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| author | Michael Niedermayer <michaelni@gmx.at> | 2008-04-29 00:12:49 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2008-04-29 00:12:49 +0000 |
| commit | b22d0c04d76a5a3391051f0a7d573d8f9bdef4b3 (patch) | |
| tree | 905f0dfda34cdc3a8338131dff5763ce9b1d1ce4 /libavformat/mpeg.c | |
| parent | 60711e959992dbb37a4aea57b77976eee4a8efd4 (diff) | |
| download | ffmpeg-b22d0c04d76a5a3391051f0a7d573d8f9bdef4b3.tar.gz | |
Support invalid mpeg created by vdr
(http://www.lucke.in-berlin.de/test_streams/last_played_fine_with_r7852_001.vdr).
fixes issue434
Originally committed as revision 13014 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavformat/mpeg.c')
| -rw-r--r-- | libavformat/mpeg.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/libavformat/mpeg.c b/libavformat/mpeg.c index 462ef73bc4..480c0541ca 100644 --- a/libavformat/mpeg.c +++ b/libavformat/mpeg.c @@ -341,12 +341,13 @@ static int mpegps_read_pes_header(AVFormatContext *s, if (flags & 0x01) { /* PES extension */ pes_ext = get_byte(s->pb); header_len--; - if (pes_ext & 0x40) { /* pack header - should be zero in PS */ - goto error_redo; - } /* Skip PES private data, program packet sequence counter and P-STD buffer */ skip = (pes_ext >> 4) & 0xb; skip += skip & 0x9; + if (pes_ext & 0x40 || skip > header_len){ + av_log(s, AV_LOG_WARNING, "pes_ext %X is invalid\n", pes_ext); + pes_ext=skip=0; + } url_fskip(s->pb, skip); header_len -= skip; |