLine(payload),
-		}
-
-	case 0x03, 0x13, 0x43, 0x53:
-		codec = &core.Codec{
-			Name:        core.CodecH265,
-			ClockRate:   90000,
-			PayloadType: core.PayloadTypeRAW,
-			FmtpLine:    "profile-id=1",
-		}
-
-		for {
-			size := 4 + int(binary.BigEndian.Uint32(payload))
-
-			switch h265.NALUType(payload) {
-			case h265.NALUTypeVPS:
-				codec.FmtpLine += ";sprop-vps=" + base64.StdEncoding.EncodeToString(payload[4:size])
-			case h265.NALUTypeSPS:
-				codec.FmtpLine += ";sprop-sps=" + base64.StdEncoding.EncodeToString(payload[4:size])
-			case h265.NALUTypePPS:
-				codec.FmtpLine += ";sprop-pps=" + base64.StdEncoding.EncodeToString(payload[4:size])
-			}
-
-			if size < len(payload) {
-				payload = payload[size:]
-			} else {
-				break
-			}
-		}
-	default:
-		println("[DVRIP] unsupported video codec:", mediaCode)
-		return
-	}
-
-	media := &core.Media{
-		Kind:      core.KindVideo,
-		Direction: core.DirectionRecvonly,
-		Codecs:    []*core.Codec{codec},
-	}
-	c.medias = append(c.medias, media)
-
-	c.videoTrack = core.NewReceiver(media, codec)
-	c.receivers = append(c.receivers, c.videoTrack)
-}
-
-var sampleRates = []uint32{4000, 8000, 11025, 16000, 20000, 22050, 32000, 44100, 48000}
-
-func (c *Client) AddAudioTrack(mediaCode byte, sampleRate byte) {
-	// https://github.com/vigoss30611/buildroot-ltc/blob/master/system/qm/ipc/ProtocolService/src/ZhiNuo/inc/zn_dh_base_type.h
-	// PCM8 = 7, G729, IMA_ADPCM, G711U, G721, PCM8_VWIS, MS_ADPCM, G711A, PCM16
-	var codec *core.Codec
-	switch mediaCode {
-	case 10: // G711U
-		codec = &core.Codec{
-			Name: core.CodecPCMU,
-		}
-	case 14: // G711A
-		codec = &core.Codec{
-			Name: core.CodecPCMA,
-		}
-	default:
-		println("[DVRIP] unsupported audio codec:", mediaCode)
-		return
-	}
-
-	if sampleRate <= byte(len(sampleRates)) {
-		codec.ClockRate = sampleRates[sampleRate-1]
-	}
-
-	media := &core.Media{
-		Kind:      core.KindAudio,
-		Direction: core.DirectionRecvonly,
-		Codecs:    []*core.Codec{codec},
-	}
-	c.medias = append(c.medias, media)
-
-	c.audioTrack = core.NewReceiver(media, codec)
-	c.receivers = append(c.receivers, c.audioTrack)
-}
-
 func SofiaHash(password string) string {
 	const chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
 

pkg/dvrip/consumer.go

@@ -0,0 +1,84 @@
+package dvrip
+
+import (
+	"encoding/binary"
+	"time"
+
+	"github.com/AlexxIT/go2rtc/pkg/core"
+	"github.com/pion/rtp"
+)
+
+type Consumer struct {
+	core.SuperConsumer
+	client *Client
+}
+
+func (c *Consumer) GetTrack(media *core.Media, codec *core.Codec) (*core.Receiver, error) {
+	return nil, core.ErrCantGetTrack
+}
+
+func (c *Consumer) Start() error {
+	if err := c.client.conn.SetReadDeadline(time.Time{}); err != nil {
+		return err
+	}
+
+	b := make([]byte, 4096)
+	for {
+		if _, err := c.client.rd.Read(b); err != nil {
+			return err
+		}
+	}
+}
+
+func (c *Consumer) Stop() error {
+	_ = c.SuperConsumer.Close()
+	return c.client.Close()
+}
+
+func (c *Consumer) AddTrack(media *core.Media, _ *core.Codec, track *core.Receiver) error {
+	if err := c.client.Talk(); err != nil {
+		return err
+	}
+
+	const PacketSize = 320
+
+	buf := make([]byte, 8+PacketSize)
+	binary.BigEndian.PutUint32(buf, 0x1FA)
+
+	switch track.Codec.Name {
+	case core.CodecPCMU:
+		buf[4] = 10
+	case core.CodecPCMA:
+		buf[4] = 14
+	}
+
+	//for i, rate := range sampleRates {
+	//	if rate == track.Codec.ClockRate {
+	//		buf[5] = byte(i) + 1
+	//		break
+	//	}
+	//}
+	buf[5] = 2 // ClockRate=8000
+
+	binary.LittleEndian.PutUint16(buf[6:], PacketSize)
+
+	var payload []byte
+
+	sender := core.NewSender(media, track.Codec)
+	sender.Handler = func(packet *rtp.Packet) {
+		payload = append(payload, packet.Payload...)
+
+		for len(payload) >= PacketSize {
+			buf = append(buf[:8], payload[:PacketSize]...)
+			if n, err := c.client.WriteCmd(OPTalkData, buf); err != nil {
+				c.Send += n
+			}
+
+			payload = payload[PacketSize:]
+		}
+	}
+
+	sender.HandleRTP(track)
+	c.Senders = append(c.Senders, sender)
+	return nil
+}

pkg/dvrip/dvrip.go

@@ -0,0 +1,33 @@
+package dvrip
+
+import "github.com/AlexxIT/go2rtc/pkg/core"
+
+func Dial(url string) (core.Producer, error) {
+	client := &Client{}
+	if err := client.Dial(url); err != nil {
+		return nil, err
+	}
+
+	if client.stream != "" {
+		prod := &Producer{client: client}
+		prod.Type = "DVRIP active producer"
+		if err := prod.probe(); err != nil {
+			return nil, err
+		}
+		return prod, nil
+	} else {
+		cons := &Consumer{client: client}
+		cons.Type = "DVRIP active consumer"
+		cons.Medias = []*core.Media{
+			{
+				Kind:      core.KindAudio,
+				Direction: core.DirectionSendonly,
+				Codecs: []*core.Codec{
+					{Name: core.CodecPCMA, ClockRate: 8000, PayloadType: 8},
+					{Name: core.CodecPCMU, ClockRate: 8000, PayloadType: 0},
+				},
+			},
+		}
+		return cons, nil
+	}
+}

pkg/dvrip/producer.go

@@ -1,41 +1,266 @@
 package dvrip
 
 import (
-	"encoding/json"
+	"encoding/base64"
+	"encoding/binary"
+	"errors"
+	"fmt"
+	"time"
+
 	"github.com/AlexxIT/go2rtc/pkg/core"
+	"github.com/AlexxIT/go2rtc/pkg/h264"
+	"github.com/AlexxIT/go2rtc/pkg/h264/annexb"
+	"github.com/AlexxIT/go2rtc/pkg/h265"
+	"github.com/pion/rtp"
 )
 
-func (c *Client) GetMedias() []*core.Media {
-	return c.medias
+type Producer struct {
+	core.SuperProducer
+
+	client *Client
+
+	video, audio *core.Receiver
+
+	videoTS  uint32
+	videoDT  uint32
+	audioTS  uint32
+	audioSeq uint16
 }
 
-func (c *Client) GetTrack(media *core.Media, codec *core.Codec) (*core.Receiver, error) {
-	for _, track := range c.receivers {
-		if track.Codec == codec {
-			return track, nil
+func (c *Producer) Start() error {
+	for {
+		pType, b, err := c.client.ReadPacket()
+		if err != nil {
+			return err
+		}
+
+		//log.Printf("[DVR] type: %d, len: %d", dataType, len(b))
+
+		switch pType {
+		case 0xFC, 0xFE, 0xFD:
+			if c.video == nil {
+				continue
+			}
+
+			var payload []byte
+			if pType != 0xFD {
+				payload = b[16:] // iframe
+			} else {
+				payload = b[8:] // pframe
+			}
+
+			c.videoTS += c.videoDT
+
+			packet := &rtp.Packet{
+				Header:  rtp.Header{Timestamp: c.videoTS},
+				Payload: annexb.EncodeToAVCC(payload, false),
+			}
+
+			//log.Printf("[AVC] %v, len: %d, ts: %10d", h265.Types(payload), len(payload), packet.Timestamp)
+
+			c.video.WriteRTP(packet)
+
+		case 0xFA: // audio
+			if c.audio == nil {
+				continue
+			}
+
+			payload := b[8:]
+
+			c.audioTS += uint32(len(payload))
+			c.audioSeq++
+
+			packet := &rtp.Packet{
+				Header: rtp.Header{
+					Version:        2,
+					Marker:         true,
+					SequenceNumber: c.audioSeq,
+					Timestamp:      c.audioTS,
+				},
+				Payload: payload,
+			}
+
+			//log.Printf("[DVR] len: %d, ts: %10d", len(packet.Payload), packet.Timestamp)
+
+			c.audio.WriteRTP(packet)
+
+		case 0xF9: // unknown
+
+		default:
+			println(fmt.Sprintf("dvrip: unknown packet type: %d", pType))
 		}
 	}
-	return nil, core.ErrCantGetTrack
 }
 
-func (c *Client) Start() error {
-	return c.Handle()
+func (c *Producer) Stop() error {
+	return c.client.Close()
 }
 
-func (c *Client) Stop() error {
-	for _, receiver := range c.receivers {
-		receiver.Close()
+func (c *Producer) probe() error {
+	if err := c.client.Play(); err != nil {
+		return err
+	}
+
+	rd := core.NewReadBuffer(c.client.rd)
+	rd.BufferSize = core.ProbeSize
+	defer func() {
+		c.client.buf = nil
+		rd.Reset()
+	}()
+
+	c.client.rd = rd
+
+	// some awful cameras has VERY rare keyframes
+	// so we wait video+audio for default probe time
+	// and wait anything for 15 seconds
+	timeoutBoth := time.Now().Add(core.ProbeTimeout)
+	timeoutAny := time.Now().Add(time.Second * 15)
+
+	for {
+		if now := time.Now(); now.Before(timeoutBoth) {
+			if c.video != nil && c.audio != nil {
+				return nil
+			}
+		} else if now.Before(timeoutAny) {
+			if c.video != nil || c.audio != nil {
+				return nil
+			}
+		} else {
+			return errors.New("dvrip: can't probe medias")
+		}
+
+		tag, b, err := c.client.ReadPacket()
+		if err != nil {
+			return err
+		}
+
+		switch tag {
+		case 0xFC, 0xFE: // video
+			if c.video != nil {
+				continue
+			}
+
+			fps := b[5]
+			//width := uint16(b[6]) * 8
+			//height := uint16(b[7]) * 8
+			//println(width, height)
+			ts := b[8:]
+
+			// the exact value of the start TS does not matter
+			c.videoTS = binary.LittleEndian.Uint32(ts)
+			c.videoDT = 90000 / uint32(fps)
+
+			payload := annexb.EncodeToAVCC(b[16:], false)
+			c.addVideoTrack(b[4], payload)
+
+		case 0xFA: // audio
+			if c.audio != nil {
+				continue
+			}
+
+			// the exact value of the start TS does not matter
+			c.audioTS = c.videoTS
+
+			c.addAudioTrack(b[4], b[5])
+		}
 	}
-	return c.Close()
 }
 
-func (c *Client) MarshalJSON() ([]byte, error) {
-	info := &core.Info{
-		Type:       "DVRIP active producer",
-		RemoteAddr: c.conn.RemoteAddr().String(),
-		Medias:     c.medias,
-		Receivers:  c.receivers,
-		Recv:       int(c.recv),
+func (c *Producer) addVideoTrack(mediaCode byte, payload []byte) {
+	var codec *core.Codec
+	switch mediaCode {
+	case 0x02, 0x12:
+		codec = &core.Codec{
+			Name:        core.CodecH264,
+			ClockRate:   90000,
+			PayloadType: core.PayloadTypeRAW,
+			FmtpLine:    h264.GetFmtpLine(payload),
+		}
+
+	case 0x03, 0x13, 0x43, 0x53:
+		codec = &core.Codec{
+			Name:        core.CodecH265,
+			ClockRate:   90000,
+			PayloadType: core.PayloadTypeRAW,
+			FmtpLine:    "profile-id=1",
+		}
+
+		for {
+			size := 4 + int(binary.BigEndian.Uint32(payload))
+
+			switch h265.NALUType(payload) {
+			case h265.NALUTypeVPS:
+				codec.FmtpLine += ";sprop-vps=" + base64.StdEncoding.EncodeToString(payload[4:size])
+			case h265.NALUTypeSPS:
+				codec.FmtpLine += ";sprop-sps=" + base64.StdEncoding.EncodeToString(payload[4:size])
+			case h265.NALUTypePPS:
+				codec.FmtpLine += ";sprop-pps=" + base64.StdEncoding.EncodeToString(payload[4:size])
+			}
+
+			if size < len(payload) {
+				payload = payload[size:]
+			} else {
+				break
+			}
+		}
+	default:
+		println("[DVRIP] unsupported video codec:", mediaCode)
+		return
 	}
-	return json.Marshal(info)
+
+	media := &core.Media{
+		Kind:      core.KindVideo,
+		Direction: core.DirectionRecvonly,
+		Codecs:    []*core.Codec{codec},
+	}
+	c.Medias = append(c.Medias, media)
+
+	c.video = core.NewReceiver(media, codec)
+	c.Receivers = append(c.Receivers, c.video)
 }
+
+var sampleRates = []uint32{4000, 8000, 11025, 16000, 20000, 22050, 32000, 44100, 48000}
+
+func (c *Producer) addAudioTrack(mediaCode byte, sampleRate byte) {
+	// https://github.com/vigoss30611/buildroot-ltc/blob/master/system/qm/ipc/ProtocolService/src/ZhiNuo/inc/zn_dh_base_type.h
+	// PCM8 = 7, G729, IMA_ADPCM, G711U, G721, PCM8_VWIS, MS_ADPCM, G711A, PCM16
+	var codec *core.Codec
+	switch mediaCode {
+	case 10: // G711U
+		codec = &core.Codec{
+			Name: core.CodecPCMU,
+		}
+	case 14: // G711A
+		codec = &core.Codec{
+			Name: core.CodecPCMA,
+		}
+	default:
+		println("[DVRIP] unsupported audio codec:", mediaCode)
+		return
+	}
+
+	if sampleRate <= byte(len(sampleRates)) {
+		codec.ClockRate = sampleRates[sampleRate-1]
+	}
+
+	media := &core.Media{
+		Kind:      core.KindAudio,
+		Direction: core.DirectionRecvonly,
+		Codecs:    []*core.Codec{codec},
+	}
+	c.Medias = append(c.Medias, media)
+
+	c.audio = core.NewReceiver(media, codec)
+	c.Receivers = append(c.Receivers, c.audio)
+}
+
+//func (c *Client) MarshalJSON() ([]byte, error) {
+//	info := &core.Info{
+//		Type:       "DVRIP active producer",
+//		RemoteAddr: c.conn.RemoteAddr().String(),
+//		Medias:     c.Medias,
+//		Receivers:  c.Receivers,
+//		Recv:       c.Recv,
+//	}
+//	return json.Marshal(info)
+//}

