🚧 replace by fork

fix dependency errors
remove idea files
2025-09-27 04:46:10 +08:00 · 2022-03-01 15:10:52 +01:00 · 2022-03-01 15:01:08 +01:00 · 2022-03-01 14:46:58 +01:00 · 2022-03-01 14:46:55 +01:00 · 2022-03-01 14:39:12 +01:00
65 changed files with 417 additions and 1541 deletions
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -13,15 +13,13 @@ jobs:
    strategy:
      fail-fast: false
      matrix:
-        go:
-          - '1.18'
-          - '1.19'
+        go: [ '1.16', '1.15' ]
    name: Linux Go ${{ matrix.go }}
    steps:
      - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
      - name: Setup Go
-        uses: actions/setup-go@v3
+        uses: actions/setup-go@v2
        with:
          go-version: ${{ matrix.go }}
      - name: Install dependencies
@@ -34,53 +32,24 @@ jobs:
            libx264-dev
      - name: Run Test Suite
        run: make test
-      - uses: codecov/codecov-action@v3	
-        if: matrix.go == '1.19'
+      - uses: codecov/codecov-action@v2	
+        if: matrix.go == '1.16'
  build-darwin:
+    runs-on: macos-latest
    strategy:
      fail-fast: false
      matrix:
-        runs-on:
-          - macos-latest
-          - ['self-hosted', 'macOS', 'ARM64']
-        go:
-          - '1.18'
-          - '1.19'
-    runs-on: ${{ matrix.runs-on }}
-    name: Darwin Go ${{ matrix.go }} ${{ join(matrix.runs-on, ' ') }}
+        go: [ '1.16', '1.15' ]
+    name: Darwin Go ${{ matrix.go }}
    steps:
      - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
      - name: Setup Go
-        uses: actions/setup-go@v3
+        uses: actions/setup-go@v2
        with:
          go-version: ${{ matrix.go }}
-      - name: Checkout Homebrew
-        if: matrix.runs-on != 'macos-latest'
-        uses: actions/checkout@v3
-        with:
-          repository: Homebrew/brew
-          path: homebrew
-      - name: Set up brew to install deps under temporary dir
-        if: matrix.runs-on != 'macos-latest' # set up local brew only on self-hosted
-        run: |
-          dir="${GITHUB_WORKSPACE}/homebrew"
-          cd "${dir}"
-
-          echo "Set up shellenv" >&2
-          env="$(./bin/brew shellenv)"
-          echo "${env}" | tee -a ${GITHUB_ENV}
-          eval "${env}"
-
-          echo "Set up paths" >&2
-          echo "${dir}/bin" | tee -a ${GITHUB_PATH}
-
-          echo "Brew update" >&2
-          brew update --force --quiet
-          chmod -R go-w "$(brew --prefix)/share/zsh"
      - name: Install dependencies
        run: |
-          which brew
          brew install \
            pkg-config \
            opus \
@@ -93,12 +62,12 @@ jobs:
    name: Check Licenses
    steps:
      - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
      - name: Setup Go
-        uses: actions/setup-go@v3
+        uses: actions/setup-go@v2
        with:
-          go-version: '1.19'
+          go-version: '1.16'
      - name: Installing go-licenses
-        run: go install github.com/google/go-licenses@latest
+        run: go get github.com/google/go-licenses
      - name: Checking licenses
        run: go-licenses check ./...
--- a/.github/workflows/renovate-go-mod-fix.yaml
+++ b/.github/workflows/renovate-go-mod-fix.yaml
@@ -9,7 +9,7 @@ jobs:
    runs-on: ubuntu-latest
    steps:
      - name: checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
        with:
          fetch-depth: 2
      - name: fix
--- a/.gitignore
+++ b/.gitignore
@@ -13,5 +13,3 @@

 scripts/cross
 coverage.txt
-
-.idea
--- a/.idea/mediadevices.iml
+++ b/.idea/mediadevices.iml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="Go" enabled="true" />
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>
--- a/.idea/modules.xml
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/mediadevices.iml" filepath="$PROJECT_DIR$/.idea/mediadevices.iml" />
+    </modules>
+  </component>
+</project>
--- a/.idea/vcs.xml
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -0,0 +1,63 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="AutoImportSettings">
+    <option name="autoReloadType" value="SELECTIVE" />
+  </component>
+  <component name="ChangeListManager">
+    <list default="true" id="8804a8cb-7b92-421b-8786-b7715667b867" name="Changes" comment="">
+      <change afterPath="$PROJECT_DIR$/.idea/mediadevices.iml" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/.idea/modules.xml" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/.idea/vcs.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/go.mod" beforeDir="false" afterPath="$PROJECT_DIR$/go.mod" afterDir="false" />
+    </list>
+    <option name="SHOW_DIALOG" value="false" />
+    <option name="HIGHLIGHT_CONFLICTS" value="true" />
+    <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
+    <option name="LAST_RESOLUTION" value="IGNORE" />
+  </component>
+  <component name="GOROOT" url="file:///usr/local/opt/go/libexec" />
+  <component name="Git.Settings">
+    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
+  </component>
+  <component name="GoLibraries">
+    <option name="indexEntireGoPath" value="false" />
+  </component>
+  <component name="KubernetesApiPersistence">
+    <option name="context" value="crane-nts-0" />
+    <option name="namespace" value="default" />
+  </component>
+  <component name="ProjectId" id="25msmAX4e3Virjg5KBrchpLrlbl" />
+  <component name="ProjectViewState">
+    <option name="autoscrollFromSource" value="true" />
+    <option name="autoscrollToSource" value="true" />
+    <option name="hideEmptyMiddlePackages" value="true" />
+    <option name="showLibraryContents" value="true" />
+  </component>
+  <component name="PropertiesComponent">
+    <property name="RunOnceActivity.OpenProjectViewOnStart" value="true" />
+    <property name="RunOnceActivity.ShowReadmeOnStart" value="true" />
+    <property name="WebServerToolWindowFactoryState" value="false" />
+    <property name="go.formatter.settings.were.checked" value="true" />
+    <property name="go.import.settings.migrated" value="true" />
+    <property name="go.sdk.automatically.set" value="true" />
+  </component>
+  <component name="SpellCheckerSettings" RuntimeDictionaries="0" Folders="0" CustomDictionaries="0" DefaultDictionary="application-level" UseSingleDictionary="true" transferred="true" />
+  <component name="TaskManager">
+    <task active="true" id="Default" summary="Default task">
+      <changelist id="8804a8cb-7b92-421b-8786-b7715667b867" name="Changes" comment="" />
+      <created>1646143753802</created>
+      <option name="number" value="Default" />
+      <option name="presentableId" value="Default" />
+      <updated>1646143753802</updated>
+      <workItem from="1646143757180" duration="56000" />
+    </task>
+    <servers />
+  </component>
+  <component name="TypeScriptGeneratedFilesManager">
+    <option name="version" value="3" />
+  </component>
+  <component name="VgoProject">
+    <integration-enabled>true</integration-enabled>
+  </component>
+</project>
--- a/13
+++ b/13
@@ -16,8 +16,7 @@ supported_platforms := \
  linux-arm64 \
  linux-x64 \
  windows-x64 \
-  darwin-x64 \
-  darwin-arm64
+  darwin-x64
 cmd_build := build
 cmd_test := test
 examples_dir := examples
@@ -25,7 +24,7 @@ codec_dir := pkg/codec
 codec_list := $(shell ls $(codec_dir)/*/Makefile)
 codec_list := $(codec_list:$(codec_dir)/%/Makefile=%)
 targets := $(foreach codec, $(codec_list), $(addprefix $(cmd_build)-$(codec)-, $(supported_platforms)))
-pkgs_without_ext_device := $(shell go list ./... | grep -v mmal | grep -v vaapi)
+pkgs_without_mmal := $(shell go list ./... | grep -v mmal)
 pkgs_without_cgo := $(shell go list ./... | grep -v pkg/codec | grep -v pkg/driver | grep -v pkg/avfoundation)

 define BUILD_TEMPLATE
@@ -73,11 +72,11 @@ $(foreach codec, $(codec_list), \
 # Description:
 # 	Run a series of tests
 $(cmd_test):
-	go vet $(pkgs_without_ext_device)
-	go build $(pkgs_without_ext_device)
+	go vet $(pkgs_without_mmal)
+	go build $(pkgs_without_mmal)
 	# go build without CGO
 	CGO_ENABLED=0 go build $(pkgs_without_cgo)
 	# go build with CGO
-	CGO_ENABLED=1 go build $(pkgs_without_ext_device)
+	CGO_ENABLED=1 go build $(pkgs_without_mmal)
 	$(MAKE) --directory=$(examples_dir)
-	go test -v -race -coverprofile=coverage.txt -covermode=atomic $(pkgs_without_ext_device)
+	go test -v -race -coverprofile=coverage.txt -covermode=atomic $(pkgs_without_mmal)
--- a/dockerfiles/darwin-arm64.Dockerfile
+++ b/dockerfiles/darwin-arm64.Dockerfile
@@ -1,47 +0,0 @@
-FROM dockercore/golang-cross as m1cross
-
-ARG DEBIAN_FRONTEND=noninteractive
-RUN apt-get update -qq && apt-get install -y -q --no-install-recommends \
-    cmake \
-    git \
-    libssl-dev \
-    libxml2-dev \
-    libz-dev \
-  && rm -rf /var/lib/apt/lists/*
-
-ENV SDK_VERSION=11.3 \
-    TARGET_DIR=/osxcross/target \
-    UNATTENDED=1
-
-WORKDIR /work
-RUN git clone --depth=1 https://github.com/tpoechtrager/osxcross.git /work \
-  && cd /work/tarballs \
-  && wget -q https://github.com/phracker/MacOSX-SDKs/releases/download/${SDK_VERSION}/MacOSX${SDK_VERSION}.sdk.tar.xz
-
-# Build cross compile toolchain for Apple silicon
-RUN ./build.sh
-
-
-FROM dockcross/base
-
-ENV OSX_CROSS_PATH=/osxcross
-
-COPY --from=m1cross "${OSX_CROSS_PATH}/." "${OSX_CROSS_PATH}/"
-ENV PATH=${OSX_CROSS_PATH}/target/bin:$PATH
-
-COPY init.sh /tmp/init.sh
-RUN bash /tmp/init.sh
-
-ENV CC=arm64-apple-darwin20.4-clang \
-    CXX=arm64-apple-darwin20.4-clang++ \
-    CPP=arm64-apple-darwin20.4-clang++ \
-    AR=arm64-apple-darwin20.4-ar \
-    AS=arm64-apple-darwin20.4-as \
-    LD=arm64-apple-darwin20.4-ld
-
-COPY darwin-arm64.cmake ${OSX_CROSS_PATH}/
-ENV CMAKE_TOOLCHAIN_FILE ${OSX_CROSS_PATH}/darwin-arm64.cmake
-
-ARG IMAGE=lherman/cross-darwin-arm64
-ARG VERSION=latest
-ENV DEFAULT_DOCKCROSS_IMAGE ${IMAGE}:${VERSION}
--- a/dockerfiles/darwin-arm64.cmake
+++ b/dockerfiles/darwin-arm64.cmake
@@ -1,8 +0,0 @@
-set(CMAKE_SYSTEM_NAME Darwin)
-set(CMAKE_SYSTEM_VERSION 1)
-set(CMAKE_SYSTEM_PROCESSOR arm64)
-
-set(CMAKE_C_COMPILER $ENV{CC})
-set(CMAKE_CXX_COMPILER $ENV{CXX})
-set(CMAKE_AR $ENV{AR})
-set(CMAKE_ASM_COMPILER ${CMAKE_C_COMPILER})
--- a/examples/go.mod
+++ b/examples/go.mod
@@ -3,9 +3,9 @@ module github.com/pion/mediadevices/examples
 go 1.14

 require (
-	github.com/esimov/pigo v1.4.6
+	github.com/esimov/pigo v1.4.3
 	github.com/pion/mediadevices v0.0.0
-	github.com/pion/webrtc/v3 v3.1.48
+	github.com/pion/webrtc/v3 v3.0.20
 )

 replace github.com/pion/mediadevices v0.0.0 => ../
--- a/examples/go.sum
+++ b/examples/go.sum
@@ -1,16 +1,17 @@
-github.com/blackjack/webcam v0.0.0-20220329180758-ba064708e165 h1:QsIbRyO2tn5eSJZ/skuDqSTo0GWI5H4G1AT7Mm2H0Nw=
-github.com/blackjack/webcam v0.0.0-20220329180758-ba064708e165/go.mod h1:G0X+rEqYPWSq0dG8OMf8M446MtKytzpPjgS3HbdOJZ4=
+github.com/BurntSushi/xgb v0.0.0-20210121224620-deaf085860bc/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
+github.com/blackjack/webcam v0.0.0-20200313125108-10ed912a8539 h1:1aIqYfg9s9RETAJHGfVKZW4ok0b22p4QTwk8MsdRtPs=
+github.com/blackjack/webcam v0.0.0-20200313125108-10ed912a8539/go.mod h1:G0X+rEqYPWSq0dG8OMf8M446MtKytzpPjgS3HbdOJZ4=
 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/disintegration/imaging v1.6.2/go.mod h1:44/5580QXChDfwIclfc/PCwrr44amcmDAg8hxG0Ewe4=
-github.com/esimov/pigo v1.4.6 h1:wpB9FstbqeGP/CZP+nTR52tUJe7XErq8buG+k4xCXlw=
-github.com/esimov/pigo v1.4.6/go.mod h1:uqj9Y3+3IRYhFK071rxz1QYq0ePhA6+R9jrUZavi46M=
-github.com/fogleman/gg v1.3.0/go.mod h1:R/bRT+9gY/C5z7JzPU0zXsXHKM4/ayA+zqcVNZzPa1k=
+github.com/disintegration/imaging v1.6.1/go.mod h1:xuIt+sRxDFrHS0drzXUlCJthkJ8k7lkkUojDSR247MQ=
+github.com/esimov/pigo v1.4.3 h1:xl098Z9CHmouywvyRZepuKx8aSWHBs/0lZtp7Yt5g28=
+github.com/esimov/pigo v1.4.3/go.mod h1:aOTYpOWsqniACzXKdSOGkqI6CnWQpP8tFjgtUOARoEs=
+github.com/fogleman/gg v1.0.0/go.mod h1:R/bRT+9gY/C5z7JzPU0zXsXHKM4/ayA+zqcVNZzPa1k=
 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/gen2brain/malgo v0.11.10 h1:u41QchDBS7Z2rwEVPu7uycK6HA8IyzKoUOhLU7IvYW4=
-github.com/gen2brain/malgo v0.11.10/go.mod h1:f9TtuN7DVrXMiV/yIceMeWpvanyVzJQMlBecJFVMxww=
+github.com/gen2brain/malgo v0.10.29 h1:bTYiUTUKJsEomNby+W0hgyLrOttUXIk4lTEnKA54iqM=
+github.com/gen2brain/malgo v0.10.29/go.mod h1:zHSUNZAXfCeNsZou0RtQ6Zk7gDYLIcKOrUWtAdksnEs=
 github.com/gen2brain/shm v0.0.0-20200228170931-49f9650110c5/go.mod h1:uF6rMu/1nvu+5DpiRLwusA6xB8zlkNoGzKn8lmYONUo=
 github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0/go.mod h1:fyg7847qk6SyHyPtNmDHnmrv/HOrqktSC+C9fM+CJOE=
 github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0/go.mod h1:E/TSTwGwJL78qG/PmXZO1EjYhfJinVAhrmmHX6Z8B9k=
@@ -21,17 +22,14 @@ github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrU
 github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w=
 github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
 github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
-github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
-github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
+github.com/golang/protobuf v1.4.3/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
 github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 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 v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
-github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/google/uuid v1.2.0 h1:qJYtXnJRWmpe7m/3XlyhrsLrEURqHRM2kxzoxXqyUDs=
+github.com/google/uuid v1.2.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
-github.com/jezek/xgb v0.0.0-20210312150743-0e0f116e1240/go.mod h1:3P4UH/k22rXyHIJD2w4h2XMqPX4Of/eySEZq9L6wqc4=
-github.com/kbinani/screenshot v0.0.0-20210720154843-7d3a670d8329/go.mod h1:2VPVQDR4wO7KXHwP+DAypEy67rXf+okUx2zjgpCxZw4=
+github.com/kbinani/screenshot v0.0.0-20210326165202-b96eb3309bb0/go.mod h1:ZceVWGtzUZmxyN+/1I+oG31oOm1dOA2QUNbua9TLVdE=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
 github.com/kr/pretty v0.2.1 h1:Fmg33tUaq4/8ym9TJN1x7sLJnHVwhP33CNkpYV/7rwI=
 github.com/kr/pretty v0.2.1/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=
@@ -43,96 +41,83 @@ github.com/nxadm/tail v1.4.4/go.mod h1:kenIhsEOeOJmVchQTgglprH7qJGnHDVpk1VPCcaMI
 github.com/nxadm/tail v1.4.8/go.mod h1:+ncqLTQzXmGhMZNUePPaPqPvBxHAIsmXswZKocGu+AU=
 github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
 github.com/onsi/ginkgo v1.12.1/go.mod h1:zj2OWP4+oCPe1qIXoGWkgMRwljMUYCdkwsT2108oapk=
-github.com/onsi/ginkgo v1.16.4/go.mod h1:dX+/inL/fNMqNlz0e9LfyB9TswhZpCVdJM/Z6Vvnwo0=
-github.com/onsi/ginkgo v1.16.5/go.mod h1:+E8gABHa3K6zRBolWtd+ROzc/U5bkGt0FwiG042wbpU=
+github.com/onsi/ginkgo v1.16.1/go.mod h1:CObGmKUOKaSC0RjmoAK7tKyn4Azo5P2IWuoMnvwxz1E=
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@@ -143,35 +128,23 @@ golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201018230417-eeed37f84f13/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20201107080550-4d91cf3a1aaf/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 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 v0.0.0-20211216021012-1d35b9e2eb4e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20220608164250-635b8c9b7f68/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20220622161953-175b2fd9d664/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20220728004956-3c1f35247d10/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.1.0 h1:kunALQeHf1/185U1i0GOB/fy1IPRDDpuoOOqRReG57U=
-golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210420072515-93ed5bcd2bfe h1:WdX7u8s3yOigWAhHEaDl8r9G+4XwFQEQFtBMYyN+kXQ=
+golang.org/x/sys v0.0.0-20210420072515-93ed5bcd2bfe/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/term v0.0.0-20191110171634-ad39bd3f0407/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
-golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
-golang.org/x/term v0.1.0/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
-golang.org/x/text v0.4.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20201224043029-2b0845dc783e/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
-golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
@@ -179,8 +152,6 @@ google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQ
 google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
 google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
 google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
-google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
-google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
--- a/examples/vnc/.gitignore
+++ b/examples/vnc/.gitignore
@@ -1 +0,0 @@
-vnc
--- a/go.mod
+++ b/go.mod
@@ -2,16 +2,17 @@ module github.com/pion/mediadevices

