/// <summary>
/// Initialize AV frame player.
/// </summary>
/// <returns>Task denoting creation of the player with initial frames enqueued.</returns>
private async Task StartAudioVideoFramePlayerAsync()
{
try
{
await Task.WhenAll(this.audioSendStatusActive.Task, this.videoSendStatusActive.Task).ConfigureAwait(false);
this.logger.Info("Send status active for audio and video Creating the audio video player");
this.audioVideoFramePlayerSettings =
new AudioVideoFramePlayerSettings(new AudioSettings(20), new VideoSettings(), 1000);
this.audioVideoFramePlayer = new AudioVideoFramePlayer(
(AudioSocket)this.audioSocket,
(VideoSocket)this.mainVideoSocket,
this.audioVideoFramePlayerSettings);
this.logger.Info("created the audio video player");
this.audioVideoFramePlayer.LowOnFrames += this.OnAudioVideoFramePlayerLowOnFrames;
// Create AV buffers
var currentTick = DateTime.Now.Ticks;
this.CreateAVBuffers(currentTick, replayed: false);
await this.audioVideoFramePlayer.EnqueueBuffersAsync(this.audioMediaBuffers, this.videoMediaBuffers).ConfigureAwait(false);
}
catch (Exception ex)
{
this.logger.Error(ex, "Failed to create the audioVideoFramePlayer with exception");
}
finally
{
this.startVideoPlayerCompleted.TrySetResult(true);
}
}
private async Task StartTTS()
{
// wait for the audio channel to be active
await Task.WhenAll(_audioSendStatusActive.Task);
// create an audio/video frame player with audio channel only
AudioVideoFramePlayer audioVideoFramePlayer = new AudioVideoFramePlayer(_audioSocket, null, new AudioVideoFramePlayerSettings(new AudioSettings(20), new VideoSettings(), 1000));
// list of AudioMediaBuffer to be sent to the player... we will populate this buffers with the audio coming from the two TTS engines
var audioMediaBuffers = new List <AudioMediaBuffer>();
// reference time tick for the audio buffers
var referenceTimeTicks = DateTime.Now.Ticks;
String text = "I'm completely operational, and all my circuits are functioning perfectly.";
// create the local TTS engine
ITtsEngine localTts = new TtsEngineLocal();
referenceTimeTicks = populateAudioBuffersFromStream(localTts.SynthesizeText(text), audioMediaBuffers, referenceTimeTicks);
// create the TTS service engine
ITtsEngine serviceTts = new TtsEngineService();
populateAudioBuffersFromStream(serviceTts.SynthesizeText(text), audioMediaBuffers, referenceTimeTicks);
// enqueue the audio buffers, passing an empty list of video buffers since our player is audio only
await audioVideoFramePlayer.EnqueueBuffersAsync(audioMediaBuffers, new List <VideoMediaBuffer>());
}
private async Task StartAudioVideoFramePlayer()
{
try
{
await Task.WhenAll(_audioSendStatusActive.Task, _videoSendStatusActive.Task);
Log.Info(
new CallerInfo(),
LogContext.Media,
"Send status active for audio and video Creating the audio video player");
AudioVideoFramePlayerSettings settings = new AudioVideoFramePlayerSettings(new AudioSettings(20), new VideoSettings(), _mediaBufferToLoadInSeconds * 1000);
_audioVideoFramePlayer = new AudioVideoFramePlayer(_audioSocket, _videoSocket, settings);
Log.Info(
new CallerInfo(),
LogContext.Media,
"created the audio video player");
_downloadManager.ConnectToStorageAccount();
_audioVideoFramePlayer.LowOnFrames += OnLowOnFrames;
var currentTick = DateTime.Now.Ticks;
_videoMediaBuffers = _downloadManager.GetVideoMediaBuffers(currentTick);
_audioMediaBuffers = _downloadManager.GetAudioMediaBuffers(currentTick);
//update the tick for next iteration
_mediaTick = Math.Max(_audioMediaBuffers.Last().Timestamp, _videoMediaBuffers.Last().Timestamp);
await _audioVideoFramePlayer.EnqueueBuffersAsync(_audioMediaBuffers, _videoMediaBuffers);
}
finally
{
_startVideoPlayerCompleted.Set();
}
}
/// <summary>
/// Creates the vbss player that will stream the video buffers for the sharer.
/// </summary>
private void CreateVbssFramePlayer()
{
try
{
this.logger.Info("Creating the vbss FramePlayer");
this.audioVideoFramePlayerSettings =
new AudioVideoFramePlayerSettings(new AudioSettings(20), new VideoSettings(), 1000);
this.vbssFramePlayer = new AudioVideoFramePlayer(
null,
(VideoSocket)this.vbssSocket,
this.audioVideoFramePlayerSettings);
this.vbssFramePlayer.LowOnFrames += this.OnVbssPlayerLowOnFrames;
}
catch (Exception ex)
{
this.logger.Error(ex, $"Failed to create the vbssFramePlayer with exception {ex}");
}
}
private async Task StartTTVS()
{
// wait for both the audio and video channels to be active
await Task.WhenAll(_audioSendStatusActive.Task, _videoSendStatusActive.Task);
// create an audio/video frame player
audioVideoFramePlayer = new AudioVideoFramePlayer(_audioSocket, _videoSocket, new AudioVideoFramePlayerSettings(new AudioSettings(20), new VideoSettings(), 1000));
// lists of buffers to be sent to the player... we will populate this buffers with the audio/video coming from the TTVS engines
var audioMediaBuffers = new List <AudioMediaBuffer>();
var videoMediaBuffers = new List <VideoMediaBuffer>();
// create the TTVS engine and generate the media buffers
TtvsEngine ttvsEngine = new TtvsEngine(_defaultVideoFormat);
string welcomeText = "I'm completely operational, and all my circuits are functioning perfectly!";
ttvsEngine.SynthesizeText(welcomeText, audioMediaBuffers, videoMediaBuffers);
await audioVideoFramePlayer.EnqueueBuffersAsync(audioMediaBuffers, videoMediaBuffers);
}
