frame.c File Reference

Include dependency graph for frame.c:

Macros
#define	VLC_FRAME_ALIGN   32
	Initial memory alignment of data frame.
#define	VLC_FRAME_PADDING   32
	Initial reserved header and footer size.
#define	S_TYPEISSHM(buf)   (0)

Functions
static void	vlc_frame_Check (vlc_frame_t *frame)
void	vlc_frame_CopyProperties (vlc_frame_t *restrict dst, const vlc_frame_t *src)
vlc_frame_t *	vlc_frame_New (const struct vlc_frame_callbacks *cbs, void *buf, size_t size)
	Creates a custom frame.
vlc_frame_t *	vlc_frame_Init (vlc_frame_t *restrict f, const struct vlc_frame_callbacks *cbs, void *buf, size_t size)
vlc_frame_t *	vlc_frame_Alloc (size_t size)
	Allocates a frame.
void	vlc_frame_Release (vlc_frame_t *frame)
	Releases a frame.
static vlc_frame_t *	vlc_frame_ReallocDup (vlc_frame_t *frame, ssize_t i_prebody, size_t requested)
vlc_frame_t *	vlc_frame_TryRealloc (vlc_frame_t *frame, ssize_t i_prebody, size_t i_body)
vlc_frame_t *	vlc_frame_Realloc (vlc_frame_t *frame, ssize_t prebody, size_t body)
	Reallocates a frame.
static void	vlc_frame_heap_Release (vlc_frame_t *frame)
vlc_frame_t *	vlc_frame_heap_Alloc (void *addr, size_t length)
	Wraps heap in a frame.
vlc_frame_t *	vlc_frame_mmap_Alloc (void *addr, size_t length)
	Wraps a memory mapping in a frame.
vlc_frame_t *	vlc_frame_shm_Alloc (void *addr, size_t length)
	Wraps a System V memory segment in a frame.
vlc_frame_t *	vlc_frame_File (int fd, bool write)
	Maps a file handle in memory.
vlc_frame_t *	vlc_frame_FilePath (const char *path, bool write)
	Maps a file in memory.
int	vlc_frame_AttachAncillary (vlc_frame_t *frame, struct vlc_ancillary *ancillary)
	Attach an ancillary to the frame.
struct vlc_ancillary *	vlc_frame_GetAncillary (vlc_frame_t *frame, vlc_ancillary_id id)
	Return the ancillary identified by an ID.

Variables
static const struct vlc_frame_callbacks	vlc_frame_heap_cbs

Macro Definition Documentation

S_TYPEISSHM

#define S_TYPEISSHM

(

buf

)

(0)

VLC_FRAME_ALIGN

#define VLC_FRAME_ALIGN   32

Initial memory alignment of data frame.

Note

This must be a multiple of sizeof(void*) and a power of two. libavcodec AVX optimizations require at least 32-bytes.

VLC_FRAME_PADDING

#define VLC_FRAME_PADDING   32

Initial reserved header and footer size.

Function Documentation

vlc_frame_Check()

static void vlc_frame_Check ( vlc_frame_t *  frame )

static

References vlc_frame_t::i_buffer, vlc_frame_t::i_size, vlc_frame_t::p_buffer, vlc_frame_t::p_next, and vlc_frame_t::p_start.

Referenced by vlc_frame_Release(), and vlc_frame_TryRealloc().

vlc_frame_CopyProperties()

void vlc_frame_CopyProperties	(	vlc_frame_t *restrict	dst,
		const vlc_frame_t *	src
	)

References vlc_frame_t::i_dts, vlc_frame_t::i_flags, vlc_frame_t::i_length, vlc_frame_t::i_nb_samples, vlc_frame_t::i_pts, vlc_frame_t::priv_ancillaries, and vlc_ancillary_array_Dup().

Referenced by vlc_frame_ReallocDup().

vlc_frame_heap_Release()

static void vlc_frame_heap_Release ( vlc_frame_t *  frame )

static

References vlc_frame_t::p_start.

vlc_frame_Init()

vlc_frame_t * vlc_frame_Init	(	vlc_frame_t *restrict	f,
		const struct vlc_frame_callbacks *	cbs,
		void *	buf,
		size_t	size
	)

References vlc_frame_t::p_buffer, vlc_frame_t::p_next, vlc_ancillary_array_Init(), and VLC_TICK_INVALID.

Referenced by vlc_frame_New().

vlc_frame_ReallocDup()

static vlc_frame_t * vlc_frame_ReallocDup ( vlc_frame_t *  frame, ssize_t  i_prebody, size_t  requested  )

static

References vlc_frame_t::i_buffer, vlc_frame_t::p_buffer, vlc_frame_t::p_next, vlc_frame_Alloc(), vlc_frame_CopyProperties(), and vlc_frame_Release().

Referenced by vlc_frame_TryRealloc().

Variable Documentation

vlc_frame_heap_cbs

const struct vlc_frame_callbacks vlc_frame_heap_cbs

static

Initial value:

=
{
    vlc_frame_heap_Release,
}

Referenced by vlc_frame_heap_Alloc().