 go 1.13

+replace github.com/pion/webrtc/v3 => github.com/EmrysMyrddin/webrtc/v3 v3.0.30-0.20220301133300-cf76910357bd
+
 require (
-	github.com/blackjack/webcam v0.0.0-20220329180758-ba064708e165
-	github.com/gen2brain/malgo v0.11.10
+	github.com/blackjack/webcam v0.0.0-20200313125108-10ed912a8539
+	github.com/gen2brain/malgo v0.10.35
 	github.com/google/uuid v1.3.0
 	github.com/kbinani/screenshot v0.0.0-20210720154843-7d3a670d8329
-	github.com/pion/interceptor v0.1.12
 	github.com/pion/logging v0.2.2
-	github.com/pion/rtcp v1.2.10
-	github.com/pion/rtp v1.7.13
-	github.com/pion/webrtc/v3 v3.1.48
-	golang.org/x/image v0.1.0
+	github.com/pion/rtcp v1.2.9
+	github.com/pion/rtp v1.7.4
+	github.com/pion/webrtc/v3 v3.1.10
+	golang.org/x/image v0.0.0-20210628002857-a66eb6448b8d
 	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
 )
--- a/go.sum
+++ b/go.sum
@@ -1,12 +1,14 @@
-github.com/blackjack/webcam v0.0.0-20220329180758-ba064708e165 h1:QsIbRyO2tn5eSJZ/skuDqSTo0GWI5H4G1AT7Mm2H0Nw=
-github.com/blackjack/webcam v0.0.0-20220329180758-ba064708e165/go.mod h1:G0X+rEqYPWSq0dG8OMf8M446MtKytzpPjgS3HbdOJZ4=
+github.com/EmrysMyrddin/webrtc/v3 v3.0.30-0.20220301133300-cf76910357bd h1:LMu4e+BuBW8N1TnzXXz4bB/O47fQzw0CqfyROgzMSx8=
+github.com/EmrysMyrddin/webrtc/v3 v3.0.30-0.20220301133300-cf76910357bd/go.mod h1:mO/yv7fBN3Lp7YNlnYcTj1jtpvNvssJG+7eh6itZ4xM=
+github.com/blackjack/webcam v0.0.0-20200313125108-10ed912a8539 h1:1aIqYfg9s9RETAJHGfVKZW4ok0b22p4QTwk8MsdRtPs=
+github.com/blackjack/webcam v0.0.0-20200313125108-10ed912a8539/go.mod h1:G0X+rEqYPWSq0dG8OMf8M446MtKytzpPjgS3HbdOJZ4=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
 github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
-github.com/gen2brain/malgo v0.11.10 h1:u41QchDBS7Z2rwEVPu7uycK6HA8IyzKoUOhLU7IvYW4=
-github.com/gen2brain/malgo v0.11.10/go.mod h1:f9TtuN7DVrXMiV/yIceMeWpvanyVzJQMlBecJFVMxww=
+github.com/gen2brain/malgo v0.10.35 h1:D6aNo/Q0SnzQLHomTydTXxj4AJFdGJcVoE7I8JxPoUo=
+github.com/gen2brain/malgo v0.10.35/go.mod h1:zHSUNZAXfCeNsZou0RtQ6Zk7gDYLIcKOrUWtAdksnEs=
 github.com/gen2brain/shm v0.0.0-20200228170931-49f9650110c5 h1:Y5Q2mEwfzjMt5+3u70Gtw93ZOu2UuPeeeTBDntF7FoY=
 github.com/gen2brain/shm v0.0.0-20200228170931-49f9650110c5/go.mod h1:uF6rMu/1nvu+5DpiRLwusA6xB8zlkNoGzKn8lmYONUo=
 github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0/go.mod h1:fyg7847qk6SyHyPtNmDHnmrv/HOrqktSC+C9fM+CJOE=
@@ -49,66 +51,59 @@ github.com/onsi/gomega v1.10.1/go.mod h1:iN09h71vgCQne3DLsj+A5owkum+a2tYe+TOCB1y
 github.com/onsi/gomega v1.17.0/go.mod h1:HnhC7FXeEQY45zxNK3PPoIUhzk/80Xly9PcubAlGdZY=
 github.com/pion/datachannel v1.5.2 h1:piB93s8LGmbECrpO84DnkIVWasRMk3IimbcXkTQLE6E=
 github.com/pion/datachannel v1.5.2/go.mod h1:FTGQWaHrdCwIJ1rw6xBIfZVkslikjShim5yr05XFuCQ=
-github.com/pion/dtls/v2 v2.1.5 h1:jlh2vtIyUBShchoTDqpCCqiYCyRFJ/lvf/gQ8TALs+c=
-github.com/pion/dtls/v2 v2.1.5/go.mod h1:BqCE7xPZbPSubGasRoDFJeTsyJtdD1FanJYL0JGheqY=
-github.com/pion/ice/v2 v2.2.11 h1:wiAy7TSrVZ4KdyjC0CcNTkwltz9ywetbe4wbHLKUbIg=
-github.com/pion/ice/v2 v2.2.11/go.mod h1:NqUDUao6SjSs1+4jrqpexDmFlptlVhGxQjcymXLaVvE=
-github.com/pion/interceptor v0.1.11/go.mod h1:tbtKjZY14awXd7Bq0mmWvgtHB5MDaRN7HV3OZ/uy7s8=
-github.com/pion/interceptor v0.1.12 h1:CslaNriCFUItiXS5o+hh5lpL0t0ytQkFnUcbbCs2Zq8=
-github.com/pion/interceptor v0.1.12/go.mod h1:bDtgAD9dRkBZpWHGKaoKb42FhDHTG2rX8Ii9LRALLVA=
+github.com/pion/dtls/v2 v2.1.2/go.mod h1:o6+WvyLDAlXF7YiPB/RlskRoeK+/JtuaZa5emwQcWus=
+github.com/pion/dtls/v2 v2.1.3 h1:3UF7udADqous+M2R5Uo2q/YaP4EzUoWKdfX2oscCUio=
+github.com/pion/dtls/v2 v2.1.3/go.mod h1:o6+WvyLDAlXF7YiPB/RlskRoeK+/JtuaZa5emwQcWus=
+github.com/pion/ice/v2 v2.2.1 h1:R3MeuJZpU1ty3diPqpD5OxaxcZ15eprAc+EtUiSoFxg=
+github.com/pion/ice/v2 v2.2.1/go.mod h1:Op8jlPtjeiycsXh93Cs4jK82C9j/kh7vef6ztIOvtIQ=
+github.com/pion/interceptor v0.1.7 h1:HThW0tIIKT9RRoDWGURe8rlZVOx0fJHxBHpA0ej0+bo=
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 github.com/pion/mdns v0.0.5 h1:Q2oj/JB3NqfzY9xGZ1fPzZzK7sDSD8rZPOvcIQ10BCw=
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 github.com/pion/randutil v0.1.0 h1:CFG1UdESneORglEsnimhUjf33Rwjubwj6xfiOXBa3mA=
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+github.com/pion/rtcp v1.2.6/go.mod h1:52rMNPWFsjr39z9B9MhnkqhPLoeHTv1aN63o/42bWE0=
+github.com/pion/rtcp v1.2.9 h1:1ujStwg++IOLIEoOiIQ2s+qBuJ1VN81KW+9pMPsif+U=
 github.com/pion/rtcp v1.2.9/go.mod h1:qVPhiCzAm4D/rxb6XzKeyZiQK69yJpbUDJSF7TgrqNo=
-github.com/pion/rtcp v1.2.10 h1:nkr3uj+8Sp97zyItdN60tE/S6vk4al5CPRR6Gejsdjc=
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-github.com/pion/sctp v1.8.3 h1:LWcciN2ptLkw9Ugp/Ks2E76fiWy7yk3Wm79D6oFbFNo=
-github.com/pion/sctp v1.8.3/go.mod h1:OHbDjdk7kg+L+7TJim9q/qGVefdEJohuA2SZyihccgI=
-github.com/pion/sdp/v3 v3.0.6 h1:WuDLhtuFUUVpTfus9ILC4HRyHsW6TdugjEX/QY9OiUw=
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+github.com/pion/sdp/v3 v3.0.4/go.mod h1:bNiSknmJE0HYBprTHXKPQ3+JjacTv5uap92ueJZKsRk=
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 github.com/pion/transport v0.13.0/go.mod h1:yxm9uXpK9bpBBWkITk13cLo1y5/ur5VQpG22ny6EP7g=
-github.com/pion/transport v0.13.1 h1:/UH5yLeQtwm2VZIPjxwnNFxjS4DFhyLfS4GlfuKUzfA=
-github.com/pion/transport v0.13.1/go.mod h1:EBxbqzyv+ZrmDb82XswEE0BjfQFtuw1Nu6sjnjWCsGg=
 github.com/pion/turn/v2 v2.0.8 h1:KEstL92OUN3k5k8qxsXHpr7WWfrdp7iJZHx99ud8muw=
 github.com/pion/turn/v2 v2.0.8/go.mod h1:+y7xl719J8bAEVpSXBXvTxStjJv3hbz9YFflvkpcGPw=
 github.com/pion/udp v0.1.1 h1:8UAPvyqmsxK8oOjloDk4wUt63TzFe9WEJkg5lChlj7o=
 github.com/pion/udp v0.1.1/go.mod h1:6AFo+CMdKQm7UiA0eUPA8/eVCTx8jBIITLZHc9DWX5M=
-github.com/pion/webrtc/v3 v3.1.48 h1:lRAdRAewrcQTlj2n7pDUbJcuiQpHwwMq61edwhTkVq4=
-github.com/pion/webrtc/v3 v3.1.48/go.mod h1:JOk9h4pOtogTAWM1SCoEG2opDQmEOR0QZcbEo9vy0Xc=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/sclevine/agouti v3.0.0+incompatible/go.mod h1:b4WX9W9L1sfQKXeJf1mUTLZKJ48R1S7H23Ji7oFO5Bw=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
 github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
-github.com/stretchr/testify v1.7.1 h1:5TQK59W5E3v0r2duFAb7P95B6hEeOyEnHRa8MjYSMTY=
-github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
-github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
-golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
-golang.org/x/crypto v0.0.0-20220427172511-eb4f295cb31f/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
-golang.org/x/crypto v0.0.0-20221010152910-d6f0a8c073c2 h1:x8vtB3zMecnlqZIwJNUUpwYKYSqCz5jXbiyv0ZJJZeI=
-golang.org/x/crypto v0.0.0-20221010152910-d6f0a8c073c2/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
-golang.org/x/image v0.1.0 h1:r8Oj8ZA2Xy12/b5KZYj3tuv7NG/fBz3TwQVvpJ9l8Rk=
-golang.org/x/image v0.1.0/go.mod h1:iyPr49SD/G/TBxYVB/9RRtGUT5eNbo2u4NamWeQcD5c=
+golang.org/x/crypto v0.0.0-20220131195533-30dcbda58838 h1:71vQrMauZZhcTVK6KdYM+rklehEEwb3E+ZhaE5jrPrE=
+golang.org/x/crypto v0.0.0-20220131195533-30dcbda58838/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
+golang.org/x/image v0.0.0-20210628002857-a66eb6448b8d h1:RNPAfi2nHY7C2srAV8A49jpsYr0ADedCk1wq6fTMTvs=
+golang.org/x/image v0.0.0-20210628002857-a66eb6448b8d/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
 golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
@@ -116,20 +111,14 @@ golang.org/x/net v0.0.0-20200520004742-59133d7f0dd7/go.mod h1:qpuaurCH72eLCgpAm/
 golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
 golang.org/x/net v0.0.0-20201201195509-5d6afe98e0b7/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
 golang.org/x/net v0.0.0-20210119194325-5f4716e94777/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
-golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20210428140749-89ef3d95e781/go.mod h1:OJAsFXCWl8Ukc7SiCT/9KSuxbyM7479/AVlXFRxuMCk=
 golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20211201190559-0a0e4e1bb54c/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
-golang.org/x/net v0.0.0-20220425223048-2871e0cb64e4/go.mod h1:CfG3xpIq0wQ8r1q4Su4UZFWDARRcnwPjda9FqA0JpMk=
-golang.org/x/net v0.0.0-20220531201128-c960675eff93/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
-golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
-golang.org/x/net v0.0.0-20221002022538-bcab6841153b/go.mod h1:YDH+HFinaLZZlnHAfSS6ZXJJ9M9t4Dl22yv3iI2vPwk=
-golang.org/x/net v0.1.0 h1:hZ/3BUoy5aId7sCpA/Tc5lt8DkFgdVS2onTpJsZ/fl0=
-golang.org/x/net v0.1.0/go.mod h1:Cx3nUiGt4eDBEyega/BKRp+/AlGL8hYe7U9odMt2Cco=
+golang.org/x/net v0.0.0-20220127200216-cd36cc0744dd h1:O7DYs+zxREGLKzKoMQrtrEacpb0ZVXA5rIwylE2Xchk=
+golang.org/x/net v0.0.0-20220127200216-cd36cc0744dd/go.mod h1:CfG3xpIq0wQ8r1q4Su4UZFWDARRcnwPjda9FqA0JpMk=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -143,29 +132,21 @@ 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 v0.0.0-20211216021012-1d35b9e2eb4e h1:fLOSk5Q00efkSvAm+4xcoXD+RRmLmmulPn5I3Y9F2EM=
 golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20220608164250-635b8c9b7f68/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20220622161953-175b2fd9d664/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20220728004956-3c1f35247d10/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.1.0 h1:kunALQeHf1/185U1i0GOB/fy1IPRDDpuoOOqRReG57U=
-golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
-golang.org/x/term v0.1.0/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
-golang.org/x/text v0.4.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20201224043029-2b0845dc783e/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
-golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
--- a/mediadevices_test.go
+++ b/mediadevices_test.go
@@ -8,7 +8,6 @@ import (
 	"github.com/pion/mediadevices/pkg/driver"
 	_ "github.com/pion/mediadevices/pkg/driver/audiotest"
 	_ "github.com/pion/mediadevices/pkg/driver/videotest"
-	"github.com/pion/mediadevices/pkg/frame"
 	"github.com/pion/mediadevices/pkg/prop"
 )

@@ -98,145 +97,37 @@ func TestSelectBestDriverConstraintsResultIsSetProperly(t *testing.T) {
 		t.Fatal("expect to get at least 1 property")
 	}
 	expectedProp := driver.Properties()[0]
+	// Since this is a continuous value, bestConstraints should be set with the value that user specified
+	expectedProp.FrameRate = 30.0

