initial commit
This commit is contained in:
root
33
http/hw/stream/audio.go
Normal file
33
http/hw/stream/audio.go
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@@ -0,0 +1,33 @@
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package stream
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import (
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"github.com/gin-gonic/gin"
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"io"
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"net/http"
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"os/exec"
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)
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func AudioHandler(c *gin.Context) {
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cmd := exec.Command("ffmpeg",
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"-f", "alsa",
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"-i", "hw:0,0",
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"-acodec", "aac",
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"-f", "mp4", "-")
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// ffmpeg -f alsa -i hw:0,0 -acodec aac -f mp4 -
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stdout, err := cmd.StdoutPipe()
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if err != nil {
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c.String(http.StatusInternalServerError, "Failed to capture audio: %v", err)
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return
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}
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if err := cmd.Start(); err != nil {
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c.String(http.StatusInternalServerError, "Failed to start ffmpeg: %v", err)
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return
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}
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defer cmd.Wait()
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c.Header("Content-Type", "audio/mp4")
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if _, err := io.Copy(c.Writer, stdout); err != nil {
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c.String(http.StatusInternalServerError, "Failed to stream audio: %v", err)
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return
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}
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}
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135
http/hw/stream/extprocess.go
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135
http/hw/stream/extprocess.go
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@@ -0,0 +1,135 @@
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package stream
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import (
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"io"
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"os"
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"os/exec"
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"sync"
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log "github.com/sirupsen/logrus"
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)
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type ExtProcess struct {
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path string
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cmd *exec.Cmd
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mu sync.Mutex
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args []string
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running bool
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stopChan chan struct{}
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finished chan struct{}
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state State
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stdin io.WriteCloser
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}
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func Init(path string, args []string) *ExtProcess {
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return &ExtProcess{
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args: args,
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path: path,
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}
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}
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func (u *ExtProcess) Start() {
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u.mu.Lock()
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defer u.mu.Unlock()
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if u.running {
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log.Debug("process is already running.")
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return
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}
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u.stopChan = make(chan struct{})
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u.finished = make(chan struct{})
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log.Debug("Starting external process...")
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u.cmd = exec.Command(u.path, u.args...)
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u.cmd.Stdout = os.Stdout
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u.cmd.Stderr = os.Stderr
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stdin, err := u.cmd.StdinPipe()
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if err != nil {
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log.Errorf("Couldn't handle stdin pipe: %v", err)
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return
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}
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u.stdin = stdin
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err = u.cmd.Start()
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if err != nil {
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log.Errorf("Failed to start process: %v", err)
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}
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u.running = true
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go func() {
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err = u.cmd.Wait()
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u.running = false
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log.Errorf("process exited with error: %v", err)
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// planned stop
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if err == nil {
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u.finished <- struct{}{}
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close(u.stopChan)
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return
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}
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u.stopChan <- struct{}{}
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close(u.finished)
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}()
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}
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// Stop the ustreamer application
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func (u *ExtProcess) Stop() {
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u.mu.Lock()
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defer u.mu.Unlock()
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if !u.running {
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log.Debug("process is not running.")
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return
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}
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log.Warn("Stopping process...")
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_, err := u.stdin.Write([]byte("q")) // TODO: works for ffmpeg, should be general or move into FFmpeg struct
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if err != nil {
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log.Errorf("Failed to stop process: %v", err)
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if err := u.cmd.Process.Kill(); err != nil {
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log.Errorf("Failed to kill process: %v", err)
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}
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}
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if err := u.stdin.Close(); err != nil {
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log.Errorf("Failed to close stdin: %v", err)
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}
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log.Info("waiting for finish")
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select {
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case <-u.finished:
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log.Info("stopped as expected")
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case <-u.stopChan:
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log.Info("was killed")
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}
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u.running = false
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}
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func (u *ExtProcess) ChangeArgs(newArgs []string) {
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u.mu.Lock()
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defer u.mu.Unlock()
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u.args = newArgs
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log.Printf("Updated process arguments: %v", u.args)
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}
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func (u *ExtProcess) Watch() {
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for {
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select {
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case <-u.stopChan:
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log.Errorf("process stopped unexpectedly. Restarting...")
