The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/media/libvpx/vp8/encoder/treewriter.c	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,43 @@
     1.4 +/*
     1.5 + *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
     1.6 + *
     1.7 + *  Use of this source code is governed by a BSD-style license
     1.8 + *  that can be found in the LICENSE file in the root of the source
     1.9 + *  tree. An additional intellectual property rights grant can be found
    1.10 + *  in the file PATENTS.  All contributing project authors may
    1.11 + *  be found in the AUTHORS file in the root of the source tree.
    1.12 + */
    1.13 +
    1.14 +
    1.15 +#include "treewriter.h"
    1.16 +
    1.17 +static void cost(
    1.18 +    int *const C,
    1.19 +    vp8_tree T,
    1.20 +    const vp8_prob *const P,
    1.21 +    int i,
    1.22 +    int c
    1.23 +)
    1.24 +{
    1.25 +    const vp8_prob p = P [i>>1];
    1.26 +
    1.27 +    do
    1.28 +    {
    1.29 +        const vp8_tree_index j = T[i];
    1.30 +        const int d = c + vp8_cost_bit(p, i & 1);
    1.31 +
    1.32 +        if (j <= 0)
    1.33 +            C[-j] = d;
    1.34 +        else
    1.35 +            cost(C, T, P, j, d);
    1.36 +    }
    1.37 +    while (++i & 1);
    1.38 +}
    1.39 +void vp8_cost_tokens(int *c, const vp8_prob *p, vp8_tree t)
    1.40 +{
    1.41 +    cost(c, t, p, 0, 0);
    1.42 +}
    1.43 +void vp8_cost_tokens2(int *c, const vp8_prob *p, vp8_tree t,int start)
    1.44 +{
    1.45 +    cost(c, t, p, start, 0);
    1.46 +}