ffmpeg/libavcodec/av1_levels.h

59 lines
1.8 KiB
C

/*
* Copyright (c) 2023 Intel Corporation
*
* 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
*/
#ifndef AVCODEC_AV1_LEVELS_H
#define AVCODEC_AV1_LEVELS_H
#include <stdint.h>
typedef struct AV1LevelDescriptor {
char name[4];
uint8_t level_idx;
uint32_t max_pic_size;
uint32_t max_h_size;
uint32_t max_v_size;
uint64_t max_display_rate;
uint64_t max_decode_rate;
uint32_t max_header_rate;
float main_mbps;
float high_mbps;
uint32_t main_cr;
uint32_t high_cr;
uint32_t max_tiles;
uint32_t max_tile_cols;
} AV1LevelDescriptor;
/**
* Guess the level of a stream from some parameters.
*
* Unknown parameters may be zero, in which case they will be ignored.
*/
const AV1LevelDescriptor *ff_av1_guess_level(int64_t bitrate,
int tier,
int width,
int height,
int tile_rows,
int tile_cols,
float fps);
#endif /* AVCODEC_AV1_LEVELS_H */