#include "libavutil/avstring.h"
#include "libavutil/avassert.h"
#include "libavutil/bprint.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/mem.h"
#include "libavutil/opt.h"
#include "libavutil/parseutils.h"
#include "libavutil/timestamp.h"
#include "libavcodec/codec_desc.h"
#include "libavcodec/bsf.h"
#include "avformat.h"
#include "avio_internal.h"
#include "demux.h"
#include "internal.h"
#include "url.h"

Data Structures
struct	ConcatStream

struct	ConcatFile

struct	ConcatContext

struct	ParseSyntax

Macros
#define	FAIL(retcode) do { ret = (retcode); goto fail; } while(0)

#define	MAX_ARGS 3

#define	NEEDS_UNSAFE (1 << 0)

#define	NEEDS_FILE (1 << 1)

#define	NEEDS_STREAM (1 << 2)

#define	OFFSET(x) offsetof(ConcatContext, x)

#define	DEC AV_OPT_FLAG_DECODING_PARAM

Enumerations
enum	ConcatMatchMode { MATCH_ONE_TO_ONE, MATCH_EXACT_ID }

enum	ParseDirective { DIR_FFCONCAT, DIR_FILE, DIR_DURATION, DIR_INPOINT, DIR_OUTPOINT, DIR_FPMETA, DIR_FPMETAS, DIR_OPTION, DIR_STREAM, DIR_EXSID, DIR_STMETA, DIR_STCODEC, DIR_STEDATA, DIR_CHAPTER }

Functions
static int	concat_probe (const AVProbeData *probe)

static char *	get_keyword (uint8_t **cursor)

static int	safe_filename (const char *f)

static int	add_file (AVFormatContext avf, char filename, ConcatFile *rfile, unsigned nb_files_alloc)

static int	copy_stream_props (AVStream st, AVStream source_st)

static int	detect_stream_specific (AVFormatContext *avf, int idx)

static int	match_streams_one_to_one (AVFormatContext *avf)

static int	match_streams_exact_id (AVFormatContext *avf)

static int	match_streams (AVFormatContext *avf)

static int64_t	get_best_effort_duration (ConcatFile file, AVFormatContext avf)

static int	open_file (AVFormatContext *avf, unsigned fileno)

static int	concat_read_close (AVFormatContext *avf)

static int	concat_parse_script (AVFormatContext *avf)

static int	concat_read_header (AVFormatContext *avf)

static int	open_next_file (AVFormatContext *avf)

static int	filter_packet (AVFormatContext avf, ConcatStream cs, AVPacket *pkt)

static int	packet_after_outpoint (ConcatContext cat, AVPacket pkt)

static int	concat_read_packet (AVFormatContext avf, AVPacket pkt)

static int	try_seek (AVFormatContext *avf, int stream, int64_t min_ts, int64_t ts, int64_t max_ts, int flags)

static int	real_seek (AVFormatContext avf, int stream, int64_t min_ts, int64_t ts, int64_t max_ts, int flags, AVFormatContext cur_avf)

static int	concat_seek (AVFormatContext *avf, int stream, int64_t min_ts, int64_t ts, int64_t max_ts, int flags)

Variables
static const ParseSyntax	syntax []

static const AVOption	options []

static const AVClass	concat_class

const FFInputFormat	ff_concat_demuxer

Macro Definition Documentation

◆ FAIL

#define FAIL ( retcode ) do { ret = (retcode); goto fail; } while(0)

Definition at line 113 of file concatdec.c.

◆ MAX_ARGS

#define MAX_ARGS 3

Definition at line 415 of file concatdec.c.

◆ NEEDS_UNSAFE

#define NEEDS_UNSAFE (1 << 0)

Definition at line 416 of file concatdec.c.

◆ NEEDS_FILE

#define NEEDS_FILE (1 << 1)

Definition at line 417 of file concatdec.c.

◆ NEEDS_STREAM

#define NEEDS_STREAM (1 << 2)

Definition at line 418 of file concatdec.c.

◆ OFFSET

#define OFFSET ( x ) offsetof(ConcatContext, x)

Definition at line 932 of file concatdec.c.

◆ DEC

#define DEC AV_OPT_FLAG_DECODING_PARAM

Definition at line 933 of file concatdec.c.

Enumeration Type Documentation

◆ ConcatMatchMode

enum ConcatMatchMode

Enumerator
MATCH_ONE_TO_ONE
MATCH_EXACT_ID

Definition at line 37 of file concatdec.c.

