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Atrac: Correct remaining values when looping.

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Otherwise it was going negative, which was wrong.
This commit is contained in:
Unknown W. Brackets 2016-01-17 13:22:12 -08:00
parent d6c1f3158b
commit face527d7e
1 changed files with 14 additions and 5 deletions
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19
Core/HLE/sceAtrac.cpp
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@ -364,16 +364,25 @@ struct Atrac {
return PSP_ATRAC_ALLDATA_IS_ON_MEMORY;
}
if (currentSample_ >= endSample_ && loopNum_ == 0) {
if (bufferState_ == ATRAC_STATUS_STREAMED_WITHOUT_LOOP) {
return PSP_ATRAC_NONLOOP_STREAM_DATA_IS_ON_MEMORY;
} else if (bufferState_ == ATRAC_STATUS_STREAMED_LOOP_FROM_END || bufferState_ == ATRAC_STATUS_STREAMED_LOOP_WITH_TRAILER) {
u32 currentFileOffset = FileOffsetBySample(currentSample_ - SamplesPerFrame() + FirstOffsetExtra());
if ((bufferState_ & ATRAC_STATUS_STREAMED_MASK) == ATRAC_STATUS_STREAMED_MASK) {
if (currentFileOffset > first_.fileoffset) {
// We've looped in the data we added.
return PSP_ATRAC_LOOP_STREAM_DATA_IS_ON_MEMORY;
}
if (first_.fileoffset >= first_.filesize && loopNum_ == 0) {
// We don't need anything more; we're not planning to loop again.
return PSP_ATRAC_NONLOOP_STREAM_DATA_IS_ON_MEMORY;
}
}
// Since the first frame is shorter by this offset, add to round up at this offset.
const int remainingBytes = first_.fileoffset - FileOffsetBySample(currentSample_ - SamplesPerFrame() + FirstOffsetExtra());
const int remainingBytes = first_.fileoffset - currentFileOffset;
if (remainingBytes < 0) {
// Just in case. Shouldn't happen, but once did by mistake.
return 0;
}
return remainingBytes / bytesPerFrame_;
}