move pipelines from gst to capture.
This commit is contained in:
Miroslav Šedivý
parent
29f67fad06
commit
deabba80ca
@ -41,7 +41,7 @@ func (manager *BroadcastManager) Start() error {
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}
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var err error
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manager.pipeline, err = gst.CreateRTMPPipeline(
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manager.pipeline, err = CreateRTMPPipeline(
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manager.capture.Device,
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manager.capture.Display,
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manager.config.Pipeline,
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@ -8,7 +8,6 @@ package gst
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import "C"
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import (
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"fmt"
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"strings"
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"sync"
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"time"
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"unsafe"
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@ -16,26 +15,6 @@ import (
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"m1k1o/neko/internal/types"
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)
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/*
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apt-get install \
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libgstreamer1.0-0 \
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gstreamer1.0-plugins-base \
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gstreamer1.0-plugins-good \
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gstreamer1.0-plugins-bad \
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gstreamer1.0-plugins-ugly\
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gstreamer1.0-libav \
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gstreamer1.0-doc \
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gstreamer1.0-tools \
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gstreamer1.0-x \
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gstreamer1.0-alsa \
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gstreamer1.0-pulseaudio
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gst-inspect-1.0 --version
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gst-inspect-1.0 plugin
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gst-launch-1.0 ximagesrc show-pointer=true use-damage=false ! video/x-raw,framerate=30/1 ! videoconvert ! queue ! vp8enc error-resilient=partitions keyframe-max-dist=10 auto-alt-ref=true cpu-used=5 deadline=1 ! autovideosink
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gst-launch-1.0 pulsesrc ! audioconvert ! opusenc ! autoaudiosink
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*/
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// Pipeline is a wrapper for a GStreamer Pipeline
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type Pipeline struct {
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Pipeline *C.GstElement
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@ -48,169 +27,11 @@ var pipelines = make(map[int]*Pipeline)
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var pipelinesLock sync.Mutex
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var registry *C.GstRegistry
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const (
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videoSrc = "ximagesrc display-name=%s show-pointer=true use-damage=false ! video/x-raw,framerate=%d/1 ! videoconvert ! queue ! "
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audioSrc = "pulsesrc device=%s ! audio/x-raw,channels=2 ! audioconvert ! "
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)
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func init() {
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C.gstreamer_init()
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registry = C.gst_registry_get()
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}
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// CreateRTMPPipeline creates a GStreamer Pipeline
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func CreateRTMPPipeline(pipelineDevice string, pipelineDisplay string, pipelineSrc string, pipelineRTMP string) (*Pipeline, error) {
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video := fmt.Sprintf(videoSrc, pipelineDisplay, 25)
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audio := fmt.Sprintf(audioSrc, pipelineDevice)
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var pipelineStr string
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if pipelineSrc != "" {
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// replace RTMP url
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pipelineStr = strings.Replace(pipelineSrc, "{url}", pipelineRTMP, -1)
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// replace audio device
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pipelineStr = strings.Replace(pipelineStr, "{device}", pipelineDevice, -1)
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// replace display
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pipelineStr = strings.Replace(pipelineStr, "{display}", pipelineDisplay, -1)
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} else {
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pipelineStr = fmt.Sprintf("flvmux name=mux ! rtmpsink location='%s live=1' %s audio/x-raw,channels=2 ! audioconvert ! voaacenc ! mux. %s x264enc bframes=0 key-int-max=60 byte-stream=true tune=zerolatency speed-preset=veryfast ! mux.", pipelineRTMP, audio, video)
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}
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return CreatePipeline(pipelineStr)
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}
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// CreateAppPipeline creates a GStreamer Pipeline
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func CreateAppPipeline(codecName string, pipelineDevice string, pipelineSrc string, fps int, bitrate uint, hwenc string) (*Pipeline, error) {
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pipelineStr := " ! appsink name=appsink"
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// if using custom pipeline
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if pipelineSrc != "" {
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pipelineStr = fmt.Sprintf(pipelineSrc+pipelineStr, pipelineDevice)
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return CreatePipeline(pipelineStr)
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}
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switch codecName {
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case "VP8":
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if hwenc == "VAAPI" {
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if err := CheckPlugins([]string{"ximagesrc", "vaapi"}); err != nil {
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return nil, err
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}
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// vp8 encode is missing from gstreamer.freedesktop.org/documentation
