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simplifly gst switch.

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This commit is contained in:
Miroslav Šedivý 2021-12-08 19:40:30 +01:00
parent 23ad1cf882
commit d3711ab3ba
1 changed files with 13 additions and 36 deletions
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37
server/internal/gst/gst.go
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@ -82,6 +82,12 @@ func CreateRTMPPipeline(pipelineDevice string, pipelineDisplay string, pipelineS
func CreateAppPipeline(codecName string, pipelineDevice string, pipelineSrc string, fps int, bitrate uint) (*Pipeline, error) {
pipelineStr := " ! appsink name=appsink"
// if using custom pipeline
if pipelineSrc != "" {
pipelineStr = fmt.Sprintf(pipelineSrc+pipelineStr, pipelineDevice)
return CreatePipeline(pipelineStr)
}
switch codecName {
case "VP8":
// https://gstreamer.freedesktop.org/documentation/vpx/vp8enc.html?gi-language=c
@ -91,11 +97,7 @@ func CreateAppPipeline(codecName string, pipelineDevice string, pipelineSrc stri
return nil, err
}
if pipelineSrc != "" {
pipelineStr = fmt.Sprintf(pipelineSrc+pipelineStr, pipelineDevice)
} else {
pipelineStr = fmt.Sprintf(videoSrc+"vp8enc target-bitrate=%d cpu-used=4 end-usage=cbr threads=4 deadline=1 undershoot=95 buffer-size=%d buffer-initial-size=%d buffer-optimal-size=%d keyframe-max-dist=180 min-quantizer=3 max-quantizer=40"+pipelineStr, pipelineDevice, fps, bitrate*1000, bitrate*6, bitrate*4, bitrate*5)
}
case "VP9":
// https://gstreamer.freedesktop.org/documentation/vpx/vp9enc.html?gi-language=c
// gstreamer1.0-plugins-good
@ -104,22 +106,12 @@ func CreateAppPipeline(codecName string, pipelineDevice string, pipelineSrc stri
return nil, err
}
// Causes panic! not sure why...
if pipelineSrc != "" {
pipelineStr = fmt.Sprintf(pipelineSrc+pipelineStr, pipelineDevice)
} else {
pipelineStr = fmt.Sprintf(videoSrc+"vp9enc target-bitrate=%d cpu-used=-5 threads=4 deadline=1 keyframe-max-dist=30 auto-alt-ref=true"+pipelineStr, pipelineDevice, fps, bitrate*1000)
}
case "H264":
if err := CheckPlugins([]string{"ximagesrc"}); err != nil {
return nil, err
}
if pipelineSrc != "" {
pipelineStr = fmt.Sprintf(pipelineSrc+pipelineStr, pipelineDevice)
break
}
// 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
@ -139,6 +131,7 @@ func CreateAppPipeline(codecName string, pipelineDevice string, pipelineSrc stri
if bitrate > 1000 {
vbvbuf = bitrate
}
pipelineStr = fmt.Sprintf(videoSrc+"video/x-raw,format=NV12 ! x264enc threads=4 bitrate=%d key-int-max=60 vbv-buf-capacity=%d byte-stream=true tune=zerolatency speed-preset=veryfast ! video/x-h264,stream-format=byte-stream"+pipelineStr, pipelineDevice, fps, bitrate, vbvbuf)
case "Opus":
// https://gstreamer.freedesktop.org/documentation/opus/opusenc.html
@ -148,11 +141,7 @@ func CreateAppPipeline(codecName string, pipelineDevice string, pipelineSrc stri
return nil, err
}
if pipelineSrc != "" {
pipelineStr = fmt.Sprintf(pipelineSrc+pipelineStr, pipelineDevice)
} else {
pipelineStr = fmt.Sprintf(audioSrc+"opusenc bitrate=%d"+pipelineStr, pipelineDevice, bitrate*1000)
}
case "G722":
// https://gstreamer.freedesktop.org/documentation/libav/avenc_g722.html?gi-language=c
// gstreamer1.0-libav
@ -161,11 +150,7 @@ func CreateAppPipeline(codecName string, pipelineDevice string, pipelineSrc stri
return nil, err
}
if pipelineSrc != "" {
pipelineStr = fmt.Sprintf(pipelineSrc+pipelineStr, pipelineDevice)
} else {
pipelineStr = fmt.Sprintf(audioSrc+"avenc_g722 bitrate=%d"+pipelineStr, pipelineDevice, bitrate*1000)
}
case "PCMU":
// https://gstreamer.freedesktop.org/documentation/mulaw/mulawenc.html?gi-language=c
// gstreamer1.0-plugins-good
@ -174,11 +159,7 @@ func CreateAppPipeline(codecName string, pipelineDevice string, pipelineSrc stri
return nil, err
}
if pipelineSrc != "" {
pipelineStr = fmt.Sprintf(pipelineSrc+pipelineStr, pipelineDevice)
} else {
pipelineStr = fmt.Sprintf(audioSrc+"audio/x-raw, rate=8000 ! mulawenc"+pipelineStr, pipelineDevice)
}
case "PCMA":
// https://gstreamer.freedesktop.org/documentation/alaw/alawenc.html?gi-language=c
// gstreamer1.0-plugins-good
@ -187,11 +168,7 @@ func CreateAppPipeline(codecName string, pipelineDevice string, pipelineSrc stri
return nil, err
}
if pipelineSrc != "" {
pipelineStr = fmt.Sprintf(pipelineSrc+pipelineStr, pipelineDevice)
} else {
pipelineStr = fmt.Sprintf(audioSrc+"audio/x-raw, rate=8000 ! alawenc"+pipelineStr, pipelineDevice)
}
default:
return nil, fmt.Errorf("unknown codec %s", codecName)
}