pkg/expr/expr.go

@@ -0,0 +1,115 @@
+package expr
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"regexp"
+
+	"github.com/AlexxIT/go2rtc/pkg/tcp"
+	"github.com/expr-lang/expr"
+)
+
+func newRequest(method, url string, headers map[string]any) (*http.Request, error) {
+	if method == "" {
+		method = "GET"
+	}
+
+	req, err := http.NewRequest(method, url, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	for k, v := range headers {
+		req.Header.Set(k, fmt.Sprintf("%v", v))
+	}
+
+	return req, nil
+}
+
+func regExp(params ...any) (*regexp.Regexp, error) {
+	exp := params[0].(string)
+	if len(params) >= 2 {
+		// support:
+		//   i  case-insensitive (default false)
+		//   m  multi-line mode: ^ and $ match begin/end line (default false)
+		//   s  let . match \n (default false)
+		// https://pkg.go.dev/regexp/syntax
+		flags := params[1].(string)
+		exp = "(?" + flags + ")" + exp
+	}
+	return regexp.Compile(exp)
+}
+
+var Options = []expr.Option{
+	expr.Function(
+		"fetch",
+		func(params ...any) (any, error) {
+			var req *http.Request
+			var err error
+
+			url := params[0].(string)
+
+			if len(params) == 2 {
+				options := params[1].(map[string]any)
+				method, _ := options["method"].(string)
+				headers, _ := options["headers"].(map[string]any)
+				req, err = newRequest(method, url, headers)
+			} else {
+				req, err = http.NewRequest("GET", url, nil)
+			}
+
+			if err != nil {
+				return nil, err
+			}
+
+			res, err := tcp.Do(req)
+			if err != nil {
+				return nil, err
+			}
+
+			b, _ := io.ReadAll(res.Body)
+
+			return map[string]any{
+				"ok":     res.StatusCode < 400,
+				"status": res.Status,
+				"text":   string(b),
+				"json": func() (v any) {
+					_ = json.Unmarshal(b, &v)
+					return
+				},
+			}, nil
+		},
+		//new(func(url string) map[string]any),
+		//new(func(url string, options map[string]any) map[string]any),
+	),
+	expr.Function(
+		"match",
+		func(params ...any) (any, error) {
+			re, err := regExp(params[1:]...)
+			if err != nil {
+				return nil, err
+			}
+			str := params[0].(string)
+			return re.FindStringSubmatch(str), nil
+		},
+		//new(func(str, expr string) []string),
+		//new(func(str, expr, flags string) []string),
+	),
+	expr.Function(
+		"RegExp",
+		func(params ...any) (any, error) {
+			return regExp(params)
+		},
+	),
+}
+
+func Run(input string) (any, error) {
+	program, err := expr.Compile(input, Options...)
+	if err != nil {
+		return nil, err
+	}
+
+	return expr.Run(program, nil)
+}

pkg/expr/expr_test.go

@@ -0,0 +1,17 @@
+package expr
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestMatchHost(t *testing.T) {
+	v, err := Run(`
+let url = "rtsp://user:pass@192.168.1.123/cam/realmonitor?...";
+let host = match(url, "//[^/]+")[0][2:];
+host
+`)
+	require.Nil(t, err)
+	require.Equal(t, "user:pass@192.168.1.123", v)
+}

pkg/ffmpeg/ffmpeg.go

@@ -74,7 +74,7 @@ func (a *Args) String() string {
 		b.WriteString(codec)
 	}
 
-	if a.Filters != nil {
+	if len(a.Filters) > 0 {
 		for i, filter := range a.Filters {
 			if i == 0 {
 				b.WriteString(` -vf "`)

pkg/flv/amf/amf.go

@@ -60,6 +60,9 @@ func (a *AMF) ReadItem() (any, error) {
 	case TypeObject:
 		return a.ReadObject()
 
+	case TypeEcmaArray:
+		return a.ReadEcmaArray()
+
 	case TypeNull:
 		return nil, nil
 
@@ -174,7 +177,18 @@ func (a *AMF) WriteString(s string) {
 
 func (a *AMF) WriteObject(obj map[string]any) {
 	a.buf = append(a.buf, TypeObject)
+	a.writeKV(obj)
+	a.buf = append(a.buf, 0, 0, TypeObjectEnd)
+}
 
+func (a *AMF) WriteEcmaArray(obj map[string]any) {
+	n := len(obj)
+	a.buf = append(a.buf, TypeEcmaArray, byte(n>>24), byte(n>>16), byte(n>>8), byte(n))
+	a.writeKV(obj)
+	a.buf = append(a.buf, 0, 0, TypeObjectEnd)
+}
+
+func (a *AMF) writeKV(obj map[string]any) {
 	for k, v := range obj {
 		n := len(k)
 		a.buf = append(a.buf, byte(n>>8), byte(n))
@@ -185,16 +199,41 @@ func (a *AMF) WriteObject(obj map[string]any) {
 			a.WriteString(v)
 		case int:
 			a.WriteNumber(float64(v))
+		case uint16:
+			a.WriteNumber(float64(v))
+		case uint32:
+			a.WriteNumber(float64(v))
+		case float64:
+			a.WriteNumber(v)
 		case bool:
 			a.WriteBool(v)
 		default:
 			panic(v)
 		}
 	}
-
-	a.buf = append(a.buf, 0, 0, TypeObjectEnd)
 }
 
 func (a *AMF) WriteNull() {
 	a.buf = append(a.buf, TypeNull)
 }
+
+func EncodeItems(items ...any) []byte {
+	a := &AMF{}
+	for _, item := range items {
+		switch v := item.(type) {
+		case float64:
+			a.WriteNumber(v)
+		case int:
+			a.WriteNumber(float64(v))
+		case string:
+			a.WriteString(v)
+		case map[string]any:
+			a.WriteObject(v)
+		case nil:
+			a.WriteNull()
+		default:
+			panic(v)
+		}
+	}
+	return a.Bytes()
+}

pkg/flv/amf/amf_test.go

@@ -0,0 +1,217 @@
+package amf
+
+import (
+	"encoding/hex"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestNewReader(t *testing.T) {
+	tests := []struct {
+		name   string
+		actual string
+		expect []any
+	}{
+		{
+			name:   "ffmpeg-http",
+			actual: "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",
+			expect: []any{
+				"onMetaData",
+				map[string]any{
+					"compatible_brands": "isomavc1mp42",
+					"major_brand":       "mp42",
+					"minor_version":     "0",
+					"encoder":           "Lavf60.5.100",
+
+					"filesize": float64(0),
+					"duration": float64(0),
+
+					"videocodecid":  float64(7),
+					"width":         float64(1280),
+					"height":        float64(720),
+					"framerate":     float64(24),
+					"videodatarate": 1944.6162109375,
+
+					"audiocodecid":    float64(10),
+					"audiosamplerate": float64(44100),
+					"stereo":          true,
+					"audiosamplesize": float64(16),
+					"audiodatarate":   122.6435546875,
+				},
+			},
+		},
+		{
+			name:   "ffmpeg-file",
+			actual: "02000a6f6e4d65746144617461080000000800086475726174696f6e004000000000000000000577696474680040940000000000000006686569676874004086800000000000000d766964656f646174617261746500000000000000000000096672616d6572617465004039000000000000000c766964656f636f646563696400401c0000000000000007656e636f64657202000c4c61766636302e352e313030000866696c6573697a6500411f541400000000000009",
+			expect: []any{
+				"onMetaData",
+				map[string]any{
+					"encoder": "Lavf60.5.100",
+
+					"filesize": float64(513285),
+					"duration": float64(2),
+
+					"videocodecid":  float64(7),
+					"width":         float64(1280),
+					"height":        float64(720),
+					"framerate":     float64(25),
+					"videodatarate": float64(0),
+				},
+			},
+		},
+		{
+			name:   "reolink-1",
+			actual: "0200075f726573756c74003ff0000000000000030006666d7356657202000d464d532f332c302c312c313233000c6361706162696c697469657300403f0000000000000000090300056c6576656c0200067374617475730004636f646502001d4e6574436f6e6e656374696f6e2e436f6e6e6563742e53756363657373000b6465736372697074696f6e020015436f6e6e656374696f6e207375636365656465642e000e6f626a656374456e636f64696e67000000000000000000000009",
+			expect: []any{
+				"_result", float64(1),
+				map[string]any{
+					"capabilities": float64(31),
+					"fmsVer":       "FMS/3,0,1,123",
+				},
+				map[string]any{
+					"code":           "NetConnection.Connect.Success",
+					"description":    "Connection succeeded.",
+					"level":          "status",
+					"objectEncoding": float64(0),
+				},
+			},
+		},
+		{
+			name:   "reolink-2",
+			actual: "0200075f726573756c7400400000000000000005003ff0000000000000",
+			expect: []any{
+				"_result", float64(2), nil, float64(1),
+			},
+		},
+		{
+			name:   "reolink-3",
+			actual: "0200086f6e537461747573000000000000000000050300056c6576656c0200067374617475730004636f64650200144e657453747265616d2e506c61792e5374617274000b6465736372697074696f6e020015537461727420766964656f206f6e2064656d616e64000009",
+			expect: []any{
+				"onStatus", float64(0), nil,
+				map[string]any{
+					"code":        "NetStream.Play.Start",
+					"description": "Start video on demand",
+					"level":       "status",
+				},
+			},
+		},
+		{
+			name:   "reolink-4",
+			actual: "0200117c52746d7053616d706c6541636365737301010101",
+			expect: []any{
+				"|RtmpSampleAccess", true, true,
+			},
+		},
+		{
+			name:   "reolink-5",
+			actual: "02000a6f6e4d6574614461746103000577696474680040a4000000000000000668656967687400409e000000000000000c646973706c617957696474680040a4000000000000000d646973706c617948656967687400409e00000000000000086475726174696f6e000000000000000000000c766964656f636f646563696400401c000000000000000c617564696f636f6465636964004024000000000000000f617564696f73616d706c65726174650040cf40000000000000096672616d657261746500403e000000000000000009",
+			expect: []any{
+				"onMetaData",
+				map[string]any{
+					"duration": float64(0),
+
+					"videocodecid":  float64(7),
+					"width":         float64(2560),
+					"height":        float64(1920),
+					"displayWidth":  float64(2560),
+					"displayHeight": float64(1920),
+					"framerate":     float64(30),
+
+					"audiocodecid":    float64(10),
+					"audiosamplerate": float64(16000),
+				},
+			},
+		},
+		{
+			name:   "mediamtx",
+			actual: "02000d40736574446174614672616d6502000a6f6e4d6574614461746103000d766964656f6461746172617465000000000000000000000c766964656f636f646563696400401c000000000000000d617564696f6461746172617465000000000000000000000c617564696f636f6465636964004024000000000000000009",
+			expect: []any{
+				"@setDataFrame",
+				"onMetaData",
+				map[string]any{
+					"videocodecid":  float64(7),
+					"videodatarate": float64(0),
+					"audiocodecid":  float64(10),
+					"audiodatarate": float64(0),
+				},
+			},
+		},
+		{
+			name:   "obs-connect",
+			actual: "020007636f6e6e656374003ff000000000000003000361707002000c617070312f73747265616d3100047479706502000a6e6f6e70726976617465000e737570706f727473476f4177617901010008666c61736856657202001f464d4c452f332e302028636f6d70617469626c653b20464d53632f312e3029000673776655726c02002272746d703a2f2f3139322e3136382e31302e3130312f617070312f73747265616d310005746355726c02002272746d703a2f2f3139322e3136382e31302e3130312f617070312f73747265616d31000009",
+			expect: []any{
+				"connect", 1,
+				map[string]any{
+					"app":            "app1/stream1",
+					"flashVer":       "FMLE/3.0 (compatible; FMSc/1.0)",
+					"supportsGoAway": true,
+					"swfUrl":         "rtmp://192.168.10.101/app1/stream1",
+					"tcUrl":          "rtmp://192.168.10.101/app1/stream1",
+					"type":           "nonprivate",
+				},
+			},
+		},
+		{
+			name:   "obs-key",
+			actual: "02000d72656c6561736553747265616d004000000000000000050200046b657931",
+			expect: []any{
+				"releaseStream", float64(2), nil, "key1",
+			},
+		},
+		{
+			name:   "obs",
+			actual: "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",
+			expect: []any{
+				"@setDataFrame", "onMetaData", map[string]any{
+					"2.1":             false,
+					"3.1":             false,
+					"4.0":             false,
+					"4.1":             false,
+					"5.1":             false,
+					"7.1":             false,
+					"audiochannels":   float64(2),
+					"audiocodecid":    float64(10),
+					"audiodatarate":   float64(160),
+					"audiosamplerate": float64(44100),
+					"audiosamplesize": float64(16),
+					"duration":        float64(0),
+					"encoder":         "obs-output module (libobs version 29.0.0-62-g9001211f8)",
+					"fileSize":        float64(0),
+					"framerate":       float64(25),
+					"height":          float64(360),
+					"stereo":          true,
+					"videocodecid":    float64(7),
+					"videodatarate":   float64(2500),
+					"width":           float64(640),
+				},
+			},
+		},
+		{
+			name:   "telegram-2",
+			actual: "0200075f726573756c7400400000000000000005",
+			expect: []any{
+				"_result", float64(2), nil,
+			},
+		},
+		{
+			name:   "telegram-4",
+			actual: "0200075f726573756c7400401000000000000005003ff0000000000000",
+			expect: []any{
+				"_result", float64(4), nil, float64(1),
+			},
+		},
+	}
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			b, err := hex.DecodeString(test.actual)
+			require.Nil(t, err)
+
+			rd := NewReader(b)
+			v, err := rd.ReadItems()
+			require.Nil(t, err)
+
+			require.Equal(t, test.expect, v)
+		})
+	}
+}