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// note that it was removed from some recent intel CPUs: https://trac.ffmpeg.org/wiki/Hardware/QuickSync
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// https://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer-vaapi-plugins/html/gstreamer-vaapi-plugins-vaapivp8enc.html
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pipelineStr = fmt.Sprintf(videoSrc+"video/x-raw,format=NV12 ! vaapivp8enc rate-control=vbr bitrate=%d keyframe-period=180"+pipelineStr, pipelineDevice, fps, bitrate)
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} else {
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// https://gstreamer.freedesktop.org/documentation/vpx/vp8enc.html?gi-language=c
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// gstreamer1.0-plugins-good
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// vp8enc error-resilient=partitions keyframe-max-dist=10 auto-alt-ref=true cpu-used=5 deadline=1
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if err := CheckPlugins([]string{"ximagesrc", "vpx"}); err != nil {
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return nil, err
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}
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pipelineStr = strings.Join([]string{
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fmt.Sprintf(videoSrc, pipelineDevice, fps),
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"vp8enc",
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fmt.Sprintf("target-bitrate=%d", bitrate*650),
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"cpu-used=4",
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"end-usage=cbr",
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"threads=4",
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"deadline=1",
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"undershoot=95",
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fmt.Sprintf("buffer-size=%d", bitrate*4),
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fmt.Sprintf("buffer-initial-size=%d", bitrate*2),
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fmt.Sprintf("buffer-optimal-size=%d", bitrate*3),
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"keyframe-max-dist=25",
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"min-quantizer=4",
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"max-quantizer=20",
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pipelineStr,
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}, " ")
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}
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case "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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// vp9enc
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if err := CheckPlugins([]string{"ximagesrc", "vpx"}); err != nil {
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return nil, err
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}
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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)
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case "H264":
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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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if hwenc == "VAAPI" {
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if err := CheckPlugins([]string{"vaapi"}); err != nil {
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return nil, err
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}
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pipelineStr = fmt.Sprintf(videoSrc+"video/x-raw,format=NV12 ! vaapih264enc rate-control=vbr bitrate=%d keyframe-period=180 quality-level=7 ! video/x-h264,stream-format=byte-stream"+pipelineStr, pipelineDevice, fps, bitrate)
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} else {
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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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pipelineStr = fmt.Sprintf(videoSrc+"openh264enc multi-thread=4 complexity=high bitrate=%d max-bitrate=%d ! video/x-h264,stream-format=byte-stream"+pipelineStr, pipelineDevice, fps, bitrate*1000, (bitrate+1024)*1000)
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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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return nil, err
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}
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vbvbuf := uint(1000)
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if bitrate > 1000 {
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vbvbuf = bitrate
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}
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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)
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}
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case "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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// opusenc
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if err := CheckPlugins([]string{"pulseaudio", "opus"}); err != nil {
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return nil, err
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}
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pipelineStr = fmt.Sprintf(audioSrc+"opusenc inband-fec=true bitrate=%d"+pipelineStr, pipelineDevice, bitrate*1000)
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case "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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// avenc_g722
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if err := CheckPlugins([]string{"pulseaudio", "libav"}); err != nil {
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return nil, err
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}
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pipelineStr = fmt.Sprintf(audioSrc+"avenc_g722 bitrate=%d"+pipelineStr, pipelineDevice, bitrate*1000)
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case "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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// audio/x-raw, rate=8000 ! mulawenc
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if err := CheckPlugins([]string{"pulseaudio", "mulaw"}); err != nil {
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return nil, err
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}
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pipelineStr = fmt.Sprintf(audioSrc+"audio/x-raw, rate=8000 ! mulawenc"+pipelineStr, pipelineDevice)
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case "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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// audio/x-raw, rate=8000 ! alawenc
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if err := CheckPlugins([]string{"pulseaudio", "alaw"}); err != nil {
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return nil, err
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}
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pipelineStr = fmt.Sprintf(audioSrc+"audio/x-raw, rate=8000 ! alawenc"+pipelineStr, 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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return CreatePipeline(pipelineStr)
