ffmpeg_opt.c File Reference

#include <stdint.h>
#include "ffmpeg.h"
#include "cmdutils.h"
#include "libavformat/avformat.h"
#include "libavcodec/avcodec.h"
#include "libavfilter/avfilter.h"
#include "libavfilter/avfiltergraph.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	MATCH_PER_TYPE_OPT(name, type, outvar, fmtctx, mediatype)
#define	METADATA_CHECK_INDEX(index, nb_elems, desc)
#define	SET_DICT(type, meta, context, index)
#define	OFFSET(x)   offsetof(OptionsContext, x)

Enumerations
enum	OptGroup { GROUP_OUTFILE, GROUP_INFILE }

Functions
static void	uninit_options (OptionsContext *o, int is_input)
static void	init_options (OptionsContext *o, int is_input)
static int	opt_sameq (void *optctx, const char *opt, const char *arg)
static int	opt_video_channel (void *optctx, const char *opt, const char *arg)
static int	opt_video_standard (void *optctx, const char *opt, 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 int	opt_map_channel (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.
static int	copy_metadata (char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
static int	opt_recording_timestamp (void *optctx, const char *opt, const char *arg)
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, int source_index)
static void	parse_matrix_coeffs (uint16_t *dest, const char *str)
static OutputStream *	new_video_stream (OptionsContext *o, AVFormatContext *oc, int source_index)
static OutputStream *	new_audio_stream (OptionsContext *o, AVFormatContext *oc, int source_index)
static OutputStream *	new_data_stream (OptionsContext *o, AVFormatContext *oc, int source_index)
static OutputStream *	new_attachment_stream (OptionsContext *o, AVFormatContext *oc, int source_index)
static OutputStream *	new_subtitle_stream (OptionsContext *o, AVFormatContext *oc, int source_index)
static int	opt_streamid (void *optctx, const char *opt, const char *arg)
static int	copy_chapters (InputFile *ifile, OutputFile *ofile, int copy_metadata)
static int	read_ffserver_streams (OptionsContext *o, AVFormatContext *s, const char *filename)
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_default_new (OptionsContext *o, const char *opt, const char *arg)
static int	opt_preset (void *optctx, const char *opt, const char *arg)
static int	opt_old2new (void *optctx, const char *opt, const char *arg)
static int	opt_bitrate (void *optctx, const char *opt, const char *arg)
static int	opt_qscale (void *optctx, const char *opt, const char *arg)
static int	opt_profile (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_timecode (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)
void	show_help_default (const char *opt, const char *arg)
	Per-fftool specific help handler.
void	show_usage (void)
static int	open_files (OptionGroupList *l, const char *inout, int(*open_file)(OptionsContext *, const char *))
int	ffmpeg_parse_options (int argc, char **argv)
static int	opt_progress (void *optctx, const char *opt, const char *arg)

Variables
char *	vstats_filename
float	audio_drift_threshold = 0.1
float	dts_delta_threshold = 10
float	dts_error_threshold = 3600*30
int	audio_volume = 256
int	audio_sync_method = 0
int	video_sync_method = VSYNC_AUTO
int	do_deinterlace = 0
int	do_benchmark = 0
int	do_benchmark_all = 0
int	do_hex_dump = 0
int	do_pkt_dump = 0
int	copy_ts = 0
int	copy_tb = -1
int	debug_ts = 0
int	exit_on_error = 0
int	print_stats = -1
int	qp_hist = 0
int	stdin_interaction = 1
int	frame_bits_per_raw_sample = 0
static int	intra_only = 0
static int	file_overwrite = 0
static int	no_file_overwrite = 0
static int	video_discard = 0
static int	intra_dc_precision = 8
static int	do_psnr = 0
static int	input_sync
static int64_t	recording_time = INT64_MAX
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(1);\
    }\
}

Definition at line 45 of file ffmpeg_opt.c.

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

#define MATCH_PER_TYPE_OPT	(		name,
			type,
			outvar,
			fmtctx,
			mediatype
	)

Value:

{\
    int i;\
    for (i = 0; i < o->nb_ ## name; i++) {\
        char *spec = o->name[i].specifier;\
        if (!strcmp(spec, mediatype))\
            outvar = o->name[i].u.type;\
    }\
}

Definition at line 57 of file ffmpeg_opt.c.

Referenced by open_input_file(), open_output_file(), and opt_preset().

#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(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 OFFSET

(

x

)

offsetof(OptionsContext, x)

Definition at line 2383 of file ffmpeg_opt.c.

Enumeration Type Documentation

enum OptGroup

Enumerator:

GROUP_OUTFILE
GROUP_INFILE

Definition at line 2277 of file ffmpeg_opt.c.

Function Documentation

static void uninit_options ( OptionsContext *  o, int  is_input  )

static

Definition at line 100 of file ffmpeg_opt.c.

Referenced by open_files().

static void init_options ( OptionsContext *  o, int  is_input  )

static

Definition at line 137 of file ffmpeg_opt.c.

Referenced by open_files().

