FFmpeg 6.1.1
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A generic FIFO API. More...
Go to the source code of this file.
Data Structures | |
struct | AVFifoBuffer |
Macros | |
#define | AV_FIFO_FLAG_AUTO_GROW (1 << 0) |
Automatically resize the FIFO on writes, so that the data fits. More... | |
Typedefs | |
typedef struct AVFifo | AVFifo |
typedef int | AVFifoCB(void *opaque, void *buf, size_t *nb_elems) |
Callback for writing or reading from a FIFO, passed to (and invoked from) the av_fifo_*_cb() functions. More... | |
Functions | |
AVFifo * | av_fifo_alloc2 (size_t elems, size_t elem_size, unsigned int flags) |
Allocate and initialize an AVFifo with a given element size. More... | |
size_t | av_fifo_elem_size (const AVFifo *f) |
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_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... | |
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... | |
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... | |
attribute_deprecated AVFifoBuffer * | av_fifo_alloc (unsigned int size) |
Initialize an AVFifoBuffer. More... | |
attribute_deprecated AVFifoBuffer * | av_fifo_alloc_array (size_t nmemb, size_t size) |
Initialize an AVFifoBuffer. More... | |
attribute_deprecated void | av_fifo_free (AVFifoBuffer *f) |
Free an AVFifoBuffer. More... | |
attribute_deprecated void | av_fifo_freep (AVFifoBuffer **f) |
Free an AVFifoBuffer and reset pointer to NULL. More... | |
attribute_deprecated void | av_fifo_reset (AVFifoBuffer *f) |
Reset the AVFifoBuffer to the state right after av_fifo_alloc, in particular it is emptied. More... | |
attribute_deprecated int | av_fifo_size (const AVFifoBuffer *f) |
Return the amount of data in bytes in the AVFifoBuffer, that is the amount of data you can read from it. More... | |
attribute_deprecated int | av_fifo_space (const AVFifoBuffer *f) |
Return the amount of space in bytes in the AVFifoBuffer, that is the amount of data you can write into it. More... | |
attribute_deprecated int | av_fifo_generic_peek_at (AVFifoBuffer *f, void *dest, int offset, int buf_size, void(*func)(void *, void *, int)) |
Feed data at specific position from an AVFifoBuffer to a user-supplied callback. More... | |
attribute_deprecated int | av_fifo_generic_peek (AVFifoBuffer *f, void *dest, int buf_size, void(*func)(void *, void *, int)) |
Feed data from an AVFifoBuffer to a user-supplied callback. More... | |
attribute_deprecated int | av_fifo_generic_read (AVFifoBuffer *f, void *dest, int buf_size, void(*func)(void *, void *, int)) |
Feed data from an AVFifoBuffer to a user-supplied callback. More... | |
attribute_deprecated int | av_fifo_generic_write (AVFifoBuffer *f, void *src, int size, int(*func)(void *, void *, int)) |
Feed data from a user-supplied callback to an AVFifoBuffer. More... | |
attribute_deprecated int | av_fifo_realloc2 (AVFifoBuffer *f, unsigned int size) |
Resize an AVFifoBuffer. More... | |
attribute_deprecated int | av_fifo_grow (AVFifoBuffer *f, unsigned int additional_space) |
Enlarge an AVFifoBuffer. More... | |
attribute_deprecated void | av_fifo_drain (AVFifoBuffer *f, int size) |
Read and discard the specified amount of data from an AVFifoBuffer. More... | |
static attribute_deprecated uint8_t * | av_fifo_peek2 (const AVFifoBuffer *f, int offs) |
Return a pointer to the data stored in a FIFO buffer at a certain offset. More... | |
A generic FIFO API.
Definition in file fifo.h.