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ffmpeg.wasm-core
Commit b64dfbb8 authored by Loren Merritt's avatar Loren Merritt
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add qpel rounder once during hv rather than twice during hv and whatever it's averaged with 

Originally committed as revision 11870 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent 485f076d
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Showing with 8 additions and 23 deletions
libavcodec/i386/h264dsp_mmx.c
View file @ b64dfbb8
......@@ -749,6 +749,7 @@ static void h264_loop_filter_strength_mmx2( int16_t bS[2][4][4], uint8_t nnz[40]
"pmullw %3, %%mm6 \n\t"\
"add %2, %0 \n\t"\
"punpcklbw %%mm7, "#F" \n\t"\
"paddw %4, "#A" \n\t"\
"paddw "#F", "#A" \n\t"\
"paddw "#A", %%mm6 \n\t"\
"movq %%mm6, "#OF"(%1) \n\t"
......@@ -895,7 +896,7 @@ static av_noinline void OPNAME ## h264_qpel4_hv_lowpass_ ## MMX(uint8_t *dst, in
QPEL_H264HV(%%mm3, %%mm4, %%mm5, %%mm0, %%mm1, %%mm2, 3*8*3)\
\
: "+a"(src)\
: "c"(tmp), "S"((long)srcStride), "m"(ff_pw_5)\
: "c"(tmp), "S"((long)srcStride), "m"(ff_pw_5), "m"(ff_pw_16)\
: "memory"\
);\
tmp += 4;\
......@@ -903,7 +904,6 @@ static av_noinline void OPNAME ## h264_qpel4_hv_lowpass_ ## MMX(uint8_t *dst, in
}\
tmp -= 3*4;\
asm volatile(\
"movq %4, %%mm6 \n\t"\
"1: \n\t"\
"movq (%0), %%mm0 \n\t"\
"paddw 10(%0), %%mm0 \n\t"\
......@@ -916,8 +916,7 @@ static av_noinline void OPNAME ## h264_qpel4_hv_lowpass_ ## MMX(uint8_t *dst, in
"psubw %%mm1, %%mm0 \n\t"/*(a-b)/4-b */\
"paddsw %%mm2, %%mm0 \n\t"\
"psraw $2, %%mm0 \n\t"/*((a-b)/4-b+c)/4 */\
"paddw %%mm6, %%mm2 \n\t"\
"paddw %%mm2, %%mm0 \n\t"/*(a-5*b+20*c)/16 +32 */\
"paddw %%mm2, %%mm0 \n\t"/*(a-5*b+20*c)/16 */\
"psraw $6, %%mm0 \n\t"\
"packuswb %%mm0, %%mm0 \n\t"\
OP(%%mm0, (%1),%%mm7, d)\
......@@ -926,7 +925,7 @@ static av_noinline void OPNAME ## h264_qpel4_hv_lowpass_ ## MMX(uint8_t *dst, in
"decl %2 \n\t"\
" jnz 1b \n\t"\
: "+a"(tmp), "+c"(dst), "+m"(h)\
: "S"((long)dstStride), "m"(ff_pw_32)\
: "S"((long)dstStride)\
: "memory"\
);\
}\
......@@ -1137,7 +1136,7 @@ static av_noinline void OPNAME ## h264_qpel8or16_hv_lowpass_ ## MMX(uint8_t *dst
QPEL_H264HV(%%mm0, %%mm1, %%mm2, %%mm3, %%mm4, %%mm5, 6*48)\
QPEL_H264HV(%%mm1, %%mm2, %%mm3, %%mm4, %%mm5, %%mm0, 7*48)\
: "+a"(src)\
: "c"(tmp), "S"((long)srcStride), "m"(ff_pw_5)\
: "c"(tmp), "S"((long)srcStride), "m"(ff_pw_5), "m"(ff_pw_16)\
: "memory"\
);\
if(size==16){\
......@@ -1151,7 +1150,7 @@ static av_noinline void OPNAME ## h264_qpel8or16_hv_lowpass_ ## MMX(uint8_t *dst
QPEL_H264HV(%%mm2, %%mm3, %%mm4, %%mm5, %%mm0, %%mm1, 14*48)\
