aac5773f
 hucm
功能基本完成，接口待打磨
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/*
* 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_H264_LEVELS_H
#define AVCODEC_H264_LEVELS_H
#include <stdint.h>
typedef struct H264LevelDescriptor {
const char *name;
uint8_t level_idc;
uint8_t constraint_set3_flag;
uint32_t max_mbps;
uint32_t max_fs;
uint32_t max_dpb_mbs;
uint32_t max_br;
uint32_t max_cpb;
uint16_t max_v_mv_r;
uint8_t min_cr;
uint8_t max_mvs_per_2mb;
} H264LevelDescriptor;
const H264LevelDescriptor *ff_h264_get_level(int level_idc,
int constraint_set3_flag);
/**
* Guess the level of a stream from some parameters.
*
* Unknown parameters may be zero, in which case they are ignored.
*/
const H264LevelDescriptor *ff_h264_guess_level(int profile_idc,
int64_t bitrate,
int framerate,
int width, int height,
int max_dec_frame_buffering);
#endif /* AVCODEC_H264_LEVELS_H */
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