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tune gst pipelines.

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This commit is contained in:
Miroslav Šedivý 2021-02-03 21:04:48 +01:00
parent c2553b150c
commit 7e7a0c0617
1 changed files with 17 additions and 25 deletions
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42
internal/capture/gst/gst.go
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@ -72,42 +72,38 @@ func CreateAppPipeline(codecRTP codec.RTPCodec, pipelineDevice string, pipelineS
switch codecRTP.Name {
case "vp8":
// https://gstreamer.freedesktop.org/documentation/vpx/vp8enc.html?gi-language=c
// https://gstreamer.freedesktop.org/documentation/vpx/vp8enc.html
// gstreamer1.0-plugins-good
// vp8enc error-resilient=partitions keyframe-max-dist=10 auto-alt-ref=true cpu-used=5 deadline=1
if err := CheckPlugins([]string{"ximagesrc", "vpx"}); err != nil {
return nil, err
}
pipelineStr = fmt.Sprintf(videoSrc + "vp8enc cpu-used=8 threads=2 deadline=1 error-resilient=partitions keyframe-max-dist=10 auto-alt-ref=true" + appSink, pipelineDevice)
pipelineStr = fmt.Sprintf(videoSrc + "vp8enc cpu-used=16 threads=4 deadline=1 error-resilient=partitions keyframe-max-dist=15 static-threshold=20" + appSink, pipelineDevice)
case "vp9":
// https://gstreamer.freedesktop.org/documentation/vpx/vp9enc.html?gi-language=c
// https://gstreamer.freedesktop.org/documentation/vpx/vp9enc.html
// gstreamer1.0-plugins-good
// vp9enc
if err := CheckPlugins([]string{"ximagesrc", "vpx"}); err != nil {
return nil, err
}
pipelineStr = fmt.Sprintf(videoSrc + "vp9enc" + appSink, pipelineDevice)
case "h264":
if err := CheckPlugins([]string{"ximagesrc"}); err != nil {
var err error
if err = CheckPlugins([]string{"ximagesrc"}); err != nil {
return nil, err
}
var err error
// https://gstreamer.freedesktop.org/documentation/openh264/openh264enc.html?gi-language=c#openh264enc
// gstreamer1.0-plugins-bad
// openh264enc multi-thread=4 complexity=high bitrate=3072000 max-bitrate=4096000
if err = CheckPlugins([]string{"openh264"}); err == nil {
pipelineStr = fmt.Sprintf(videoSrc + "openh264enc multi-thread=4 complexity=high bitrate=3072000 max-bitrate=4096000 ! video/x-h264,stream-format=byte-stream" + appSink, pipelineDevice)
// https://gstreamer.freedesktop.org/documentation/x264/index.html
// gstreamer1.0-plugins-ugly
if err = CheckPlugins([]string{"x264"}); err == nil {
pipelineStr = fmt.Sprintf(videoSrc + "video/x-raw,format=I420 ! x264enc threads=4 bitrate=4096 key-int-max=15 byte-stream=true tune=zerolatency speed-preset=veryfast ! video/x-h264,stream-format=byte-stream" + appSink, pipelineDevice)
break
}
// https://gstreamer.freedesktop.org/documentation/x264/index.html?gi-language=c
// gstreamer1.0-plugins-ugly
// video/x-raw,format=I420 ! x264enc bframes=0 key-int-max=60 byte-stream=true tune=zerolatency speed-preset=veryfast ! video/x-h264,stream-format=byte-stream
if err = CheckPlugins([]string{"x264"}); err == nil {
pipelineStr = fmt.Sprintf(videoSrc + "video/x-raw,format=I420 ! x264enc bframes=0 key-int-max=60 byte-stream=true tune=zerolatency speed-preset=veryfast ! video/x-h264,stream-format=byte-stream" + appSink, pipelineDevice)
// https://gstreamer.freedesktop.org/documentation/openh264/openh264enc.html
// gstreamer1.0-plugins-bad
if err = CheckPlugins([]string{"openh264"}); err == nil {
pipelineStr = fmt.Sprintf(videoSrc + "openh264enc multi-thread=4 complexity=high bitrate=3072000 max-bitrate=4096000 ! video/x-h264,stream-format=byte-stream" + appSink, pipelineDevice)
break
}
@ -115,34 +111,30 @@ func CreateAppPipeline(codecRTP codec.RTPCodec, pipelineDevice string, pipelineS
case "opus":
// https://gstreamer.freedesktop.org/documentation/opus/opusenc.html
// gstreamer1.0-plugins-base
// opusenc
if err := CheckPlugins([]string{"pulseaudio", "opus"}); err != nil {
return nil, err
}
pipelineStr = fmt.Sprintf(audioSrc + "opusenc" + appSink, pipelineDevice)
pipelineStr = fmt.Sprintf(audioSrc + "opusenc bitrate=128000" + appSink, pipelineDevice)
case "g722":
// https://gstreamer.freedesktop.org/documentation/libav/avenc_g722.html?gi-language=c
// https://gstreamer.freedesktop.org/documentation/libav/avenc_g722.html
// gstreamer1.0-libav
// avenc_g722
if err := CheckPlugins([]string{"pulseaudio", "libav"}); err != nil {
return nil, err
}
pipelineStr = fmt.Sprintf(audioSrc + "avenc_g722" + appSink, pipelineDevice)
case "pcmu":
// https://gstreamer.freedesktop.org/documentation/mulaw/mulawenc.html?gi-language=c
// https://gstreamer.freedesktop.org/documentation/mulaw/mulawenc.html
// gstreamer1.0-plugins-good
// audio/x-raw, rate=8000 ! mulawenc
if err := CheckPlugins([]string{"pulseaudio", "mulaw"}); err != nil {
return nil, err
}
pipelineStr = fmt.Sprintf(audioSrc + "audio/x-raw, rate=8000 ! mulawenc" + appSink, pipelineDevice)
case "pcma":
// https://gstreamer.freedesktop.org/documentation/alaw/alawenc.html?gi-language=c
// https://gstreamer.freedesktop.org/documentation/alaw/alawenc.html
// gstreamer1.0-plugins-good
// audio/x-raw, rate=8000 ! alawenc
if err := CheckPlugins([]string{"pulseaudio", "alaw"}); err != nil {
return nil, err
}