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/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 1360 of file ffmpeg.c.
Referenced by do_video_out(), and flush_encoders().
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Definition at line 4688 of file ffmpeg.c.
Referenced by main(), and update_benchmark().
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Definition at line 4706 of file ffmpeg.c.
Referenced by ffmpeg_cleanup().
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Definition at line 2139 of file ffmpeg.c.
Referenced by flush_encoders(), ifilter_send_frame(), and transcode_step().
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Definition at line 173 of file ffmpeg.c.
Referenced by sub2video_update().
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Definition at line 188 of file ffmpeg.c.
Referenced by sub2video_update().
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Definition at line 219 of file ffmpeg.c.
Referenced by sub2video_heartbeat(), and sub2video_update().
void sub2video_update | ( | InputStream * | ist, |
AVSubtitle * | sub | ||
) |
Definition at line 232 of file ffmpeg.c.
Referenced by configure_filtergraph(), sub2video_flush(), sub2video_heartbeat(), and transcode_subtitles().
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Definition at line 266 of file ffmpeg.c.
Referenced by process_input().
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Definition at line 295 of file ffmpeg.c.
Referenced by transcode_subtitles().
Definition at line 307 of file ffmpeg.c.
Referenced by sigterm_handler(), and term_exit().
Definition at line 315 of file ffmpeg.c.
Referenced by assert_file_overwrite(), ffmpeg_cleanup(), and transcode().
Definition at line 328 of file ffmpeg.c.
Referenced by term_init().
Definition at line 373 of file ffmpeg.c.
Referenced by assert_file_overwrite(), and ffmpeg_parse_options().
Definition at line 408 of file ffmpeg.c.
Referenced by check_keyboard_interaction().
void remove_avoptions | ( | AVDictionary ** | a, |
AVDictionary * | b | ||
) |
Definition at line 623 of file ffmpeg.c.
Referenced by open_input_file().
void assert_avoptions | ( | AVDictionary * | m | ) |
Definition at line 632 of file ffmpeg.c.
Referenced by init_input_stream(), init_output_stream(), and open_input_file().
Definition at line 641 of file ffmpeg.c.
Referenced by init_input_stream(), and init_output_stream().
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Definition at line 646 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 663 of file ffmpeg.c.
Referenced by write_packet().
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Definition at line 672 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 807 of file ffmpeg.c.
Referenced by check_recording_time(), do_streamcopy(), need_output(), and transcode_from_filter().
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Definition at line 818 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 880 of file ffmpeg.c.
Referenced by do_audio_out(), do_subtitle_out(), and do_video_out().
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Definition at line 893 of file ffmpeg.c.
Referenced by reap_filters().
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Definition at line 953 of file ffmpeg.c.
Referenced by transcode_subtitles().
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Definition at line 1036 of file ffmpeg.c.
Referenced by reap_filters().
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Definition at line 1355 of file ffmpeg.c.
Referenced by do_video_stats(), main(), print_report(), register_all(), and run_psnr().
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Definition at line 3407 of file ffmpeg.c.
Referenced by flush_encoders(), reap_filters(), and transcode_init().
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Definition at line 1405 of file ffmpeg.c.
Referenced by flush_encoders(), ifilter_send_eof(), and process_input().
Get and encode new output from any of the filtergraphs, without causing activity.
Definition at line 1424 of file ffmpeg.c.
Referenced by ifilter_send_frame(), transcode_from_filter(), and transcode_step().
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Definition at line 1530 of file ffmpeg.c.
Referenced by print_report().
Definition at line 1647 of file ffmpeg.c.
Referenced by transcode().
Definition at line 1839 of file ffmpeg.c.
Referenced by transcode().
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Definition at line 1971 of file ffmpeg.c.
Referenced by process_input_packet(), and transcode_subtitles().
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Definition at line 1988 of file ffmpeg.c.
Referenced by process_input_packet().
int guess_input_channel_layout | ( | InputStream * | ist | ) |
Definition at line 2102 of file ffmpeg.c.
Referenced by add_input_streams().
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Definition at line 2122 of file ffmpeg.c.
Referenced by decode_audio(), decode_video(), and transcode_subtitles().
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Definition at line 2150 of file ffmpeg.c.
Referenced by send_frame_to_filters().
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Definition at line 2225 of file ffmpeg.c.
Referenced by send_filter_eof().
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Definition at line 2257 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 2280 of file ffmpeg.c.
Referenced by decode_video().
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Definition at line 2306 of file ffmpeg.c.
Referenced by process_input_packet().
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Definition at line 2370 of file ffmpeg.c.
Referenced by process_input_packet().
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Definition at line 2502 of file ffmpeg.c.
Referenced by process_input_packet().
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Definition at line 2579 of file ffmpeg.c.
Referenced by process_input_packet().
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Definition at line 2591 of file ffmpeg.c.
Referenced by process_input(), seek_to_start(), and transcode().
Definition at line 2762 of file ffmpeg.c.
