subfile.c File Reference

#include "libavutil/avassert.h"
#include "libavutil/avstring.h"
#include "libavutil/opt.h"
#include "avformat.h"
#include "url.h"

Go to the source code of this file.

Data Structures
struct	SubfileContext

Macros
#define	OFFSET(field)   offsetof(SubfileContext, field)
#define	D   AV_OPT_FLAG_DECODING_PARAM

Functions
static int	slave_seek (URLContext *h)
static int	subfile_open (URLContext *h, const char *filename, int flags, AVDictionary **options)
static int	subfile_close (URLContext *h)
static int	subfile_read (URLContext *h, unsigned char *buf, int size)
static int64_t	subfile_seek (URLContext *h, int64_t pos, int whence)

Variables
static const AVOption	subfile_options []
static const AVClass	subfile_class
const URLProtocol	ff_subfile_protocol

Macro Definition Documentation

#define OFFSET

(

field

)

offsetof(SubfileContext, field)

Definition at line 35 of file subfile.c.

#define D   AV_OPT_FLAG_DECODING_PARAM

Definition at line 36 of file subfile.c.

Function Documentation

static int slave_seek ( URLContext *  h )

static

Definition at line 54 of file subfile.c.

Referenced by subfile_open(), and subfile_seek().

static int subfile_open ( URLContext *  h, const char *  filename, int  flags, AVDictionary **  options  )

static

Definition at line 69 of file subfile.c.

static int subfile_close ( URLContext *  h )

static

Definition at line 95 of file subfile.c.

static int subfile_read ( URLContext *  h, unsigned char *  buf, int  size  )

static

Definition at line 101 of file subfile.c.

static int64_t subfile_seek ( URLContext *  h, int64_t  pos, int  whence  )

static

Definition at line 116 of file subfile.c.

Variable Documentation

const AVOption subfile_options[]

static

Initial value:

= {
    { "start", "start offset", OFFSET(start), AV_OPT_TYPE_INT64, {.i64 = 0}, 0, INT64_MAX, D },
    { "end",   "end offset",   OFFSET(end),   AV_OPT_TYPE_INT64, {.i64 = 0}, 0, INT64_MAX, D },
    { NULL }
}

Definition at line 38 of file subfile.c.

const AVClass subfile_class

static

Initial value:

= {
    .class_name = "subfile",
    .item_name  = av_default_item_name,
    .option     = subfile_options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 47 of file subfile.c.

const URLProtocol ff_subfile_protocol

Initial value:

= {
    .name                = "subfile",
    .url_open2           = subfile_open,
    .url_read            = subfile_read,
    .url_seek            = subfile_seek,
    .url_close           = subfile_close,
    .priv_data_size      = sizeof(SubfileContext),
    .priv_data_class     = &subfile_class,
    .default_whitelist   = "file",
}

Definition at line 143 of file subfile.c.