-	// By reducing the value from the driver by a tiny amount, this property should be chosen.
-	// At the same time, we'll be able to find out if the return constraints will be properly set
-	// to the best constraints.
-	cases := map[string]struct {
-		width, height int
-		frameFormat   frame.Format
-		frameRate     float32
-	}{
-		"DifferentWidth": {
-			width:       expectedProp.Width - 1,
-			height:      expectedProp.Height,
-			frameFormat: expectedProp.FrameFormat,
-			frameRate:   expectedProp.FrameRate,
-		},
-		"DifferentHeight": {
-			width:       expectedProp.Width,
-			height:      expectedProp.Height - 1,
-			frameFormat: expectedProp.FrameFormat,
-			frameRate:   expectedProp.FrameRate,
-		},
-		"DifferentFrameFormat": {
-			width:       expectedProp.Width,
-			height:      expectedProp.Height,
-			frameFormat: frame.FormatI420,
-			frameRate:   expectedProp.FrameRate,
+	wantConstraints := MediaTrackConstraints{
+		MediaConstraints: prop.MediaConstraints{
+			VideoConstraints: prop.VideoConstraints{
+				// By reducing the width from the driver by a tiny amount, this property should be chosen.
+				// At the same time, we'll be able to find out if the return constraints will be properly set
+				// to the best constraints.
+				Width:       prop.Int(expectedProp.Width - 1),
+				Height:      prop.Int(expectedProp.Width),
+				FrameFormat: prop.FrameFormat(expectedProp.FrameFormat),
+				FrameRate:   prop.Float(30.0),
+			},
 		},
 	}

-	for name, c := range cases {
-		c := c
-		t.Run(name, func(t *testing.T) {
-			var vc prop.VideoConstraints
-
-			if c.frameRate >= 0 {
-				vc = prop.VideoConstraints{
-					Width:       prop.Int(c.width),
-					Height:      prop.Int(c.height),
-					FrameFormat: prop.FrameFormat(c.frameFormat),
-					FrameRate:   prop.Float(c.frameRate),
-				}
-			} else {
-				// do not specify the framerate
-				vc = prop.VideoConstraints{
-					Width:       prop.Int(c.width),
-					Height:      prop.Int(c.height),
-					FrameFormat: prop.FrameFormat(c.frameFormat),
-				}
-			}
-			wantConstraints := MediaTrackConstraints{
-				MediaConstraints: prop.MediaConstraints{
-					VideoConstraints: vc,
-				},
-			}
-
-			bestDriver, bestConstraints, err := selectBestDriver(filterFn, wantConstraints)
-			if err != nil {
-				t.Fatal(err)
-			}
-
-			if driver != bestDriver {
-				t.Fatal("best driver is not expected")
-			}
-
-			s := bestConstraints.selectedMedia
-			if s.Width != expectedProp.Width ||
-				s.Height != expectedProp.Height ||
-				s.FrameFormat != expectedProp.FrameFormat ||
-				s.FrameRate != expectedProp.FrameRate {
-				t.Fatalf("failed to return best constraints\nexpected:\n%v\n\ngot:\n%v", expectedProp, bestConstraints.selectedMedia)
-			}
-
-		})
-	}
-
-}
-
-func TestSelectBestDriverConstraintsNoFit(t *testing.T) {
-	filterFn := driver.FilterVideoRecorder()
-	drivers := driver.GetManager().Query(filterFn)
-	if len(drivers) == 0 {
-		t.Fatal("expect to get at least 1 driver")
-	}
-
-	driver := drivers[0]
-	err := driver.Open()
+	bestDriver, bestConstraints, err := selectBestDriver(filterFn, wantConstraints)
 	if err != nil {
-		t.Fatal("expect to open driver successfully")
-	}
-	defer driver.Close()
-
-	if len(driver.Properties()) == 0 {
-		t.Fatal("expect to get at least 1 property")
-	}
-	expectedProp := driver.Properties()[0]
-
-	cases := map[string]struct {
-		width, height int
-		frameFormat   frame.Format
-		frameRate     float32
-	}{
-		"DifferentWidth": {
-			width:       expectedProp.Width - 1,
-			height:      expectedProp.Height,
-			frameFormat: expectedProp.FrameFormat,
-			frameRate:   expectedProp.FrameRate,
-		},
-		"DifferentHeight": {
-			width:       expectedProp.Width,
-			height:      expectedProp.Height - 1,
-			frameFormat: expectedProp.FrameFormat,
-			frameRate:   expectedProp.FrameRate,
-		},
-		"DifferentFrameFormat": {
-			width:       expectedProp.Width,
-			height:      expectedProp.Height,
-			frameFormat: frame.FormatI420,
-			frameRate:   expectedProp.FrameRate,
-		},
+		t.Fatal(err)
 	}

-	for name, c := range cases {
-		c := c
-		t.Run(name, func(t *testing.T) {
-			wantConstraints := MediaTrackConstraints{
-				MediaConstraints: prop.MediaConstraints{
-					VideoConstraints: prop.VideoConstraints{
-						Width:       prop.IntExact(c.width),
-						Height:      prop.IntExact(c.height),
-						FrameFormat: prop.FrameFormatExact(c.frameFormat),
-						FrameRate:   prop.FloatExact(c.frameRate),
-					},
-				},
-			}
+	if driver != bestDriver {
+		t.Fatal("best driver is not expected")
+	}

-			_, _, err := selectBestDriver(filterFn, wantConstraints)
-			if err == nil {
-				t.Fatal("expect to not find a driver that fits the constraints")
-			}
-		})
+	s := bestConstraints.selectedMedia
+	if s.Width != expectedProp.Width ||
+		s.Height != expectedProp.Height ||
+		s.FrameFormat != expectedProp.FrameFormat ||
+		s.FrameRate != expectedProp.FrameRate {
+		t.Fatalf("failed to return best constraints\nexpected:\n%v\n\ngot:\n%v", expectedProp, bestConstraints.selectedMedia)
 	}
 }
--- a/pkg/avfoundation/avfoundation_darwin.go
+++ b/pkg/avfoundation/avfoundation_darwin.go
@@ -11,10 +11,8 @@ package avfoundation
 // }
 import "C"
 import (
-	"context"
 	"fmt"
 	"io"
-	"sync"
 	"unsafe"

 	"github.com/pion/mediadevices/pkg/frame"
@@ -95,13 +93,9 @@ func Devices(mediaType MediaType) ([]Device, error) {
 // ReadCloser is a wrapper around the data callback from AVFoundation. The data received from the
 // the underlying callback can be retrieved by calling Read.
 type ReadCloser struct {
-	dataChan   chan []byte
-	id         handleID
-	onClose    func()
-	cancelCtx  context.Context
-	cancelFunc func()
-	closeWG    sync.WaitGroup
-	lock       sync.Mutex
+	dataChan chan []byte
+	id       handleID
+	onClose  func()
 }

 func newReadCloser(onClose func()) *ReadCloser {
@@ -109,25 +103,12 @@ func newReadCloser(onClose func()) *ReadCloser {
 	rc.dataChan = make(chan []byte, 1)
 	rc.onClose = onClose
 	rc.id = register(rc.dataCb)
-	cancelCtx, cancelFunc := context.WithCancel(context.Background())
-	rc.cancelCtx = cancelCtx
-	rc.cancelFunc = cancelFunc
 	return &rc
 }

 func (rc *ReadCloser) dataCb(data []byte) {
-	rc.closeWG.Add(1)
-	defer rc.closeWG.Done()
-
 	// TODO: add a policy for slow reader
-	if rc.cancelCtx.Err() != nil {
-		return
-	}
-	select {
-	// Use the Done channel to avoid waiting for new data from closed camera
-	case <-rc.cancelCtx.Done():
-	case rc.dataChan <- data:
-	}
+	rc.dataChan <- data
 }

 // Read reads raw data, the format is determined by the media type and property:
@@ -143,28 +124,17 @@ func (rc *ReadCloser) Read() ([]byte, func(), error) {

 // Close closes the capturing session, and no data will flow anymore
 func (rc *ReadCloser) Close() {
-	rc.lock.Lock()
-	defer rc.lock.Unlock()
-
-	if rc.cancelCtx.Err() != nil {
-		return // already closed
-	}
-
 	if rc.onClose != nil {
 		rc.onClose()
 	}
-	rc.cancelFunc()
-	unregister(rc.id)
-	rc.closeWG.Wait()
 	close(rc.dataChan)
+	unregister(rc.id)
 }

 // Session represents a capturing session.
 type Session struct {
 	device   Device
 	cSession C.PAVBindSession
-	lock     sync.Mutex
-	closed   bool
 }

 // NewSession creates a new capturing session
@@ -182,13 +152,6 @@ func NewSession(device Device) (*Session, error) {

 // Close stops capturing session and frees up resources
 func (session *Session) Close() error {
-	session.lock.Lock()
-	defer session.lock.Unlock()
-	if session.closed {
-		return nil
-	}
-	session.closed = true
-
 	if session.cSession == nil {
 		return nil
 	}
--- a/pkg/codec/internal/codectest/codectest.go
+++ b/pkg/codec/internal/codectest/codectest.go
@@ -119,41 +119,3 @@ func VideoEncoderCloseTwiceTest(t *testing.T, c codec.VideoEncoderBuilder, p pro
 		t.Fatal(err)
 	}
 }
-
-func AudioEncoderReadAfterCloseTest(t *testing.T, c codec.AudioEncoderBuilder, p prop.Media, w wave.Audio) {
-	enc, err := c.BuildAudioEncoder(audio.ReaderFunc(func() (wave.Audio, func(), error) {
-		return w, nil, nil
-	}), p)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	if err := assertNoPanic(t, enc.Close, "on Close()"); err != nil {
-		t.Fatal(err)
-	}
-	if err := assertNoPanic(t, func() error {
-		_, _, err := enc.Read()
-		return err
-	}, "on Read()"); err != io.EOF {
-		t.Fatalf("Expected: %v, got: %v", io.EOF, err)
-	}
-}
-
-func VideoEncoderReadAfterCloseTest(t *testing.T, c codec.VideoEncoderBuilder, p prop.Media, img image.Image) {
-	enc, err := c.BuildVideoEncoder(video.ReaderFunc(func() (image.Image, func(), error) {
-		return img, nil, nil
-	}), p)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	if err := assertNoPanic(t, enc.Close, "on Close()"); err != nil {
-		t.Fatal(err)
-	}
-	if err := assertNoPanic(t, func() error {
-		_, _, err := enc.Read()
-		return err
-	}, "on Read()"); err != io.EOF {
-		t.Fatalf("Expected: %v, got: %v", io.EOF, err)
-	}
-}
--- a/pkg/codec/mmal/mmal_test.go
+++ b/pkg/codec/mmal/mmal_test.go
@@ -44,25 +44,6 @@ func TestEncoder(t *testing.T) {
 			},
 		})
 	})
-	t.Run("ReadAfterClose", func(t *testing.T) {
-		p, err := NewParams()
-		if err != nil {
-			t.Fatal(err)
-		}
-		codectest.VideoEncoderReadAfterCloseTest(t, &p,
-			prop.Media{
-				Video: prop.Video{
-					Width:       256,
-					Height:      144,
-					FrameFormat: frame.FormatI420,
-				},
-			},
-			image.NewYCbCr(
-				image.Rect(0, 0, 256, 144),
-				image.YCbCrSubsampleRatio420,
-			),
-		)
-	})
 }

 func TestShouldImplementBitRateControl(t *testing.T) {
--- a/pkg/codec/openh264/bridge.cpp
+++ b/pkg/codec/openh264/bridge.cpp
@@ -21,26 +21,29 @@ Encoder *enc_new(const EncoderOptions opts, int *eresult) {
    return NULL;
  }

-  params.iUsageType = opts.usage_type;
+  // TODO: Remove hardcoded values
+  params.iUsageType = CAMERA_VIDEO_REAL_TIME;
  params.iPicWidth = opts.width;
  params.iPicHeight = opts.height;
  params.iTargetBitrate = opts.target_bitrate;
  params.iMaxBitrate = opts.target_bitrate;
-  params.iRCMode = opts.rc_mode;
+  params.iRCMode = RC_BITRATE_MODE;
  params.fMaxFrameRate = opts.max_fps;
-  params.bEnableFrameSkip = opts.enable_frame_skip;
-  params.uiMaxNalSize = opts.max_nal_size;
-  params.uiIntraPeriod = opts.intra_period;
-  params.iMultipleThreadIdc = opts.multiple_thread_idc;
+  params.bEnableFrameSkip = true;
+  params.uiMaxNalSize = 0;
+  params.uiIntraPeriod = 30;
+  // set to 0, so that it'll automatically use multi threads when needed
+  params.iMultipleThreadIdc = 0;
  // The base spatial layer 0 is the only one we use.
  params.sSpatialLayers[0].iVideoWidth = params.iPicWidth;
  params.sSpatialLayers[0].iVideoHeight = params.iPicHeight;
  params.sSpatialLayers[0].fFrameRate = params.fMaxFrameRate;
  params.sSpatialLayers[0].iSpatialBitrate = params.iTargetBitrate;
  params.sSpatialLayers[0].iMaxSpatialBitrate = params.iTargetBitrate;
-  params.sSpatialLayers[0].sSliceArgument.uiSliceNum = opts.slice_num;
-  params.sSpatialLayers[0].sSliceArgument.uiSliceMode = opts.slice_mode;
-  params.sSpatialLayers[0].sSliceArgument.uiSliceSizeConstraint = opts.slice_size_constraint;
+  // Single NAL unit mode
+  params.sSpatialLayers[0].sSliceArgument.uiSliceNum = 1;
+  params.sSpatialLayers[0].sSliceArgument.uiSliceMode = SM_SIZELIMITED_SLICE;
+  params.sSpatialLayers[0].sSliceArgument.uiSliceSizeConstraint = 12800;

  rv = engine->InitializeExt(&params);
  if (rv != 0) {
@@ -78,15 +81,16 @@ Slice enc_encode(Encoder *e, Frame f, int *eresult) {
  Slice payload = {0};

  if(e->force_key_frame == 1) {
-    e->engine->ForceIntraFrame(true);
+    info.eFrameType = videoFrameTypeI;
    e->force_key_frame = 0;
  }

  pic.iPicWidth = f.width;
  pic.iPicHeight = f.height;
  pic.iColorFormat = videoFormatI420;
-  pic.iStride[0] = f.ystride;
-  pic.iStride[1] = pic.iStride[2] = f.cstride;
+  // We always received I420 format
+  pic.iStride[0] = pic.iPicWidth;
+  pic.iStride[1] = pic.iStride[2] = pic.iPicWidth / 2;
  pic.pData[0] = (unsigned char *)f.y;
  pic.pData[1] = (unsigned char *)f.u;
  pic.pData[2] = (unsigned char *)f.v;
--- a/pkg/codec/openh264/bridge.hpp
+++ b/pkg/codec/openh264/bridge.hpp
@@ -12,8 +12,6 @@ typedef struct Slice {

 typedef struct Frame {
  void *y, *u, *v;
-  int ystride;
-  int cstride;
  int height;
  int width;
 } Frame;
@@ -22,15 +20,6 @@ typedef struct EncoderOptions {
  int width, height;
  int target_bitrate;
  float max_fps;
-  EUsageType usage_type;
-  RC_MODES rc_mode;
-  bool enable_frame_skip;
-  unsigned int max_nal_size;
-  unsigned int intra_period;
-  int multiple_thread_idc;
-  unsigned int slice_num;
-  SliceModeEnum slice_mode;
-  unsigned int slice_size_constraint;
 } EncoderOptions;

 typedef struct Encoder {
--- a/pkg/codec/openh264/lib/libopenh264-darwin-arm64.a
+++ b/pkg/codec/openh264/lib/libopenh264-darwin-arm64.a
--- a/pkg/codec/openh264/openh264.go
+++ b/pkg/codec/openh264/openh264.go
@@ -33,19 +33,10 @@ func newEncoder(r video.Reader, p prop.Media, params Params) (codec.ReadCloser,

