file.c File Reference

#include <string.h>
#include "config_components.h"
#include "libavutil/avstring.h"
#include "libavutil/error.h"
#include "libavutil/file_open.h"
#include "libavutil/internal.h"
#include "libavutil/mem.h"
#include "libavutil/opt.h"
#include "avio.h"
#include <fcntl.h>
#include <sys/stat.h>
#include <stdlib.h>
#include "os_support.h"
#include "url.h"

Go to the source code of this file.

Data Structures
struct	FileContext

Macros
#define	S_ISFIFO(m)
#define	S_ISLNK(m)
#define	S_ISSOCK(m)
#define	S_ISREG(m)
#define	S_ISBLK(m)

Functions
static int	file_read (URLContext *h, unsigned char *buf, int size)
static int	file_write (URLContext *h, const unsigned char *buf, int size)
static int	file_get_handle (URLContext *h)
static int	file_check (URLContext *h, int mask)
static int	file_close (URLContext *h)
static int64_t	file_seek (URLContext *h, int64_t pos, int whence)

Variables
static const AVOption	file_options []
static const AVOption	pipe_options []
static const AVClass	file_class
static const AVClass	pipe_class
static const AVClass	fd_class

Macro Definition Documentation

S_ISFIFO

#define S_ISFIFO

(

m

)

Value:

0

Definition at line 53 of file file.c.

Referenced by file_seek().

S_ISLNK

#define S_ISLNK

(

m

)

Value:

0

Definition at line 62 of file file.c.

S_ISSOCK

#define S_ISSOCK

(

m

)

Value:

0

Definition at line 71 of file file.c.

S_ISREG

#define S_ISREG

(

m

)

Value:

0

Definition at line 80 of file file.c.

S_ISBLK

#define S_ISBLK

(

m

)

Value:

0

Definition at line 89 of file file.c.

Function Documentation

file_read()

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

static

Definition at line 144 of file file.c.

file_write()

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

static

Definition at line 157 of file file.c.

file_get_handle()

static int file_get_handle ( URLContext * h )

static

Definition at line 166 of file file.c.

file_check()

static int file_check ( URLContext * h, int mask )

static

Definition at line 172 of file file.c.

file_close()

static int file_close ( URLContext * h )

static

Definition at line 226 of file file.c.

file_seek()

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

static

Definition at line 234 of file file.c.

Variable Documentation

file_options

const AVOption file_options[]

static

Initial value:

= {
    { "truncate", "truncate existing files on write",  0x42 , AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, AV_OPT_FLAG_ENCODING_PARAM },
    { "blocksize", "set I/O operation maximum block size",  0x42 , AV_OPT_TYPE_INT, { .i64 = INT_MAX }, 1, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
    { "follow", "Follow a file as it is being written",  0x42 , AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, AV_OPT_FLAG_DECODING_PARAM },
    { "seekable", "Sets if the file is seekable",  0x42 , AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 0, AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM },
    { "pkt_size", "Maximum packet size",  0x42 , AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM },
    { NULL }
}

Definition at line 108 of file file.c.

pipe_options

const AVOption pipe_options[]

static

Initial value:

= {
    { "blocksize", "set I/O operation maximum block size",  0x42 , AV_OPT_TYPE_INT, { .i64 = INT_MAX }, 1, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
    { "fd", "set file descriptor",  0x42 , AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
    { NULL }
}

Definition at line 117 of file file.c.

file_class

const AVClass file_class

static

Initial value:

= {
    .class_name = "file",
    .item_name  = av_default_item_name,
    .option     = file_options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 123 of file file.c.

pipe_class

const AVClass pipe_class

static

Initial value:

= {
    .class_name = "pipe",
    .item_name  = av_default_item_name,
    .option     = pipe_options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 130 of file file.c.

fd_class

const AVClass fd_class

static

Initial value:

= {
    .class_name = "fd",
    .item_name  = av_default_item_name,
    .option     = pipe_options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 137 of file file.c.