From b22d0c04d76a5a3391051f0a7d573d8f9bdef4b3 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Tue, 29 Apr 2008 00:12:49 +0000 Subject: [PATCH] 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 --- libavformat/mpeg.c | 7 ++++--- 1 file 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;