filmgrain.h (3409B)
1 /* 2 * Copyright © 2018-2021, VideoLAN and dav1d authors 3 * Copyright © 2018, Two Orioles, LLC 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright notice, this 10 * list of conditions and the following disclaimer. 11 * 12 * 2. Redistributions in binary form must reproduce the above copyright notice, 13 * this list of conditions and the following disclaimer in the documentation 14 * and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 19 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR 20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #ifndef DAV1D_SRC_FILM_GRAIN_H 29 #define DAV1D_SRC_FILM_GRAIN_H 30 31 #include "common/bitdepth.h" 32 33 #include "src/levels.h" 34 35 #define GRAIN_WIDTH 82 36 #define GRAIN_HEIGHT 73 37 #define FG_BLOCK_SIZE 32 38 #if !defined(BITDEPTH) || BITDEPTH == 8 39 #define SCALING_SIZE 256 40 typedef int8_t entry; 41 #else 42 #define SCALING_SIZE 4096 43 typedef int16_t entry; 44 #endif 45 46 #define decl_generate_grain_y_fn(name) \ 47 void (name)(entry buf[][GRAIN_WIDTH], \ 48 const Dav1dFilmGrainData *const data HIGHBD_DECL_SUFFIX) 49 typedef decl_generate_grain_y_fn(*generate_grain_y_fn); 50 51 #define decl_generate_grain_uv_fn(name) \ 52 void (name)(entry buf[][GRAIN_WIDTH], \ 53 const entry buf_y[][GRAIN_WIDTH], \ 54 const Dav1dFilmGrainData *const data, const intptr_t uv HIGHBD_DECL_SUFFIX) 55 typedef decl_generate_grain_uv_fn(*generate_grain_uv_fn); 56 57 #define decl_fgy_32x32xn_fn(name) \ 58 void (name)(pixel *dst_row, const pixel *src_row, ptrdiff_t stride, \ 59 const Dav1dFilmGrainData *data, \ 60 size_t pw, const uint8_t scaling[SCALING_SIZE], \ 61 const entry grain_lut[][GRAIN_WIDTH], \ 62 int bh, int row_num HIGHBD_DECL_SUFFIX) 63 typedef decl_fgy_32x32xn_fn(*fgy_32x32xn_fn); 64 65 #define decl_fguv_32x32xn_fn(name) \ 66 void (name)(pixel *dst_row, const pixel *src_row, ptrdiff_t stride, \ 67 const Dav1dFilmGrainData *data, size_t pw, \ 68 const uint8_t scaling[SCALING_SIZE], \ 69 const entry grain_lut[][GRAIN_WIDTH], int bh, int row_num, \ 70 const pixel *luma_row, ptrdiff_t luma_stride, \ 71 int uv_pl, int is_id HIGHBD_DECL_SUFFIX) 72 typedef decl_fguv_32x32xn_fn(*fguv_32x32xn_fn); 73 74 typedef struct Dav1dFilmGrainDSPContext { 75 generate_grain_y_fn generate_grain_y; 76 generate_grain_uv_fn generate_grain_uv[3]; 77 78 fgy_32x32xn_fn fgy_32x32xn; 79 fguv_32x32xn_fn fguv_32x32xn[3]; 80 } Dav1dFilmGrainDSPContext; 81 82 bitfn_decls(void dav1d_film_grain_dsp_init, Dav1dFilmGrainDSPContext *c); 83 84 #endif /* DAV1D_SRC_FILM_GRAIN_H */