| /* |
| * 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_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 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, int 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); |
| bitfn_decls(void dav1d_film_grain_dsp_init_x86, Dav1dFilmGrainDSPContext *c); |
| |
| #endif /* DAV1D_SRC_FILM_GRAIN_H */ |