media/libvpx/vp8/common/variance.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.

michael@0 1 /*
michael@0 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
michael@0 3 *
michael@0 4 * Use of this source code is governed by a BSD-style license
michael@0 5 * that can be found in the LICENSE file in the root of the source
michael@0 6 * tree. An additional intellectual property rights grant can be found
michael@0 7 * in the file PATENTS. All contributing project authors may
michael@0 8 * be found in the AUTHORS file in the root of the source tree.
michael@0 9 */
michael@0 10
michael@0 11
michael@0 12 #ifndef VARIANCE_H
michael@0 13 #define VARIANCE_H
michael@0 14
michael@0 15 #include "vpx_config.h"
michael@0 16
michael@0 17 typedef unsigned int(*vp8_sad_fn_t)(
michael@0 18 const unsigned char *src_ptr,
michael@0 19 int source_stride,
michael@0 20 const unsigned char *ref_ptr,
michael@0 21 int ref_stride,
michael@0 22 unsigned int max_sad);
michael@0 23
michael@0 24 typedef void (*vp8_copy32xn_fn_t)(
michael@0 25 const unsigned char *src_ptr,
michael@0 26 int source_stride,
michael@0 27 const unsigned char *ref_ptr,
michael@0 28 int ref_stride,
michael@0 29 int n);
michael@0 30
michael@0 31 typedef void (*vp8_sad_multi_fn_t)(
michael@0 32 const unsigned char *src_ptr,
michael@0 33 int source_stride,
michael@0 34 const unsigned char *ref_ptr,
michael@0 35 int ref_stride,
michael@0 36 unsigned int *sad_array);
michael@0 37
michael@0 38 typedef void (*vp8_sad_multi1_fn_t)
michael@0 39 (
michael@0 40 const unsigned char *src_ptr,
michael@0 41 int source_stride,
michael@0 42 const unsigned char *ref_ptr,
michael@0 43 int ref_stride,
michael@0 44 unsigned short *sad_array
michael@0 45 );
michael@0 46
michael@0 47 typedef void (*vp8_sad_multi_d_fn_t)
michael@0 48 (
michael@0 49 const unsigned char *src_ptr,
michael@0 50 int source_stride,
michael@0 51 const unsigned char * const ref_ptr[],
michael@0 52 int ref_stride,
michael@0 53 unsigned int *sad_array
michael@0 54 );
michael@0 55
michael@0 56 typedef unsigned int (*vp8_variance_fn_t)
michael@0 57 (
michael@0 58 const unsigned char *src_ptr,
michael@0 59 int source_stride,
michael@0 60 const unsigned char *ref_ptr,
michael@0 61 int ref_stride,
michael@0 62 unsigned int *sse
michael@0 63 );
michael@0 64
michael@0 65 typedef unsigned int (*vp8_subpixvariance_fn_t)
michael@0 66 (
michael@0 67 const unsigned char *src_ptr,
michael@0 68 int source_stride,
michael@0 69 int xoffset,
michael@0 70 int yoffset,
michael@0 71 const unsigned char *ref_ptr,
michael@0 72 int Refstride,
michael@0 73 unsigned int *sse
michael@0 74 );
michael@0 75
michael@0 76 typedef void (*vp8_ssimpf_fn_t)
michael@0 77 (
michael@0 78 unsigned char *s,
michael@0 79 int sp,
michael@0 80 unsigned char *r,
michael@0 81 int rp,
michael@0 82 unsigned long *sum_s,
michael@0 83 unsigned long *sum_r,
michael@0 84 unsigned long *sum_sq_s,
michael@0 85 unsigned long *sum_sq_r,
michael@0 86 unsigned long *sum_sxr
michael@0 87 );
michael@0 88
michael@0 89 typedef unsigned int (*vp8_getmbss_fn_t)(const short *);
michael@0 90
michael@0 91 typedef unsigned int (*vp8_get16x16prederror_fn_t)
michael@0 92 (
michael@0 93 const unsigned char *src_ptr,
michael@0 94 int source_stride,
michael@0 95 const unsigned char *ref_ptr,
michael@0 96 int ref_stride
michael@0 97 );
michael@0 98
michael@0 99 typedef struct variance_vtable
michael@0 100 {
michael@0 101 vp8_sad_fn_t sdf;
michael@0 102 vp8_variance_fn_t vf;
michael@0 103 vp8_subpixvariance_fn_t svf;
michael@0 104 vp8_variance_fn_t svf_halfpix_h;
michael@0 105 vp8_variance_fn_t svf_halfpix_v;
michael@0 106 vp8_variance_fn_t svf_halfpix_hv;
michael@0 107 vp8_sad_multi_fn_t sdx3f;
michael@0 108 vp8_sad_multi1_fn_t sdx8f;
michael@0 109 vp8_sad_multi_d_fn_t sdx4df;
michael@0 110 #if ARCH_X86 || ARCH_X86_64
michael@0 111 vp8_copy32xn_fn_t copymem;
michael@0 112 #endif
michael@0 113 } vp8_variance_fn_ptr_t;
michael@0 114
michael@0 115 #endif

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