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mpegts: check get16() return value 

And break flow of execution rather than exiting the function.

CC: libav-stable@libav.org
Bug-Id: CID 732186
This commit is contained in:
Vittorio Giovara 2014-12-17 14:53:41 +01:00
parent 430a816859
commit 8b263331c5
1 changed files with 4 additions and 1 deletions
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5
libavformat/mpegts.c
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@ -1343,6 +1343,8 @@ int ff_parse_mpeg2_descriptor(AVFormatContext *fc, AVStream *st, int stream_type
switch (desc_tag) {
case 0x1E: /* SL descriptor */
desc_es_id = get16(pp, desc_end);
if (desc_es_id < 0)
break;
if (ts && ts->pids[pid])
ts->pids[pid]->es_id = desc_es_id;
for (i = 0; i < mp4_descr_count; i++)
@ -1361,7 +1363,8 @@ int ff_parse_mpeg2_descriptor(AVFormatContext *fc, AVStream *st, int stream_type
}
break;
case 0x1F: /* FMC descriptor */
get16(pp, desc_end);
if (get16(pp, desc_end) < 0)
break;
if (mp4_descr_count > 0 &&
st->codec->codec_id == AV_CODEC_ID_AAC_LATM &&
mp4_descr->dec_config_descr_len && mp4_descr->es_id == pid) {