◆ ParseDirective

enum ParseDirective

Enumerator
DIR_FFCONCAT
DIR_FILE
DIR_DURATION
DIR_INPOINT
DIR_OUTPOINT
DIR_FPMETA
DIR_FPMETAS
DIR_OPTION
DIR_STREAM
DIR_EXSID
DIR_STMETA
DIR_STCODEC
DIR_STEDATA
DIR_CHAPTER

Definition at line 426 of file concatdec.c.

Function Documentation

◆ concat_probe()

static int concat_probe ( const AVProbeData * probe )

static

Definition at line 77 of file concatdec.c.

◆ get_keyword()

static char* get_keyword ( uint8_t ** cursor )

static

Definition at line 83 of file concatdec.c.

Referenced by concat_parse_script().

◆ safe_filename()

static int safe_filename ( const char * f )

static

Definition at line 94 of file concatdec.c.

Referenced by add_file().

◆ add_file()

static int add_file	(	AVFormatContext *	avf,
		char *	filename,
		ConcatFile **	rfile,
		unsigned *	nb_files_alloc
	)

static

Definition at line 115 of file concatdec.c.

Referenced by concat_parse_script().

◆ copy_stream_props()

static int copy_stream_props	(	AVStream *	st,
		AVStream *	source_st
	)

static

Definition at line 174 of file concatdec.c.

Referenced by match_streams_exact_id(), and match_streams_one_to_one().

◆ detect_stream_specific()

static int detect_stream_specific	(	AVFormatContext *	avf,
		int	idx
	)

static

Definition at line 201 of file concatdec.c.

Referenced by match_streams().

◆ match_streams_one_to_one()

static int match_streams_one_to_one ( AVFormatContext * avf )

static

Definition at line 243 of file concatdec.c.

Referenced by match_streams().

◆ match_streams_exact_id()

static int match_streams_exact_id ( AVFormatContext * avf )

static

Definition at line 263 of file concatdec.c.

Referenced by match_streams().

◆ match_streams()

static int match_streams ( AVFormatContext * avf )

static

Definition at line 285 of file concatdec.c.

Referenced by concat_read_packet(), and open_file().

◆ get_best_effort_duration()

static int64_t get_best_effort_duration	(	ConcatFile *	file,
		AVFormatContext *	avf
	)

static

Definition at line 322 of file concatdec.c.

Referenced by open_file(), and open_next_file().

◆ open_file()

static int open_file	(	AVFormatContext *	avf,
		unsigned	fileno
	)

static

Definition at line 335 of file concatdec.c.

Referenced by concat_read_header(), open_next_file(), and real_seek().

◆ concat_read_close()

static int concat_read_close ( AVFormatContext * avf )

static

Definition at line 394 of file concatdec.c.

◆ concat_parse_script()

static int concat_parse_script ( AVFormatContext * avf )

static

Definition at line 460 of file concatdec.c.

Referenced by concat_read_header().

◆ concat_read_header()

static int concat_read_header ( AVFormatContext * avf )

static

Definition at line 660 of file concatdec.c.

◆ open_next_file()

static int open_next_file ( AVFormatContext * avf )

static

Definition at line 705 of file concatdec.c.

Referenced by concat_read_packet().

◆ filter_packet()

static int filter_packet	(	AVFormatContext *	avf,
		ConcatStream *	cs,
		AVPacket *	pkt
	)

static

Definition at line 719 of file concatdec.c.

Referenced by concat_read_packet().

◆ packet_after_outpoint()

static int packet_after_outpoint	(	ConcatContext *	cat,
		AVPacket *	pkt
	)

static

Definition at line 744 of file concatdec.c.

Referenced by concat_read_packet().

◆ concat_read_packet()

static int concat_read_packet	(	AVFormatContext *	avf,
		AVPacket *	pkt
	)

static

Definition at line 753 of file concatdec.c.

◆ try_seek()

static int try_seek	(	AVFormatContext *	avf,
		int	stream,
		int64_t	min_ts,
		int64_t	ts,
		int64_t	max_ts,
		int	flags
	)

static

Definition at line 837 of file concatdec.c.

Referenced by real_seek().