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u.Start()
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/*case <-time.After(1 * time.Second): // Adjust the monitoring interval as needed
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if !u.running {
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log.Errorf("process is not running. Restarting...")
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u.Start()
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}*/
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}
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}
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}
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53
http/hw/stream/ffmpeg.go
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53
http/hw/stream/ffmpeg.go
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package stream
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import (
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"rkkvm/config"
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)
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//h264
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//ffmpeg -re -i /dev/video0 -c:v h264_rkmpp -b:v 2000000 -bsf:v h264_mp4toannexb -g 10 -f rtp rtp://127.0.0.1:5004?pkt_size=1200
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//h265
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//ffmpeg -re -i /dev/video0 -c:v hevc_rkmpp -b:v 2000000 -g 10 -f rtp rtp://127.0.0.1:5004?pkt_size=1200
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// vp8
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//ffmpeg -re -i /dev/video0 -c:v libvpx -crf 10 -b:v 3M -deadline 1 -g 10 -error-resilient 1 -auto-alt-ref 1 -an -f rtp rtp://127.0.0.1:5004?pkt_size=1200
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// https://jsfiddle.net/z7ms3u5r/
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var ffmpeg *FFmpeg
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type FFmpeg struct {
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*ExtProcess
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config.FFmpeg
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}
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func (f *FFmpeg) SetBitrate(b int) {
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f.Bitrate = b
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if f.Bitrate < 0 {
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f.Bitrate = 6000
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}
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f.ChangeArgs(f.FormatArgs())
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}
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func (f *FFmpeg) SetFPS(fps int) {
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f.FPS = fps
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if f.FPS < 0 {
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f.FPS = 30
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}
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f.ChangeArgs(f.FormatArgs())
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}
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func InitFFmpeg(path string, args []string) *FFmpeg {
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ffmpeg = &FFmpeg{
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ExtProcess: Init(path, args),
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FFmpeg: config.Get().FFmpeg,
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}
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return ffmpeg
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}
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func GetFFmpeg() *FFmpeg {
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return ffmpeg
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}
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52
http/hw/stream/ustreamer.go
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52
http/hw/stream/ustreamer.go
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@@ -0,0 +1,52 @@
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package stream
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import (
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"rkkvm/config"
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"time"
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log "github.com/sirupsen/logrus"
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)
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var ustreamer *UStreamer
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type UStreamer struct {
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*ExtProcess
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config.UStreamer
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}
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func InitUStreamer(path string, args []string) *UStreamer {
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ustreamer = &UStreamer{
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ExtProcess: Init(path, args),
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UStreamer: config.Get().UStreamer,
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}
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return ustreamer
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}
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func GetUStreamer() *UStreamer {
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return ustreamer
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}
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func (u *UStreamer) MonitorState() {
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ticker := time.NewTicker(1 * time.Second)
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defer ticker.Stop()
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for {
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select {
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case <-ticker.C:
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{
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state, err := GetState()
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if err != nil {
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u.state = State{}
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log.Errorf("Failed to get process state: %v", err)
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continue
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}
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u.state = state
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}
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}
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}
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}
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func (u *UStreamer) GetState() State {
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return u.state
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}
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189
http/hw/stream/video.go
Normal file
189
http/hw/stream/video.go
Normal file
@@ -0,0 +1,189 @@
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package stream
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import (
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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"rkkvm/config"
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"rkkvm/http/hw/rtc"
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"strconv"
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"github.com/gin-gonic/gin"
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log "github.com/sirupsen/logrus"
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)
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/*
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{
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"ok": true,
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"result": {
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"instance_id": "",
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"encoder": {
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"type": "CPU",
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"quality": 80
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},
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"source": {
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"resolution": {
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"width": 1920,
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"height": 1080
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},
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"online": true,
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"desired_fps": 30,
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"captured_fps": 50
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},
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"stream": {
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"queued_fps": 26,
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"clients": 1,
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"clients_stat": {
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"2d90d210e837a19c": {
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"fps": 26,
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"extra_headers": false,
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"advance_headers": false,
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"dual_final_frames": false,
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"zero_data": false,
