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Merge pull request #1541 from athenian200/mp3-parser-fix

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Stop MP3 demuxer from choking on very small files.
This commit is contained in:
Moonchild
2020-05-10 15:00:03 +02:00
committed by GitHub
parent 42c1fcaaed bc4dacf690
commit 1659e69dfb
1 changed files with 4 additions and 1 deletions
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dom/media/mp3/MP3Demuxer.cpp
+4 -1
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@@ -396,7 +396,10 @@ MP3TrackDemuxer::Duration(int64_t aNumFrames) const {
MediaByteRange
MP3TrackDemuxer::FindFirstFrame() {
static const int MIN_SUCCESSIVE_FRAMES = 4;
// This check is meant to avoid invalid frames from broken streams, but
// small MP3 files and streams with odd header data can break this. Lowering
// the value to 3 seems to help significantly.
static const int MIN_SUCCESSIVE_FRAMES = 3;
MediaByteRange candidateFrame = FindNextFrame();
int numSuccFrames = candidateFrame.Length() > 0;