h264_levels.c File Reference

#include "libavutil/common.h"
#include "libavcodec/h264_levels.h"

Go to the source code of this file.

Macros
#define	CHECK(expected, format, ...)

Functions
int	main (void)

Variables
struct {
int   width
int   height
int   level_idc
}	test_sizes []
struct {
int   width
int   height
int   framerate
int   level_idc
}	test_framerate []
struct {
int   width
int   height
int   dpb_size
int   level_idc
}	test_dpb []
struct {
int64_t   bitrate
int   profile_idc
int   level_idc
}	test_bitrate []
struct {
const char *   name
int   profile_idc
int64_t   bitrate
int   width
int   height
int   dpb_frames
int   level_idc
}	test_all []

Macro Definition Documentation

CHECK

#define CHECK	(		expected,
			format,
			...
	)

Value:

        do { \
        if (expected ? (!level || level->level_idc != expected) \
                     : !!level) { \
            av_log(NULL, AV_LOG_ERROR, "Incorrect level for " \
                   format ": expected %d, got %d.\n", __VA_ARGS__, \
                   expected, level ? level->level_idc : -1); \
            return 1; \
        } \
    } while (0)

Function Documentation

main()

int main

(

void

)

Definition at line 176 of file h264_levels.c.

Variable Documentation

width

int width

Definition at line 23 of file h264_levels.c.

Referenced by ff_h264_guess_level(), and main().

height

int height

Definition at line 24 of file h264_levels.c.

Referenced by ff_h264_guess_level(), and main().

level_idc

int level_idc

Definition at line 25 of file h264_levels.c.

Referenced by ff_h264_decode_seq_parameter_set(), h264_metadata_update_sps(), h265_metadata_update_level(), main(), parse_profile_level_id(), ptl_convert(), sps(), and X264_init().

test_sizes

const { ... } test_sizes[]

Referenced by main().

framerate

int framerate

Definition at line 65 of file h264_levels.c.

Referenced by add_input_streams(), amf_encode_init_av1(), amf_encode_init_h264(), amf_encode_init_hevc(), configure_video_device(), cri_decode_frame(), dc1394_read_common(), dshow_get_format_info(), ff_guess_coded_bitrate(), ff_h264_guess_level(), ff_rfps_add_frame(), get_matching_parameters(), grab_read_header(), h264_metadata_update_sps(), main(), mf_encv_output_adjust(), microdvd_write_header(), nsv_parse_NSVs_header(), r3d_read_red1(), read_header(), vaapi_encode_h264_init_sequence_params(), and vp8_header().

test_framerate

const { ... } test_framerate[]

Referenced by main().

dpb_size

int dpb_size

Definition at line 107 of file h264_levels.c.

Referenced by ff_nvdec_frame_params(), main(), nvdec_h264_start_frame(), and nvdec_hevc_start_frame().

test_dpb

const { ... } test_dpb[]

Initial value:

= {
    
    
    {  176,  144,  4, 10 },
    {  176,  144,  8, 11 },
    {  176,  144, 16, 12 },
    { 1280,  720,  1, 31 },
    { 1280,  720,  5, 31 },
    { 1280,  720,  9, 40 },
    { 1280,  720, 10, 50 },
    { 1920, 1080,  1, 40 },
    { 1920, 1080,  5, 50 },
    { 1920, 1080, 13, 50 },
    { 1920, 1080, 14, 51 },
    { 3840, 2160,  5, 51 },
    { 3840, 2160,  6, 60 },
    { 3840, 2160, 16, 60 },
    { 7680, 4320,  5, 60 },
    { 7680, 4320,  6,  0 },
}

Referenced by main().

bitrate

int64_t bitrate

Definition at line 131 of file h264_levels.c.

Referenced by asf_read_ext_stream_properties(), av_find_best_stream(), avcodec_string(), avi_write_header(), calculate_bitrate(), determine_bitrate(), ff_get_wav_header(), ff_guess_coded_bitrate(), ff_h264_guess_level(), ff_h265_guess_level(), ff_mpa_l2_select_table(), get_audio_frame_duration(), get_wb_bitrate_mode(), ism_flush(), lame_calc_attack_threshold(), main(), MPA_encode_init(), mpeg_mux_init(), output_mpd(), print_report(), update_stream_timings(), and update_video_stats().

profile_idc

int profile_idc

Definition at line 132 of file h264_levels.c.

test_bitrate

const { ... } test_bitrate[]

Initial value:

= {
    
    {   2500000,  77, 21 },
    {   2500000, 100, 20 },
    {   2500000, 244, 13 },
    { 100000000,  77, 50 },
    { 100000000, 100, 50 },
    { 100000000, 244, 41 },
    { 999999999,  77,  0 },
    { 999999999, 100, 62 },
    
    {  32 * 1200,  66, 10 },
    {  32 * 1500, 100, 10 },
    {  96 * 1200,  66, 11 },
    {  96 * 1500, 100,  9 },
    { 144 * 1200,  66, 11 },
    { 144 * 1500, 100, 11 },
}

Referenced by main().

name

const char* name

Definition at line 154 of file h264_levels.c.

Referenced by main().

dpb_frames

int dpb_frames

Definition at line 159 of file h264_levels.c.

Referenced by h264_metadata_update_sps(), main(), and vaapi_encode_h264_init_slice_params().

test_all

const { ... } test_all[]

Initial value:

= {
    { "Bluray 1080p 40Mb/s", 100, 40000000, 1920, 1080, 4, 41 },
    { "Bluray 1080p 24Mb/s", 100, 24000000, 1920, 1080, 4, 40 },
    { "Bluray 720p 40Mb/s",  100, 40000000, 1280,  720, 6, 41 },
    { "Bluray 720p 24Mb/s",  100, 24000000, 1280,  720, 6, 40 },
    { "Bluray PAL 40Mb/s",   100, 40000000,  720,  576, 6, 41 },
    { "Bluray PAL 24Mb/s",   100, 24000000,  720,  576, 6, 32 },
    { "Bluray PAL 16Mb/s",   100, 16800000,  720,  576, 6, 31 },
    { "Bluray PAL 12Mb/s",   100, 12000000,  720,  576, 5, 30 },
    { "Bluray NTSC 40Mb/s",  100, 40000000,  720,  480, 6, 41 },
    { "Bluray NTSC 24Mb/s",  100, 24000000,  720,  480, 6, 32 },
    { "Bluray NTSC 16Mb/s",  100, 16800000,  720,  480, 6, 31 },
    { "Bluray NTSC 12Mb/s",  100, 12000000,  720,  480, 6, 30 },
}

Referenced by main().