avconv_opt.c File Reference

#include <stdint.h>
#include "avconv.h"
#include "cmdutils.h"
#include "libavformat/avformat.h"
#include "libavcodec/avcodec.h"
#include "libavfilter/avfilter.h"
#include "libavutil/avassert.h"
#include "libavutil/avstring.h"
#include "libavutil/avutil.h"
#include "libavutil/channel_layout.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/fifo.h"
#include "libavutil/mathematics.h"
#include "libavutil/opt.h"
#include "libavutil/parseutils.h"
#include "libavutil/pixdesc.h"
#include "libavutil/pixfmt.h"
#include "cmdutils_common_opts.h"

Go to the source code of this file.

Macros
#define	MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)
#define	METADATA_CHECK_INDEX(index, nb_elems, desc)
#define	SET_DICT(type, meta, context, index)
#define	NEW_STREAM(type, index)
#define	OFFSET(x)   offsetof(OptionsContext, x)

Enumerations
enum	OptGroup { GROUP_OUTFILE, GROUP_INFILE }

Functions
static void	uninit_options (OptionsContext *o)
static void	init_options (OptionsContext *o)
static AVDictionary *	strip_specifiers (AVDictionary *dict)
static double	parse_frame_aspect_ratio (const char *arg)
static int	opt_audio_codec (void *optctx, const char *opt, const char *arg)
static int	opt_video_codec (void *optctx, const char *opt, const char *arg)
static int	opt_subtitle_codec (void *optctx, const char *opt, const char *arg)
static int	opt_data_codec (void *optctx, const char *opt, const char *arg)
static int	opt_map (void *optctx, const char *opt, const char *arg)
static int	opt_attach (void *optctx, const char *opt, const char *arg)
static void	parse_meta_type (char *arg, char *type, int *index, const char **stream_spec)
	Parse a metadata specifier passed as 'arg' parameter. More...
static int	copy_metadata (char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
static AVCodec *	find_codec_or_die (const char *name, enum AVMediaType type, int encoder)
static AVCodec *	choose_decoder (OptionsContext *o, AVFormatContext *s, AVStream *st)
static void	add_input_streams (OptionsContext *o, AVFormatContext *ic)
static void	assert_file_overwrite (const char *filename)
static void	dump_attachment (AVStream *st, const char *filename)
static int	open_input_file (OptionsContext *o, const char *filename)
static uint8_t *	get_line (AVIOContext *s)
static int	get_preset_file_2 (const char *preset_name, const char *codec_name, AVIOContext **s)
static void	choose_encoder (OptionsContext *o, AVFormatContext *s, OutputStream *ost)
static OutputStream *	new_output_stream (OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
static void	parse_matrix_coeffs (uint16_t *dest, const char *str)
static uint8_t *	read_file (const char *filename)
static char *	get_ost_filters (OptionsContext *o, AVFormatContext *oc, OutputStream *ost)
static OutputStream *	new_video_stream (OptionsContext *o, AVFormatContext *oc)
static OutputStream *	new_audio_stream (OptionsContext *o, AVFormatContext *oc)
static OutputStream *	new_data_stream (OptionsContext *o, AVFormatContext *oc)
static OutputStream *	new_attachment_stream (OptionsContext *o, AVFormatContext *oc)
static OutputStream *	new_subtitle_stream (OptionsContext *o, AVFormatContext *oc)
static int	opt_streamid (void *optctx, const char *opt, const char *arg)
static int	copy_chapters (InputFile *ifile, OutputFile *ofile, int copy_metadata)
static void	init_output_filter (OutputFilter *ofilter, OptionsContext *o, AVFormatContext *oc)
static int	configure_complex_filters (void)
static int	open_output_file (OptionsContext *o, const char *filename)
static int	opt_target (void *optctx, const char *opt, const char *arg)
static int	opt_vstats_file (void *optctx, const char *opt, const char *arg)
static int	opt_vstats (void *optctx, const char *opt, const char *arg)
static int	opt_video_frames (void *optctx, const char *opt, const char *arg)
static int	opt_audio_frames (void *optctx, const char *opt, const char *arg)
static int	opt_data_frames (void *optctx, const char *opt, const char *arg)
static int	opt_video_tag (void *optctx, const char *opt, const char *arg)
static int	opt_audio_tag (void *optctx, const char *opt, const char *arg)
static int	opt_subtitle_tag (void *optctx, const char *opt, const char *arg)
static int	opt_video_filters (void *optctx, const char *opt, const char *arg)
static int	opt_audio_filters (void *optctx, const char *opt, const char *arg)
static int	opt_vsync (void *optctx, const char *opt, const char *arg)
static int	opt_channel_layout (void *optctx, const char *opt, const char *arg)
static int	opt_audio_qscale (void *optctx, const char *opt, const char *arg)
static int	opt_filter_complex (void *optctx, const char *opt, const char *arg)
static int	opt_filter_complex_script (void *optctx, const char *opt, const char *arg)
void	show_help_default (const char *opt, const char *arg)
	Per-avtool specific help handler. More...
void	show_usage (void)
static int	open_files (OptionGroupList *l, const char *inout, int(*open_file)(OptionsContext *, const char *))
int	avconv_parse_options (int argc, char **argv)