pkg/flv/consumer.go

@@ -0,0 +1,93 @@
+package flv
+
+import (
+	"io"
+
+	"github.com/AlexxIT/go2rtc/pkg/aac"
+	"github.com/AlexxIT/go2rtc/pkg/core"
+	"github.com/AlexxIT/go2rtc/pkg/h264"
+	"github.com/pion/rtp"
+)
+
+type Consumer struct {
+	core.SuperConsumer
+	wr    *core.WriteBuffer
+	muxer *Muxer
+}
+
+func NewConsumer() *Consumer {
+	c := &Consumer{
+		wr:    core.NewWriteBuffer(nil),
+		muxer: &Muxer{},
+	}
+	c.Medias = []*core.Media{
+		{
+			Kind:      core.KindVideo,
+			Direction: core.DirectionSendonly,
+			Codecs: []*core.Codec{
+				{Name: core.CodecH264},
+			},
+		},
+		{
+			Kind:      core.KindAudio,
+			Direction: core.DirectionSendonly,
+			Codecs: []*core.Codec{
+				{Name: core.CodecAAC},
+			},
+		},
+	}
+	return c
+}
+
+func (c *Consumer) AddTrack(media *core.Media, codec *core.Codec, track *core.Receiver) error {
+	sender := core.NewSender(media, track.Codec)
+
+	switch track.Codec.Name {
+	case core.CodecH264:
+		payload := c.muxer.GetPayloader(track.Codec)
+
+		sender.Handler = func(pkt *rtp.Packet) {
+			b := payload(pkt)
+			if n, err := c.wr.Write(b); err == nil {
+				c.Send += n
+			}
+		}
+
+		if track.Codec.IsRTP() {
+			sender.Handler = h264.RTPDepay(track.Codec, sender.Handler)
+		} else {
+			sender.Handler = h264.RepairAVCC(track.Codec, sender.Handler)
+		}
+
+	case core.CodecAAC:
+		payload := c.muxer.GetPayloader(track.Codec)
+
+		sender.Handler = func(pkt *rtp.Packet) {
+			b := payload(pkt)
+			if n, err := c.wr.Write(b); err == nil {
+				c.Send += n
+			}
+		}
+
+		if track.Codec.IsRTP() {
+			sender.Handler = aac.RTPDepay(sender.Handler)
+		}
+	}
+
+	sender.HandleRTP(track)
+	c.Senders = append(c.Senders, sender)
+	return nil
+}
+
+func (c *Consumer) WriteTo(wr io.Writer) (int64, error) {
+	b := c.muxer.GetInit()
+	if _, err := wr.Write(b); err != nil {
+		return 0, err
+	}
+	return c.wr.WriteTo(wr)
+}
+
+func (c *Consumer) Stop() error {
+	_ = c.SuperConsumer.Close()
+	return c.wr.Close()
+}

pkg/flv/muxer.go

@@ -0,0 +1,172 @@
+package flv
+
+import (
+	"encoding/binary"
+	"encoding/hex"
+
+	"github.com/AlexxIT/go2rtc/pkg/core"
+	"github.com/AlexxIT/go2rtc/pkg/flv/amf"
+	"github.com/AlexxIT/go2rtc/pkg/h264"
+	"github.com/pion/rtp"
+)
+
+type Muxer struct {
+	codecs []*core.Codec
+}
+
+const (
+	FlagsVideo = 0b001
+	FlagsAudio = 0b100
+)
+
+func (m *Muxer) GetInit() []byte {
+	b := []byte{
+		'F', 'L', 'V', // signature
+		1,          // version
+		0,          // flags (has video/audio)
+		0, 0, 0, 9, // header size
+		0, 0, 0, 0, // tag 0 size
+	}
+
+	obj := map[string]any{}
+
+	for _, codec := range m.codecs {
+		switch codec.Name {
+		case core.CodecH264:
+			b[4] |= FlagsVideo
+			obj["videocodecid"] = CodecAVC
+
+		case core.CodecAAC:
+			b[4] |= FlagsAudio
+			obj["audiocodecid"] = CodecAAC
+			obj["audiosamplerate"] = codec.ClockRate
+			obj["audiosamplesize"] = 16
+			obj["stereo"] = codec.Channels == 2
+		}
+	}
+
+	data := amf.EncodeItems("@setDataFrame", "onMetaData", obj)
+	b = append(b, EncodeTag(TagData, 0, data)...)
+
+	for _, codec := range m.codecs {
+		switch codec.Name {
+		case core.CodecH264:
+			sps, pps := h264.GetParameterSet(codec.FmtpLine)
+			if len(sps) == 0 {
+				sps = []byte{0x67, 0x42, 0x00, 0x0a, 0xf8, 0x41, 0xa2}
+			}
+			if len(pps) == 0 {
+				pps = []byte{0x68, 0xce, 0x38, 0x80}
+			}
+
+			config := h264.EncodeConfig(sps, pps)
+			video := append(encodeAVData(codec, 0), config...)
+			b = append(b, EncodeTag(TagVideo, 0, video)...)
+
+		case core.CodecAAC:
+			s := core.Between(codec.FmtpLine, "config=", ";")
+			config, _ := hex.DecodeString(s)
+			audio := append(encodeAVData(codec, 0), config...)
+			b = append(b, EncodeTag(TagAudio, 0, audio)...)
+		}
+	}
+
+	return b
+}
+
+func (m *Muxer) GetPayloader(codec *core.Codec) func(packet *rtp.Packet) []byte {
+	m.codecs = append(m.codecs, codec)
+
+	var ts0 uint32
+	var k = codec.ClockRate / 1000
+
+	switch codec.Name {
+	case core.CodecH264:
+		buf := encodeAVData(codec, 1)
+
+		return func(packet *rtp.Packet) []byte {
+			if h264.IsKeyframe(packet.Payload) {
+				buf[0] = 1<<4 | 7
+			} else {
+				buf[0] = 2<<4 | 7
+			}
+
+			buf = append(buf[:5], packet.Payload...) // reset buffer to previous place
+
+			if ts0 == 0 {
+				ts0 = packet.Timestamp
+			}
+
+			timeMS := (packet.Timestamp - ts0) / k
+			return EncodeTag(TagVideo, timeMS, buf)
+		}
+
+	case core.CodecAAC:
+		buf := encodeAVData(codec, 1)
+
+		return func(packet *rtp.Packet) []byte {
+			buf = append(buf[:2], packet.Payload...)
+
+			if ts0 == 0 {
+				ts0 = packet.Timestamp
+			}
+
+			timeMS := (packet.Timestamp - ts0) / k
+			return EncodeTag(TagAudio, timeMS, buf)
+		}
+	}
+
+	return nil
+}
+
+func EncodeTag(tagType byte, timeMS uint32, payload []byte) []byte {
+	payloadSize := uint32(len(payload))
+	tagSize := payloadSize + 11
+
+	b := make([]byte, tagSize+4)
+	b[0] = tagType
+	b[1] = byte(payloadSize >> 16)
+	b[2] = byte(payloadSize >> 8)
+	b[3] = byte(payloadSize)
+	b[4] = byte(timeMS >> 16)
+	b[5] = byte(timeMS >> 8)
+	b[6] = byte(timeMS)
+	b[7] = byte(timeMS >> 24)
+	copy(b[11:], payload)
+
+	binary.BigEndian.PutUint32(b[tagSize:], tagSize)
+	return b
+}
+
+func encodeAVData(codec *core.Codec, isFrame byte) []byte {
+	switch codec.Name {
+	case core.CodecH264:
+		return []byte{
+			1<<4 | 7, // keyframe + AVC
+			isFrame,  // 0 - config, 1 - frame
+			0, 0, 0,  // composition time = 0
+		}
+
+	case core.CodecAAC:
+		var b0 byte = 10 << 4 // AAC
+
+		switch codec.ClockRate {
+		case 11025:
+			b0 |= 1 << 2
+		case 22050:
+			b0 |= 2 << 2
+		case 44100:
+			b0 |= 3 << 2
+		}
+
+		b0 |= 1 << 1 // 16 bits
+
+		if codec.Channels == 2 {
+			b0 |= 1
+		}
+
+		return []byte{b0, isFrame} // 0 - config, 1 - frame
+	}
+
+	return nil
+}

pkg/flv/producer.go

@@ -10,6 +10,7 @@ import (
 	"github.com/AlexxIT/go2rtc/pkg/aac"
 	"github.com/AlexxIT/go2rtc/pkg/core"
 	"github.com/AlexxIT/go2rtc/pkg/h264"
+	"github.com/AlexxIT/go2rtc/pkg/h265"
 	"github.com/pion/rtp"
 )
 
@@ -40,6 +41,21 @@ const (
 	CodecAVC = 7
 )
 
+const (
+	PacketTypeAVCHeader = iota
+	PacketTypeAVCNALU
+	PacketTypeAVCEnd
+)
+
+const (
+	PacketTypeSequenceStart = iota
+	PacketTypeCodedFrames
+	PacketTypeSequenceEnd
+	PacketTypeCodedFramesX
+	PacketTypeMetadata
+	PacketTypeMPEG2TSSequenceStart
+)
+
 func (c *Producer) GetTrack(media *core.Media, codec *core.Codec) (*core.Receiver, error) {
 	receiver, _ := c.SuperProducer.GetTrack(media, codec)
 	if media.Kind == core.KindVideo {
@@ -70,13 +86,32 @@ func (c *Producer) Start() error {
 			c.audio.WriteRTP(pkt)
 
 		case TagVideo:
-			// frame type 4b, codecID 4b, avc packet type 8b, composition time 24b
-			if c.video == nil || pkt.Payload[1] == 0 {
+			if c.video == nil {
 				continue
 			}
 
+			if isExHeader(pkt.Payload) {
+				switch packetType := pkt.Payload[0] & 0b1111; packetType {
+				case PacketTypeCodedFrames:
+					// frame type 4b, packet type 4b, fourCC 32b, composition time 24b
+					pkt.Payload = pkt.Payload[8:]
+				case PacketTypeCodedFramesX:
+					// frame type 4b, packet type 4b, fourCC 32b
+					pkt.Payload = pkt.Payload[5:]
+				default:
+					continue
+				}
+			} else {
+				switch pkt.Payload[1] {
+				case PacketTypeAVCNALU:
+					// frame type 4b, codecID 4b, avc packet type 8b, composition time 24b
+					pkt.Payload = pkt.Payload[5:]
+				default:
+					continue
+				}
+			}
+
 			pkt.Timestamp = TimeToRTP(pkt.Timestamp, c.video.Codec.ClockRate)
-			pkt.Payload = pkt.Payload[5:]
 			c.video.WriteRTP(pkt)
 		}
 	}
@@ -145,20 +180,32 @@ func (c *Producer) probe() error {
 			c.Medias = append(c.Medias, media)
 
 		case TagVideo:
-			_ = pkt.Payload[1] // bounds
+			var codec *core.Codec
 
-			_ = pkt.Payload[0] >> 4            // FrameType
-			codecID := pkt.Payload[0] & 0b1111 // CodecID
+			if isExHeader(pkt.Payload) {
+				if string(pkt.Payload[1:5]) != "hvc1" {
+					continue
+				}
 
-			if codecID != CodecAVC {
-				continue
+				if packetType := pkt.Payload[0] & 0b1111; packetType != PacketTypeSequenceStart {
+					continue
+				}
+
+				codec = h265.ConfigToCodec(pkt.Payload[5:])
+			} else {
+				_ = pkt.Payload[0] >> 4 // FrameType
+
+				if codecID := pkt.Payload[0] & 0b1111; codecID != CodecAVC {
+					continue
+				}
+
+				if packetType := pkt.Payload[1]; packetType != PacketTypeAVCHeader { // check if header
+					continue
+				}
+
+				codec = h264.ConfigToCodec(pkt.Payload[5:])
 			}
 
-			if pkt.Payload[1] != 0 { // check if header
-				continue
-			}
-
-			codec := h264.ConfigToCodec(pkt.Payload[5:])
 			media := &core.Media{
 				Kind:      core.KindVideo,
 				Direction: core.DirectionRecvonly,
@@ -170,7 +217,10 @@ func (c *Producer) probe() error {
 			if !bytes.Contains(pkt.Payload, []byte("onMetaData")) {
 				waitType = append(waitType, TagData)
 			}
-			if bytes.Contains(pkt.Payload, []byte("videocodecid")) {
+			// Dahua cameras doesn't send videocodecid
+			if bytes.Contains(pkt.Payload, []byte("videocodecid")) ||
+				bytes.Contains(pkt.Payload, []byte("width")) ||
+				bytes.Contains(pkt.Payload, []byte("framerate")) {
 				waitType = append(waitType, TagVideo)
 			}
 			if bytes.Contains(pkt.Payload, []byte("audiocodecid")) {
@@ -226,9 +276,15 @@ func (c *Producer) readPacket() (*rtp.Packet, error) {
 		return nil, err
 	}
 
+	//log.Printf("[FLV] %d %.40x", pkt.PayloadType, pkt.Payload)
+
 	return pkt, nil
 }
 
 func TimeToRTP(timeMS uint32, clockRate uint32) uint32 {
 	return timeMS * clockRate / 1000
 }
+
+func isExHeader(data []byte) bool {
+	return data[0]&0b1000_0000 != 0
+}

pkg/gopro/discovery.go

@@ -0,0 +1,43 @@
+package gopro
+
+import (
+	"net"
+	"net/http"
+	"regexp"
+)
+
+func Discovery() (urls []string) {
+	ints, err := net.Interfaces()
+	if err != nil {
+		return nil
+	}
+
+	// The socket address for USB connections is 172.2X.1YZ.51:8080
+	// https://gopro.github.io/OpenGoPro/http_2_0#socket-address
+	re := regexp.MustCompile(`^172\.2\d\.1\d\d\.`)
+
+	for _, itf := range ints {
+		addrs, err := itf.Addrs()
+		if err != nil {
+			continue
+		}
+
+		for _, addr := range addrs {
+			host := addr.String()
+			if !re.MatchString(host) {
+				continue
+			}
+
+			host = host[:11] + "51" // 172.2x.1xx.xxx
+			res, err := http.Get("http://" + host + ":8080/gopro/webcam/status")
+			if err != nil {
+				continue
+			}
+			_ = res.Body.Close()
+
+			urls = append(urls, host)
+		}
+	}
+
+	return
+}

pkg/gopro/gopro.go

@@ -0,0 +1,117 @@
+package gopro
+
+import (
+	"errors"
+	"io"
+	"net"
+	"net/http"
+	"net/url"
+	"time"
+
+	"github.com/AlexxIT/go2rtc/pkg/core"
+	"github.com/AlexxIT/go2rtc/pkg/mpegts"
+)
+
+func Dial(rawURL string) (core.Producer, error) {
+	u, err := url.Parse(rawURL)
+	if err != nil {
+		return nil, err
+	}
+
+	r := &listener{host: u.Host}
+
+	if err = r.command("/gopro/webcam/stop"); err != nil {
+		return nil, err
+	}
+
+	if err = r.listen(); err != nil {
+		return nil, err
+	}
+
+	if err = r.command("/gopro/webcam/start"); err != nil {
+		return nil, err
+	}
+
+	return mpegts.Open(r)
+}
+
+type listener struct {
+	conn    net.PacketConn
+	host    string
+	packet  []byte
+	packets chan []byte
+}
+
+func (r *listener) Read(p []byte) (n int, err error) {
+	if r.packet == nil {
+		var ok bool
+		if r.packet, ok = <-r.packets; !ok {
+			return 0, io.EOF // channel closed
+		}
+	}
+
+	n = copy(p, r.packet)
+
+	if n < len(r.packet) {
+		r.packet = r.packet[n:]
+	} else {
+		r.packet = nil
+	}
+
+	return
+}
+
+func (r *listener) Close() error {
+	return r.conn.Close()
+}
+
+func (r *listener) command(api string) error {
+	client := &http.Client{Timeout: 5 * time.Second}
+
+	res, err := client.Get("http://" + r.host + ":8080" + api)
+	if err != nil {
+		return err
+	}
+
+	_ = res.Body.Close()
+
+	if res.StatusCode != http.StatusOK {
+		return errors.New("gopro: wrong response: " + res.Status)
+	}
+
+	return nil
+}
+
+func (r *listener) listen() (err error) {
+	if r.conn, err = net.ListenPacket("udp4", ":8554"); err != nil {
+		return
+	}
+
+	r.packets = make(chan []byte, 1024)
+	go r.worker()
+
+	return
+}
+
+func (r *listener) worker() {
+	b := make([]byte, 1500)
+	for {
+		if err := r.conn.SetReadDeadline(time.Now().Add(3 * time.Second)); err != nil {
+			break
+		}
+
+		n, _, err := r.conn.ReadFrom(b)
+		if err != nil {
+			break
+		}
+
+		packet := make([]byte, n)
+		copy(packet, b)
+
+		r.packets <- packet
+	}
+
+	close(r.packets)
+
+	_ = r.command("/gopro/webcam/stop")
+}

pkg/h264/h264_test.go

@@ -5,6 +5,7 @@ import (
 	"encoding/hex"
 	"testing"
 
