ffmpeg.c File Reference

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

Functions
static void	do_video_stats (OutputStream *ost, int frame_size)
static BenchmarkTimeStamps	get_benchmark_time_stamps (void)
static int64_t	getmaxrss (void)
static int	ifilter_has_all_input_formats (FilterGraph *fg)
static int	sub2video_get_blank_frame (InputStream *ist)
static void	sub2video_copy_rect (uint8_t *dst, int dst_linesize, int w, int h, AVSubtitleRect *r)
static void	sub2video_push_ref (InputStream *ist, int64_t pts)
void	sub2video_update (InputStream *ist, int64_t heartbeat_pts, AVSubtitle *sub)
static void	sub2video_heartbeat (InputStream *ist, int64_t pts)
static void	sub2video_flush (InputStream *ist)
static void	term_exit_sigsafe (void)
void	term_exit (void)
static void	sigterm_handler (int sig)
void	term_init (void)
static int	read_key (void)
static int	decode_interrupt_cb (void *ctx)
static void	ffmpeg_cleanup (int ret)
void	remove_avoptions (AVDictionary **a, AVDictionary *b)
void	assert_avoptions (AVDictionary *m)
static void	abort_codec_experimental (AVCodec *c, int encoder)
static void	update_benchmark (const char *fmt,...)
static void	close_all_output_streams (OutputStream *ost, OSTFinished this_stream, OSTFinished others)
static void	write_packet (OutputFile *of, AVPacket *pkt, OutputStream *ost, int unqueue)
static void	close_output_stream (OutputStream *ost)
static void	output_packet (OutputFile *of, AVPacket *pkt, OutputStream *ost, int eof)
static int	check_recording_time (OutputStream *ost)
static void	do_audio_out (OutputFile *of, OutputStream *ost, AVFrame *frame)
static void	do_subtitle_out (OutputFile *of, OutputStream *ost, AVSubtitle *sub)
static void	do_video_out (OutputFile *of, OutputStream *ost, AVFrame *next_picture, double sync_ipts)
static double	psnr (double d)
static int	init_output_stream (OutputStream *ost, char *error, int error_len)
static void	finish_output_stream (OutputStream *ost)
static int	reap_filters (int flush)
	Get and encode new output from any of the filtergraphs, without causing activity. More...
static void	print_final_stats (int64_t total_size)
static void	print_report (int is_last_report, int64_t timer_start, int64_t cur_time)
static void	ifilter_parameters_from_codecpar (InputFilter *ifilter, AVCodecParameters *par)
static void	flush_encoders (void)
static int	check_output_constraints (InputStream *ist, OutputStream *ost)
static void	do_streamcopy (InputStream *ist, OutputStream *ost, const AVPacket *pkt)
int	guess_input_channel_layout (InputStream *ist)
static void	check_decode_result (InputStream *ist, int *got_output, int ret)
static int	ifilter_send_frame (InputFilter *ifilter, AVFrame *frame)
static int	ifilter_send_eof (InputFilter *ifilter, int64_t pts)
static int	decode (AVCodecContext *avctx, AVFrame *frame, int *got_frame, AVPacket *pkt)
static int	send_frame_to_filters (InputStream *ist, AVFrame *decoded_frame)
static int	decode_audio (InputStream *ist, AVPacket *pkt, int *got_output, int *decode_failed)
static int	decode_video (InputStream *ist, AVPacket *pkt, int *got_output, int64_t *duration_pts, int eof, int *decode_failed)
static int	transcode_subtitles (InputStream *ist, AVPacket *pkt, int *got_output, int *decode_failed)
static int	send_filter_eof (InputStream *ist)
static int	process_input_packet (InputStream *ist, const AVPacket *pkt, int no_eof)
static void	print_sdp (void)
static enum AVPixelFormat	get_format (AVCodecContext *s, const enum AVPixelFormat *pix_fmts)
static int	get_buffer (AVCodecContext *s, AVFrame *frame, int flags)
static int	init_input_stream (int ist_index, char *error, int error_len)
static InputStream *	get_input_stream (OutputStream *ost)
static int	compare_int64 (const void *a, const void *b)
static int	check_init_output_file (OutputFile *of, int file_index)
static int	init_output_bsfs (OutputStream *ost)
static int	init_output_stream_streamcopy (OutputStream *ost)
static void	set_encoder_id (OutputFile *of, OutputStream *ost)
static void	parse_forced_key_frames (char *kf, OutputStream *ost, AVCodecContext *avctx)
static void	init_encoder_time_base (OutputStream *ost, AVRational default_time_base)
static int	init_output_stream_encode (OutputStream *ost)
static void	report_new_stream (int input_index, AVPacket *pkt)
static int	transcode_init (void)
static int	need_output (void)
static OutputStream *	choose_output (void)
	Select the output stream to process. More...
static void	set_tty_echo (int on)
static int	check_keyboard_interaction (int64_t cur_time)
static int	get_input_packet (InputFile *f, AVPacket *pkt)
static int	got_eagain (void)
static void	reset_eagain (void)
static AVRational	duration_max (int64_t tmp, int64_t *duration, AVRational tmp_time_base, AVRational time_base)
static int	seek_to_start (InputFile *ifile, AVFormatContext *is)
static int	process_input (int file_index)
static int	transcode_from_filter (FilterGraph *graph, InputStream **best_ist)
	Perform a step of transcoding for the specified filter graph. More...
static int	transcode_step (void)
	Run a single step of transcoding. More...
static int	transcode (void)
static void	log_callback_null (void *ptr, int level, const char *fmt, va_list vl)
int	main (int argc, char **argv)

