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In case when any quantizer may occur, HALFPQ should be zero

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Originally committed as revision 10499 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Kostya Shishkov 2007-09-15 09:23:58 +00:00
parent efd7428666
commit f7d2a43707
1 changed files with 2 additions and 0 deletions
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2
libavcodec/vc1.c
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@ -342,6 +342,8 @@ static int vop_dquant_decoding(VC1Context *v)
break; break;
case DQPROFILE_ALL_MBS: case DQPROFILE_ALL_MBS:
v->dqbilevel = get_bits1(gb); v->dqbilevel = get_bits1(gb);
if(!v->dqbilevel)
v->halfpq = 0;
default: break; //Forbidden ? default: break; //Forbidden ?
} }
if (v->dqbilevel || v->dqprofile != DQPROFILE_ALL_MBS) if (v->dqbilevel || v->dqprofile != DQPROFILE_ALL_MBS)