media/libvpx/vp8/encoder/mcomp.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 __INC_MCOMP_H
michael@0 13 #define __INC_MCOMP_H
michael@0 14
michael@0 15 #include "block.h"
michael@0 16 #include "vp8/common/variance.h"
michael@0 17
michael@0 18 #ifdef VP8_ENTROPY_STATS
michael@0 19 extern void init_mv_ref_counts();
michael@0 20 extern void accum_mv_refs(MB_PREDICTION_MODE, const int near_mv_ref_cts[4]);
michael@0 21 #endif
michael@0 22
michael@0 23
michael@0 24 /* The maximum number of steps in a step search given the largest allowed
michael@0 25 * initial step
michael@0 26 */
michael@0 27 #define MAX_MVSEARCH_STEPS 8
michael@0 28
michael@0 29 /* Max full pel mv specified in 1 pel units */
michael@0 30 #define MAX_FULL_PEL_VAL ((1 << (MAX_MVSEARCH_STEPS)) - 1)
michael@0 31
michael@0 32 /* Maximum size of the first step in full pel units */
michael@0 33 #define MAX_FIRST_STEP (1 << (MAX_MVSEARCH_STEPS-1))
michael@0 34
michael@0 35 extern void print_mode_context(void);
michael@0 36 extern int vp8_mv_bit_cost(int_mv *mv, int_mv *ref, int *mvcost[2], int Weight);
michael@0 37 extern void vp8_init_dsmotion_compensation(MACROBLOCK *x, int stride);
michael@0 38 extern void vp8_init3smotion_compensation(MACROBLOCK *x, int stride);
michael@0 39
michael@0 40
michael@0 41 extern int vp8_hex_search
michael@0 42 (
michael@0 43 MACROBLOCK *x,
michael@0 44 BLOCK *b,
michael@0 45 BLOCKD *d,
michael@0 46 int_mv *ref_mv,
michael@0 47 int_mv *best_mv,
michael@0 48 int search_param,
michael@0 49 int error_per_bit,
michael@0 50 const vp8_variance_fn_ptr_t *vf,
michael@0 51 int *mvsadcost[2],
michael@0 52 int *mvcost[2],
michael@0 53 int_mv *center_mv
michael@0 54 );
michael@0 55
michael@0 56 typedef int (fractional_mv_step_fp)
michael@0 57 (MACROBLOCK *x, BLOCK *b, BLOCKD *d, int_mv *bestmv, int_mv *ref_mv,
michael@0 58 int error_per_bit, const vp8_variance_fn_ptr_t *vfp, int *mvcost[2],
michael@0 59 int *distortion, unsigned int *sse);
michael@0 60
michael@0 61 extern fractional_mv_step_fp vp8_find_best_sub_pixel_step_iteratively;
michael@0 62 extern fractional_mv_step_fp vp8_find_best_sub_pixel_step;
michael@0 63 extern fractional_mv_step_fp vp8_find_best_half_pixel_step;
michael@0 64 extern fractional_mv_step_fp vp8_skip_fractional_mv_step;
michael@0 65
michael@0 66 typedef int (*vp8_full_search_fn_t)
michael@0 67 (
michael@0 68 MACROBLOCK *x,
michael@0 69 BLOCK *b,
michael@0 70 BLOCKD *d,
michael@0 71 int_mv *ref_mv,
michael@0 72 int sad_per_bit,
michael@0 73 int distance,
michael@0 74 vp8_variance_fn_ptr_t *fn_ptr,
michael@0 75 int *mvcost[2],
michael@0 76 int_mv *center_mv
michael@0 77 );
michael@0 78
michael@0 79 typedef int (*vp8_refining_search_fn_t)
michael@0 80 (
michael@0 81 MACROBLOCK *x,
michael@0 82 BLOCK *b,
michael@0 83 BLOCKD *d,
michael@0 84 int_mv *ref_mv,
michael@0 85 int sad_per_bit,
michael@0 86 int distance,
michael@0 87 vp8_variance_fn_ptr_t *fn_ptr,
michael@0 88 int *mvcost[2],
michael@0 89 int_mv *center_mv
michael@0 90 );
michael@0 91
michael@0 92 typedef int (*vp8_diamond_search_fn_t)
michael@0 93 (
michael@0 94 MACROBLOCK *x,
michael@0 95 BLOCK *b,
michael@0 96 BLOCKD *d,
michael@0 97 int_mv *ref_mv,
michael@0 98 int_mv *best_mv,
michael@0 99 int search_param,
michael@0 100 int sad_per_bit,
michael@0 101 int *num00,
michael@0 102 vp8_variance_fn_ptr_t *fn_ptr,
michael@0 103 int *mvcost[2],
michael@0 104 int_mv *center_mv
michael@0 105 );
michael@0 106
michael@0 107 #endif

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