Libav
Macros | Functions | Variables
avconv.c File Reference
#include "config.h"
#include <ctype.h>
#include <string.h>
#include <math.h>
#include <stdlib.h>
#include <errno.h>
#include <signal.h>
#include <limits.h>
#include <stdint.h>
#include "libavformat/avformat.h"
#include "libavdevice/avdevice.h"
#include "libswscale/swscale.h"
#include "libavresample/avresample.h"
#include "libavutil/opt.h"
#include "libavutil/channel_layout.h"
#include "libavutil/parseutils.h"
#include "libavutil/samplefmt.h"
#include "libavutil/fifo.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/time.h"
#include "libavformat/os_support.h"
#include "libavfilter/avfilter.h"
#include "libavfilter/buffersrc.h"
#include "libavfilter/buffersink.h"
#include "avconv.h"
#include "cmdutils.h"
#include "libavutil/avassert.h"

Go to the source code of this file.

Macros

#define DEFAULT_PASS_LOGFILENAME_PREFIX   "av2pass"
 

Functions

static void term_exit (void)
 
static void sigterm_handler (int sig)
 
static void term_init (void)
 
static int decode_interrupt_cb (void *ctx)
 
static void avconv_cleanup (int ret)
 
void assert_avoptions (AVDictionary *m)
 
static void abort_codec_experimental (AVCodec *c, int encoder)
 
static void update_sample_fmt (AVCodecContext *dec, AVCodec *dec_codec, AVCodecContext *enc)
 
static void write_frame (AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
 
static int check_recording_time (OutputStream *ost)
 
static void do_audio_out (AVFormatContext *s, OutputStream *ost, AVFrame *frame)
 
static void do_subtitle_out (AVFormatContext *s, OutputStream *ost, InputStream *ist, AVSubtitle *sub, int64_t pts)
 
static void do_video_out (AVFormatContext *s, OutputStream *ost, AVFrame *in_picture, int *frame_size)
 
static double psnr (double d)
 
static void do_video_stats (OutputStream *ost, int frame_size)
 
static int poll_filter (OutputStream *ost)
 
static void finish_output_stream (OutputStream *ost)
 
static int poll_filters (void)
 
static void print_final_stats (int64_t total_size)
 
static void print_report (int is_last_report, int64_t timer_start)
 
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 int decode_audio (InputStream *ist, AVPacket *pkt, int *got_output)
 
static int decode_video (InputStream *ist, AVPacket *pkt, int *got_output)
 
static int transcode_subtitles (InputStream *ist, AVPacket *pkt, int *got_output)
 
static int process_input_packet (InputStream *ist, const AVPacket *pkt)
 
static void print_sdp (void)
 
static const HWAccelget_hwaccel (enum AVPixelFormat pix_fmt)
 
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 InputStreamget_input_stream (OutputStream *ost)
 
static void parse_forced_key_frames (char *kf, OutputStream *ost, AVCodecContext *avctx)
 
static void set_encoder_id (OutputFile *of, OutputStream *ost)
 
static int transcode_init (void)
 
static int need_output (void)
 
static InputFileselect_input_file (void)
 
static int get_input_packet (InputFile *f, AVPacket *pkt)
 
static int got_eagain (void)
 
static void reset_eagain (void)
 
static int process_input (void)
 
static int transcode (void)
 
static int64_t getutime (void)
 
static int64_t getmaxrss (void)
 
int main (int argc, char **argv)
 

Variables

const char program_name [] = "avconv"
 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
 
static int nb_frames_drop = 0
 
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
 
const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL }
 

Macro Definition Documentation

#define DEFAULT_PASS_LOGFILENAME_PREFIX   "av2pass"

Definition at line 96 of file avconv.c.

Referenced by transcode_init().

Function Documentation

static void term_exit ( void  )
static

Definition at line 111 of file avconv.c.

Referenced by sigterm_handler(), and transcode().

static void sigterm_handler ( int  sig)
static

Definition at line 120 of file avconv.c.

Referenced by term_init().

static void term_init ( void  )
static

Definition at line 127 of file avconv.c.

Referenced by transcode().

static int decode_interrupt_cb ( void ctx)
static

Definition at line 136 of file avconv.c.

static void avconv_cleanup ( int  ret)
static

Definition at line 143 of file avconv.c.

Referenced by main().

void assert_avoptions ( AVDictionary m)

Definition at line 236 of file avconv.c.

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

static void abort_codec_experimental ( AVCodec c,
int  encoder 
)
static

Definition at line 245 of file avconv.c.

Referenced by init_input_stream(), and transcode_init().

static void update_sample_fmt ( AVCodecContext dec,
AVCodec dec_codec,
AVCodecContext enc 
)
static

Definition at line 266 of file avconv.c.

Referenced by init_input_stream().

static void write_frame ( AVFormatContext s,
AVPacket pkt,
OutputStream ost 
)
static

Definition at line 318 of file avconv.c.

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

static int check_recording_time ( OutputStream ost)
static

Definition at line 394 of file avconv.c.

Referenced by do_subtitle_out().

static void do_audio_out ( AVFormatContext s,
OutputStream ost,
AVFrame frame 
)
static

Definition at line 407 of file avconv.c.

Referenced by poll_filter().

static void do_subtitle_out ( AVFormatContext s,
OutputStream ost,
InputStream ist,
AVSubtitle sub,
int64_t  pts 
)
static

Definition at line 436 of file avconv.c.

Referenced by transcode_subtitles().

static void do_video_out ( AVFormatContext s,
OutputStream ost,
AVFrame in_picture,
int *  frame_size 
)
static

Definition at line 505 of file avconv.c.

