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| 1 /* | 1 /* |
| 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. | 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. |
| 3 * | 3 * |
| 4 * Use of this source code is governed by a BSD-style license | 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 | 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 | 6 * tree. An additional intellectual property rights grant can be found |
| 7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
| 8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
| 9 */ | 9 */ |
| 10 | 10 |
| 11 #include "vp9/common/vp9_tile_common.h" | 11 #include "vp9/common/vp9_tile_common.h" |
| 12 | 12 |
| 13 #include "vp9/common/vp9_onyxc_int.h" | 13 #include "vp9/common/vp9_onyxc_int.h" |
| 14 | 14 |
| 15 #define MIN_TILE_WIDTH_B64 4 | 15 #define MIN_TILE_WIDTH_B64 4 |
| 16 #define MAX_TILE_WIDTH_B64 64 | 16 #define MAX_TILE_WIDTH_B64 64 |
| 17 | 17 |
| 18 static int get_tile_offset(int idx, int mis, int log2) { | 18 static int get_tile_offset(int idx, int mis, int log2) { |
| 19 const int sb_cols = mi_cols_aligned_to_sb(mis) >> MI_BLOCK_SIZE_LOG2; | 19 const int sb_cols = mi_cols_aligned_to_sb(mis) >> MI_BLOCK_SIZE_LOG2; |
| 20 const int offset = ((idx * sb_cols) >> log2) << MI_BLOCK_SIZE_LOG2; | 20 const int offset = ((idx * sb_cols) >> log2) << MI_BLOCK_SIZE_LOG2; |
| 21 return MIN(offset, mis); | 21 return VPXMIN(offset, mis); |
| 22 } | 22 } |
| 23 | 23 |
| 24 void vp9_tile_set_row(TileInfo *tile, const VP9_COMMON *cm, int row) { | 24 void vp9_tile_set_row(TileInfo *tile, const VP9_COMMON *cm, int row) { |
| 25 tile->mi_row_start = get_tile_offset(row, cm->mi_rows, cm->log2_tile_rows); | 25 tile->mi_row_start = get_tile_offset(row, cm->mi_rows, cm->log2_tile_rows); |
| 26 tile->mi_row_end = get_tile_offset(row + 1, cm->mi_rows, cm->log2_tile_rows); | 26 tile->mi_row_end = get_tile_offset(row + 1, cm->mi_rows, cm->log2_tile_rows); |
| 27 } | 27 } |
| 28 | 28 |
| 29 void vp9_tile_set_col(TileInfo *tile, const VP9_COMMON *cm, int col) { | 29 void vp9_tile_set_col(TileInfo *tile, const VP9_COMMON *cm, int col) { |
| 30 tile->mi_col_start = get_tile_offset(col, cm->mi_cols, cm->log2_tile_cols); | 30 tile->mi_col_start = get_tile_offset(col, cm->mi_cols, cm->log2_tile_cols); |
| 31 tile->mi_col_end = get_tile_offset(col + 1, cm->mi_cols, cm->log2_tile_cols); | 31 tile->mi_col_end = get_tile_offset(col + 1, cm->mi_cols, cm->log2_tile_cols); |
| (...skipping 18 matching lines...) Expand all Loading... |
| 50 return max_log2 - 1; | 50 return max_log2 - 1; |
| 51 } | 51 } |
| 52 | 52 |
| 53 void vp9_get_tile_n_bits(int mi_cols, | 53 void vp9_get_tile_n_bits(int mi_cols, |
| 54 int *min_log2_tile_cols, int *max_log2_tile_cols) { | 54 int *min_log2_tile_cols, int *max_log2_tile_cols) { |
| 55 const int sb64_cols = mi_cols_aligned_to_sb(mi_cols) >> MI_BLOCK_SIZE_LOG2; | 55 const int sb64_cols = mi_cols_aligned_to_sb(mi_cols) >> MI_BLOCK_SIZE_LOG2; |
| 56 *min_log2_tile_cols = get_min_log2_tile_cols(sb64_cols); | 56 *min_log2_tile_cols = get_min_log2_tile_cols(sb64_cols); |
| 57 *max_log2_tile_cols = get_max_log2_tile_cols(sb64_cols); | 57 *max_log2_tile_cols = get_max_log2_tile_cols(sb64_cols); |
| 58 assert(*min_log2_tile_cols <= *max_log2_tile_cols); | 58 assert(*min_log2_tile_cols <= *max_log2_tile_cols); |
| 59 } | 59 } |
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