private async Task <PPError> ConfigureAsyncCore(MediaStreamAudioTrackAttributes attributes, MessageLoop messageLoop = null)
{
var tcs = new TaskCompletionSource <PPError>();
EventHandler <PPError> handler = (s, e) => { tcs.TrySetResult(e); };
try
{
HandleConfigure += handler;
if (MessageLoop == null && messageLoop == null)
{
Configure(attributes);
}
else
{
Action <PPError> action = new Action <PPError>((e) =>
{
var result = (PPError)PPBMediaStreamAudioTrack.Configure(this, attributes.ToAttributes(),
new BlockUntilComplete()
);
tcs.TrySetResult(result);
}
);
InvokeHelper(action, messageLoop);
}
return(await tcs.Task);
}
catch (Exception exc)
{
Console.WriteLine(exc.Message);
tcs.SetException(exc);
return(PPError.Aborted);
}
finally
{
HandleConfigure -= handler;
}
}
/// <summary>
/// Configures underlying buffer buffers for incoming audio samples.
/// If the application doesn't want to drop samples, then the
/// <code>Buffers</code> should be
/// chosen such that inter-buffer processing time variability won't overrun
/// all input buffers. If all buffers are filled, then samples will be
/// dropped. The application can detect this by examining the timestamp on
/// returned buffers. If <code>Configure()</code> is not called, default
/// settings will be used. Calls to Configure while the plugin holds
/// buffers will fail.
/// Example usage from plugin code:
/// <code>
/// var attribs = new MediaStreamAudioTrackAttributes() {
/// Buffers = 4,
/// Duration, 10
/// };
/// track.Configure(attribs);
/// </code>
/// </summary>
/// <param name="attributes">A MediaStreamAudioTrackAttributes instance</param>
/// <returns>Error code</returns>
public PPError Configure(MediaStreamAudioTrackAttributes attributes)
=> (PPError)PPBMediaStreamVideoTrack.Configure(this, attributes.ToAttributes(), new CompletionCallback(OnConfigure));
/// <summary>
/// Configures underlying buffer buffers for incoming audio samples asynchronously.
/// If the application doesn't want to drop samples, then the
/// <code>Buffers</code> should be
/// chosen such that inter-buffer processing time variability won't overrun
/// all input buffers. If all buffers are filled, then samples will be
/// dropped. The application can detect this by examining the timestamp on
/// returned buffers. If <code>Configure()</code> is not called, default
/// settings will be used. Calls to Configure while the plugin holds
/// buffers will fail.
/// Example usage from plugin code:
/// <code>
/// var attribs = new MediaStreamAudioTrackAttributes() {
/// Buffers = 4,
/// Duration, 10
/// };
/// track.Configure(attribs);
/// </code>
/// </summary>
/// <param name="attributes">A MediaStreamAudioTrackAttributes instance</param>
/// <param name="messageLoop">Optional MessageLoop instance that can be used to post the command to</param>
/// <returns>Error code</returns>
public Task <PPError> ConfigureAsync(MediaStreamAudioTrackAttributes attributes, MessageLoop messageLoop = null)
=> ConfigureAsyncCore(attributes, messageLoop);