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Preprocess sound resource: Convert big-endian raw PCM to little-endian

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Iliyas Jorio 2022-05-15 10:47:52 +02:00
parent 010d57bf8d
commit 801d7e8d1e
1 changed files with 13 additions and 1 deletions
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14
src/SoundFormats/SoundFormats.cpp
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@ -274,11 +274,23 @@ Boolean Pomme_DecompressSoundResource(SndListHandle* sndHandlePtr, long* offsetT
if (!inInfo.isCompressed) if (!inInfo.isCompressed)
{ {
// Raw big-endian PCM // Raw PCM
if (inInfo.decompressedLength != inInfo.compressedLength) if (inInfo.decompressedLength != inInfo.compressedLength)
throw std::runtime_error("decompressedLength != compressedLength???"); throw std::runtime_error("decompressedLength != compressedLength???");
memcpy(outDataStart, inDataStart, inInfo.decompressedLength); memcpy(outDataStart, inDataStart, inInfo.decompressedLength);
// If it's big endian, swap the bytes
int bytesPerSample = inInfo.codecBitDepth / 8;
if (inInfo.bigEndian && bytesPerSample > 1)
{
int nIntegers = inInfo.decompressedLength / bytesPerSample;
if (inInfo.decompressedLength != nIntegers * bytesPerSample)
throw std::runtime_error("unexpected big-endian raw PCM decompressed length");
ByteswapInts(bytesPerSample, nIntegers, outDataStart);
outInfo.bigEndian = false;
}
} }
else else
{ {