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https://github.com/m1k1o/neko.git
synced 2024-07-24 14:40:50 +12:00
gst pipeline app sink refactoring.
This commit is contained in:
Miroslav Šedivý
parent
3faca29a89
commit
dbc8a7612d
@ -35,6 +35,7 @@ const (
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pcmClockRate = 8000
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videoSrc = "ximagesrc display-name=%s show-pointer=true use-damage=false ! video/x-raw ! videoconvert ! queue ! "
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audioSrc = "pulsesrc device=%s ! audio/x-raw,channels=2 ! audioconvert ! "
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appSink = " ! appsink name=appsink"
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)
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func init() {
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@ -59,9 +60,8 @@ func CreateRTMPPipeline(pipelineDevice string, pipelineDisplay string, pipelineS
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// CreateAppPipeline creates a GStreamer Pipeline
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func CreateAppPipeline(codecName string, pipelineDevice string, pipelineSrc string) (*Pipeline, error) {
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pipelineStr := " ! appsink name=appsink"
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var clockRate float32
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var pipelineStr string
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switch codecName {
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case webrtc.VP8:
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@ -73,12 +73,7 @@ func CreateAppPipeline(codecName string, pipelineDevice string, pipelineSrc stri
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}
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clockRate = videoClockRate
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if pipelineSrc != "" {
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pipelineStr = fmt.Sprintf(pipelineSrc+pipelineStr, pipelineDevice)
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} else {
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pipelineStr = fmt.Sprintf(videoSrc+"vp8enc cpu-used=8 threads=2 deadline=1 error-resilient=partitions keyframe-max-dist=10 auto-alt-ref=true"+pipelineStr, pipelineDevice)
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}
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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)
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case webrtc.VP9:
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// https://gstreamer.freedesktop.org/documentation/vpx/vp9enc.html?gi-language=c
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// gstreamer1.0-plugins-good
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@ -88,39 +83,32 @@ func CreateAppPipeline(codecName string, pipelineDevice string, pipelineSrc stri
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}
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clockRate = videoClockRate
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// Causes panic! not sure why...
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if pipelineSrc != "" {
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pipelineStr = fmt.Sprintf(pipelineSrc+pipelineStr, pipelineDevice)
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} else {
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pipelineStr = fmt.Sprintf(videoSrc+"vp9enc"+pipelineStr, pipelineDevice)
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}
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pipelineStr = fmt.Sprintf(videoSrc + "vp9enc" + appSink, pipelineDevice)
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case webrtc.H264:
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// https://gstreamer.freedesktop.org/documentation/openh264/openh264enc.html?gi-language=c#openh264enc
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// gstreamer1.0-plugins-bad
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// openh264enc multi-thread=4 complexity=high bitrate=3072000 max-bitrate=4096000
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if err := CheckPlugins([]string{"ximagesrc"}); err != nil {
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return nil, err
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}
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clockRate = videoClockRate
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if pipelineSrc != "" {
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pipelineStr = fmt.Sprintf(pipelineSrc+pipelineStr, pipelineDevice)
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} else {
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pipelineStr = fmt.Sprintf(videoSrc+"openh264enc multi-thread=4 complexity=high bitrate=3072000 max-bitrate=4096000 ! video/x-h264,stream-format=byte-stream"+pipelineStr, pipelineDevice)
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// https://gstreamer.freedesktop.org/documentation/x264/index.html?gi-language=c
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// gstreamer1.0-plugins-ugly
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// 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
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if err := CheckPlugins([]string{"openh264"}); err != nil {
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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"+pipelineStr, pipelineDevice)
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if err := CheckPlugins([]string{"x264"}); err != nil {
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return nil, err
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}
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}
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var err error
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// https://gstreamer.freedesktop.org/documentation/openh264/openh264enc.html?gi-language=c#openh264enc
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// gstreamer1.0-plugins-bad
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// openh264enc multi-thread=4 complexity=high bitrate=3072000 max-bitrate=4096000
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if err = CheckPlugins([]string{"openh264"}); err == nil {
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clockRate = videoClockRate
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pipelineStr = fmt.Sprintf(videoSrc + "openh264enc multi-thread=4 complexity=high bitrate=3072000 max-bitrate=4096000 ! video/x-h264,stream-format=byte-stream" + appSink, pipelineDevice)
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break
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}