Variables
const HWAccel	hwaccels []
char *	vstats_filename
float	audio_drift_threshold = 0.1
float	dts_delta_threshold = 10
int	audio_volume = 256
int	audio_sync_method = 0
int	video_sync_method = VSYNC_AUTO
int	do_benchmark = 0
int	do_hex_dump = 0
int	do_pkt_dump = 0
int	copy_ts = 0
int	copy_tb = 1
int	exit_on_error = 0
int	print_stats = 1
int	qp_hist = 0
static int	file_overwrite = 0
static int	file_skip = 0
static int	video_discard = 0
static int	intra_dc_precision = 8
static int	using_stdin = 0
static int	input_sync
static const OptionGroupDef	groups []
const OptionDef	options []

Macro Definition Documentation

#define MATCH_PER_STREAM_OPT	(		name,
			type,
			outvar,
			fmtctx,
			st
	)

Value:

{\
    int i, ret;\
    for (i = 0; i < o->nb_ ## name; i++) {\
        char *spec = o->name[i].specifier;\
        if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
            outvar = o->name[i].u.type;\
        else if (ret < 0)\
            exit_program(1);\
    }\
}

Definition at line 44 of file avconv_opt.c.

Referenced by add_input_streams(), choose_decoder(), choose_encoder(), get_ost_filters(), new_audio_stream(), new_output_stream(), and new_video_stream().

#define METADATA_CHECK_INDEX	(		index,
			nb_elems,
			desc
	)

Value:

if ((index) < 0 || (index) >= (nb_elems)) {\
        av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
                (desc), (index));\
        exit_program(1);\
    }

#define SET_DICT	(		type,
			meta,
			context,
			index
	)

Value:

switch (type) {\
        case 'g':\
            meta = &context->metadata;\
            break;\
        case 'c':\
            METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
            meta = &context->chapters[index]->metadata;\
            break;\
        case 'p':\
            METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
            meta = &context->programs[index]->metadata;\
            break;\
        case 's':\
            break; /* handled separately below */ \
        default: av_assert0(0);\
        }\

Referenced by copy_metadata().

#define NEW_STREAM	(		type,
			index
	)

Value:

if (index >= 0) {\
            ost = new_ ## type ## _stream(o, oc);\
            ost->source_index = index;\
            ost->sync_ist     = input_streams[index];\
            input_streams[index]->discard = 0;\
            input_streams[index]->st->discard = AVDISCARD_NONE;\
        }

Referenced by open_output_file().

#define OFFSET

(

x

)

offsetof(OptionsContext, x)

Definition at line 2186 of file avconv_opt.c.

Enumeration Type Documentation

enum OptGroup

Enumerator
GROUP_OUTFILE
GROUP_INFILE

Definition at line 2097 of file avconv_opt.c.

Function Documentation

static void uninit_options ( OptionsContext *  o )

static

Definition at line 93 of file avconv_opt.c.

Referenced by open_files().

static void init_options ( OptionsContext *  o )

static

Definition at line 124 of file avconv_opt.c.

Referenced by open_files().

static AVDictionary* strip_specifiers ( AVDictionary *  dict )

static

Definition at line 137 of file avconv_opt.c.

