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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 // | 4 // |
5 // This file contains an implementation of a VP9 bitstream parser. | 5 // This file contains an implementation of a VP9 bitstream parser. |
6 | 6 |
7 #include "media/filters/vp9_parser.h" | 7 #include "media/filters/vp9_parser.h" |
8 | 8 |
9 #include <algorithm> | 9 #include <algorithm> |
10 | 10 |
11 #include "base/logging.h" | 11 #include "base/logging.h" |
| 12 #include "base/macros.h" |
12 #include "base/numerics/safe_conversions.h" | 13 #include "base/numerics/safe_conversions.h" |
13 | 14 |
14 namespace { | 15 namespace { |
15 | 16 |
16 const int kMaxLoopFilterLevel = 63; | 17 const int kMaxLoopFilterLevel = 63; |
17 | 18 |
18 // Helper function for Vp9Parser::ReadTiles. Defined as get_min_log2_tile_cols | 19 // Helper function for Vp9Parser::ReadTiles. Defined as get_min_log2_tile_cols |
19 // in spec. | 20 // in spec. |
20 int GetMinLog2TileCols(int sb64_cols) { | 21 int GetMinLog2TileCols(int sb64_cols) { |
21 const int kMaxTileWidthB64 = 64; | 22 const int kMaxTileWidthB64 = 64; |
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682 CLAMP_LF(level + loop_filter_.ref_deltas[type] * scale + | 683 CLAMP_LF(level + loop_filter_.ref_deltas[type] * scale + |
683 loop_filter_.mode_deltas[mode] * scale); | 684 loop_filter_.mode_deltas[mode] * scale); |
684 } | 685 } |
685 } | 686 } |
686 } | 687 } |
687 } | 688 } |
688 } | 689 } |
689 #undef CLAMP_LF | 690 #undef CLAMP_LF |
690 | 691 |
691 } // namespace media | 692 } // namespace media |
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