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comparison: media/libvpx/vp8/encoder/treewriter.c
media/libvpx/vp8/encoder/treewriter.c
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| -1:000000000000 | 0:b32956efe402 |
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| 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 #include "treewriter.h" | |
| 13 | |
| 14 static void cost( | |
| 15 int *const C, | |
| 16 vp8_tree T, | |
| 17 const vp8_prob *const P, | |
| 18 int i, | |
| 19 int c | |
| 20 ) | |
| 21 { | |
| 22 const vp8_prob p = P [i>>1]; | |
| 23 | |
| 24 do | |
| 25 { | |
| 26 const vp8_tree_index j = T[i]; | |
| 27 const int d = c + vp8_cost_bit(p, i & 1); | |
| 28 | |
| 29 if (j <= 0) | |
| 30 C[-j] = d; | |
| 31 else | |
| 32 cost(C, T, P, j, d); | |
| 33 } | |
| 34 while (++i & 1); | |
| 35 } | |
| 36 void vp8_cost_tokens(int *c, const vp8_prob *p, vp8_tree t) | |
| 37 { | |
| 38 cost(c, t, p, 0, 0); | |
| 39 } | |
| 40 void vp8_cost_tokens2(int *c, const vp8_prob *p, vp8_tree t,int start) | |
| 41 { | |
| 42 cost(c, t, p, start, 0); | |
| 43 } |