Referenced by open_input_file(), and open_output_file().

static double parse_frame_aspect_ratio ( const char *  arg )

static

Definition at line 154 of file avconv_opt.c.

Referenced by new_video_stream().

static int opt_audio_codec ( void *  optctx, const char *  opt, const char *  arg  )

static

Definition at line 178 of file avconv_opt.c.

Referenced by opt_target().

static int opt_video_codec ( void *  optctx, const char *  opt, const char *  arg  )

static

Definition at line 184 of file avconv_opt.c.

Referenced by opt_target().

static int opt_subtitle_codec ( void *  optctx, const char *  opt, const char *  arg  )

static

Definition at line 190 of file avconv_opt.c.

static int opt_data_codec ( void *  optctx, const char *  opt, const char *  arg  )

static

Definition at line 196 of file avconv_opt.c.

static int opt_map ( void *  optctx, const char *  opt, const char *  arg  )

static

Definition at line 202 of file avconv_opt.c.

static int opt_attach ( void *  optctx, const char *  opt, const char *  arg  )

static

Definition at line 297 of file avconv_opt.c.

static void parse_meta_type ( char *  arg, char *  type, int *  index, const char **  stream_spec  )

static

Parse a metadata specifier passed as 'arg' parameter.

Parameters

arg	metadata string to parse
type	metadata type is written here – g(lobal)/s(tream)/c(hapter)/p(rogram)
index	for type c/p, chapter/program index is written here
stream_spec	for type s, the stream specifier is written here

Definition at line 312 of file avconv_opt.c.

Referenced by copy_metadata(), and open_output_file().

static int copy_metadata ( char *  outspec, char *  inspec, AVFormatContext *  oc, AVFormatContext *  ic, OptionsContext *  o  )

static

Definition at line 339 of file avconv_opt.c.

Referenced by open_output_file().

static AVCodec* find_codec_or_die ( const char *  name, enum AVMediaType  type, int  encoder  )

static

Definition at line 419 of file avconv_opt.c.

Referenced by choose_decoder(), and choose_encoder().

static AVCodec* choose_decoder ( OptionsContext *  o, AVFormatContext *  s, AVStream *  st  )

static

Definition at line 448 of file avconv_opt.c.

Referenced by add_input_streams(), and open_input_file().

static void add_input_streams ( OptionsContext *  o, AVFormatContext *  ic  )

static

Definition at line 463 of file avconv_opt.c.

Referenced by open_input_file().

static void assert_file_overwrite ( const char *  filename )

static

Definition at line 582 of file avconv_opt.c.

Referenced by dump_attachment(), and open_output_file().

static void dump_attachment ( AVStream *  st, const char *  filename  )

static

Definition at line 609 of file avconv_opt.c.

Referenced by open_input_file().

static int open_input_file ( OptionsContext *  o, const char *  filename  )

static

Definition at line 641 of file avconv_opt.c.

Referenced by avconv_parse_options().

static uint8_t* get_line ( AVIOContext *  s )

static

Definition at line 819 of file avconv_opt.c.

Referenced by new_output_stream().

static int get_preset_file_2 ( const char *  preset_name, const char *  codec_name, AVIOContext **  s  )

static

Definition at line 838 of file avconv_opt.c.

Referenced by new_output_stream().

static void choose_encoder ( OptionsContext *  o, AVFormatContext *  s, OutputStream *  ost  )

static

Definition at line 864 of file avconv_opt.c.

Referenced by new_output_stream().

static OutputStream* new_output_stream ( OptionsContext *  o, AVFormatContext *  oc, enum AVMediaType  type  )

static

Definition at line 881 of file avconv_opt.c.

Referenced by new_attachment_stream(), new_audio_stream(), new_data_stream(), new_subtitle_stream(), and new_video_stream().

static void parse_matrix_coeffs ( uint16_t *  dest, const char *  str  )

static

Definition at line 997 of file avconv_opt.c.

Referenced by new_video_stream().

static uint8_t* read_file ( const char *  filename )

static

Definition at line 1015 of file avconv_opt.c.

Referenced by get_ost_filters(), and opt_filter_complex_script().

static char* get_ost_filters ( OptionsContext *  o, AVFormatContext *  oc, OutputStream *  ost  )

static

Definition at line 1043 of file avconv_opt.c.

