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Make it look a bit like we're decoding atrac.

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Unknown W. Brackets 2013-02-01 21:16:59 -08:00
parent 23851e8b3b
commit acdbc20024
1 changed files with 69 additions and 15 deletions
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74
Core/HLE/sceAtrac.cpp
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@ -34,18 +34,22 @@
#define PSP_MODE_AT_3_PLUS 0x00001000
#define PSP_MODE_AT_3 0x00001001
const u32 ATRAC_MAX_SAMPLES = 1024;
struct Atrac {
Atrac() : decodePos(0), buffer(0), bufferSize(0) {}
Atrac() : decodePos(0), buffer(0), bufferSize(0), loopNum(0) {}
void DoState(PointerWrap &p) {
p.Do(decodePos);
p.Do(buffer);
p.Do(bufferSize);
p.Do(loopNum);
p.DoMarker("Atrac");
}
u32 decodePos;
u32 buffer;
u32 bufferSize;
int loopNum;
};
std::map<int, Atrac *> atracMap;
@ -155,18 +159,54 @@ u32 sceAtracDecodeData(int atracID, u32 outAddr, u32 numSamplesAddr, u32 finishF
ERROR_LOG_LIMITED(HLE, "FAKE sceAtracDecodeData(%i, %08x, %08x, %08x, %08x)", atracID, outAddr, numSamplesAddr, finishFlagAddr, remainAddr);
Atrac *atrac = getAtrac(atracID);
u32 ret = 0;
if (atrac != NULL) {
// We already passed the end - return an error (many games check for this.)
if (atrac->decodePos >= atrac->bufferSize && atrac->loopNum == 0) {
Memory::Write_U32(0, numSamplesAddr);
Memory::Write_U32(1, finishFlagAddr);
Memory::Write_U32(0, remainAddr);
ret = ATRAC_ERROR_ALL_DATA_DECODED;
} else {
// TODO: This isn't at all right, but at least it makes the music "last" some time.
u32 numSamples = (atrac->bufferSize - atrac->decodePos) / (sizeof(s16) * 2);
if (numSamples > ATRAC_MAX_SAMPLES) {
numSamples = ATRAC_MAX_SAMPLES;
}
// Should we loop?
if (numSamples == 0 && atrac->loopNum != 0) {
// Restart.
atrac->decodePos = 0;
if (atrac->loopNum > 0)
atrac->loopNum--;
numSamples = ATRAC_MAX_SAMPLES;
}
Memory::Memset(outAddr, 0, numSamples * sizeof(s16) * 2);
Memory::Write_U32(numSamples, numSamplesAddr);
atrac->decodePos += ATRAC_MAX_SAMPLES;
if (numSamples == 0) {
Memory::Write_U32(1, finishFlagAddr);
Memory::Write_U32(-1, remainAddr);
} else {
Memory::Write_U32(0, finishFlagAddr);
Memory::Write_U32(-1, remainAddr);
}
}
// TODO: Can probably remove this after we validate no wrong ids?
} else {
Memory::Write_U16(0, outAddr); // Write a single 16-bit stereo
Memory::Write_U16(0, outAddr + 2);
Memory::Write_U32(1, numSamplesAddr);
Memory::Write_U32(1, finishFlagAddr); // Lie that decoding is finished
Memory::Write_U32(-1, remainAddr); // Lie that decoding is finished
if (atrac != NULL) {
atrac->decodePos += 1;
}
return ATRAC_ERROR_ALL_DATA_DECODED;
return ret;
}
u32 sceAtracEndEntry()
@ -248,7 +288,7 @@ u32 sceAtracGetMaxSample(int atracID, u32 maxSamplesAddr)
//return -1;
}
if (Memory::IsValidAddress(maxSamplesAddr))
Memory::Write_U32(1024, maxSamplesAddr);
Memory::Write_U32(ATRAC_MAX_SAMPLES, maxSamplesAddr);
return 0;
}
@ -269,19 +309,29 @@ u32 sceAtracGetNextSample(int atracID, u32 outNAddr)
Atrac *atrac = getAtrac(atracID);
if (!atrac) {
//return -1;
}
Memory::Write_U32(1, outNAddr);
} else {
if (atrac->decodePos >= atrac->bufferSize) {
Memory::Write_U32(0, outNAddr);
} else {
// TODO: This is not correct.
u32 numSamples = (atrac->bufferSize - atrac->decodePos) / (sizeof(s16) * 2);
Memory::Write_U32(numSamples, outNAddr);
}
}
return 0;
}
u32 sceAtracGetRemainFrame(int atracID, u32 outposAddr)
u32 sceAtracGetRemainFrame(int atracID, u32 remainAddr)
{
ERROR_LOG_LIMITED(HLE, "sceAtracGetRemainFrame(%i, %08x)", atracID, outposAddr);
ERROR_LOG_LIMITED(HLE, "sceAtracGetRemainFrame(%i, %08x)", atracID, remainAddr);
Atrac *atrac = getAtrac(atracID);
if (!atrac) {
//return -1;
Memory::Write_U32(12, remainAddr); // outpos
} else {
Memory::Write_U32(-1, remainAddr);
}
Memory::Write_U32(12, outposAddr); // outpos
return 0;
}
@ -398,6 +448,10 @@ u32 sceAtracStartEntry()
u32 sceAtracSetLoopNum(int atracID, int loopNum)
{
ERROR_LOG_LIMITED(HLE, "UNIMPL sceAtracSetLoopNum(%i, %i)", atracID, loopNum);
Atrac *atrac = getAtrac(atracID);
if (atrac) {
atrac->loopNum = loopNum;
}
return 0;
}