aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorMichael Niedermayer <michaelni@gmx.at>2015-05-27 16:18:31 +0200
committerMichael Niedermayer <michaelni@gmx.at>2015-05-27 17:06:24 +0200
commitf722009ad99733e619273372ade56c4c1b9c3b02 (patch)
treeb9296cca76eb0a979617b0c5f5b175accfe5fe2a
parent2b3e9bbfb529e6bde238aeb511b55ebe461664c8 (diff)
downloadffmpeg-f722009ad99733e619273372ade56c4c1b9c3b02.tar.gz
avformat/mp3dec: Ensure the buffer is large enough to avoid seeks from the first frame search
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
-rw-r--r--libavformat/mp3dec.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/libavformat/mp3dec.c b/libavformat/mp3dec.c
index a5374a1037..07d7f54345 100644
--- a/libavformat/mp3dec.c
+++ b/libavformat/mp3dec.c
@@ -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);