public static VoiceChatPacket Compress(float[] sample)
{
VoiceChatPacket packet = new VoiceChatPacket();
packet.Compression = VoiceChatInnerSettings.Compression;
switch (packet.Compression)
{
/*
* case VoiceChatCompression.Raw:
* {
* short[] buffer = VoiceChatShortPool.Instance.Get();
*
* packet.Length = sample.Length * 2;
* sample.ToShortArray(shortBuffer);
* Buffer.BlockCopy(shortBuffer, 0, byteBuffer, 0, packet.Length);
* }
* break;
*
* case VoiceChatCompression.RawZlib:
* {
* packet.Length = sample.Length * 2;
* sample.ToShortArray(shortBuffer);
* Buffer.BlockCopy(shortBuffer, 0, byteBuffer, 0, packet.Length);
*
* packet.Data = ZlibCompress(byteBuffer, packet.Length);
* packet.Length = packet.Data.Length;
* }
* break;
*/
case VoiceChatCompression.Alaw:
{
packet.Length = sample.Length;
packet.Data = ALawCompress(sample);
}
break;
case VoiceChatCompression.AlawZlib:
{
byte[] alaw = ALawCompress(sample);
packet.Data = ZlibCompress(alaw, sample.Length);
packet.Length = packet.Data.Length;
VoiceChatBytePool.Instance.Return(alaw);
}
break;
case VoiceChatCompression.Speex:
{
packet.Data = SpeexCompress(sample, out packet.Length);
}
break;
}
return(packet);
}
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);
}
public static int Decompress(VoiceChatPacket packet, out float[] data)
{
return(Decompress(null, packet, out data));
}
