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pqindex=0 is forbidden 

Originally committed as revision 11540 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Kostya Shishkov 2008-01-16 17:07:34 +00:00
parent 9ccbc672aa
commit 95e3fdb846
1 changed files with 2 additions and 0 deletions
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2
libavcodec/vc1.c
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@ -1065,6 +1065,7 @@ static int vc1_parse_frame_header(VC1Context *v, GetBitContext* gb)
/* Quantizer stuff */
pqindex = get_bits(gb, 5);
if(!pqindex) return -1;
if (v->quantizer_mode == QUANT_FRAME_IMPLICIT)
v->pq = ff_vc1_pquant_table[0][pqindex];
else
@ -1301,6 +1302,7 @@ static int vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb)
}
}
pqindex = get_bits(gb, 5);
if(!pqindex) return -1;
v->pqindex = pqindex;
if (v->quantizer_mode == QUANT_FRAME_IMPLICIT)
v->pq = ff_vc1_pquant_table[0][pqindex];