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https://github.com/aler9/gortsplib
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merge TrackPCMA and TrackPCMU into Track G711
This commit is contained in:
69
examples/client-publish-codec-g711/main.go
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69
examples/client-publish-codec-g711/main.go
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package main
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import (
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"log"
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"net"
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"github.com/aler9/gortsplib"
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"github.com/pion/rtp"
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)
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// This example shows how to
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// 1. generate RTP/PCMA packets with GStreamer
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// 2. connect to a RTSP server, announce a PCMA track
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// 3. route the packets from GStreamer to the server
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func main() {
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// open a listener to receive RTP/PCMA packets
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pc, err := net.ListenPacket("udp", "localhost:9000")
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if err != nil {
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panic(err)
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}
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defer pc.Close()
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log.Println("Waiting for a RTP/PCMA stream on UDP port 9000 - you can send one with GStreamer:\n" +
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"gst-launch-1.0 audiotestsrc freq=300 ! audioconvert ! audioresample ! audio/x-raw,rate=8000" +
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" ! alawenc ! rtppcmapay ! udpsink host=127.0.0.1 port=9000")
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// wait for first packet
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buf := make([]byte, 2048)
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n, _, err := pc.ReadFrom(buf)
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if err != nil {
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panic(err)
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}
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log.Println("stream connected")
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// create a PCMA track
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track := &gortsplib.TrackG711{}
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c := gortsplib.Client{}
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// connect to the server and start publishing the track
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err = c.StartPublishing("rtsp://localhost:8554/mystream",
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gortsplib.Tracks{track})
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if err != nil {
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panic(err)
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}
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defer c.Close()
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var pkt rtp.Packet
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for {
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// parse RTP packet
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err = pkt.Unmarshal(buf[:n])
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if err != nil {
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panic(err)
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}
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// route RTP packet to the server
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err = c.WritePacketRTP(0, &pkt)
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if err != nil {
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panic(err)
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}
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// read another RTP packet from source
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n, _, err = pc.ReadFrom(buf)
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if err != nil {
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panic(err)
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}
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}
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}
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