Line data    Source code

       1             : /*
       2             :  * Copyright (c) 2016, Alliance for Open Media. All rights reserved
       3             :  *
       4             :  * This source code is subject to the terms of the BSD 2 Clause License and
       5             :  * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
       6             :  * was not distributed with this source code in the LICENSE file, you can
       7             :  * obtain it at www.aomedia.org/license/software. If the Alliance for Open
       8             :  * Media Patent License 1.0 was not distributed with this source code in the
       9             :  * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
      10             :  */
      11             : 
      12             : #include <stdlib.h>
      13             : 
      14             : #include "./aom_config.h"
      15             : #include "./aom_dsp_rtcd.h"
      16             : 
      17             : #include "aom/aom_integer.h"
      18             : #include "aom_ports/mem.h"
      19             : 
      20           0 : void aom_subtract_block_c(int rows, int cols, int16_t *diff,
      21             :                           ptrdiff_t diff_stride, const uint8_t *src,
      22             :                           ptrdiff_t src_stride, const uint8_t *pred,
      23             :                           ptrdiff_t pred_stride) {
      24             :   int r, c;
      25             : 
      26           0 :   for (r = 0; r < rows; r++) {
      27           0 :     for (c = 0; c < cols; c++) diff[c] = src[c] - pred[c];
      28             : 
      29           0 :     diff += diff_stride;
      30           0 :     pred += pred_stride;
      31           0 :     src += src_stride;
      32             :   }
      33           0 : }
      34             : 
      35             : #if CONFIG_HIGHBITDEPTH
      36           0 : void aom_highbd_subtract_block_c(int rows, int cols, int16_t *diff,
      37             :                                  ptrdiff_t diff_stride, const uint8_t *src8,
      38             :                                  ptrdiff_t src_stride, const uint8_t *pred8,
      39             :                                  ptrdiff_t pred_stride, int bd) {
      40             :   int r, c;
      41           0 :   uint16_t *src = CONVERT_TO_SHORTPTR(src8);
      42           0 :   uint16_t *pred = CONVERT_TO_SHORTPTR(pred8);
      43             :   (void)bd;
      44             : 
      45           0 :   for (r = 0; r < rows; r++) {
      46           0 :     for (c = 0; c < cols; c++) {
      47           0 :       diff[c] = src[c] - pred[c];
      48             :     }
      49             : 
      50           0 :     diff += diff_stride;
      51           0 :     pred += pred_stride;
      52           0 :     src += src_stride;
      53             :   }
      54           0 : }
      55             : #endif  // CONFIG_HIGHBITDEPTH