72 lines
2.1 KiB
Go
72 lines
2.1 KiB
Go
package main
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import (
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"context"
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"encoding/binary"
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"git.r-2.top/kunmeng/vdk/format/rtspv2"
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"git.r-2.top/kunmeng/vdk/format/ts"
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"log"
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"os/exec"
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"time"
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)
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func main() {
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RTSPClient, err := rtspv2.Dial(rtspv2.RTSPClientOptions{URL: "rtsp://192.168.211.210:8554", DisableAudio: true, DialTimeout: 3 * time.Second, ReadWriteTimeout: 5 * time.Second, Debug: false, OutgoingProxy: false})
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if err != nil {
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panic(err)
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}
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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cmd := exec.CommandContext(ctx, "ffmpeg", "-flags", "low_delay", "-analyzeduration", "1", "-fflags", "-nobuffer", "-probesize", "1024k", "-f", "mpegts", "-i", "-", "-vcodec", "libx264", "-preset", "ultrafast", "-bf", "0", "-f", "mpegts", "-max_muxing_queue_size", "400", "-pes_payload_size", "0", "pipe:1")
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inPipe, _ := cmd.StdinPipe()
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outPipe, _ := cmd.StdoutPipe()
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//cmd.Stderr = os.Stderr
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mux := ts.NewMuxer(inPipe)
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demuxer := ts.NewDemuxer(outPipe)
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codec := RTSPClient.CodecData
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mux.WriteHeader(codec)
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go func() {
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imNewCodec, err := demuxer.Streams()
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log.Println("new codec data", imNewCodec, err)
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//for i, data := range imNewCodec {
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// log.Println(i, data)
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//}
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for {
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demuxer.ReadPacket()
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//pkt, err := demuxer.ReadPacket()
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//if err != nil {
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// log.Panic(err)
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//}
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//log.Println("im new pkt ===>", pkt.Idx, pkt.Time)
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}
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}()
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cmd.Start()
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var start bool
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for {
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select {
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case signals := <-RTSPClient.Signals:
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switch signals {
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case rtspv2.SignalCodecUpdate:
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//?
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case rtspv2.SignalStreamRTPStop:
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return
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}
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case packetAV := <-RTSPClient.OutgoingPacketQueue:
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//log.Println(packetAV.Extensions)
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t := time.UnixMilli(int64(binary.LittleEndian.Uint32(packetAV.Extensions[20:24]))*1000 + int64(binary.LittleEndian.Uint32(packetAV.Extensions[24:28]))/1000)
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log.Println(t.Format("2006-01-02 15:04:05.000"))
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//println(binary.LittleEndian.Uint32(packetAV.Extensions[24:28]))
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//println(binary.LittleEndian.Uint32(packetAV.Extensions[20:24]))
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if packetAV.IsKeyFrame {
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start = true
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}
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if !start {
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continue
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}
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if err = mux.WritePacket(*packetAV); err != nil {
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return
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}
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}
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}
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}
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