michael@0: /*
michael@0:  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
michael@0:  *
michael@0:  *  Use of this source code is governed by a BSD-style license
michael@0:  *  that can be found in the LICENSE file in the root of the source
michael@0:  *  tree. An additional intellectual property rights grant can be found
michael@0:  *  in the file PATENTS.  All contributing project authors may
michael@0:  *  be found in the AUTHORS file in the root of the source tree.
michael@0:  */
michael@0: 
michael@0: #ifndef VP9_COMMON_VP9_TILE_COMMON_H_
michael@0: #define VP9_COMMON_VP9_TILE_COMMON_H_
michael@0: 
michael@0: struct VP9Common;
michael@0: 
michael@0: typedef struct TileInfo {
michael@0:   int mi_row_start, mi_row_end;
michael@0:   int mi_col_start, mi_col_end;
michael@0: } TileInfo;
michael@0: 
michael@0: // initializes 'tile->mi_(row|col)_(start|end)' for (row, col) based on
michael@0: // 'cm->log2_tile_(rows|cols)' & 'cm->mi_(rows|cols)'
michael@0: void vp9_tile_init(TileInfo *tile, const struct VP9Common *cm,
michael@0:                    int row, int col);
michael@0: 
michael@0: void vp9_get_tile_n_bits(int mi_cols,
michael@0:                          int *min_log2_tile_cols, int *max_log2_tile_cols);
michael@0: 
michael@0: #endif  // VP9_COMMON_VP9_TILE_COMMON_H_