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