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use audio and video bitrate.

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This commit is contained in:
m1k1o 2021-02-14 21:07:56 +01:00
parent 34954d1a54
commit 61eed9ca98
3 changed files with 40 additions and 42 deletions
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40
server/internal/gst/gst.go
View File

@ -9,7 +9,6 @@ package gst
import "C"
import (
"fmt"
"strconv"
"sync"
"time"
"unsafe"
@ -76,7 +75,7 @@ func CreateRTMPPipeline(pipelineDevice string, pipelineDisplay string, pipelineS
}
// CreateAppPipeline creates a GStreamer Pipeline
func CreateAppPipeline(codecName string, pipelineDevice string, pipelineSrc string, bitrate int) (*Pipeline, error) {
func CreateAppPipeline(codecName string, pipelineDevice string, pipelineSrc string, bitrate uint) (*Pipeline, error) {
pipelineStr := " ! appsink name=appsink"
switch codecName {
@ -91,7 +90,7 @@ func CreateAppPipeline(codecName string, pipelineDevice string, pipelineSrc stri
if pipelineSrc != "" {
pipelineStr = fmt.Sprintf(pipelineSrc+pipelineStr, pipelineDevice)
} else {
pipelineStr = fmt.Sprintf(videoSrc+"vp8enc cpu-used=-5 threads=4 deadline=1 error-resilient=partitions keyframe-max-dist=30 auto-alt-ref=true"+pipelineStr, pipelineDevice)
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, bitrate*1000)
}
case "VP9":
// https://gstreamer.freedesktop.org/documentation/vpx/vp9enc.html?gi-language=c
@ -105,41 +104,34 @@ func CreateAppPipeline(codecName string, pipelineDevice string, pipelineSrc stri
if pipelineSrc != "" {
pipelineStr = fmt.Sprintf(pipelineSrc+pipelineStr, pipelineDevice)
} else {
pipelineStr = fmt.Sprintf(videoSrc+"vp9enc"+pipelineStr, pipelineDevice)
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, bitrate*1000)
}
case "H264":
// 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{"ximagesrc"}); err != nil {
return nil, err
}
if pipelineSrc != "" {
pipelineStr = fmt.Sprintf(pipelineSrc+pipelineStr, pipelineDevice)
} else {
var h264Str string
h264Str = "openh264enc multi-thread=4 complexity=high bitrate=3072000 max-bitrate=4096000 ! video/x-h264,stream-format=byte-stream"
if bitrate > 0 {
h264Str = "openh264enc multi-thread=4 complexity=high bitrate=" + strconv.Itoa(bitrate) + "000 max-bitrate=" + strconv.Itoa(bitrate) + "999 ! video/x-h264,stream-format=byte-stream"
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
if err := CheckPlugins([]string{"openh264"}); err == nil {
pipelineStr = fmt.Sprintf(videoSrc+"openh264enc multi-thread=4 complexity=high bitrate=%d max-bitrate=%d ! video/x-h264,stream-format=byte-stream"+pipelineStr, pipelineDevice, bitrate*1000, (bitrate+1024)*1000)
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{"openh264"}); err != nil {
h264Str = "video/x-raw,format=I420 ! x264enc threads=4 byte-stream=true tune=zerolatency speed-preset=veryfast ! video/x-h264,stream-format=byte-stream"
if bitrate > 0 {
h264Str = "video/x-raw,format=I420 ! x264enc threads=4 bitrate=" + strconv.Itoa(bitrate) + " byte-stream=true tune=zerolatency speed-preset=veryfast ! video/x-h264,stream-format=byte-stream"
}
if err := CheckPlugins([]string{"x264"}); err != nil {
return nil, err
}
}
pipelineStr = fmt.Sprintf(videoSrc+h264Str+pipelineStr, pipelineDevice)
}
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, bitrate)
case "Opus":
// https://gstreamer.freedesktop.org/documentation/opus/opusenc.html
// gstreamer1.0-plugins-base
@ -151,7 +143,7 @@ func CreateAppPipeline(codecName string, pipelineDevice string, pipelineSrc stri
if pipelineSrc != "" {
pipelineStr = fmt.Sprintf(pipelineSrc+pipelineStr, pipelineDevice)
} else {
pipelineStr = fmt.Sprintf(audioSrc+"opusenc"+pipelineStr, pipelineDevice)
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
@ -164,7 +156,7 @@ func CreateAppPipeline(codecName string, pipelineDevice string, pipelineSrc stri
if pipelineSrc != "" {
pipelineStr = fmt.Sprintf(pipelineSrc+pipelineStr, pipelineDevice)
} else {
pipelineStr = fmt.Sprintf(audioSrc+"avenc_g722"+pipelineStr, pipelineDevice)
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

