private static void FillMediaPacket(IntPtr handle, MediaPacket mediaPacket)
{
Debug.Assert(handle != IntPtr.Zero);
if (mediaPacket == null)
{
throw new ArgumentNullException(nameof(mediaPacket));
}
InteropSource.FillMediaPacket(handle, mediaPacket.GetHandle()).
Validate("Failed to fill media packet");
}
/// <summary>
/// Pushes elementary stream to decode audio or video.
/// </summary>
/// <remarks>
/// This source must be set as a source to a WebRTC and the WebRTC must be in the
/// <see cref="WebRTCState.Negotiating"/> or <see cref="WebRTCState.Playing"/> state
/// </remarks>
/// <param name="packet">The <see cref="MediaPacket"/> to decode.</param>
/// <exception cref="InvalidOperationException">
/// This source is not set as a source to a WebRTC.<br/>
/// -or-<br/>
/// The WebRTC is not in the valid state.
/// </exception>
/// <exception cref="ArgumentNullException"><paramref name="packet"/> is null.</exception>
/// <exception cref="ObjectDisposedException"><paramref name="packet"/> has been disposed.</exception>
/// <exception cref="ArgumentException">
/// <paramref name="packet"/> is neither video nor audio type.<br/>
/// -or-<br/>
/// The format of packet is not matched with the specified format in the constructor.
/// </exception>
/// <seealso cref="WebRTC.AddSource"/>
/// <seealso cref="WebRTC.AddSources"/>
/// <seealso cref="MediaPacket"/>
/// <since_tizen> 9 </since_tizen>
public void Push(MediaPacket packet)
{
if (WebRtc == null)
{
Log.Error(WebRTCLog.Tag, "The source is not set as a source to a WebRTC yet.");
throw new InvalidOperationException("The source is not set as a source to a WebRTC yet.");
}
if (packet == null)
{
Log.Error(WebRTCLog.Tag, "packet is null");
throw new ArgumentNullException(nameof(packet));
}
if (packet.IsDisposed)
{
Log.Error(WebRTCLog.Tag, "packet is disposed");
throw new ObjectDisposedException(nameof(packet));
}
if (packet.Format.Type == MediaFormatType.Text || packet.Format.Type == MediaFormatType.Container)
{
Log.Error(WebRTCLog.Tag, "The format of the packet is invalid : " + packet.Format.Type);
throw new ArgumentException($"The format of the packet is invalid : {packet.Format.Type}.");
}
if (!packet.Format.Equals(_audioMediaFormat) && !packet.Format.Equals(_videoMediaFormat))
{
Log.Error(WebRTCLog.Tag, "The format of the packet is invalid : Unmatched format.");
throw new ArgumentException("The format of the packet is invalid : Unmatched format.");
}
if (packet.Format.Type == MediaFormatType.Video && _videoMediaFormat == null)
{
Log.Error(WebRTCLog.Tag, "Video is not configured with the current source.");
throw new ArgumentException("Video is not configured with the current source.");
}
if (packet.Format.Type == MediaFormatType.Audio && _audioMediaFormat == null)
{
Log.Error(WebRTCLog.Tag, "Audio is not configured with the current source.");
throw new ArgumentException("Audio is not configured with the current source.");
}
WebRtc.ValidateWebRTCState(WebRTCState.Negotiating, WebRTCState.Playing);
NativeWebRTC.PushMediaPacket(WebRtc.Handle, SourceId.Value, packet.GetHandle()).
ThrowIfFailed("Failed to push the packet to the WebRTC");
}
internal async Task <MediaPacket> RunAsync(TransformHandle handle, MediaPacket source)
{
Debug.Assert(source.Format is VideoMediaFormat);
ValidateFormat(source.Format as VideoMediaFormat);
var tcs = new TaskCompletionSource <MediaPacket>();
using (var cbKeeper = ObjectKeeper.Get(GetCallback(tcs, source)))
{
var result = NativeTransform.Run(handle, source.GetHandle(), cbKeeper.Target);
if (result == ImageUtilError.NotSupportedFormat)
{
throw new NotSupportedException(
GenerateNotSupportedErrorMessage(source.Format as VideoMediaFormat));
}
result.ThrowIfFailed("Failed to transform given packet with " + GetType());
return(await tcs.Task);
}
}
