/
main.go
75 lines (63 loc) · 1.66 KB
/
main.go
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package main
import (
"log"
"net"
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 packets with Gstreamer
// 2. connect to a RTSP server, announce an H264 track
// 3. route the packets from Gstreamer to the server
func main() {
// open a listener to receive RTP/H264 packets
pc, err := net.ListenPacket("udp", "localhost:9000")
if err != nil {
panic(err)
}
defer pc.Close()
log.Println("Waiting for a RTP/H264 stream on UDP port 9000 - you can send one with Gstreamer:\n" +
"gst-launch-1.0 videotestsrc ! video/x-raw,width=1920,height=1080" +
" ! x264enc speed-preset=veryfast tune=zerolatency bitrate=600000" +
" ! 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()
buf := make([]byte, 2048)
var pkt rtp.Packet
for {
// read packets from the source
n, _, err := pc.ReadFrom(buf)
if err != nil {
panic(err)
}
// 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 {
panic(err)
}
}
}