gecko-dev/media/libvpx/vp9/common/vp9_sadmxn.h

39 строки
1.1 KiB
C

/*
* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef VP9_COMMON_VP9_SADMXN_H_
#define VP9_COMMON_VP9_SADMXN_H_
#include "./vpx_config.h"
#include "vpx/vpx_integer.h"
static INLINE unsigned int sad_mx_n_c(const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride,
int m,
int n) {
int r, c;
unsigned int sad = 0;
for (r = 0; r < n; r++) {
for (c = 0; c < m; c++) {
sad += abs(src_ptr[c] - ref_ptr[c]);
}
src_ptr += src_stride;
ref_ptr += ref_stride;
}
return sad;
}
#endif // VP9_COMMON_VP9_SADMXN_H_