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 VPX_VP9_COMMON_VP9_TILE_COMMON_H_ 12 #define VPX_VP9_COMMON_VP9_TILE_COMMON_H_ 13 14 #ifdef __cplusplus 15 extern "C" { 16 #endif 17 18 struct VP9Common; 19 20 typedef struct TileInfo { 21 int mi_row_start, mi_row_end; 22 int mi_col_start, mi_col_end; 23 } TileInfo; 24 25 // initializes 'tile->mi_(row|col)_(start|end)' for (row, col) based on 26 // 'cm->log2_tile_(rows|cols)' & 'cm->mi_(rows|cols)' 27 void vp9_tile_init(TileInfo *tile, const struct VP9Common *cm, int row, 28 int col); 29 30 void vp9_tile_set_row(TileInfo *tile, const struct VP9Common *cm, int row); 31 void vp9_tile_set_col(TileInfo *tile, const struct VP9Common *cm, int col); 32 33 void vp9_get_tile_n_bits(int mi_cols, int *min_log2_tile_cols, 34 int *max_log2_tile_cols); 35 36 #ifdef __cplusplus 37 } // extern "C" 38 #endif 39 40 #endif // VPX_VP9_COMMON_VP9_TILE_COMMON_H_ 41