Referenced by check_init_output_file().
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Definition at line 2807 of file ffmpeg.c.
Referenced by get_format().
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Definition at line 2816 of file ffmpeg.c.
Referenced by init_input_stream().
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Definition at line 2861 of file ffmpeg.c.
Referenced by init_input_stream().
Definition at line 2871 of file ffmpeg.c.
Referenced by transcode_init().
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Definition at line 2924 of file ffmpeg.c.
Referenced by init_output_stream(), init_output_stream_encode(), and init_output_stream_streamcopy().
Definition at line 2931 of file ffmpeg.c.
Referenced by parse_forced_key_frames().
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Definition at line 2937 of file ffmpeg.c.
Referenced by transcode_init().
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Definition at line 3141 of file ffmpeg.c.
Referenced by init_output_stream_encode().
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Definition at line 3182 of file ffmpeg.c.
Referenced by init_output_stream_encode().
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Definition at line 3245 of file ffmpeg.c.
Referenced by init_output_stream().
Definition at line 3590 of file ffmpeg.c.
Referenced by process_input().
Definition at line 3605 of file ffmpeg.c.
Referenced by transcode().
Definition at line 3778 of file ffmpeg.c.
Referenced by transcode().
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Select the output stream to process.
Definition at line 3808 of file ffmpeg.c.
Referenced by transcode_step().
Definition at line 3833 of file ffmpeg.c.
Referenced by check_keyboard_interaction().
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Definition at line 3845 of file ffmpeg.c.
Referenced by transcode().
Definition at line 4055 of file ffmpeg.c.
Referenced by process_input().
Definition at line 4075 of file ffmpeg.c.
Referenced by transcode_step().
Definition at line 4084 of file ffmpeg.c.
Referenced by process_input(), and transcode_step().
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Definition at line 4094 of file ffmpeg.c.
Referenced by seek_to_start().
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Definition at line 4113 of file ffmpeg.c.
Referenced by process_input().
Definition at line 4181 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 4432 of file ffmpeg.c.
Referenced by transcode_step().
Run a single step of transcoding.
Definition at line 4478 of file ffmpeg.c.
Referenced by transcode().
const char program_name[] = "ffmpeg" |
program name, defined by the program for show_version().
Definition at line 112 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 115 of file ffmpeg.c.
Referenced by do_video_stats(), and ffmpeg_cleanup().
const char* const forced_keyframes_const_names[] |
Definition at line 117 of file ffmpeg.c.
Referenced by init_output_stream_encode().
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Definition at line 131 of file ffmpeg.c.
Referenced by check_keyboard_interaction(), main(), and term_init().
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Definition at line 132 of file ffmpeg.c.
Referenced by do_video_out(), and print_report().
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Definition at line 133 of file ffmpeg.c.
Referenced by do_video_out().
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Definition at line 134 of file ffmpeg.c.
Referenced by do_video_out(), and print_report().
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Definition at line 135 of file ffmpeg.c.
Referenced by check_decode_result(), and main().
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Definition at line 137 of file ffmpeg.c.
Referenced by check_init_output_file(), and main().
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Definition at line 139 of file ffmpeg.c.
Referenced by main(), and update_benchmark().
AVIOContext* progress_avio = NULL |
Definition at line 140 of file ffmpeg.c.
Referenced by opt_progress().
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Definition at line 142 of file ffmpeg.c.
Referenced by do_subtitle_out(), and ffmpeg_cleanup().
InputStream** input_streams = NULL |
Definition at line 144 of file ffmpeg.c.
Referenced by add_input_streams(), init_input_filter(), new_audio_stream(), new_output_stream(), open_input_file(), and open_output_file().
int nb_input_streams = 0 |
Definition at line 145 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 146 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 147 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 149 of file ffmpeg.c.
Referenced by new_output_stream(), and open_output_file().
int nb_output_streams = 0 |
Definition at line 150 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 151 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 152 of file ffmpeg.c.
Referenced by ffmpeg_cleanup(), get_ost_filters(), main(), new_output_stream(), open_output_file(), print_final_stats(), print_sdp(), transcode(), and transcode_init().
FilterGraph** filtergraphs |
Definition at line 154 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 155 of file ffmpeg.c.
Referenced by check_filter_outputs(), check_keyboard_interaction(), 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 321 of file ffmpeg.c.
Referenced by ffmpeg_cleanup(), sigterm_handler(), and transcode().
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Definition at line 322 of file ffmpeg.c.
Referenced by check_keyboard_interaction(), decode_interrupt_cb(), main(), and sigterm_handler().
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Definition at line 323 of file ffmpeg.c.
Referenced by decode_interrupt_cb(), ffmpeg_cleanup(), and transcode_init().
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Definition at line 324 of file ffmpeg.c.
Referenced by ffmpeg_cleanup().
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Definition at line 325 of file ffmpeg.c.
Referenced by main(), and write_packet().
const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL } |
Definition at line 464 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().