blob: 1f66d5a0bc6c301650fd644bb2c45c54e979c4b1 [file] [log] [blame] [edit]
/*
* Copyright (c) 2021, Alliance for Open Media. All rights reserved
*
* This source code is subject to the terms of the BSD 3-Clause Clear License
* and the Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear
* License was not distributed with this source code in the LICENSE file, you
* can obtain it at aomedia.org/license/software-license/bsd-3-c-c/. If the
* Alliance for Open Media Patent License 1.0 was not distributed with this
* source code in the PATENTS file, you can obtain it at
* aomedia.org/license/patent-license/.
*/
#include <stdlib.h>
#include "config/aom_config.h"
#include "config/aom_dsp_rtcd.h"
#include "aom/aom_integer.h"
#include "aom_ports/mem.h"
void aom_subtract_block_c(int rows, int cols, int16_t *diff,
ptrdiff_t diff_stride, const uint8_t *src,
ptrdiff_t src_stride, const uint8_t *pred,
ptrdiff_t pred_stride) {
int r, c;
for (r = 0; r < rows; r++) {
for (c = 0; c < cols; c++) diff[c] = src[c] - pred[c];
diff += diff_stride;
pred += pred_stride;
src += src_stride;
}
}
void aom_highbd_subtract_block_c(int rows, int cols, int16_t *diff,
ptrdiff_t diff_stride, const uint8_t *src8,
ptrdiff_t src_stride, const uint8_t *pred8,
ptrdiff_t pred_stride, int bd) {
int r, c;
uint16_t *src = CONVERT_TO_SHORTPTR(src8);
uint16_t *pred = CONVERT_TO_SHORTPTR(pred8);
(void)bd;
for (r = 0; r < rows; r++) {
for (c = 0; c < cols; c++) {
diff[c] = src[c] - pred[c];
}
diff += diff_stride;
pred += pred_stride;
src += src_stride;
}
}