fifo.c File Reference

#include <stdint.h>
#include <string.h>
#include "avassert.h"
#include "error.h"
#include "fifo.h"
#include "macros.h"
#include "mem.h"

Go to the source code of this file.

Data Structures
struct	AVFifo

Macros
#define	AUTO_GROW_DEFAULT_BYTES   (1024 * 1024)

Functions
AVFifo *	av_fifo_alloc2 (size_t nb_elems, size_t elem_size, unsigned int flags)
	Allocate and initialize an AVFifo with a given element size. More...
void	av_fifo_auto_grow_limit (AVFifo *f, size_t max_elems)
	Set the maximum size (in elements) to which the FIFO can be resized automatically. More...
size_t	av_fifo_elem_size (const AVFifo *f)
size_t	av_fifo_can_read (const AVFifo *f)
size_t	av_fifo_can_write (const AVFifo *f)
int	av_fifo_grow2 (AVFifo *f, size_t inc)
	Enlarge an AVFifo. More...
static int	fifo_check_space (AVFifo *f, size_t to_write)
static int	fifo_write_common (AVFifo *f, const uint8_t *buf, size_t *nb_elems, AVFifoCB read_cb, void *opaque)
int	av_fifo_write (AVFifo *f, const void *buf, size_t nb_elems)
	Write data into a FIFO. More...
int	av_fifo_write_from_cb (AVFifo *f, AVFifoCB read_cb, void *opaque, size_t *nb_elems)
	Write data from a user-provided callback into a FIFO. More...
static int	fifo_peek_common (const AVFifo *f, uint8_t *buf, size_t *nb_elems, size_t offset, AVFifoCB write_cb, void *opaque)
int	av_fifo_read (AVFifo *f, void *buf, size_t nb_elems)
	Read data from a FIFO. More...
int	av_fifo_read_to_cb (AVFifo *f, AVFifoCB write_cb, void *opaque, size_t *nb_elems)
	Feed data from a FIFO into a user-provided callback. More...
int	av_fifo_peek (const AVFifo *f, void *buf, size_t nb_elems, size_t offset)
	Read data from a FIFO without modifying FIFO state. More...
int	av_fifo_peek_to_cb (const AVFifo *f, AVFifoCB write_cb, void *opaque, size_t *nb_elems, size_t offset)
	Feed data from a FIFO into a user-provided callback. More...
void	av_fifo_drain2 (AVFifo *f, size_t size)
	Discard the specified amount of data from an AVFifo. More...
void	av_fifo_reset2 (AVFifo *f)
void	av_fifo_freep2 (AVFifo **f)
	Free an AVFifo and reset pointer to NULL. More...

Macro Definition Documentation

AUTO_GROW_DEFAULT_BYTES

#define AUTO_GROW_DEFAULT_BYTES   (1024 * 1024)

Definition at line 33 of file fifo.c.

Function Documentation

fifo_check_space()

static int fifo_check_space ( AVFifo *  f, size_t  to_write  )

static

Definition at line 129 of file fifo.c.

Referenced by fifo_write_common().

fifo_write_common()

static int fifo_write_common ( AVFifo *  f, const uint8_t *  buf, size_t *  nb_elems, AVFifoCB  read_cb, void *  opaque  )

static

Definition at line 149 of file fifo.c.

Referenced by av_fifo_write(), and av_fifo_write_from_cb().

fifo_peek_common()

static int fifo_peek_common ( const AVFifo *  f, uint8_t *  buf, size_t *  nb_elems, size_t  offset, AVFifoCB  write_cb, void *  opaque  )

static

Definition at line 199 of file fifo.c.

Referenced by av_fifo_peek(), av_fifo_peek_to_cb(), av_fifo_read(), and av_fifo_read_to_cb().