summaryrefslogtreecommitdiff
path: root/source/libvpx/vp9/common/vp9_tile_common.h
blob: a09876e4b0c90844e5f9cbe6ad08cdda093ef067 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
/*
 *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */

#ifndef VP9_COMMON_VP9_TILE_COMMON_H_
#define VP9_COMMON_VP9_TILE_COMMON_H_

struct VP9Common;

typedef struct TileInfo {
  int mi_row_start, mi_row_end;
  int mi_col_start, mi_col_end;
} TileInfo;

// initializes 'tile->mi_(row|col)_(start|end)' for (row, col) based on
// 'cm->log2_tile_(rows|cols)' & 'cm->mi_(rows|cols)'
void vp9_tile_init(TileInfo *tile, const struct VP9Common *cm,
                   int row, int col);

void vp9_get_tile_n_bits(int mi_cols,
                         int *min_log2_tile_cols, int *max_log2_tile_cols);

#endif  // VP9_COMMON_VP9_TILE_COMMON_H_