Referenced by poll_filter().

static double psnr ( double  d)
static

Definition at line 603 of file avconv.c.

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

static void do_video_stats ( OutputStream ost,
int  frame_size 
)
static

Definition at line 608 of file avconv.c.

Referenced by poll_filter().

static int poll_filter ( OutputStream ost)
static

Definition at line 647 of file avconv.c.

Referenced by poll_filters().

static void finish_output_stream ( OutputStream ost)
static

Definition at line 700 of file avconv.c.

Referenced by poll_filters(), and process_input().

static int poll_filters ( void  )
static

Definition at line 721 of file avconv.c.

Referenced by decode_video(), and transcode().

static void print_final_stats ( int64_t  total_size)
static

Definition at line 759 of file avconv.c.

Referenced by print_report().

static void print_report ( int  is_last_report,
int64_t  timer_start 
)
static

Definition at line 862 of file avconv.c.

Referenced by transcode().

static void flush_encoders ( void  )
static

Definition at line 983 of file avconv.c.

Referenced by transcode().

static int check_output_constraints ( InputStream ist,
OutputStream ost 
)
static

Definition at line 1050 of file avconv.c.

Referenced by process_input_packet(), and transcode_subtitles().

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

Definition at line 1064 of file avconv.c.

Referenced by process_input_packet().

int guess_input_channel_layout ( InputStream ist)

Definition at line 1134 of file avconv.c.

Referenced by add_input_streams(), and decode_audio().

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

Definition at line 1152 of file avconv.c.

Referenced by process_input_packet().

static int decode_video ( InputStream ist,
AVPacket pkt,
int *  got_output 
)
static

Definition at line 1248 of file avconv.c.

Referenced by process_input_packet().

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

Definition at line 1331 of file avconv.c.

Referenced by process_input_packet().

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

Definition at line 1357 of file avconv.c.

Referenced by process_input(), and transcode().

static void print_sdp ( void  )
static

Definition at line 1459 of file avconv.c.

Referenced by transcode_init().

static const HWAccel* get_hwaccel ( enum AVPixelFormat  pix_fmt)
static

Definition at line 1476 of file avconv.c.

Referenced by get_format().

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

Definition at line 1485 of file avconv.c.

Referenced by init_input_stream().

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

Definition at line 1523 of file avconv.c.

Referenced by init_input_stream().

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

Definition at line 1533 of file avconv.c.

Referenced by transcode_init().

static InputStream* get_input_stream ( OutputStream ost)
static

Definition at line 1587 of file avconv.c.

Referenced by transcode_init().

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

Definition at line 1604 of file avconv.c.

Referenced by transcode_init().

static void set_encoder_id ( OutputFile of,
OutputStream ost 
)
static

Definition at line 1635 of file avconv.c.

Referenced by transcode_init().

static int transcode_init ( void  )
static

Definition at line 1663 of file avconv.c.

Referenced by transcode().

static int need_output ( void  )
static

Definition at line 2118 of file avconv.c.

Referenced by transcode().

static InputFile* select_input_file ( void  )
static

Definition at line 2143 of file avconv.c.

Referenced by process_input().

static int get_input_packet ( InputFile f,
AVPacket pkt 
)
static

Definition at line 2276 of file avconv.c.

Referenced by process_input().

static int got_eagain ( void  )
static

Definition at line 2296 of file avconv.c.

Referenced by process_input().

static void reset_eagain ( void  )
static

Definition at line 2305 of file avconv.c.

Referenced by process_input().

static int process_input ( void  )
static

Definition at line 2324 of file avconv.c.

Referenced by transcode().

static int transcode ( void  )
static

Definition at line 2456 of file avconv.c.

Referenced by main().

static int64_t getutime ( void  )
static

Definition at line 2572 of file avconv.c.

Referenced by main().

static int64_t getmaxrss ( void  )
static

Definition at line 2590 of file avconv.c.

Referenced by main().

int main ( int  argc,
char **  argv 
)

Definition at line 2608 of file avconv.c.

Variable Documentation

const char program_name[] = "avconv"

program name, defined by the program for show_version().

Definition at line 82 of file avconv.c.

Referenced by main(), show_banner(), show_help_default(), show_license(), show_usage(), and show_version().

const int program_birth_year = 2000

program birth year, defined by the program for show_banner()

Definition at line 83 of file avconv.c.

Referenced by show_banner().

FILE* vstats_file
static

Definition at line 85 of file avconv.c.

Referenced by avconv_cleanup(), and do_video_stats().

int nb_frames_drop = 0
static

Definition at line 87 of file avconv.c.

Referenced by do_video_out(), and print_report().

InputStream** input_streams = NULL

Definition at line 98 of file avconv.c.

Referenced by add_input_streams(), init_input_filter(), open_input_file(), and open_output_file().

int nb_input_streams = 0
InputFile** input_files = NULL
int nb_input_files = 0
OutputStream** output_streams = NULL

Definition at line 103 of file avconv.c.

Referenced by new_output_stream(), and open_output_file().

int nb_output_streams = 0
OutputFile** output_files = NULL
int nb_output_files = 0
FilterGraph** filtergraphs
int nb_filtergraphs
volatile int received_sigterm = 0
static

Definition at line 116 of file avconv.c.

Referenced by avconv_cleanup(), poll_filters(), sigterm_handler(), and transcode().

volatile int received_nb_signals = 0
static

Definition at line 117 of file avconv.c.

Referenced by decode_interrupt_cb(), and sigterm_handler().