QPEL_H264HV(%%mm3, %%mm4, %%mm5, %%mm0, %%mm1, %%mm2, 15*48)\
: "+a"(src)\
: "c"(tmp), "S"((long)srcStride), "m"(ff_pw_5)\
: "c"(tmp), "S"((long)srcStride), "m"(ff_pw_5), "m"(ff_pw_16)\
: "memory"\
);\
}\
......@@ -1163,7 +1162,6 @@ static av_noinline void OPNAME ## h264_qpel8or16_hv_lowpass_ ## MMX(uint8_t *dst
do{\
h = size;\
asm volatile(\
"movq %4, %%mm6 \n\t"\
"1: \n\t"\
"movq (%0), %%mm0 \n\t"\
"movq 8(%0), %%mm3 \n\t"\
......@@ -1187,8 +1185,6 @@ static av_noinline void OPNAME ## h264_qpel8or16_hv_lowpass_ ## MMX(uint8_t *dst
"paddsw %%mm5, %%mm3 \n\t"\
"psraw $2, %%mm0 \n\t"\
"psraw $2, %%mm3 \n\t"\
"paddw %%mm6, %%mm2 \n\t"\
"paddw %%mm6, %%mm5 \n\t"\
"paddw %%mm2, %%mm0 \n\t"\
"paddw %%mm5, %%mm3 \n\t"\
"psraw $6, %%mm0 \n\t"\
......@@ -1200,7 +1196,7 @@ static av_noinline void OPNAME ## h264_qpel8or16_hv_lowpass_ ## MMX(uint8_t *dst
"decl %2 \n\t"\
" jnz 1b \n\t"\
: "+a"(tmp), "+c"(dst), "+m"(h)\
: "S"((long)dstStride), "m"(ff_pw_32)\
: "S"((long)dstStride)\
: "memory"\
);\
tmp += 8 - size*24;\
......@@ -1246,11 +1242,8 @@ static void OPNAME ## h264_qpel16_hv_lowpass_ ## MMX(uint8_t *dst, int16_t *tmp,
static av_noinline void OPNAME ## pixels4_l2_shift5_ ## MMX(uint8_t *dst, int16_t *src16, uint8_t *src8, int dstStride, int src8Stride, int h)\
{\
asm volatile(\
"movq %5, %%mm6 \n\t"\
"movq (%1), %%mm0 \n\t"\
"movq 24(%1), %%mm1 \n\t"\
"paddw %%mm6, %%mm0 \n\t"\
"paddw %%mm6, %%mm1 \n\t"\
"psraw $5, %%mm0 \n\t"\
"psraw $5, %%mm1 \n\t"\
"packuswb %%mm0, %%mm0 \n\t"\
......@@ -1263,8 +1256,6 @@ static av_noinline void OPNAME ## pixels4_l2_shift5_ ## MMX(uint8_t *dst, int16_
"lea (%2,%4,2), %2 \n\t"\
"movq 48(%1), %%mm0 \n\t"\
"movq 72(%1), %%mm1 \n\t"\
"paddw %%mm6, %%mm0 \n\t"\
"paddw %%mm6, %%mm1 \n\t"\
"psraw $5, %%mm0 \n\t"\
"psraw $5, %%mm1 \n\t"\
"packuswb %%mm0, %%mm0 \n\t"\
......@@ -1274,21 +1265,15 @@ static av_noinline void OPNAME ## pixels4_l2_shift5_ ## MMX(uint8_t *dst, int16_
OP(%%mm0, (%2), %%mm4, d)\
OP(%%mm1, (%2,%4), %%mm5, d)\
:"+a"(src8), "+c"(src16), "+d"(dst)\
:"S"((long)src8Stride), "D"((long)dstStride), "m"(ff_pw_16)\
:"S"((long)src8Stride), "D"((long)dstStride)\
:"memory");\
}\
static av_noinline void OPNAME ## pixels8_l2_shift5_ ## MMX(uint8_t *dst, int16_t *src16, uint8_t *src8, int dstStride, int src8Stride, int h)\
{\
asm volatile(\
"movq %0, %%mm6 \n\t"\
::"m"(ff_pw_16)\
);\
while(h--){\
asm volatile(\
"movq (%1), %%mm0 \n\t"\
"movq 8(%1), %%mm1 \n\t"\
"paddw %%mm6, %%mm0 \n\t"\
"paddw %%mm6, %%mm1 \n\t"\
"psraw $5, %%mm0 \n\t"\
"psraw $5, %%mm1 \n\t"\
"packuswb %%mm1, %%mm0 \n\t"\
......
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