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avoid creating a new stream not referenced in pmt since it cannot be associated to a program, fix issue 835

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Originally committed as revision 18137 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier 2009-03-22 02:04:28 +00:00
parent b38d7298bd
commit 5f01c1258f
1 changed files with 2 additions and 5 deletions
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7
libavformat/mpegts.c
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@ -857,14 +857,11 @@ static void mpegts_push_data(MpegTSFilter *filter,
pes->header[2] == 0x01) {
/* it must be an mpeg2 PES stream */
code = pes->header[3] | 0x100;
if (!((code >= 0x1c0 && code <= 0x1df) ||
if (!pes->st ||
!((code >= 0x1c0 && code <= 0x1df) ||
(code >= 0x1e0 && code <= 0x1ef) ||
(code == 0x1bd) || (code == 0x1fd)))
goto skip;
if (!pes->st) {
/* allocate stream */
new_pes_av_stream(pes, code);
}
pes->state = MPEGTS_PESHEADER_FILL;
pes->total_size = AV_RB16(pes->header + 4);
/* NOTE: a zero total size means the PES size is