Referenced by new_audio_stream(), and new_video_stream().

static OutputStream* new_video_stream ( OptionsContext *  o, AVFormatContext *  oc  )

static

Definition at line 1067 of file avconv_opt.c.

Referenced by init_output_filter(), and open_output_file().

static OutputStream* new_audio_stream ( OptionsContext *  o, AVFormatContext *  oc  )

static

Definition at line 1188 of file avconv_opt.c.

Referenced by init_output_filter(), and open_output_file().

static OutputStream* new_data_stream ( OptionsContext *  o, AVFormatContext *  oc  )

static

Definition at line 1222 of file avconv_opt.c.

Referenced by open_output_file().

static OutputStream* new_attachment_stream ( OptionsContext *  o, AVFormatContext *  oc  )

static

Definition at line 1235 of file avconv_opt.c.

Referenced by open_output_file().

static OutputStream* new_subtitle_stream ( OptionsContext *  o, AVFormatContext *  oc  )

static

Definition at line 1243 of file avconv_opt.c.

Referenced by open_output_file().

static int opt_streamid ( void *  optctx, const char *  opt, const char *  arg  )

static

Definition at line 1257 of file avconv_opt.c.

static int copy_chapters ( InputFile *  ifile, OutputFile *  ofile, int  copy_metadata  )

static

Definition at line 1279 of file avconv_opt.c.

Referenced by open_output_file().

static void init_output_filter ( OutputFilter *  ofilter, OptionsContext *  o, AVFormatContext *  oc  )

static

Definition at line 1322 of file avconv_opt.c.

Referenced by open_output_file().

static int configure_complex_filters ( void  )

static

Definition at line 1356 of file avconv_opt.c.

Referenced by open_output_file().

static int open_output_file ( OptionsContext *  o, const char *  filename  )

static

Definition at line 1367 of file avconv_opt.c.

Referenced by avconv_parse_options().

static int opt_target ( void *  optctx, const char *  opt, const char *  arg  )

static

Definition at line 1738 of file avconv_opt.c.

static int opt_vstats_file ( void *  optctx, const char *  opt, const char *  arg  )

static

Definition at line 1880 of file avconv_opt.c.

Referenced by opt_vstats().

static int opt_vstats ( void *  optctx, const char *  opt, const char *  arg  )

static

Definition at line 1887 of file avconv_opt.c.

static int opt_video_frames ( void *  optctx, const char *  opt, const char *  arg  )

static

Definition at line 1898 of file avconv_opt.c.

static int opt_audio_frames ( void *  optctx, const char *  opt, const char *  arg  )

static

Definition at line 1904 of file avconv_opt.c.

static int opt_data_frames ( void *  optctx, const char *  opt, const char *  arg  )

static

Definition at line 1910 of file avconv_opt.c.

static int opt_video_tag ( void *  optctx, const char *  opt, const char *  arg  )

static

Definition at line 1916 of file avconv_opt.c.

static int opt_audio_tag ( void *  optctx, const char *  opt, const char *  arg  )

static

Definition at line 1922 of file avconv_opt.c.

static int opt_subtitle_tag ( void *  optctx, const char *  opt, const char *  arg  )

static

Definition at line 1928 of file avconv_opt.c.

static int opt_video_filters ( void *  optctx, const char *  opt, const char *  arg  )

static

Definition at line 1934 of file avconv_opt.c.

static int opt_audio_filters ( void *  optctx, const char *  opt, const char *  arg  )

static

Definition at line 1940 of file avconv_opt.c.

static int opt_vsync ( void *  optctx, const char *  opt, const char *  arg  )

static

Definition at line 1946 of file avconv_opt.c.

static int opt_channel_layout ( void *  optctx, const char *  opt, const char *  arg  )

static

Definition at line 1957 of file avconv_opt.c.

static int opt_audio_qscale ( void *  optctx, const char *  opt, const char *  arg  )

static

Definition at line 1993 of file avconv_opt.c.

static int opt_filter_complex ( void *  optctx, const char *  opt, const char *  arg  )

static

Definition at line 1999 of file avconv_opt.c.

static int opt_filter_complex_script ( void *  optctx, const char *  opt, const char *  arg  )

static

Definition at line 2011 of file avconv_opt.c.

void show_help_default	(	const char *	opt,
		const char *	arg
	)

Per-avtool specific help handler.

