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 VP9_COMMON_VP9_TILE_COMMON_H_
12#define VP9_COMMON_VP9_TILE_COMMON_H_
13
14#ifdef __cplusplus
15extern "C" {
16#endif
17
18struct VP9Common;
19
20typedef struct TileInfo {
21  int mi_row_start, mi_row_end;
22  int mi_col_start, mi_col_end;
23} TileInfo;
24
25// initializes 'tile->mi_(row|col)_(start|end)' for (row, col) based on
26// 'cm->log2_tile_(rows|cols)' & 'cm->mi_(rows|cols)'
27void vp9_tile_init(TileInfo *tile, const struct VP9Common *cm,
28                   int row, int col);
29
30void vp9_get_tile_n_bits(int mi_cols,
31                         int *min_log2_tile_cols, int *max_log2_tile_cols);
32
33#ifdef __cplusplus
34}  // extern "C"
35#endif
36
37#endif  // VP9_COMMON_VP9_TILE_COMMON_H_
38