◆ real_seek()

static int real_seek	(	AVFormatContext *	avf,
		int	stream,
		int64_t	min_ts,
		int64_t	ts,
		int64_t	max_ts,
		int	flags,
		AVFormatContext *	cur_avf
	)

static

Definition at line 855 of file concatdec.c.

Referenced by concat_seek().

◆ concat_seek()

static int concat_seek	(	AVFormatContext *	avf,
		int	stream,
		int64_t	min_ts,
		int64_t	ts,
		int64_t	max_ts,
		int	flags
	)

static

Definition at line 905 of file concatdec.c.

Variable Documentation

◆ syntax

const ParseSyntax syntax[]

static

Initial value:

= {
    [DIR_FFCONCAT ] = { "ffconcat",             "kk",   0 },
    [DIR_FILE     ] = { "file",                 "s",    0 },
    [DIR_DURATION ] = { "duration",             "d",    NEEDS_FILE },
    [DIR_INPOINT  ] = { "inpoint",              "d",    NEEDS_FILE },
    [DIR_OUTPOINT ] = { "outpoint",             "d",    NEEDS_FILE },
    [DIR_FPMETA   ] = { "file_packet_meta",     "ks",   NEEDS_FILE },
    [DIR_FPMETAS  ] = { "file_packet_metadata", "s",    NEEDS_FILE },
    [DIR_OPTION   ] = { "option",               "ks",   NEEDS_FILE | NEEDS_UNSAFE },
    [DIR_STREAM   ] = { "stream",               "",     0 },
    [DIR_EXSID    ] = { "exact_stream_id",      "i",    NEEDS_STREAM },
    [DIR_STMETA   ] = { "stream_meta",          "ks",   NEEDS_STREAM },
    [DIR_STCODEC  ] = { "stream_codec",         "k",    NEEDS_STREAM },
    [DIR_STEDATA  ] = { "stream_extradata",     "k",    NEEDS_STREAM },
    [DIR_CHAPTER  ] = { "chapter",              "idd",  0 },
}

Definition at line 443 of file concatdec.c.

Referenced by concat_parse_script().

◆ options

const AVOption options[]

static

Initial value:

= {
    { "safe", "enable safe mode",
      OFFSET(safe), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, DEC },
    { "auto_convert", "automatically convert bitstream format",
      OFFSET(auto_convert), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, DEC },
    { "segment_time_metadata", "output file segment start time and duration as packet metadata",
      OFFSET(segment_time_metadata), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, DEC },
    { NULL }
}

Definition at line 935 of file concatdec.c.

Referenced by open_file().

◆ concat_class

const AVClass concat_class

static

Initial value:

= {
    .class_name = "concat demuxer",
    .item_name  = av_default_item_name,
    .option     = options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 945 of file concatdec.c.

◆ ff_concat_demuxer

const FFInputFormat ff_concat_demuxer

Initial value:

= {
    .p.name         = "concat",
    .p.long_name    = NULL_IF_CONFIG_SMALL("Virtual concatenation script"),
    .p.priv_class   = &concat_class,
    .priv_data_size = sizeof(ConcatContext),
    .flags_internal = FF_INFMT_FLAG_INIT_CLEANUP,
    .read_probe     = concat_probe,
    .read_header    = concat_read_header,
    .read_packet    = concat_read_packet,
    .read_close     = concat_read_close,
    .read_seek2     = concat_seek,
}

Definition at line 953 of file concatdec.c.

Data Structures

Macros

Enumerations

Functions

Variables

Macro Definition Documentation

◆ FAIL

◆ MAX_ARGS

◆ NEEDS_UNSAFE

◆ NEEDS_FILE

◆ NEEDS_STREAM

◆ OFFSET

◆ DEC

Enumeration Type Documentation

◆ ConcatMatchMode

◆ ParseDirective

Function Documentation

◆ concat_probe()

◆ get_keyword()

◆ safe_filename()

◆ add_file()

◆ copy_stream_props()

◆ detect_stream_specific()

◆ match_streams_one_to_one()

◆ match_streams_exact_id()

◆ match_streams()

◆ get_best_effort_duration()

◆ open_file()

◆ concat_read_close()

◆ concat_parse_script()

◆ concat_read_header()

◆ open_next_file()

◆ filter_packet()

◆ packet_after_outpoint()

◆ concat_read_packet()

◆ try_seek()

◆ real_seek()

◆ concat_seek()

Variable Documentation

◆ syntax

◆ options

◆ concat_class

◆ ff_concat_demuxer