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Ignore es_map_length when parsing mpeg program stream map.

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Fixes ticket #3195.
This commit is contained in:
Carl Eugen Hoyos 2013-12-05 21:17:21 +01:00
parent e2bf00ce46
commit af7562a035
1 changed files with 2 additions and 0 deletions
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2
libavformat/mpeg.c
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@ -193,6 +193,8 @@ static long mpegps_psm_parse(MpegDemuxContext *m, AVIOContext *pb)
/* skip program_stream_info */
avio_skip(pb, ps_info_length);
es_map_length = avio_rb16(pb);
/* Ignore es_map_length, trust psm_length */
es_map_length = psm_length - ps_info_length - 10;
/* at least one es available? */
while (es_map_length >= 4){