 	var rv C.int
 	cEncoder := C.enc_new(C.EncoderOptions{
-		width:                 C.int(p.Width),
-		height:                C.int(p.Height),
-		target_bitrate:        C.int(params.BitRate),
-		max_fps:               C.float(p.FrameRate),
-		usage_type:            C.EUsageType(params.UsageType),
-		rc_mode:               C.RC_MODES(params.RCMode),
-		enable_frame_skip:     C.bool(params.EnableFrameSkip),
-		max_nal_size:          C.uint(params.MaxNalSize),
-		intra_period:          C.uint(params.IntraPeriod),
-		multiple_thread_idc:   C.int(params.MultipleThreadIdc),
-		slice_num:             C.uint(params.SliceNum),
-		slice_mode:            C.SliceModeEnum(params.SliceMode),
-		slice_size_constraint: C.uint(params.SliceSizeConstraint),
+		width:          C.int(p.Width),
+		height:         C.int(p.Height),
+		target_bitrate: C.int(params.BitRate),
+		max_fps:        C.float(p.FrameRate),
 	}, &rv)
 	if err := errResult(rv); err != nil {
 		return nil, fmt.Errorf("failed in creating encoder: %v", err)
@@ -74,13 +65,11 @@ func (e *encoder) Read() ([]byte, func(), error) {
 	bounds := yuvImg.Bounds()
 	var rv C.int
 	s := C.enc_encode(e.engine, C.Frame{
-		y:       unsafe.Pointer(&yuvImg.Y[0]),
-		u:       unsafe.Pointer(&yuvImg.Cb[0]),
-		v:       unsafe.Pointer(&yuvImg.Cr[0]),
-		ystride: C.int(yuvImg.YStride),
-		cstride: C.int(yuvImg.CStride),
-		height:  C.int(bounds.Max.Y - bounds.Min.Y),
-		width:   C.int(bounds.Max.X - bounds.Min.X),
+		y:      unsafe.Pointer(&yuvImg.Y[0]),
+		u:      unsafe.Pointer(&yuvImg.Cb[0]),
+		v:      unsafe.Pointer(&yuvImg.Cr[0]),
+		height: C.int(bounds.Max.Y - bounds.Min.Y),
+		width:  C.int(bounds.Max.X - bounds.Min.X),
 	}, &rv)
 	if err := errResult(rv); err != nil {
 		return nil, func() {}, fmt.Errorf("failed in encoding: %v", err)
--- a/pkg/codec/openh264/openh264_static.go
+++ b/pkg/codec/openh264/openh264_static.go
@@ -8,6 +8,5 @@ package openh264
 //#cgo linux,arm64 LDFLAGS: ${SRCDIR}/lib/libopenh264-linux-arm64.a
 //#cgo linux,amd64 LDFLAGS: ${SRCDIR}/lib/libopenh264-linux-x64.a
 //#cgo darwin,amd64 LDFLAGS: ${SRCDIR}/lib/libopenh264-darwin-x64.a
-//#cgo darwin,arm64 LDFLAGS: ${SRCDIR}/lib/libopenh264-darwin-arm64.a
 //#cgo windows,amd64 LDFLAGS: ${SRCDIR}/lib/libopenh264-windows-x64.a -lssp
 import "C"
--- a/pkg/codec/openh264/openh264_test.go
+++ b/pkg/codec/openh264/openh264_test.go
@@ -60,23 +60,4 @@ func TestEncoder(t *testing.T) {
 			},
 		})
 	})
-	t.Run("ReadAfterClose", func(t *testing.T) {
-		p, err := NewParams()
-		if err != nil {
-			t.Fatal(err)
-		}
-		codectest.VideoEncoderReadAfterCloseTest(t, &p,
-			prop.Media{
-				Video: prop.Video{
-					Width:       256,
-					Height:      144,
-					FrameFormat: frame.FormatI420,
-				},
-			},
-			image.NewYCbCr(
-				image.Rect(0, 0, 256, 144),
-				image.YCbCrSubsampleRatio420,
-			),
-		)
-	})
 }
--- a/pkg/codec/openh264/params.go
+++ b/pkg/codec/openh264/params.go
@@ -1,8 +1,5 @@
 package openh264

-// #include <openh264/codec_api.h>
-import "C"
-
 import (
 	"github.com/pion/mediadevices/pkg/codec"
 	"github.com/pion/mediadevices/pkg/io/video"
@@ -12,62 +9,14 @@ import (
 // Params stores libopenh264 specific encoding parameters.
 type Params struct {
 	codec.BaseParams
-	UsageType           UsageTypeEnum
-	RCMode              RCModeEnum
-	EnableFrameSkip     bool
-	MaxNalSize          uint
-	IntraPeriod         uint
-	MultipleThreadIdc   int
-	SliceNum            uint
-	SliceMode           SliceModeEnum
-	SliceSizeConstraint uint
 }

-type UsageTypeEnum int
-
-const (
-	CameraVideoRealTime      UsageTypeEnum = C.CAMERA_VIDEO_REAL_TIME   ///< camera video for real-time communication
-	ScreenContentRealTime    UsageTypeEnum = C.SCREEN_CONTENT_REAL_TIME ///< screen content signal
-	CameraVideoNonRealTime   UsageTypeEnum = C.CAMERA_VIDEO_NON_REAL_TIME
-	ScreenContentNonRealTime UsageTypeEnum = C.SCREEN_CONTENT_NON_REAL_TIME
-	InputContentTypeAll      UsageTypeEnum = C.INPUT_CONTENT_TYPE_ALL
-)
-
-type RCModeEnum int
-
-const (
-	RCQualityMode         RCModeEnum = C.RC_QUALITY_MODE           ///< quality mode
-	RCBitrateMode         RCModeEnum = C.RC_BITRATE_MODE           ///< bitrate mode
-	RCBufferbaseedMode    RCModeEnum = C.RC_BUFFERBASED_MODE       ///< no bitrate control,only using buffer status,adjust the video quality
-	RCTimestampMode       RCModeEnum = C.RC_TIMESTAMP_MODE         //rate control based timestamp
-	RCBitrateModePostSkip RCModeEnum = C.RC_BITRATE_MODE_POST_SKIP ///< this is in-building RC MODE, WILL BE DELETED after algorithm tuning!
-	RCOffMode             RCModeEnum = C.RC_OFF_MODE               ///< rate control off mode
-)
-
-type SliceModeEnum uint
-
-const (
-	SMSingleSlice      SliceModeEnum = C.SM_SINGLE_SLICE      ///< | SliceNum==1
-	SMFixedslcnumSlice SliceModeEnum = C.SM_FIXEDSLCNUM_SLICE ///< | according to SliceNum        | enabled dynamic slicing for multi-thread
-	SMRasterSlice      SliceModeEnum = C.SM_RASTER_SLICE      ///< | according to SlicesAssign    | need input of MB numbers each slice. In addition, if other constraint in SSliceArgument is presented, need to follow the constraints. Typically if MB num and slice size are both constrained, re-encoding may be involved.
-	SMSizelimitedSlice SliceModeEnum = C.SM_SIZELIMITED_SLICE ///< | according to SliceSize       | slicing according to size, the slicing will be dynamic(have no idea about slice_nums until encoding current frame)
-)
-
 // NewParams returns default openh264 codec specific parameters.
 func NewParams() (Params, error) {
 	return Params{
 		BaseParams: codec.BaseParams{
 			BitRate: 100000,
 		},
-		UsageType:           CameraVideoRealTime,
-		RCMode:              RCBitrateMode,
-		EnableFrameSkip:     true,
-		MaxNalSize:          0,
-		IntraPeriod:         30,
-		MultipleThreadIdc:   0, // Defaults to 0, so that it'll automatically use multi threads when needed
-		SliceNum:            1, // Defaults to single NAL unit mode
-		SliceMode:           SMSizelimitedSlice,
-		SliceSizeConstraint: 12800,
 	}, nil
 }

--- a/pkg/codec/opus/lib/libopus-darwin-arm64.a
+++ b/pkg/codec/opus/lib/libopus-darwin-arm64.a
--- a/pkg/codec/opus/opus.go
+++ b/pkg/codec/opus/opus.go
@@ -3,8 +3,6 @@ package opus
 import (
 	"errors"
 	"fmt"
-	"io"
-	"sync"

 	"github.com/pion/mediadevices/pkg/codec"
 	"github.com/pion/mediadevices/pkg/io/audio"
@@ -16,7 +14,7 @@ import (
 /*
 #include <opus.h>

-int pion_set_encoder_bitrate(OpusEncoder *e, opus_int32 bitrate)
+int bridge_encoder_set_bitrate(OpusEncoder *e, opus_int32 bitrate)
 {
 	return opus_encoder_ctl(e, OPUS_SET_BITRATE(bitrate));
 }
@@ -27,8 +25,6 @@ type encoder struct {
 	inBuff wave.Audio
 	reader audio.Reader
 	engine *C.OpusEncoder
-
-	mu sync.Mutex
 }

 func newEncoder(r audio.Reader, p prop.Media, params Params) (codec.ReadCloser, error) {
@@ -83,12 +79,6 @@ func (e *encoder) Read() ([]byte, func(), error) {
 		return nil, func() {}, err
 	}

-	e.mu.Lock()
-	defer e.mu.Unlock()
-	if e.engine == nil {
-		return nil, nil, io.EOF
-	}
-
 	encoded := make([]byte, 1024)
 	var n C.opus_int32
 	switch b := buff.(type) {
@@ -120,7 +110,7 @@ func (e *encoder) Read() ([]byte, func(), error) {
 }

 func (e *encoder) SetBitRate(bitRate int) error {
-	cerror := C.pion_set_encoder_bitrate(
+	cerror := C.bridge_encoder_set_bitrate(
 		e.engine,
 		C.int(bitRate),
 	)
@@ -136,8 +126,6 @@ func (e *encoder) Controller() codec.EncoderController {
 }

 func (e *encoder) Close() error {
-	e.mu.Lock()
-	defer e.mu.Unlock()
 	if e.engine == nil {
 		return nil
 	}
--- a/pkg/codec/opus/opus_static.go
+++ b/pkg/codec/opus/opus_static.go
@@ -8,6 +8,5 @@ package opus
 //#cgo linux,arm64 LDFLAGS: ${SRCDIR}/lib/libopus-linux-arm64.a -lm
 //#cgo linux,amd64 LDFLAGS: ${SRCDIR}/lib/libopus-linux-x64.a -lm
 //#cgo darwin,amd64 LDFLAGS: ${SRCDIR}/lib/libopus-darwin-x64.a
-//#cgo darwin,arm64 LDFLAGS: ${SRCDIR}/lib/libopus-darwin-arm64.a
 //#cgo windows,amd64 LDFLAGS: ${SRCDIR}/lib/libopus-windows-x64.a
 import "C"
--- a/pkg/codec/opus/opus_test.go
+++ b/pkg/codec/opus/opus_test.go
@@ -57,23 +57,4 @@ func TestEncoder(t *testing.T) {
 			},
 		})
 	})
-	t.Run("ReadAfterClose", func(t *testing.T) {
-		p, err := NewParams()
-		if err != nil {
-			t.Fatal(err)
-		}
-		codectest.AudioEncoderReadAfterCloseTest(t, &p,
-			prop.Media{
-				Audio: prop.Audio{
-					SampleRate:   48000,
-					ChannelCount: 2,
-				},
-			},
-			wave.NewInt16Interleaved(wave.ChunkInfo{
-				Len:          960,
-				SamplingRate: 48000,
-				Channels:     2,
-			}),
-		)
-	})
 }
--- a/pkg/codec/vaapi/vaapi_test.go
+++ b/pkg/codec/vaapi/vaapi_test.go
@@ -65,25 +65,6 @@ func TestEncoder(t *testing.T) {
 					},
 				})
 			})
-			t.Run("ReadAfterClose", func(t *testing.T) {
-				p, err := factory()
-				if err != nil {
-					t.Fatal(err)
-				}
-				codectest.VideoEncoderReadAfterCloseTest(t, p,
-					prop.Media{
-						Video: prop.Video{
-							Width:       256,
-							Height:      144,
-							FrameFormat: frame.FormatI420,
-						},
-					},
-					image.NewYCbCr(
-						image.Rect(0, 0, 256, 144),
-						image.YCbCrSubsampleRatio420,
-					),
-				)
-			})
 		})
 	}
 }
--- a/pkg/codec/vaapi/vp8.go
+++ b/pkg/codec/vaapi/vp8.go
@@ -541,7 +541,7 @@ func (e *encoderVP8) Read() ([]byte, func(), error) {
 	return encoded, func() {}, err
 }

-func (e *encoderVP8) Controller() codec.EncoderController {
+func (e *encoder) Controller() codec.EncoderController {
 	return e
 }

--- a/pkg/codec/vaapi/vp8_test.go
+++ b/pkg/codec/vaapi/vp8_test.go
@@ -8,7 +8,7 @@ import (
 	"testing"
 )

-func TestVP8ShouldImplementBitRateControl(t *testing.T) {
+func TestShouldImplementBitRateControl(t *testing.T) {
 	t.SkipNow() // TODO: Implement bit rate control

 	e := &encoderVP8{}
@@ -17,7 +17,7 @@ func TestVP8ShouldImplementBitRateControl(t *testing.T) {
 	}
 }

-func TestVP8ShouldImplementKeyFrameControl(t *testing.T) {
+func TestShouldImplementKeyFrameControl(t *testing.T) {
 	t.SkipNow() // TODO: Implement key frame control

 	e := &encoderVP8{}
--- a/pkg/codec/vaapi/vp9.go
+++ b/pkg/codec/vaapi/vp9.go
@@ -476,7 +476,7 @@ func (e *encoderVP9) Read() ([]byte, func(), error) {
 	return encoded, func() {}, err
 }

-func (e *encoderVP9) Controller() codec.EncoderController {
+func (e *encoder) Controller() codec.EncoderController {
 	return e
 }

--- a/pkg/codec/vaapi/vp9_test.go
+++ b/pkg/codec/vaapi/vp9_test.go
@@ -3,12 +3,7 @@

 package vaapi

-import (
-	"github.com/pion/mediadevices/pkg/codec"
-	"testing"
-)
-
-func TestVP9ShouldImplementBitRateControl(t *testing.T) {
+func TestShouldImplementBitRateControl(t *testing.T) {
 	t.SkipNow() // TODO: Implement bit rate control

 	e := &encoderVP9{}
@@ -17,7 +12,7 @@ func TestVP9ShouldImplementBitRateControl(t *testing.T) {
 	}
 }

-func TestVP9ShouldImplementKeyFrameControl(t *testing.T) {
+func TestShouldImplementKeyFrameControl(t *testing.T) {
 	t.SkipNow() // TODO: Implement key frame control

 	e := &encoderVP9{}
--- a/pkg/codec/vpx/vpx_test.go
+++ b/pkg/codec/vpx/vpx_test.go
@@ -60,25 +60,6 @@ func TestEncoder(t *testing.T) {
 					},
 				})
 			})
-			t.Run("ReadAfterClose", func(t *testing.T) {
-				p, err := factory()
-				if err != nil {
-					t.Fatal(err)
-				}
-				codectest.VideoEncoderReadAfterCloseTest(t, p,
-					prop.Media{
-						Video: prop.Video{
-							Width:       256,
-							Height:      144,
-							FrameFormat: frame.FormatI420,
-						},
-					},
-					image.NewYCbCr(
-						image.Rect(0, 0, 256, 144),
-						image.YCbCrSubsampleRatio420,
-					),
-				)
-			})
 		})
 	}
 }
--- a/pkg/codec/x264/bridge.h
+++ b/pkg/codec/x264/bridge.h
@@ -18,7 +18,6 @@ typedef struct Encoder {
  x264_t *h;
  x264_picture_t pic_in;
  x264_param_t param;
-  int force_key_frame;
 } Encoder;

 Encoder *enc_new(x264_param_t param, char *preset, int *rc) {
@@ -86,14 +85,8 @@ Slice enc_encode(Encoder *e, uint8_t *y, uint8_t *cb, uint8_t *cr, int *rc) {
  e->pic_in.img.plane[0] = y;
  e->pic_in.img.plane[1] = cb;
  e->pic_in.img.plane[2] = cr;
-  if (e->force_key_frame) {
-    e->pic_in.i_type = X264_TYPE_IDR;
-  } else {
-    e->pic_in.i_type = X264_TYPE_AUTO;
-  }

  int frame_size = x264_encoder_encode(e->h, &nal, &i_nal, &e->pic_in, &pic_out);
-  e->force_key_frame = 0;
  Slice s = {.data_len = frame_size};
  if (frame_size <= 0) {
    *rc = ERR_ENCODE;
--- a/pkg/codec/x264/x264.go
+++ b/pkg/codec/x264/x264.go
@@ -124,14 +124,6 @@ func (e *encoder) Read() ([]byte, func(), error) {
 	return encoded, func() {}, err
 }

-// TODO: Implement bit rate control
-//var _ codec.BitRateController = (*encoder)(nil)
-
-func (e *encoder) ForceKeyFrame() error {
-	e.engine.force_key_frame = C.int(1)
-	return nil
-}
-
 func (e *encoder) Controller() codec.EncoderController {
 	return e
 }
--- a/pkg/codec/x264/x264_test.go
+++ b/pkg/codec/x264/x264_test.go
@@ -46,26 +46,6 @@ func TestEncoder(t *testing.T) {
 			},
 		})
 	})
-	t.Run("ReadAfterClose", func(t *testing.T) {
-		p, err := NewParams()
-		if err != nil {
-			t.Fatal(err)
-		}
-		p.BitRate = 200000
-		codectest.VideoEncoderReadAfterCloseTest(t, &p,
-			prop.Media{
-				Video: prop.Video{
-					Width:       256,
-					Height:      144,
-					FrameFormat: frame.FormatI420,
-				},
-			},
-			image.NewYCbCr(
-				image.Rect(0, 0, 256, 144),
-				image.YCbCrSubsampleRatio420,
-			),
-		)
-	})
 }

 func TestShouldImplementKeyFrameControl(t *testing.T) {
--- a/pkg/driver/camera/camera_darwin.go
+++ b/pkg/driver/camera/camera_darwin.go
@@ -13,7 +13,6 @@ import (
 type camera struct {
 	device  avfoundation.Device
 	session *avfoundation.Session
-	rcClose func()
 }

 func init() {
@@ -44,9 +43,6 @@ func (cam *camera) Open() error {
 }

 func (cam *camera) Close() error {
-	if cam.rcClose != nil {
-		cam.rcClose()
-	}
 	return cam.session.Close()
 }

