FFmpeg: fftools/ffmpeg.h File Reference

FFmpeg

fftools

Data Structures | Macros | Enumerations | Functions | Variables

ffmpeg.h File Reference

#include "config.h"
#include <stdint.h>
#include <stdio.h>
#include <signal.h>
#include "cmdutils.h"
#include "libavformat/avformat.h"
#include "libavformat/avio.h"
#include "libavcodec/avcodec.h"
#include "libavfilter/avfilter.h"
#include "libavutil/avutil.h"
#include "libavutil/dict.h"
#include "libavutil/eval.h"
#include "libavutil/fifo.h"
#include "libavutil/hwcontext.h"
#include "libavutil/pixfmt.h"
#include "libavutil/rational.h"
#include "libavutil/thread.h"
#include "libavutil/threadmessage.h"
#include "libswresample/swresample.h"

Go to the source code of this file.

Data Structures

struct HWAccel

struct HWDevice

struct StreamMap

struct AudioChannelMap

struct OptionsContext

struct InputFilter

struct OutputFilter

struct FilterGraph

struct InputStream

struct InputStream::sub2video

struct InputFile

struct OutputStream

struct OutputFile

Macros

#define VSYNC_AUTO -1

#define VSYNC_PASSTHROUGH 0

#define VSYNC_CFR 1

#define VSYNC_VFR 2

#define VSYNC_VSCFR 0xfe

#define VSYNC_DROP 0xff

#define MAX_STREAMS 1024 /* arbitrary sanity check value */

#define DECODING_FOR_OST 1

#define DECODING_FOR_FILTER 2

#define ABORT_ON_FLAG_EMPTY_OUTPUT (1 << 0)

#define ABORT_ON_FLAG_EMPTY_OUTPUT_STREAM (1 << 1)

Enumerations

enum HWAccelID {
HWACCEL_NONE = 0, HWACCEL_AUTO, HWACCEL_GENERIC, HWACCEL_VIDEOTOOLBOX,
HWACCEL_QSV
}

enum forced_keyframes_const {
FKF_N, FKF_N_FORCED, FKF_PREV_FORCED_N, FKF_PREV_FORCED_T,
FKF_T, FKF_NB
}

enum OSTFinished { ENCODER_FINISHED = 1, MUXER_FINISHED = 2 }

Functions

void term_init (void)

void term_exit (void)

void show_usage (void)

void remove_avoptions (AVDictionary **a, AVDictionary *b)

void assert_avoptions (AVDictionary *m)

int guess_input_channel_layout (InputStream *ist)

int configure_filtergraph (FilterGraph *fg)

void check_filter_outputs (void)

int filtergraph_is_simple (FilterGraph *fg)

int init_simple_filtergraph (InputStream *ist, OutputStream *ost)

int init_complex_filtergraph (FilterGraph *fg)

void sub2video_update (InputStream *ist, int64_t heartbeat_pts, AVSubtitle *sub)

int ifilter_parameters_from_frame (InputFilter *ifilter, const AVFrame *frame)

int ffmpeg_parse_options (int argc, char **argv)

int videotoolbox_init (AVCodecContext *s)

int qsv_init (AVCodecContext *s)

HWDevice * hw_device_get_by_name (const char *name)

int hw_device_init_from_string (const char *arg, HWDevice **dev)

void hw_device_free_all (void)

int hw_device_setup_for_decode (InputStream *ist)

int hw_device_setup_for_encode (OutputStream *ost)

int hw_device_setup_for_filter (FilterGraph *fg)

int hwaccel_decode_init (AVCodecContext *avctx)

Variables

const char *const forced_keyframes_const_names []

