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This should make P-frames decoding work on x86 (by avoiding get_bits(0))

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Originally committed as revision 5542 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Kostya Shishkov 2006-06-29 11:02:33 +00:00
parent b028a8667d
commit e8ba1cea3c
1 changed files with 7 additions and 3 deletions
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10
libavcodec/vc1.c
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@ -1341,14 +1341,18 @@ if(v->mv_mode != MV_PMODE_1MV && v->mv_mode != MV_PMODE_1MV_HPEL && v->mv_mode !
index1 = index%6; \
if (s->mspel && index1 == 5) val = 1; \
else val = 0; \
val = get_bits(gb, size_table[index1] - val); \
if(size_table[index1] - val > 0) \
val = get_bits(gb, size_table[index1] - val); \
else val = 0; \
sign = 0 - (val&1); \
_dmv_x = (sign ^ ((val>>1) + offset_table[index1])) - sign; \
\
index1 = index/6; \
if (s->mspel && index1 == 5) val = 1; \
else val = 0; \
val = get_bits(gb, size_table[index1] - val); \
else val = 0; \
if(size_table[index1] - val > 0) \
val = get_bits(gb, size_table[index1] - val); \
else val = 0; \
sign = 0 - (val&1); \
_dmv_y = (sign ^ ((val>>1) + offset_table[index1])) - sign; \
}