segment.c File Reference

#include <float.h>
#include "avformat.h"
#include "internal.h"
#include "libavutil/avassert.h"
#include "libavutil/log.h"
#include "libavutil/opt.h"
#include "libavutil/avstring.h"
#include "libavutil/parseutils.h"
#include "libavutil/mathematics.h"
#include "libavutil/timestamp.h"

Include dependency graph for segment.c:

Go to the source code of this file.

Data Structures
struct	SegmentListEntry
struct	SegmentContext

Macros
#define	SEGMENT_LIST_FLAG_CACHE   1
#define	SEGMENT_LIST_FLAG_LIVE   2
#define	FAIL(err)   ret = err; goto end
#define	FAIL(err)   ret = err; goto end
#define	OFFSET(x)   offsetof(SegmentContext, x)
#define	E   AV_OPT_FLAG_ENCODING_PARAM

Typedefs
typedef struct SegmentListEntry	SegmentListEntry

Enumerations
enum	ListType {   LIST_TYPE_UNDEFINED = -1, LIST_TYPE_FLAT = 0, LIST_TYPE_CSV, LIST_TYPE_M3U8,   LIST_TYPE_EXT, LIST_TYPE_FFCONCAT, LIST_TYPE_NB }

Functions
static void	print_csv_escaped_str (AVIOContext *ctx, const char *str)
static int	segment_mux_init (AVFormatContext *s)
static int	set_segment_filename (AVFormatContext *s)
static int	segment_start (AVFormatContext *s, int write_header)
static int	segment_list_open (AVFormatContext *s)
static void	segment_list_print_entry (AVIOContext *list_ioctx, ListType list_type, const SegmentListEntry *list_entry, void *log_ctx)
static int	segment_end (AVFormatContext *s, int write_trailer, int is_last)
static int	parse_times (void *log_ctx, int64_t **times, int *nb_times, const char *times_str)
static int	parse_frames (void *log_ctx, int **frames, int *nb_frames, const char *frames_str)
static int	open_null_ctx (AVIOContext **ctx)
static void	close_null_ctx (AVIOContext *pb)
static int	select_reference_stream (AVFormatContext *s)
static int	seg_write_header (AVFormatContext *s)
static int	seg_write_packet (AVFormatContext *s, AVPacket *pkt)
static int	seg_write_trailer (struct AVFormatContext *s)

Variables
static const AVOption	options []
static const AVClass	seg_class
AVOutputFormat	ff_segment_muxer
static const AVClass	sseg_class
AVOutputFormat	ff_stream_segment_muxer

Macro Definition Documentation

#define E   AV_OPT_FLAG_ENCODING_PARAM

Definition at line 766 of file segment.c.

#define FAIL

(

err

)

ret = err; goto end

Referenced by parse_frames(), and parse_times().

#define FAIL

(

err

)

ret = err; goto end

#define OFFSET

(

x

)

offsetof(SegmentContext, x)

Definition at line 765 of file segment.c.

#define SEGMENT_LIST_FLAG_CACHE   1

Definition at line 60 of file segment.c.

Referenced by segment_list_open().

#define SEGMENT_LIST_FLAG_LIVE   2

Definition at line 61 of file segment.c.

Typedef Documentation

typedef struct SegmentListEntry SegmentListEntry

Enumeration Type Documentation

enum ListType

Enumerator
LIST_TYPE_UNDEFINED
LIST_TYPE_FLAT
LIST_TYPE_CSV
LIST_TYPE_M3U8
LIST_TYPE_EXT	deprecated
LIST_TYPE_FFCONCAT
LIST_TYPE_NB

Definition at line 50 of file segment.c.

Function Documentation

static void close_null_ctx ( AVIOContext *  pb )

static

Definition at line 459 of file segment.c.

Referenced by seg_write_header(), and seg_write_trailer().

static int open_null_ctx ( AVIOContext **  ctx )

static

Definition at line 445 of file segment.c.

Referenced by seg_write_header(), and seg_write_trailer().

static int parse_frames ( void *  log_ctx, int **  frames, int *  nb_frames, const char *  frames_str  )

static

Definition at line 386 of file segment.c.

Referenced by seg_write_header().

static int parse_times ( void *  log_ctx, int64_t **  times, int *  nb_times, const char *  times_str  )

static

Definition at line 328 of file segment.c.

Referenced by seg_write_header().

static void print_csv_escaped_str ( AVIOContext *  ctx, const char *  str  )

static

Definition at line 104 of file segment.c.

Referenced by segment_list_print_entry().

static int seg_write_header ( AVFormatContext *  s )

static

Definition at line 522 of file segment.c.

static int seg_write_packet ( AVFormatContext *  s, AVPacket *  pkt  )

static

Definition at line 642 of file segment.c.

static int seg_write_trailer ( struct AVFormatContext *  s )

static

Definition at line 730 of file segment.c.

static int segment_end ( AVFormatContext *  s, int  write_trailer, int  is_last  )

static

Definition at line 272 of file segment.c.

Referenced by seg_write_packet(), and seg_write_trailer().

static int segment_list_open ( AVFormatContext *  s )

static

Definition at line 207 of file segment.c.

Referenced by seg_write_header(), and segment_end().

static void segment_list_print_entry ( AVIOContext *  list_ioctx, ListType  list_type, const SegmentListEntry *  list_entry, void *  log_ctx  )

static

Definition at line 237 of file segment.c.

Referenced by segment_end().

static int segment_mux_init ( AVFormatContext *  s )

static

Definition at line 120 of file segment.c.

Referenced by seg_write_header(), and segment_start().

static int segment_start ( AVFormatContext *  s, int  write_header  )

static

Definition at line 172 of file segment.c.

Referenced by seg_write_packet().

static int select_reference_stream ( AVFormatContext *  s )

static

Definition at line 465 of file segment.c.

Referenced by seg_write_header().

static int set_segment_filename ( AVFormatContext *  s )

static

Definition at line 156 of file segment.c.

Referenced by seg_write_header(), and segment_start().

Variable Documentation

AVOutputFormat ff_segment_muxer

Initial value:

= {
    .name           = "segment",
    .long_name      = NULL_IF_CONFIG_SMALL("segment"),
    .priv_data_size = sizeof(SegmentContext),
    .flags          = AVFMT_NOFILE|AVFMT_GLOBALHEADER,
    .write_header   = seg_write_header,
    .write_packet   = seg_write_packet,
    .write_trailer  = seg_write_trailer,
    .priv_class     = &seg_class,
}

Definition at line 806 of file segment.c.

AVOutputFormat ff_stream_segment_muxer

Initial value:

= {
    .name           = "stream_segment,ssegment",
    .long_name      = NULL_IF_CONFIG_SMALL("streaming segment muxer"),
    .priv_data_size = sizeof(SegmentContext),
    .flags          = AVFMT_NOFILE,
    .write_header   = seg_write_header,
    .write_packet   = seg_write_packet,
    .write_trailer  = seg_write_trailer,
    .priv_class     = &sseg_class,
}

Definition at line 824 of file segment.c.

const AVOption options[]

static

Definition at line 767 of file segment.c.

const AVClass seg_class

static

Initial value:

= {
    .class_name = "segment muxer",
    .item_name  = av_default_item_name,
    .option     = options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 799 of file segment.c.

const AVClass sseg_class

static

Initial value:

= {
    .class_name = "stream_segment muxer",
    .item_name  = av_default_item_name,
    .option     = options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 817 of file segment.c.