InputStream ** input_streams

int nb_input_streams

InputFile ** input_files

int nb_input_files

OutputStream ** output_streams

int nb_output_streams

OutputFile ** output_files

int nb_output_files

FilterGraph ** filtergraphs

int nb_filtergraphs

char * vstats_filename

char * sdp_filename

float audio_drift_threshold

float dts_delta_threshold

float dts_error_threshold

int audio_volume

int audio_sync_method

int video_sync_method

float frame_drop_threshold

int do_benchmark

int do_benchmark_all

int do_deinterlace

int do_hex_dump

int do_pkt_dump

int start_at_zero

int exit_on_error

int abort_on_flags

int print_stats

int64_t stats_period

int stdin_interaction

int frame_bits_per_raw_sample

AVIOContext * progress_avio

float max_error_rate

char * videotoolbox_pixfmt

int filter_nbthreads

int filter_complex_nbthreads

int vstats_version

int auto_conversion_filters

const AVIOInterruptCB int_cb

const OptionDef options []

const HWAccel hwaccels []

HWDevice * filter_hw_device

Macro Definition Documentation

◆ VSYNC_AUTO

#define VSYNC_AUTO -1

Definition at line 49 of file ffmpeg.h.

◆ VSYNC_PASSTHROUGH

#define VSYNC_PASSTHROUGH 0

Definition at line 50 of file ffmpeg.h.

◆ VSYNC_CFR

#define VSYNC_CFR 1

Definition at line 51 of file ffmpeg.h.

◆ VSYNC_VFR

#define VSYNC_VFR 2

Definition at line 52 of file ffmpeg.h.

◆ VSYNC_VSCFR

#define VSYNC_VSCFR 0xfe

Definition at line 53 of file ffmpeg.h.

◆ VSYNC_DROP

#define VSYNC_DROP 0xff

Definition at line 54 of file ffmpeg.h.

◆ MAX_STREAMS

#define MAX_STREAMS 1024 /* arbitrary sanity check value */

Definition at line 56 of file ffmpeg.h.

◆ DECODING_FOR_OST

#define DECODING_FOR_OST 1

Definition at line 306 of file ffmpeg.h.

◆ DECODING_FOR_FILTER

#define DECODING_FOR_FILTER 2

Definition at line 307 of file ffmpeg.h.

◆ ABORT_ON_FLAG_EMPTY_OUTPUT

#define ABORT_ON_FLAG_EMPTY_OUTPUT (1 << 0)

Definition at line 442 of file ffmpeg.h.

◆ ABORT_ON_FLAG_EMPTY_OUTPUT_STREAM

#define ABORT_ON_FLAG_EMPTY_OUTPUT_STREAM (1 << 1)

Definition at line 443 of file ffmpeg.h.

Enumeration Type Documentation

◆ HWAccelID

Enumerator
HWACCEL_NONE
HWACCEL_AUTO
HWACCEL_GENERIC
HWACCEL_VIDEOTOOLBOX
HWACCEL_QSV

Definition at line 58 of file ffmpeg.h.

◆ forced_keyframes_const

enum forced_keyframes_const

Enumerator
FKF_N
FKF_N_FORCED
FKF_PREV_FORCED_N
FKF_PREV_FORCED_T
FKF_T
FKF_NB

Definition at line 433 of file ffmpeg.h.

◆ OSTFinished

enum OSTFinished

Enumerator
ENCODER_FINISHED
MUXER_FINISHED

Definition at line 447 of file ffmpeg.h.

Function Documentation

◆ term_init()

void term_init ( void )

Definition at line 408 of file ffmpeg.c.

Referenced by assert_file_overwrite().

◆ term_exit()

void term_exit ( void )

Definition at line 337 of file ffmpeg.c.

Referenced by assert_file_overwrite(), ffmpeg_cleanup(), and transcode().

◆ show_usage()

void show_usage ( void )

Definition at line 3300 of file ffmpeg_opt.c.

Referenced by main(), and show_help_default().

◆ remove_avoptions()

void remove_avoptions ( AVDictionary ** a,

AVDictionary * b

)

Definition at line 676 of file ffmpeg.c.

Referenced by open_input_file().

◆ assert_avoptions()

void assert_avoptions ( AVDictionary * m )

Definition at line 685 of file ffmpeg.c.

Referenced by init_input_stream(), init_output_stream(), and open_input_file().

◆ guess_input_channel_layout()

int guess_input_channel_layout ( InputStream * ist )

Definition at line 2127 of file ffmpeg.c.

