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 <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/internal.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/dict.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/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.
multimedia converter based on the FFmpeg libraries
Definition in file ffmpeg.c.
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Definition at line 1321 of file ffmpeg.c.
Referenced by do_video_out(), and flush_encoders().
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Definition at line 4492 of file ffmpeg.c.
Referenced by main(), and update_benchmark().
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Definition at line 4510 of file ffmpeg.c.
Referenced by ffmpeg_cleanup().
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Definition at line 168 of file ffmpeg.c.
Referenced by sub2video_update().
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Definition at line 183 of file ffmpeg.c.
Referenced by sub2video_update().
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Definition at line 214 of file ffmpeg.c.
Referenced by sub2video_heartbeat(), and sub2video_update().
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Definition at line 227 of file ffmpeg.c.
Referenced by sub2video_flush(), sub2video_heartbeat(), and transcode_subtitles().
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Definition at line 261 of file ffmpeg.c.
Referenced by process_input().
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Definition at line 290 of file ffmpeg.c.
Referenced by transcode_subtitles().
Definition at line 302 of file ffmpeg.c.
Referenced by sigterm_handler(), and term_exit().
Definition at line 310 of file ffmpeg.c.
Referenced by assert_file_overwrite(), ffmpeg_cleanup(), and transcode().
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Definition at line 323 of file ffmpeg.c.
Referenced by term_init().
Definition at line 368 of file ffmpeg.c.
Referenced by assert_file_overwrite(), and ffmpeg_parse_options().
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Definition at line 403 of file ffmpeg.c.
Referenced by check_keyboard_interaction().
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void remove_avoptions | ( | AVDictionary ** | a, |
AVDictionary * | b | ||
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Definition at line 596 of file ffmpeg.c.
Referenced by open_input_file().
void assert_avoptions | ( | AVDictionary * | m | ) |
Definition at line 605 of file ffmpeg.c.
Referenced by init_input_stream(), init_output_stream(), and open_input_file().
Definition at line 614 of file ffmpeg.c.
Referenced by init_input_stream(), and init_output_stream().
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Definition at line 619 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 636 of file ffmpeg.c.
Referenced by write_packet().
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Definition at line 645 of file ffmpeg.c.
Referenced by avio_alloc_context(), check_init_output_file(), ffio_init_context(), and output_packet().
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Definition at line 773 of file ffmpeg.c.
Referenced by check_recording_time(), do_streamcopy(), need_output(), and transcode_from_filter().
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Definition at line 784 of file ffmpeg.c.
Referenced by do_audio_out(), do_video_out(), encode_audio_frame(), and flush_encoders().
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Definition at line 846 of file ffmpeg.c.
Referenced by do_audio_out(), do_subtitle_out(), and do_video_out().
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Definition at line 859 of file ffmpeg.c.
Referenced by reap_filters().
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Definition at line 919 of file ffmpeg.c.
Referenced by transcode_subtitles().
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Definition at line 1002 of file ffmpeg.c.
Referenced by reap_filters().
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Definition at line 1316 of file ffmpeg.c.
Referenced by avfilter_register_all(), do_video_stats(), main(), print_report(), and run_psnr().
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Definition at line 1359 of file ffmpeg.c.
Referenced by process_input().
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Get and encode new output from any of the filtergraphs, without causing activity.
Definition at line 1378 of file ffmpeg.c.
Referenced by transcode_from_filter(), and transcode_step().
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Definition at line 1473 of file ffmpeg.c.
Referenced by print_report().
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Definition at line 1590 of file ffmpeg.c.
Referenced by transcode().
Definition at line 1782 of file ffmpeg.c.
Referenced by transcode().
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Definition at line 1865 of file ffmpeg.c.
Referenced by process_input_packet(), and transcode_subtitles().
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Definition at line 1882 of file ffmpeg.c.
Referenced by process_input_packet().
int guess_input_channel_layout | ( | InputStream * | ist | ) |
Definition at line 1995 of file ffmpeg.c.
Referenced by add_input_streams(), and decode_audio().
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Definition at line 2015 of file ffmpeg.c.
Referenced by decode_audio(), decode_video(), and transcode_subtitles().
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Definition at line 2035 of file ffmpeg.c.
Referenced by decode_audio(), decode_video(), dxva2_init_pool(), frame_alloc(), get_buffer(), get_format(), main(), and show_formats_devices().
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Definition at line 2058 of file ffmpeg.c.
Referenced by process_input_packet().
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Definition at line 2177 of file ffmpeg.c.
Referenced by process_input_packet().
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Definition at line 2347 of file ffmpeg.c.
Referenced by process_input_packet().
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Definition at line 2406 of file ffmpeg.c.
Referenced by process_input_packet().
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Definition at line 2418 of file ffmpeg.c.
Referenced by process_input(), seek_to_start(), and transcode().
Definition at line 2584 of file ffmpeg.c.
Referenced by check_init_output_file().
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Definition at line 2629 of file ffmpeg.c.
Referenced by get_format().
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Definition at line 2638 of file ffmpeg.c.