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// https://gstreamer.freedesktop.org/documentation/x264/index.html?gi-language=c
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// gstreamer1.0-plugins-ugly
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// 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
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if err = CheckPlugins([]string{"x264"}); err == nil {
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clockRate = videoClockRate
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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)
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break
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}
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return nil, err
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case webrtc.Opus:
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// https://gstreamer.freedesktop.org/documentation/opus/opusenc.html
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// gstreamer1.0-plugins-base
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@ -130,12 +118,7 @@ func CreateAppPipeline(codecName string, pipelineDevice string, pipelineSrc stri
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}
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clockRate = audioClockRate
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if pipelineSrc != "" {
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pipelineStr = fmt.Sprintf(pipelineSrc+pipelineStr, pipelineDevice)
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} else {
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pipelineStr = fmt.Sprintf(audioSrc+"opusenc"+pipelineStr, pipelineDevice)
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}
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pipelineStr = fmt.Sprintf(audioSrc + "opusenc" + appSink, pipelineDevice)
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case webrtc.G722:
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// https://gstreamer.freedesktop.org/documentation/libav/avenc_g722.html?gi-language=c
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// gstreamer1.0-libav
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@ -145,12 +128,7 @@ func CreateAppPipeline(codecName string, pipelineDevice string, pipelineSrc stri
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}
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clockRate = audioClockRate
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if pipelineSrc != "" {
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pipelineStr = fmt.Sprintf(pipelineSrc+pipelineStr, pipelineDevice)
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} else {
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pipelineStr = fmt.Sprintf(audioSrc+"avenc_g722"+pipelineStr, pipelineDevice)
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}
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pipelineStr = fmt.Sprintf(audioSrc + "avenc_g722" + appSink, pipelineDevice)
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case webrtc.PCMU:
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// https://gstreamer.freedesktop.org/documentation/mulaw/mulawenc.html?gi-language=c
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// gstreamer1.0-plugins-good
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@ -160,12 +138,7 @@ func CreateAppPipeline(codecName string, pipelineDevice string, pipelineSrc stri
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}
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clockRate = pcmClockRate
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if pipelineSrc != "" {
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pipelineStr = fmt.Sprintf(pipelineSrc+pipelineStr, pipelineDevice)
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} else {
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pipelineStr = fmt.Sprintf(audioSrc+"audio/x-raw, rate=8000 ! mulawenc"+pipelineStr, pipelineDevice)
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}
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pipelineStr = fmt.Sprintf(audioSrc + "audio/x-raw, rate=8000 ! mulawenc" + appSink, pipelineDevice)
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case webrtc.PCMA:
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// https://gstreamer.freedesktop.org/documentation/alaw/alawenc.html?gi-language=c
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// gstreamer1.0-plugins-good
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@ -175,16 +148,15 @@ func CreateAppPipeline(codecName string, pipelineDevice string, pipelineSrc stri
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}
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clockRate = pcmClockRate
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if pipelineSrc != "" {
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pipelineStr = fmt.Sprintf(pipelineSrc+pipelineStr, pipelineDevice)
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} else {
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pipelineStr = fmt.Sprintf(audioSrc+"audio/x-raw, rate=8000 ! alawenc"+pipelineStr, pipelineDevice)
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}
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pipelineStr = fmt.Sprintf(audioSrc + "audio/x-raw, rate=8000 ! alawenc" + appSink, pipelineDevice)
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default:
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return nil, fmt.Errorf("unknown codec %s", codecName)
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}
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if pipelineSrc != "" {
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pipelineStr = fmt.Sprintf(pipelineSrc + appSink, pipelineDevice)
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}
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return CreatePipeline(pipelineStr, clockRate)
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}
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@ -202,7 +174,7 @@ func CreatePipeline(pipelineStr string, clockRate float32) (*Pipeline, error) {
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gstPipeline = C.gst_parse_launch(pipelineStrUnsafe, &gstError)
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defer C.g_error_free(gstError)
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if gstPipeline == nil || gstError != nil {
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if gstError != nil {
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return nil, fmt.Errorf("(pipeline error) %s", C.GoString(gstError.message))
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}
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