internal void AddDecodedAudio(float[] pcmData, int pcmLength, byte[] posData, bool reevaluateInitialBuffer)
{
DecodedPacket decodedPacket = new DecodedPacket
{
PcmData = pcmData,
PosData = posData,
PcmLength = pcmLength,
ReadOffset = 0
};
//if (reevaluateInitialBuffer)
//Debug.Log("Will refill our initial buffer");
int count = 0;
lock (_bufferLock)
{
count = _decodedBuffer.Count;
if (count > MumbleConstants.RECEIVED_PACKET_BUFFER_SIZE)
{
// TODO this seems to happen at times
Debug.LogWarning("Max recv buffer size reached, dropping for user " + _name);
}
else
{
_decodedBuffer.Enqueue(decodedPacket);
Interlocked.Add(ref _decodedCount, pcmLength);
// this is set if the previous received packet was a last packet
// or if there was an abrupt change in sequence number
if (reevaluateInitialBuffer)
{
HasFilledInitialBuffer = false;
}
if (!HasFilledInitialBuffer && (count + 1 >= InitialSampleBuffer))
{
HasFilledInitialBuffer = true;
}
}
}
// Make sure the next position data is loaded
lock (_posLock)
{
if (_nextPosData == null)
{
_nextPosData = posData;
}
}
//Debug.Log("Adding " + pcmLength + " num packets: " + count + " total decoded: " + _decodedCount);
}
/// <summary>
/// Read data that has already been decoded
/// </summary>
/// <param name="dst"></param>
/// <param name="dstOffset"></param>
/// <param name="count"></param>
/// <returns></returns>
private int ReadFromBuffer(float[] dst, int dstOffset, int count)
{
// Get the next DecodedPacket to use
int numInSample = _currentPacket.PcmLength - _currentPacket.ReadOffset;
if (numInSample == 0)
{
lock (_bufferLock)
{
if (_decodedBuffer.Count == 0)
{
Debug.LogError("No available decode buffers!");
return(0);
}
_currentPacket = _decodedBuffer.Dequeue();
// If we have a packet, let's update the positions
lock (_posLock)
{
_lastBufferTime = AudioSettings.dspTime;
_previousPosData = _currentPacket.PosData;
_nextPosData = null;
// try to load the next buffer
if (_decodedBuffer.Count > 0)
{
_nextPosData = _decodedBuffer.Peek().PosData;
}
}
numInSample = _currentPacket.PcmLength - _currentPacket.ReadOffset;
}
}
int readCount = Math.Min(numInSample, count);
Array.Copy(_currentPacket.PcmData, _currentPacket.ReadOffset, dst, dstOffset, readCount);
//Debug.Log("We have: "
//+ _decodedCount + " samples decoded "
//+ numInSample + " samples in curr packet "
//+ _currentPacket.ReadOffset + " read offset "
//+ readCount + " numRead");
Interlocked.Add(ref _decodedCount, -readCount);
_currentPacket.ReadOffset += readCount;
return(readCount);
}
public void Reset()
{
lock (_bufferLock)
{
_name = null;
if (_session != 0)
{
_audioDecodeThread.RemoveDecoder(_session);
}
NumPacketsLost = 0;
HasFilledInitialBuffer = false;
_decodedCount = 0;
_decodedBuffer.Clear();
_currentPacket = new DecodedPacket {
};
_session = 0;
}
lock (_posLock)
{
_previousPosData = null;
_nextPosData = null;
_lastBufferTime = 0;
}
}
