mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
321 lines
11 KiB
321 lines
11 KiB
/* |
|
* Copyright (c) 2005 Zoltan Hidvegi <hzoli -a- hzoli -d- com>, |
|
* Loren Merritt |
|
* |
|
* This library is free software; you can redistribute it and/or |
|
* modify it under the terms of the GNU Lesser General Public |
|
* License as published by the Free Software Foundation; either |
|
* version 2 of the License, or (at your option) any later version. |
|
* |
|
* This library is distributed in the hope that it will be useful, |
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
* Lesser General Public License for more details. |
|
* |
|
* You should have received a copy of the GNU Lesser General Public |
|
* License along with this library; if not, write to the Free Software |
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
|
*/ |
|
|
|
/** |
|
* MMX optimized version of (put|avg)_h264_chroma_mc8. |
|
* H264_CHROMA_MC8_TMPL must be defined to the desired function name |
|
* H264_CHROMA_OP must be defined to empty for put and pavgb/pavgusb for avg |
|
* H264_CHROMA_MC8_MV0 must be defined to a (put|avg)_pixels8 function |
|
*/ |
|
static void H264_CHROMA_MC8_TMPL(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int stride, int h, int x, int y) |
|
{ |
|
DECLARE_ALIGNED_8(uint64_t, AA); |
|
DECLARE_ALIGNED_8(uint64_t, DD); |
|
int i; |
|
|
|
if(y==0 && x==0) { |
|
/* no filter needed */ |
|
H264_CHROMA_MC8_MV0(dst, src, stride, h); |
|
return; |
|
} |
|
|
|
assert(x<8 && y<8 && x>=0 && y>=0); |
|
|
|
if(y==0) |
|
{ |
|
/* horizontal filter only */ |
|
asm volatile("movd %0, %%mm5\n\t" |
|
"punpcklwd %%mm5, %%mm5\n\t" |
|
"punpckldq %%mm5, %%mm5\n\t" /* mm5 = B = x */ |
|
"movq %1, %%mm4\n\t" |
|
"pxor %%mm7, %%mm7\n\t" |
|
"psubw %%mm5, %%mm4\n\t" /* mm4 = A = 8-x */ |
|
: : "rm" (x), "m" (ff_pw_8)); |
|
|
|
for(i=0; i<h; i++) { |
|
asm volatile( |
|
/* mm0 = src[0..7], mm1 = src[1..8] */ |
|
"movq %0, %%mm0\n\t" |
|
"movq %1, %%mm1\n\t" |
|
: : "m" (src[0]), "m" (src[1])); |
|
|
|
asm volatile( |
|
/* [mm2,mm3] = A * src[0..7] */ |
|
"movq %%mm0, %%mm2\n\t" |
|
"punpcklbw %%mm7, %%mm2\n\t" |
|
"pmullw %%mm4, %%mm2\n\t" |
|
"movq %%mm0, %%mm3\n\t" |
|
"punpckhbw %%mm7, %%mm3\n\t" |
|
"pmullw %%mm4, %%mm3\n\t" |
|
|
|
/* [mm2,mm3] += B * src[1..8] */ |
|
"movq %%mm1, %%mm0\n\t" |