Implemented in each avtool, called by show_help().

Definition at line 2025 of file avconv_opt.c.

Referenced by show_help().

void show_usage

(

void

)

Definition at line 2090 of file avconv_opt.c.

Referenced by main(), and show_help_default().

static int open_files ( OptionGroupList *  l, const char *  inout, int(*)(OptionsContext *, const char *)  open_file  )

static

Definition at line 2107 of file avconv_opt.c.

Referenced by avconv_parse_options().

int avconv_parse_options	(	int	argc,
		char **	argv
	)

Definition at line 2140 of file avconv_opt.c.

Referenced by main().

Variable Documentation

const HWAccel hwaccels[]

Initial value:

= {









    { 0 },
}

Definition at line 56 of file avconv_opt.c.

Referenced by get_hwaccel().

char* vstats_filename

Definition at line 69 of file avconv_opt.c.

Referenced by avconv_cleanup(), do_video_stats(), opt_vstats_file(), and poll_filter().

float audio_drift_threshold = 0.1

Definition at line 71 of file avconv_opt.c.

Referenced by configure_input_audio_filter().

float dts_delta_threshold = 10

Definition at line 72 of file avconv_opt.c.

Referenced by process_input().

int audio_volume = 256

Definition at line 74 of file avconv_opt.c.

Referenced by configure_input_audio_filter(), and transcode_init().

int audio_sync_method = 0

Definition at line 75 of file avconv_opt.c.

Referenced by configure_input_audio_filter(), and do_audio_out().

int video_sync_method = VSYNC_AUTO

Definition at line 76 of file avconv_opt.c.

Referenced by do_video_out(), opt_vsync(), and transcode_init().

int do_benchmark = 0

Definition at line 77 of file avconv_opt.c.

Referenced by main().

int do_hex_dump = 0

Definition at line 78 of file avconv_opt.c.

Referenced by process_input().

int do_pkt_dump = 0

Definition at line 79 of file avconv_opt.c.

Referenced by process_input().

int copy_ts = 0

Definition at line 80 of file avconv_opt.c.

Referenced by open_input_file(), and process_input().

int copy_tb = 1

Definition at line 81 of file avconv_opt.c.

Referenced by transcode_init().

int exit_on_error = 0

Definition at line 82 of file avconv_opt.c.

Referenced by do_subtitle_out(), process_input(), and write_frame().

int print_stats = 1

Definition at line 83 of file avconv_opt.c.

Referenced by print_report().

int qp_hist = 0

Definition at line 84 of file avconv_opt.c.

Referenced by print_report().

int file_overwrite = 0

static

Definition at line 86 of file avconv_opt.c.

Referenced by assert_file_overwrite().

int file_skip = 0

static

Definition at line 87 of file avconv_opt.c.

Referenced by assert_file_overwrite().

int video_discard = 0

static

Definition at line 88 of file avconv_opt.c.

int intra_dc_precision = 8

static

Definition at line 89 of file avconv_opt.c.

Referenced by new_video_stream().

int using_stdin = 0

static

Definition at line 90 of file avconv_opt.c.

Referenced by assert_file_overwrite(), and open_input_file().

int input_sync

static

Definition at line 91 of file avconv_opt.c.

const OptionGroupDef groups[]

static

Initial value:

= {
    [GROUP_OUTFILE] = { "output file",  NULL, OPT_OUTPUT },
    [GROUP_INFILE]  = { "input file",   "i",  OPT_INPUT },
}

Definition at line 2102 of file avconv_opt.c.

const OptionDef options[]

Definition at line 2187 of file avconv_opt.c.

Referenced by avconv_parse_options(), avfilter_init_str(), main(), opt_audio_codec(), opt_audio_filters(), opt_audio_frames(), opt_audio_qscale(), opt_audio_tag(), opt_channel_layout(), opt_data_codec(), opt_data_frames(), opt_subtitle_codec(), opt_subtitle_tag(), opt_target(), opt_video_codec(), opt_video_filters(), opt_video_frames(), opt_video_tag(), show_help_default(), and uninit_options().