Variables
const char	program_name [] = "ffmpeg"
	program name, defined by the program for show_version(). More...
const int	program_birth_year = 2000
	program birth year, defined by the program for show_banner() More...
static FILE *	vstats_file
const char *const	forced_keyframes_const_names []
static int	run_as_daemon = 0
static int	nb_frames_dup = 0
static unsigned	dup_warning = 1000
static int	nb_frames_drop = 0
static int64_t	decode_error_stat [2]
static int	want_sdp = 1
static BenchmarkTimeStamps	current_time
AVIOContext *	progress_avio = NULL
static uint8_t *	subtitle_out
InputStream **	input_streams = NULL
int	nb_input_streams = 0
InputFile **	input_files = NULL
int	nb_input_files = 0
OutputStream **	output_streams = NULL
int	nb_output_streams = 0
OutputFile **	output_files = NULL
int	nb_output_files = 0
FilterGraph **	filtergraphs
int	nb_filtergraphs
static volatile int	received_sigterm = 0
static volatile int	received_nb_signals = 0
static atomic_int	transcode_init_done = ATOMIC_VAR_INIT(0)
static volatile int	ffmpeg_exited = 0
static int	main_return_code = 0
const AVIOInterruptCB	int_cb = { decode_interrupt_cb, NULL }

Detailed Description

multimedia converter based on the FFmpeg libraries

Definition in file ffmpeg.c.

Function Documentation

static void do_video_stats ( OutputStream *  ost, int  frame_size  )

static

Definition at line 1349 of file ffmpeg.c.

Referenced by do_video_out(), and flush_encoders().

static BenchmarkTimeStamps get_benchmark_time_stamps ( void  )

static

Definition at line 4773 of file ffmpeg.c.

Referenced by main(), and update_benchmark().

static int64_t getmaxrss ( void  )

static

Definition at line 4799 of file ffmpeg.c.

Referenced by ffmpeg_cleanup().

static int ifilter_has_all_input_formats ( FilterGraph *  fg )

static

Definition at line 2095 of file ffmpeg.c.

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

static int sub2video_get_blank_frame ( InputStream *  ist )

static

Definition at line 176 of file ffmpeg.c.

