/* * 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.
*/
typedefstruct TileInfo { int mi_row_start, mi_row_end; int mi_col_start, mi_col_end; int tile_row; int tile_col;
} 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, conststruct AV1Common *cm, int row, int col);
void av1_tile_set_row(TileInfo *tile, conststruct AV1Common *cm, int row); void av1_tile_set_col(TileInfo *tile, conststruct AV1Common *cm, int col);
int av1_get_sb_rows_in_tile(conststruct AV1Common *cm, const TileInfo *tile); int av1_get_sb_cols_in_tile(conststruct AV1Common *cm, const TileInfo *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_AREA (4096 * 2304) // Maximum tile area in pixels #if CONFIG_CWG_C013 #define MAX_TILE_AREA_LEVEL_7_AND_ABOVE (4096 * 4608) #endif
// Gets the width and height (in units of MI_SIZE) of the tiles in a tile list. // Returns true on success, false on failure. bool av1_get_uniform_tile_size(conststruct AV1Common *cm, int *w, int *h); void av1_get_tile_limits(struct AV1Common *const cm); void av1_calculate_tile_cols(conststruct SequenceHeader *const seq_params, int cm_mi_rows, int cm_mi_cols, struct CommonTileParams *const tiles); void av1_calculate_tile_rows(conststruct SequenceHeader *const seq_params, int cm_mi_rows, struct CommonTileParams *const tiles);
// Checks if the minimum tile_width requirement is satisfied int av1_is_min_tile_width_satisfied(conststruct AV1Common *cm);
#ifdef __cplusplus
} // extern "C" #endif
#endif// AOM_AV1_COMMON_TILE_COMMON_H_
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