The Tor Browser: media/libvpx/vp9/common/vp9

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /*

     2  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.

     3  *

     4  *  Use of this source code is governed by a BSD-style license

     5  *  that can be found in the LICENSE file in the root of the source

     6  *  tree. An additional intellectual property rights grant can be found

     7  *  in the file PATENTS.  All contributing project authors may

     8  *  be found in the AUTHORS file in the root of the source tree.

     9  */

    11 #ifndef VP9_COMMON_VP9_SADMXN_H_

    12 #define VP9_COMMON_VP9_SADMXN_H_

    14 #include "./vpx_config.h"

    15 #include "vpx/vpx_integer.h"

    17 static INLINE unsigned int sad_mx_n_c(const uint8_t *src_ptr,

    18                                       int src_stride,

    19                                       const uint8_t *ref_ptr,

    20                                       int ref_stride,

    21                                       int m,

    22                                       int n) {

    23   int r, c;

    24   unsigned int sad = 0;

    26   for (r = 0; r < n; r++) {

    27     for (c = 0; c < m; c++) {

    28       sad += abs(src_ptr[c] - ref_ptr[c]);

    29     }

    31     src_ptr += src_stride;

    32     ref_ptr += ref_stride;

    33   }

    35   return sad;

    36 }

    38 #endif  // VP9_COMMON_VP9_SADMXN_H_

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