40 lines
1.2 KiB
C++
40 lines
1.2 KiB
C++
/*
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* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef VP9_COMMON_VP9_TILE_COMMON_H_
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#define VP9_COMMON_VP9_TILE_COMMON_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct VP9Common;
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typedef struct TileInfo {
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int mi_row_start, mi_row_end;
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int mi_col_start, mi_col_end;
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} TileInfo;
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// initializes 'tile->mi_(row|col)_(start|end)' for (row, col) based on
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// 'cm->log2_tile_(rows|cols)' & 'cm->mi_(rows|cols)'
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void vp9_tile_init(TileInfo *tile, const struct VP9Common *cm,
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int row, int col);
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void vp9_tile_set_row(TileInfo *tile, const struct VP9Common *cm, int row);
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void vp9_tile_set_col(TileInfo *tile, const struct VP9Common *cm, int col);
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void vp9_get_tile_n_bits(int mi_cols,
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int *min_log2_tile_cols, int *max_log2_tile_cols);
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // VP9_COMMON_VP9_TILE_COMMON_H_
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