media/libvpx/vp8/common/reconintra4x4.h

Thu, 15 Jan 2015 15:59:08 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 15 Jan 2015 15:59:08 +0100
branch
TOR_BUG_9701
changeset 10
ac0c01689b40
permissions
-rw-r--r--

Implement a real Private Browsing Mode condition by changing the API/ABI;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

     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  */
    12 #ifndef __INC_RECONINTRA4x4_H
    13 #define __INC_RECONINTRA4x4_H
    14 #include "vp8/common/blockd.h"
    16 static void intra_prediction_down_copy(MACROBLOCKD *xd,
    17                                              unsigned char *above_right_src)
    18 {
    19     int dst_stride = xd->dst.y_stride;
    20     unsigned char *above_right_dst = xd->dst.y_buffer - dst_stride + 16;
    22     unsigned int *src_ptr = (unsigned int *)above_right_src;
    23     unsigned int *dst_ptr0 = (unsigned int *)(above_right_dst + 4 * dst_stride);
    24     unsigned int *dst_ptr1 = (unsigned int *)(above_right_dst + 8 * dst_stride);
    25     unsigned int *dst_ptr2 = (unsigned int *)(above_right_dst + 12 * dst_stride);
    27     *dst_ptr0 = *src_ptr;
    28     *dst_ptr1 = *src_ptr;
    29     *dst_ptr2 = *src_ptr;
    30 }
    32 #endif

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