private NativeTransform.TransformCompletedCallback GetCallback(TaskCompletionSource <MediaPacket> tcs,
MediaPacket source)
{
return((nativehandle, errorCode, _) =>
{
if (errorCode == ImageUtilError.None)
{
try
{
tcs.TrySetResult(MediaPacket.From(Marshal.PtrToStructure <IntPtr>(nativehandle)));
}
catch (Exception e)
{
tcs.TrySetException(e);
}
}
else if (errorCode == ImageUtilError.NotSupportedFormat)
{
tcs.TrySetException(new NotSupportedException(
GenerateNotSupportedErrorMessage(source.Format as VideoMediaFormat)));
}
else
{
tcs.TrySetException(errorCode.ToException("Image transformation failed"));
}
});
}
internal OutputAvailableEventArgs(IntPtr packetHandle)
{
Packet = MediaPacket.From(packetHandle);
}
private void RegisterVideoFrameEncodedCallback()
{
_webRtcVideoFrameEncodedCallback = (handle, type, id, packet, _) =>
{
Log.Info(WebRTCLog.Tag, $"Track type[{type}], id[{id}]");
_videoFrameEncoded?.Invoke(this,
new WebRTCFrameEncodedEventArgs(new MediaStreamTrack(this, type, id), MediaPacket.From(packet)));
};
NativeWebRTC.SetVideoFrameEncodedCb(Handle, _webRtcVideoFrameEncodedCallback).
ThrowIfFailed("Failed to set video frame encoded callback.");
}