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Diffstat (limited to '')
-rw-r--r-- | third_party/dav1d/src/filmgrain.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/third_party/dav1d/src/filmgrain.h b/third_party/dav1d/src/filmgrain.h new file mode 100644 index 0000000000..1509bb67e1 --- /dev/null +++ b/third_party/dav1d/src/filmgrain.h @@ -0,0 +1,84 @@ +/* + * 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 */ |