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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 | |
13 #include "vp9/common/vp9_onyxc_int.h" | 12 #include "vp9/common/vp9_onyxc_int.h" |
| 13 #include "vpx_dsp/vpx_dsp_common.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 VPXMIN(offset, mis); | 21 return VPXMIN(offset, mis); |
22 } | 22 } |
23 | 23 |
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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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