FFmpeg: libavformat/cache.c File Reference

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libavformat

Data Structures | Macros | Functions | Variables

cache.c File Reference

#include "libavutil/avassert.h"
#include "libavutil/avstring.h"
#include "libavutil/internal.h"
#include "libavutil/opt.h"
#include "libavutil/tree.h"
#include "avformat.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 CacheEntry

support keeping files support filling with a background thread More...

struct Context

Macros

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

#define D AV_OPT_FLAG_DECODING_PARAM

Functions

static int cmp (const void *key, const void *node)

static int cache_open (URLContext *h, const char *arg, int flags, AVDictionary **options)

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

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

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

static int enu_free (void *opaque, void *elem)

static int cache_close (URLContext *h)

Variables

static const AVOption options []

static const AVClass cache_context_class

const URLProtocol ff_cache_protocol

Macro Definition Documentation

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

Definition at line 307 of file cache.c.

#define D AV_OPT_FLAG_DECODING_PARAM

Definition at line 308 of file cache.c.

Function Documentation

static int cmp ( const void * key,

const void * node

)

static

Definition at line 68 of file cache.c.

Referenced by add_entry(), and cache_read().

static int cache_open ( URLContext * h,

const char * arg,

int flags,

AVDictionary ** options

)

static

Definition at line 73 of file cache.c.

static int add_entry ( URLContext * h,

const unsigned char * buf,

int size

)

static

Definition at line 93 of file cache.c.

Referenced by cache_read().

static int cache_read ( URLContext * h,

unsigned char * buf,

int size

)

static

Definition at line 156 of file cache.c.

Referenced by cache_seek().

static int64_t cache_seek ( URLContext * h,

int64_t pos,

int whence

)

static

Definition at line 221 of file cache.c.

static int enu_free ( void * opaque,

void * elem

)

static

Definition at line 286 of file cache.c.

Referenced by cache_close().

static int cache_close ( URLContext * h )

static

Definition at line 292 of file cache.c.

Variable Documentation

const AVOption options[]

static

Initial value:

= {

{ "read_ahead_limit", "Amount in bytes that may be read ahead when seeking isn't supported, -1 for unlimited", OFFSET(read_ahead_limit), AV_OPT_TYPE_INT, { .i64 = 65536 }, -1, INT_MAX, D },

{NULL},

}

NULL

#define NULL

Definition: coverity.c:32

AV_OPT_TYPE_INT

Definition: opt.h:223

#define D

Definition: cache.c:308

OFFSET

#define OFFSET(x)

Definition: cache.c:307