xref: /aosp_15_r20/external/libvpx/vp8/common/reconintra4x4.h (revision fb1b10ab9aebc7c7068eedab379b749d7e3900be)
1*fb1b10abSAndroid Build Coastguard Worker /*
2*fb1b10abSAndroid Build Coastguard Worker  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
3*fb1b10abSAndroid Build Coastguard Worker  *
4*fb1b10abSAndroid Build Coastguard Worker  *  Use of this source code is governed by a BSD-style license
5*fb1b10abSAndroid Build Coastguard Worker  *  that can be found in the LICENSE file in the root of the source
6*fb1b10abSAndroid Build Coastguard Worker  *  tree. An additional intellectual property rights grant can be found
7*fb1b10abSAndroid Build Coastguard Worker  *  in the file PATENTS.  All contributing project authors may
8*fb1b10abSAndroid Build Coastguard Worker  *  be found in the AUTHORS file in the root of the source tree.
9*fb1b10abSAndroid Build Coastguard Worker  */
10*fb1b10abSAndroid Build Coastguard Worker 
11*fb1b10abSAndroid Build Coastguard Worker #ifndef VPX_VP8_COMMON_RECONINTRA4X4_H_
12*fb1b10abSAndroid Build Coastguard Worker #define VPX_VP8_COMMON_RECONINTRA4X4_H_
13*fb1b10abSAndroid Build Coastguard Worker #include "vp8/common/blockd.h"
14*fb1b10abSAndroid Build Coastguard Worker 
15*fb1b10abSAndroid Build Coastguard Worker #ifdef __cplusplus
16*fb1b10abSAndroid Build Coastguard Worker extern "C" {
17*fb1b10abSAndroid Build Coastguard Worker #endif
18*fb1b10abSAndroid Build Coastguard Worker 
intra_prediction_down_copy(MACROBLOCKD * xd,unsigned char * above_right_src)19*fb1b10abSAndroid Build Coastguard Worker static INLINE void intra_prediction_down_copy(MACROBLOCKD *xd,
20*fb1b10abSAndroid Build Coastguard Worker                                               unsigned char *above_right_src) {
21*fb1b10abSAndroid Build Coastguard Worker   int dst_stride = xd->dst.y_stride;
22*fb1b10abSAndroid Build Coastguard Worker   unsigned char *above_right_dst = xd->dst.y_buffer - dst_stride + 16;
23*fb1b10abSAndroid Build Coastguard Worker 
24*fb1b10abSAndroid Build Coastguard Worker   unsigned int *src_ptr = (unsigned int *)above_right_src;
25*fb1b10abSAndroid Build Coastguard Worker   unsigned int *dst_ptr0 = (unsigned int *)(above_right_dst + 4 * dst_stride);
26*fb1b10abSAndroid Build Coastguard Worker   unsigned int *dst_ptr1 = (unsigned int *)(above_right_dst + 8 * dst_stride);
27*fb1b10abSAndroid Build Coastguard Worker   unsigned int *dst_ptr2 = (unsigned int *)(above_right_dst + 12 * dst_stride);
28*fb1b10abSAndroid Build Coastguard Worker 
29*fb1b10abSAndroid Build Coastguard Worker   *dst_ptr0 = *src_ptr;
30*fb1b10abSAndroid Build Coastguard Worker   *dst_ptr1 = *src_ptr;
31*fb1b10abSAndroid Build Coastguard Worker   *dst_ptr2 = *src_ptr;
32*fb1b10abSAndroid Build Coastguard Worker }
33*fb1b10abSAndroid Build Coastguard Worker 
34*fb1b10abSAndroid Build Coastguard Worker void vp8_intra4x4_predict(unsigned char *above, unsigned char *yleft,
35*fb1b10abSAndroid Build Coastguard Worker                           int left_stride, B_PREDICTION_MODE b_mode,
36*fb1b10abSAndroid Build Coastguard Worker                           unsigned char *dst, int dst_stride,
37*fb1b10abSAndroid Build Coastguard Worker                           unsigned char top_left);
38*fb1b10abSAndroid Build Coastguard Worker 
39*fb1b10abSAndroid Build Coastguard Worker void vp8_init_intra4x4_predictors_internal(void);
40*fb1b10abSAndroid Build Coastguard Worker 
41*fb1b10abSAndroid Build Coastguard Worker #ifdef __cplusplus
42*fb1b10abSAndroid Build Coastguard Worker }  // extern "C"
43*fb1b10abSAndroid Build Coastguard Worker #endif
44*fb1b10abSAndroid Build Coastguard Worker 
45*fb1b10abSAndroid Build Coastguard Worker #endif  // VPX_VP8_COMMON_RECONINTRA4X4_H_
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