@@ -60,7 +56,6 @@ func (cam *camera) VideoRecord(property prop.Media) (video.Reader, error) {
 	if err != nil {
 		return nil, err
 	}
-	cam.rcClose = rc.Close
 	r := video.ReaderFunc(func() (image.Image, func(), error) {
 		frame, _, err := rc.Read()
 		if err != nil {
--- a/pkg/driver/camera/camera_linux.go
+++ b/pkg/driver/camera/camera_linux.go
@@ -10,7 +10,6 @@ import (
 	"io"
 	"os"
 	"path/filepath"
-	"strconv"
 	"sync"

 	"github.com/blackjack/webcam"
@@ -134,19 +133,6 @@ func newCamera(path string) *camera {
 	return c
 }

-func getCameraReadTimeout() uint32 {
-	// default to 5 seconds
-	var readTimeoutSec uint32 = 5
-	if val, ok := os.LookupEnv("PION_MEDIADEVICES_CAMERA_READ_TIMEOUT"); ok {
-		if valInt, err := strconv.Atoi(val); err == nil {
-			if valInt > 0 {
-				readTimeoutSec = uint32(valInt)
-			}
-		}
-	}
-	return readTimeoutSec
-}
-
 func (c *camera) Open() error {
 	cam, err := webcam.Open(c.path)
 	if err != nil {
@@ -193,21 +179,12 @@ func (c *camera) VideoRecord(p prop.Media) (video.Reader, error) {
 		return nil, err
 	}

-	if p.FrameRate > 0 {
-		err = c.cam.SetFramerate(float32(p.FrameRate))
-		if err != nil {
-			return nil, err
-		}
-	}
-
 	if err := c.cam.StartStreaming(); err != nil {
 		return nil, err
 	}

 	cam := c.cam

-	readTimeoutSec := getCameraReadTimeout()
-
 	ctx, cancel := context.WithCancel(context.Background())
 	c.cancel = cancel
 	var buf []byte
@@ -223,7 +200,7 @@ func (c *camera) VideoRecord(p prop.Media) (video.Reader, error) {
 				return nil, func() {}, io.EOF
 			}

-			err := cam.WaitForFrame(readTimeoutSec)
+			err := cam.WaitForFrame(5) // 5 seconds
 			switch err.(type) {
 			case nil:
 			case *webcam.Timeout:
--- a/pkg/driver/camera/camera_linux_test.go
+++ b/pkg/driver/camera/camera_linux_test.go
@@ -70,31 +70,3 @@ func TestDiscover(t *testing.T) {
 		t.Errorf("Expected label: %s, got: %s", expectedNoLink, label)
 	}
 }
-
-func TestGetCameraReadTimeout(t *testing.T) {
-	var expected uint32 = 5
-	value := getCameraReadTimeout()
-	if value != expected {
-		t.Errorf("Expected: %d, got: %d", expected, value)
-	}
-
-	envVarName := "PION_MEDIADEVICES_CAMERA_READ_TIMEOUT"
-	os.Setenv(envVarName, "text")
-	value = getCameraReadTimeout()
-	if value != expected {
-		t.Errorf("Expected: %d, got: %d", expected, value)
-	}
-
-	os.Setenv(envVarName, "-1")
-	value = getCameraReadTimeout()
-	if value != expected {
-		t.Errorf("Expected: %d, got: %d", expected, value)
-	}
-
-	os.Setenv(envVarName, "1")
-	expected = 1
-	value = getCameraReadTimeout()
-	if value != expected {
-		t.Errorf("Expected: %d, got: %d", expected, value)
-	}
-}
--- a/pkg/driver/camera/camera_windows.cpp
+++ b/pkg/driver/camera/camera_windows.cpp
@@ -76,7 +76,6 @@ int listCamera(cameraList* list, const char** errstr)
    {
      list->name[i] = getCameraName(moniker);
      moniker->Release();
-      i++;
    }
  }

--- a/pkg/driver/microphone/microphone.go
+++ b/pkg/driver/microphone/microphone.go
@@ -1,12 +1,10 @@
 package microphone

 import (
-	"context"
 	"encoding/binary"
 	"errors"
 	"fmt"
 	"io"
-	"sync"
 	"time"
 	"unsafe"

@@ -34,8 +32,7 @@ var (

 type microphone struct {
 	malgo.DeviceInfo
-	chunkChan       chan []byte
-	deviceCloseFunc func()
+	chunkChan chan []byte
 }

 func init() {
@@ -90,8 +87,9 @@ func (m *microphone) Open() error {
 }

 func (m *microphone) Close() error {
-	if m.deviceCloseFunc != nil {
-		m.deviceCloseFunc()
+	if m.chunkChan != nil {
+		close(m.chunkChan)
+		m.chunkChan = nil
 	}
 	return nil
 }
@@ -113,9 +111,6 @@ func (m *microphone) AudioRecord(inputProp prop.Media) (audio.Reader, error) {
 	config.PerformanceProfile = malgo.LowLatency
 	config.Capture.Channels = uint32(inputProp.ChannelCount)
 	config.SampleRate = uint32(inputProp.SampleRate)
-	config.PeriodSizeInMilliseconds = uint32(inputProp.Latency.Milliseconds())
-	//FIX: Turn on the microphone with the current device id
-	config.Capture.DeviceID = m.ID.Pointer()
 	if inputProp.SampleSize == 4 && inputProp.IsFloat {
 		config.Capture.Format = malgo.FormatF32
 	} else if inputProp.SampleSize == 2 && !inputProp.IsFloat {
@@ -124,44 +119,26 @@ func (m *microphone) AudioRecord(inputProp prop.Media) (audio.Reader, error) {
 		return nil, errUnsupportedFormat
 	}

-	cancelCtx, cancel := context.WithCancel(context.Background())
 	onRecvChunk := func(_, chunk []byte, framecount uint32) {
-		select {
-		case <-cancelCtx.Done():
-		case m.chunkChan <- chunk:
-		}
+		m.chunkChan <- chunk
 	}
 	callbacks.Data = onRecvChunk

 	device, err := malgo.InitDevice(ctx.Context, config, callbacks)
 	if err != nil {
-		cancel()
 		return nil, err
 	}

 	err = device.Start()
 	if err != nil {
-		cancel()
 		return nil, err
 	}

-	var closeDeviceOnce sync.Once
-	m.deviceCloseFunc = func() {
-		closeDeviceOnce.Do(func() {
-			cancel() // Unblock onRecvChunk
-			device.Uninit()
-
-			if m.chunkChan != nil {
-				close(m.chunkChan)
-				m.chunkChan = nil
-			}
-		})
-	}
-
 	var reader audio.Reader = audio.ReaderFunc(func() (wave.Audio, func(), error) {
 		chunk, ok := <-m.chunkChan
 		if !ok {
-			m.deviceCloseFunc()
+			device.Stop()
+			device.Uninit()
 			return nil, func() {}, io.EOF
 		}

@@ -191,32 +168,36 @@ func (m *microphone) Properties() []prop.Media {
 		isBigEndian = true
 	}

-	for _, format := range m.Formats {
+	for ch := m.MinChannels; ch <= m.MaxChannels; ch++ {
 		// FIXME: Currently support 48kHz only. We need to implement a resampler first.
 		// for sampleRate := m.MinSampleRate; sampleRate <= m.MaxSampleRate; sampleRate += sampleRateStep {
 		sampleRate := 48000
-		supportedProp := prop.Media{
-			Audio: prop.Audio{
-				ChannelCount: int(format.Channels),
-				SampleRate:   int(sampleRate),
-				IsBigEndian:  isBigEndian,
-				// miniaudio only supports interleaved at the moment
-				IsInterleaved: true,
-				// FIXME: should change this to a less discrete value
-				Latency: time.Millisecond * 20,
-			},
-		}
+		for i := 0; i < int(m.FormatCount); i++ {
+			format := m.Formats[i]

-		switch malgo.FormatType(format.Format) {
-		case malgo.FormatF32:
-			supportedProp.SampleSize = 4
-			supportedProp.IsFloat = true
-		case malgo.FormatS16:
-			supportedProp.SampleSize = 2
-			supportedProp.IsFloat = false
-		}
+			supportedProp := prop.Media{
+				Audio: prop.Audio{
+					ChannelCount: int(ch),
+					SampleRate:   int(sampleRate),
+					IsBigEndian:  isBigEndian,
+					// miniaudio only supports interleaved at the moment
+					IsInterleaved: true,
+					// FIXME: should change this to a less discrete value
+					Latency: time.Millisecond * 20,
+				},
+			}

-		supportedProps = append(supportedProps, supportedProp)
+			switch malgo.FormatType(format) {
+			case malgo.FormatF32:
+				supportedProp.SampleSize = 4
+				supportedProp.IsFloat = true
+			case malgo.FormatS16:
+				supportedProp.SampleSize = 2
+				supportedProp.IsFloat = false
+			}
+
+			supportedProps = append(supportedProps, supportedProp)
+		}
 		// }
 	}
 	return supportedProps
--- a/pkg/driver/videotest/dummy.go
+++ b/pkg/driver/videotest/dummy.go
@@ -47,6 +47,10 @@ func (d *dummy) Close() error {
 }

 func (d *dummy) VideoRecord(p prop.Media) (video.Reader, error) {
+	if p.FrameRate == 0 {
+		p.FrameRate = 30
+	}
+
 	colors := [][3]byte{
 		{235, 128, 128},
 		{210, 16, 146},
@@ -139,7 +143,6 @@ func (d dummy) Properties() []prop.Media {
 				Width:       640,
 				Height:      480,
 				FrameFormat: frame.FormatYUYV,
-				FrameRate:   30,
 			},
 		},
 	}
--- a/pkg/driver/vncdriver/vnc/encoding.go
+++ b/pkg/driver/vncdriver/vnc/encoding.go
@@ -18,32 +18,13 @@ type Encoding interface {
 	// the proper data.
 	Read(*ClientConn, *Rectangle, io.Reader) (Encoding, error)
 }
-type CursorEncoding struct {
-}
-
-func (*CursorEncoding) Type() int32 {
-	return -239
-}
-func (*CursorEncoding) Read(c *ClientConn, rect *Rectangle, r io.Reader) (Encoding, error) {
-	size := int(rect.Height) * int(rect.Width) * int(c.PixelFormat.BPP) / 8
-	pixelBytes := make([]uint8, size)
-	if _, err := io.ReadFull(r, pixelBytes); err != nil {
-		return nil, err
-	}
-	mask := ((int(rect.Width) + 7) / 8) * int(rect.Height)
-	maskBytes := make([]uint8, mask)
-	if _, err := io.ReadFull(r, maskBytes); err != nil {
-		return nil, err
-	}
-	return &CursorEncoding{}, nil
-}

 // RawEncoding is raw pixel data sent by the server.
 //
 // See RFC 6143 Section 7.7.1
 type RawEncoding struct {
-	Colors   []Color
-	RawPixel []uint32 //RGBA
+	Colors []Color
+	RawPixel []uint32	//RGBA
 }

 func (*RawEncoding) Type() int32 {
@@ -51,7 +32,6 @@ func (*RawEncoding) Type() int32 {
 }

 func (*RawEncoding) Read(c *ClientConn, rect *Rectangle, r io.Reader) (Encoding, error) {
-	//fmt.Println("RawEncoding")
 	bytesPerPixel := c.PixelFormat.BPP / 8
 	pixelBytes := make([]uint8, bytesPerPixel)

@@ -61,7 +41,7 @@ func (*RawEncoding) Read(c *ClientConn, rect *Rectangle, r io.Reader) (Encoding,
 	}

 	colors := make([]Color, int(rect.Height)*int(rect.Width))
-	rawPixels := make([]uint32, int(rect.Height)*int(rect.Width))
+	rawPixels:=make([]uint32,int(rect.Height)*int(rect.Width))
 	for y := uint16(0); y < rect.Height; y++ {
 		for x := uint16(0); x < rect.Width; x++ {
 			if _, err := io.ReadFull(r, pixelBytes); err != nil {
@@ -82,30 +62,24 @@ func (*RawEncoding) Read(c *ClientConn, rect *Rectangle, r io.Reader) (Encoding,
 				color.R = uint16((rawPixel >> c.PixelFormat.RedShift) & uint32(c.PixelFormat.RedMax))
 				color.G = uint16((rawPixel >> c.PixelFormat.GreenShift) & uint32(c.PixelFormat.GreenMax))
 				color.B = uint16((rawPixel >> c.PixelFormat.BlueShift) & uint32(c.PixelFormat.BlueMax))
-				if c.PixelFormat.BPP == 16 {
-					color.B = color.B<<3 | color.B>>2
-					color.G = color.G<<2 | color.G>>2
-					color.R = color.R<<3 | color.R>>2
-				}
 			} else {
 				*color = c.ColorMap[rawPixel]
 			}
-			rawPixels[int(y)*int(rect.Width)+int(x)] = uint32(0xff)<<24 | uint32(color.B)<<16 | uint32(color.G)<<8 | uint32(color.R)
+			rawPixels[int(y)*int(rect.Width)+int(x)]=uint32(color.B)<<16 | uint32(color.G)<<8 | uint32(color.R)
 			//fmt.Printf("%x %x",rawPixel,rawPixels[int(y)*int(rect.Width)+int(x)])
 		}
 	}

-	return &RawEncoding{colors, rawPixels}, nil
+	return &RawEncoding{colors,rawPixels}, nil
 }
-
 // ZlibEncoding is raw pixel data sent by the server compressed by Zlib.
 //
 // A single Zlib stream is created. There is only a single header for a framebuffer request response.
 type ZlibEncoding struct {
-	Colors   []Color
-	RawPixel []uint32
-	ZStream  *bytes.Buffer
-	ZReader  io.ReadCloser
+	Colors  []Color
+	RawPixel[] uint32
+	ZStream *bytes.Buffer
+	ZReader io.ReadCloser
 }

 func (*ZlibEncoding) Type() int32 {
@@ -113,7 +87,6 @@ func (*ZlibEncoding) Type() int32 {
 }

 func (ze *ZlibEncoding) Read(c *ClientConn, rect *Rectangle, r io.Reader) (Encoding, error) {
-	//fmt.Println("ZlibEncoding")
 	bytesPerPixel := c.PixelFormat.BPP / 8
 	pixelBytes := make([]uint8, bytesPerPixel)

@@ -125,6 +98,7 @@ func (ze *ZlibEncoding) Read(c *ClientConn, rect *Rectangle, r io.Reader) (Encod
 	// Format
 	// 4 bytes        | uint32 | length
 	// 'length' bytes | []byte | zlibData
+
 	// Read zlib length
 	var zipLength uint32
 	err := binary.Read(r, binary.BigEndian, &zipLength)
@@ -172,7 +146,7 @@ func (ze *ZlibEncoding) Read(c *ClientConn, rect *Rectangle, r io.Reader) (Encod
 	colorReader := bytes.NewReader(colorBytes)

 	colors := make([]Color, int(rect.Height)*int(rect.Width))
-	rawPixels := make([]uint32, int(rect.Height)*int(rect.Width))
+	rawPixels:=make([]uint32,int(rect.Height)*int(rect.Width))
 	for y := uint16(0); y < rect.Height; y++ {
 		for x := uint16(0); x < rect.Width; x++ {
 			if _, err := io.ReadFull(colorReader, pixelBytes); err != nil {
@@ -193,19 +167,14 @@ func (ze *ZlibEncoding) Read(c *ClientConn, rect *Rectangle, r io.Reader) (Encod
 				color.R = uint16((rawPixel >> c.PixelFormat.RedShift) & uint32(c.PixelFormat.RedMax))
 				color.G = uint16((rawPixel >> c.PixelFormat.GreenShift) & uint32(c.PixelFormat.GreenMax))
 				color.B = uint16((rawPixel >> c.PixelFormat.BlueShift) & uint32(c.PixelFormat.BlueMax))
-				if c.PixelFormat.BPP == 16 {
-					color.B = color.B<<3 | color.B>>2
-					color.G = color.G<<2 | color.G>>2
-					color.R = color.R<<3 | color.R>>2
-				}
 			} else {
 				*color = c.ColorMap[rawPixel]
 			}
-			rawPixels[int(y)*int(rect.Width)+int(x)] = uint32(0xff)<<24 | uint32(color.B)<<16 | uint32(color.G)<<8 | uint32(color.R)
+			rawPixels[int(y)*int(rect.Width)+int(x)]=uint32(color.B)<<16 | uint32(color.G)<<8 | uint32(color.R)
 		}
 	}

-	return &ZlibEncoding{Colors: colors, RawPixel: rawPixels}, nil
+	return &ZlibEncoding{Colors: colors,RawPixel: rawPixels}, nil
 }

 func (ze *ZlibEncoding) Close() {
@@ -214,4 +183,4 @@ func (ze *ZlibEncoding) Close() {
 		ze.ZReader.Close()
 		ze.ZReader = nil
 	}
-}
+}
--- a/pkg/driver/vncdriver/vncdriver.go
+++ b/pkg/driver/vncdriver/vncdriver.go
@@ -5,14 +5,13 @@ import (
 	"context"
 	"encoding/binary"
 	"fmt"
+	"github.com/pion/mediadevices/pkg/driver/vncdriver/vnc"
 	"image"
 	"io"
 	"net"
 	"sync"
 	"time"