|
"punpcklbw %%mm7, %%mm0\n\t" |
|
"pmullw %%mm5, %%mm0\n\t" |
|
"punpckhbw %%mm7, %%mm1\n\t" |
|
"pmullw %%mm5, %%mm1\n\t" |
|
"paddw %%mm0, %%mm2\n\t" |
|
"paddw %%mm1, %%mm3\n\t" |
|
|
|
/* dst[0..7] = pack(([mm2,mm3] + 32) >> 6) */ |
|
"paddw %1, %%mm2\n\t" |
|
"paddw %1, %%mm3\n\t" |
|
"psrlw $3, %%mm2\n\t" |
|
"psrlw $3, %%mm3\n\t" |
|
"packuswb %%mm3, %%mm2\n\t" |
|
H264_CHROMA_OP(%0, %%mm2) |
|
"movq %%mm2, %0\n\t" |
|
: "=m" (dst[0]) : "m" (ff_pw_4)); |
|
|
|
src += stride; |
|
dst += stride; |
|
} |
|
return; |
|
} |
|
|
|
if(x==0) |
|
{ |
|
/* vertical filter only */ |
|
asm volatile("movd %0, %%mm6\n\t" |
|
"punpcklwd %%mm6, %%mm6\n\t" |
|
"punpckldq %%mm6, %%mm6\n\t" /* mm6 = C = y */ |
|
"movq %1, %%mm4\n\t" |
|
"pxor %%mm7, %%mm7\n\t" |
|
"psubw %%mm6, %%mm4\n\t" /* mm4 = A = 8-y */ |
|
: : "rm" (y), "m" (ff_pw_8)); |
|
|
|
asm volatile( |
|
/* mm0 = src[0..7] */ |
|
"movq %0, %%mm0\n\t" |
|
: : "m" (src[0])); |
|
|
|
for(i=0; i<h; i++) { |
|
asm volatile( |
|
/* [mm2,mm3] = A * src[0..7] */ |
|
"movq %mm0, %mm2\n\t" |
|
"punpcklbw %mm7, %mm2\n\t" |
|
"pmullw %mm4, %mm2\n\t" |
|
"movq %mm0, %mm3\n\t" |
|
"punpckhbw %mm7, %mm3\n\t" |
|
"pmullw %mm4, %mm3\n\t"); |
|
|
|
src += stride; |
|
asm volatile( |
|
/* mm0 = src[0..7] */ |
|
"movq %0, %%mm0\n\t" |
|
: : "m" (src[0])); |
|
|
|
asm volatile( |
|
/* [mm2,mm3] += C * src[0..7] */ |
|
"movq %mm0, %mm1\n\t" |
|
"punpcklbw %mm7, %mm1\n\t" |
|
"pmullw %mm6, %mm1\n\t" |
|
"paddw %mm1, %mm2\n\t" |
|
"movq %mm0, %mm5\n\t" |
|
"punpckhbw %mm7, %mm5\n\t" |
|
"pmullw %mm6, %mm5\n\t" |
|
"paddw %mm5, %mm3\n\t"); |
|
|
|
asm volatile( |
|
/* dst[0..7] = pack(([mm2,mm3] + 32) >> 6) */ |
|
"paddw %1, %%mm2\n\t" |
|
"paddw %1, %%mm3\n\t" |
|
"psrlw $3, %%mm2\n\t" |
|
"psrlw $3, %%mm3\n\t" |
|
"packuswb %%mm3, %%mm2\n\t" |
|
H264_CHROMA_OP(%0, %%mm2) |
|
"movq %%mm2, %0\n\t" |
|
: "=m" (dst[0]) : "m" (ff_pw_4)); |
|
|
|
dst += stride; |
|
} |
|
return; |
|
} |
|
|
|
/* general case, bilinear */ |
|
asm volatile("movd %2, %%mm4\n\t" |
|
"movd %3, %%mm6\n\t" |
|
"punpcklwd %%mm4, %%mm4\n\t" |
|
"punpcklwd %%mm6, %%mm6\n\t" |
|
"punpckldq %%mm4, %%mm4\n\t" /* mm4 = x words */ |
|
"punpckldq %%mm6, %%mm6\n\t" /* mm6 = y words */ |
|
"movq %%mm4, %%mm5\n\t" |
|
"pmullw %%mm6, %%mm4\n\t" /* mm4 = x * y */ |
|
"psllw $3, %%mm5\n\t" |
|
