83 lines
3.7 KiB
C
83 lines
3.7 KiB
C
/*
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* Copyright © 2018-2021, VideoLAN and dav1d authors
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* Copyright © 2018, Two Orioles, LLC
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef DAV1D_SRC_LF_MASK_H
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#define DAV1D_SRC_LF_MASK_H
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#include <stddef.h>
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#include <stdint.h>
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#include "src/levels.h"
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typedef struct Av1FilterLUT {
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ALIGN(uint8_t e[64], 16);
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ALIGN(uint8_t i[64], 16);
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ALIGN(uint64_t sharp[2], 16);
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} Av1FilterLUT;
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typedef struct Av1RestorationUnit {
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/* SGR: type = DAV1D_RESTORATION_SGRPROJ + sgr_idx */
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uint8_t /* enum Dav1dRestorationType */ type;
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int8_t filter_h[3];
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int8_t filter_v[3];
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int8_t sgr_weights[2];
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} Av1RestorationUnit;
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// each struct describes one 128x128 area (1 or 4 SBs), pre-superres-scaling
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typedef struct Av1Filter {
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// each bit is 1 col
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uint16_t filter_y[2 /* 0=col, 1=row */][32][3][2];
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uint16_t filter_uv[2 /* 0=col, 1=row */][32][2][2];
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int8_t cdef_idx[4]; // -1 means "unset"
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uint16_t noskip_mask[16][2]; // for 8x8 blocks, but stored on a 4x8 basis
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} Av1Filter;
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// each struct describes one 128x128 area (1 or 4 SBs), post-superres-scaling
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typedef struct Av1Restoration {
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Av1RestorationUnit lr[3][4];
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} Av1Restoration;
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void dav1d_create_lf_mask_intra(Av1Filter *lflvl, uint8_t (*level_cache)[4],
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const ptrdiff_t b4_stride,
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const uint8_t (*level)[8][2], int bx, int by,
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int iw, int ih, enum BlockSize bs,
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enum RectTxfmSize ytx, enum RectTxfmSize uvtx,
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enum Dav1dPixelLayout layout, uint8_t *ay,
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uint8_t *ly, uint8_t *auv, uint8_t *luv);
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void dav1d_create_lf_mask_inter(Av1Filter *lflvl, uint8_t (*level_cache)[4],
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const ptrdiff_t b4_stride,
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const uint8_t (*level)[8][2], int bx, int by,
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int iw, int ih, int skip_inter,
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enum BlockSize bs, enum RectTxfmSize max_ytx,
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const uint16_t *tx_mask, enum RectTxfmSize uvtx,
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enum Dav1dPixelLayout layout, uint8_t *ay,
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uint8_t *ly, uint8_t *auv, uint8_t *luv);
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void dav1d_calc_eih(Av1FilterLUT *lim_lut, int filter_sharpness);
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void dav1d_calc_lf_values(uint8_t (*values)[4][8][2], const Dav1dFrameHeader *hdr,
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const int8_t lf_delta[4]);
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#endif /* DAV1D_SRC_LF_MASK_H */
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