FFmpeg
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multimedia converter based on the FFmpeg libraries More...
#include "config.h"
#include <ctype.h>
#include <string.h>
#include <math.h>
#include <stdlib.h>
#include <errno.h>
#include <limits.h>
#include <stdatomic.h>
#include <stdint.h>
#include "libavformat/avformat.h"
#include "libavdevice/avdevice.h"
#include "libswresample/swresample.h"
#include "libavutil/opt.h"
#include "libavutil/channel_layout.h"
#include "libavutil/parseutils.h"
#include "libavutil/samplefmt.h"
#include "libavutil/fifo.h"
#include "libavutil/hwcontext.h"
#include "libavutil/internal.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/dict.h"
#include "libavutil/display.h"
#include "libavutil/mathematics.h"
#include "libavutil/pixdesc.h"
#include "libavutil/avstring.h"
#include "libavutil/libm.h"
#include "libavutil/imgutils.h"
#include "libavutil/timestamp.h"
#include "libavutil/bprint.h"
#include "libavutil/time.h"
#include "libavutil/thread.h"
#include "libavutil/threadmessage.h"
#include "libavcodec/mathops.h"
#include "libavformat/os_support.h"
#include "libavfilter/avfilter.h"
#include "libavfilter/buffersrc.h"
#include "libavfilter/buffersink.h"
#include "ffmpeg.h"
#include "cmdutils.h"
#include "libavutil/avassert.h"
Go to the source code of this file.
Data Structures | |
struct | BenchmarkTimeStamps |
Macros | |
#define | SIGNAL(sig, func) signal(sig, func) |
multimedia converter based on the FFmpeg libraries
Definition in file ffmpeg.c.
Definition at line 404 of file ffmpeg.c.
Referenced by term_init().
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Definition at line 1440 of file ffmpeg.c.
Referenced by do_video_out(), and flush_encoders().
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Definition at line 4886 of file ffmpeg.c.
Referenced by main(), and update_benchmark().
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Definition at line 4912 of file ffmpeg.c.
Referenced by ffmpeg_cleanup().
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Definition at line 2165 of file ffmpeg.c.
Referenced by flush_encoders(), ifilter_send_frame(), and transcode_step().
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Definition at line 177 of file ffmpeg.c.
Referenced by sub2video_update().
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Definition at line 192 of file ffmpeg.c.
Referenced by sub2video_update().
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Definition at line 223 of file ffmpeg.c.
Referenced by sub2video_heartbeat(), and 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().
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Definition at line 281 of file ffmpeg.c.
Referenced by process_input().
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Definition at line 313 of file ffmpeg.c.
Referenced by transcode_subtitles().
Definition at line 329 of file ffmpeg.c.
Referenced by sigterm_handler(), and term_exit().
Definition at line 337 of file ffmpeg.c.
Referenced by assert_file_overwrite(), ffmpeg_cleanup(), and transcode().
Definition at line 351 of file ffmpeg.c.
Referenced by term_init().
Definition at line 408 of file ffmpeg.c.
Referenced by assert_file_overwrite(), and ffmpeg_parse_options().
Definition at line 457 of file ffmpeg.c.
Referenced by check_keyboard_interaction().
void remove_avoptions | ( | AVDictionary ** | a, |
AVDictionary * | b | ||
) |
Definition at line 673 of file ffmpeg.c.
Referenced by open_input_file().
void assert_avoptions | ( | AVDictionary * | m | ) |
Definition at line 682 of file ffmpeg.c.
Referenced by init_input_stream(), init_output_stream(), and open_input_file().
Definition at line 691 of file ffmpeg.c.
Referenced by init_input_stream(), and init_output_stream().
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Definition at line 696 of file ffmpeg.c.
Referenced by decode_audio(), decode_video(), do_audio_out(), do_video_out(), and flush_encoders().
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Definition at line 717 of file ffmpeg.c.
Referenced by write_packet().
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Definition at line 726 of file ffmpeg.c.
Referenced by avio_alloc_context(), check_init_output_file(), ffio_init_context(), mmf_read_packet(), ogg_free(), output_packet(), and swf_deinit().
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Definition at line 869 of file ffmpeg.c.
Referenced by check_recording_time(), do_streamcopy(), need_output(), and transcode_from_filter().
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Definition at line 891 of file ffmpeg.c.
Referenced by do_audio_out(), do_streamcopy(), do_subtitle_out(), do_video_out(), encode_audio_frame(), and flush_encoders().
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Definition at line 917 of file ffmpeg.c.
Referenced by do_audio_out(), do_subtitle_out(), and do_video_out().
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Definition at line 930 of file ffmpeg.c.