+	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )
 
@@ -83,3 +84,12 @@ func TestGetProfileLevelID(t *testing.T) {
 	profile = GetProfileLevelID(s)
 	require.Equal(t, "640029", profile)
 }
+
+func TestDecodeSPS2(t *testing.T) {
+	s := "6764001fad84010c20086100430802184010c200843b50740932"
+	b, err := hex.DecodeString(s)
+	require.Nil(t, err)
+
+	sps := DecodeSPS(b)
+	assert.Nil(t, sps) // broken SPS?
+}

pkg/h264/rtp.go

@@ -29,6 +29,12 @@ func RTPDepay(codec *core.Codec, handler core.HandlerFunc) core.HandlerFunc {
 			return
 		}
 
+		// Memory overflow protection. Can happen if we miss a lot of packets with the marker.
+		// https://github.com/AlexxIT/go2rtc/issues/675
+		if len(buf) > 5*1024*1024 {
+			buf = buf[: 0 : 512*1024]
+		}
+
 		// Fix TP-Link Tapo TC70: sends SPS and PPS with packet.Marker = true
 		// Reolink Duo 2: sends SPS with Marker and PPS without
 		if packet.Marker && len(payload) < PSMaxSize {

pkg/h264/sps.go

@@ -115,9 +115,14 @@ func DecodeSPS(sps []byte) *SPS {
 		s.seq_scaling_matrix_present_flag = r.ReadBit()
 		if s.seq_scaling_matrix_present_flag != 0 {
 			for i := byte(0); i < n; i++ {
-				ssl := r.ReadBit() // seq_scaling_list_present_flag[i]
-				if ssl != 0 {
-					return nil // not implemented
+				//goland:noinspection GoSnakeCaseUsage
+				seq_scaling_list_present_flag := r.ReadBit()
+				if seq_scaling_list_present_flag != 0 {
+					if i < 6 {
+						s.scaling_list(r, 16)
+					} else {
+						s.scaling_list(r, 64)
+					}
 				}
 			}
 		}
@@ -209,3 +214,18 @@ func DecodeSPS(sps []byte) *SPS {
 
 	return s
 }
+
+//goland:noinspection GoSnakeCaseUsage
+func (s *SPS) scaling_list(r *bits.Reader, sizeOfScalingList int) {
+	lastScale := int32(8)
+	nextScale := int32(8)
+	for j := 0; j < sizeOfScalingList; j++ {
+		if nextScale != 0 {
+			delta_scale := r.ReadSEGolomb()
+			nextScale = (lastScale + delta_scale + 256) % 256
+		}
+		if nextScale != 0 {
+			lastScale = nextScale
+		}
+	}
+}

pkg/h265/avcc.go

@@ -7,8 +7,26 @@ import (
 	"encoding/binary"
 
 	"github.com/AlexxIT/go2rtc/pkg/core"
+	"github.com/AlexxIT/go2rtc/pkg/h264"
+	"github.com/pion/rtp"
 )
 
+func RepairAVCC(codec *core.Codec, handler core.HandlerFunc) core.HandlerFunc {
+	vds, sps, pps := GetParameterSet(codec.FmtpLine)
+	ps := h264.JoinNALU(vds, sps, pps)
+
+	return func(packet *rtp.Packet) {
+		switch NALUType(packet.Payload) {
+		case NALUTypeIFrame, NALUTypeIFrame2, NALUTypeIFrame3:
+			clone := *packet
+			clone.Payload = h264.Join(ps, packet.Payload)
+			handler(&clone)
+		default:
+			handler(packet)
+		}
+	}
+}
+
 func AVCCToCodec(avcc []byte) *core.Codec {
 	buf := bytes.NewBufferString("profile-id=1")
 

pkg/h265/mpeg4.go

@@ -1,7 +1,40 @@
 // Package h265 - MPEG4 format related functions
 package h265
 
-import "encoding/binary"
+import (
+	"bytes"
+	"encoding/base64"
+	"encoding/binary"
+
+	"github.com/AlexxIT/go2rtc/pkg/core"
+)
+
+func DecodeConfig(conf []byte) (profile, vps, sps, pps []byte) {
+	profile = conf[1:4]
+
+	b := conf[23:]
+	if binary.BigEndian.Uint16(b[1:]) != 1 {
+		return
+	}
+	vpsSize := binary.BigEndian.Uint16(b[3:])
+	vps = b[5 : 5+vpsSize]
+
+	b = conf[23+5+vpsSize:]
+	if binary.BigEndian.Uint16(b[1:]) != 1 {
+		return
+	}
+	spsSize := binary.BigEndian.Uint16(b[3:])
+	sps = b[5 : 5+spsSize]
+
+	b = conf[23+5+vpsSize+5+spsSize:]
+	if binary.BigEndian.Uint16(b[1:]) != 1 {
+		return
+	}
+	ppsSize := binary.BigEndian.Uint16(b[3:])
+	pps = b[5 : 5+ppsSize]
+
+	return
+}
 
 func EncodeConfig(vps, sps, pps []byte) []byte {
 	vpsSize := uint16(len(vps))
@@ -38,3 +71,28 @@ func EncodeConfig(vps, sps, pps []byte) []byte {
 
 	return buf
 }
+
+func ConfigToCodec(conf []byte) *core.Codec {
+	buf := bytes.NewBufferString("profile-id=1")
+
+	_, vps, sps, pps := DecodeConfig(conf)
+	if vps != nil {
+		buf.WriteString(";sprop-vps=")
+		buf.WriteString(base64.StdEncoding.EncodeToString(vps))
+	}
+	if sps != nil {
+		buf.WriteString(";sprop-sps=")
+		buf.WriteString(base64.StdEncoding.EncodeToString(sps))
+	}
+	if pps != nil {
+		buf.WriteString(";sprop-pps=")
+		buf.WriteString(base64.StdEncoding.EncodeToString(pps))
+	}
+
+	return &core.Codec{
+		Name:        core.CodecH265,
+		ClockRate:   90000,
+		FmtpLine:    buf.String(),
+		PayloadType: core.PayloadTypeRAW,
+	}
+}

pkg/h265/rtp.go

@@ -55,6 +55,14 @@ func RTPDepay(codec *core.Codec, handler core.HandlerFunc) core.HandlerFunc {
 			case 1: // end
 				buf = append(buf, data[3:]...)
 				binary.BigEndian.PutUint32(buf[nuStart:], uint32(len(buf)-nuStart-4))
+			case 3: // wrong RFC 7798 realisation from OpenIPC project
+				// A non-fragmented NAL unit MUST NOT be transmitted in one FU; i.e.,
+				// the Start bit and End bit must not both be set to 1 in the same FU
+				// header.
+				nuType = data[2] & 0x3F
+				buf = binary.BigEndian.AppendUint32(buf, uint32(len(data))-1) // NAL unit size
+				buf = append(buf, (data[0]&0x81)|(nuType<<1), data[1])
+				buf = append(buf, data[3:]...)
 			}
 		} else {
 			nuStart = len(buf)

pkg/hap/README.md

@@ -50,4 +50,5 @@ Requires ffmpeg built with `--enable-libfdk-aac`
 - [Extracting HomeKit Pairing Keys](https://pvieito.com/2019/12/extract-homekit-pairing-keys)
 - [HAP in AirPlay2 receiver](https://github.com/openairplay/airplay2-receiver/blob/master/ap2/pairing/hap.py)
 - [HomeKit Secure Video Unofficial Specification](https://github.com/Supereg/secure-video-specification)
-- [Homebridge Camera FFmpeg](https://sunoo.github.io/homebridge-camera-ffmpeg/configs/)
+- [Homebridge Camera FFmpeg](https://sunoo.github.io/homebridge-camera-ffmpeg/configs/)
+- https://github.com/ljezny/Particle-HAP/blob/master/HAP-Specification-Non-Commercial-Version.pdf

pkg/hap/accessory.go

@@ -93,6 +93,8 @@ func (a *Accessory) GetCharacterByID(iid uint64) *Character {
 }
 
 type Service struct {
+	Desc string `json:"description,omitempty"`
+
 	Type       string       `json:"type"`
 	IID        uint64       `json:"iid"`
 	Primary    bool         `json:"primary,omitempty"`

pkg/hap/character.go

@@ -13,13 +13,14 @@ import (
 // Value should be omit for PW
 // Value may be empty for PR
 type Character struct {
+	Desc string `json:"description,omitempty"`
+
 	IID    uint64   `json:"iid"`
 	Type   string   `json:"type"`
 	Format string   `json:"format"`
 	Value  any      `json:"value,omitempty"`
 	Perms  []string `json:"perms"`
 
-	//Descr    string `json:"description,omitempty"`
 	//MaxLen   int    `json:"maxLen,omitempty"`
 	//Unit     string `json:"unit,omitempty"`
 	//MinValue any    `json:"minValue,omitempty"`

pkg/hap/client.go

@@ -41,6 +41,9 @@ type Client struct {
 
 	Conn   net.Conn
 	reader *bufio.Reader
+
+	res chan *http.Response
+	err error
 }
 
 func NewClient(rawURL string) (*Client, error) {
@@ -80,6 +83,10 @@ func (c *Client) DeviceHost() string {
 }
 
 func (c *Client) Dial() (err error) {
+	if len(c.ClientID) == 0 || len(c.ClientPrivate) == 0 {
+		return errors.New("hap: can't dial witout client_id or client_private")
+	}
+
 	// update device address (host and/or port) before dial
 	_ = mdns.QueryOrDiscovery(c.DeviceHost(), mdns.ServiceHAP, func(entry *mdns.ServiceEntry) bool {
 		if entry.Complete() && entry.Info["id"] == c.DeviceID {
@@ -214,7 +221,7 @@ func (c *Client) Dial() (err error) {
 		return
 	}
 	// new reader for new conn
-	c.reader = bufio.NewReaderSize(c.Conn, 32*1024) // 32K like default request body
+	c.reader = bufio.NewReader(c.Conn)
 
 	return
 }
@@ -223,9 +230,33 @@ func (c *Client) Close() error {
 	if c.Conn == nil {
 		return nil
 	}
-	conn := c.Conn
-	c.Conn = nil
-	return conn.Close()
+	return c.Conn.Close()
+}
+
+func (c *Client) eventsReader() {
+	c.res = make(chan *http.Response)
+
+	for {
+		var res *http.Response
+		if res, c.err = ReadResponse(c.reader, nil); c.err != nil {
+			break
+		}
+
+		var body []byte
+		if body, c.err = io.ReadAll(res.Body); c.err != nil {
+			break
+		}
+
+		res.Body = io.NopCloser(bytes.NewReader(body))
+
+		if res.Proto != ProtoEvent {
+			c.res <- res
+		} else if c.OnEvent != nil {
+			c.OnEvent(res)
+		}
+	}
+
+	close(c.res)
 }
 
 func (c *Client) GetAccessories() ([]*Accessory, error) {

pkg/hap/client_http.go

@@ -1,6 +1,7 @@
 package hap
 
 import (
+	"bufio"
 	"errors"
 	"io"
 	"net/http"
@@ -22,6 +23,9 @@ func (c *Client) Do(req *http.Request) (*http.Response, error) {
 	if err := req.Write(c.Conn); err != nil {
 		return nil, err
 	}
+	if c.res != nil {
+		return <-c.res, c.err
+	}
 	return http.ReadResponse(c.reader, req)
 }
 
@@ -54,3 +58,27 @@ func (c *Client) Post(path, contentType string, body io.Reader) (*http.Response,
 func (c *Client) Put(path, contentType string, body io.Reader) (*http.Response, error) {
 	return c.Request("PUT", path, contentType, body)
 }
+
+const ProtoEvent = "EVENT/1.0"
+
+func ReadResponse(r *bufio.Reader, req *http.Request) (*http.Response, error) {
+	b, err := r.Peek(9)
+	if err != nil {
+		return nil, err
+	}
+
+	if string(b) != ProtoEvent {
+		return http.ReadResponse(r, req)
+	}
+
+	copy(b, "HTTP/1.1 ")
+
+	res, err := http.ReadResponse(r, req)
+	if err != nil {
+		return nil, err
+	}
+
+	res.Proto = ProtoEvent
+
+	return res, nil
+}

pkg/hap/event_reader.go

@@ -1,68 +0,0 @@
-package hap
-
-import (
-	"io"
-	"os"
-	"time"
-)
-
-type EventReader struct {
-	r    io.Reader
-	ch   chan []byte
-	err  error
-	left []byte
-}
-
-func NewEventReader(r io.Reader) *EventReader {
-	e := &EventReader{r: r, ch: make(chan []byte, 1)}
-	go e.background()
-	return e
-}
-
-func (e *EventReader) background() {
-	b := make([]byte, 32*1024)
-	for {
-		n, err := e.r.Read(b)
-		if err != nil {
-			e.err = err
-			return
-		}
-
-		if n >= 6 && string(b[:6]) == "EVENT " {
-			panic("TODO")
-		}
-
-		// copy because will be overwriten
-		buf := make([]byte, n)
-		copy(buf, b)
-		e.ch <- buf
-	}
-}
-
-func (e *EventReader) Read(p []byte) (n int, err error) {
-	if e.err != nil {
-		return 0, e.err
-	}
-
-	// if something left after previous reading
-	if e.left != nil {
-		// if still something left
-		if n = copy(p, e.left); n < len(e.left) {
-			e.left = e.left[n:]
-		} else {
-			e.left = nil
-		}
-		return
-	}
-
-	select {
-	case <-time.After(time.Second * 5):
-		return 0, os.ErrDeadlineExceeded
-	case b := <-e.ch:
-		if n = copy(p, b); n < len(b) {
-			e.left = b[n:]
-		}
-	}
-
-	return
-}

pkg/hap/helpers.go

@@ -66,7 +66,8 @@ type JSONCharacters struct {
 type JSONCharacter struct {
 	AID   uint8  `json:"aid"`
 	IID   uint64 `json:"iid"`
-	Value any    `json:"value"`
+	Value any    `json:"value,omitempty"`
+	Event any    `json:"ev,omitempty"`
 }
 
 func SanitizePin(pin string) (string, error) {

pkg/hap/secure/secure.go

@@ -1,7 +1,9 @@
 package secure
 
 import (
+	"bufio"
 	"encoding/binary"
+	"errors"
 	"io"
 	"net"
 	"sync"
@@ -14,6 +16,9 @@ import (
 type Conn struct {
 	conn net.Conn
 
