The Tor Browser: media/libvpx/vp9/common/vp9

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  */

    11 #ifndef VP9_COMMON_VP9_ENTROPYMODE_H_

    12 #define VP9_COMMON_VP9_ENTROPYMODE_H_

    14 #include "vp9/common/vp9_blockd.h"

    15 #include "vp9/common/vp9_treecoder.h"

    17 #define TX_SIZE_CONTEXTS 2

    18 #define SWITCHABLE_FILTERS 3   // number of switchable filters

    19 #define SWITCHABLE_FILTER_CONTEXTS (SWITCHABLE_FILTERS + 1)

    21 // #define MODE_STATS

    23 struct VP9Common;

    25 struct tx_probs {

    26   vp9_prob p32x32[TX_SIZE_CONTEXTS][TX_SIZES - 1];

    27   vp9_prob p16x16[TX_SIZE_CONTEXTS][TX_SIZES - 2];

    28   vp9_prob p8x8[TX_SIZE_CONTEXTS][TX_SIZES - 3];

    29 };

    31 struct tx_counts {

    32   unsigned int p32x32[TX_SIZE_CONTEXTS][TX_SIZES];

    33   unsigned int p16x16[TX_SIZE_CONTEXTS][TX_SIZES - 1];

    34   unsigned int p8x8[TX_SIZE_CONTEXTS][TX_SIZES - 2];

    35 };

    37 extern const vp9_prob vp9_kf_uv_mode_prob[INTRA_MODES][INTRA_MODES - 1];

    38 extern const vp9_prob vp9_kf_y_mode_prob[INTRA_MODES][INTRA_MODES]

    39                                         [INTRA_MODES - 1];

    41 extern const vp9_prob vp9_kf_partition_probs[PARTITION_CONTEXTS]

    42                                             [PARTITION_TYPES - 1];

    44 extern const vp9_tree_index vp9_intra_mode_tree[TREE_SIZE(INTRA_MODES)];

    45 extern struct vp9_token vp9_intra_mode_encodings[INTRA_MODES];

    47 extern const vp9_tree_index vp9_inter_mode_tree[TREE_SIZE(INTER_MODES)];

    48 extern struct vp9_token vp9_inter_mode_encodings[INTER_MODES];

    50 extern const vp9_tree_index vp9_partition_tree[TREE_SIZE(PARTITION_TYPES)];

    51 extern struct vp9_token vp9_partition_encodings[PARTITION_TYPES];

    53 extern const vp9_tree_index vp9_switchable_interp_tree

    54                                 [TREE_SIZE(SWITCHABLE_FILTERS)];

    55 extern struct vp9_token vp9_switchable_interp_encodings[SWITCHABLE_FILTERS];

    57 void vp9_entropy_mode_init();

    59 void vp9_setup_past_independence(struct VP9Common *cm);

    61 void vp9_init_mbmode_probs(struct VP9Common *cm);

    63 void vp9_adapt_mode_probs(struct VP9Common *cm);

    65 void tx_counts_to_branch_counts_32x32(const unsigned int *tx_count_32x32p,

    66                                       unsigned int (*ct_32x32p)[2]);

    67 void tx_counts_to_branch_counts_16x16(const unsigned int *tx_count_16x16p,

    68                                       unsigned int (*ct_16x16p)[2]);

    69 void tx_counts_to_branch_counts_8x8(const unsigned int *tx_count_8x8p,

    70                                     unsigned int (*ct_8x8p)[2]);

    72 #endif  // VP9_COMMON_VP9_ENTROPYMODE_H_

The Tor Browser / file revision

media/libvpx/vp9/common/vp9_entropymode.h@ac0c01689b40

media/libvpx/vp9/common/vp9_entropymode.h