aom/av1/common/tile_common.h

46 строки
1.4 KiB
C

/*
* Copyright (c) 2016, Alliance for Open Media. All rights reserved
*
* This source code is subject to the terms of the BSD 2 Clause License and
* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
* was not distributed with this source code in the LICENSE file, you can
* obtain it at www.aomedia.org/license/software. If the Alliance for Open
* Media Patent License 1.0 was not distributed with this source code in the
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
*/
#ifndef AV1_COMMON_TILE_COMMON_H_
#define AV1_COMMON_TILE_COMMON_H_
#ifdef __cplusplus
extern "C" {
#endif
struct AV1Common;
#if CONFIG_TILE_GROUPS
#define DEFAULT_MAX_NUM_TG 3
#endif
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 av1_tile_init(TileInfo *tile, const struct AV1Common *cm, int row,
int col);
void av1_tile_set_row(TileInfo *tile, const struct AV1Common *cm, int row);
void av1_tile_set_col(TileInfo *tile, const struct AV1Common *cm, int col);
void av1_get_tile_n_bits(const int mi_cols, int *min_log2_tile_cols,
int *max_log2_tile_cols);
#ifdef __cplusplus
} // extern "C"
#endif
#endif // AV1_COMMON_TILE_COMMON_H_