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.
126 lines
3.6 KiB
126 lines
3.6 KiB
/* |
|
* DSP utils mmx functions are compiled twice for rnd/no_rnd |
|
* Copyright (c) 2000, 2001 Fabrice Bellard. |
|
* |
|
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
|
* |
|
* MMX optimization by Nick Kurshev <nickols_k@mail.ru> |
|
* mostly rewritten by Michael Niedermayer <michaelni@gmx.at> |
|
* and improved by Zdenek Kabelac <kabi@users.sf.net> |
|
*/ |
|
|
|
// put_pixels |
|
static void DEF(put, pixels_x2)(UINT8 *block, const UINT8 *pixels, int line_size, int h) |
|
{ |
|
__asm __volatile( |
|
MOVQ_BFE(%%mm7) |
|
"lea (%3, %3), %%eax \n\t" |
|
".balign 8 \n\t" |
|
"1: \n\t" |
|
"movq (%1), %%mm0 \n\t" |
|
"movq 1(%1), %%mm1 \n\t" |
|
"movq (%1, %3), %%mm2 \n\t" |
|
"movq 1(%1, %3), %%mm3 \n\t" |
|
PAVGBP(%%mm0, %%mm1, %%mm5, %%mm2, %%mm3, %%mm6) |
|
"movq %%mm5, (%2) \n\t" |
|
"movq %%mm6, (%2, %3) \n\t" |
|
"addl %%eax, %1 \n\t" |
|
"addl %%eax, %2 \n\t" |
|
"movq (%1), %%mm0 \n\t" |
|
"movq 1(%1), %%mm1 \n\t" |
|
"movq (%1, %3), %%mm2 \n\t" |
|
"movq 1(%1, %3), %%mm3 \n\t" |
|
PAVGBP(%%mm0, %%mm1, %%mm5, %%mm2, %%mm3, %%mm6) |
|
"movq %%mm5, (%2) \n\t" |
|
"movq %%mm6, (%2, %3) \n\t" |
|
"addl %%eax, %1 \n\t" |
|
"addl %%eax, %2 \n\t" |
|
"subl $4, %0 \n\t" |
|
"jnz 1b \n\t" |
|
:"+g"(h), "+S"(pixels), "+D"(block) |
|
:"r"(line_size) |
|
:"eax", "memory"); |
|
} |
|
|
|
static void DEF(put, pixels_y2)(UINT8 *block, const UINT8 *pixels, int line_size, int h) |
|
{ |
|
__asm __volatile( |
|
MOVQ_BFE(%%mm7) |
|
"lea (%3, %3), %%eax \n\t" |
|
"movq (%1), %%mm0 \n\t" |
|
".balign 8 \n\t" |
|
"1: \n\t" |
|
"movq (%1, %3), %%mm1 \n\t" |
|
"movq (%1, %%eax),%%mm2 \n\t" |
|
PAVGBP(%%mm1, %%mm0, %%mm5, %%mm2, %%mm1, %%mm6) |
|
"movq %%mm5, (%2) \n\t" |
|
"movq %%mm6, (%2, %3) \n\t" |
|
"addl %%eax, %1 \n\t" |
|
"addl %%eax, %2 \n\t" |
|
"movq (%1, %3), %%mm1 \n\t" |
|
"movq (%1, %%eax),%%mm0 \n\t" |
|
PAVGBP(%%mm1, %%mm2, %%mm5, %%mm0, %%mm1, %%mm6) |
|
"movq %%mm5, (%2) \n\t" |
|
"movq %%mm6, (%2, %3) \n\t" |
|
"addl %%eax, %1 \n\t" |
|
"addl %%eax, %2 \n\t" |
|
"subl $4, %0 \n\t" |
|
"jnz 1b \n\t" |
|
:"+g"(h), "+S"(pixels), "+D"(block) |
|
:"r"(line_size) |
|
:"eax", "memory"); |
|
} |
|
|
|
// ((a + b)/2 + (c + d)/2)/2 |
|
// not sure if this is properly replacing original code |
|
// - ok it's really unsable at this moment -> disabled |
|
static void DEF(put, disabled_pixels_xy2)(UINT8 *block, const UINT8 *pixels, int line_size, int h) |
|
{ |
|
__asm __volatile( |
|
MOVQ_BFE(%%mm7) |
|
"lea (%3, %3), %%eax \n\t" |
|
"movq (%1), %%mm0 \n\t" |
|
"movq (%1), %%mm0 \n\t" |
|
"movq 1(%1), %%mm1 \n\t" |
|
".balign 8 \n\t" |
|
"1: \n\t" |
|
"movq (%1, %3), %%mm2 \n\t" |
|
"movq 1(%1, %3), %%mm3 \n\t" |
|
PAVGBP(%%mm2, %%mm0, %%mm4, %%mm3, %%mm1, %%mm5) |
|
//PAVGBR(%%mm2, %%mm0, %%mm4) |
|
//PAVGBR(%%mm3, %%mm1, %%mm5) |
|
PAVGB(%%mm4, %%mm5) |
|
"movq %%mm6, (%2) \n\t" |
|
|
|
"movq (%1, %%eax), %%mm0 \n\t" |
|
"movq 1(%1, %%eax), %%mm1 \n\t" |
|
PAVGBP(%%mm0, %%mm2, %%mm4, %%mm1, %%mm3, %%mm5) |
|
//PAVGBR(%%mm0, %%mm2, %%mm4) |
|
//PAVGBR(%%mm1, %%mm3, %%mm5) |
|
PAVGB(%%mm4, %%mm5) |
|
"movq %%mm6, (%2, %3) \n\t" |
|
"addl %%eax, %1 \n\t" |
|
"addl %%eax, %2 \n\t" |
|
|
|
"subl $2, %0 \n\t" |
|
|
|
"jnz 1b \n\t" |
|
:"+g"(h), "+S"(pixels), "+D"(block) |
|
:"r"(line_size) |
|
:"eax", "memory"); |
|
} |
|
|
|
// avg_pixels |
|
|
|
|