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Bug 1746011 - Handle truncated ADTS stream. r=bryce, a=RyanVM

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roytam1 2022-01-19 10:11:44 +08:00
commit 62a879b694
1 changed files with 2 additions and 1 deletions
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3
dom/media/ADTSDemuxer.cpp
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@ -819,8 +819,9 @@ ADTSTrackDemuxer::Read(uint8_t* aBuffer, int64_t aOffset, int32_t aSize)
const int64_t streamLen = StreamLength(); const int64_t streamLen = StreamLength();
if (mInfo && streamLen > 0) { if (mInfo && streamLen > 0) {
int64_t max = streamLen > aOffset ? streamLen - aOffset : 0;
// Prevent blocking reads after successful initialization. // Prevent blocking reads after successful initialization.
aSize = std::min<int64_t>(aSize, streamLen - aOffset); aSize = std::min<int64_t>(aSize, max);
} }
uint32_t read = 0; uint32_t read = 0;