public static byte[] Decode(IAudioDecoder input)
{
const int bufferSize = 10 * 1024;
IntPtr buffer = Marshal.AllocHGlobal(bufferSize);
byte[] decodedSound = new byte[1024 * 64];
try {
int blockSize = input.GetBlockSize();
int needToRead = bufferSize / blockSize;
int totalRead = 0;
while (true)
{
int actuallyRead = input.ReadBlocks(buffer, 0, needToRead);
if (actuallyRead == 0)
{
break;
}
totalRead += actuallyRead;
if (totalRead * blockSize > decodedSound.Length)
{
Array.Resize(ref decodedSound, totalRead * blockSize * 3 / 2);
}
Marshal.Copy(buffer, decodedSound, (totalRead - actuallyRead) * blockSize, actuallyRead * blockSize);
}
Array.Resize(ref decodedSound, totalRead * blockSize);
} finally {
Marshal.FreeHGlobal(buffer);
}
return(decodedSound);
}
private bool FillBuffer(int buffer)
{
int totalRead = 0;
int needToRead = BufferSize / decoder.GetBlockSize();
while (true)
{
int actuallyRead = decoder.ReadBlocks(decodedData, totalRead, needToRead - totalRead);
totalRead += actuallyRead;
if (totalRead == needToRead || !looping)
{
break;
}
decoder.Rewind();
}
if (totalRead > 0)
{
ALFormat format = (decoder.GetFormat() == AudioFormat.Stereo16) ? ALFormat.Stereo16 : ALFormat.Mono16;
int dataSize = totalRead * decoder.GetBlockSize();
AL.BufferData(buffer, format, decodedData, dataSize, decoder.GetFrequency());
return(true);
}
return(false);
}