mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-11-26 19:01:44 +02:00
6c2a7a8e9a
Also add SIMD which works on lines because it is faster then calculating it on 8x8 blocks using pixelutils. Signed-off-by: Marton Balint <cus@passwd.hu>
73 lines
1.8 KiB
C
73 lines
1.8 KiB
C
/*
|
|
* 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
|
|
*/
|
|
|
|
/**
|
|
* @file
|
|
* Scene SAD funtions
|
|
*/
|
|
|
|
#include "scene_sad.h"
|
|
|
|
void ff_scene_sad16_c(SCENE_SAD_PARAMS)
|
|
{
|
|
uint64_t sad = 0;
|
|
const uint16_t *src1w = (const uint16_t *)src1;
|
|
const uint16_t *src2w = (const uint16_t *)src2;
|
|
int x, y;
|
|
|
|
stride1 /= 2;
|
|
stride2 /= 2;
|
|
|
|
for (y = 0; y < height; y++) {
|
|
for (x = 0; x < width; x++)
|
|
sad += FFABS(src1w[x] - src2w[x]);
|
|
src1w += stride1;
|
|
src2w += stride2;
|
|
}
|
|
*sum = sad;
|
|
}
|
|
|
|
void ff_scene_sad_c(SCENE_SAD_PARAMS)
|
|
{
|
|
uint64_t sad = 0;
|
|
int x, y;
|
|
|
|
for (y = 0; y < height; y++) {
|
|
for (x = 0; x < width; x++)
|
|
sad += FFABS(src1[x] - src2[x]);
|
|
src1 += stride1;
|
|
src2 += stride2;
|
|
}
|
|
*sum = sad;
|
|
}
|
|
|
|
ff_scene_sad_fn ff_scene_sad_get_fn(int depth)
|
|
{
|
|
ff_scene_sad_fn sad = NULL;
|
|
if (ARCH_X86)
|
|
sad = ff_scene_sad_get_fn_x86(depth);
|
|
if (!sad) {
|
|
if (depth == 8)
|
|
sad = ff_scene_sad_c;
|
|
if (depth == 16)
|
|
sad = ff_scene_sad16_c;
|
|
}
|
|
return sad;
|
|
}
|
|
|