public UmdBrowserSound(Memory mem, IVirtualFile vFile, int codecType, sceAtrac3plus.AtracFileInfo atracFileInfo)
{
initMemory(mem);
sbyte[] audioData = Utilities.readCompleteFile(vFile);
int atracBytesPerFrame = (((audioData[2] & 0x03) << 8) | ((audioData[3] & 0xFF) << 3)) + 8;
int headerLength = 8;
inputLength = 0;
for (int i = 0; i < audioData.Length; i += headerLength + atracBytesPerFrame)
{
write(mem, inputAddr + inputLength, audioData, i + headerLength, atracBytesPerFrame);
inputLength += atracBytesPerFrame;
}
atracFileInfo.atracBytesPerFrame = atracBytesPerFrame;
if (read(codecType, atracFileInfo))
{
startThread();
}
else
{
threadExit = true;
}
}
private bool read(sbyte[] data)
{
if (data == null || data.Length == 0)
{
return(false);
}
inputLength = data.Length;
IMemoryWriter memoryWriter = MemoryWriter.getMemoryWriter(inputAddr, inputLength, 1);
for (int i = 0; i < data.Length; i++)
{
memoryWriter.writeNext(data[i] & 0xFF);
}
memoryWriter.flush();
sceAtrac3plus.AtracFileInfo atracFileInfo = new sceAtrac3plus.AtracFileInfo();
int codecType = sceAtrac3plus.analyzeRiffFile(mem, inputAddr, inputLength, atracFileInfo);
if (codecType < 0)
{
return(false);
}
bool result = read(codecType, atracFileInfo);
return(result);
}
private bool read(int codecType, sceAtrac3plus.AtracFileInfo atracFileInfo)
{
codec = CodecFactory.getCodec(codecType);
if (codec == null)
{
return(false);
}
int result = codec.init(atracFileInfo.atracBytesPerFrame, atracFileInfo.atracChannels, atracFileInfo.atracChannels, atracFileInfo.atracCodingMode);
if (result < 0)
{
return(false);
}
AudioFormat audioFormat = new AudioFormat(44100, 16, atracFileInfo.atracChannels, true, false);
DataLine.Info info = new DataLine.Info(typeof(SourceDataLine), audioFormat);
try
{
mLine = (SourceDataLine)AudioSystem.getLine(info);
mLine.open(audioFormat);
}
catch (LineUnavailableException)
{
return(false);
}
mLine.start();
inputOffset = atracFileInfo.inputFileDataOffset;
inputPosition = inputOffset;
inputBytesPerFrame = atracFileInfo.atracBytesPerFrame;
channels = atracFileInfo.atracChannels;
return(true);
}
