5#ifndef SPA_BUFFER_ALLOC_H
6#define SPA_BUFFER_ALLOC_H
14#ifndef SPA_API_BUFFER_ALLOC
16 #define SPA_API_BUFFER_ALLOC SPA_API_IMPL
18 #define SPA_API_BUFFER_ALLOC static inline
29#define SPA_BUFFER_ALLOC_FLAG_INLINE_META (1<<0)
30#define SPA_BUFFER_ALLOC_FLAG_INLINE_CHUNK (1<<1)
31#define SPA_BUFFER_ALLOC_FLAG_INLINE_DATA (1<<2)
32#define SPA_BUFFER_ALLOC_FLAG_INLINE_ALL 0b111
33#define SPA_BUFFER_ALLOC_FLAG_NO_DATA (1<<3)
70 uint32_t n_metas,
struct spa_meta metas[],
71 uint32_t n_datas,
struct spa_data datas[],
72 uint32_t data_aligns[])
136 for (i = 0, size = 0; i < n_metas; i++)
153 for (i = 0,
size = 0; i < n_datas; i++) {
154 int64_t align = data_aligns[i];
192 void *skel_mem,
void *data_mem)
197 void **dp, *skel, *data;
213 for (i = 0; i < info->
n_metas; i++) {
235 for (i = 0; i < info->
n_datas; i++) {
270 uint32_t n_buffers,
struct spa_buffer *buffers[],
271 void *skel_mem,
void *data_mem)
274 for (i = 0; i < n_buffers; i++) {
307 uint32_t data_aligns[])
312 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
#define SPA_API_BUFFER_ALLOC
Definition alloc.h:25
SPA_API_BUFFER_ALLOC struct spa_buffer ** spa_buffer_alloc_array(uint32_t n_buffers, uint32_t flags, uint32_t n_metas, struct spa_meta metas[], uint32_t n_datas, struct spa_data datas[], uint32_t data_aligns[])
Allocate an array of buffers.
Definition alloc.h:316
SPA_API_BUFFER_ALLOC struct spa_buffer * spa_buffer_alloc_layout(struct spa_buffer_alloc_info *info, void *skel_mem, void *data_mem)
Fill skeleton and data according to the allocation info.
Definition alloc.h:203
#define SPA_BUFFER_ALLOC_FLAG_INLINE_ALL
Definition alloc.h:43
SPA_API_BUFFER_ALLOC int spa_buffer_alloc_fill_info(struct spa_buffer_alloc_info *info, uint32_t n_metas, struct spa_meta metas[], uint32_t n_datas, struct spa_data datas[], uint32_t data_aligns[])
Fill buffer allocation information.
Definition alloc.h:81
#define SPA_BUFFER_ALLOC_FLAG_INLINE_META
add metadata data in the skeleton
Definition alloc.h:37
#define SPA_BUFFER_ALLOC_FLAG_INLINE_CHUNK
add chunk data in the skeleton
Definition alloc.h:39
SPA_API_BUFFER_ALLOC int spa_buffer_alloc_layout_array(struct spa_buffer_alloc_info *info, uint32_t n_buffers, struct spa_buffer *buffers[], void *skel_mem, void *data_mem)
Layout an array of buffers.
Definition alloc.h:281
#define SPA_BUFFER_ALLOC_FLAG_NO_DATA
don't set data pointers
Definition alloc.h:45
#define SPA_BUFFER_ALLOC_FLAG_INLINE_DATA
add buffer data to the skeleton
Definition alloc.h:41
#define SPA_ROUND_UP_N(num, align)
Definition defs.h:360
#define SPA_PTR_ALIGN(p, align, type)
Definition defs.h:382
#define SPA_FLAG_IS_SET(field, flag)
Definition defs.h:90
#define SPA_PTROFF(ptr_, offset_, type_)
Return the address (buffer + offset) as pointer of type.
Definition defs.h:222
#define SPA_MAX(a, b)
Definition defs.h:171
information about the buffer layout
Definition alloc.h:35
size_t mem_size
size of the total memory if not inlined
Definition alloc.h:57
size_t data_size
size of the data if not inlined
Definition alloc.h:56
uint32_t n_metas
Definition alloc.h:48
uint32_t max_align
max of all alignments
Definition alloc.h:47
size_t meta_size
size of the meta if not inlined
Definition alloc.h:54
size_t chunk_size
size of the chunk if not inlined
Definition alloc.h:55
size_t skel_size
size of the struct spa_buffer and inlined meta/chunk/data
Definition alloc.h:53
struct spa_data * datas
Definition alloc.h:51
uint32_t * data_aligns
Definition alloc.h:52
uint32_t n_datas
Definition alloc.h:49
struct spa_meta * metas
Definition alloc.h:50
uint32_t flags
Definition alloc.h:46
A Buffer.
Definition buffer.h:110
uint32_t n_metas
number of metadata
Definition buffer.h:111
struct spa_meta * metas
array of metadata
Definition buffer.h:113
struct spa_data * datas
array of data members
Definition buffer.h:114
uint32_t n_datas
number of data members
Definition buffer.h:112
Chunk of memory, can change for each buffer.
Definition buffer.h:59
uint32_t size
size of valid data.
Definition buffer.h:63
Data for a buffer this stays constant for a buffer.
Definition buffer.h:78
struct spa_chunk * chunk
valid chunk of memory
Definition buffer.h:106
void * data
optional data pointer
Definition buffer.h:105
uint32_t maxsize
max size of data
Definition buffer.h:104