Referenced by sub2video_update().

static void sub2video_copy_rect ( uint8_t *  dst, int  dst_linesize, int  w, int  h, AVSubtitleRect *  r  )

static

Definition at line 191 of file ffmpeg.c.

Referenced by sub2video_update().

static void sub2video_push_ref ( InputStream *  ist, int64_t  pts  )

static

Definition at line 222 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 240 of file ffmpeg.c.

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

static void sub2video_heartbeat ( InputStream *  ist, int64_t  pts  )

static

Definition at line 280 of file ffmpeg.c.

Referenced by process_input().

static void sub2video_flush ( InputStream *  ist )

static

Definition at line 312 of file ffmpeg.c.

Referenced by transcode_subtitles().

static void term_exit_sigsafe ( void  )

static

Definition at line 328 of file ffmpeg.c.

Referenced by sigterm_handler(), and term_exit().

void term_exit

(

void

)

Definition at line 336 of file ffmpeg.c.

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

static void sigterm_handler ( int  sig )

static

Definition at line 349 of file ffmpeg.c.

Referenced by term_init().

void term_init

(

void

)

Definition at line 395 of file ffmpeg.c.

Referenced by assert_file_overwrite(), and ffmpeg_parse_options().

static int read_key ( void  )

static

Definition at line 433 of file ffmpeg.c.

Referenced by check_keyboard_interaction().

static int decode_interrupt_cb ( void *  ctx )

static

Definition at line 484 of file ffmpeg.c.

static void ffmpeg_cleanup ( int  ret )

static

Definition at line 491 of file ffmpeg.c.

Referenced by main().

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

Definition at line 648 of file ffmpeg.c.

Referenced by open_input_file().

void assert_avoptions

(

AVDictionary *

m

)

Definition at line 657 of file ffmpeg.c.

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

static void abort_codec_experimental ( AVCodec *  c, int  encoder  )

static

Definition at line 666 of file ffmpeg.c.

Referenced by init_input_stream(), and init_output_stream().

static void update_benchmark ( const char *  fmt,   ...  )

static

Definition at line 671 of file ffmpeg.c.

Referenced by decode_audio(), decode_video(), do_audio_out(), do_video_out(), and flush_encoders().

static void close_all_output_streams ( OutputStream *  ost, OSTFinished  this_stream, OSTFinished  others  )

static

Definition at line 692 of file ffmpeg.c.

Referenced by write_packet().

static void write_packet ( OutputFile *  of, AVPacket *  pkt, OutputStream *  ost, int  unqueue  )

static

Definition at line 701 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_write_trailer().

static void close_output_stream ( OutputStream *  ost )

static

Definition at line 838 of file ffmpeg.c.

Referenced by check_recording_time(), do_streamcopy(), need_output(), and transcode_from_filter().

static void output_packet ( OutputFile *  of, AVPacket *  pkt, OutputStream *  ost, int  eof  )

static

Examples:

transcode_aac.c.

Definition at line 860 of file ffmpeg.c.

Referenced by do_audio_out(), do_streamcopy(), do_subtitle_out(), do_video_out(), encode_audio_frame(), and flush_encoders().

static int check_recording_time ( OutputStream *  ost )

static

Definition at line 886 of file ffmpeg.c.

Referenced by do_audio_out(), do_subtitle_out(), and do_video_out().

static void do_audio_out ( OutputFile *  of, OutputStream *  ost, AVFrame *  frame  )

static

Definition at line 899 of file ffmpeg.c.

Referenced by reap_filters().

static void do_subtitle_out ( OutputFile *  of, OutputStream *  ost, AVSubtitle *  sub  )

static

Definition at line 959 of file ffmpeg.c.

Referenced by transcode_subtitles().

static void do_video_out ( OutputFile *  of, OutputStream *  ost, AVFrame *  next_picture, double  sync_ipts  )

static

Definition at line 1042 of file ffmpeg.c.

Referenced by reap_filters().

static double psnr ( double  d )

static

Definition at line 1344 of file ffmpeg.c.

