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/*
* Copyright © 2018-2021, 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_FILM_GRAIN_H
#define DAV1D_SRC_FILM_GRAIN_H
#include "common/bitdepth.h"
#include "src/levels.h"
#define GRAIN_WIDTH 82
#define GRAIN_HEIGHT 73
#define FG_BLOCK_SIZE 32
#if !defined(BITDEPTH) || BITDEPTH == 8
#define SCALING_SIZE 256
typedef int8_t entry;
#else
#define SCALING_SIZE 4096
typedef int16_t entry;
#endif
#define decl_generate_grain_y_fn(name) \
void (name)(entry buf[][GRAIN_WIDTH], \
const Dav1dFilmGrainData *const data HIGHBD_DECL_SUFFIX)
typedef decl_generate_grain_y_fn(*generate_grain_y_fn);
#define decl_generate_grain_uv_fn(name) \
void (name)(entry buf[][GRAIN_WIDTH], \
const entry buf_y[][GRAIN_WIDTH], \
const Dav1dFilmGrainData *const data, const intptr_t uv HIGHBD_DECL_SUFFIX)
typedef decl_generate_grain_uv_fn(*generate_grain_uv_fn);
#define decl_fgy_32x32xn_fn(name) \
void (name)(pixel *dst_row, const pixel *src_row, ptrdiff_t stride, \
const Dav1dFilmGrainData *data, \
size_t pw, const uint8_t scaling[SCALING_SIZE], \
const entry grain_lut[][GRAIN_WIDTH], \
int bh, int row_num HIGHBD_DECL_SUFFIX)
typedef decl_fgy_32x32xn_fn(*fgy_32x32xn_fn);
#define decl_fguv_32x32xn_fn(name) \
void (name)(pixel *dst_row, const pixel *src_row, ptrdiff_t stride, \
const Dav1dFilmGrainData *data, size_t pw, \
const uint8_t scaling[SCALING_SIZE], \
const entry grain_lut[][GRAIN_WIDTH], int bh, int row_num, \
const pixel *luma_row, ptrdiff_t luma_stride, \
int uv_pl, int is_id HIGHBD_DECL_SUFFIX)
typedef decl_fguv_32x32xn_fn(*fguv_32x32xn_fn);
typedef struct Dav1dFilmGrainDSPContext {
generate_grain_y_fn generate_grain_y;
generate_grain_uv_fn generate_grain_uv[3];
fgy_32x32xn_fn fgy_32x32xn;
fguv_32x32xn_fn fguv_32x32xn[3];
} Dav1dFilmGrainDSPContext;
bitfn_decls(void dav1d_film_grain_dsp_init, Dav1dFilmGrainDSPContext *c);
#endif /* DAV1D_SRC_FILM_GRAIN_H */
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