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.
59 lines
2.4 KiB
59 lines
2.4 KiB
10 years ago
|
/*
|
||
|
|
* This file is part of FFmpeg.
|
||
|
|
*
|
||
|
|
* FFmpeg 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 2.1 of the License, or (at your option) any later version.
|
||
|
|
*
|
||
|
|
* FFmpeg 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 FFmpeg; if not, write to the Free Software
|
||
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "config.h"
|
||
|
|
|
||
|
|
#include "pixelutils.h"
|
||
|
|
#include "cpu.h"
|
||
|
|
|
||
|
|
int ff_pixelutils_sad_8x8_mmx(const uint8_t *src1, ptrdiff_t stride1,
|
||
|
|
const uint8_t *src2, ptrdiff_t stride2);
|
||
|
|
int ff_pixelutils_sad_8x8_mmxext(const uint8_t *src1, ptrdiff_t stride1,
|
||
|
|
const uint8_t *src2, ptrdiff_t stride2);
|
||
|
|
|
||
|
|
int ff_pixelutils_sad_16x16_mmxext(const uint8_t *src1, ptrdiff_t stride1,
|
||
|
|
const uint8_t *src2, ptrdiff_t stride2);
|
||
|
|
int ff_pixelutils_sad_16x16_sse2(const uint8_t *src1, ptrdiff_t stride1,
|
||
|
|
const uint8_t *src2, ptrdiff_t stride2);
|
||
|
|
int ff_pixelutils_sad_a_16x16_sse2(const uint8_t *src1, ptrdiff_t stride1,
|
||
|
|
const uint8_t *src2, ptrdiff_t stride2);
|
||
|
|
int ff_pixelutils_sad_u_16x16_sse2(const uint8_t *src1, ptrdiff_t stride1,
|
||
|
|
const uint8_t *src2, ptrdiff_t stride2);
|
||
|
|
|
||
|
|
void ff_pixelutils_sad_init_x86(av_pixelutils_sad_fn *sad, int aligned)
|
||
|
|
{
|
||
|
|
int cpu_flags = av_get_cpu_flags();
|
||
|
|
|
||
|
|
if (EXTERNAL_MMX(cpu_flags)) {
|
||
|
|
sad[2] = ff_pixelutils_sad_8x8_mmx;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (EXTERNAL_MMXEXT(cpu_flags)) {
|
||
|
|
sad[2] = ff_pixelutils_sad_8x8_mmxext;
|
||
|
|
sad[3] = ff_pixelutils_sad_16x16_mmxext;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (EXTERNAL_SSE2(cpu_flags)) {
|
||
|
|
switch (aligned) {
|
||
|
|
case 0: sad[3] = ff_pixelutils_sad_16x16_sse2; break; // src1 unaligned, src2 unaligned
|
||
|
|
case 1: sad[3] = ff_pixelutils_sad_u_16x16_sse2; break; // src1 aligned, src2 unaligned
|
||
|
|
case 2: sad[3] = ff_pixelutils_sad_a_16x16_sse2; break; // src1 aligned, src2 aligned
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|