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}
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// CreatePipeline creates a GStreamer Pipeline
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func CreatePipeline(pipelineStr string) (*Pipeline, error) {
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pipelineStrUnsafe := C.CString(pipelineStr)
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@ -133,7 +133,7 @@ func (manager *CaptureManagerCtx) createPipelines() {
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}
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var err error
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manager.video, err = gst.CreateAppPipeline(
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manager.video, err = CreateAppPipeline(
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manager.config.VideoCodec,
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manager.config.Display,
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manager.config.VideoParams,
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@ -145,7 +145,7 @@ func (manager *CaptureManagerCtx) createPipelines() {
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manager.logger.Panic().Err(err).Msg("unable to create video pipeline")
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}
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manager.audio, err = gst.CreateAppPipeline(
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manager.audio, err = CreateAppPipeline(
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manager.config.AudioCodec,
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manager.config.Device,
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manager.config.AudioParams,
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@ -185,7 +185,7 @@ func (manager *CaptureManagerCtx) ChangeResolution(width int, height int, rate i
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}
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var err error
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manager.video, err = gst.CreateAppPipeline(
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manager.video, err = CreateAppPipeline(
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manager.config.VideoCodec,
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manager.config.Display,
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manager.config.VideoParams,
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185
server/internal/capture/pipelines.go
Normal file
185
server/internal/capture/pipelines.go
Normal file
@ -0,0 +1,185 @@
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package capture
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import (
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"fmt"
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"m1k1o/neko/internal/capture/gst"
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"strings"
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)
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/*
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apt-get install \
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libgstreamer1.0-0 \
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gstreamer1.0-plugins-base \
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gstreamer1.0-plugins-good \
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gstreamer1.0-plugins-bad \
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gstreamer1.0-plugins-ugly\
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gstreamer1.0-libav \
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gstreamer1.0-doc \
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gstreamer1.0-tools \
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gstreamer1.0-x \
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gstreamer1.0-alsa \
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gstreamer1.0-pulseaudio
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gst-inspect-1.0 --version
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gst-inspect-1.0 plugin
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gst-launch-1.0 ximagesrc show-pointer=true use-damage=false ! video/x-raw,framerate=30/1 ! videoconvert ! queue ! vp8enc error-resilient=partitions keyframe-max-dist=10 auto-alt-ref=true cpu-used=5 deadline=1 ! autovideosink
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gst-launch-1.0 pulsesrc ! audioconvert ! opusenc ! autoaudiosink
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*/
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const (
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videoSrc = "ximagesrc display-name=%s show-pointer=true use-damage=false ! video/x-raw,framerate=%d/1 ! videoconvert ! queue ! "
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audioSrc = "pulsesrc device=%s ! audio/x-raw,channels=2 ! audioconvert ! "
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)
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// CreateRTMPPipeline creates a GStreamer Pipeline
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func CreateRTMPPipeline(pipelineDevice string, pipelineDisplay string, pipelineSrc string, pipelineRTMP string) (*gst.Pipeline, error) {
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video := fmt.Sprintf(videoSrc, pipelineDisplay, 25)
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audio := fmt.Sprintf(audioSrc, pipelineDevice)
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var pipelineStr string
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if pipelineSrc != "" {
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// replace RTMP url
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pipelineStr = strings.Replace(pipelineSrc, "{url}", pipelineRTMP, -1)
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// replace audio device
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pipelineStr = strings.Replace(pipelineStr, "{device}", pipelineDevice, -1)
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// replace display
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pipelineStr = strings.Replace(pipelineStr, "{display}", pipelineDisplay, -1)
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} else {
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pipelineStr = fmt.Sprintf("flvmux name=mux ! rtmpsink location='%s live=1' %s audio/x-raw,channels=2 ! audioconvert ! voaacenc ! mux. %s x264enc bframes=0 key-int-max=60 byte-stream=true tune=zerolatency speed-preset=veryfast ! mux.", pipelineRTMP, audio, video)
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}
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return gst.CreatePipeline(pipelineStr)
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}
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// CreateAppPipeline creates a GStreamer Pipeline
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func CreateAppPipeline(codecName string, pipelineDevice string, pipelineSrc string, fps int, bitrate uint, hwenc string) (*gst.Pipeline, error) {
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pipelineStr := " ! appsink name=appsink"
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// if using custom pipeline
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if pipelineSrc != "" {
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pipelineStr = fmt.Sprintf(pipelineSrc+pipelineStr, pipelineDevice)
