| /* |
| * Copyright (c) 2016, Alliance for Open Media. All rights reserved. |
| * |
| * This source code is subject to the terms of the BSD 2 Clause License and |
| * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License |
| * was not distributed with this source code in the LICENSE file, you can |
| * obtain it at www.aomedia.org/license/software. 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 www.aomedia.org/license/patent. |
| */ |
| |
| #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; |
| } |
| } |
| |
| #if CONFIG_AV1_HIGHBITDEPTH |
| 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 r, c; |
| uint16_t *src = CONVERT_TO_SHORTPTR(src8); |
| uint16_t *pred = CONVERT_TO_SHORTPTR(pred8); |
| |
| 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; |
| } |
| } |
| #endif |