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 #ifndef VPX_VP8_COMMON_RECONINTRA4X4_H_
12 #define VPX_VP8_COMMON_RECONINTRA4X4_H_
13 #include "vp8/common/blockd.h"
14 
15 #ifdef __cplusplus
16 extern "C" {
17 #endif
18 
intra_prediction_down_copy(MACROBLOCKD * xd,unsigned char * above_right_src)19 static INLINE void intra_prediction_down_copy(MACROBLOCKD *xd,
20                                               unsigned char *above_right_src) {
21   int dst_stride = xd->dst.y_stride;
22   unsigned char *above_right_dst = xd->dst.y_buffer - dst_stride + 16;
23 
24   unsigned int *src_ptr = (unsigned int *)above_right_src;
25   unsigned int *dst_ptr0 = (unsigned int *)(above_right_dst + 4 * dst_stride);
26   unsigned int *dst_ptr1 = (unsigned int *)(above_right_dst + 8 * dst_stride);
27   unsigned int *dst_ptr2 = (unsigned int *)(above_right_dst + 12 * dst_stride);
28 
29   *dst_ptr0 = *src_ptr;
30   *dst_ptr1 = *src_ptr;
31   *dst_ptr2 = *src_ptr;
32 }
33 
34 void vp8_intra4x4_predict(unsigned char *above, unsigned char *yleft,
35                           int left_stride, B_PREDICTION_MODE b_mode,
36                           unsigned char *dst, int dst_stride,
37                           unsigned char top_left);
38 
39 void vp8_init_intra4x4_predictors_internal(void);
40 
41 #ifdef __cplusplus
42 }  // extern "C"
43 #endif
44 
45 #endif  // VPX_VP8_COMMON_RECONINTRA4X4_H_
46