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

static

Definition at line 154 of file ffmpeg_opt.c.

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

static

Definition at line 163 of file ffmpeg_opt.c.

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

static

Definition at line 169 of file ffmpeg_opt.c.

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

static

Definition at line 175 of file ffmpeg_opt.c.

Referenced by opt_preset(), and opt_target().

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

static

Definition at line 181 of file ffmpeg_opt.c.

Referenced by opt_preset(), and opt_target().

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

static

Definition at line 187 of file ffmpeg_opt.c.

Referenced by opt_preset().

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

static

Definition at line 193 of file ffmpeg_opt.c.

Referenced by opt_preset().

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

static

Definition at line 199 of file ffmpeg_opt.c.

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

static

Definition at line 294 of file ffmpeg_opt.c.

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

static

Definition at line 302 of file ffmpeg_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 368 of file ffmpeg_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 395 of file ffmpeg_opt.c.

Referenced by open_output_file().

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

static

Definition at line 485 of file ffmpeg_opt.c.

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

static

Definition at line 499 of file ffmpeg_opt.c.

Referenced by choose_decoder(), choose_encoder(), and open_input_file().

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

static

Definition at line 528 of file ffmpeg_opt.c.

Referenced by add_input_streams(), and open_input_file().

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

static

Definition at line 543 of file ffmpeg_opt.c.

Referenced by open_input_file().

static void assert_file_overwrite ( const char *  filename )

static

Definition at line 634 of file ffmpeg_opt.c.

Referenced by dump_attachment(), and open_output_file().

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

static

Definition at line 659 of file ffmpeg_opt.c.

Referenced by open_input_file().

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

static

Definition at line 691 of file ffmpeg_opt.c.

Referenced by ffmpeg_parse_options().

static uint8_t* get_line ( AVIOContext *  s )

static

Definition at line 841 of file ffmpeg_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 860 of file ffmpeg_opt.c.

Referenced by new_output_stream().

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

static

Definition at line 886 of file ffmpeg_opt.c.

Referenced by new_output_stream().

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

static

Definition at line 903 of file ffmpeg_opt.c.

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

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

static

Definition at line 1025 of file ffmpeg_opt.c.

Referenced by new_video_stream().

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

static

Definition at line 1042 of file ffmpeg_opt.c.

Referenced by init_output_filter(), and open_output_file().

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

static

Definition at line 1184 of file ffmpeg_opt.c.

Referenced by init_output_filter(), and open_output_file().

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

static

Definition at line 1236 of file ffmpeg_opt.c.

Referenced by open_output_file().

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

static

Definition at line 1249 of file ffmpeg_opt.c.

Referenced by open_output_file().

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

static

Definition at line 1256 of file ffmpeg_opt.c.

Referenced by open_output_file().

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

static

Definition at line 1284 of file ffmpeg_opt.c.

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

static

Definition at line 1306 of file ffmpeg_opt.c.

Referenced by open_output_file().

static int read_ffserver_streams ( OptionsContext *  o, AVFormatContext *  s, const char *  filename  )

static

Definition at line 1348 of file ffmpeg_opt.c.

Referenced by open_output_file().

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

static

Definition at line 1391 of file ffmpeg_opt.c.

Referenced by open_output_file().

static int configure_complex_filters ( void  )

static

Definition at line 1425 of file ffmpeg_opt.c.

Referenced by open_output_file().

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

static

Definition at line 1436 of file ffmpeg_opt.c.

Referenced by ffmpeg_parse_options().

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

static

Definition at line 1817 of file ffmpeg_opt.c.

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

static

Definition at line 1956 of file ffmpeg_opt.c.

Referenced by opt_vstats().

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

static

Definition at line 1963 of file ffmpeg_opt.c.

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

static

Definition at line 1974 of file ffmpeg_opt.c.

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

static

Definition at line 1980 of file ffmpeg_opt.c.

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

static

Definition at line 1986 of file ffmpeg_opt.c.

static int opt_default_new ( OptionsContext *  o, const char *  opt, const char *  arg  )

static

Definition at line 1992 of file ffmpeg_opt.c.

Referenced by opt_channel_layout(), and opt_preset().

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

static

Definition at line 2012 of file ffmpeg_opt.c.

static int opt_old2new ( void *  optctx, const char *  opt, const char *  arg  )

static

Definition at line 2060 of file ffmpeg_opt.c.

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

static

Definition at line 2069 of file ffmpeg_opt.c.

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

static

Definition at line 2081 of file ffmpeg_opt.c.

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

static

Definition at line 2096 of file ffmpeg_opt.c.

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

static

Definition at line 2108 of file ffmpeg_opt.c.

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

static

Definition at line 2114 of file ffmpeg_opt.c.

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

static

Definition at line 2120 of file ffmpeg_opt.c.

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

static

Definition at line 2141 of file ffmpeg_opt.c.

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

static

Definition at line 2152 of file ffmpeg_opt.c.

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

static

Definition at line 2188 of file ffmpeg_opt.c.

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

static

Definition at line 2194 of file ffmpeg_opt.c.

