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64 #define SPA_CHUNK_FLAG_NONE 0
65 #define SPA_CHUNK_FLAG_CORRUPTED (1u<<0)
79 #define SPA_DATA_FLAG_NONE 0
80 #define SPA_DATA_FLAG_READABLE (1u<<0)
81 #define SPA_DATA_FLAG_WRITABLE (1u<<1)
82 #define SPA_DATA_FLAG_DYNAMIC (1u<<2)
83 #define SPA_DATA_FLAG_READWRITE (SPA_DATA_FLAG_READABLE|SPA_DATA_FLAG_WRITABLE)
@ SPA_DATA_DmaBuf
fd to dmabuf memory
Definition: buffer.h:55
int32_t stride
stride of valid data
Definition: buffer.h:68
struct spa_meta * metas
array of metadata
Definition: buffer.h:108
uint32_t offset
offset of valid data.
Definition: buffer.h:63
uint32_t n_metas
number of metadata
Definition: buffer.h:106
A Buffer.
Definition: buffer.h:105
@ _SPA_DATA_LAST
not part of ABI
Definition: buffer.h:58
spa_data_type
Definition: buffer.h:50
@ SPA_DATA_MemId
memory is identified with an id
Definition: buffer.h:56
int32_t flags
chunk flags
Definition: buffer.h:73
uint32_t size
size of valid data.
Definition: buffer.h:66
@ SPA_DATA_MemFd
generic fd, mmap to get to memory
Definition: buffer.h:54
@ SPA_DATA_MemPtr
pointer to memory, the data field in struct spa_data is set.
Definition: buffer.h:52
Data for a buffer this stays constant for a buffer.
Definition: buffer.h:77
Chunk of memory, can change for each buffer.
Definition: buffer.h:62
static struct spa_meta * spa_buffer_find_meta(const struct spa_buffer *b, uint32_t type)
Find metadata in a buffer.
Definition: buffer.h:113
static void * spa_buffer_find_meta_data(const struct spa_buffer *b, uint32_t type, size_t size)
Definition: buffer.h:124
@ SPA_DATA_Invalid
Definition: buffer.h:51