Referenced by do_audio_out(), and do_video_out().
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Definition at line 3515 of file ffmpeg.c.
Referenced by adjust_frame_pts_to_encoder_tb(), and init_output_stream_wrapper().
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Definition at line 977 of file ffmpeg.c.
Referenced by do_video_out(), flush_encoders(), reap_filters(), transcode_init(), and transcode_step().
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Definition at line 998 of file ffmpeg.c.
Referenced by reap_filters().
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Definition at line 1060 of file ffmpeg.c.
Referenced by transcode_subtitles().
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Definition at line 1143 of file ffmpeg.c.
Referenced by reap_filters().
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Definition at line 1435 of file ffmpeg.c.
Referenced by do_video_stats(), main(), print_report(), and run_psnr().
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Definition at line 1483 of file ffmpeg.c.
Referenced by flush_encoders(), and process_input().
Get and encode new output from any of the filtergraphs, without causing activity.
Definition at line 1502 of file ffmpeg.c.
Referenced by ifilter_send_frame(), transcode_from_filter(), and transcode_step().
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Definition at line 1582 of file ffmpeg.c.
Referenced by print_report().
Definition at line 1699 of file ffmpeg.c.
Referenced by transcode().
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Definition at line 1909 of file ffmpeg.c.
Referenced by flush_encoders(), and ifilter_send_eof().
Definition at line 1922 of file ffmpeg.c.
Referenced by transcode().
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Definition at line 2032 of file ffmpeg.c.
Referenced by process_input_packet(), and transcode_subtitles().
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Definition at line 2049 of file ffmpeg.c.
Referenced by process_input_packet().
int guess_input_channel_layout | ( | InputStream * | ist | ) |
Definition at line 2126 of file ffmpeg.c.
Referenced by add_input_streams().
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Definition at line 2146 of file ffmpeg.c.
Referenced by decode_audio(), decode_video(), and transcode_subtitles().
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Definition at line 2176 of file ffmpeg.c.
Referenced by send_frame_to_filters().
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Definition at line 2253 of file ffmpeg.c.
Referenced by send_filter_eof().
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Definition at line 2280 of file ffmpeg.c.
Referenced by decode_audio(), and decode_video().
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Definition at line 2303 of file ffmpeg.c.
Referenced by decode_audio(), and decode_video().
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Definition at line 2329 of file ffmpeg.c.
Referenced by process_input_packet().
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Definition at line 2391 of file ffmpeg.c.
Referenced by process_input_packet().
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Definition at line 2524 of file ffmpeg.c.
Referenced by process_input_packet().
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Definition at line 2601 of file ffmpeg.c.
Referenced by process_input_packet().
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Definition at line 2617 of file ffmpeg.c.
Referenced by process_input(), and transcode().
Definition at line 2799 of file ffmpeg.c.
Referenced by check_init_output_file().
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Definition at line 2844 of file ffmpeg.c.
Referenced by init_input_stream().
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Definition at line 2930 of file ffmpeg.c.
Referenced by init_input_stream().
Definition at line 2940 of file ffmpeg.c.
Referenced by transcode_init().
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Definition at line 3007 of file ffmpeg.c.
Referenced by init_encoder_time_base(), init_output_stream(), init_output_stream_encode(), and init_output_stream_streamcopy().
Definition at line 3014 of file ffmpeg.c.
Referenced by parse_forced_key_frames().
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Definition at line 3020 of file ffmpeg.c.
Referenced by init_output_stream(), and transcode_init().
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Definition at line 3068 of file ffmpeg.c.
Referenced by init_output_stream().
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Definition at line 3097 of file ffmpeg.c.
Referenced by init_output_stream().
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Definition at line 3211 of file ffmpeg.c.
Referenced by init_output_stream_encode().
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Definition at line 3252 of file ffmpeg.c.
Referenced by init_output_stream_encode().
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Definition at line 3315 of file ffmpeg.c.
Referenced by init_output_stream_encode().
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Definition at line 3339 of file ffmpeg.c.
Referenced by init_output_stream().
Definition at line 3698 of file ffmpeg.c.
Referenced by process_input().
Definition at line 3713 of file ffmpeg.c.
Referenced by transcode().
Definition at line 3895 of file ffmpeg.c.
Referenced by mf_negotiate_types(), and transcode().
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Select the output stream to process.
Definition at line 3925 of file ffmpeg.c.
Referenced by transcode_step().
Definition at line 3952 of file ffmpeg.c.
Referenced by check_keyboard_interaction().
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Definition at line 3964 of file ffmpeg.c.
Referenced by transcode().
Definition at line 4194 of file ffmpeg.c.
Referenced by process_input().
