84 lines
3.3 KiB
C
84 lines
3.3 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_FILM_GRAIN_H
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#define DAV1D_SRC_FILM_GRAIN_H
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#include "common/bitdepth.h"
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#include "src/levels.h"
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#define GRAIN_WIDTH 82
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#define GRAIN_HEIGHT 73
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#define BLOCK_SIZE 32
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#if !defined(BITDEPTH) || BITDEPTH == 8
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#define SCALING_SIZE 256
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typedef int8_t entry;
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#else
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#define SCALING_SIZE 4096
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typedef int16_t entry;
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#endif
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#define decl_generate_grain_y_fn(name) \
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void (name)(entry buf[][GRAIN_WIDTH], \
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const Dav1dFilmGrainData *const data HIGHBD_DECL_SUFFIX)
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typedef decl_generate_grain_y_fn(*generate_grain_y_fn);
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#define decl_generate_grain_uv_fn(name) \
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void (name)(entry buf[][GRAIN_WIDTH], \
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const entry buf_y[][GRAIN_WIDTH], \
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const Dav1dFilmGrainData *const data, const intptr_t uv HIGHBD_DECL_SUFFIX)
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typedef decl_generate_grain_uv_fn(*generate_grain_uv_fn);
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#define decl_fgy_32x32xn_fn(name) \
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void (name)(pixel *dst_row, const pixel *src_row, ptrdiff_t stride, \
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const Dav1dFilmGrainData *data, \
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size_t pw, const uint8_t scaling[SCALING_SIZE], \
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const entry grain_lut[][GRAIN_WIDTH], \
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int bh, int row_num HIGHBD_DECL_SUFFIX)
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typedef decl_fgy_32x32xn_fn(*fgy_32x32xn_fn);
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#define decl_fguv_32x32xn_fn(name) \
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void (name)(pixel *dst_row, const pixel *src_row, ptrdiff_t stride, \
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const Dav1dFilmGrainData *data, size_t pw, \
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const uint8_t scaling[SCALING_SIZE], \
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const entry grain_lut[][GRAIN_WIDTH], int bh, int row_num, \
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const pixel *luma_row, ptrdiff_t luma_stride, \
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int uv_pl, int is_id HIGHBD_DECL_SUFFIX)
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typedef decl_fguv_32x32xn_fn(*fguv_32x32xn_fn);
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typedef struct Dav1dFilmGrainDSPContext {
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generate_grain_y_fn generate_grain_y;
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generate_grain_uv_fn generate_grain_uv[3];
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fgy_32x32xn_fn fgy_32x32xn;
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fguv_32x32xn_fn fguv_32x32xn[3];
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} Dav1dFilmGrainDSPContext;
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bitfn_decls(void dav1d_film_grain_dsp_init, Dav1dFilmGrainDSPContext *c);
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#endif /* DAV1D_SRC_FILM_GRAIN_H */
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