6
server/internal/remote/manager.go
View File

@ -135,7 +135,7 @@ func (manager *RemoteManager) createPipelines() {
manager.config.VideoCodec,
manager.config.Display,
manager.config.VideoParams,
manager.config.Bitrate,
manager.config.VideoBitrate,
)
if err != nil {
manager.logger.Panic().Err(err).Msg("unable to create video pipeline")
@ -145,7 +145,7 @@ func (manager *RemoteManager) createPipelines() {
manager.config.AudioCodec,
manager.config.Device,
manager.config.AudioParams,
0,
manager.config.AudioBitrate,
)
if err != nil {
manager.logger.Panic().Err(err).Msg("unable to create audio pipeline")
@ -176,7 +176,7 @@ func (manager *RemoteManager) ChangeResolution(width int, height int, rate int)
manager.config.VideoCodec,
manager.config.Display,
manager.config.VideoParams,
manager.config.Bitrate,
manager.config.VideoBitrate,
)
if err != nil {
manager.logger.Panic().Err(err).Msg("unable to create new video pipeline")

22
server/internal/types/config/remote.go
View File

@ -13,12 +13,13 @@ type Remote struct {
Device string
AudioCodec string
AudioParams string
AudioBitrate uint
VideoCodec string
VideoParams string
VideoBitrate uint
ScreenWidth int
ScreenHeight int
ScreenRate int
Bitrate int
}
func (Remote) Init(cmd *cobra.Command) error {
@ -37,22 +38,26 @@ func (Remote) Init(cmd *cobra.Command) error {
return err
}
cmd.PersistentFlags().Int("audio_bitrate", 128, "audio bitrate in kbit/s")
if err := viper.BindPFlag("audio_bitrate", cmd.PersistentFlags().Lookup("audio_bitrate")); err != nil {
return err
}
cmd.PersistentFlags().String("video", "", "video codec parameters to use for streaming")
if err := viper.BindPFlag("video", cmd.PersistentFlags().Lookup("video")); err != nil {
return err
}
cmd.PersistentFlags().Int("video_bitrate", 3072, "video bitrate in kbit/s")
if err := viper.BindPFlag("video_bitrate", cmd.PersistentFlags().Lookup("video_bitrate")); err != nil {
return err
}
cmd.PersistentFlags().String("screen", "1280x720@30", "default screen resolution and framerate")
if err := viper.BindPFlag("screen", cmd.PersistentFlags().Lookup("screen")); err != nil {
return err
}
cmd.PersistentFlags().Int("bitrate", 0, "set this video bitrate when possible")
if err := viper.BindPFlag("bitrate", cmd.PersistentFlags().Lookup("bitrate")); err != nil {
return err
}
// video codecs
cmd.PersistentFlags().Bool("vp8", false, "use VP8 video codec")
if err := viper.BindPFlag("vp8", cmd.PersistentFlags().Lookup("vp8")); err != nil {
@ -117,10 +122,11 @@ func (s *Remote) Set() {
s.Device = viper.GetString("device")
s.AudioCodec = audioCodec
s.AudioParams = viper.GetString("audio")
s.AudioBitrate = viper.GetUint("audio_bitrate")
s.Display = viper.GetString("display")
s.VideoCodec = videoCodec
s.VideoParams = viper.GetString("video")
s.Bitrate = viper.GetInt("bitrate")
s.VideoBitrate = viper.GetUint("video_bitrate")
s.ScreenWidth = 1280
s.ScreenHeight = 720