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Issue #2673 - Part 2b: Improve ADTS format sniffer's performance.

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Also avoids false positives.
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Moonchild 2024-12-29 13:48:05 +01:00 • committed by roytam1
commit 8f52da3288
1 changed files with 4 additions and 0 deletions
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4
dom/media/ADTSDemuxer.cpp
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@ -846,6 +846,10 @@ ADTSDemuxer::ADTSSniffer(const uint8_t* aData, const uint32_t aLength)
if (aLength < 7) { if (aLength < 7) {
return false; return false;
} }
// Avoid seeking if blob doesn't start with an ADTS marker.
if (!adts::FrameHeader::MatchesSync(aData)) {
return false;
}
auto parser = MakeUnique<adts::FrameParser>(); auto parser = MakeUnique<adts::FrameParser>();
if (!parser->Parse(0, aData, aData + aLength)) { if (!parser->Parse(0, aData, aData + aLength)) {