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

Per-fftool specific help handler.

Implemented in each fftool, called by show_help().

Definition at line 2204 of file ffmpeg_opt.c.

void show_usage

(

void

)

Definition at line 2270 of file ffmpeg_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 2287 of file ffmpeg_opt.c.

Referenced by ffmpeg_parse_options().

int ffmpeg_parse_options	(	int	argc,
		char **	argv
	)

Definition at line 2320 of file ffmpeg_opt.c.

Referenced by main().

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

static

Definition at line 2366 of file ffmpeg_opt.c.

Variable Documentation

char* vstats_filename

Definition at line 66 of file ffmpeg_opt.c.

Referenced by do_video_out(), do_video_stats(), exit_program(), flush_encoders(), and opt_vstats_file().

float audio_drift_threshold = 0.1

Definition at line 68 of file ffmpeg_opt.c.

Referenced by configure_input_audio_filter().

float dts_delta_threshold = 10

Definition at line 69 of file ffmpeg_opt.c.

Referenced by process_input().

float dts_error_threshold = 3600*30

Definition at line 70 of file ffmpeg_opt.c.

Referenced by do_video_out(), and process_input().

int audio_volume = 256

Definition at line 72 of file ffmpeg_opt.c.

Referenced by configure_input_audio_filter(), configure_output_audio_filter(), and transcode_init().

int audio_sync_method = 0

Definition at line 73 of file ffmpeg_opt.c.

Referenced by configure_input_audio_filter(), do_audio_out(), and write_frame().

int video_sync_method = VSYNC_AUTO

Definition at line 74 of file ffmpeg_opt.c.

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

int do_deinterlace = 0

Definition at line 75 of file ffmpeg_opt.c.

Referenced by init_input_stream().

int do_benchmark = 0

Definition at line 76 of file ffmpeg_opt.c.

Referenced by exit_program(), and main().

int do_benchmark_all = 0

Definition at line 77 of file ffmpeg_opt.c.

Referenced by update_benchmark().

int do_hex_dump = 0

Definition at line 78 of file ffmpeg_opt.c.

Referenced by check_keyboard_interaction(), and process_input().

int do_pkt_dump = 0

Definition at line 79 of file ffmpeg_opt.c.

Referenced by check_keyboard_interaction(), and process_input().

int copy_ts = 0

Definition at line 80 of file ffmpeg_opt.c.

Referenced by open_input_file(), and process_input().

int copy_tb = -1

Definition at line 81 of file ffmpeg_opt.c.

Referenced by transcode_init().

int debug_ts = 0

Definition at line 82 of file ffmpeg_opt.c.

Referenced by decode_video(), do_audio_out(), do_video_out(), process_input(), and write_frame().

int exit_on_error = 0

Definition at line 83 of file ffmpeg_opt.c.

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

int print_stats = -1

Definition at line 84 of file ffmpeg_opt.c.

Referenced by print_report(), and uninit().

int qp_hist = 0

Definition at line 85 of file ffmpeg_opt.c.

Referenced by check_keyboard_interaction(), and print_report().

int stdin_interaction = 1

Definition at line 86 of file ffmpeg_opt.c.

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

int frame_bits_per_raw_sample = 0

Definition at line 87 of file ffmpeg_opt.c.

Referenced by new_video_stream(), and transcode_init().

int intra_only = 0

static

Definition at line 90 of file ffmpeg_opt.c.

Referenced by build_frame_code(), and new_video_stream().

int file_overwrite = 0

static

Definition at line 91 of file ffmpeg_opt.c.

Referenced by assert_file_overwrite().

int no_file_overwrite = 0

static

Definition at line 92 of file ffmpeg_opt.c.

Referenced by assert_file_overwrite().

int video_discard = 0

static

Definition at line 93 of file ffmpeg_opt.c.

int intra_dc_precision = 8

static

Definition at line 94 of file ffmpeg_opt.c.

Referenced by new_video_stream().

int do_psnr = 0

static

Definition at line 95 of file ffmpeg_opt.c.

Referenced by new_video_stream().

int input_sync

static

Definition at line 96 of file ffmpeg_opt.c.

int64_t recording_time = INT64_MAX

static

Definition at line 98 of file ffmpeg_opt.c.

Referenced by init_options(), and uninit_options().

const OptionGroupDef groups[]

static

Initial value:

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

Definition at line 2282 of file ffmpeg_opt.c.

const OptionDef options[]

Definition at line 2384 of file ffmpeg_opt.c.

Referenced by ffmpeg_parse_options(), main(), open_slave(), opt_audio_codec(), opt_audio_filters(), opt_audio_frames(), opt_audio_qscale(), opt_channel_layout(), opt_data_codec(), opt_data_frames(), opt_old2new(), opt_qscale(), opt_recording_timestamp(), opt_subtitle_codec(), opt_target(), opt_timecode(), opt_video_codec(), opt_video_filters(), opt_video_frames(), pp_get_mode_by_name_and_quality(), read_ffserver_streams(), show_help_default(), and uninit_options().