Referenced by add_input_streams().

◆ configure_filtergraph()

int configure_filtergraph ( FilterGraph * fg )

Definition at line 983 of file ffmpeg_filter.c.

Referenced by flush_encoders(), ifilter_send_frame(), and transcode_step().

◆ check_filter_outputs()

void check_filter_outputs ( void )

Definition at line 663 of file ffmpeg_filter.c.

◆ filtergraph_is_simple()

int filtergraph_is_simple ( FilterGraph * fg )

Definition at line 1180 of file ffmpeg_filter.c.

Referenced by configure_filtergraph(), and transcode_init().

◆ init_simple_filtergraph()

int init_simple_filtergraph ( InputStream * ist,

OutputStream * ost

)

Referenced by open_output_file().

◆ init_complex_filtergraph()

int init_complex_filtergraph ( FilterGraph * fg )

Definition at line 319 of file ffmpeg_filter.c.

Referenced by init_complex_filters().

◆ sub2video_update()

void sub2video_update ( InputStream * ist,

int64_t heartbeat_pts,

AVSubtitle * sub

)

Definition at line 241 of file ffmpeg.c.

Referenced by configure_filtergraph(), sub2video_flush(), sub2video_heartbeat(), and transcode_subtitles().

◆ ifilter_parameters_from_frame()

int ifilter_parameters_from_frame ( InputFilter * ifilter,

const AVFrame * frame

)

Definition at line 1157 of file ffmpeg_filter.c.

Referenced by ifilter_send_frame().

◆ ffmpeg_parse_options()

int ffmpeg_parse_options ( int argc,

char ** argv

)

Referenced by main().

◆ videotoolbox_init()

int videotoolbox_init ( AVCodecContext * s )

Definition at line 121 of file ffmpeg_videotoolbox.c.

◆ qsv_init()

int qsv_init ( AVCodecContext * s )

Definition at line 72 of file ffmpeg_qsv.c.

◆ hw_device_get_by_name()

HWDevice* hw_device_get_by_name ( const char * name )

Definition at line 44 of file ffmpeg_hw.c.

Referenced by hw_device_default_name(), hw_device_init_from_string(), hw_device_setup_for_decode(), and opt_filter_hw_device().

◆ hw_device_init_from_string()

int hw_device_init_from_string ( const char * arg,

HWDevice ** dev

)

Definition at line 94 of file ffmpeg_hw.c.

Referenced by opt_init_hw_device().

◆ hw_device_free_all()

void hw_device_free_all ( void )

Definition at line 274 of file ffmpeg_hw.c.

Referenced by transcode().

◆ hw_device_setup_for_decode()

int hw_device_setup_for_decode ( InputStream * ist )

Definition at line 303 of file ffmpeg_hw.c.

Referenced by init_input_stream().

◆ hw_device_setup_for_encode()

int hw_device_setup_for_encode ( OutputStream * ost )

Definition at line 419 of file ffmpeg_hw.c.

Referenced by init_output_stream().

◆ hw_device_setup_for_filter()

int hw_device_setup_for_filter ( FilterGraph * fg )

Definition at line 525 of file ffmpeg_hw.c.

Referenced by configure_filtergraph().

◆ hwaccel_decode_init()

int hwaccel_decode_init ( AVCodecContext * avctx )

Definition at line 516 of file ffmpeg_hw.c.

Referenced by get_format().

Variable Documentation

◆ forced_keyframes_const_names

const char* const forced_keyframes_const_names[]

Definition at line 114 of file ffmpeg.c.

Referenced by init_output_stream_encode().

◆ input_streams

InputStream** input_streams

Definition at line 148 of file ffmpeg.c.

Referenced by add_input_streams(), check_keyboard_interaction(), do_video_out(), ffmpeg_cleanup(), get_input_packet(), get_input_stream(), init_input_filter(), init_input_stream(), init_output_stream_encode(), new_audio_stream(), new_output_stream(), open_input_file(), open_output_file(), opt_map(), opt_map_channel(), print_final_stats(), process_input(), seek_to_start(), sub2video_heartbeat(), transcode(), transcode_init(), and transcode_step().

