tor-browser

The Tor Browser
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tables.h (4647B)


      1 /*
      2 * Copyright © 2018-2021, VideoLAN and dav1d authors
      3 * Copyright © 2018, Two Orioles, LLC
      4 * All rights reserved.
      5 *
      6 * Redistribution and use in source and binary forms, with or without
      7 * modification, are permitted provided that the following conditions are met:
      8 *
      9 * 1. Redistributions of source code must retain the above copyright notice, this
     10 *    list of conditions and the following disclaimer.
     11 *
     12 * 2. Redistributions in binary form must reproduce the above copyright notice,
     13 *    this list of conditions and the following disclaimer in the documentation
     14 *    and/or other materials provided with the distribution.
     15 *
     16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
     17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     19 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
     20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26 */
     27 
     28 #ifndef DAV1D_SRC_TABLES_H
     29 #define DAV1D_SRC_TABLES_H
     30 
     31 #include <stdint.h>
     32 
     33 #include "common/intops.h"
     34 
     35 #include "src/levels.h"
     36 
     37 EXTERN const uint8_t dav1d_al_part_ctx[2][N_BL_LEVELS][N_PARTITIONS];
     38 EXTERN const uint8_t /* enum BlockSize */
     39                     dav1d_block_sizes[N_BL_LEVELS][N_PARTITIONS][2];
     40 // width, height (in 4px blocks), log2 versions of these two
     41 EXTERN const uint8_t dav1d_block_dimensions[N_BS_SIZES][4];
     42 typedef struct TxfmInfo {
     43    // width, height (in 4px blocks), log2 of them, min/max of log2, sub, pad
     44    uint8_t w, h, lw, lh, min, max, sub, ctx;
     45 } TxfmInfo;
     46 EXTERN const TxfmInfo dav1d_txfm_dimensions[N_RECT_TX_SIZES];
     47 EXTERN const uint8_t /* enum (Rect)TxfmSize */
     48                     dav1d_max_txfm_size_for_bs[N_BS_SIZES][4 /* y, 420, 422, 444 */];
     49 EXTERN const uint8_t /* enum TxfmType */
     50                     dav1d_txtp_from_uvmode[N_UV_INTRA_PRED_MODES];
     51 
     52 EXTERN const uint8_t /* enum InterPredMode */
     53                     dav1d_comp_inter_pred_modes[N_COMP_INTER_PRED_MODES][2];
     54 
     55 EXTERN const uint8_t dav1d_partition_type_count[N_BL_LEVELS];
     56 EXTERN const uint8_t /* enum TxfmType */ dav1d_tx_types_per_set[40];
     57 
     58 EXTERN const uint8_t dav1d_filter_mode_to_y_mode[5];
     59 EXTERN const uint8_t dav1d_ymode_size_context[N_BS_SIZES];
     60 EXTERN const uint8_t dav1d_lo_ctx_offsets[3][5][5];
     61 EXTERN const uint8_t dav1d_skip_ctx[5][5];
     62 EXTERN const uint8_t /* enum TxClass */
     63                     dav1d_tx_type_class[N_TX_TYPES_PLUS_LL];
     64 EXTERN const uint8_t /* enum Filter2d */
     65                     dav1d_filter_2d[DAV1D_N_FILTERS /* h */][DAV1D_N_FILTERS /* v */];
     66 EXTERN const uint8_t /* enum Dav1dFilterMode */ dav1d_filter_dir[N_2D_FILTERS][2];
     67 EXTERN const uint8_t dav1d_intra_mode_context[N_INTRA_PRED_MODES];
     68 EXTERN const uint8_t dav1d_wedge_ctx_lut[N_BS_SIZES];
     69 
     70 static const unsigned cfl_allowed_mask =
     71    (1 << BS_32x32) |
     72    (1 << BS_32x16) |
     73    (1 << BS_32x8) |
     74    (1 << BS_16x32) |
     75    (1 << BS_16x16) |
     76    (1 << BS_16x8) |
     77    (1 << BS_16x4) |
     78    (1 << BS_8x32) |
     79    (1 << BS_8x16) |
     80    (1 << BS_8x8) |
     81    (1 << BS_8x4) |
     82    (1 << BS_4x16) |
     83    (1 << BS_4x8) |
     84    (1 << BS_4x4);
     85 
     86 static const unsigned wedge_allowed_mask =
     87    (1 << BS_32x32) |
     88    (1 << BS_32x16) |
     89    (1 << BS_32x8) |
     90    (1 << BS_16x32) |
     91    (1 << BS_16x16) |
     92    (1 << BS_16x8) |
     93    (1 << BS_8x32) |
     94    (1 << BS_8x16) |
     95    (1 << BS_8x8);
     96 
     97 static const unsigned interintra_allowed_mask =
     98    (1 << BS_32x32) |
     99    (1 << BS_32x16) |
    100    (1 << BS_16x32) |
    101    (1 << BS_16x16) |
    102    (1 << BS_16x8) |
    103    (1 << BS_8x16) |
    104    (1 << BS_8x8);
    105 
    106 EXTERN const Dav1dWarpedMotionParams dav1d_default_wm_params;
    107 
    108 EXTERN const int8_t dav1d_cdef_directions[12][2];
    109 
    110 EXTERN const uint16_t dav1d_sgr_params[16][2];
    111 EXTERN const uint8_t dav1d_sgr_x_by_x[256];
    112 
    113 EXTERN const int8_t dav1d_mc_subpel_filters[6][15][8];
    114 EXTERN const int8_t dav1d_mc_warp_filter[193][8];
    115 EXTERN const int8_t dav1d_resize_filter[64][8];
    116 
    117 EXTERN const uint8_t dav1d_sm_weights[128];
    118 EXTERN const uint16_t dav1d_dr_intra_derivative[44];
    119 EXTERN const int8_t dav1d_filter_intra_taps[5][64];
    120 
    121 EXTERN const uint8_t dav1d_obmc_masks[64];
    122 
    123 EXTERN const int16_t dav1d_gaussian_sequence[2048]; // for fgs
    124 
    125 #endif /* DAV1D_SRC_TABLES_H */