/
main.go
99 lines (83 loc) · 1.95 KB
/
main.go
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package main
import (
"log"
"net"
"time"
gortsplib "github.com/kuartis/gortsplib_go"
"github.com/kuartis/gortsplib_go/pkg/rtph264"
"github.com/kuartis/rtp"
)
// This example shows how to
// 1. generate RTP/H264 frames from a file with Gstreamer
// 2. connect to a RTSP server, announce an H264 track
// 3. write the frames to the server for 5 seconds
// 4. pause for 5 seconds
// 5. repeat
func main() {
// open a listener to receive RTP/H264 frames
pc, err := net.ListenPacket("udp", "localhost:9000")
if err != nil {
panic(err)
}
defer pc.Close()
log.Println("Waiting for a rtp/h264 stream on port 9000 - you can send one with gstreamer:\n" +
"gst-launch-1.0 filesrc location=video.mp4 ! qtdemux ! video/x-h264" +
" ! h264parse config-interval=1 ! rtph264pay ! udpsink host=127.0.0.1 port=9000")
// get SPS and PPS
decoder := rtph264.NewDecoder()
sps, pps, err := decoder.ReadSPSPPS(rtph264.PacketConnReader{pc})
if err != nil {
panic(err)
}
log.Println("stream connected")
// create an H264 track
track, err := gortsplib.NewTrackH264(96, sps, pps, nil)
if err != nil {
panic(err)
}
c := gortsplib.Client{}
// connect to the server and start publishing the track
err = c.StartPublishing("rtsp://localhost:8554/mystream",
gortsplib.Tracks{track})
if err != nil {
panic(err)
}
defer c.Close()
for {
go func() {
buf := make([]byte, 2048)
var pkt rtp.Packet
for {
// read packets from the source
n, _, err := pc.ReadFrom(buf)
if err != nil {
break
}
// marshal RTP packets
err = pkt.Unmarshal(buf[:n])
if err != nil {
panic(err)
}
// route RTP packets to the server
err = c.WritePacketRTP(0, &pkt)
if err != nil {
break
}
}
}()
// wait
time.Sleep(5 * time.Second)
// pause
_, err := c.Pause()
if err != nil {
panic(err)
}
// wait
time.Sleep(5 * time.Second)
// record again
_, err = c.Record()
if err != nil {
panic(err)
}
}
}