"psllw $3, %%mm6\n\t" |
|
"movq %%mm5, %%mm7\n\t" |
|
"paddw %%mm6, %%mm7\n\t" |
|
"movq %%mm4, %1\n\t" /* DD = x * y */ |
|
"psubw %%mm4, %%mm5\n\t" /* mm5 = B = 8x - xy */ |
|
"psubw %%mm4, %%mm6\n\t" /* mm6 = C = 8y - xy */ |
|
"paddw %4, %%mm4\n\t" |
|
"psubw %%mm7, %%mm4\n\t" /* mm4 = A = xy - (8x+8y) + 64 */ |
|
"pxor %%mm7, %%mm7\n\t" |
|
"movq %%mm4, %0\n\t" |
|
: "=m" (AA), "=m" (DD) : "rm" (x), "rm" (y), "m" (ff_pw_64)); |
|
|
|
asm volatile( |
|
/* mm0 = src[0..7], mm1 = src[1..8] */ |
|
"movq %0, %%mm0\n\t" |
|
"movq %1, %%mm1\n\t" |
|
: : "m" (src[0]), "m" (src[1])); |
|
|
|
for(i=0; i<h; i++) { |
|
asm volatile( |
|
/* [mm2,mm3] = A * src[0..7] */ |
|
"movq %%mm0, %%mm2\n\t" |
|
"punpcklbw %%mm7, %%mm2\n\t" |
|
"pmullw %0, %%mm2\n\t" |
|
"movq %%mm0, %%mm3\n\t" |
|
"punpckhbw %%mm7, %%mm3\n\t" |
|
"pmullw %0, %%mm3\n\t" |
|
|
|
/* [mm2,mm3] += B * src[1..8] */ |
|
"movq %%mm1, %%mm0\n\t" |
|
"punpcklbw %%mm7, %%mm0\n\t" |
|
"pmullw %%mm5, %%mm0\n\t" |
|
"punpckhbw %%mm7, %%mm1\n\t" |
|
"pmullw %%mm5, %%mm1\n\t" |
|
"paddw %%mm0, %%mm2\n\t" |
|
"paddw %%mm1, %%mm3\n\t" |
|
: : "m" (AA)); |
|
|
|
src += stride; |
|
asm volatile( |
|
/* mm0 = src[0..7], mm1 = src[1..8] */ |
|
"movq %0, %%mm0\n\t" |
|
"movq %1, %%mm1\n\t" |
|
: : "m" (src[0]), "m" (src[1])); |
|
|
|
asm volatile( |
|
/* [mm2,mm3] += C * src[0..7] */ |
|
"movq %mm0, %mm4\n\t" |
|
"punpcklbw %mm7, %mm4\n\t" |
|
"pmullw %mm6, %mm4\n\t" |
|
"paddw %mm4, %mm2\n\t" |
|
"movq %mm0, %mm4\n\t" |
|
"punpckhbw %mm7, %mm4\n\t" |
|
"pmullw %mm6, %mm4\n\t" |
|
"paddw %mm4, %mm3\n\t"); |
|
|
|
asm volatile( |
|
/* [mm2,mm3] += D * src[1..8] */ |
|
"movq %%mm1, %%mm4\n\t" |
|
"punpcklbw %%mm7, %%mm4\n\t" |
|
"pmullw %0, %%mm4\n\t" |
|
"paddw %%mm4, %%mm2\n\t" |
|
"movq %%mm1, %%mm4\n\t" |
|
"punpckhbw %%mm7, %%mm4\n\t" |
|
"pmullw %0, %%mm4\n\t" |
|
"paddw %%mm4, %%mm3\n\t" |
|
: : "m" (DD)); |
|
|
|
asm volatile( |
|
/* dst[0..7] = pack(([mm2,mm3] + 32) >> 6) */ |
|
"paddw %1, %%mm2\n\t" |
|
"paddw %1, %%mm3\n\t" |
|
"psrlw $6, %%mm2\n\t" |
|
"psrlw $6, %%mm3\n\t" |
|
"packuswb %%mm3, %%mm2\n\t" |
|
H264_CHROMA_OP(%0, %%mm2) |
|
"movq %%mm2, %0\n\t" |
|
: "=m" (dst[0]) : "m" (ff_pw_32)); |
|
dst+= stride; |
|
} |
|
} |
|
|
|
static void H264_CHROMA_MC4_TMPL(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int stride, int h, int x, int y) |