Definition at line 4214 of file ffmpeg.c.
Referenced by movie_request_frame(), and transcode_step().
Definition at line 4223 of file ffmpeg.c.
Referenced by process_input(), and transcode_step().
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Definition at line 4233 of file ffmpeg.c.
Referenced by seek_to_start().
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Definition at line 4252 of file ffmpeg.c.
Referenced by process_input().
Definition at line 4318 of file ffmpeg.c.
Referenced by transcode_step().
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Perform a step of transcoding for the specified filter graph.
[in] | graph | filter graph to consider |
[out] | best_ist | input stream where a frame would allow to continue |
Definition at line 4606 of file ffmpeg.c.
Referenced by transcode_step().
Run a single step of transcoding.
Definition at line 4652 of file ffmpeg.c.
Referenced by transcode().
const char program_name[] = "ffmpeg" |
program name, defined by the program for show_version().
Definition at line 109 of file ffmpeg.c.
Referenced by main().
const int program_birth_year = 2000 |
program birth year, defined by the program for show_banner()
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Definition at line 112 of file ffmpeg.c.
Referenced by do_video_stats(), and ffmpeg_cleanup().
const char* const forced_keyframes_const_names[] |
Definition at line 114 of file ffmpeg.c.
Referenced by init_output_stream_encode().
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Definition at line 134 of file ffmpeg.c.
Referenced by check_keyboard_interaction(), main(), and term_init().
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Definition at line 135 of file ffmpeg.c.
Referenced by do_video_out(), and print_report().
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Definition at line 136 of file ffmpeg.c.
Referenced by do_video_out().
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Definition at line 137 of file ffmpeg.c.
Referenced by do_video_out(), and print_report().
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Definition at line 138 of file ffmpeg.c.
Referenced by check_decode_result(), and main().
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Definition at line 139 of file ffmpeg.c.
Referenced by check_init_output_file(), and print_report().
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Definition at line 141 of file ffmpeg.c.
Referenced by check_init_output_file(), and main().
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AVIOContext* progress_avio = NULL |
Definition at line 144 of file ffmpeg.c.
Referenced by opt_progress().
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Definition at line 146 of file ffmpeg.c.
Referenced by do_subtitle_out(), and ffmpeg_cleanup().
InputStream** input_streams = NULL |
Definition at line 148 of file ffmpeg.c.
Referenced by add_input_streams(), init_input_filter(), new_audio_stream(), new_output_stream(), open_input_file(), open_output_file(), opt_map(), and opt_map_channel().
int nb_input_streams = 0 |
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().
Definition at line 150 of file ffmpeg.c.
Referenced by assert_file_overwrite(), configure_input_audio_filter(), configure_input_video_filter(), init_input_filter(), open_input_file(), open_output_file(), opt_map(), opt_map_channel(), opt_target(), and sub2video_prepare().
int nb_input_files = 0 |
Definition at line 151 of file ffmpeg.c.
Referenced by add_input_streams(), assert_file_overwrite(), check_keyboard_interaction(), 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().
OutputStream** output_streams = NULL |
Definition at line 153 of file ffmpeg.c.
Referenced by new_output_stream(), and open_output_file().
int nb_output_streams = 0 |
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().
OutputFile** output_files = NULL |
Definition at line 155 of file ffmpeg.c.
Referenced by configure_output_audio_filter(), configure_output_video_filter(), and open_output_file().
int nb_output_files = 0 |
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().
FilterGraph** filtergraphs |
Definition at line 158 of file ffmpeg.c.
Referenced by check_filter_outputs(), DEF_CHOOSE_FORMAT(), init_complex_filters(), open_output_file(), opt_filter_complex(), and opt_filter_complex_script().
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().
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Definition at line 343 of file ffmpeg.c.
Referenced by ffmpeg_cleanup(), sigterm_handler(), and transcode().
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Definition at line 344 of file ffmpeg.c.
Referenced by check_keyboard_interaction(), decode_interrupt_cb(), main(), and sigterm_handler().
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Definition at line 345 of file ffmpeg.c.
Referenced by decode_interrupt_cb(), ffmpeg_cleanup(), and transcode_init().
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Definition at line 346 of file ffmpeg.c.
Referenced by ffmpeg_cleanup(), and sigterm_handler().
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Definition at line 347 of file ffmpeg.c.
Referenced by main(), and write_packet().
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Definition at line 348 of file ffmpeg.c.
Referenced by print_report().
const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL } |
Definition at line 513 of file ffmpeg.c.
Referenced by check_init_output_file(), dump_attachment(), ffio_wfourcc(), get_preset_file_2(), open_input_file(), open_output_file(), opt_progress(), and url_alloc_for_protocol().