webrtc: include in answer codecs that are actually in use

bluenviron · May 19, 2024 · e06a0cc · e06a0cc
1 parent 0ace308
commit e06a0cc
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Showing 10 changed files with 376 additions and 397 deletions.
diff --git a/internal/protocols/webrtc/api.go b/internal/protocols/webrtc/api.go
diff --git a/internal/protocols/webrtc/incoming_track.go b/internal/protocols/webrtc/incoming_track.go
@@ -19,6 +19,88 @@ const (
  keyFrameInterval = 2 * time.Second
 )
 
+var incomingVideoCodecs = []webrtc.RTPCodecParameters{
+ {
+ RTPCodecCapability: webrtc.RTPCodecCapability{
+ MimeType: webrtc.MimeTypeAV1,
+ ClockRate: 90000,
+ },
+ PayloadType: 96,
+ },
+ {
+ RTPCodecCapability: webrtc.RTPCodecCapability{
+ MimeType: webrtc.MimeTypeVP9,
+ ClockRate: 90000,
+ SDPFmtpLine: "profile-id=0",
+ },
+ PayloadType: 97,
+ },
+ {
+ RTPCodecCapability: webrtc.RTPCodecCapability{
+ MimeType: webrtc.MimeTypeVP9,
+ ClockRate: 90000,
+ SDPFmtpLine: "profile-id=1",
+ },
+ PayloadType: 98,
+ },
+ {
+ RTPCodecCapability: webrtc.RTPCodecCapability{
+ MimeType: webrtc.MimeTypeVP8,
+ ClockRate: 90000,
+ },
+ PayloadType: 99,
+ },
+ {
+ RTPCodecCapability: webrtc.RTPCodecCapability{
+ MimeType: webrtc.MimeTypeH264,
+ ClockRate: 90000,
+ SDPFmtpLine: "level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42001f",
+ },
+ PayloadType: 100,
+ },
+ {
+ RTPCodecCapability: webrtc.RTPCodecCapability{
+ MimeType: webrtc.MimeTypeH264,
+ ClockRate: 90000,
+ SDPFmtpLine: "level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42e01f",
+ },
+ PayloadType: 101,
+ },
+}
+
+var incomingAudioCodecs = []webrtc.RTPCodecParameters{
+ {
+ RTPCodecCapability: webrtc.RTPCodecCapability{
+ MimeType: webrtc.MimeTypeOpus,
+ ClockRate: 48000,
+ Channels: 2,
+ SDPFmtpLine: "minptime=10;useinbandfec=1;stereo=1;sprop-stereo=1",
+ },
+ PayloadType: 111,
+ },
+ {
+ RTPCodecCapability: webrtc.RTPCodecCapability{
+ MimeType: webrtc.MimeTypeG722,
+ ClockRate: 8000,
+ },
+ PayloadType: 9,
+ },
+ {
+ RTPCodecCapability: webrtc.RTPCodecCapability{
+ MimeType: webrtc.MimeTypePCMU,
+ ClockRate: 8000,
+ },
+ PayloadType: 0,
+ },
+ {
+ RTPCodecCapability: webrtc.RTPCodecCapability{
+ MimeType: webrtc.MimeTypePCMA,
+ ClockRate: 8000,
+ },
+ PayloadType: 8,
+ },
+}
+
 // IncomingTrack is an incoming track.
 type IncomingTrack struct {
  track *webrtc.TrackRemote