-	"github.com/pion/mediadevices/pkg/driver/vncdriver/vnc"
-
 	"github.com/pion/mediadevices/pkg/frame"
 	"github.com/pion/mediadevices/pkg/io/video"
 	"github.com/pion/mediadevices/pkg/prop"
@@ -33,12 +32,12 @@ func NewVnc(vncAddr string) *vncDevice {
 	return &vncDevice{vncAddr: vncAddr}
 }
 func (d *vncDevice) PointerEvent(mask uint8, x, y uint16) {
-	if d.vClient != nil {
+	if d.vClient!=nil{
 		d.vClient.PointerEvent(vnc.ButtonMask(mask), x, y)
 	}
 }
 func (d *vncDevice) KeyEvent(keysym uint32, down bool) {
-	if d.vClient != nil {
+	if d.vClient!=nil {
 		d.vClient.KeyEvent(keysym, down)
 	}
 }
@@ -50,10 +49,7 @@ func (d *vncDevice) Open() error {
 	d.closed = ctx.Done()
 	d.cancel = cancel
 	msg := make(chan vnc.ServerMessage, 1)
-	//auth:=new(vnc.PasswordAuth)
-	//auth.Password="####"
 	conf := vnc.ClientConfig{
-		//Auth: []vnc.ClientAuth{auth},
 		ServerMessageCh: msg,
 		Exclusive:       false,
 	}
@@ -70,7 +66,6 @@ func (d *vncDevice) Open() error {
 	d.vClient.SetEncodings([]vnc.Encoding{
 		&vnc.ZlibEncoding{},
 		&vnc.RawEncoding{},
-		&vnc.CursorEncoding{},
 	})
 	d.w = int(d.vClient.FrameBufferWidth)
 	d.h = int(d.vClient.FrameBufferHeight)
@@ -94,9 +89,6 @@ func (d *vncDevice) Open() error {
 					for _, rect := range t.Rectangles {
 						var pix []uint32
 						switch t := rect.Enc.(type) {
-						case *vnc.CursorEncoding:
-							//ignore remote cursor messages
-							continue
 						case *vnc.RawEncoding:
 							pix = t.RawPixel
 						case *vnc.ZlibEncoding:
@@ -105,16 +97,19 @@ func (d *vncDevice) Open() error {
 						for y := int(rect.Y); y < int(rect.Height+rect.Y); y++ {
 							for x := int(rect.X); x < int(rect.Width+rect.X); x++ {
 								binary.LittleEndian.PutUint32(d.rawPixel[(y*d.w+x)*4:], pix[(y-int(rect.Y))*int(rect.Width)+(x-int(rect.X))])
+								//BigEndian
 							}
 						}

 					}
+					//time.Sleep(33 * time.Millisecond)
 					d.vClient.FramebufferUpdateRequest(true, 0, 0, uint16(d.w), uint16(d.h))
 					break
 				default:

 				}
 			case <-time.After(10 * time.Second):
+				//fmt.Println("Timeout FramebufferUpdate")
 				if d.vClient.FramebufferUpdateRequest(true, 0, 0, uint16(d.w), uint16(d.h)) != nil {
 					d.cancel()
 					return
@@ -142,12 +137,13 @@ func (d *vncDevice) Close() error {

 func (d *vncDevice) VideoRecord(p prop.Media) (video.Reader, error) {
 	if p.FrameRate == 0 {
-		p.FrameRate = 30
+		p.FrameRate = 15
 	}

 	tick := time.NewTicker(time.Duration(float32(time.Second) / p.FrameRate))
 	d.tick = tick
 	closed := d.closed
+	pixs := make([]byte, d.h*d.w*4)
 	r := video.ReaderFunc(func() (image.Image, func(), error) {
 		select {
 		case <-closed:
@@ -157,8 +153,9 @@ func (d *vncDevice) VideoRecord(p prop.Media) (video.Reader, error) {
 		}

 		<-tick.C
+		copy(pixs, d.rawPixel)
 		return &image.RGBA{
-			Pix:    d.rawPixel,
+			Pix:    pixs,
 			Stride: 4,
 			Rect:   image.Rect(0, 0, d.w, d.h),
 		}, func() {}, nil
--- a/pkg/io/broadcast.go
+++ b/pkg/io/broadcast.go
@@ -141,9 +141,7 @@ func (broadcaster *Broadcaster) NewReader(copyFn func(interface{}) interface{})
 			data, err, currentCount = ringData.data, ringData.err, ringData.count
 		}

-		if data != nil { // data is nil if an error occurred during reading
-			data = copyFn(data)
-		}
+		data = copyFn(data)
 		return
 	})
 }
--- a/pkg/io/video/broadcast_test.go
+++ b/pkg/io/video/broadcast_test.go
@@ -1,7 +1,6 @@
 package video

 import (
-	"errors"
 	"image"
 	"reflect"
 	"testing"
@@ -48,21 +47,3 @@ func TestBroadcast(t *testing.T) {
 		t.Fatal("Expected actual frame without copy to be the same with the original")
 	}
 }
-
-func TestBroadcastWithCopyOnReadError(t *testing.T) {
-	expectedError := errors.New("expected error")
-	source := ReaderFunc(func() (image.Image, func(), error) {
-		return nil, func() {}, expectedError
-	})
-
-	broadcaster := NewBroadcaster(source, nil)
-	readerWithCopy := broadcaster.NewReader(true)
-	actualWithCopy, _, err := readerWithCopy.Read()
-
-	if actualWithCopy != nil {
-		t.Fatal("Expected actual frame with copy to be nil")
-	}
-	if err != expectedError {
-		t.Fatal("Expected error to be the same")
-	}
-}
--- a/pkg/io/video/convert.go
+++ b/pkg/io/video/convert.go
@@ -73,15 +73,16 @@ func ToI420(r Reader) Reader {

 		// Covert pixel format to I420
 		switch yuvImg.SubsampleRatio {
-		case image.YCbCrSubsampleRatio420:
 		case image.YCbCrSubsampleRatio444:
-			yuvImg = i444ToI420(yuvImg)
+			i444ToI420(&yuvImg)
 		case image.YCbCrSubsampleRatio422:
-			yuvImg = i422ToI420(yuvImg)
+			i422ToI420(&yuvImg)
+		case image.YCbCrSubsampleRatio420:
 		default:
 			return nil, func() {}, fmt.Errorf("unsupported pixel format: %s", yuvImg.SubsampleRatio)
 		}

+		yuvImg.SubsampleRatio = image.YCbCrSubsampleRatio420
 		return &yuvImg, func() {}, nil
 	})
 }
--- a/pkg/io/video/convert_cgo.c
+++ b/pkg/io/video/convert_cgo.c
@@ -3,8 +3,6 @@
 #include "_cgo_export.h"

 void i444ToI420CGO(
-    unsigned char *cb_dst,
-    unsigned char *cr_dst,
    unsigned char* cb,
    unsigned char* cr,
    const int stride, const int h)
@@ -24,8 +22,8 @@ void i444ToI420CGO(
          ((uint16_t)cr[isrc0] + (uint16_t)cr[isrc1] +
           (uint16_t)cr[isrc0 + 1] + (uint16_t)cr[isrc1 + 1]) /
          4;
-      cb_dst[idst] = cb2;
-      cr_dst[idst] = cr2;
+      cb[idst] = cb2;
+      cr[idst] = cr2;
      isrc0 += 2;
      isrc1 += 2;
      idst++;
@@ -36,8 +34,6 @@ void i444ToI420CGO(
 }

 void i422ToI420CGO(
-    unsigned char *cb_dst,
-    unsigned char *cr_dst,
    unsigned char* cb,
    unsigned char* cr,
    const int stride, const int h)
@@ -50,8 +46,8 @@ void i422ToI420CGO(
    {
      const uint8_t cb2 = ((uint16_t)cb[isrc] + (uint16_t)cb[isrc + stride]) / 2;
      const uint8_t cr2 = ((uint16_t)cr[isrc] + (uint16_t)cr[isrc + stride]) / 2;
-      cb_dst[idst] = cb2;
-      cr_dst[idst] = cr2;
+      cb[idst] = cb2;
+      cr[idst] = cr2;
      isrc++;
      idst++;
    }
--- a/pkg/io/video/convert_cgo.go
+++ b/pkg/io/video/convert_cgo.go
@@ -1,4 +1,3 @@
-//go:build cgo
 // +build cgo

 package video
@@ -15,35 +14,27 @@ import "C"
 // All functions switched at runtime must be declared also in convert_nocgo.go.
 const hasCGOConvert = true

-func i444ToI420(img image.YCbCr) image.YCbCr {
+func i444ToI420(img *image.YCbCr) {
 	h := img.Rect.Dy()
-	cLen := img.CStride * h / 4
-	cbDst, crDst := make([]uint8, cLen), make([]uint8, cLen)
 	C.i444ToI420CGO(
-		(*C.uchar)(&cbDst[0]), (*C.uchar)(&crDst[0]),
 		(*C.uchar)(&img.Cb[0]), (*C.uchar)(&img.Cr[0]),
 		C.int(img.CStride), C.int(h),
 	)
 	img.CStride = img.CStride / 2
-	img.Cb = cbDst
-	img.Cr = crDst
-	img.SubsampleRatio = image.YCbCrSubsampleRatio420
-	return img
+	cLen := img.CStride * (h / 2)
+	img.Cb = img.Cb[:cLen]
+	img.Cr = img.Cr[:cLen]
 }

-func i422ToI420(img image.YCbCr) image.YCbCr {
+func i422ToI420(img *image.YCbCr) {
 	h := img.Rect.Dy()
-	cLen := img.CStride * (h / 2)
-	cbDst, crDst := make([]uint8, cLen), make([]uint8, cLen)
 	C.i422ToI420CGO(
-		(*C.uchar)(&cbDst[0]), (*C.uchar)(&crDst[0]),
 		(*C.uchar)(&img.Cb[0]), (*C.uchar)(&img.Cr[0]),
 		C.int(img.CStride), C.int(h),
 	)
-	img.Cb = cbDst
-	img.Cr = crDst
-	img.SubsampleRatio = image.YCbCrSubsampleRatio420
-	return img
+	cLen := img.CStride * (h / 2)
+	img.Cb = img.Cb[:cLen]
+	img.Cr = img.Cr[:cLen]
 }

 func rgbToYCbCrCGO(y, cb, cr *uint8, r, g, b uint8) { // For testing
--- a/pkg/io/video/convert_cgo.h
+++ b/pkg/io/video/convert_cgo.h
@@ -1,13 +1,9 @@
 void i444ToI420CGO(
-    unsigned char *cb_dst,
-    unsigned char *cr_dst,
    unsigned char* cb,
    unsigned char* cr,
    const int stride, const int h);

 void i422ToI420CGO(
-    unsigned char *cb_dst,
-    unsigned char *cr_dst,
    unsigned char* cb,
    unsigned char* cr,
    const int stride, const int h);
--- a/pkg/io/video/convert_nocgo.go
+++ b/pkg/io/video/convert_nocgo.go
@@ -1,4 +1,3 @@
-//go:build !cgo
 // +build !cgo

 package video
@@ -10,22 +9,19 @@ import (

 const hasCGOConvert = false

-func i444ToI420(img image.YCbCr) image.YCbCr {
+func i444ToI420(img *image.YCbCr) {
 	h := img.Rect.Dy()
 	addrSrc0 := 0
 	addrSrc1 := img.CStride
-	cLen := img.CStride * (h / 2)
 	addrDst := 0
-	cbDst, crDst := make([]uint8, cLen), make([]uint8, cLen)
-
 	for i := 0; i < h/2; i++ {
 		for j := 0; j < img.CStride/2; j++ {
 			cb := uint16(img.Cb[addrSrc0]) + uint16(img.Cb[addrSrc1]) +
 				uint16(img.Cb[addrSrc0+1]) + uint16(img.Cb[addrSrc1+1])
 			cr := uint16(img.Cr[addrSrc0]) + uint16(img.Cr[addrSrc1]) +
 				uint16(img.Cr[addrSrc0+1]) + uint16(img.Cr[addrSrc1+1])
-			cbDst[addrDst] = uint8(cb / 4)
-			crDst[addrDst] = uint8(cr / 4)
+			img.Cb[addrDst] = uint8(cb / 4)
+			img.Cr[addrDst] = uint8(cr / 4)
 			addrSrc0 += 2
 			addrSrc1 += 2
 			addrDst++
@@ -34,34 +30,29 @@ func i444ToI420(img image.YCbCr) image.YCbCr {
 		addrSrc1 += img.CStride
 	}
 	img.CStride = img.CStride / 2
-	img.Cb = cbDst
-	img.Cr = crDst
-	img.SubsampleRatio = image.YCbCrSubsampleRatio420
-	return img
+	cLen := img.CStride * (h / 2)
+	img.Cb = img.Cb[:cLen]
+	img.Cr = img.Cr[:cLen]
 }

-func i422ToI420(img image.YCbCr) image.YCbCr {
+func i422ToI420(img *image.YCbCr) {
 	h := img.Rect.Dy()
 	addrSrc := 0
-	cLen := img.CStride * (h / 2)
-	cbDst, crDst := make([]uint8, cLen), make([]uint8, cLen)
 	addrDst := 0
-
 	for i := 0; i < h/2; i++ {
 		for j := 0; j < img.CStride; j++ {
 			cb := uint16(img.Cb[addrSrc]) + uint16(img.Cb[addrSrc+img.CStride])
 			cr := uint16(img.Cr[addrSrc]) + uint16(img.Cr[addrSrc+img.CStride])
-			cbDst[addrDst] = uint8(cb / 4)
-			crDst[addrDst] = uint8(cr / 4)
-			addrSrc++
+			img.Cb[addrDst] = uint8(cb / 2)
+			img.Cr[addrDst] = uint8(cr / 2)
 			addrDst++
+			addrSrc++
 		}
 		addrSrc += img.CStride
 	}
-	img.Cb = cbDst
-	img.Cr = crDst
-	img.SubsampleRatio = image.YCbCrSubsampleRatio420
-	return img
+	cLen := img.CStride * (h / 2)
+	img.Cb = img.Cb[:cLen]
+	img.Cr = img.Cr[:cLen]
 }

