The Tor Browser / file comparison
comparison: media/libvpx/vp8/decoder/treereader.h
media/libvpx/vp8/decoder/treereader.h
- branch
- TOR_BUG_9701
- changeset 10
- ac0c01689b40
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| -1:000000000000 | 0:d6b891fb26b9 |
|---|---|
| 1 /* | |
| 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. | |
| 3 * | |
| 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 | |
| 6 * tree. An additional intellectual property rights grant can be found | |
| 7 * in the file PATENTS. All contributing project authors may | |
| 8 * be found in the AUTHORS file in the root of the source tree. | |
| 9 */ | |
| 10 | |
| 11 | |
| 12 #ifndef TREEREADER_H_ | |
| 13 #define TREEREADER_H_ | |
| 14 | |
| 15 #include "vp8/common/treecoder.h" | |
| 16 #include "dboolhuff.h" | |
| 17 | |
| 18 typedef BOOL_DECODER vp8_reader; | |
| 19 | |
| 20 #define vp8_read vp8dx_decode_bool | |
| 21 #define vp8_read_literal vp8_decode_value | |
| 22 #define vp8_read_bit(R) vp8_read(R, vp8_prob_half) | |
| 23 | |
| 24 | |
| 25 /* Intent of tree data structure is to make decoding trivial. */ | |
| 26 | |
| 27 static int vp8_treed_read( | |
| 28 vp8_reader *const r, /* !!! must return a 0 or 1 !!! */ | |
| 29 vp8_tree t, | |
| 30 const vp8_prob *const p | |
| 31 ) | |
| 32 { | |
| 33 register vp8_tree_index i = 0; | |
| 34 | |
| 35 while ((i = t[ i + vp8_read(r, p[i>>1])]) > 0) ; | |
| 36 | |
| 37 return -i; | |
| 38 } | |
| 39 | |
| 40 #endif // TREEREADER_H_ |