+	rd *bufio.Reader
+	wr *bufio.Writer
+
 	encryptKey []byte
 	decryptKey []byte
 	encryptCnt uint64
@@ -33,11 +38,19 @@ func Client(conn net.Conn, sharedKey []byte, isClient bool) (net.Conn, error) {
 		return nil, err
 	}
 
-	if isClient {
-		return &Conn{conn: conn, encryptKey: key2, decryptKey: key1}, nil
-	} else {
-		return &Conn{conn: conn, encryptKey: key1, decryptKey: key2}, nil
+	c := &Conn{
+		conn: conn,
+		rd:   bufio.NewReaderSize(conn, 32*1024),
+		wr:   bufio.NewWriterSize(conn, 32*1024),
 	}
+
+	if isClient {
+		c.encryptKey, c.decryptKey = key2, key1
+	} else {
+		c.encryptKey, c.decryptKey = key1, key2
+	}
+
+	return c, nil
 }
 
 const (
@@ -50,84 +63,63 @@ const (
 )
 
 func (c *Conn) Read(b []byte) (n int, err error) {
-	verify := make([]byte, VerifySize) // = packet length
-	buf := make([]byte, PacketSizeMax+Overhead)
-	nonce := make([]byte, NonceSize)
-
-	for {
-		if len(b) < PacketSizeMax {
-			return
-		}
-
-		if _, err = io.ReadFull(c.conn, verify); err != nil {
-			return
-		}
-
-		size := binary.LittleEndian.Uint16(verify)
-		ciphertext := buf[:size+Overhead]
-
-		if _, err = io.ReadFull(c.conn, ciphertext); err != nil {
-			return
-		}
-
-		binary.LittleEndian.PutUint64(nonce, c.decryptCnt)
-		c.decryptCnt++
-
-		// put decrypted text to b's end
-		_, err = chacha20poly1305.DecryptAndVerify(c.decryptKey, b[:0], nonce, ciphertext, verify)
-		if err != nil {
-			return
-		}
-
-		n += int(size) // plaintext size
-
-		// Finish when all bytes fit in b
-		if size < PacketSizeMax {
-			return
-		}
-
-		b = b[size:]
+	if cap(b) < PacketSizeMax {
+		return 0, errors.New("hap: read buffer is too small")
 	}
+
+	verify := make([]byte, 2) // verify = plain message size
+	if _, err = io.ReadFull(c.rd, verify); err != nil {
+		return
+	}
+
+	n = int(binary.LittleEndian.Uint16(verify))
+	ciphertext := make([]byte, n+Overhead)
+
+	if _, err = io.ReadFull(c.rd, ciphertext); err != nil {
+		return
+	}
+
+	nonce := make([]byte, NonceSize)
+	binary.LittleEndian.PutUint64(nonce, c.decryptCnt)
+	c.decryptCnt++
+
+	_, err = chacha20poly1305.DecryptAndVerify(c.decryptKey, b[:0], nonce, ciphertext, verify)
+	return
 }
 
 func (c *Conn) Write(b []byte) (n int, err error) {
-	c.mx.Lock()
-	defer c.mx.Unlock()
-
+	buf := make([]byte, 0, PacketSizeMax+Overhead)
 	nonce := make([]byte, NonceSize)
-	buf := make([]byte, NonceSize+PacketSizeMax+Overhead)
-	verify := buf[:VerifySize] // part of write buffer
+	verify := make([]byte, VerifySize)
 
-	for {
+	for len(b) > 0 {
 		size := len(b)
 		if size > PacketSizeMax {
 			size = PacketSizeMax
 		}
 
 		binary.LittleEndian.PutUint16(verify, uint16(size))
+		if _, err = c.wr.Write(verify); err != nil {
+			return
+		}
 
 		binary.LittleEndian.PutUint64(nonce, c.encryptCnt)
 		c.encryptCnt++
 
-		// put encrypted text to writing buffer just after size (2 bytes)
-		_, err = chacha20poly1305.EncryptAndSeal(c.encryptKey, buf[2:2], nonce, b[:size], verify)
+		_, err = chacha20poly1305.EncryptAndSeal(c.encryptKey, buf, nonce, b[:size], verify)
 		if err != nil {
 			return
 		}
 
-		if _, err = c.conn.Write(buf[:VerifySize+size+Overhead]); err != nil {
+		if _, err = c.wr.Write(buf[:size+Overhead]); err != nil {
 			return
 		}
 
-		n += size // plaintext size
-
-		if size < PacketSizeMax {
-			break
-		}
-
-		b = b[PacketSizeMax:]
+		b = b[size:]
+		n += size
 	}
 
+	err = c.wr.Flush()
 	return
 }
 

pkg/hap/server.go

@@ -146,7 +146,7 @@ func (s *Server) PairVerify(req *http.Request, rw *bufio.ReadWriter, conn net.Co
 
 	clientPublic := s.GetPair(conn, plainM3.Identifier)
 	if clientPublic == nil {
-		return fmt.Errorf("hap: PairVerify from: %s, with unknown client_id: %s", plainM3.Identifier)
+		return fmt.Errorf("hap: PairVerify from: %s, with unknown client_id: %s", conn.RemoteAddr(), plainM3.Identifier)
 	}
 
 	b = Append(plainM1.PublicKey, plainM3.Identifier, sessionPublic)

pkg/hass/client.go

@@ -2,10 +2,11 @@ package hass
 
 import (
 	"errors"
+	"net/url"
+
 	"github.com/AlexxIT/go2rtc/pkg/core"
 	"github.com/AlexxIT/go2rtc/pkg/webrtc"
 	pion "github.com/pion/webrtc/v3"
-	"net/url"
 )
 
 type Client struct {
@@ -48,7 +49,7 @@ func NewClient(rawURL string) (*Client, error) {
 	defer hassAPI.Close()
 
 	// 2. Create WebRTC client
-	rtcAPI, err := webrtc.NewAPI("")
+	rtcAPI, err := webrtc.NewAPI()
 	if err != nil {
 		return nil, err
 	}

pkg/homekit/consumer.go

@@ -10,6 +10,7 @@ import (
 	"github.com/AlexxIT/go2rtc/pkg/core"
 	"github.com/AlexxIT/go2rtc/pkg/h264"
 	"github.com/AlexxIT/go2rtc/pkg/hap/camera"
+	"github.com/AlexxIT/go2rtc/pkg/opus"
 	"github.com/AlexxIT/go2rtc/pkg/srtp"
 	"github.com/pion/rtp"
 )
@@ -24,6 +25,7 @@ type Consumer struct {
 	sessionID    string
 	videoSession *srtp.Session
 	audioSession *srtp.Session
+	audioRTPTime byte
 }
 
 func NewConsumer(conn net.Conn, server *srtp.Server) *Consumer {
@@ -113,6 +115,7 @@ func (c *Consumer) SetConfig(conf *camera.SelectedStreamConfig) bool {
 	c.audioSession.Remote.SSRC = conf.AudioCodec.RTPParams[0].SSRC
 	c.audioSession.PayloadType = conf.AudioCodec.RTPParams[0].PayloadType
 	c.audioSession.RTCPInterval = toDuration(conf.AudioCodec.RTPParams[0].RTCPInterval)
+	c.audioRTPTime = conf.AudioCodec.CodecParams[0].RTPTime[0]
 
 	c.srtp.AddSession(c.videoSession)
 	c.srtp.AddSession(c.audioSession)
@@ -155,6 +158,8 @@ func (c *Consumer) AddTrack(media *core.Media, codec *core.Codec, track *core.Re
 		} else {
 			sender.Handler = h264.RepairAVCC(track.Codec, sender.Handler)
 		}
+	case core.CodecOpus:
+		sender.Handler = opus.RepackToHAP(c.audioRTPTime, sender.Handler)
 	}
 
 	sender.HandleRTP(track)

pkg/homekit/helpers.go

@@ -2,6 +2,7 @@ package homekit
 
 import (
 	"encoding/hex"
+	"slices"
 
 	"github.com/AlexxIT/go2rtc/pkg/aac"
 	"github.com/AlexxIT/go2rtc/pkg/core"
@@ -20,17 +21,16 @@ func videoToMedia(codecs []camera.VideoCodec) *core.Media {
 
 	for _, codec := range codecs {
 		for _, param := range codec.CodecParams {
-			for _, profileID := range param.ProfileID {
-				for _, level := range param.Level {
-					profile := videoProfiles[profileID] + videoLevels[level]
-					mediaCodec := &core.Codec{
-						Name:      videoCodecs[codec.CodecType],
-						ClockRate: 90000,
-						FmtpLine:  "profile-level-id=" + profile,
-					}
-					media.Codecs = append(media.Codecs, mediaCodec)
-				}
+			// get best profile and level
+			profileID := slices.Max(param.ProfileID)
+			level := slices.Max(param.Level)
+			profile := videoProfiles[profileID] + videoLevels[level]
+			mediaCodec := &core.Codec{
+				Name:      videoCodecs[codec.CodecType],
+				ClockRate: 90000,
+				FmtpLine:  "profile-level-id=" + profile,
 			}
+			media.Codecs = append(media.Codecs, mediaCodec)
 		}
 	}
 
@@ -55,7 +55,7 @@ func audioToMedia(codecs []camera.AudioCodec) *core.Media {
 				}
 
 				if mediaCodec.Name == core.CodecELD {
-					// onli this version works with FFmpeg
+					// only this version works with FFmpeg
 					conf := aac.EncodeConfig(aac.TypeAACELD, 24000, 1, true)
 					mediaCodec.FmtpLine = aac.FMTP + hex.EncodeToString(conf)
 				}
@@ -71,6 +71,7 @@ func audioToMedia(codecs []camera.AudioCodec) *core.Media {
 func trackToVideo(track *core.Receiver, video0 *camera.VideoCodec) *camera.VideoCodec {
 	profileID := video0.CodecParams[0].ProfileID[0]
 	level := video0.CodecParams[0].Level[0]
+	attrs := video0.VideoAttrs[0]
 
 	if track != nil {
 		profile := h264.GetProfileLevelID(track.Codec.FmtpLine)
@@ -88,6 +89,12 @@ func trackToVideo(track *core.Receiver, video0 *camera.VideoCodec) *camera.Video
 				break
 			}
 		}
+
+		for _, s := range video0.VideoAttrs {
+			if s.Width > attrs.Width || s.Height > attrs.Height {
+				attrs = s
+			}
+		}
 	}
 
 	return &camera.VideoCodec{
@@ -98,9 +105,7 @@ func trackToVideo(track *core.Receiver, video0 *camera.VideoCodec) *camera.Video
 				Level:     []byte{level},
 			},
 		},
-		VideoAttrs: []camera.VideoAttrs{
-			{Width: 1920, Height: 1080, Framerate: 30},
-		},
+		VideoAttrs: []camera.VideoAttrs{attrs},
 	}
 }
 

pkg/homekit/proxy.go

@@ -55,11 +55,8 @@ func proxy(r, w net.Conn, pair ServerPair) error {
 			continue
 		}
 
-		//if n > 512 {
-		//	log.Printf("[hap] %d bytes => %s\n%s...", n, w.RemoteAddr(), b[:512])
-		//} else {
-		//	log.Printf("[hap] %d bytes => %s\n%s", n, w.RemoteAddr(), b[:n])
-		//}
+		//log.Printf("[hap] %d bytes => %s\n%.512s", n, w.RemoteAddr(), b[:n])
+
 		if _, err = w.Write(b[:n]); err != nil {
 			break
 		}

pkg/magic/bitstream/producer.go

@@ -64,20 +64,24 @@ func (c *Producer) Start() error {
 
 		buf = append(buf, b[:n]...)
 