 func i444ToRGBA(dst *image.RGBA, src *image.YCbCr) {
--- a/pkg/io/video/convert_test.go
+++ b/pkg/io/video/convert_test.go
@@ -222,8 +222,8 @@ func BenchmarkToI420(b *testing.B) {
 			"RGBA": image.NewRGBA(image.Rect(0, 0, sz[0], sz[1])),
 		}
 		b.Run(name, func(b *testing.B) {
-			for _, name := range [...]string{"I444", "I422", "I420", "RGBA"} {
-				img := cases[name]
+			for name, img := range cases {
+				img := img
 				b.Run(name, func(b *testing.B) {
 					r := ToI420(ReaderFunc(func() (image.Image, func(), error) {
 						return img, func() {}, nil
--- a/pkg/io/video/scale.go
+++ b/pkg/io/video/scale.go
@@ -109,7 +109,7 @@ func Scale(width, height int, scaler Scaler) TransformFunc {
 			yDy := rect.Dy()
 			cRect := fixedRect(rect, i1.SubsampleRatio)
 			cDx := cRect.Dx()
-			cDy := cRect.Dy()
+			cDy := cRect.Dx()
 			yLen := yDx * yDy
 			cLen := cDx * cDy
 			if len(imgDst.Y) < yLen {
--- a/pkg/io/video/scale_test.go
+++ b/pkg/io/video/scale_test.go
@@ -36,32 +36,6 @@ func TestScale(t *testing.T) {
 				Rect:   image.Rect(0, 0, 2, 2),
 			},
 		},
-		"RGBASameSize": {
-			src: &image.RGBA{
-				Pix: []uint8{
-					// R     G     B     A |   R     G     B     A |   R     G     B     A |   R     G     B     A
-					0x80, 0x00, 0x00, 0xFF, 0x80, 0x00, 0x00, 0xFF, 0x00, 0x00, 0x00, 0xFF, 0x00, 0x00, 0x00, 0xFF,
-					0x80, 0x00, 0x00, 0xFF, 0x80, 0x00, 0x00, 0xFF, 0x00, 0x00, 0x00, 0xFF, 0x00, 0x00, 0x00, 0xFF,
-					0x00, 0x40, 0x00, 0xFF, 0x00, 0x40, 0x00, 0xFF, 0x00, 0x00, 0x60, 0xFF, 0x00, 0x00, 0x60, 0xFF,
-					0x00, 0x40, 0x00, 0xFF, 0x00, 0x40, 0x00, 0xFF, 0x00, 0x00, 0x60, 0xFF, 0x00, 0x00, 0x60, 0xFF,
-				},
-				Stride: 16,
-				Rect:   image.Rect(0, 0, 4, 4),
-			},
-			width:  4,
-			height: 4,
-			expected: &image.RGBA{
-				Pix: []uint8{
-					// R     G     B     A |   R     G     B     A |   R     G     B     A |   R     G     B     A
-					0x80, 0x00, 0x00, 0xFF, 0x80, 0x00, 0x00, 0xFF, 0x00, 0x00, 0x00, 0xFF, 0x00, 0x00, 0x00, 0xFF,
-					0x80, 0x00, 0x00, 0xFF, 0x80, 0x00, 0x00, 0xFF, 0x00, 0x00, 0x00, 0xFF, 0x00, 0x00, 0x00, 0xFF,
-					0x00, 0x40, 0x00, 0xFF, 0x00, 0x40, 0x00, 0xFF, 0x00, 0x00, 0x60, 0xFF, 0x00, 0x00, 0x60, 0xFF,
-					0x00, 0x40, 0x00, 0xFF, 0x00, 0x40, 0x00, 0xFF, 0x00, 0x00, 0x60, 0xFF, 0x00, 0x00, 0x60, 0xFF,
-				},
-				Stride: 16,
-				Rect:   image.Rect(0, 0, 4, 4),
-			},
-		},
 		"I444": {
 			src: &image.YCbCr{
 				SubsampleRatio: image.YCbCrSubsampleRatio444,
@@ -117,70 +91,6 @@ func TestScale(t *testing.T) {
 				Rect:    image.Rect(0, 0, 3, 3),
 			},
 		},
-		"I444SameSize": {
-			src: &image.YCbCr{
-				SubsampleRatio: image.YCbCrSubsampleRatio444,
-				Y: []uint8{
-					0xF0, 0xF0, 0x00, 0x00, 0x00, 0x00,
-					0xF0, 0xF0, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x40, 0x40,
-					0x00, 0x00, 0x00, 0x00, 0x40, 0x40,
-					0x00, 0x00, 0x80, 0x80, 0x00, 0x00,
-					0x00, 0x00, 0x80, 0x80, 0x00, 0x00,
-				},
-				Cb: []uint8{
-					0x20, 0x20, 0x80, 0x80, 0x80, 0x80,
-					0x20, 0x20, 0x80, 0x80, 0x80, 0x80,
-					0x80, 0x80, 0x80, 0x80, 0xC0, 0xC0,
-					0x80, 0x80, 0x80, 0x80, 0xC0, 0xC0,
-					0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
-					0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
-				},
-				Cr: []uint8{
-					0xE0, 0xE0, 0x80, 0x80, 0x80, 0x80,
-					0xE0, 0xE0, 0x80, 0x80, 0x80, 0x80,
-					0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
-					0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
-					0x80, 0x80, 0x40, 0x40, 0x80, 0x80,
-					0x80, 0x80, 0x40, 0x40, 0x80, 0x80,
-				},
-				YStride: 6,
-				CStride: 6,
-				Rect:    image.Rect(0, 0, 6, 6),
-			},
-			width:  6,
-			height: 6,
-			expected: &image.YCbCr{
-				SubsampleRatio: image.YCbCrSubsampleRatio444,
-				Y: []uint8{
-					0xF0, 0xF0, 0x00, 0x00, 0x00, 0x00,
-					0xF0, 0xF0, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x40, 0x40,
-					0x00, 0x00, 0x00, 0x00, 0x40, 0x40,
-					0x00, 0x00, 0x80, 0x80, 0x00, 0x00,
-					0x00, 0x00, 0x80, 0x80, 0x00, 0x00,
-				},
-				Cb: []uint8{
-					0x20, 0x20, 0x80, 0x80, 0x80, 0x80,
-					0x20, 0x20, 0x80, 0x80, 0x80, 0x80,
-					0x80, 0x80, 0x80, 0x80, 0xC0, 0xC0,
-					0x80, 0x80, 0x80, 0x80, 0xC0, 0xC0,
-					0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
-					0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
-				},
-				Cr: []uint8{
-					0xE0, 0xE0, 0x80, 0x80, 0x80, 0x80,
-					0xE0, 0xE0, 0x80, 0x80, 0x80, 0x80,
-					0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
-					0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
-					0x80, 0x80, 0x40, 0x40, 0x80, 0x80,
-					0x80, 0x80, 0x40, 0x40, 0x80, 0x80,
-				},
-				YStride: 6,
-				CStride: 6,
-				Rect:    image.Rect(0, 0, 6, 6),
-			},
-		},
 		"I422": {
 			src: &image.YCbCr{
 				SubsampleRatio: image.YCbCrSubsampleRatio422,
@@ -245,82 +155,6 @@ func TestScale(t *testing.T) {
 				Rect:    image.Rect(0, 0, 4, 4),
 			},
 		},
-		"I422SameSize": {
-			src: &image.YCbCr{
-				SubsampleRatio: image.YCbCrSubsampleRatio422,
-				Y: []uint8{
-					0xF0, 0xF0, 0x10, 0x10, 0x00, 0x00, 0x00, 0x00,
-					0xF0, 0xF0, 0x10, 0x10, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x40, 0x40, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x40, 0x40, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x80, 0x80, 0x30, 0x30, 0x00, 0x00,
-					0x00, 0x00, 0x80, 0x80, 0x30, 0x30, 0x00, 0x00,
-				},
-				Cb: []uint8{
-					0x20, 0x20, 0x80, 0x80,
-					0x20, 0x20, 0x80, 0x80,
-					0x80, 0x80, 0x80, 0x80,
-					0x80, 0x80, 0x80, 0x80,
-					0x80, 0x80, 0x80, 0x80,
-					0x80, 0x80, 0x80, 0x80,
-					0x80, 0x80, 0xE0, 0xE0,
-					0x80, 0x80, 0xE0, 0xE0,
-				},
-				Cr: []uint8{
-					0xE0, 0xE0, 0x80, 0x80,
-					0xE0, 0xE0, 0x80, 0x80,
-					0x80, 0x80, 0x80, 0x80,
-					0x80, 0x80, 0x80, 0x80,
-					0x80, 0x80, 0x80, 0x80,
-					0x80, 0x80, 0x80, 0x80,
-					0xF0, 0xF0, 0x40, 0x40,
-					0xF0, 0xF0, 0x40, 0x40,
-				},
-				YStride: 8,
-				CStride: 4,
-				Rect:    image.Rect(0, 0, 8, 8),
-			},
-			width:  8,
-			height: 8,
-			expected: &image.YCbCr{
-				SubsampleRatio: image.YCbCrSubsampleRatio422,
-				Y: []uint8{
-					0xF0, 0xF0, 0x10, 0x10, 0x00, 0x00, 0x00, 0x00,
-					0xF0, 0xF0, 0x10, 0x10, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x40, 0x40, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x40, 0x40, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x80, 0x80, 0x30, 0x30, 0x00, 0x00,
-					0x00, 0x00, 0x80, 0x80, 0x30, 0x30, 0x00, 0x00,
-				},
-				Cb: []uint8{
-					0x20, 0x20, 0x80, 0x80,
-					0x20, 0x20, 0x80, 0x80,
-					0x80, 0x80, 0x80, 0x80,
-					0x80, 0x80, 0x80, 0x80,
-					0x80, 0x80, 0x80, 0x80,
-					0x80, 0x80, 0x80, 0x80,
-					0x80, 0x80, 0xE0, 0xE0,
-					0x80, 0x80, 0xE0, 0xE0,
-				},
-				Cr: []uint8{
-					0xE0, 0xE0, 0x80, 0x80,
-					0xE0, 0xE0, 0x80, 0x80,
-					0x80, 0x80, 0x80, 0x80,
-					0x80, 0x80, 0x80, 0x80,
-					0x80, 0x80, 0x80, 0x80,
-					0x80, 0x80, 0x80, 0x80,
-					0xF0, 0xF0, 0x40, 0x40,
-					0xF0, 0xF0, 0x40, 0x40,
-				},
-				YStride: 8,
-				CStride: 4,
-				Rect:    image.Rect(0, 0, 8, 8),
-			},
-		},
 		"I420": {
 			src: &image.YCbCr{
 				SubsampleRatio: image.YCbCrSubsampleRatio420,
@@ -373,118 +207,6 @@ func TestScale(t *testing.T) {
 				Rect:    image.Rect(0, 0, 4, 4),
 			},
 		},
-		"I420SameSize": {
-			src: &image.YCbCr{
-				SubsampleRatio: image.YCbCrSubsampleRatio420,
-				Y: []uint8{
-					0xF0, 0xF0, 0x10, 0x10, 0x00, 0x00, 0x00, 0x00,
-					0xF0, 0xF0, 0x10, 0x10, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x40, 0x40, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x40, 0x40, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x80, 0x80, 0x30, 0x30, 0x00, 0x00,
-					0x00, 0x00, 0x80, 0x80, 0x30, 0x30, 0x00, 0x00,
-				},
-				Cb: []uint8{
-					0x20, 0x20, 0x80, 0x80,
-					0x20, 0x20, 0x80, 0x80,
-					0x80, 0x80, 0xE0, 0xE0,
-					0x80, 0x80, 0xE0, 0xE0,
-				},
-				Cr: []uint8{
-					0xE0, 0xE0, 0x80, 0x80,
-					0xE0, 0xE0, 0x80, 0x80,
-					0xF0, 0xF0, 0x40, 0x40,
-					0xF0, 0xF0, 0x40, 0x40,
-				},
-				YStride: 8,
-				CStride: 4,
-				Rect:    image.Rect(0, 0, 8, 8),
-			},
-			width:  8,
-			height: 8,
-			expected: &image.YCbCr{
-				SubsampleRatio: image.YCbCrSubsampleRatio420,
-				Y: []uint8{
-					0xF0, 0xF0, 0x10, 0x10, 0x00, 0x00, 0x00, 0x00,
-					0xF0, 0xF0, 0x10, 0x10, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x40, 0x40, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x40, 0x40, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x80, 0x80, 0x30, 0x30, 0x00, 0x00,
-					0x00, 0x00, 0x80, 0x80, 0x30, 0x30, 0x00, 0x00,
-				},
-				Cb: []uint8{
-					0x20, 0x20, 0x80, 0x80,
-					0x20, 0x20, 0x80, 0x80,
-					0x80, 0x80, 0xE0, 0xE0,
-					0x80, 0x80, 0xE0, 0xE0,
-				},
-				Cr: []uint8{
-					0xE0, 0xE0, 0x80, 0x80,
-					0xE0, 0xE0, 0x80, 0x80,
-					0xF0, 0xF0, 0x40, 0x40,
-					0xF0, 0xF0, 0x40, 0x40,
-				},
-				YStride: 8,
-				CStride: 4,
-				Rect:    image.Rect(0, 0, 8, 8),
-			},
-		},
-		"I420NonSquareImage": {
-			src: &image.YCbCr{
-				SubsampleRatio: image.YCbCrSubsampleRatio420,
-				Y: []uint8{
-					0xF0, 0xF0, 0x10, 0x10, 0x00, 0x00, 0x00, 0x00, 0xF0, 0xF0, 0x10, 0x10,
-					0xF0, 0xF0, 0x10, 0x10, 0x00, 0x00, 0x00, 0x00, 0xF0, 0xF0, 0x10, 0x10,
-					0x00, 0x00, 0x00, 0x00, 0x40, 0x40, 0x00, 0x00, 0x40, 0x40, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x40, 0x40, 0x00, 0x00, 0x40, 0x40, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x80, 0x80, 0x30, 0x30, 0x00, 0x00, 0x30, 0x30, 0x00, 0x00,
-					0x00, 0x00, 0x80, 0x80, 0x30, 0x30, 0x00, 0x00, 0x30, 0x30, 0x00, 0x00,
-				},
-				Cb: []uint8{
-					0x20, 0x20, 0x80, 0x80, 0x50, 0x50,
-					0x20, 0x20, 0x80, 0x80, 0x50, 0x50,
-					0x80, 0x80, 0xE0, 0xE0, 0x30, 0x30,
-					0x80, 0x80, 0xE0, 0xE0, 0x30, 0x30,
-				},
-				Cr: []uint8{
-					0xE0, 0xE0, 0x80, 0x80, 0xB0, 0xB0,
-					0xE0, 0xE0, 0x80, 0x80, 0xB0, 0xB0,
-					0xF0, 0xF0, 0x40, 0x40, 0xC0, 0xC0,
-					0xF0, 0xF0, 0x40, 0x40, 0xC0, 0xC0,
-				},
-				YStride: 12,
-				CStride: 6,
-				Rect:    image.Rect(0, 0, 12, 8),
-			},
-			width:  6,
-			height: 4,
-			expected: &image.YCbCr{
-				SubsampleRatio: image.YCbCrSubsampleRatio420,
-				Y: []uint8{
-					0xF0, 0x10, 0x00, 0x00, 0xF0, 0x10,
-					0x00, 0x00, 0x40, 0x00, 0x40, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x80, 0x30, 0x00, 0x30, 0x00,
-				},
-				Cb: []uint8{
-					0x20, 0x80, 0x50,
-					0x80, 0xE0, 0x30,
-				},
-				Cr: []uint8{
-					0xE0, 0x80, 0xB0,
-					0xF0, 0x40, 0xC0,
-				},
-				YStride: 6,
-				CStride: 3,
-				Rect:    image.Rect(0, 0, 6, 4),
-			},
-		},
 	}
 	for name, algo := range scalerTestAlgos {
 		algo := algo
@@ -525,100 +247,6 @@ func TestScale(t *testing.T) {
 	}
 }

-func TestScaleFastBoxSampling(t *testing.T) {
-	cases := map[string]struct {
-		src           image.Image
-		width, height int
-		expected      image.Image
-	}{
-		"I420NonSquareImage": {
-			src: &image.YCbCr{
-				SubsampleRatio: image.YCbCrSubsampleRatio420,
-				Y: []uint8{
-					0xF0, 0xF0, 0x10, 0x10, 0x00, 0x00, 0x00, 0x00, 0xF0, 0xF0, 0x10, 0x10,
-					0xF0, 0xF0, 0x10, 0x10, 0x00, 0x00, 0x00, 0x00, 0xF0, 0xF0, 0x10, 0x10,
-					0x00, 0x00, 0x00, 0x00, 0x40, 0x40, 0x00, 0x00, 0x40, 0x40, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x40, 0x40, 0x00, 0x00, 0x40, 0x40, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x00, 0x80, 0x80, 0x30, 0x30, 0x00, 0x00, 0x30, 0x30, 0x00, 0x00,
-					0x00, 0x00, 0x80, 0x80, 0x30, 0x30, 0x00, 0x00, 0x30, 0x30, 0x00, 0x00,
-				},
-				Cb: []uint8{
-					0x20, 0x20, 0x80, 0x80, 0x50, 0x50,
-					0x20, 0x20, 0x80, 0x80, 0x50, 0x50,
-					0x80, 0x80, 0xE0, 0xE0, 0x30, 0x30,
-					0x80, 0x80, 0xE0, 0xE0, 0x30, 0x30,
-				},
-				Cr: []uint8{
-					0xE0, 0xE0, 0x80, 0x80, 0xB0, 0xB0,
-					0xE0, 0xE0, 0x80, 0x80, 0xB0, 0xB0,
-					0xF0, 0xF0, 0x40, 0x40, 0xC0, 0xC0,
-					0xF0, 0xF0, 0x40, 0x40, 0xC0, 0xC0,
-				},
-				YStride: 12,
-				CStride: 6,
-				Rect:    image.Rect(0, 0, 12, 8),
-			},
-			width:  6,
-			height: 4,
-			expected: &image.YCbCr{
-				SubsampleRatio: image.YCbCrSubsampleRatio420,
-				Y: []uint8{
-					0xF0, 0x80, 0x08, 0x00, 0x78, 0x80,
-					0x08, 0x00, 0x20, 0x20, 0x20, 0x20,
-					0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-					0x00, 0x40, 0x58, 0x18, 0x18, 0x18,
-				},
-				Cb: []uint8{
-					0x20, 0x50, 0x68,
-					0x68, 0xB0, 0x88,
-				},
-				Cr: []uint8{
-					0xE0, 0xB0, 0x98,
-					0xD0, 0x98, 0x80,
-				},
-				YStride: 6,
-				CStride: 3,
-				Rect:    image.Rect(0, 0, 6, 4),
-			},
-		},
-	}
-
-	for name, c := range cases {
-		c := c
-		t.Run(name, func(t *testing.T) {
-			trans := Scale(c.width, c.height, ScalerFastBoxSampling)
-			r := trans(ReaderFunc(func() (image.Image, func(), error) {
-				return c.src, func() {}, nil
-			}))
-			for i := 0; i < 4; i++ {
-				out, _, err := r.Read()
-				if err != nil {
-					t.Fatalf("Unexpected error: %v", err)
-				}
-				if !reflect.DeepEqual(c.expected, out) {
-					t.Errorf("Expected output image:\n%v\ngot:\n%v\nrepeat: %d", c.expected, out, i)
-				}
-				// Destroy output contents
-				switch v := out.(type) {
-				case *image.RGBA:
-					v.Stride = 10
-					v.Pix = v.Pix[:1]
-					v.Rect.Max.X = 1
-				case *image.YCbCr:
-					v.YStride = 10
-					v.CStride = 100
-					v.Y = v.Y[:1]
-					v.Cb = v.Cb[:2]
-					v.Cr = v.Cr[:1]
-					v.Rect.Max.X = 1
-				}
-			}
-		})
-	}
-}
-
 func BenchmarkScale(b *testing.B) {
 	for name, algo := range scalerBenchAlgos {
 		algo := algo
--- a/pkg/io/video/scaler_cgo.c
+++ b/pkg/io/video/scaler_cgo.c
@@ -29,7 +29,7 @@ void fastBoxSampling(
    const int sw, const int sh, const int sstride,
    uint32_t* tmp)
 {
-  memset(tmp, 0, dw * dh * ch * sizeof(tmp[0]));
+  memset(tmp, 0, dw * dh * ch);

