godot/thirdparty/libvpx/vp9/common/vp9_tile_common.h
Błażej Szczygieł 5268443fdf Add libvpx thirdparty library
Only necessary files
2016-10-19 13:34:28 +02:00

41 lines
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 VP9_COMMON_VP9_TILE_COMMON_H_
#define VP9_COMMON_VP9_TILE_COMMON_H_
#ifdef __cplusplus
extern "C" {
#endif
struct VP9Common;
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 vp9_tile_init(TileInfo *tile, const struct VP9Common *cm,
int row, int col);
void vp9_tile_set_row(TileInfo *tile, const struct VP9Common *cm, int row);
void vp9_tile_set_col(TileInfo *tile, const struct VP9Common *cm, int col);
void vp9_get_tile_n_bits(int mi_cols,
int *min_log2_tile_cols, int *max_log2_tile_cols);
#ifdef __cplusplus
} // extern "C"
#endif
#endif // VP9_COMMON_VP9_TILE_COMMON_H_