◆ nb_input_streams

int nb_input_streams

Definition at line 149 of file ffmpeg.c.

Referenced by add_input_streams(), check_keyboard_interaction(), ffmpeg_cleanup(), init_input_filter(), open_input_file(), open_output_file(), transcode(), and transcode_init().

◆ input_files

InputFile** input_files

Definition at line 150 of file ffmpeg.c.

Referenced by assert_file_overwrite(), check_decode_result(), check_output_constraints(), configure_input_audio_filter(), configure_input_video_filter(), do_streamcopy(), do_video_out(), ffmpeg_cleanup(), init_input_filter(), open_input_file(), open_output_file(), opt_map(), opt_map_channel(), opt_target(), print_final_stats(), process_input(), report_new_stream(), reset_eagain(), sub2video_heartbeat(), sub2video_prepare(), transcode(), transcode_from_filter(), transcode_init(), and transcode_step().

◆ nb_input_files

int nb_input_files

Definition at line 151 of file ffmpeg.c.

Referenced by add_input_streams(), assert_file_overwrite(), dump_attachment(), ffmpeg_cleanup(), init_input_filter(), main(), open_input_file(), open_output_file(), opt_map(), opt_map_channel(), opt_target(), print_final_stats(), reset_eagain(), and transcode_init().

◆ output_streams

OutputStream** output_streams

Definition at line 153 of file ffmpeg.c.

Referenced by check_init_output_file(), check_keyboard_interaction(), choose_output(), close_all_output_streams(), ffmpeg_cleanup(), finish_output_stream(), flush_encoders(), got_eagain(), need_output(), new_output_stream(), open_output_file(), print_final_stats(), print_report(), process_input(), process_input_packet(), reap_filters(), reset_eagain(), transcode(), transcode_init(), and transcode_subtitles().

◆ nb_output_streams

int nb_output_streams

Definition at line 154 of file ffmpeg.c.

Referenced by check_keyboard_interaction(), choose_output(), close_all_output_streams(), ffmpeg_cleanup(), flush_encoders(), got_eagain(), need_output(), new_output_stream(), open_output_file(), print_final_stats(), print_report(), process_input(), process_input_packet(), reap_filters(), reset_eagain(), transcode(), transcode_init(), and transcode_subtitles().

◆ output_files

OutputFile** output_files

Definition at line 155 of file ffmpeg.c.

Referenced by check_output_constraints(), check_recording_time(), close_output_stream(), configure_output_audio_filter(), configure_output_video_filter(), do_streamcopy(), do_subtitle_out(), ffmpeg_cleanup(), finish_output_stream(), flush_encoders(), init_encoder_time_base(), init_output_stream(), init_output_stream_encode(), init_output_stream_streamcopy(), main(), need_output(), open_output_file(), parse_forced_key_frames(), print_final_stats(), print_report(), print_sdp(), reap_filters(), transcode(), transcode_init(), and transcode_subtitles().

◆ nb_output_files

int nb_output_files

Definition at line 156 of file ffmpeg.c.

Referenced by ffmpeg_cleanup(), get_ost_filters(), main(), new_output_stream(), open_output_file(), print_final_stats(), print_report(), print_sdp(), transcode(), and transcode_init().

◆ filtergraphs

FilterGraph** filtergraphs

Definition at line 158 of file ffmpeg.c.

Referenced by check_filter_outputs(), check_keyboard_interaction(), DEF_CHOOSE_FORMAT(), do_video_out(), ffmpeg_cleanup(), init_complex_filters(), open_output_file(), opt_filter_complex(), opt_filter_complex_script(), and transcode_init().

◆ nb_filtergraphs

int nb_filtergraphs

Definition at line 159 of file ffmpeg.c.

Referenced by check_filter_outputs(), check_keyboard_interaction(), DEF_CHOOSE_FORMAT(), do_video_out(), ffmpeg_cleanup(), init_complex_filters(), open_output_file(), opt_filter_complex(), opt_filter_complex_script(), and transcode_init().

