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avformat/mp3dec: Ensure the buffer is large enough to avoid seeks from the first frame search 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-05-27 16:18:31 +02:00
parent 2b3e9bbfb5
commit f722009ad9
1 changed files with 2 additions and 0 deletions
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libavformat/mp3dec.c
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@ -374,6 +374,8 @@ static int mp3_read_header(AVFormatContext *s)
off = avio_tell(s->pb);
for (i = 0; i < 64 * 1024; i++) {
if (!(i&1023))
ffio_ensure_seekback(s->pb, i + 1024 + 4);
if (check(s, off + i) >= 0) {
av_log(s, AV_LOG_INFO, "Skipping %d bytes of junk at %lld.\n", i, (long long)off);
avio_seek(s->pb, off + i, SEEK_SET);