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30% faster h264_chroma_mc8_c(), this also prevents a possible out of
array read. Originally committed as revision 11288 to svn://svn.ffmpeg.org/ffmpeg/trunk
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@ -1478,6 +1478,7 @@ static void OPNAME ## h264_chroma_mc8_c(uint8_t *dst/*align 8*/, uint8_t *src/*a
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\
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assert(x<8 && y<8 && x>=0 && y>=0);\
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\
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if(D){\
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for(i=0; i<h; i++)\
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{\
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OP(dst[0], (A*src[0] + B*src[1] + C*src[stride+0] + D*src[stride+1]));\
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@ -1491,6 +1492,23 @@ static void OPNAME ## h264_chroma_mc8_c(uint8_t *dst/*align 8*/, uint8_t *src/*a
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dst+= stride;\
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src+= stride;\
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}\
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}else{\
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const int E= B+C;\
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const int step= C ? stride : 1;\
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for(i=0; i<h; i++)\
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{\
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OP(dst[0], (A*src[0] + E*src[step+0]));\
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OP(dst[1], (A*src[1] + E*src[step+1]));\
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OP(dst[2], (A*src[2] + E*src[step+2]));\
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OP(dst[3], (A*src[3] + E*src[step+3]));\
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OP(dst[4], (A*src[4] + E*src[step+4]));\
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OP(dst[5], (A*src[5] + E*src[step+5]));\
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OP(dst[6], (A*src[6] + E*src[step+6]));\
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OP(dst[7], (A*src[7] + E*src[step+7]));\
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dst+= stride;\
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src+= stride;\
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}\
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}\
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}
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#define op_avg(a, b) a = (((a)+(((b) + 32)>>6)+1)>>1)
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