-		i := annexb.IndexFrame(buf)
-		if i < 0 {
-			continue
+		for {
+			i := annexb.IndexFrame(buf)
+			if i < 0 {
+				break
+			}
+
+			if len(c.Receivers) > 0 {
+				pkt := &rtp.Packet{
+					Header:  rtp.Header{Timestamp: core.Now90000()},
+					Payload: annexb.EncodeToAVCC(buf[:i], true),
+				}
+				c.Receivers[0].WriteRTP(pkt)
+
+				//log.Printf("[AVC] %v, len: %d", h264.Types(pkt.Payload), len(pkt.Payload))
+			}
+
+			buf = buf[i:]
 		}
-
-		pkt := &rtp.Packet{
-			Header:  rtp.Header{Timestamp: core.Now90000()},
-			Payload: annexb.EncodeToAVCC(buf[:i], true),
-		}
-		c.Receivers[0].WriteRTP(pkt)
-
-		//log.Printf("[AVC] %v, len: %d", h264.Types(pkt.Payload), len(pkt.Payload))
-
-		buf = buf[i:]
 	}
 }
 

pkg/magic/keyframe.go

@@ -52,6 +52,8 @@ func (k *Keyframe) AddTrack(media *core.Media, _ *core.Codec, track *core.Receiv
 
 		if track.Codec.IsRTP() {
 			sender.Handler = h264.RTPDepay(track.Codec, sender.Handler)
+		} else {
+			sender.Handler = h264.RepairAVCC(track.Codec, sender.Handler)
 		}
 
 	case core.CodecH265:
@@ -66,9 +68,7 @@ func (k *Keyframe) AddTrack(media *core.Media, _ *core.Codec, track *core.Receiv
 		}
 
 		if track.Codec.IsRTP() {
-			sender.Handler = h264.RTPDepay(track.Codec, sender.Handler)
-		} else {
-			sender.Handler = h264.RepairAVCC(track.Codec, sender.Handler)
+			sender.Handler = h265.RTPDepay(track.Codec, sender.Handler)
 		}
 
 	case core.CodecJPEG:

pkg/magic/producer.go

@@ -6,6 +6,7 @@ import (
 	"errors"
 	"io"
 
+	"github.com/AlexxIT/go2rtc/pkg/aac"
 	"github.com/AlexxIT/go2rtc/pkg/core"
 	"github.com/AlexxIT/go2rtc/pkg/flv"
 	"github.com/AlexxIT/go2rtc/pkg/h264/annexb"
@@ -33,6 +34,9 @@ func Open(r io.Reader) (core.Producer, error) {
 	case bytes.HasPrefix(b, []byte(flv.Signature)):
 		return flv.Open(rd)
 
+	case bytes.HasPrefix(b, []byte{0xFF, 0xF1}):
+		return aac.Open(rd)
+
 	case bytes.HasPrefix(b, []byte("--")):
 		return multipart.Open(rd)
 
@@ -40,5 +44,16 @@ func Open(r io.Reader) (core.Producer, error) {
 		return mpegts.Open(rd)
 	}
 
-	return nil, errors.New("magic: unsupported header: " + hex.EncodeToString(b))
+	// support MJPEG with trash on start
+	// https://github.com/AlexxIT/go2rtc/issues/747
+	if b, err = rd.Peek(4096); err != nil {
+		return nil, err
+	}
+
+	if i := bytes.Index(b, []byte{0xFF, 0xD8, 0xFF, 0xDB}); i > 0 {
+		_, _ = io.ReadFull(rd, make([]byte, i))
+		return mjpeg.Open(rd)
+	}
+
+	return nil, errors.New("magic: unsupported header: " + hex.EncodeToString(b[:4]))
 }

pkg/mdns/client.go

@@ -219,7 +219,7 @@ func (b *Browser) ListenMulticastUDP() error {
 		},
 	}
 
-	b.Recv, err = lc2.ListenPacket(ctx, "udp4", "0.0.0.0:5353")
+	b.Recv, err = lc2.ListenPacket(ctx, "udp4", ":5353")
 
 	return err
 }

pkg/mdns/syscall_darwin.go

@@ -0,0 +1,24 @@
+package mdns
+
+import (
+	"syscall"
+)
+
+func SetsockoptInt(fd uintptr, level, opt int, value int) (err error) {
+	// change SO_REUSEADDR and REUSEPORT flags simultaneously for BSD-like OS
+	// https://github.com/AlexxIT/go2rtc/issues/626
+	// https://stackoverflow.com/questions/14388706/how-do-so-reuseaddr-and-so-reuseport-differ/14388707
+	if opt == syscall.SO_REUSEADDR {
+		if err = syscall.SetsockoptInt(int(fd), level, opt, value); err != nil {
+			return
+		}
+
+		opt = syscall.SO_REUSEPORT
+	}
+
+	return syscall.SetsockoptInt(int(fd), level, opt, value)
+}
+
+func SetsockoptIPMreq(fd uintptr, level, opt int, mreq *syscall.IPMreq) (err error) {
+	return syscall.SetsockoptIPMreq(int(fd), level, opt, mreq)
+}

pkg/mdns/syscall_linux.go

@@ -1,8 +1,8 @@
-//go:build darwin || linux
-
 package mdns
 
-import "syscall"
+import (
+	"syscall"
+)
 
 func SetsockoptInt(fd uintptr, level, opt int, value int) (err error) {
 	return syscall.SetsockoptInt(int(fd), level, opt, value)

pkg/mp4/consumer.go

@@ -106,6 +106,8 @@ func (c *Consumer) AddTrack(media *core.Media, _ *core.Codec, track *core.Receiv
 
 		if track.Codec.IsRTP() {
 			handler.Handler = h265.RTPDepay(track.Codec, handler.Handler)
+		} else {
+			handler.Handler = h265.RepairAVCC(track.Codec, handler.Handler)
 		}
 
 	default:

pkg/mp4/muxer.go

@@ -2,7 +2,6 @@ package mp4
 
 import (
 	"encoding/hex"
-	"errors"
 
 	"github.com/AlexxIT/go2rtc/pkg/core"
 	"github.com/AlexxIT/go2rtc/pkg/h264"
@@ -43,13 +42,17 @@ func (m *Muxer) GetInit() ([]byte, error) {
 				pps = []byte{0x68, 0xce, 0x38, 0x80}
 			}
 
-			s := h264.DecodeSPS(sps)
-			if s == nil {
-				return nil, errors.New("mp4: can't parse SPS")
+			var width, height uint16
+			if s := h264.DecodeSPS(sps); s != nil {
+				width = s.Width()
+				height = s.Height()
+			} else {
+				width = 1920
+				height = 1080
 			}
 
 			mv.WriteVideoTrack(
-				uint32(i+1), codec.Name, codec.ClockRate, s.Width(), s.Height(), h264.EncodeConfig(sps, pps),
+				uint32(i+1), codec.Name, codec.ClockRate, width, height, h264.EncodeConfig(sps, pps),
 			)
 
 		case core.CodecH265:
@@ -65,13 +68,17 @@ func (m *Muxer) GetInit() ([]byte, error) {
 				pps = []byte{0x44, 0x01, 0xc0, 0x73, 0xc0, 0x4c, 0x90}
 			}
 
-			s := h265.DecodeSPS(sps)
-			if s == nil {
-				return nil, errors.New("mp4: can't parse SPS")
+			var width, height uint16
+			if s := h265.DecodeSPS(sps); s != nil {
+				width = s.Width()
+				height = s.Height()
+			} else {
+				width = 1920
+				height = 1080
 			}
 
 			mv.WriteVideoTrack(
-				uint32(i+1), codec.Name, codec.ClockRate, s.Width(), s.Height(), h265.EncodeConfig(vps, sps, pps),
+				uint32(i+1), codec.Name, codec.ClockRate, width, height, h265.EncodeConfig(vps, sps, pps),
 			)
 
 		case core.CodecAAC:

pkg/mpegts/demuxer.go

@@ -1,6 +1,7 @@
 package mpegts
 
 import (
+	"bytes"
 	"errors"
 	"io"
 
@@ -98,6 +99,11 @@ func (d *Demuxer) skip(i byte) {
 	d.pos += i
 }
 
+func (d *Demuxer) readBytes(i byte) []byte {
+	d.pos += i
+	return d.buf[d.pos-i : d.pos]
+}
+
 func (d *Demuxer) readPSIHeader() {
 	// https://en.wikipedia.org/wiki/Program-specific_information#Table_Sections
 	pointer := d.readByte() // Pointer field
@@ -159,7 +165,11 @@ func (d *Demuxer) readPMT() {
 		_ = d.readBits(4)          // Reserved bits
 		_ = d.readBits(2)          // ES Info length unused bits
 		size = d.readBits(10)      // ES Info length
-		d.skip(byte(size))
+		info := d.readBytes(byte(size))
+
+		if streamType == StreamTypePrivate && bytes.HasPrefix(info, opusInfo) {
+			streamType = StreamTypePrivateOPUS
+		}
 
 		d.pes[pid] = &PES{StreamType: streamType}
 	}
@@ -175,7 +185,7 @@ func (d *Demuxer) readPES(pid uint16, start bool) *rtp.Packet {
 
 	// if new payload beging
 	if start {
-		if pes.Payload != nil {
+		if len(pes.Payload) != 0 {
 			d.pos = skipRead
 			return pes.GetPacket() // finish previous packet
 		}
@@ -314,12 +324,13 @@ const (
 
 // https://en.wikipedia.org/wiki/Program-specific_information#Elementary_stream_types
 const (
-	StreamTypeMetadata = 0    // Reserved
-	StreamTypePrivate  = 0x06 // PCMU or PCMA or FLAC from FFmpeg
-	StreamTypeAAC      = 0x0F
-	StreamTypeH264     = 0x1B
-	StreamTypeH265     = 0x24
-	StreamTypePCMATapo = 0x90
+	StreamTypeMetadata    = 0    // Reserved
+	StreamTypePrivate     = 0x06 // PCMU or PCMA or FLAC from FFmpeg
+	StreamTypeAAC         = 0x0F
+	StreamTypeH264        = 0x1B
+	StreamTypeH265        = 0x24
+	StreamTypePCMATapo    = 0x90
+	StreamTypePrivateOPUS = 0xEB
 )
 
 // PES - Packetized Elementary Stream
@@ -397,6 +408,23 @@ func (p *PES) GetPacket() (pkt *rtp.Packet) {
 		}
 
 		//p.Timestamp += uint32(len(p.Payload)) // update next timestamp!
+
+	case StreamTypePrivateOPUS:
+		p.Sequence++
+
+		pkt = &rtp.Packet{
+			Header: rtp.Header{
+				Version:        2,
+				Marker:         true,
+				PayloadType:    p.StreamType,
+				SequenceNumber: p.Sequence,
+				Timestamp:      p.PTS,
+			},
+		}
+
+		pkt.Payload, p.Payload = CutOPUSPacket(p.Payload)
+		p.PTS += opusDT
+		return
 	}
 
 	p.Payload = nil

pkg/mpegts/opus.go

@@ -0,0 +1,66 @@
+package mpegts
+
+import (
+	"github.com/AlexxIT/go2rtc/pkg/bits"
+)
+
+// opusDT - each AU from FFmpeg has 5 OPUS packets. Each packet len = 960 in the 48000 clock.
+const opusDT = 960 * ClockRate / 48000
+
+// https://opus-codec.org/docs/
+var opusInfo = []byte{ // registration_descriptor
+	0x05,               // descriptor_tag
+	0x04,               // descriptor_length
+	'O', 'p', 'u', 's', // format_identifier
+}
+
+//goland:noinspection GoSnakeCaseUsage
+func CutOPUSPacket(b []byte) (packet []byte, left []byte) {
+	r := bits.NewReader(b)
+
+	size := opus_control_header(r)
+	if size == 0 {
+		return nil, nil
+	}
+
+	packet = r.ReadBytes(size)
+	left = r.Left()
+	return
+}
+
+//goland:noinspection GoSnakeCaseUsage
+func opus_control_header(r *bits.Reader) int {
+	control_header_prefix := r.ReadBits(11)
+	if control_header_prefix != 0x3FF {
+		return 0
+	}
+
+	start_trim_flag := r.ReadBit()
+	end_trim_flag := r.ReadBit()
+	control_extension_flag := r.ReadBit()
+	_ = r.ReadBits(2) // reserved
+
+	var payload_size int
+	for {
+		i := r.ReadByte()
+		payload_size += int(i)
+		if i < 255 {
+			break
+		}
+	}
+
+	if start_trim_flag != 0 {
+		_ = r.ReadBits(3)
+		_ = r.ReadBits(13)
+	}
+	if end_trim_flag != 0 {
+		_ = r.ReadBits(3)
+		_ = r.ReadBits(13)
+	}
+	if control_extension_flag != 0 {
+		control_extension_length := r.ReadByte()
+		_ = r.ReadBytes(int(control_extension_length)) // reserved
+	}
+
+	return payload_size
+}

pkg/mpegts/producer.go

@@ -87,7 +87,7 @@ func (c *Producer) probe() error {
 		case StreamTypeMetadata:
 			for _, streamType := range pkt.Payload {
 				switch streamType {
-				case StreamTypeH264, StreamTypeH265, StreamTypeAAC:
+				case StreamTypeH264, StreamTypeH265, StreamTypeAAC, StreamTypePrivateOPUS:
 					waitType = append(waitType, streamType)
 				}
 			}
@@ -118,6 +118,19 @@ func (c *Producer) probe() error {
 				Codecs:    []*core.Codec{codec},
 			}
 			c.Medias = append(c.Medias, media)
+
+		case StreamTypePrivateOPUS:
+			codec := &core.Codec{
+				Name:      core.CodecOpus,
+				ClockRate: 48000,
+				Channels:  2,
+			}
+			media := &core.Media{
+				Kind:      core.KindAudio,
+				Direction: core.DirectionRecvonly,
+				Codecs:    []*core.Codec{codec},
+			}
+			c.Medias = append(c.Medias, media)
 		}
 	}
 
@@ -134,6 +147,8 @@ func StreamType(codec *core.Codec) uint8 {
 		return StreamTypeAAC
 	case core.CodecPCMA:
 		return StreamTypePCMATapo
+	case core.CodecOpus:
+		return StreamTypePrivateOPUS
 	}
 	return 0
 }

pkg/nest/client.go

@@ -2,10 +2,11 @@ package nest
 
 import (
 	"errors"
+	"net/url"
+
 	"github.com/AlexxIT/go2rtc/pkg/core"
 	"github.com/AlexxIT/go2rtc/pkg/webrtc"
 	pion "github.com/pion/webrtc/v3"
-	"net/url"
 )
 
 type Client struct {
@@ -34,7 +35,7 @@ func NewClient(rawURL string) (*Client, error) {
 		return nil, err
 	}
 
-	rtcAPI, err := webrtc.NewAPI("")
+	rtcAPI, err := webrtc.NewAPI()
 	if err != nil {
 		return nil, err
 	}

pkg/onvif/client.go

@@ -5,7 +5,6 @@ import (
 	"crypto/sha1"
 	"encoding/base64"
 	"errors"
-	"github.com/AlexxIT/go2rtc/pkg/core"
 	"html"
 	"io"
 	"net/http"
@@ -13,6 +12,8 @@ import (
 	"regexp"
 	"strings"
 	"time"
+
+	"github.com/AlexxIT/go2rtc/pkg/core"
 )
 
 const PathDevice = "/onvif/device_service"
@@ -78,10 +79,10 @@ func (c *Client) GetURI() (string, error) {
 		return "", err
 	}
 
-	uri := FindTagValue(b, "Uri")
-	uri = html.UnescapeString(uri)
+	rawURL := FindTagValue(b, "Uri")
+	rawURL = strings.TrimSpace(html.UnescapeString(rawURL))
 
