Data Structures
struct	spa_meta
	A metadata element. More...

struct	spa_meta_header
	Describes essential buffer header metadata such as flags and timestamps. More...

struct	spa_meta_region
	metadata structure for Region or an array of these for RegionArray More...

struct	spa_meta_bitmap
	Bitmap information. More...

struct	spa_meta_cursor
	Cursor information. More...

struct	spa_meta_control
	a timed set of events associated with the buffer More...

struct	spa_meta_busy
	a busy counter for the buffer More...

Macros
#define	spa_meta_first(m) ((m)->data)

#define	spa_meta_end(m) SPA_PTROFF((m)->data,(m)->size,void)

#define	spa_meta_check(p, m) (SPA_PTROFF(p,sizeof(*p),void) <= spa_meta_end(m))

#define	SPA_META_HEADER_FLAG_DISCONT (1 << 0)
	data is not continuous with previous buffer More...

#define	SPA_META_HEADER_FLAG_CORRUPTED (1 << 1)
	data might be corrupted More...

#define	SPA_META_HEADER_FLAG_MARKER (1 << 2)
	media specific marker More...

#define	SPA_META_HEADER_FLAG_HEADER (1 << 3)
	data contains a codec specific header More...

#define	SPA_META_HEADER_FLAG_GAP (1 << 4)
	data contains media neutral data More...

#define	SPA_META_HEADER_FLAG_DELTA_UNIT (1 << 5)
	cannot be decoded independently More...

#define	spa_meta_region_is_valid(m) ((m)->region.size.width != 0 && (m)->region.size.height != 0)

#define	spa_meta_for_each(pos, meta)
	iterate all the items in a metadata More...

#define	spa_meta_bitmap_is_valid(m) ((m)->format != 0)

#define	spa_meta_cursor_is_valid(m) ((m)->id != 0)

Enumerations
enum	spa_meta_type { SPA_META_Invalid, SPA_META_Header, SPA_META_VideoCrop, SPA_META_VideoDamage, SPA_META_Bitmap, SPA_META_Cursor, SPA_META_Control, SPA_META_Busy, _SPA_META_LAST }

Macro Definition Documentation

◆ SPA_META_HEADER_FLAG_CORRUPTED

#define SPA_META_HEADER_FLAG_CORRUPTED (1 << 1)

data might be corrupted

#define SPA_META_HEADER_FLAG_DELTA_UNIT (1 << 5)

cannot be decoded independently

#define SPA_META_HEADER_FLAG_DISCONT (1 << 0)

data is not continuous with previous buffer

#define SPA_META_HEADER_FLAG_GAP (1 << 4)

data contains media neutral data

#define SPA_META_HEADER_FLAG_HEADER (1 << 3)

data contains a codec specific header

#define SPA_META_HEADER_FLAG_MARKER (1 << 2)

media specific marker