Referenced by do_video_stats(), main(), print_report(), and run_psnr().

static int init_output_stream ( OutputStream *  ost, char *  error, int  error_len  )

static

Definition at line 3419 of file ffmpeg.c.

Referenced by do_video_stats(), flush_encoders(), reap_filters(), transcode_init(), and transcode_step().

static void finish_output_stream ( OutputStream *  ost )

static

Definition at line 1394 of file ffmpeg.c.

Referenced by flush_encoders(), and process_input().

static int reap_filters ( int  flush )

static

Get and encode new output from any of the filtergraphs, without causing activity.

Returns

0 for success, <0 for severe errors

Definition at line 1413 of file ffmpeg.c.

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

static void print_final_stats ( int64_t  total_size )

static

Definition at line 1517 of file ffmpeg.c.

Referenced by print_report().

static void print_report ( int  is_last_report, int64_t  timer_start, int64_t  cur_time  )

static

Definition at line 1634 of file ffmpeg.c.

Referenced by transcode().

static void ifilter_parameters_from_codecpar ( InputFilter *  ifilter, AVCodecParameters *  par  )

static

Definition at line 1833 of file ffmpeg.c.

Referenced by flush_encoders(), and ifilter_send_eof().

static void flush_encoders ( void  )

static

Definition at line 1846 of file ffmpeg.c.

Referenced by transcode().

static int check_output_constraints ( InputStream *  ist, OutputStream *  ost  )

static

Definition at line 1962 of file ffmpeg.c.

Referenced by process_input_packet(), and transcode_subtitles().

static void do_streamcopy ( InputStream *  ist, OutputStream *  ost, const AVPacket *  pkt  )

static

Definition at line 1979 of file ffmpeg.c.

Referenced by process_input_packet().

int guess_input_channel_layout

(

InputStream *

ist

)

Definition at line 2056 of file ffmpeg.c.

Referenced by add_input_streams().

static void check_decode_result ( InputStream *  ist, int *  got_output, int  ret  )

static

Definition at line 2076 of file ffmpeg.c.

Referenced by decode_audio(), decode_video(), and transcode_subtitles().

static int ifilter_send_frame ( InputFilter *  ifilter, AVFrame *  frame  )

static

Definition at line 2106 of file ffmpeg.c.

Referenced by send_frame_to_filters().

static int ifilter_send_eof ( InputFilter *  ifilter, int64_t  pts  )

static

Definition at line 2183 of file ffmpeg.c.

Referenced by send_filter_eof().

static int decode ( AVCodecContext *  avctx, AVFrame *  frame, int *  got_frame, AVPacket *  pkt  )

static

Definition at line 2210 of file ffmpeg.c.

Referenced by decode_audio(), and decode_video().

static int send_frame_to_filters ( InputStream *  ist, AVFrame *  decoded_frame  )

static

Definition at line 2233 of file ffmpeg.c.

Referenced by decode_audio(), and decode_video().

static int decode_audio ( InputStream *  ist, AVPacket *  pkt, int *  got_output, int *  decode_failed  )

static

Definition at line 2259 of file ffmpeg.c.

Referenced by process_input_packet().

static int decode_video ( InputStream *  ist, AVPacket *  pkt, int *  got_output, int64_t *  duration_pts, int  eof, int *  decode_failed  )

static

Definition at line 2321 of file ffmpeg.c.

Referenced by process_input_packet().

static int transcode_subtitles ( InputStream *  ist, AVPacket *  pkt, int *  got_output, int *  decode_failed  )

static

Definition at line 2454 of file ffmpeg.c.

Referenced by process_input_packet().

static int send_filter_eof ( InputStream *  ist )

static

Definition at line 2531 of file ffmpeg.c.

Referenced by process_input_packet().

static int process_input_packet ( InputStream *  ist, const AVPacket *  pkt, int  no_eof  )

static

Definition at line 2547 of file ffmpeg.c.

Referenced by process_input(), and transcode().

static void print_sdp ( void  )

static

Definition at line 2729 of file ffmpeg.c.