Referenced by init_input_stream().
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Definition at line 2683 of file ffmpeg.c.
Referenced by init_input_stream().
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Definition at line 2746 of file ffmpeg.c.
Referenced by init_output_stream(), init_output_stream_streamcopy(), and transcode_init().
Definition at line 2753 of file ffmpeg.c.
Referenced by parse_forced_key_frames().
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Definition at line 3109 of file ffmpeg.c.
Referenced by transcode_init().
Definition at line 3172 of file ffmpeg.c.
Referenced by process_input().
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Definition at line 3187 of file ffmpeg.c.
Referenced by transcode_init().
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Definition at line 3228 of file ffmpeg.c.
Referenced by transcode().
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Definition at line 3607 of file ffmpeg.c.
Referenced by transcode().
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Select the output stream to process.
Definition at line 3637 of file ffmpeg.c.
Referenced by transcode_step().
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Definition at line 3659 of file ffmpeg.c.
Referenced by check_keyboard_interaction().
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Definition at line 3671 of file ffmpeg.c.
Referenced by transcode().
Definition at line 3881 of file ffmpeg.c.
Referenced by process_input().
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Definition at line 3901 of file ffmpeg.c.
Referenced by transcode_step().
Definition at line 3910 of file ffmpeg.c.
Referenced by process_input(), and transcode_step().
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Definition at line 3920 of file ffmpeg.c.
Referenced by seek_to_start().
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Definition at line 3939 of file ffmpeg.c.
Referenced by process_input().
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Definition at line 4007 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 4259 of file ffmpeg.c.
Referenced by transcode_step().
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Run a single step of transcoding.
Definition at line 4305 of file ffmpeg.c.
Referenced by transcode().
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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 transcode_init().
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Definition at line 127 of file ffmpeg.c.
Referenced by check_keyboard_interaction(), main(), and term_init().
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Definition at line 128 of file ffmpeg.c.
Referenced by do_video_out(), and print_report().
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Definition at line 129 of file ffmpeg.c.
Referenced by do_video_out(), and print_report().
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Definition at line 130 of file ffmpeg.c.
Referenced by check_decode_result(), and main().
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Definition at line 132 of file ffmpeg.c.
Referenced by check_init_output_file(), and main().
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Definition at line 134 of file ffmpeg.c.
Referenced by main(), and update_benchmark().
AVIOContext* progress_avio = NULL |
Definition at line 135 of file ffmpeg.c.
Referenced by opt_progress().
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Definition at line 137 of file ffmpeg.c.
Referenced by do_subtitle_out(), and ffmpeg_cleanup().
InputStream** input_streams = NULL |
Definition at line 139 of file ffmpeg.c.
Referenced by add_input_streams(), cuvid_transcode_init(), init_input_filter(), new_audio_stream(), new_output_stream(), open_input_file(), open_output_file(), and qsv_transcode_init().
int nb_input_streams = 0 |
Definition at line 140 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 141 of file ffmpeg.c.
Referenced by 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 142 of file ffmpeg.c.
Referenced by add_input_streams(), dump_attachment(), ffmpeg_cleanup(), init_input_filter(), 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 144 of file ffmpeg.c.
Referenced by new_output_stream(), open_output_file(), and qsv_transcode_init().
int nb_output_streams = 0 |
Definition at line 145 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(), qsv_transcode_init(), reap_filters(), reset_eagain(), transcode(), transcode_init(), and transcode_subtitles().
OutputFile** output_files = NULL |
Definition at line 146 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 147 of file ffmpeg.c.
Referenced by ffmpeg_cleanup(), get_ost_filters(), main(), new_output_stream(), open_output_file(), print_final_stats(), print_sdp(), and transcode().
FilterGraph** filtergraphs |
Definition at line 149 of file ffmpeg.c.
Referenced by configure_complex_filters(), DEF_CHOOSE_FORMAT(), init_complex_filters(), open_output_file(), opt_filter_complex(), and opt_filter_complex_script().
int nb_filtergraphs |
Definition at line 150 of file ffmpeg.c.
Referenced by check_keyboard_interaction(), configure_complex_filters(), decode_audio(), decode_video(), DEF_CHOOSE_FORMAT(), 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 316 of file ffmpeg.c.
Referenced by ffmpeg_cleanup(), sigterm_handler(), and transcode().
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Definition at line 317 of file ffmpeg.c.
Referenced by check_keyboard_interaction(), decode_interrupt_cb(), main(), and sigterm_handler().
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Definition at line 318 of file ffmpeg.c.
Referenced by decode_interrupt_cb(), and ffmpeg_cleanup().
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Definition at line 319 of file ffmpeg.c.
Referenced by ffmpeg_cleanup().
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Definition at line 320 of file ffmpeg.c.
Referenced by main(), and write_packet().
const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL } |
Definition at line 459 of file ffmpeg.c.
Referenced by check_init_output_file(), dump_attachment(), get_preset_file_2(), open_input_file(), open_output_file(), opt_progress(), read_ffserver_streams(), and url_alloc_for_protocol().