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_VP9_COMMON_VP9_ALLOCCOMMON_H_
12 #define VPX_VP9_COMMON_VP9_ALLOCCOMMON_H_
13 
14 #define INVALID_IDX (-1)  // Invalid buffer index.
15 
16 #ifdef __cplusplus
17 extern "C" {
18 #endif
19 
20 struct VP9Common;
21 struct BufferPool;
22 
23 void vp9_remove_common(struct VP9Common *cm);
24 
25 int vp9_alloc_loop_filter(struct VP9Common *cm);
26 int vp9_alloc_context_buffers(struct VP9Common *cm, int width, int height);
27 void vp9_init_context_buffers(struct VP9Common *cm);
28 void vp9_free_context_buffers(struct VP9Common *cm);
29 
30 void vp9_free_ref_frame_buffers(struct BufferPool *pool);
31 void vp9_free_postproc_buffers(struct VP9Common *cm);
32 
33 int vp9_alloc_state_buffers(struct VP9Common *cm, int width, int height);
34 void vp9_free_state_buffers(struct VP9Common *cm);
35 
36 void vp9_set_mi_size(int *mi_rows, int *mi_cols, int *mi_stride, int width,
37                      int height);
38 void vp9_set_mb_size(int *mb_rows, int *mb_cols, int *mb_num, int mi_rows,
39                      int mi_cols);
40 
41 void vp9_set_mb_mi(struct VP9Common *cm, int width, int height);
42 
43 void vp9_swap_current_and_last_seg_map(struct VP9Common *cm);
44 
45 #ifdef __cplusplus
46 }  // extern "C"
47 #endif
48 
49 #endif  // VPX_VP9_COMMON_VP9_ALLOCCOMMON_H_
50