Chiebot-Mirror
/
FFmpeg
8
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

add qpel rounder once during hv rather than twice during hv and whatever it's averaged with

Browse Source 
Originally committed as revision 11870 to svn://svn.ffmpeg.org/ffmpeg/trunk
pull/126/head
Loren Merritt 17 years ago
parent 485f076dc2
commit b64dfbb8d2
1 changed files with 8 additions and 23 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 31
      libavcodec/i386/h264dsp_mmx.c

31
libavcodec/i386/h264dsp_mmx.c
Unescape View File

@ -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"\

Write Preview
Loading…
Cancel
Save