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https://github.com/aler9/gortsplib
synced 2025-10-05 23:26:54 +08:00
merge TrackPCMA and TrackPCMU into Track G711
This commit is contained in:
73
examples/client-read-codec-g711/main.go
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73
examples/client-read-codec-g711/main.go
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package main
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import (
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"log"
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"github.com/aler9/gortsplib"
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"github.com/aler9/gortsplib/pkg/url"
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)
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// This example shows how to
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// 1. connect to a RTSP server and read all tracks on a path
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// 2. check if there's a PCMA track
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// 3. get PCMA frames of that track
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func main() {
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c := gortsplib.Client{}
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// parse URL
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u, err := url.Parse("rtsp://localhost:8554/mystream")
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if err != nil {
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panic(err)
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}
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// connect to the server
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err = c.Start(u.Scheme, u.Host)
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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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// find published tracks
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tracks, baseURL, _, err := c.Describe(u)
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if err != nil {
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panic(err)
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}
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// find the PCMA track
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track := func() *gortsplib.TrackG711 {
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for _, track := range tracks {
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if tt, ok := track.(*gortsplib.TrackG711); ok {
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return tt
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}
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}
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return nil
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}()
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if track == nil {
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panic("PCMA track not found")
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}
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// setup decoder
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dec := track.CreateDecoder()
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// called when a RTP packet arrives
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c.OnPacketRTP = func(ctx *gortsplib.ClientOnPacketRTPCtx) {
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// decode an PCMA packet from the RTP packet
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op, _, err := dec.Decode(ctx.Packet)
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if err != nil {
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return
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}
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// print
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log.Printf("received PCMA frame of size %d\n", len(op))
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}
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// setup and read the PCMA track only
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err = c.SetupAndPlay(gortsplib.Tracks{track}, baseURL)
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if err != nil {
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panic(err)
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}
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// wait until a fatal error
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panic(c.Wait())
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}
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