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  */
10 
11 
12 #ifndef VP8_COMMON_RECONINTRA4X4_H_
13 #define VP8_COMMON_RECONINTRA4X4_H_
14 #include "vp8/common/blockd.h"
15 
16 #ifdef __cplusplus
17 extern "C" {
18 #endif
19 
intra_prediction_down_copy(MACROBLOCKD * xd,unsigned char * above_right_src)20 static void intra_prediction_down_copy(MACROBLOCKD *xd,
21                                              unsigned char *above_right_src)
22 {
23     int dst_stride = xd->dst.y_stride;
24     unsigned char *above_right_dst = xd->dst.y_buffer - dst_stride + 16;
25 
26     unsigned int *src_ptr = (unsigned int *)above_right_src;
27     unsigned int *dst_ptr0 = (unsigned int *)(above_right_dst + 4 * dst_stride);
28     unsigned int *dst_ptr1 = (unsigned int *)(above_right_dst + 8 * dst_stride);
29     unsigned int *dst_ptr2 = (unsigned int *)(above_right_dst + 12 * dst_stride);
30 
31     *dst_ptr0 = *src_ptr;
32     *dst_ptr1 = *src_ptr;
33     *dst_ptr2 = *src_ptr;
34 }
35 
36 #ifdef __cplusplus
37 }  // extern "C"
38 #endif
39 
40 #endif  // VP8_COMMON_RECONINTRA4X4_H_
41