media/libvpx/vp9/encoder/vp9_mcomp.h@ac0c01689b40
media/libvpx/vp9/encoder/vp9_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.
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 VP9_ENCODER_VP9_MCOMP_H_
13 #define VP9_ENCODER_VP9_MCOMP_H_
15 #include "vp9/encoder/vp9_block.h"
16 #include "vp9/encoder/vp9_variance.h"
18 // The maximum number of steps in a step search given the largest
19 // allowed initial step
20 #define MAX_MVSEARCH_STEPS 11
21 // Max full pel mv specified in 1 pel units
22 #define MAX_FULL_PEL_VAL ((1 << (MAX_MVSEARCH_STEPS)) - 1)
23 // Maximum size of the first step in full pel units
24 #define MAX_FIRST_STEP (1 << (MAX_MVSEARCH_STEPS-1))
25 // Allowed motion vector pixel distance outside image border
26 // for Block_16x16
27 #define BORDER_MV_PIXELS_B16 (16 + VP9_INTERP_EXTEND)
30 void vp9_clamp_mv_min_max(MACROBLOCK *x, MV *mv);
31 int vp9_mv_bit_cost(const MV *mv, const MV *ref,
32 const int *mvjcost, int *mvcost[2], int weight);
33 void vp9_init_dsmotion_compensation(MACROBLOCK *x, int stride);
34 void vp9_init3smotion_compensation(MACROBLOCK *x, int stride);
36 struct VP9_COMP;
37 int vp9_init_search_range(struct VP9_COMP *cpi, int size);
39 // Runs sequence of diamond searches in smaller steps for RD
40 int vp9_full_pixel_diamond(struct VP9_COMP *cpi, MACROBLOCK *x,
41 int_mv *mvp_full, int step_param,
42 int sadpb, int further_steps, int do_refine,
43 vp9_variance_fn_ptr_t *fn_ptr,
44 int_mv *ref_mv, int_mv *dst_mv);
46 int vp9_hex_search(MACROBLOCK *x,
47 MV *ref_mv,
48 int search_param,
49 int error_per_bit,
50 int do_init_search,
51 const vp9_variance_fn_ptr_t *vf,
52 int use_mvcost,
53 const MV *center_mv,
54 MV *best_mv);
55 int vp9_bigdia_search(MACROBLOCK *x,
56 MV *ref_mv,
57 int search_param,
58 int error_per_bit,
59 int do_init_search,
60 const vp9_variance_fn_ptr_t *vf,
61 int use_mvcost,
62 const MV *center_mv,
63 MV *best_mv);
64 int vp9_square_search(MACROBLOCK *x,
65 MV *ref_mv,
66 int search_param,
67 int error_per_bit,
68 int do_init_search,
69 const vp9_variance_fn_ptr_t *vf,
70 int use_mvcost,
71 const MV *center_mv,
72 MV *best_mv);
74 typedef int (fractional_mv_step_fp) (
75 MACROBLOCK *x,
76 MV *bestmv, const MV *ref_mv,
77 int allow_hp,
78 int error_per_bit,
79 const vp9_variance_fn_ptr_t *vfp,
80 int forced_stop, // 0 - full, 1 - qtr only, 2 - half only
81 int iters_per_step,
82 int *mvjcost,
83 int *mvcost[2],
84 int *distortion,
85 unsigned int *sse);
86 extern fractional_mv_step_fp vp9_find_best_sub_pixel_iterative;
87 extern fractional_mv_step_fp vp9_find_best_sub_pixel_tree;
89 typedef int (fractional_mv_step_comp_fp) (
90 MACROBLOCK *x,
91 MV *bestmv, const MV *ref_mv,
92 int allow_hp,
93 int error_per_bit,
94 const vp9_variance_fn_ptr_t *vfp,
95 int forced_stop, // 0 - full, 1 - qtr only, 2 - half only
96 int iters_per_step,
97 int *mvjcost, int *mvcost[2],
98 int *distortion, unsigned int *sse1,
99 const uint8_t *second_pred,
100 int w, int h);
101 extern fractional_mv_step_comp_fp vp9_find_best_sub_pixel_comp_iterative;
102 extern fractional_mv_step_comp_fp vp9_find_best_sub_pixel_comp_tree;
104 typedef int (*vp9_full_search_fn_t)(MACROBLOCK *x,
105 int_mv *ref_mv, int sad_per_bit,
106 int distance, vp9_variance_fn_ptr_t *fn_ptr,
107 int *mvjcost, int *mvcost[2],
108 int_mv *center_mv, int n);
110 typedef int (*vp9_refining_search_fn_t)(MACROBLOCK *x,
111 int_mv *ref_mv, int sad_per_bit,
112 int distance,
113 vp9_variance_fn_ptr_t *fn_ptr,
114 int *mvjcost, int *mvcost[2],
115 int_mv *center_mv);
117 typedef int (*vp9_diamond_search_fn_t)(MACROBLOCK *x,
118 int_mv *ref_mv, int_mv *best_mv,
119 int search_param, int sad_per_bit,
120 int *num00,
121 vp9_variance_fn_ptr_t *fn_ptr,
122 int *mvjcost, int *mvcost[2],
123 int_mv *center_mv);
125 int vp9_refining_search_8p_c(MACROBLOCK *x,
126 int_mv *ref_mv, int error_per_bit,
127 int search_range, vp9_variance_fn_ptr_t *fn_ptr,
128 int *mvjcost, int *mvcost[2],
129 int_mv *center_mv, const uint8_t *second_pred,
130 int w, int h);
131 #endif // VP9_ENCODER_VP9_MCOMP_H_