Referenced by check_init_output_file().

static enum AVPixelFormat get_format ( AVCodecContext *  s, const enum AVPixelFormat *  pix_fmts  )

static

Definition at line 2774 of file ffmpeg.c.

Referenced by init_input_stream().

static int get_buffer ( AVCodecContext *  s, AVFrame *  frame, int  flags  )

static

Definition at line 2860 of file ffmpeg.c.

Referenced by init_input_stream().

static int init_input_stream ( int  ist_index, char *  error, int  error_len  )

static

Definition at line 2870 of file ffmpeg.c.

Referenced by transcode_init().

static InputStream* get_input_stream ( OutputStream *  ost )

static

Definition at line 2935 of file ffmpeg.c.

Referenced by init_encoder_time_base(), init_output_stream(), init_output_stream_encode(), and init_output_stream_streamcopy().

static int compare_int64 ( const void *  a, const void *  b  )

static

Definition at line 2942 of file ffmpeg.c.

Referenced by parse_forced_key_frames().

static int check_init_output_file ( OutputFile *  of, int  file_index  )

static

Definition at line 2948 of file ffmpeg.c.

Referenced by init_output_stream(), and transcode_init().

static int init_output_bsfs ( OutputStream *  ost )

static

Definition at line 2994 of file ffmpeg.c.

Referenced by init_output_stream().

static int init_output_stream_streamcopy ( OutputStream *  ost )

static

Definition at line 3023 of file ffmpeg.c.

Referenced by init_output_stream().

static void set_encoder_id ( OutputFile *  of, OutputStream *  ost  )

static

Definition at line 3137 of file ffmpeg.c.

Referenced by init_output_stream_encode().

static void parse_forced_key_frames ( char *  kf, OutputStream *  ost, AVCodecContext *  avctx  )

static

Definition at line 3178 of file ffmpeg.c.

Referenced by init_output_stream_encode().

static void init_encoder_time_base ( OutputStream *  ost, AVRational  default_time_base  )

static

Definition at line 3241 of file ffmpeg.c.

Referenced by init_output_stream_encode().

static int init_output_stream_encode ( OutputStream *  ost )

static

Definition at line 3265 of file ffmpeg.c.

Referenced by init_output_stream().

static void report_new_stream ( int  input_index, AVPacket *  pkt  )

static

Definition at line 3609 of file ffmpeg.c.

Referenced by process_input().

static int transcode_init ( void  )

static

Definition at line 3624 of file ffmpeg.c.

Referenced by transcode().

static int need_output ( void  )

static

Definition at line 3797 of file ffmpeg.c.

Referenced by mf_negotiate_types(), and transcode().

static OutputStream* choose_output ( void  )

static

Select the output stream to process.

Returns

selected output stream, or NULL if none available

Definition at line 3827 of file ffmpeg.c.

Referenced by transcode_step().

static void set_tty_echo ( int  on )

static

Definition at line 3854 of file ffmpeg.c.

Referenced by check_keyboard_interaction().

static int check_keyboard_interaction ( int64_t  cur_time )

static

Definition at line 3866 of file ffmpeg.c.

Referenced by transcode().

static int get_input_packet ( InputFile *  f, AVPacket *  pkt  )

static

Definition at line 4096 of file ffmpeg.c.

Referenced by process_input().

static int got_eagain ( void  )

static

Definition at line 4116 of file ffmpeg.c.

Referenced by transcode_step().

static void reset_eagain ( void  )

static

Definition at line 4125 of file ffmpeg.c.

Referenced by process_input(), and transcode_step().

static AVRational duration_max ( int64_t  tmp, int64_t *  duration, AVRational  tmp_time_base, AVRational  time_base  )

static

Definition at line 4135 of file ffmpeg.c.

Referenced by seek_to_start().

static int seek_to_start ( InputFile *  ifile, AVFormatContext *  is  )

static

Definition at line 4154 of file ffmpeg.c.

