| /* |
| * 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 |
| |
| #include "./aom_config.h" |
| |
| struct AV1Common; |
| |
| #define DEFAULT_MAX_NUM_TG 1 |
| |
| typedef struct TileInfo { |
| int mi_row_start, mi_row_end; |
| int mi_col_start, mi_col_end; |
| int tg_horz_boundary; |
| } 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); |
| #if CONFIG_DEPENDENT_HORZTILES |
| void av1_tile_set_tg_boundary(TileInfo *tile, const struct AV1Common *const cm, |
| int row, int col); |
| #endif |
| void av1_get_tile_n_bits(int mi_cols, int *min_log2_tile_cols, |
| int *max_log2_tile_cols); |
| |
| void av1_setup_frame_boundary_info(const struct AV1Common *const cm); |
| |
| // Calculate the correct tile size (width or height) for (1 << log2_tile_num) |
| // tiles horizontally or vertically in the frame. |
| int get_tile_size(int mi_frame_size, int log2_tile_num, int *ntiles); |
| |
| typedef struct { int left, top, right, bottom; } AV1PixelRect; |
| |
| // Return the pixel extents of the given tile |
| AV1PixelRect av1_get_tile_rect(const TileInfo *tile_info, |
| const struct AV1Common *cm, int is_uv); |
| |
| #if CONFIG_LOOPFILTERING_ACROSS_TILES |
| void av1_setup_across_tile_boundary_info(const struct AV1Common *const cm, |
| const TileInfo *const tile_info); |
| int av1_disable_loopfilter_on_tile_boundary(const struct AV1Common *cm); |
| #endif // CONFIG_LOOPFILTERING_ACROSS_TILES |
| |
| #if CONFIG_MAX_TILE |
| |
| // Define tile maximum width and area |
| // There is no maximum height since height is limited by area and width limits |
| // The minimum tile width or height is fixed at one superblock |
| #define MAX_TILE_WIDTH (4096) // Max Tile width in pixels |
| #define MAX_TILE_WIDTH_SB (MAX_TILE_WIDTH >> MAX_SB_SIZE_LOG2) |
| #define MAX_TILE_AREA (4096 * 2304) // Maximum tile area in pixels |
| #define MAX_TILE_AREA_SB (MAX_TILE_AREA >> (2 * MAX_SB_SIZE_LOG2)) |
| |
| void av1_get_tile_limits(struct AV1Common *const cm); |
| void av1_calculate_tile_cols(struct AV1Common *const cm); |
| void av1_calculate_tile_rows(struct AV1Common *const cm); |
| #endif |
| |
| #ifdef __cplusplus |
| } // extern "C" |
| #endif |
| |
| #endif // AV1_COMMON_TILE_COMMON_H_ |