private Task Run()
{
return(Task.Run(async() =>
{
try
{
while (!_isPreloaded && !_cancelToken.IsCancellationRequested)
{
await Task.Delay(1).ConfigureAwait(false);
}
long nextTick = Environment.TickCount;
ushort seq = 0;
uint timestamp = 0;
while (!_cancelToken.IsCancellationRequested)
{
long tick = Environment.TickCount;
long dist = nextTick - tick;
if (dist <= 0)
{
if (_queuedFrames.TryDequeue(out Frame frame))
{
await _client.SetSpeakingAsync(true).ConfigureAwait(false);
_next.WriteHeader(seq, timestamp, false);
await _next.WriteAsync(frame.Buffer, 0, frame.Bytes).ConfigureAwait(false);
_bufferPool.Enqueue(frame.Buffer);
_queueLock.Release();
nextTick += _ticksPerFrame;
seq++;
timestamp += OpusEncoder.FrameSamplesPerChannel;
_silenceFrames = 0;
#if DEBUG
var _ = _logger?.DebugAsync($"Sent {frame.Bytes} bytes ({_queuedFrames.Count} frames buffered)");
#endif
}
else
{
while ((nextTick - tick) <= 0)
{
if (_silenceFrames++ < MaxSilenceFrames)
{
_next.WriteHeader(seq, timestamp, false);
await _next.WriteAsync(_silenceFrame, 0, _silenceFrame.Length).ConfigureAwait(false);
}
else
{
await _client.SetSpeakingAsync(false).ConfigureAwait(false);
}
nextTick += _ticksPerFrame;
seq++;
timestamp += OpusEncoder.FrameSamplesPerChannel;
}
#if DEBUG
var _ = _logger?.DebugAsync("Buffer underrun");
#endif
}
}
else
{
await Task.Delay((int)(dist) /*, _cancelToken*/).ConfigureAwait(false);
}
}
}
catch (OperationCanceledException) { }
}));
}