|
{ |
|
DECLARE_ALIGNED_8(uint64_t, AA); |
|
DECLARE_ALIGNED_8(uint64_t, DD); |
|
int i; |
|
|
|
/* no special case for mv=(0,0) in 4x*, since it's much less common than in 8x*. |
|
* could still save a few cycles, but maybe not worth the complexity. */ |
|
|
|
assert(x<8 && y<8 && x>=0 && y>=0); |
|
|
|
asm volatile("movd %2, %%mm4\n\t" |
|
"movd %3, %%mm6\n\t" |
|
"punpcklwd %%mm4, %%mm4\n\t" |
|
"punpcklwd %%mm6, %%mm6\n\t" |
|
"punpckldq %%mm4, %%mm4\n\t" /* mm4 = x words */ |
|
"punpckldq %%mm6, %%mm6\n\t" /* mm6 = y words */ |
|
"movq %%mm4, %%mm5\n\t" |
|
"pmullw %%mm6, %%mm4\n\t" /* mm4 = x * y */ |
|
"psllw $3, %%mm5\n\t" |
|
"psllw $3, %%mm6\n\t" |
|
"movq %%mm5, %%mm7\n\t" |
|
"paddw %%mm6, %%mm7\n\t" |
|
"movq %%mm4, %1\n\t" /* DD = x * y */ |
|
"psubw %%mm4, %%mm5\n\t" /* mm5 = B = 8x - xy */ |
|
"psubw %%mm4, %%mm6\n\t" /* mm6 = C = 8y - xy */ |
|
"paddw %4, %%mm4\n\t" |
|
"psubw %%mm7, %%mm4\n\t" /* mm4 = A = xy - (8x+8y) + 64 */ |
|
"pxor %%mm7, %%mm7\n\t" |
|
"movq %%mm4, %0\n\t" |
|
: "=m" (AA), "=m" (DD) : "rm" (x), "rm" (y), "m" (ff_pw_64)); |
|
|
|
asm volatile( |
|
/* mm0 = src[0..3], mm1 = src[1..4] */ |
|
"movd %0, %%mm0\n\t" |
|
"movd %1, %%mm1\n\t" |
|
"punpcklbw %%mm7, %%mm0\n\t" |
|
"punpcklbw %%mm7, %%mm1\n\t" |
|
: : "m" (src[0]), "m" (src[1])); |
|
|
|
for(i=0; i<h; i++) { |
|
asm volatile( |
|
/* mm2 = A * src[0..3] + B * src[1..4] */ |
|
"movq %%mm0, %%mm2\n\t" |
|
"pmullw %0, %%mm2\n\t" |
|
"pmullw %%mm5, %%mm1\n\t" |
|
"paddw %%mm1, %%mm2\n\t" |
|
: : "m" (AA)); |
|
|
|
src += stride; |
|
asm volatile( |
|
/* mm0 = src[0..3], mm1 = src[1..4] */ |
|
"movd %0, %%mm0\n\t" |
|
"movd %1, %%mm1\n\t" |
|
"punpcklbw %%mm7, %%mm0\n\t" |
|
"punpcklbw %%mm7, %%mm1\n\t" |
|
: : "m" (src[0]), "m" (src[1])); |
|
|
|
asm volatile( |
|
/* mm2 += C * src[0..3] + D * src[1..4] */ |
|
"movq %%mm0, %%mm3\n\t" |
|
"movq %%mm1, %%mm4\n\t" |
|
"pmullw %%mm6, %%mm3\n\t" |
|
"pmullw %0, %%mm4\n\t" |
|
"paddw %%mm3, %%mm2\n\t" |
|
"paddw %%mm4, %%mm2\n\t" |
|
: : "m" (DD)); |
|
|
|
asm volatile( |
|
/* dst[0..3] = pack((mm2 + 32) >> 6) */ |
|
"paddw %1, %%mm2\n\t" |
|
"psrlw $6, %%mm2\n\t" |
|
"packuswb %%mm7, %%mm2\n\t" |
|
H264_CHROMA_OP4(%0, %%mm2, %%mm3) |
|
"movd %%mm2, %0\n\t" |
|
: "=m" (dst[0]) : "m" (ff_pw_32)); |
|
dst += stride; |
|
} |
|
}
|
|
|