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buffer: clarify data type mask

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This commit is contained in:
Wim Taymans 2020-10-09 17:39:32 +02:00
parent 102583c550
commit 47ab075895
1 changed files with 6 additions and 1 deletions
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7
spa/include/spa/buffer/buffer.h
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@ -65,7 +65,12 @@ struct spa_chunk {
struct spa_data {
uint32_t type; /**< memory type, one of enum spa_data_type, when
* allocating memory, the type contains a bitmask
* of allowed types */
* of allowed types. SPA_ID_INVALID is a special
* value for the allocator to indicate that the
* other side did not explicitly specify any
* supported data types. It should probably use
* a memory type that does not require special
* handling in addition to simple mmap/munmap. */
#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 */