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[Decode] Fix mpeg2 decoding issue to avoid piece of bitstream reading… #349

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Oct 9, 2024
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[Decode] Fix mpeg2 decoding issue to avoid piece of bitstream reading… #349

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2 changes: 1 addition & 1 deletion _studio/shared/umc/codec/mpeg2_dec/src/umc_mpeg2_splitter.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -84,7 +84,7 @@ namespace UMC_MPEG2_DECODER
else // start code wasn't found
{
// Load the data excepte last 1 or 2 bytes if they have zero values (Considering [... 0x0 0x0] [0x1 ...]) to the cache
uint32_t numZerosAtEnd = (0 == end[-1]) ? 1 + (0 == end[-2]) : 0;
uint32_t numZerosAtEnd = (0 == end[-1]) ? 1 + (in->GetDataSize() > 1 ? (0 == end[-2]) : 0) : 0;
readSize = (uint32_t)(end - begin - numZerosAtEnd);
m_cache.insert(m_cache.end(), (uint8_t *)begin, (uint8_t *)(end - numZerosAtEnd));
}
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