av1_levels.c File Reference

#include <stddef.h>
#include "libavutil/macros.h"
#include "av1_levels.h"

Go to the source code of this file.

Functions
const AV1LevelDescriptor *	ff_av1_guess_level (int64_t bitrate, int tier, int width, int height, int tiles, int tile_cols, float fps)
	Guess the level of a stream from some parameters. More...

Variables
static const AV1LevelDescriptor	av1_levels []
	ignore entries which named in spec but no details. More...

Function Documentation

ff_av1_guess_level()

const AV1LevelDescriptor* ff_av1_guess_level	(	int64_t	bitrate,
		int	tier,
		int	width,
		int	height,
		int	tile_rows,
		int	tile_cols,
		float	fps
	)

Guess the level of a stream from some parameters.

Unknown parameters may be zero, in which case they will be ignored.

Definition at line 48 of file av1_levels.c.

Referenced by main(), and vaapi_encode_av1_init_sequence_params().

Variable Documentation

av1_levels

const AV1LevelDescriptor av1_levels[]

static

Initial value:

= {
    
    
    
    
    
    { "2.0",  0,   147456,  2048, 1152,   4423680,     5529600, 150,   1.5,     0, 2, 0,   8,  4 },
    { "2.1",  1,   278784,  2816, 1584,   8363520,    10454400, 150,   3.0,     0, 2, 0,   8,  4 },
    { "3.0",  4,   665856,  4352, 2448,  19975680,    24969600, 150,   6.0,     0, 2, 0,  16,  6 },
    { "3.1",  5,  1065024,  5504, 3096,  31950720,    39938400, 150,  10.0,     0, 2, 0,  16,  6 },
    { "4.0",  8,  2359296,  6144, 3456,  70778880,    77856768, 300,  12.0,  30.0, 4, 4,  32,  8 },
    { "4.1",  9,  2359296,  6144, 3456,  141557760,  155713536, 300,  20.0,  50.0, 4, 4,  32,  8 },
    { "5.0", 12,  8912896,  8192, 4352,  267386880,  273715200, 300,  30.0, 100.0, 6, 4,  64,  8 },
    { "5.1", 13,  8912896,  8192, 4352,  534773760,  547430400, 300,  40.0, 160.0, 8, 4,  64,  8 },
    { "5.2", 14,  8912896,  8192, 4352, 1069547520, 1094860800, 300,  60.0, 240.0, 8, 4,  64,  8 },
    { "5.3", 15,  8912896,  8192, 4352, 1069547520, 1176502272, 300,  60.0, 240.0, 8, 4,  64,  8 },
    { "6.0", 16, 35651584, 16384, 8704, 1069547520, 1176502272, 300,  60.0, 240.0, 8, 4, 128, 16 },
    { "6.1", 17, 35651584, 16384, 8704, 2139095040, 2189721600, 300, 100.0, 480.0, 8, 4, 128, 16 },
    { "6.2", 18, 35651584, 16384, 8704, 4278190080, 4379443200, 300, 160.0, 800.0, 8, 4, 128, 16 },
    { "6.3", 19, 35651584, 16384, 8704, 4278190080, 4706009088, 300, 160.0, 800.0, 8, 4, 128, 16 },
}

ignore entries which named in spec but no details.

Like level 2.2 and 7.0.

Definition at line 26 of file av1_levels.c.

Referenced by ff_av1_guess_level().