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removes small lags from video live streamings

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This commit is contained in:
Marcel Battista 2021-02-28 23:12:03 +00:00
parent c410134c7d
commit 9c3d441d16
2 changed files with 29 additions and 4 deletions
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8
server/internal/gst/gst.go
View File

@ -90,7 +90,7 @@ func CreateAppPipeline(codecName string, pipelineDevice string, pipelineSrc stri
if pipelineSrc != "" {
pipelineStr = fmt.Sprintf(pipelineSrc+pipelineStr, pipelineDevice)
} else {
pipelineStr = fmt.Sprintf(videoSrc+"vp8enc target-bitrate=%d cpu-used=-5 threads=4 deadline=1 error-resilient=partitions keyframe-max-dist=30 auto-alt-ref=true"+pipelineStr, pipelineDevice, fps, bitrate*1000)
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
@ -131,7 +131,11 @@ func CreateAppPipeline(codecName string, pipelineDevice string, pipelineSrc stri
return nil, err
}
pipelineStr = fmt.Sprintf(videoSrc+"video/x-raw,format=I420 ! x264enc threads=4 bitrate=%d byte-stream=true tune=zerolatency speed-preset=veryfast ! video/x-h264,stream-format=byte-stream"+pipelineStr, pipelineDevice, fps, bitrate)
vbvbuf := uint(1000)
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
// gstreamer1.0-plugins-base

25
server/internal/webrtc/webrtc.go
View File

@ -146,11 +146,13 @@ func (manager *WebRTCManager) CreatePeer(id string, session types.Session) (stri
Msg("connection state has changed")
})
if _, err = connection.AddTrack(manager.videoTrack); err != nil {
rtpVideo, err := connection.AddTrack(manager.videoTrack);
if err != nil {
return "", manager.config.ICELite, manager.config.ICEServers, err
}
if _, err = connection.AddTrack(manager.audioTrack); err != nil {
rtpAudio, err := connection.AddTrack(manager.audioTrack);
if err != nil {
return "", manager.config.ICELite, manager.config.ICEServers, err
}
@ -211,6 +213,25 @@ func (manager *WebRTCManager) CreatePeer(id string, session types.Session) (stri
return "", manager.config.ICELite, manager.config.ICEServers, err
}
go func() {
rtcpBuf := make([]byte, 1500)
for {
if _, _, rtcpErr := rtpVideo.Read(rtcpBuf); rtcpErr != nil {
return
}
}
}()
go func() {
rtcpBuf := make([]byte, 1500)
for {
if _, _, rtcpErr := rtpAudio.Read(rtcpBuf); rtcpErr != nil {
return
}
}
}()
return description.SDP, manager.config.ICELite, manager.config.ICEServers, nil
}