/* * Copyright © 2018, VideoLAN and dav1d authors * Copyright © 2018, Two Orioles, LLC * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this *    list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, *    this list of conditions and the following disclaimer in the documentation *    and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef DAV1D_SRC_LF_MASK_H#define DAV1D_SRC_LF_MASK_H #include <stddef.h>#include <stdint.h> #include "src/levels.h" typedef struct Av1FilterLUT {    uint8_t e[64];    uint8_t i[64];    uint64_t sharp[2];} Av1FilterLUT; typedef struct Av1RestorationUnit {    enum Dav1dRestorationType type;    int8_t filter_h[3];    int8_t filter_v[3];    uint8_t sgr_idx;    int16_t sgr_weights[2];} Av1RestorationUnit; // each struct describes one 128x128 area (1 or 4 SBs), pre-superres-scalingtypedef struct Av1Filter {    // each bit is 1 col    uint16_t filter_y[2 /* 0=col, 1=row */][32][3][2];    uint16_t filter_uv[2 /* 0=col, 1=row */][32][2][2];    int8_t cdef_idx[4]; // -1 means "unset"    uint16_t noskip_mask[32][2];} Av1Filter; // each struct describes one 128x128 area (1 or 4 SBs), post-superres-scalingtypedef struct Av1Restoration {    Av1RestorationUnit lr[3][4];} Av1Restoration; void dav1d_create_lf_mask_intra(Av1Filter *lflvl, uint8_t (*level_cache)[4],                                const ptrdiff_t b4_stride,                                const uint8_t (*level)[8][2], int bx, int by,                                int iw, int ih, enum BlockSize bs,                                enum RectTxfmSize ytx, enum RectTxfmSize uvtx,                                enum Dav1dPixelLayout layout, uint8_t *ay,                                uint8_t *ly, uint8_t *auv, uint8_t *luv);void dav1d_create_lf_mask_inter(Av1Filter *lflvl, uint8_t (*level_cache)[4],                                const ptrdiff_t b4_stride,                                const uint8_t (*level)[8][2], int bx, int by,                                int iw, int ih, int skip_inter,                                enum BlockSize bs, enum RectTxfmSize max_ytx,                                const uint16_t *tx_mask, enum RectTxfmSize uvtx,                                enum Dav1dPixelLayout layout, uint8_t *ay,                                uint8_t *ly, uint8_t *auv, uint8_t *luv);void dav1d_calc_eih(Av1FilterLUT *lim_lut, int filter_sharpness);void dav1d_calc_lf_values(uint8_t (*values)[4][8][2], const Dav1dFrameHeader *hdr,                          const int8_t lf_delta[4]); #endif /* DAV1D_SRC_LF_MASK_H */