The Tor Browser: media/libvpx/vp8/encoder/mcomp.h@ac0c01689b40

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_MCOMP_H

    13 #define __INC_MCOMP_H

    15 #include "block.h"

    16 #include "vp8/common/variance.h"

    18 #ifdef VP8_ENTROPY_STATS

    19 extern void init_mv_ref_counts();

    20 extern void accum_mv_refs(MB_PREDICTION_MODE, const int near_mv_ref_cts[4]);

    21 #endif

    24 /* The maximum number of steps in a step search given the largest allowed

    25  * initial step

    26  */

    27 #define MAX_MVSEARCH_STEPS 8

    29 /* Max full pel mv specified in 1 pel units */

    30 #define MAX_FULL_PEL_VAL ((1 << (MAX_MVSEARCH_STEPS)) - 1)

    32 /* Maximum size of the first step in full pel units */

    33 #define MAX_FIRST_STEP (1 << (MAX_MVSEARCH_STEPS-1))

    35 extern void print_mode_context(void);

    36 extern int vp8_mv_bit_cost(int_mv *mv, int_mv *ref, int *mvcost[2], int Weight);

    37 extern void vp8_init_dsmotion_compensation(MACROBLOCK *x, int stride);

    38 extern void vp8_init3smotion_compensation(MACROBLOCK *x,  int stride);

    41 extern int vp8_hex_search

    42 (

    43     MACROBLOCK *x,

    44     BLOCK *b,

    45     BLOCKD *d,

    46     int_mv *ref_mv,

    47     int_mv *best_mv,

    48     int search_param,

    49     int error_per_bit,

    50     const vp8_variance_fn_ptr_t *vf,

    51     int *mvsadcost[2],

    52     int *mvcost[2],

    53     int_mv *center_mv

    54 );

    56 typedef int (fractional_mv_step_fp)

    57     (MACROBLOCK *x, BLOCK *b, BLOCKD *d, int_mv *bestmv, int_mv *ref_mv,

    58      int error_per_bit, const vp8_variance_fn_ptr_t *vfp, int *mvcost[2],

    59      int *distortion, unsigned int *sse);

    61 extern fractional_mv_step_fp vp8_find_best_sub_pixel_step_iteratively;

    62 extern fractional_mv_step_fp vp8_find_best_sub_pixel_step;

    63 extern fractional_mv_step_fp vp8_find_best_half_pixel_step;

    64 extern fractional_mv_step_fp vp8_skip_fractional_mv_step;

    66 typedef int (*vp8_full_search_fn_t)

    67     (

    68      MACROBLOCK *x,

    69      BLOCK *b,

    70      BLOCKD *d,

    71      int_mv *ref_mv,

    72      int sad_per_bit,

    73      int distance,

    74      vp8_variance_fn_ptr_t *fn_ptr,

    75      int *mvcost[2],

    76      int_mv *center_mv

    77     );

    79 typedef int (*vp8_refining_search_fn_t)

    80     (

    81      MACROBLOCK *x,

    82      BLOCK *b,

    83      BLOCKD *d,

    84      int_mv *ref_mv,

    85      int sad_per_bit,

    86      int distance,

    87      vp8_variance_fn_ptr_t *fn_ptr,

    88      int *mvcost[2],

    89      int_mv *center_mv

    90     );

    92 typedef int (*vp8_diamond_search_fn_t)

    93     (

    94      MACROBLOCK *x,

    95      BLOCK *b,

    96      BLOCKD *d,

    97      int_mv *ref_mv,

    98      int_mv *best_mv,

    99      int search_param,

   100      int sad_per_bit,

   101      int *num00,

   102      vp8_variance_fn_ptr_t *fn_ptr,

   103      int *mvcost[2],

   104      int_mv *center_mv

   105     );

   107 #endif

The Tor Browser / file revision

media/libvpx/vp8/encoder/mcomp.h@ac0c01689b40

media/libvpx/vp8/encoder/mcomp.h