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subfile.c File Reference
#include "libavutil/avassert.h"
#include "libavutil/avstring.h"
#include "libavutil/common.h"
#include "libavutil/error.h"
#include "libavutil/opt.h"
#include "url.h"

Go to the source code of this file.

Data Structures

struct  SubfileContext
 

Macros

#define OFFSET(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

◆ OFFSET

#define OFFSET ( field)
Value:
offsetof(SubfileContext, field)

Definition at line 36 of file subfile.c.

◆ D

Definition at line 37 of file subfile.c.

Function Documentation

◆ slave_seek()

static int slave_seek ( URLContext * h)
static

Definition at line 55 of file subfile.c.

Referenced by subfile_open(), and subfile_seek().

◆ subfile_open()

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

Definition at line 70 of file subfile.c.

◆ subfile_close()

static int subfile_close ( URLContext * h)
static

Definition at line 96 of file subfile.c.

◆ subfile_read()

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

Definition at line 102 of file subfile.c.

◆ subfile_seek()

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

Definition at line 117 of file subfile.c.

Variable Documentation

◆ subfile_options

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 }
}
#define D
Definition avdct.c:35
#define NULL
Definition coverity.c:32
#define OFFSET(x)
@ AV_OPT_TYPE_INT64
Underlying C type is int64_t.
Definition opt.h:262

Definition at line 39 of file subfile.c.

◆ subfile_class

const AVClass subfile_class
static
Initial value:
= {
.class_name = "subfile",
.item_name = av_default_item_name,
.option = subfile_options,
}
const char * av_default_item_name(void *ptr)
Return the context name.
Definition log.c:241
#define LIBAVUTIL_VERSION_INT
Definition version.h:85
static const AVOption subfile_options[]
Definition subfile.c:39

Definition at line 48 of file subfile.c.

◆ ff_subfile_protocol

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",
}
static const AVClass subfile_class
Definition subfile.c:48
static int subfile_read(URLContext *h, unsigned char *buf, int size)
Definition subfile.c:102
static int64_t subfile_seek(URLContext *h, int64_t pos, int whence)
Definition subfile.c:117
static int subfile_close(URLContext *h)
Definition subfile.c:96
static int subfile_open(URLContext *h, const char *filename, int flags, AVDictionary **options)
Definition subfile.c:70

Definition at line 150 of file subfile.c.