  for (int sy = 0; sy < sh; sy++)
  {
--- a/pkg/io/video/scaleycrcb.go
+++ b/pkg/io/video/scaleycrcb.go
@@ -30,18 +30,10 @@ func (p *rgbLikeYCbCr) At(x, y int) color.Color {
 }

 func (p *rgbLikeYCbCr) Set(x, y int, c color.Color) {
-	switch v := c.(type) {
-	case color.RGBA:
-		p.y.SetGray(x, y, color.Gray{v.R})
-		if (image.Point{x, y}.In(p.cb.Rect)) {
-			p.cb.SetGray(x, y, color.Gray{v.G})
-			p.cr.SetGray(x, y, color.Gray{v.B})
-		}
-	case *color.RGBA64:
-		p.y.SetGray(x, y, color.Gray{uint8(v.R / 0x100)})
-		if (image.Point{x, y}.In(p.cb.Rect)) {
-			p.cb.SetGray(x, y, color.Gray{uint8(v.G / 0x100)})
-			p.cr.SetGray(x, y, color.Gray{uint8(v.B / 0x100)})
-		}
+	rgb := c.(*color.RGBA64)
+	p.y.SetGray(x, y, color.Gray{uint8(rgb.R / 0x100)})
+	if (image.Point{x, y}.In(p.cb.Rect)) {
+		p.cb.SetGray(x, y, color.Gray{uint8(rgb.G / 0x100)})
+		p.cr.SetGray(x, y, color.Gray{uint8(rgb.B / 0x100)})
 	}
 }
--- a/pkg/prop/prop.go
+++ b/pkg/prop/prop.go
@@ -145,17 +145,13 @@ func (p *MediaConstraints) FitnessDistance(o Media) (float64, bool) {
 	cmps.add(p.Width, o.Width)
 	cmps.add(p.Height, o.Height)
 	cmps.add(p.FrameFormat, o.FrameFormat)
-	// The next line is comment out for now to not include framerate in the fitness function.
-	// As camera.Properties does not have access to the list of available framerate at the moment,
-	// no driver can be matched with a framerate constraint.
-	// Note this also affect screen caputre as screen.Properties does not fill in the Framerate field.
-	// cmps.add(p.FrameRate, o.FrameRate)
 	cmps.add(p.SampleRate, o.SampleRate)
 	cmps.add(p.Latency, o.Latency)
 	cmps.add(p.ChannelCount, o.ChannelCount)
 	cmps.add(p.IsBigEndian, o.IsBigEndian)
 	cmps.add(p.IsFloat, o.IsFloat)
 	cmps.add(p.IsInterleaved, o.IsInterleaved)
+
 	return cmps.fitnessDistance()
 }

--- a/pkg/wave/buffer_test.go
+++ b/pkg/wave/buffer_test.go
@@ -53,7 +53,7 @@ func TestBufferStoreCopyAndLoad(t *testing.T) {
 				for i := range cloneReal.Data {
 					if reflect.ValueOf(originalReal.Data[i]).Pointer() == reflect.ValueOf(cloneReal.Data[i]).Pointer() {
 						err := fmt.Errorf("Channel %d memory address should be different", i)
-						t.Errorf("%v: %s", errIdenticalAddress, err)
+						t.Errorf("%v: %w", errIdenticalAddress, err)
 					}
 				}
 			},
@@ -89,7 +89,7 @@ func TestBufferStoreCopyAndLoad(t *testing.T) {
 				for i := range cloneReal.Data {
 					if reflect.ValueOf(originalReal.Data[i]).Pointer() == reflect.ValueOf(cloneReal.Data[i]).Pointer() {
 						err := fmt.Errorf("Channel %d memory address should be different", i)
-						t.Errorf("%v: %s", errIdenticalAddress, err)
+						t.Errorf("%v: %w", errIdenticalAddress, err)
 					}
 				}
 			},
--- a/renovate.json
+++ b/renovate.json
@@ -11,16 +11,6 @@
    {
      "packagePatterns": ["^golang.org/x/"],
      "schedule": ["on the first day of the month"]
-    },
-    {
-      "description": "Disable updating minimum Go version: https://github.com/renovatebot/renovate/issues/16715",
-      "matchManagers": ["gomod"],
-      "matchDepTypes": ["golang"],
-      "enabled": false
    }
-  ],
-  "ignorePaths": [],
-  "ignoreDeps": [
-    "github.com/pion/mediadevices"
  ]
 }
--- a/track.go
+++ b/track.go
@@ -3,14 +3,12 @@ package mediadevices
 import (
 	"errors"
 	"fmt"
+	"github.com/pion/rtcp"
 	"image"
 	"io"
 	"strings"
 	"sync"

-	"github.com/pion/interceptor"
-	"github.com/pion/rtcp"
-
 	"github.com/google/uuid"
 	"github.com/pion/mediadevices/pkg/codec"
 	"github.com/pion/mediadevices/pkg/driver"
@@ -23,7 +21,6 @@ import (

 const (
 	rtpOutboundMTU = 1200
-	rtcpInboundMTU = 1500
 )

 var (
@@ -190,8 +187,7 @@ func (track *baseTrack) bind(ctx webrtc.TrackLocalContext, specializedTrack Trac
 			close(stopRead)
 			encodedReader.Close()

-			// When there's another call to unbind, it won't block since we remove the current ctx from active connections
-			track.removeActivePeerConnection(ctx.ID())
+			// When there's another call to unbind, it won't block since we mark the signalCh to be closed
 			close(signalCh)
 			if doneCh != nil {
 				close(doneCh)
@@ -224,55 +220,41 @@ func (track *baseTrack) bind(ctx webrtc.TrackLocalContext, specializedTrack Trac
 	keyFrameController, ok := encodedReader.Controller().(codec.KeyFrameController)
 	if ok {
 		stopRead = make(chan struct{})
-		go track.rtcpReadLoop(ctx.RTCPReader(), keyFrameController, stopRead)
+		go func() {
+			reader := ctx.ReadStream()
+			for {
+				select {
+				case <-stopRead:
+					return
+				default:
+				}
+
+				pkts, _, err := reader.ReadRTCP()
+				if err != nil {
+					track.onError(err)
+					return
+				}
+
+				for _, pkt := range pkts {
+					switch pkt.(type) {
+					case *rtcp.PictureLossIndication, *rtcp.FullIntraRequest:
+						if err := keyFrameController.ForceKeyFrame(); err != nil {
+							track.onError(err)
+							return
+						}
+					}
+				}
+			}
+		}()
 	}

 	return selectedCodec, nil
 }

-func (track *baseTrack) rtcpReadLoop(reader interceptor.RTCPReader, keyFrameController codec.KeyFrameController, stopRead chan struct{}) {
-	readerBuffer := make([]byte, rtcpInboundMTU)
-
-readLoop:
-	for {
-		select {
-		case <-stopRead:
-			return
-		default:
-		}
-
-		readLength, _, err := reader.Read(readerBuffer, interceptor.Attributes{})
-		if err != nil {
-			if errors.Is(err, io.EOF) {
-				return
-			}
-			logger.Warnf("failed to read rtcp packet: %s", err)
-			continue
-		}
-
-		pkts, err := rtcp.Unmarshal(readerBuffer[:readLength])
-		if err != nil {
-			logger.Warnf("failed to unmarshal rtcp packet: %s", err)
-			continue
-		}
-
-		for _, pkt := range pkts {
-			switch pkt.(type) {
-			case *rtcp.PictureLossIndication, *rtcp.FullIntraRequest:
-				if err := keyFrameController.ForceKeyFrame(); err != nil {
-					logger.Warnf("failed to force key frame: %s", err)
-					continue readLoop
-				}
-			}
-		}
-	}
-}
-
 func (track *baseTrack) unbind(ctx webrtc.TrackLocalContext) error {
-	ch := track.removeActivePeerConnection(ctx.ID())
-	// If there isn't a registered chanel for this ctx, it means it has already been unbound
-	if ch == nil {
-		return nil
+	ch, err := track.removeActivePeerConnection(ctx.ID())
+	if err != err {
+		return err
 	}

 	doneCh := make(chan struct{})
@@ -281,17 +263,17 @@ func (track *baseTrack) unbind(ctx webrtc.TrackLocalContext) error {
 	return nil
 }

-func (track *baseTrack) removeActivePeerConnection(id string) chan<- chan<- struct{} {
+func (track *baseTrack) removeActivePeerConnection(id string) (chan<- chan<- struct{}, error) {
 	track.mu.Lock()
 	defer track.mu.Unlock()

 	ch, ok := track.activePeerConnections[id]
 	if !ok {
-		return nil
+		return nil, errNotFoundPeerConnection
 	}
 	delete(track.activePeerConnections, id)

-	return ch
+	return ch, nil
 }

 func newTrackFromDriver(d driver.Driver, constraints MediaTrackConstraints, selector *CodecSelector) (Track, error) {
@@ -313,7 +295,6 @@ func newTrackFromDriver(d driver.Driver, constraints MediaTrackConstraints, sele
 type VideoTrack struct {
 	*baseTrack
 	*video.Broadcaster
-	shouldCopyFrames bool
 }

 // NewVideoTrack constructs a new VideoTrack
@@ -321,16 +302,6 @@ func NewVideoTrack(source VideoSource, selector *CodecSelector) Track {
 	return newVideoTrackFromReader(source, source, selector)
 }

-// ShouldCopyFrames indicates if readers on this track should receive a clopy of the read buffer instead of sharing one.
-func (track *VideoTrack) ShouldCopyFrames() bool {
-	return track.shouldCopyFrames
-}
-
-// SetShouldCopyFrames enables frame copy for this track, sending each reader a different read buffer instead of sharing one.
-func (track *VideoTrack) SetShouldCopyFrames(shouldCopyFrames bool) {
-	track.shouldCopyFrames = shouldCopyFrames
-}
-
 func newVideoTrackFromReader(source Source, reader video.Reader, selector *CodecSelector) Track {
 	base := newBaseTrack(source, VideoInput, selector)
 	wrappedReader := video.ReaderFunc(func() (img image.Image, release func(), err error) {
@@ -375,7 +346,7 @@ func (track *VideoTrack) Unbind(ctx webrtc.TrackLocalContext) error {
 }

 func (track *VideoTrack) newEncodedReader(codecNames ...string) (EncodedReadCloser, *codec.RTPCodec, error) {
-	reader := track.NewReader(track.shouldCopyFrames)
+	reader := track.NewReader(false)
 	inputProp, err := detectCurrentVideoProp(track.Broadcaster)
 	if err != nil {
 		return nil, nil, err
@@ -519,8 +490,7 @@ func (track *AudioTrack) newEncodedReader(codecNames ...string) (EncodedReadClos
 			}
 			return buffer, release, err
 		},
-		closeFn:      encodedReader.Close,
-		controllerFn: encodedReader.Controller,
+		closeFn: encodedReader.Close,
 	}, selectedCodec, nil
 }

@@ -558,7 +528,6 @@ func (track *AudioTrack) NewRTPReader(codecName string, ssrc uint32, mtu int) (R
 			pkts := packetizer.Packetize(encoded.Data, encoded.Samples)
 			return pkts, release, err
 		},
-		closeFn:      encodedReader.Close,
-		controllerFn: encodedReader.Controller,
+		closeFn: encodedReader.Close,
 	}, nil
 }
--- a/track_test.go
+++ b/track_test.go
@@ -2,8 +2,6 @@ package mediadevices

 import (
 	"errors"
-	"github.com/pion/interceptor"
-	"io"
 	"testing"
 	"time"
 )
@@ -55,101 +53,3 @@ func TestOnEnded(t *testing.T) {
 		}
 	})
 }
-
-type fakeRTCPReader struct {
-	mockReturn chan []byte
-	end        chan struct{}
-}
-
-func (mock *fakeRTCPReader) Read(buffer []byte, attributes interceptor.Attributes) (int, interceptor.Attributes, error) {
-	select {
-	case <-mock.end:
-		return 0, nil, io.EOF
-	case mockReturn := <-mock.mockReturn:
-		if len(buffer) < len(mock.mockReturn) {
-			return 0, nil, io.ErrShortBuffer
-		}
-
-		return copy(buffer, mockReturn), attributes, nil
-	}
-}
-
-type fakeKeyFrameController struct {
-	called chan struct{}
-}
-
-func (mock *fakeKeyFrameController) ForceKeyFrame() error {
-	mock.called <- struct{}{}
-	return nil
-}
-
-func TestRtcpHandler(t *testing.T) {
-
-	t.Run("ShouldStopReading", func(t *testing.T) {
-		tr := &baseTrack{}
-		stop := make(chan struct{}, 1)
-		stopped := make(chan struct{})
-		go func() {
-			tr.rtcpReadLoop(&fakeRTCPReader{end: stop}, &fakeKeyFrameController{}, stop)
-			stopped <- struct{}{}
-		}()
-
-		stop <- struct{}{}
-
-		select {
-		case <-time.After(100 * time.Millisecond):
-			t.Error("Timeout")
-		case <-stopped:
-		}
-	})
-
-	t.Run("ShouldForceKeyFrame", func(t *testing.T) {
-		for packetType, packet := range map[string][]byte{
-			"PLI": {
-				// v=2, p=0, FMT=1, PSFB, len=1
-				0x81, 0xce, 0x00, 0x02,
-				// ssrc=0x0
-				0x00, 0x00, 0x00, 0x00,
-				// ssrc=0x4bc4fcb4
-				0x4b, 0xc4, 0xfc, 0xb4,
-			},
-			"FIR": {
-				// v=2, p=0, FMT=4, PSFB, len=3
-				0x84, 0xce, 0x00, 0x04,
-				// ssrc=0x0
-				0x00, 0x00, 0x00, 0x00,
-				// ssrc=0x4bc4fcb4
-				0x4b, 0xc4, 0xfc, 0xb4,
-				// ssrc=0x12345678
-				0x12, 0x34, 0x56, 0x78,
-				// Seqno=0x42
-				0x42, 0x00, 0x00, 0x00,
-			},
-		} {
-			t.Run(packetType, func(t *testing.T) {
-				tr := &baseTrack{}
-				tr.OnEnded(func(err error) {
-					if err != io.EOF {
-						t.Error(err)
-					}
-				})
-				stop := make(chan struct{}, 1)
-				defer func() {
-					stop <- struct{}{}
-				}()
-				mockKeyFrameController := &fakeKeyFrameController{called: make(chan struct{}, 1)}
-				mockRTCPReader := &fakeRTCPReader{end: stop, mockReturn: make(chan []byte, 1)}
-
-				go tr.rtcpReadLoop(mockRTCPReader, mockKeyFrameController, stop)
-
-				mockRTCPReader.mockReturn <- packet
-
-				select {
-				case <-time.After(1000 * time.Millisecond):
-					t.Error("Timeout")
-				case <-mockKeyFrameController.called:
-				}
-			})
-		}
-	})
-}
Author	SHA1	Message	Date
Valentin Cocaud	58767d8fb4	🚧 replace by fork	2022-03-01 15:10:52 +01:00
Valentin Cocaud	662d1ac3a7	fix dependency errors	2022-03-01 15:01:08 +01:00
Valentin Cocaud	b1f7693135	remove idea files	2022-03-01 14:46:58 +01:00
Valentin Cocaud	d8ff6be0f3	Write test instead of type checking hack	2022-03-01 14:46:55 +01:00
Valentin Cocaud	41da6ab56a	Update pkg/codec/codec.go Co-authored-by: Atsushi Watanabe <atsushi.w@ieee.org>	2022-03-01 14:39:12 +01:00
Valentin Cocaud	419afd453a	Add an interface for easier customization of the EncoderController Making the ReadCloser an Controllable allows to uncouple the controller implementation from the encoder. This is not needed for the 2 codec controller already implemented (openh264 and vpx) but is more future proof in case it required for other codecs.	2022-03-01 14:39:12 +01:00
Valentin Cocaud	80be2a7a57	Force key frame on PLI	2022-03-01 14:39:12 +01:00