-	u, err := url.Parse(uri)
+	u, err := url.Parse(rawURL)
 	if err != nil {
 		return "", err
 	}

pkg/onvif/helpers.go

@@ -1,16 +1,17 @@
 package onvif
 
 import (
-	"github.com/AlexxIT/go2rtc/pkg/core"
 	"net"
 	"regexp"
 	"strconv"
 	"strings"
 	"time"
+
+	"github.com/AlexxIT/go2rtc/pkg/core"
 )
 
 func FindTagValue(b []byte, tag string) string {
-	re := regexp.MustCompile(`<[^/>]*` + tag + `[^>]*>([^<]+)`)
+	re := regexp.MustCompile(`(?s)[:<]` + tag + `>([^<]+)`)
 	m := re.FindSubmatch(b)
 	if len(m) != 2 {
 		return ""

pkg/onvif/onvif_test.go

@@ -0,0 +1,199 @@
+package onvif
+
+import (
+	"html"
+	"net/url"
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestGetStreamUri(t *testing.T) {
+	tests := []struct {
+		name string
+		xml  string
+		url  string
+	}{
+		{
+			name: "Dahua stream default",
+			xml:  `<?xml version="1.0" encoding="utf-8" standalone="yes" ?><s:Envelope xmlns:sc="http://www.w3.org/2003/05/soap-encoding" xmlns:s="http://www.w3.org/2003/05/soap-envelope" xmlns:tt="http://www.onvif.org/ver10/schema" xmlns:trt="http://www.onvif.org/ver10/media/wsdl"><s:Header/><s:Body><trt:GetStreamUriResponse><trt:MediaUri><tt:Uri>rtsp://192.168.1.123:554/cam/realmonitor?channel=1&amp;subtype=1&amp;unicast=true&amp;proto=Onvif</tt:Uri><tt:InvalidAfterConnect>true</tt:InvalidAfterConnect><tt:InvalidAfterReboot>true</tt:InvalidAfterReboot><tt:Timeout>PT0S</tt:Timeout></trt:MediaUri></trt:GetStreamUriResponse></s:Body></s:Envelope>`,
+			url:  "rtsp://192.168.1.123:554/cam/realmonitor?channel=1&subtype=1&unicast=true&proto=Onvif",
+		},
+		{
+			name: "Dahua snapshot default",
+			xml:  `<?xml version="1.0" encoding="utf-8" standalone="yes" ?><s:Envelope xmlns:sc="http://www.w3.org/2003/05/soap-encoding" xmlns:s="http://www.w3.org/2003/05/soap-envelope" xmlns:tt="http://www.onvif.org/ver10/schema" xmlns:trt="http://www.onvif.org/ver10/media/wsdl"><s:Header/><s:Body><trt:GetSnapshotUriResponse><trt:MediaUri><tt:Uri>http://192.168.1.123/onvifsnapshot/media_service/snapshot?channel=1&amp;subtype=1</tt:Uri><tt:InvalidAfterConnect>false</tt:InvalidAfterConnect><tt:InvalidAfterReboot>false</tt:InvalidAfterReboot><tt:Timeout>PT0S</tt:Timeout></trt:MediaUri></trt:GetSnapshotUriResponse></s:Body></s:Envelope>`,
+			url:  "http://192.168.1.123/onvifsnapshot/media_service/snapshot?channel=1&subtype=1",
+		},
+		{
+			name: "Dahua stream formatted",
+			xml: `<?xml version="1.0" encoding="utf-8" standalone="yes"?>
+<s:Envelope xmlns:sc="http://www.w3.org/2003/05/soap-encoding"
+    xmlns:s="http://www.w3.org/2003/05/soap-envelope" xmlns:tt="http://www.onvif.org/ver10/schema"
+    xmlns:trt="http://www.onvif.org/ver10/media/wsdl">
+    <s:Header />
+    <s:Body>
+        <trt:GetStreamUriResponse>
+            <trt:MediaUri>
+                <tt:Uri>
+                    rtsp://192.168.1.123:554/cam/realmonitor?channel=1&amp;subtype=1&amp;unicast=true&amp;proto=Onvif</tt:Uri>
+                <tt:InvalidAfterConnect>true</tt:InvalidAfterConnect>
+                <tt:InvalidAfterReboot>true</tt:InvalidAfterReboot>
+                <tt:Timeout>PT0S</tt:Timeout>
+            </trt:MediaUri>
+        </trt:GetStreamUriResponse>
+    </s:Body>
+</s:Envelope>`,
+			url: "rtsp://192.168.1.123:554/cam/realmonitor?channel=1&subtype=1&unicast=true&proto=Onvif",
+		},
+		{
+			name: "Dahua snapshot formatted",
+			xml: `<?xml version="1.0" encoding="utf-8" standalone="yes"?>
+<s:Envelope xmlns:sc="http://www.w3.org/2003/05/soap-encoding"
+    xmlns:s="http://www.w3.org/2003/05/soap-envelope" xmlns:tt="http://www.onvif.org/ver10/schema"
+    xmlns:trt="http://www.onvif.org/ver10/media/wsdl">
+    <s:Header />
+    <s:Body>
+        <trt:GetSnapshotUriResponse>
+            <trt:MediaUri>
+                <tt:Uri>
+                    http://192.168.1.123/onvifsnapshot/media_service/snapshot?channel=1&amp;subtype=1</tt:Uri>
+                <tt:InvalidAfterConnect>false</tt:InvalidAfterConnect>
+                <tt:InvalidAfterReboot>false</tt:InvalidAfterReboot>
+                <tt:Timeout>PT0S</tt:Timeout>
+            </trt:MediaUri>
+        </trt:GetSnapshotUriResponse>
+    </s:Body>
+</s:Envelope>`,
+			url: "http://192.168.1.123/onvifsnapshot/media_service/snapshot?channel=1&subtype=1",
+		},
+		{
+			name: "Unknown",
+			xml: `<?xml version="1.0" encoding="UTF-8"?>
+<SOAP-ENV:Envelope ...>
+   <SOAP-ENV:Header></SOAP-ENV:Header>
+   <SOAP-ENV:Body>
+	   <MC1:GetStreamUriResponse>
+		   <MC1:MediaUri>
+			   <MC2:Uri>
+					rtsp://192.168.5.53:8090/profile1=r
+				</MC2:Uri>
+		   </MC1:MediaUri>
+	   </MC1:GetStreamUriResponse>
+   </SOAP-ENV:Body>
+</SOAP-ENV:Envelope>`,
+			url: "rtsp://192.168.5.53:8090/profile1=r",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			uri := FindTagValue([]byte(test.xml), "Uri")
+			uri = strings.TrimSpace(html.UnescapeString(uri))
+			u, err := url.Parse(uri)
+			require.Nil(t, err)
+			require.Equal(t, test.url, u.String())
+		})
+	}
+}
+
+func TestGetCapabilities(t *testing.T) {
+	tests := []struct {
+		name string
+		xml  string
+	}{
+		{
+			name: "Dahua default",
+			xml:  `<?xml version="1.0" encoding="utf-8" standalone="yes" ?><s:Envelope xmlns:sc="http://www.w3.org/2003/05/soap-encoding" xmlns:s="http://www.w3.org/2003/05/soap-envelope" xmlns:tt="http://www.onvif.org/ver10/schema" xmlns:tds="http://www.onvif.org/ver10/device/wsdl"><s:Header/><s:Body><tds:GetCapabilitiesResponse><tds:Capabilities><tt:Analytics><tt:XAddr>http://192.168.1.123/onvif/analytics_service</tt:XAddr><tt:RuleSupport>true</tt:RuleSupport><tt:AnalyticsModuleSupport>true</tt:AnalyticsModuleSupport></tt:Analytics><tt:Device><tt:XAddr>http://192.168.1.123/onvif/device_service</tt:XAddr><tt:Network><tt:IPFilter>false</tt:IPFilter><tt:ZeroConfiguration>false</tt:ZeroConfiguration><tt:IPVersion6>false</tt:IPVersion6><tt:DynDNS>false</tt:DynDNS><tt:Extension><tt:Dot11Configuration>false</tt:Dot11Configuration></tt:Extension></tt:Network><tt:System><tt:DiscoveryResolve>false</tt:DiscoveryResolve><tt:DiscoveryBye>true</tt:DiscoveryBye><tt:RemoteDiscovery>false</tt:RemoteDiscovery><tt:SystemBackup>false</tt:SystemBackup><tt:SystemLogging>true</tt:SystemLogging><tt:FirmwareUpgrade>true</tt:FirmwareUpgrade><tt:SupportedVersions><tt:Major>2</tt:Major><tt:Minor>00</tt:Minor></tt:SupportedVersions><tt:SupportedVersions><tt:Major>2</tt:Major><tt:Minor>10</tt:Minor></tt:SupportedVersions><tt:SupportedVersions><tt:Major>2</tt:Major><tt:Minor>20</tt:Minor></tt:SupportedVersions><tt:SupportedVersions><tt:Major>2</tt:Major><tt:Minor>30</tt:Minor></tt:SupportedVersions><tt:SupportedVersions><tt:Major>2</tt:Major><tt:Minor>40</tt:Minor></tt:SupportedVersions><tt:SupportedVersions><tt:Major>2</tt:Major><tt:Minor>42</tt:Minor></tt:SupportedVersions><tt:SupportedVersions><tt:Major>16</tt:Major><tt:Minor>12</tt:Minor></tt:SupportedVersions><tt:SupportedVersions><tt:Major>18</tt:Major><tt:Minor>06</tt:Minor></tt:SupportedVersions><tt:SupportedVersions><tt:Major>18</tt:Major><tt:Minor>12</tt:Minor></tt:SupportedVersions><tt:SupportedVersions><tt:Major>19</tt:Major><tt:Minor>06</tt:Minor></tt:SupportedVersions><tt:SupportedVersions><tt:Major>19</tt:Major><tt:Minor>12</tt:Minor></tt:SupportedVersions><tt:SupportedVersions><tt:Major>20</tt:Major><tt:Minor>06</tt:Minor></tt:SupportedVersions><tt:Extension><tt:HttpFirmwareUpgrade>true</tt:HttpFirmwareUpgrade><tt:HttpSystemBackup>false</tt:HttpSystemBackup><tt:HttpSystemLogging>false</tt:HttpSystemLogging><tt:HttpSupportInformation>false</tt:HttpSupportInformation></tt:Extension></tt:System><tt:IO><tt:InputConnectors>2</tt:InputConnectors><tt:RelayOutputs>1</tt:RelayOutputs><tt:Extension><tt:Auxiliary>false</tt:Auxiliary><tt:AuxiliaryCommands></tt:AuxiliaryCommands><tt:Extension></tt:Extension></tt:Extension></tt:IO><tt:Security><tt:TLS1.1>false</tt:TLS1.1><tt:TLS1.2>false</tt:TLS1.2><tt:OnboardKeyGeneration>false</tt:OnboardKeyGeneration><tt:AccessPolicyConfig>false</tt:AccessPolicyConfig><tt:X.509Token>false</tt:X.509Token><tt:SAMLToken>false</tt:SAMLToken><tt:KerberosToken>false</tt:KerberosToken><tt:RELToken>false</tt:RELToken><tt:Extension><tt:TLS1.0>false</tt:TLS1.0><tt:Extension><tt:Dot1X>false</tt:Dot1X><tt:SupportedEAPMethod>0</tt:SupportedEAPMethod><tt:RemoteUserHandling>false</tt:RemoteUserHandling></tt:Extension></tt:Extension></tt:Security></tt:Device><tt:Events><tt:XAddr>http://192.168.1.123/onvif/event_service</tt:XAddr><tt:WSSubscriptionPolicySupport>true</tt:WSSubscriptionPolicySupport><tt:WSPullPointSupport>true</tt:WSPullPointSupport><tt:WSPausableSubscriptionManagerInterfaceSupport>false</tt:WSPausableSubscriptionManagerInterfaceSupport></tt:Events><tt:Imaging><tt:XAddr>http://192.168.1.123/onvif/imaging_service</tt:XAddr></tt:Imaging><tt:Media><tt:XAddr>http://192.168.1.123/onvif/media_service</tt:XAddr><tt:StreamingCapabilities><tt:RTPMulticast>true</tt:RTPMulticast><tt:RTP_TCP>true</tt:RTP_TCP><tt:RTP_RTSP_TCP>true</tt:RTP_RTSP_TCP></tt:StreamingCapabilities><tt:Extension><tt:ProfileCapabilities><tt:MaximumNumberOfProfiles>6</tt:MaximumNumberOfProfiles></tt:ProfileCapabilities></tt:Extension></tt:Media><tt:Extension><tt:DeviceIO><tt:XAddr>http://192.168.1.123/onvif/deviceIO_service</tt:XAddr><tt:VideoSources>1</tt:VideoSources><tt:VideoOutputs>0</tt:VideoOutputs><tt:AudioSources>1</tt:AudioSources><tt:AudioOutputs>1</tt:AudioOutputs><tt:RelayOutputs>1</tt:RelayOutputs></tt:DeviceIO></tt:Extension></tds:Capabilities></tds:GetCapabilitiesResponse></s:Body></s:Envelope>`,
+		},
+		{
+			name: "Dahua formatted",
+			xml: `<?xml version="1.0" encoding="utf-8" standalone="yes"?>
+<s:Envelope xmlns:sc="http://www.w3.org/2003/05/soap-encoding"
+    xmlns:s="http://www.w3.org/2003/05/soap-envelope" xmlns:tt="http://www.onvif.org/ver10/schema"
+    xmlns:tds="http://www.onvif.org/ver10/device/wsdl">
+    <s:Header />
+    <s:Body>
+        <tds:GetCapabilitiesResponse>
+            <tds:Capabilities>
+                <tt:Analytics>
+                    <tt:XAddr>http://192.168.1.123/onvif/analytics_service</tt:XAddr>
+                    <tt:RuleSupport>true</tt:RuleSupport>
+                    <tt:AnalyticsModuleSupport>true</tt:AnalyticsModuleSupport>
+                </tt:Analytics>
+                <tt:Device>
+                    <tt:XAddr>http://192.168.1.123/onvif/device_service</tt:XAddr>
+                    <tt:Network>
+                        <tt:IPFilter>false</tt:IPFilter>
+                        <tt:ZeroConfiguration>false</tt:ZeroConfiguration>
+                        <tt:IPVersion6>false</tt:IPVersion6>
+                        <tt:DynDNS>false</tt:DynDNS>
+                        <tt:Extension>
+                            <tt:Dot11Configuration>false</tt:Dot11Configuration>
+                        </tt:Extension>
+                    </tt:Network>
+                    <tt:System>
+                        ...
+                    </tt:System>
+                    <tt:IO>
+                        <tt:InputConnectors>2</tt:InputConnectors>
+                        <tt:RelayOutputs>1</tt:RelayOutputs>
+                        <tt:Extension>
+                            <tt:Auxiliary>false</tt:Auxiliary>
+                            <tt:AuxiliaryCommands></tt:AuxiliaryCommands>
+                            <tt:Extension></tt:Extension>
+                        </tt:Extension>
+                    </tt:IO>
+                    <tt:Security>
+                        ...
+                    </tt:Security>
+                </tt:Device>
+                <tt:Events>
+                    <tt:XAddr>http://192.168.1.123/onvif/event_service</tt:XAddr>
+                    <tt:WSSubscriptionPolicySupport>true</tt:WSSubscriptionPolicySupport>
+                    <tt:WSPullPointSupport>true</tt:WSPullPointSupport>
+                    <tt:WSPausableSubscriptionManagerInterfaceSupport>false</tt:WSPausableSubscriptionManagerInterfaceSupport>
+                </tt:Events>
+                <tt:Imaging>
+                    <tt:XAddr>http://192.168.1.123/onvif/imaging_service</tt:XAddr>
+                </tt:Imaging>
+                <tt:Media>
+                    <tt:XAddr>http://192.168.1.123/onvif/media_service</tt:XAddr>
+                    <tt:StreamingCapabilities>
+                        <tt:RTPMulticast>true</tt:RTPMulticast>
+                        <tt:RTP_TCP>true</tt:RTP_TCP>
+                        <tt:RTP_RTSP_TCP>true</tt:RTP_RTSP_TCP>
+                    </tt:StreamingCapabilities>
+                    <tt:Extension>
+                        <tt:ProfileCapabilities>
+                            <tt:MaximumNumberOfProfiles>6</tt:MaximumNumberOfProfiles>
+                        </tt:ProfileCapabilities>
+                    </tt:Extension>
+                </tt:Media>
+                <tt:Extension>
+                    <tt:DeviceIO>
+                        <tt:XAddr>http://192.168.1.123/onvif/deviceIO_service</tt:XAddr>
+                        <tt:VideoSources>1</tt:VideoSources>
+                        <tt:VideoOutputs>0</tt:VideoOutputs>
+                        <tt:AudioSources>1</tt:AudioSources>
+                        <tt:AudioOutputs>1</tt:AudioOutputs>
+                        <tt:RelayOutputs>1</tt:RelayOutputs>
+                    </tt:DeviceIO>
+                </tt:Extension>
+            </tds:Capabilities>
+        </tds:GetCapabilitiesResponse>
+    </s:Body>
+</s:Envelope>`,
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			rawURL := FindTagValue([]byte(test.xml), "Media.+?XAddr")
+			require.Equal(t, "http://192.168.1.123/onvif/media_service", rawURL)
+
+			rawURL = FindTagValue([]byte(test.xml), "Imaging.+?XAddr")
+			require.Equal(t, "http://192.168.1.123/onvif/imaging_service", rawURL)
+		})
+	}
+}

