FFmpeg
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#include "frame.h"
Go to the source code of this file.
Data Structures | |
struct | AVFilmGrainAOMParams |
This structure describes how to handle film grain synthesis for AOM codecs. More... | |
struct | AVFilmGrainH274Params |
This structure describes how to handle film grain synthesis for codecs using the ITU-T H.274 Versatile suplemental enhancement information message. More... | |
struct | AVFilmGrainParams |
This structure describes how to handle film grain synthesis in video for specific codecs. More... | |
Enumerations | |
enum | AVFilmGrainParamsType { AV_FILM_GRAIN_PARAMS_NONE = 0, AV_FILM_GRAIN_PARAMS_AV1, AV_FILM_GRAIN_PARAMS_H274 } |
Functions | |
AVFilmGrainParams * | av_film_grain_params_alloc (size_t *size) |
Allocate an AVFilmGrainParams structure and set its fields to default values. More... | |
AVFilmGrainParams * | av_film_grain_params_create_side_data (AVFrame *frame) |
Allocate a complete AVFilmGrainParams and add it to the frame. More... | |
const AVFilmGrainParams * | av_film_grain_params_select (const AVFrame *frame) |
Select the most appropriate film grain parameters set for the frame, taking into account the frame's format, resolution and video signal characteristics. More... | |
Enumerator | |
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AV_FILM_GRAIN_PARAMS_NONE | |
AV_FILM_GRAIN_PARAMS_AV1 | The union is valid when interpreted as AVFilmGrainAOMParams (codec.aom) |
AV_FILM_GRAIN_PARAMS_H274 | The union is valid when interpreted as AVFilmGrainH274Params (codec.h274) |
Definition at line 24 of file film_grain_params.h.
AVFilmGrainParams* av_film_grain_params_alloc | ( | size_t * | size | ) |
Allocate an AVFilmGrainParams structure and set its fields to default values.
The resulting struct can be freed using av_freep(). If size is not NULL it will be set to the number of bytes allocated.
Allocate an AVFilmGrainParams structure and set its fields to default values.
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
Definition at line 23 of file film_grain_params.c.
AVFilmGrainParams* av_film_grain_params_create_side_data | ( | AVFrame * | frame | ) |
Allocate a complete AVFilmGrainParams and add it to the frame.
frame | The frame which side data is added to. |
Definition at line 33 of file film_grain_params.c.
Referenced by export_film_grain(), ff_aom_attach_film_grain_sets(), ff_h2645_sei_to_frame(), and libdav1d_receive_frame().
const AVFilmGrainParams* av_film_grain_params_select | ( | const AVFrame * | frame | ) |
Select the most appropriate film grain parameters set for the frame, taking into account the frame's format, resolution and video signal characteristics.
Definition at line 53 of file film_grain_params.c.
Referenced by hevc_frame_end(), and hevc_frame_start().