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