◆ vstats_filename

char* vstats_filename

Definition at line 147 of file ffmpeg_opt.c.

Referenced by do_video_out(), do_video_stats(), ffmpeg_cleanup(), flush_encoders(), and opt_vstats_file().

◆ sdp_filename

char* sdp_filename

Definition at line 148 of file ffmpeg_opt.c.

Referenced by check_init_output_file(), opt_sdp_file(), and print_sdp().

◆ audio_drift_threshold

float audio_drift_threshold

Definition at line 150 of file ffmpeg_opt.c.

Referenced by configure_input_audio_filter().

◆ dts_delta_threshold

float dts_delta_threshold

Definition at line 151 of file ffmpeg_opt.c.

Referenced by process_input().

◆ dts_error_threshold

float dts_error_threshold

Definition at line 152 of file ffmpeg_opt.c.

Referenced by do_video_out(), and process_input().

◆ audio_volume

int audio_volume

Definition at line 154 of file ffmpeg_opt.c.

Referenced by configure_input_audio_filter(), and init_output_stream_streamcopy().

◆ audio_sync_method

int audio_sync_method

Definition at line 155 of file ffmpeg_opt.c.

Referenced by configure_input_audio_filter(), do_audio_out(), and write_packet().

◆ video_sync_method

int video_sync_method

Definition at line 156 of file ffmpeg_opt.c.

Referenced by do_video_out(), init_output_stream_encode(), new_video_stream(), opt_vsync(), and write_packet().

◆ frame_drop_threshold

float frame_drop_threshold

Definition at line 157 of file ffmpeg_opt.c.

Referenced by do_video_out().

◆ do_benchmark

int do_benchmark

Definition at line 159 of file ffmpeg_opt.c.

Referenced by ffmpeg_cleanup(), and main().

◆ do_benchmark_all

int do_benchmark_all

Definition at line 160 of file ffmpeg_opt.c.

Referenced by update_benchmark().

◆ do_deinterlace

int do_deinterlace

Definition at line 158 of file ffmpeg_opt.c.

Referenced by configure_input_video_filter().

◆ do_hex_dump

int do_hex_dump

Definition at line 161 of file ffmpeg_opt.c.

Referenced by check_keyboard_interaction(), and process_input().

◆ do_pkt_dump

int do_pkt_dump

Definition at line 162 of file ffmpeg_opt.c.

Referenced by check_keyboard_interaction(), and process_input().

◆ copy_ts

int copy_ts

Definition at line 163 of file ffmpeg_opt.c.

Referenced by configure_input_audio_filter(), configure_input_video_filter(), do_streamcopy(), do_video_out(), open_input_file(), print_report(), and process_input().

◆ start_at_zero

int start_at_zero

Definition at line 164 of file ffmpeg_opt.c.

Referenced by configure_input_audio_filter(), configure_input_video_filter(), and open_input_file().

◆ copy_tb

int copy_tb

Definition at line 165 of file ffmpeg_opt.c.

Referenced by avformat_transfer_internal_stream_timing_info(), and init_output_stream_streamcopy().

◆ debug_ts

int debug_ts

Definition at line 166 of file ffmpeg_opt.c.

Referenced by adjust_frame_pts_to_encoder_tb(), decode_video(), do_audio_out(), do_video_out(), process_input(), and write_packet().

◆ exit_on_error

int exit_on_error

Definition at line 167 of file ffmpeg_opt.c.

Referenced by check_decode_result(), do_subtitle_out(), output_packet(), process_input(), process_input_packet(), transcode(), and write_packet().

◆ abort_on_flags

int abort_on_flags

Definition at line 168 of file ffmpeg_opt.c.

Referenced by opt_abort_on(), and transcode().

◆ print_stats

int print_stats

Definition at line 169 of file ffmpeg_opt.c.

Referenced by print_report().

◆ stats_period

int64_t stats_period

Definition at line 178 of file ffmpeg_opt.c.

Referenced by opt_stats_period(), and print_report().

◆ qp_hist

int qp_hist

Definition at line 170 of file ffmpeg_opt.c.