pkg/opus/README.md

@@ -0,0 +1,5 @@
+## Useful links
+
+- [RFC 3550: RTP: A Transport Protocol for Real-Time Applications](https://datatracker.ietf.org/doc/html/rfc3550)
+- [RFC 6716: Definition of the Opus Audio Codec](https://datatracker.ietf.org/doc/html/rfc6716)
+- [RFC 7587: RTP Payload Format for the Opus Speech and Audio Codec](https://datatracker.ietf.org/doc/html/rfc7587)

pkg/opus/homekit.go

@@ -0,0 +1,96 @@
+package opus
+
+import (
+	"github.com/AlexxIT/go2rtc/pkg/core"
+	"github.com/pion/rtp"
+)
+
+// Some info about this magic:
+// - Apple has no respect for RFC 7587 standard and using RFC 3550 for RTP timestamps
+// - Apple can request packets with 20ms duration over LAN connection and 60ms over LTE
+// - FFmpeg produce packets with 20ms duration by default and only one frame per packet
+// - FFmpeg should use "-min_comp 0" option, so every packet will be same duration
+// - Apple doesn't care about real sample rate of track
+// - Apple only cares about proper timestamp based on REQUESTED sample rate
+
+// RepackToHAP - convert standart RTP packet with OPUS to HAP packet
+// We expect that:
+// - incoming packet will be 20ms duration and only one frame per packet
+// - outgouing packet will be 20ms or 60ms duration
+// - incoming sample rate will be any (but not very big if we needs 60ms packets for output)
+// - outgouing sample rate will be 16000
+// https://github.com/AlexxIT/go2rtc/issues/667
+func RepackToHAP(rtpTime byte, handler core.HandlerFunc) core.HandlerFunc {
+	switch rtpTime {
+	case 20:
+		return repackToHAP20(handler)
+	case 60:
+		return repackToHAP60(handler)
+	}
+	return handler
+}
+
+// we using only one sample rate in the pkg/hap/camera/accessory.go
+const (
+	timestamp20 = 16000 * 0.020
+	timestamp60 = 16000 * 0.060
+)
+
+// repackToHAP20 - just fix RTP timestamp from RFC 7587 to RFC 3550
+func repackToHAP20(handler core.HandlerFunc) core.HandlerFunc {
+	var timestamp uint32
+
+	return func(pkt *rtp.Packet) {
+		timestamp += timestamp20
+
+		clone := *pkt
+		clone.Timestamp = timestamp
+		handler(&clone)
+	}
+}
+
+// repackToHAP60 - collect 20ms frames to single 60ms packet
+// thanks to @civita idea https://github.com/AlexxIT/go2rtc/pull/843
+func repackToHAP60(handler core.HandlerFunc) core.HandlerFunc {
+	var sequence uint16
+	var timestamp uint32
+
+	var framesCount byte
+	var framesSize []byte
+	var framesData []byte
+
+	return func(pkt *rtp.Packet) {
+		framesData = append(framesData, pkt.Payload[1:]...)
+
+		if framesCount++; framesCount < 3 {
+			if frameSize := len(pkt.Payload) - 1; frameSize >= 252 {
+				b0 := 252 + byte(frameSize)&0b11
+				framesSize = append(framesSize, b0, byte(frameSize/4)-b0)
+			} else {
+				framesSize = append(framesSize, byte(frameSize))
+			}
+			return
+		}
+
+		toc := pkt.Payload[0]
+
+		payload := make([]byte, 2, 2+len(framesSize)+len(framesData))
+		payload[0] = toc | 0b11  // code 3 (multiple frames per packet)
+		payload[1] = 0b1000_0011 // VBR, no padding, 3 frames
+		payload = append(payload, framesSize...)
+		payload = append(payload, framesData...)
+
+		sequence++
+		timestamp += timestamp60
+
+		clone := *pkt
+		clone.Payload = payload
+		clone.SequenceNumber = sequence
+		clone.Timestamp = timestamp
+		handler(&clone)
+
+		framesCount = 0
+		framesSize = framesSize[:0]
+		framesData = framesData[:0]
+	}
+}

pkg/opus/opus.go

@@ -0,0 +1,69 @@
+package opus
+
+import (
+	"time"
+
+	"github.com/AlexxIT/go2rtc/pkg/core"
+	"github.com/pion/rtp"
+	"github.com/rs/zerolog/log"
+)
+
+func Log(handler core.HandlerFunc) core.HandlerFunc {
+	var ts uint32
+
+	return func(pkt *rtp.Packet) {
+		if ts == 0 {
+			ts = pkt.Timestamp
+		}
+
+		toc := pkt.Payload[0]
+		//config := toc >> 3
+		code := toc & 0b11
+
+		frame := parseFrameSize(toc)
+		rate := parseSampleRate(toc)
+
+		log.Printf(
+			"[RTP/OPUS] frame=%s rate=%5d code=%d size=%6d ts=%10d dt=%5d pt=%2d ssrc=%d seq=%d mark=%t",
+			frame, rate, code, len(pkt.Payload), pkt.Timestamp, pkt.Timestamp-ts, pkt.PayloadType, pkt.SSRC, pkt.SequenceNumber, pkt.Marker,
+		)
+
+		ts = pkt.Timestamp
+
+		handler(pkt)
+	}
+}
+
+func parseFrameSize(toc byte) time.Duration {
+	switch toc >> 3 {
+	case 0, 4, 8, 12, 14, 18, 22, 26, 30:
+		return 10_000_000
+	case 1, 5, 9, 13, 15, 19, 23, 27, 31:
+		return 20_000_000
+	case 2, 6, 10:
+		return 40_000_000
+	case 3, 7, 11:
+		return 60_000_000
+	case 16, 20, 24, 28:
+		return 2_500_000
+	case 17, 21, 25, 29:
+		return 5_000_000
+	}
+	return 0
+}
+
+func parseSampleRate(toc byte) uint16 {
+	switch toc >> 3 {
+	case 0, 1, 2, 3, 16, 17, 18, 19:
+		return 8000
+	case 4, 5, 6, 7:
+		return 12000
+	case 8, 9, 10, 11, 20, 21, 22, 23:
+		return 16000
+	case 12, 13, 24, 25, 26, 27:
+		return 24000
+	case 14, 15, 28, 29, 30, 31:
+		return 48000
+	}
+	return 0
+}

pkg/roborock/client.go

@@ -6,16 +6,17 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"github.com/AlexxIT/go2rtc/pkg/core"
-	"github.com/AlexxIT/go2rtc/pkg/roborock/iot"
-	"github.com/AlexxIT/go2rtc/pkg/webrtc"
-	pion "github.com/pion/webrtc/v3"
 	"log"
 	"net/rpc"
 	"net/url"
 	"strconv"
 	"sync"
 	"time"
+
+	"github.com/AlexxIT/go2rtc/pkg/core"
+	"github.com/AlexxIT/go2rtc/pkg/roborock/iot"
+	"github.com/AlexxIT/go2rtc/pkg/webrtc"
+	pion "github.com/pion/webrtc/v3"
 )
 
 type Client struct {
@@ -38,13 +39,15 @@ func NewClient(url string) *Client {
 	return &Client{url: url}
 }
 
-func (c *Client) Dial() (err error) {
+func (c *Client) Dial() error {
 	u, err := url.Parse(c.url)
 	if err != nil {
-		return
+		return err
 	}
 
-	c.iot, err = iot.Dial(c.url)
+	if c.iot, err = iot.Dial(c.url); err != nil {
+		return err
+	}
 
 	c.pin = u.Query().Get("pin")
 	if c.pin != "" {
@@ -87,7 +90,7 @@ func (c *Client) Connect() error {
 	}
 
 	// 4. Create Peer Connection
-	api, err := webrtc.NewAPI("")
+	api, err := webrtc.NewAPI()
 	if err != nil {
 		return err
 	}

pkg/rtmp/README.md

@@ -0,0 +1,19 @@
+## Logs
+
+```
+request  []interface {}{"connect", 1, map[string]interface {}{"app":"s", "flashVer":"FMLE/3.0 (compatible; FMSc/1.0)", "tcUrl":"rtmps://xxx.rtmp.t.me/s/xxxxx"}}
+response []interface {}{"_result", 1, map[string]interface {}{"capabilities":31, "fmsVer":"FMS/3,0,1,123"}, map[string]interface {}{"code":"NetConnection.Connect.Success", "description":"Connection succeeded.", "level":"status", "objectEncoding":0}}
+request  []interface {}{"releaseStream", 2, interface {}(nil), "xxxxx"}
+request  []interface {}{"FCPublish", 3, interface {}(nil), "xxxxx"}
+request  []interface {}{"createStream", 4, interface {}(nil)}
+response []interface {}{"_result", 2, interface {}(nil)}
+response []interface {}{"_result", 4, interface {}(nil), 1}
+request  []interface {}{"publish", 5, interface {}(nil), "xxxxx", "live"}
+response []interface {}{"onStatus", 0, interface {}(nil), map[string]interface {}{"code":"NetStream.Publish.Start", "description":"xxxxx is now published", "detail":"xxxxx", "level":"status"}}
+```
+
+## Useful links
+
+- https://en.wikipedia.org/wiki/Flash_Video
+- https://en.wikipedia.org/wiki/Real-Time_Messaging_Protocol
+- https://rtmp.veriskope.com/pdf/rtmp_specification_1.0.pdf

pkg/rtmp/client.go

@@ -0,0 +1,155 @@
+package rtmp
+
+import (
+	"bufio"
+	"io"
+	"net"
+	"net/url"
+	"strings"
+
+	"github.com/AlexxIT/go2rtc/pkg/core"
+	"github.com/AlexxIT/go2rtc/pkg/tcp"
+)
+
+func DialPlay(rawURL string) (core.Producer, error) {
+	u, err := url.Parse(rawURL)
+	if err != nil {
+		return nil, err
+	}
+
+	conn, err := tcp.Dial(u, core.ConnDialTimeout)
+	if err != nil {
+		return nil, err
+	}
+
+	rtmpConn, err := NewClient(conn, u)
+	if err != nil {
+		return nil, err
+	}
+
+	if err = rtmpConn.play(); err != nil {
+		return nil, err
+	}
+
+	return rtmpConn.Producer()
+}
+
+func DialPublish(rawURL string) (io.Writer, error) {
+	u, err := url.Parse(rawURL)
+	if err != nil {
+		return nil, err
+	}
+
+	conn, err := tcp.Dial(u, core.ConnDialTimeout)
+	if err != nil {
+		return nil, err
+	}
+
+	client, err := NewClient(conn, u)
+	if err != nil {
+		return nil, err
+	}
+
+	if err = client.publish(); err != nil {
+		return nil, err
+	}
+
+	return client, nil
+}
+
+func NewClient(conn net.Conn, u *url.URL) (*Conn, error) {
+	c := &Conn{
+		url: u.String(),
+
+		conn: conn,
+		rd:   bufio.NewReaderSize(conn, core.BufferSize),
+		wr:   conn,
+
+		chunks: map[uint8]*header{},
+
+		rdPacketSize: 128,
+		wrPacketSize: 4096, // OBS - 4096, Reolink - 4096
+	}
+
+	if args := strings.Split(u.Path, "/"); len(args) >= 2 {
+		c.App = args[1]
+		if len(args) >= 3 {
+			c.Stream = args[2]
+			if u.RawQuery != "" {
+				c.Stream += "?" + u.RawQuery
+			}
+		}
+	}
+
+	if err := c.clienHandshake(); err != nil {
+		return nil, err
+	}
+	if err := c.writePacketSize(); err != nil {
+		return nil, err
+	}
+
+	return c, nil
+}
+
+func (c *Conn) clienHandshake() error {
+	// simple handshake without real random and check response
+	b := make([]byte, 1+1536)
+	b[0] = 0x03
+	// write C0+C1
+	if _, err := c.conn.Write(b); err != nil {
+		return err
+	}
+	// read S0+S1
+	if _, err := io.ReadFull(c.rd, b); err != nil {
+		return err
+	}
+	// write S1
+	if _, err := c.conn.Write(b[1:]); err != nil {
+		return err
+	}
+	// read C1, skip check
+	if _, err := io.ReadFull(c.rd, b[1:]); err != nil {
+		return err
+	}
+	return nil
+}
+
+func (c *Conn) play() error {
+	if err := c.writeConnect(); err != nil {
+		return err
+	}
+	if err := c.writeCreateStream(); err != nil {
+		return err
+	}
+	if err := c.writePlay(); err != nil {
+		return err
+	}
+	return nil
+}
+
+func (c *Conn) publish() error {
+	if err := c.writeConnect(); err != nil {
+		return err
+	}
+	if err := c.writeReleaseStream(); err != nil {
+		return err
+	}
+	if err := c.writeCreateStream(); err != nil {
+		return err
+	}
+	if err := c.writePublish(); err != nil {
+		return err
+	}
+
+	go func() {
+		for {
+			_, _, _, err := c.readMessage()
+			//log.Printf("!!! %d %d %.30x", msgType, timeMS, b)
+			if err != nil {
+				return
+			}
+		}
+	}()
+
+	return nil
+}