public static int Decompress(NSpeex.SpeexDecoder speexDecoder, VoiceChatPacket packet, out float[] data)
{
switch (packet.Compression)
{
/*
case VoiceChatCompression.Raw:
{
short[9 buffer
Buffer.BlockCopy(packet.Data, 0, shortBuffer, 0, packet.Length);
shortBuffer.ToFloatArray(data, packet.Length / 2);
return packet.Length / 2;
}
case VoiceChatCompression.RawZlib:
{
byte[] unzipedData = ZlibDecompress(packet.Data, packet.Length);
Buffer.BlockCopy(unzipedData, 0, shortBuffer, 0, unzipedData.Length);
shortBuffer.ToFloatArray(data, unzipedData.Length / 2);
return unzipedData.Length / 2;
}
*/
case VoiceChatCompression.Speex:
{
data = SpeexDecompress(speexDecoder, packet.Data, packet.Length);
return data.Length;
}
case VoiceChatCompression.Alaw:
{
data = ALawDecompress(packet.Data, packet.Length);
return packet.Length;
}
case VoiceChatCompression.AlawZlib:
{
byte[] alaw = ZlibDecompress(packet.Data, packet.Length);
data = ALawDecompress(alaw, alaw.Length);
return alaw.Length;
}
}
data = new float[0];
return 0;
}
static float[] SpeexDecompress(NSpeex.SpeexDecoder speexDec, byte[] data, int dataLength)
{
float[] decoded = VoiceChatFloatPool.Instance.Get();
short[] shortBuffer = VoiceChatShortPool.Instance.Get();
speexDec.Decode(data, 0, dataLength, shortBuffer, 0, false);
shortBuffer.ToFloatArray(decoded, shortBuffer.Length);
VoiceChatShortPool.Instance.Return(shortBuffer);
return decoded;
}
