The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/media/libvpx/vp8/common/mbpitch.c	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,68 @@
     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 "blockd.h"
    1.16 +
    1.17 +void vp8_setup_block_dptrs(MACROBLOCKD *x)
    1.18 +{
    1.19 +    int r, c;
    1.20 +
    1.21 +    for (r = 0; r < 4; r++)
    1.22 +    {
    1.23 +        for (c = 0; c < 4; c++)
    1.24 +        {
    1.25 +            x->block[r*4+c].predictor = x->predictor + r * 4 * 16 + c * 4;
    1.26 +        }
    1.27 +    }
    1.28 +
    1.29 +    for (r = 0; r < 2; r++)
    1.30 +    {
    1.31 +        for (c = 0; c < 2; c++)
    1.32 +        {
    1.33 +            x->block[16+r*2+c].predictor = x->predictor + 256 + r * 4 * 8 + c * 4;
    1.34 +
    1.35 +        }
    1.36 +    }
    1.37 +
    1.38 +    for (r = 0; r < 2; r++)
    1.39 +    {
    1.40 +        for (c = 0; c < 2; c++)
    1.41 +        {
    1.42 +            x->block[20+r*2+c].predictor = x->predictor + 320 + r * 4 * 8 + c * 4;
    1.43 +
    1.44 +        }
    1.45 +    }
    1.46 +
    1.47 +    for (r = 0; r < 25; r++)
    1.48 +    {
    1.49 +        x->block[r].qcoeff  = x->qcoeff  + r * 16;
    1.50 +        x->block[r].dqcoeff = x->dqcoeff + r * 16;
    1.51 +        x->block[r].eob     = x->eobs + r;
    1.52 +    }
    1.53 +}
    1.54 +
    1.55 +void vp8_build_block_doffsets(MACROBLOCKD *x)
    1.56 +{
    1.57 +    int block;
    1.58 +
    1.59 +    for (block = 0; block < 16; block++) /* y blocks */
    1.60 +    {
    1.61 +        x->block[block].offset =
    1.62 +            (block >> 2) * 4 * x->dst.y_stride + (block & 3) * 4;
    1.63 +    }
    1.64 +
    1.65 +    for (block = 16; block < 20; block++) /* U and V blocks */
    1.66 +    {
    1.67 +        x->block[block+4].offset =
    1.68 +        x->block[block].offset =
    1.69 +            ((block - 16) >> 1) * 4 * x->dst.uv_stride + (block & 1) * 4;
    1.70 +    }
    1.71 +}