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HEVCParser: don't loop forever on a NAL header with forbidden_zero_bit set #1529

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Merged
kmdewaal merged 1 commit into from
Nov 5, 2026
Merged

HEVCParser: don't loop forever on a NAL header with forbidden_zero_bit set #1529

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5 changes: 4 additions & 1 deletion mythtv/libs/libmythtv/mpeg/HEVCParser.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -208,7 +208,10 @@ uint32_t HEVCParser::addBytes(const uint8_t *bytes,
{
LOG(VB_GENERAL, LOG_ERR, "HEVCParser::parseNAL: "
"NAL header forbidden_zero_bit is not zero!");
return false;
// Skip the bad header. Returning 0 bytes used made
// DTVRecorder hand the same bytes back forever.
resetRBSP();
return startP - bytes;
}

m_nalTemperalId = (nal_unit_header & 0x7) - 1;
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