public static Task <RTCMediaStreamTrackConfiguration> GetTrackConfigurationForCapabilities(RTCRtpCapabilities sourceCapabilities, RTCRtpCodecCapability preferredCodec)
{
if (preferredCodec == null)
{
throw new ArgumentNullException(nameof(preferredCodec));
}
return(Task.Run(() =>
{
var capabilities = RTCRtpCapabilities.Clone(sourceCapabilities);
// scoope: move prefered codec to be first in the list
{
var itemsToRemove = capabilities.Codecs.Where(x => x.PreferredPayloadType == preferredCodec.PreferredPayloadType).ToList();
if (itemsToRemove.Count > 0)
{
RTCRtpCodecCapability codecCapability = itemsToRemove.First();
var modifyList = capabilities.Codecs.ToList();
if (codecCapability != null && modifyList.IndexOf(codecCapability) > 0)
{
modifyList.Remove(codecCapability);
modifyList.Insert(0, codecCapability);
}
capabilities.Codecs = modifyList;
}
}
RTCMediaStreamTrackConfiguration configuration = new RTCMediaStreamTrackConfiguration()
{
Capabilities = capabilities
};
return configuration;
}));
}
private void AddTracks()
{
foreach (var track in videoStream.GetTracks())
{
pc1Senders.Add(_pc1.AddTrack(track, videoStream));
}
if (!videoUpdateStarted)
{
StartCoroutine(WebRTC.Update());
videoUpdateStarted = true;
}
RTCRtpCodecCapability[] codecs = null;
if (codecSelector.value == 0)
{
codecs = RTCRtpSender.GetCapabilities(TrackKind.Video).codecs;
}
else
{
RTCRtpCodecCapability preferredCodec = availableCodecs[codecSelector.value - 1];
codecs = new[] { preferredCodec };
}
RTCRtpTransceiver transceiver = _pc1.GetTransceivers().First();
RTCErrorType error = transceiver.SetCodecPreferences(codecs);
if (error != RTCErrorType.None)
{
Debug.LogErrorFormat("RTCRtpTransceiver.SetCodecPreferences failed. {0}", error);
}
}
public void SetCodec(RTCRtpCodecCapability codec)
{
this.videoCodec = codec;
}
