PipeWire 1.1.0
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buffer.h File Reference

spa/buffer/buffer.h More...

Go to the source code of this file.

Data Structures

struct  spa_chunk
 Chunk of memory, can change for each buffer. More...
 
struct  spa_data
 Data for a buffer this stays constant for a buffer. More...
 
struct  spa_buffer
 A Buffer. More...
 

Macros

#define SPA_CHUNK_FLAG_NONE   0
 
#define SPA_CHUNK_FLAG_CORRUPTED   (1u<<0)
 chunk data is corrupted in some way
 
#define SPA_CHUNK_FLAG_EMPTY   (1u<<1)
 chunk data is empty with media specific neutral data such as silence or black.
 
#define SPA_DATA_FLAG_NONE   0
 
#define SPA_DATA_FLAG_READABLE   (1u<<0)
 data is readable
 
#define SPA_DATA_FLAG_WRITABLE   (1u<<1)
 data is writable
 
#define SPA_DATA_FLAG_DYNAMIC   (1u<<2)
 data pointer can be changed
 
#define SPA_DATA_FLAG_READWRITE   (SPA_DATA_FLAG_READABLE|SPA_DATA_FLAG_WRITABLE)
 
#define SPA_DATA_FLAG_MAPPABLE   (1u<<3)
 data is mappable with simple mmap/munmap.
 

Enumerations

enum  spa_data_type {
  SPA_DATA_Invalid , SPA_DATA_MemPtr , SPA_DATA_MemFd , SPA_DATA_DmaBuf ,
  SPA_DATA_MemId , _SPA_DATA_LAST
}
 

Functions

static struct spa_metaspa_buffer_find_meta (const struct spa_buffer *b, uint32_t type)
 Find metadata in a buffer.
 
static void * spa_buffer_find_meta_data (const struct spa_buffer *b, uint32_t type, size_t size)
 

Detailed Description