1 /* 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef VP9_COMMON_VP9_TILE_COMMON_H_ 12 #define VP9_COMMON_VP9_TILE_COMMON_H_ 13 14 struct VP9Common; 15 16 typedef struct TileInfo { 17 int mi_row_start, mi_row_end; 18 int mi_col_start, mi_col_end; 19 } TileInfo; 20 21 // initializes 'tile->mi_(row|col)_(start|end)' for (row_idx, col_idx) based on 22 // 'cm->log2_tile_(rows|cols)' & 'cm->mi_(rows|cols)' 23 void vp9_tile_init(TileInfo *tile, const struct VP9Common *cm, 24 int row_idx, int col_idx); 25 26 void vp9_get_tile_n_bits(int mi_cols, 27 int *min_log2_tile_cols, int *max_log2_tile_cols); 28 29 #endif // VP9_COMMON_VP9_TILE_COMMON_H_ 30