xref: /aosp_15_r20/external/libvpx/vp9/common/vp9_tile_common.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_VP9_COMMON_VP9_TILE_COMMON_H_
12*fb1b10abSAndroid Build Coastguard Worker #define VPX_VP9_COMMON_VP9_TILE_COMMON_H_
13*fb1b10abSAndroid Build Coastguard Worker 
14*fb1b10abSAndroid Build Coastguard Worker #ifdef __cplusplus
15*fb1b10abSAndroid Build Coastguard Worker extern "C" {
16*fb1b10abSAndroid Build Coastguard Worker #endif
17*fb1b10abSAndroid Build Coastguard Worker 
18*fb1b10abSAndroid Build Coastguard Worker struct VP9Common;
19*fb1b10abSAndroid Build Coastguard Worker 
20*fb1b10abSAndroid Build Coastguard Worker typedef struct TileInfo {
21*fb1b10abSAndroid Build Coastguard Worker   int mi_row_start, mi_row_end;
22*fb1b10abSAndroid Build Coastguard Worker   int mi_col_start, mi_col_end;
23*fb1b10abSAndroid Build Coastguard Worker } TileInfo;
24*fb1b10abSAndroid Build Coastguard Worker 
25*fb1b10abSAndroid Build Coastguard Worker // initializes 'tile->mi_(row|col)_(start|end)' for (row, col) based on
26*fb1b10abSAndroid Build Coastguard Worker // 'cm->log2_tile_(rows|cols)' & 'cm->mi_(rows|cols)'
27*fb1b10abSAndroid Build Coastguard Worker void vp9_tile_init(TileInfo *tile, const struct VP9Common *cm, int row,
28*fb1b10abSAndroid Build Coastguard Worker                    int col);
29*fb1b10abSAndroid Build Coastguard Worker 
30*fb1b10abSAndroid Build Coastguard Worker void vp9_tile_set_row(TileInfo *tile, const struct VP9Common *cm, int row);
31*fb1b10abSAndroid Build Coastguard Worker void vp9_tile_set_col(TileInfo *tile, const struct VP9Common *cm, int col);
32*fb1b10abSAndroid Build Coastguard Worker 
33*fb1b10abSAndroid Build Coastguard Worker void vp9_get_tile_n_bits(int mi_cols, int *min_log2_tile_cols,
34*fb1b10abSAndroid Build Coastguard Worker                          int *max_log2_tile_cols);
35*fb1b10abSAndroid Build Coastguard Worker 
36*fb1b10abSAndroid Build Coastguard Worker #ifdef __cplusplus
37*fb1b10abSAndroid Build Coastguard Worker }  // extern "C"
38*fb1b10abSAndroid Build Coastguard Worker #endif
39*fb1b10abSAndroid Build Coastguard Worker 
40*fb1b10abSAndroid Build Coastguard Worker #endif  // VPX_VP9_COMMON_VP9_TILE_COMMON_H_
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