@HLELogging(level = "info")
@HLEFunction(nid = 0x1575D64B, version = 620)
public int sceAtracLowLevelInitDecoder(
@CheckArgument("checkAtracID") int atID, TPointer32 paramsAddr) {
int numberOfChannels = paramsAddr.getValue(0);
int outputChannels = paramsAddr.getValue(4);
int sourceBufferLength = paramsAddr.getValue(8);
if (log.isDebugEnabled()) {
log.debug(
String.format(
"sceAtracLowLevelInitDecoder values at %s: numberOfChannels=%d, outputChannels=%d, sourceBufferLength=0x%08X",
paramsAddr, numberOfChannels, outputChannels, sourceBufferLength));
}
AtracID id = atracIDs[atID];
int result = 0;
id.setChannels(numberOfChannels);
id.setOutputChannels(outputChannels);
id.setSourceBufferLength(sourceBufferLength);
// TODO How to find out the codingMode for AT3 audio? Assume STEREO, not JOINT_STEREO
result = id.getCodec().init(sourceBufferLength, numberOfChannels, outputChannels, 0);
id.setCodecInitialized();
return result;
}
@HLEFunction(nid = 0x0C116E1B, version = 620)
public int sceAtracLowLevelDecode(
@CheckArgument("checkAtracID") int atID,
TPointer sourceAddr,
TPointer32 sourceBytesConsumedAddr,
TPointer samplesAddr,
TPointer32 sampleBytesAddr) {
AtracID id = atracIDs[atID];
ICodec codec = id.getCodec();
if (log.isTraceEnabled()) {
log.trace(
String.format(
"sceAtracLowLevelDecode input:%s",
Utilities.getMemoryDump(sourceAddr.getAddress(), id.getSourceBufferLength())));
}
int sourceBytesConsumed = 0;
int bytesPerSample = id.getOutputChannels() << 1;
int result =
codec.decode(sourceAddr.getAddress(), id.getSourceBufferLength(), samplesAddr.getAddress());
if (log.isDebugEnabled()) {
log.debug(String.format("sceAtracLowLevelDecode codec returned 0x%08X", result));
}
if (result < 0) {
log.info(String.format("sceAtracLowLevelDecode codec returning 0x%08X", result));
return result;
}
sourceBytesConsumed = result > 0 ? id.getSourceBufferLength() : 0;
sampleBytesAddr.setValue(codec.getNumberOfSamples() * bytesPerSample);
// Consume a part of the Atrac3 source buffer
sourceBytesConsumedAddr.setValue(sourceBytesConsumed);
Modules.ThreadManForUserModule.hleKernelDelayThread(atracDecodeDelay, false);
return 0;
}
