ref: c167345ffb4ff1ad0d999b235eecc35a16dc1a70
dir: /vp8/encoder/treewriter.c/
/* * Copyright (c) 2010 The WebM project authors. All Rights Reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. An additional intellectual property rights grant can be found * in the file PATENTS. All contributing project authors may * be found in the AUTHORS file in the root of the source tree. */ #include "treewriter.h" static void cost(int *const C, vp8_tree T, const vp8_prob *const P, int i, int c) { const vp8_prob p = P[i >> 1]; do { const vp8_tree_index j = T[i]; const int d = c + vp8_cost_bit(p, i & 1); if (j <= 0) { C[-j] = d; } else { cost(C, T, P, j, d); } } while (++i & 1); } void vp8_cost_tokens(int *c, const vp8_prob *p, vp8_tree t) { cost(c, t, p, 0, 0); } void vp8_cost_tokens2(int *c, const vp8_prob *p, vp8_tree t, int start) { cost(c, t, p, start, 0); }