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)
105 for (i = 0; i < b->
n_metas; i++)
struct spa_meta * spa_buffer_find_meta(const struct spa_buffer *b, uint32_t type)
Find metadata in a buffer.
Definition: buffer/buffer.h:101
void * spa_buffer_find_meta_data(const struct spa_buffer *b, uint32_t type, size_t size)
Definition: buffer/buffer.h:112
spa_data_type
Definition: buffer/buffer.h:45
@ _SPA_DATA_LAST
not part of ABI
Definition: buffer/buffer.h:53
@ SPA_DATA_MemFd
generic fd, mmap to get to memory
Definition: buffer/buffer.h:49
@ SPA_DATA_MemPtr
pointer to memory, the data field in struct spa_data is set.
Definition: buffer/buffer.h:47
@ SPA_DATA_Invalid
Definition: buffer/buffer.h:46
@ SPA_DATA_MemId
memory is identified with an id
Definition: buffer/buffer.h:51
@ SPA_DATA_DmaBuf
fd to dmabuf memory
Definition: buffer/buffer.h:50
A Buffer.
Definition: buffer/buffer.h:93
uint32_t n_metas
number of metadata
Definition: buffer/buffer.h:94
struct spa_meta * metas
array of metadata
Definition: buffer/buffer.h:96
struct spa_data * datas
array of data members
Definition: buffer/buffer.h:97
uint32_t n_datas
number of data members
Definition: buffer/buffer.h:95
Chunk of memory, can change for each buffer.
Definition: buffer/buffer.h:57
int32_t stride
stride of valid data
Definition: buffer/buffer.h:63
uint32_t size
size of valid data.
Definition: buffer/buffer.h:61
int32_t flags
chunk flags
Definition: buffer/buffer.h:66
uint32_t offset
offset of valid data.
Definition: buffer/buffer.h:58
Data for a buffer this stays constant for a buffer.
Definition: buffer/buffer.h:70
struct spa_chunk * chunk
valid chunk of memory
Definition: buffer/buffer.h:89
int64_t fd
optional fd for data
Definition: buffer/buffer.h:85
uint32_t mapoffset
offset to map fd at
Definition: buffer/buffer.h:86
uint32_t flags
data flags
Definition: buffer/buffer.h:84
void * data
optional data pointer
Definition: buffer/buffer.h:88
uint32_t maxsize
max size of data
Definition: buffer/buffer.h:87
uint32_t type
memory type, one of enum spa_data_type, when allocating memory, the type contains a bitmask of allowe...
Definition: buffer/buffer.h:71