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"key": "0"
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}
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}
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}
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}
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}
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*/
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type State struct {
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Ok bool `json:"ok"`
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Result struct {
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InstanceID string `json:"instance_id"`
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Encoder struct {
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Type string `json:"type"`
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Quality int `json:"quality"`
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} `json:"encoder"`
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Source struct {
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Resolution struct {
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Width int `json:"width"`
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Height int `json:"height"`
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} `json:"resolution"`
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Online bool `json:"online"`
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DesiredFPS int `json:"desired_fps"`
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CapturedFPS int `json:"captured_fps"`
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} `json:"source"`
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Stream struct {
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QueuedFPS int `json:"queued_fps"`
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Clients int `json:"clients"`
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ClientsStat map[string]struct {
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FPS int `json:"fps"`
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ExtraHeaders bool `json:"extra_headers"`
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AdvanceHeaders bool `json:"advance_headers"`
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DualFinalFrames bool `json:"dual_final_frames"`
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ZeroData bool `json:"zero_data"`
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Key string `json:"key"`
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}
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} `json:"stream"`
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} `json:"result"`
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}
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func FormatHttpUrl() string {
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cfg := config.Get()
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return fmt.Sprintf("http://%s:%d", cfg.UStreamer.Host, cfg.UStreamer.Port)
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}
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func GetState() (State, error) {
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url := FormatHttpUrl() + "/state"
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rsp, err := http.Get(url)
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if err != nil {
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log.Errorf("Failed to get state: %v", err)
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return State{}, err
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}
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defer rsp.Body.Close()
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if rsp.StatusCode != http.StatusOK {
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log.Errorf("Invalid status code: %d", rsp.StatusCode)
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return State{}, err
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}
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var state State
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if err := json.NewDecoder(rsp.Body).Decode(&state); err != nil {
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log.Errorf("Failed to decode state: %v", err)
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return State{}, err
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}
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return state, nil
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}
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func MjpegHandler(c *gin.Context) {
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url := FormatHttpUrl() + "/stream"
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rsp, err := http.Get(url)
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if err != nil {
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c.String(http.StatusInternalServerError, "Failed to get stream")
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log.Errorf("Failed to get stream: %v", err)
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return
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}
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defer rsp.Body.Close()
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if rsp.StatusCode != http.StatusOK {
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c.String(rsp.StatusCode, "Invalid status code")
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return
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}
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c.Header("Content-Type", rsp.Header.Get("Content-Type"))
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buf := make([]byte, 1024*1024)
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_, err = io.CopyBuffer(c.Writer, rsp.Body, buf)
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if err != nil {
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c.String(http.StatusInternalServerError, "Failed to passthrough stream")
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log.Errorf("Failed to passthrough stream: %v", err)
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return
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}
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}
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func WebRTCHandshake(c *gin.Context) {
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str, err := c.GetRawData()
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if err != nil {
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c.String(http.StatusBadRequest, err.Error())
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return
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}
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log.Debugf("Client session description: %s", string(str))
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r := rtc.Get()
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localSession, err := r.Handshake(string(str))
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if err != nil {
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c.String(http.StatusBadRequest, err.Error())
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return
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}
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c.String(http.StatusOK, localSession)
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}
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func WebRTCSettings(c *gin.Context) {
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bitrateStr := c.Query("bitrate")
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fpsStr := c.Query("fps")
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if fpsStr == "" && bitrateStr == "" {
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c.String(http.StatusBadGateway, "please specify bitrate or fps parameters")
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return
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}
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ffmpeg := GetFFmpeg()
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if len(bitrateStr) > 0 {
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bitrate, err := strconv.Atoi(bitrateStr)
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if err != nil {
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c.String(http.StatusBadRequest, "wrong bitrate value")
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return
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}
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ffmpeg.SetBitrate(bitrate)
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}
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if len(fpsStr) > 0 {
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fps, err := strconv.Atoi(fpsStr)
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if err != nil {
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c.String(http.StatusBadRequest, "wrong fps value")
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return
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}
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ffmpeg.SetFPS(fps)
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}
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ffmpeg.Stop()
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ffmpeg.Start()
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}
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Reference in New Issue
Block a user