public static bool IsLoopedHcaStream(Stream stream)
{
var position = stream.Position;
bool result;
try {
// The cipher keys do nothing to validating HCA files.
var decoder = new HcaDecoder(stream, DecodeParams.Default);
result = decoder.HcaInfo.LoopFlag;
} catch (HcaException) {
result = false;
}
stream.Seek(position, SeekOrigin.Begin);
return(result);
}
public HcaAudioStream(Stream baseStream, DecodeParams decodeParams, AudioParams audioParams)
: base(baseStream, decodeParams)
{
var decoder = new HcaDecoder(baseStream, decodeParams);
_decoder = decoder;
_audioParams = audioParams;
var buffer = new byte[GetTotalAfterDecodingWaveDataSize()];
_memoryCache = new MemoryStream(buffer, true);
_decodedBlocks = new Dictionary <long, long>();
_decodeBuffer = new byte[decoder.GetMinWaveDataBufferSize()];
_hasLoop = decoder.HcaInfo.LoopFlag;
PrepareDecoding();
}