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return gst.CreatePipeline(pipelineStr)
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}
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switch codecName {
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case "VP8":
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if hwenc == "VAAPI" {
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if err := gst.CheckPlugins([]string{"ximagesrc", "vaapi"}); err != nil {
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return nil, err
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}
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// vp8 encode is missing from gstreamer.freedesktop.org/documentation
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// note that it was removed from some recent intel CPUs: https://trac.ffmpeg.org/wiki/Hardware/QuickSync
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// https://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer-vaapi-plugins/html/gstreamer-vaapi-plugins-vaapivp8enc.html
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pipelineStr = fmt.Sprintf(videoSrc+"video/x-raw,format=NV12 ! vaapivp8enc rate-control=vbr bitrate=%d keyframe-period=180"+pipelineStr, pipelineDevice, fps, bitrate)
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} else {
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// https://gstreamer.freedesktop.org/documentation/vpx/vp8enc.html?gi-language=c
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// gstreamer1.0-plugins-good
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// vp8enc error-resilient=partitions keyframe-max-dist=10 auto-alt-ref=true cpu-used=5 deadline=1
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if err := gst.CheckPlugins([]string{"ximagesrc", "vpx"}); err != nil {
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return nil, err
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}
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pipelineStr = strings.Join([]string{
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fmt.Sprintf(videoSrc, pipelineDevice, fps),
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"vp8enc",
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fmt.Sprintf("target-bitrate=%d", bitrate*650),
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"cpu-used=4",
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"end-usage=cbr",
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"threads=4",
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"deadline=1",
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"undershoot=95",
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fmt.Sprintf("buffer-size=%d", bitrate*4),
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fmt.Sprintf("buffer-initial-size=%d", bitrate*2),
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fmt.Sprintf("buffer-optimal-size=%d", bitrate*3),
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"keyframe-max-dist=25",
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"min-quantizer=4",
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"max-quantizer=20",
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pipelineStr,
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}, " ")
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}
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case "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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// vp9enc
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if err := gst.CheckPlugins([]string{"ximagesrc", "vpx"}); err != nil {
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return nil, err
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}
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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)
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case "H264":
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if err := gst.CheckPlugins([]string{"ximagesrc"}); err != nil {
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return nil, err
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}
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if hwenc == "VAAPI" {
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if err := gst.CheckPlugins([]string{"vaapi"}); err != nil {
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return nil, err
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}
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pipelineStr = fmt.Sprintf(videoSrc+"video/x-raw,format=NV12 ! vaapih264enc rate-control=vbr bitrate=%d keyframe-period=180 quality-level=7 ! video/x-h264,stream-format=byte-stream"+pipelineStr, pipelineDevice, fps, bitrate)
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} else {
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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 := gst.CheckPlugins([]string{"openh264"}); err == nil {
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pipelineStr = fmt.Sprintf(videoSrc+"openh264enc multi-thread=4 complexity=high bitrate=%d max-bitrate=%d ! video/x-h264,stream-format=byte-stream"+pipelineStr, pipelineDevice, fps, bitrate*1000, (bitrate+1024)*1000)
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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 := gst.CheckPlugins([]string{"x264"}); err != nil {
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return nil, err
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}
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vbvbuf := uint(1000)
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if bitrate > 1000 {
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vbvbuf = bitrate
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}
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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)
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}
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case "Opus":
|
||||
// https://gstreamer.freedesktop.org/documentation/opus/opusenc.html
|
||||
// gstreamer1.0-plugins-base
|
||||
// opusenc
|
||||
if err := gst.CheckPlugins([]string{"pulseaudio", "opus"}); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
pipelineStr = fmt.Sprintf(audioSrc+"opusenc inband-fec=true bitrate=%d"+pipelineStr, pipelineDevice, bitrate*1000)
|
||||
case "G722":
|
||||
// https://gstreamer.freedesktop.org/documentation/libav/avenc_g722.html?gi-language=c
|
||||
// gstreamer1.0-libav
|
||||
// avenc_g722
|
||||
if err := gst.CheckPlugins([]string{"pulseaudio", "libav"}); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
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
|
||||
// audio/x-raw, rate=8000 ! mulawenc
|
||||
if err := gst.CheckPlugins([]string{"pulseaudio", "mulaw"}); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
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
|
||||
// audio/x-raw, rate=8000 ! alawenc
|
||||
if err := gst.CheckPlugins([]string{"pulseaudio", "alaw"}); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
pipelineStr = fmt.Sprintf(audioSrc+"audio/x-raw, rate=8000 ! alawenc"+pipelineStr, pipelineDevice)
|
||||
default:
|
||||
return nil, fmt.Errorf("unknown codec %s", codecName)
|
||||
}
|
||||
|
||||
return gst.CreatePipeline(pipelineStr)
|
||||
}
|
||||
Reference in New Issue
Block a user