Referenced by check_keyboard_interaction(), and print_report().

◆ stdin_interaction

int stdin_interaction

Definition at line 171 of file ffmpeg_opt.c.

Referenced by assert_file_overwrite(), open_input_file(), term_init(), and transcode().

◆ frame_bits_per_raw_sample

int frame_bits_per_raw_sample

Definition at line 172 of file ffmpeg_opt.c.

Referenced by init_output_stream_encode(), and new_video_stream().

◆ progress_avio

AVIOContext* progress_avio

Definition at line 144 of file ffmpeg.c.

Referenced by print_report().

◆ max_error_rate

float max_error_rate

Definition at line 173 of file ffmpeg_opt.c.

Referenced by main().

◆ videotoolbox_pixfmt

char* videotoolbox_pixfmt

Definition at line 34 of file ffmpeg_videotoolbox.c.

Referenced by videotoolbox_init(), and videotoolbox_retrieve_data().

◆ filter_nbthreads

int filter_nbthreads

Definition at line 174 of file ffmpeg_opt.c.

Referenced by configure_filtergraph().

◆ filter_complex_nbthreads

int filter_complex_nbthreads

Definition at line 175 of file ffmpeg_opt.c.

Referenced by configure_filtergraph().

◆ vstats_version

int vstats_version

Definition at line 176 of file ffmpeg_opt.c.

Referenced by do_video_stats().

◆ auto_conversion_filters

int auto_conversion_filters

Definition at line 177 of file ffmpeg_opt.c.

Referenced by configure_filtergraph().

◆ int_cb

const AVIOInterruptCB int_cb

Definition at line 513 of file ffmpeg.c.

Referenced by avio_open2(), check_init_output_file(), dump_attachment(), ff_network_sleep_interruptible(), ff_network_wait_fd_timeout(), ffio_open_whitelist(), ffurl_alloc(), ffurl_open_whitelist(), get_preset_file_2(), libsrt_network_wait_fd_timeout(), open_input_file(), open_output_file(), print_sdp(), url_alloc_for_protocol(), and zmq_proto_wait_timeout().

◆ options

const OptionDef options[]

Examples: http_multiclient.c.

Referenced by av_bsf_list_append2(), av_hwdevice_ctx_create_derived_opts(), av_opt_set_dict(), av_opt_set_dict2(), avcodec_open2(), avfilter_init_dict(), avfilter_init_str(), avformat_find_stream_info(), avformat_init_output(), avformat_open_input(), avformat_write_header(), avio_open2(), bsf_list_append_internal(), ff_dnn_load_model_native(), ff_dnn_load_model_ov(), ff_dnn_load_model_tf(), ff_format_output_open(), ff_frame_thread_encoder_init(), ff_opus_psy_init(), ff_tee_parse_slave_options(), ff_tls_open_underlying(), ffio_open_whitelist(), glslang_compile(), hw_device_init_from_string(), init(), init_input(), init_muxer(), io_open_default(), list_devices_for_context(), locate_option(), main(), open_url_keepalive(), opt_audio_codec(), opt_audio_filters(), opt_audio_frames(), opt_audio_qscale(), opt_channel_layout(), opt_data_codec(), opt_data_frames(), opt_old2new(), opt_qscale(), opt_recording_timestamp(), opt_subtitle_codec(), opt_target(), opt_timecode(), opt_video_codec(), opt_video_filters(), opt_video_frames(), parse_loglevel(), parse_option(), parse_options(), pcm_read_header(), pp_get_mode_by_name_and_quality(), process_options(), set_string_dict(), show_banner(), show_help_default(), show_help_options(), split_commandline(), subfile_open(), tee_open(), try_decode_frame(), uninit_options(), wrap(), and write_packet().

◆ hwaccels

const HWAccel hwaccels[]

Definition at line 136 of file ffmpeg_opt.c.

Referenced by add_input_streams(), and get_format().

◆ filter_hw_device

HWDevice* filter_hw_device

Definition at line 145 of file ffmpeg_opt.c.

Referenced by hw_device_setup_for_filter(), and opt_filter_hw_device().

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