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avcodec/vc1: check return value of bitplane_decoding()

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Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2018-04-23 00:05:20 +02:00
parent 9c01cdb94e
commit daba369471
1 changed files with 2 additions and 0 deletions
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2
libavcodec/vc1.c
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@ -1055,6 +1055,8 @@ int ff_vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb)
v->last_use_ic = 1;
}
status = bitplane_decoding(v->s.mbskip_table, &v->skip_is_raw, v);
if (status < 0)
return -1;
av_log(v->s.avctx, AV_LOG_DEBUG, "SKIPMB plane encoding: "
"Imode: %i, Invert: %i\n", status>>1, status&1);
v->mbmodetab = get_bits(gb, 2);