public int Write(float[] buffer, int offset, int count)
{
//Write as much as possible. That's either the amount passed in, or however much space is left in the buffer
var writeCount = Math.Min(_samples.Capacity - _samples.EstimatedUnreadCount, count);
if (_samples.Write(new ArraySegment <float>(buffer, offset, writeCount)))
{
return(writeCount);
}
return(0);
}
public void Send(float[] frame)
{
if (!_inputQueue.Write(frame))
{
Log.Warn("Failed to write microphone samples into input queue");
//Increment a counter to inform the pipeline that a frame was lost
Interlocked.Increment(ref _droppedFrames);
//We failed to process this frame, recycle the buffer
_inputBufferSource.Put(frame);
}
_threadEvent.Set();
}
internal static void SendLogMessage(string message, LogLevel level)
{
#if NCRUNCH
Console.WriteLine(message);
#else
var msg = new LogMessage(message, level);
if (_main == Thread.CurrentThread)
{
msg.Log();
}
else
{
LogsFromOtherThreads.Write(msg);
}
#endif
}
/// <summary>
/// Push a new encoded audio packet
/// </summary>
/// <param name="packet"></param>
/// <param name="now"></param>
/// <returns>How delayed this packet is from when it should arrive</returns>
public float Push(VoicePacket packet, DateTime now)
{
Log.Trace("Received frame {0} from network", packet.SequenceNumber);
// copy the data out of the frame, as the network thread will re-use the array
var array = _bytePool.Get();
var frame = packet.EncodedAudioFrame.CopyTo(array);
// queue the frame onto the transfer buffer
var copy = new EncodedAudio(packet.SequenceNumber, frame);
if (!_inputBuffer.Write(copy))
{
Log.Warn("Failed to write an encoded audio packet into the input transfer buffer");
}
//Copy across the stream metadata
//N.b. doing this means the metadata is surfaced <buffer length> too early
Priority = packet.Priority;
Positional = packet.Positional;
// calculate how late the packet is
if (!_firstFrameArrival.HasValue)
{
_firstFrameArrival = now;
_firstFrameSeq = packet.SequenceNumber;
return(0);
}
else
{
var expectedTime = _firstFrameArrival.Value + TimeSpan.FromTicks(_frameDuration.Ticks * (packet.SequenceNumber - _firstFrameSeq));
var delay = now - expectedTime;
return((float)delay.TotalSeconds);
}
}
void IClient.SendUnreliable(ArraySegment <byte> packet)
{
_queuedUnreliableTransmissions.Write(packet);
}