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/*
* 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 functions
*/
#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;
}
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