private void RestartAudio()
{
if (aScreamer != null)
{
aScreamer.Abort();
}
if (decoder.hasAudio)
{
Log("[AUDIO SCREAMER] Restarting ...");
aScreamer = new Thread(() => {
decoder.PauseAudio();
if (!isPlaying || videoStartTicks == -1)
{
return;
}
Thread.Sleep(20);
lock (aFrames) aFrames = new ConcurrentQueue <MediaFrame>();
AudioResetClbk.Invoke();
decoder.SeekAccurate((int)((CurTime - audioExternalDelay) / 10000) - 50, FFmpeg.AutoGen.AVMediaType.AVMEDIA_TYPE_AUDIO);
decoder.RunAudio();
while (isPlaying && (decoder.hasAudio && aFrames.Count < AUDIO_MIX_QUEUE_SIZE))
{
Thread.Sleep(20);
}
try
{
AudioScreamer();
} catch (Exception) { }
});
aScreamer.SetApartmentState(ApartmentState.STA);
aScreamer.Start();
}
}
private bool ResynchAudio(long syncTimestamp)
{
// Give it 1 Second
if (DateTime.UtcNow.Ticks - audioLastSyncTicks < 10000000)
{
return(false);
}
audioLastSyncTicks = DateTime.UtcNow.Ticks;
lock (aFrames)
{
Log("[AUDIO] Resynch Request to -> " + syncTimestamp / 10000);
// Initialize Audio Player / Clear Audio Frames
AudioResetClbk.BeginInvoke(null, null);
aFrames = new Queue <MediaFrame>();
// Seek Audio Decoder (syncTimestamp - 2 Audio Frames) to ensure audioFirstTimeStamp < syncTimestamp (-50ms to make sure will get a previous Frame within QueueSize)
decoder.SeekAccurate((int)((syncTimestamp / 10000) - 50), FFmpeg.AutoGen.AVMediaType.AVMEDIA_TYPE_AUDIO);
decoder.RunAudio();
// Fill Audio Frames
int escapeInfinity = 0;
while (aFrames.Count < AUDIO_MIX_QUEUE_SIZE && isPlaying && decoder.isRunning)
{
escapeInfinity++;
Thread.Sleep(10);
if (escapeInfinity > 50)
{
Log("[ERROR EI2] Audio Frames Queue will not be filled by decoder"); return(false);
}
}
// Validate We have AudioTimestamp < syncTimestamp
MediaFrame aFrame = aFrames.Peek();
MediaFrame aFramePrev = new MediaFrame();
if (aFrame.timestamp > syncTimestamp)
{
Log("[AUDIO] Failed to force aFrame.timestamp < syncTimestamp (" + ", audioTimestamp: " + aFrame.timestamp + ", syncTimestamp: " + syncTimestamp + ")");
audioFlowTicks = DateTime.UtcNow.Ticks;
audioFlowBytes = 0;
SendAudioFrames();
return(false);
}
// Find Closest Audio Timestamp and Cut It precise
while (aFrame.timestamp <= syncTimestamp && isPlaying)
{
if (aFrames.Count < 2)
{
return(false);
}
aFramePrev = aFrames.Dequeue();
aFrame = aFrames.Peek();
}
if (!isPlaying)
{
return(false);
}
int removeBytes = (int)Math.Round((syncTimestamp - aFramePrev.timestamp) / ((1.0 / audioBytesPerSecond) * 10000 * 1000));
if (removeBytes > aFramePrev.data.Length)
{
removeBytes = aFramePrev.data.Length;
}
// Reset Timers & Fill Audio Player
AudioFrameClbk(aFramePrev.data, removeBytes, aFramePrev.data.Length - removeBytes);
audioFlowTicks = DateTime.UtcNow.Ticks;
audioFlowBytes = 0;
SendAudioFrames();
Log("[AUDIO] Resynch Successfully to -> " + aFramePrev.timestamp / 10000 + " ++");
return(true);
}
}
