| /* |
| * AOM film grain synthesis |
| * Copyright (c) 2021 Niklas Haas <ffmpeg@haasn.xyz> |
| * |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| /** |
| * @file |
| * AOM film grain synthesis. |
| * @author Niklas Haas <ffmpeg@haasn.xyz> |
| */ |
| |
| #ifndef AVCODEC_AOM_FILM_GRAIN_H |
| #define AVCODEC_AOM_FILM_GRAIN_H |
| |
| #include "libavutil/film_grain_params.h" |
| |
| typedef struct AVFilmGrainAFGS1Params { |
| int enable; |
| AVFilmGrainParams sets[8]; |
| } AVFilmGrainAFGS1Params; |
| |
| // Synthesizes film grain on top of `in` and stores the result to `out`. `out` |
| // must already have been allocated and set to the same size and format as `in`. |
| int ff_aom_apply_film_grain(AVFrame *out, const AVFrame *in, |
| const AVFilmGrainParams *params); |
| |
| // Parse AFGS1 parameter sets from an ITU-T T.35 payload. Returns 0 on success, |
| // or a negative error code. |
| int ff_aom_parse_film_grain_sets(AVFilmGrainAFGS1Params *s, |
| const uint8_t *payload, int payload_size); |
| |
| // Attach all valid film grain param sets to `frame`. |
| int ff_aom_attach_film_grain_sets(const AVFilmGrainAFGS1Params *s, AVFrame *frame); |
| |
| #endif /* AVCODEC_AOM_FILM_GRAIN_H */ |