merge TrackPCMA and TrackPCMU into Track G711

This commit is contained in:
aler9
2022-11-27 19:36:46 +01:00
parent 150f16ae65
commit ab0c9e64c9
13 changed files with 124 additions and 353 deletions

View File

@@ -0,0 +1,73 @@
package main
import (
"log"
"github.com/aler9/gortsplib"
"github.com/aler9/gortsplib/pkg/url"
)
// This example shows how to
// 1. connect to a RTSP server and read all tracks on a path
// 2. check if there's a PCMA track
// 3. get PCMA frames of that track
func main() {
c := gortsplib.Client{}
// parse URL
u, err := url.Parse("rtsp://localhost:8554/mystream")
if err != nil {
panic(err)
}
// connect to the server
err = c.Start(u.Scheme, u.Host)
if err != nil {
panic(err)
}
defer c.Close()
// find published tracks
tracks, baseURL, _, err := c.Describe(u)
if err != nil {
panic(err)
}
// find the PCMA track
track := func() *gortsplib.TrackG711 {
for _, track := range tracks {
if tt, ok := track.(*gortsplib.TrackG711); ok {
return tt
}
}
return nil
}()
if track == nil {
panic("PCMA track not found")
}
// setup decoder
dec := track.CreateDecoder()
// called when a RTP packet arrives
c.OnPacketRTP = func(ctx *gortsplib.ClientOnPacketRTPCtx) {
// decode an PCMA packet from the RTP packet
op, _, err := dec.Decode(ctx.Packet)
if err != nil {
return
}
// print
log.Printf("received PCMA frame of size %d\n", len(op))
}
// setup and read the PCMA track only
err = c.SetupAndPlay(gortsplib.Tracks{track}, baseURL)
if err != nil {
panic(err)
}
// wait until a fatal error
panic(c.Wait())
}