Commit 5110d151 authored by Michael Niedermayer's avatar Michael Niedermayer
Browse files

prevent O(n^2) execution of ff_mpa_decode_header() for valid mp3 files

Originally committed as revision 11144 to svn://
parent e5152216
......@@ -418,6 +418,8 @@ static int mp3_read_probe(AVProbeData *p)
max_frames = FFMAX(max_frames, frames);
if(buf == p->buf)
first_frames= frames;
if(buf2 > end)
if (first_frames>=3) return AVPROBE_SCORE_MAX/2+1;
else if(max_frames>=3) return AVPROBE_SCORE_MAX/4;
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