aom/vp10/common/tile_common.h

41 строка
1.2 KiB
C

/*
* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef VP10_COMMON_TILE_COMMON_H_
#define VP10_COMMON_TILE_COMMON_H_
#ifdef __cplusplus
extern "C" {
#endif
struct VP10Common;
typedef struct TileInfo {
int mi_row_start, mi_row_end;
int mi_col_start, mi_col_end;
} TileInfo;
// initializes 'tile->mi_(row|col)_(start|end)' for (row, col) based on
// 'cm->log2_tile_(rows|cols)' & 'cm->mi_(rows|cols)'
void vp10_tile_init(TileInfo *tile, const struct VP10Common *cm,
int row, int col);
void vp10_tile_set_row(TileInfo *tile, const struct VP10Common *cm, int row);
void vp10_tile_set_col(TileInfo *tile, const struct VP10Common *cm, int col);
void vp10_get_tile_n_bits(const int mi_cols,
int *min_log2_tile_cols, int *max_log2_tile_cols);
#ifdef __cplusplus
} // extern "C"
#endif
#endif // VP10_COMMON_TILE_COMMON_H_