Referenced by process_input().

static int process_input ( int  file_index )

static

Definition at line 4220 of file ffmpeg.c.

Referenced by transcode_step().

static int transcode_from_filter ( FilterGraph *  graph, InputStream **  best_ist  )

static

Perform a step of transcoding for the specified filter graph.

Parameters

[in]	graph	filter graph to consider
[out]	best_ist	input stream where a frame would allow to continue

Returns

0 for success, <0 for error

Definition at line 4508 of file ffmpeg.c.

Referenced by transcode_step().

static int transcode_step ( void  )

static

Run a single step of transcoding.

Returns

0 for success, <0 for error

Definition at line 4554 of file ffmpeg.c.

Referenced by transcode().

static int transcode ( void  )

static

Definition at line 4629 of file ffmpeg.c.

Referenced by main().

static void log_callback_null ( void *  ptr, int  level, const char *  fmt, va_list  vl  )

static

Definition at line 4817 of file ffmpeg.c.

Referenced by main().

int main	(	int	argc,
		char **	argv
	)

Definition at line 4821 of file ffmpeg.c.

Variable Documentation

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()

Definition at line 110 of file ffmpeg.c.

FILE* vstats_file

static

Definition at line 112 of file ffmpeg.c.

Referenced by do_video_stats(), and ffmpeg_cleanup().

const char* const forced_keyframes_const_names[]

Initial value:

= {
    "n",
    "n_forced",
    "prev_forced_n",
    "prev_forced_t",
    "t",
    NULL
}

Definition at line 114 of file ffmpeg.c.

Referenced by init_output_stream_encode().

int run_as_daemon = 0

static

Definition at line 134 of file ffmpeg.c.

Referenced by check_keyboard_interaction(), main(), and term_init().

int nb_frames_dup = 0

static

Definition at line 135 of file ffmpeg.c.

Referenced by do_video_out(), and print_report().

unsigned dup_warning = 1000

static

Definition at line 136 of file ffmpeg.c.

Referenced by do_video_out().

int nb_frames_drop = 0

static

Definition at line 137 of file ffmpeg.c.

Referenced by do_video_out(), and print_report().

int64_t decode_error_stat[2]

static

Definition at line 138 of file ffmpeg.c.

Referenced by check_decode_result(), and main().

int want_sdp = 1

static

Definition at line 140 of file ffmpeg.c.

Referenced by check_init_output_file(), and main().

BenchmarkTimeStamps current_time

static

Definition at line 142 of file ffmpeg.c.

AVIOContext* progress_avio = NULL

Definition at line 143 of file ffmpeg.c.

Referenced by opt_progress().

uint8_t* subtitle_out

static

Definition at line 145 of file ffmpeg.c.

Referenced by do_subtitle_out(), and ffmpeg_cleanup().

InputStream** input_streams = NULL

Definition at line 147 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 148 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().

InputFile** input_files = NULL

Definition at line 149 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 150 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 152 of file ffmpeg.c.

Referenced by new_output_stream(), and open_output_file().

int nb_output_streams = 0

Definition at line 153 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 154 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 155 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 157 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 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().

volatile int received_sigterm = 0

static

Definition at line 342 of file ffmpeg.c.

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

volatile int received_nb_signals = 0

static

Definition at line 343 of file ffmpeg.c.

Referenced by check_keyboard_interaction(), decode_interrupt_cb(), main(), and sigterm_handler().

atomic_int transcode_init_done = ATOMIC_VAR_INIT(0)

static

Definition at line 344 of file ffmpeg.c.

Referenced by decode_interrupt_cb(), ffmpeg_cleanup(), and transcode_init().

volatile int ffmpeg_exited = 0

static

Definition at line 345 of file ffmpeg.c.

Referenced by ffmpeg_cleanup(), and sigterm_handler().

int main_return_code = 0

static

Definition at line 346 of file ffmpeg.c.

Referenced by main(), and write_packet().

const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL }

Definition at line 489 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().