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| #define  | SPA_STATIC_ASSERT_IMPL(expr, ...)   	((void)sizeof(struct { int spa_static_assertion_failed : 2 * !!(expr) - 1; })) | 
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| #define  | SPA_STATIC_ASSERT(expr, ...)   SPA_STATIC_ASSERT_IMPL(expr, ## __VA_ARGS__, "`" #expr "` evaluated to false") | 
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| #define  | SPA_FALLTHROUGH   /* FALLTHROUGH */ | 
|   | SPA_FALLTHROUGH is an annotation to suppress compiler warnings about switch cases that fall through without a break or return statement.  More...
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| #define  | SPA_FLAG_MASK(field,  mask,  flag)   (((field) & (mask)) == (flag)) | 
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| #define  | SPA_FLAG_IS_SET(field,  flag)   SPA_FLAG_MASK(field, flag, flag) | 
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| #define  | SPA_FLAG_SET(field,  flag)   ((field) |= (flag)) | 
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| #define  | SPA_FLAG_CLEAR(field,  flag) | 
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| #define  | SPA_FLAG_UPDATE(field,  flag,  val)   ((val) ? SPA_FLAG_SET((field),(flag)) : SPA_FLAG_CLEAR((field),(flag))) | 
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| #define  | SPA_DIRECTION_REVERSE(d)   ((d) ^ 1) | 
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| #define  | SPA_RECTANGLE(width,  height)   ((struct spa_rectangle){ (width), (height) }) | 
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| #define  | SPA_POINT(x,  y)   ((struct spa_point){ (x), (y) }) | 
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| #define  | SPA_REGION(x,  y,  width,  height)   ((struct spa_region){ SPA_POINT(x,y), SPA_RECTANGLE(width,height) }) | 
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| #define  | SPA_FRACTION(num,  denom)   ((struct spa_fraction){ (num), (denom) }) | 
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| #define  | SPA_N_ELEMENTS(arr)   (sizeof(arr) / sizeof((arr)[0])) | 
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| #define  | SPA_FOR_EACH_ELEMENT(arr,  ptr)   	for ((ptr) = arr; (void*)(ptr) < SPA_PTROFF(arr, sizeof(arr), void); (ptr)++) | 
|   | Array iterator macro.  More...
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| #define  | SPA_FOR_EACH_ELEMENT_VAR(arr,  var)   	for (__typeof__((arr)[0])* var = arr; (void*)(var) < SPA_PTROFF(arr, sizeof(arr), void); (var)++) | 
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| #define  | SPA_ABS(a) | 
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| #define  | SPA_MIN(a,  b) | 
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| #define  | SPA_MAX(a,  b) | 
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| #define  | SPA_CLAMP(v,  low,  high) | 
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| #define  | SPA_CLAMPF(v,  low,  high) | 
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| #define  | SPA_SWAP(a,  b) | 
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| #define  | SPA_TYPECHECK(type,  x) | 
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| #define  | SPA_PTROFF(ptr_,  offset_,  type_)   ((type_*)((uintptr_t)(ptr_) + (ptrdiff_t)(offset_))) | 
|   | Return the address (buffer + offset) as pointer of type.  More...
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| #define  | SPA_PTROFF_ALIGN(ptr_,  offset_,  alignment_,  type_)      SPA_PTR_ALIGN(SPA_PTROFF(ptr_,offset_,type_),alignment_,type_) | 
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| #define  | SPA_MEMBER(b,  o,  t)   SPA_PTROFF(b,o,t) | 
|   | Deprecated, use SPA_PTROFF and SPA_PTROFF_ALIGN instead.  More...
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| #define  | SPA_MEMBER_ALIGN(b,  o,  a,  t)   SPA_PTROFF_ALIGN(b,o,a,t) | 
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| #define  | SPA_CONTAINER_OF(p,  t,  m)   ((t*)((uintptr_t)(p) - offsetof(t,m))) | 
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| #define  | SPA_PTRDIFF(p1,  p2)   ((intptr_t)(p1) - (intptr_t)(p2)) | 
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| #define  | SPA_PTR_TO_INT(p)   ((int) ((intptr_t) (p))) | 
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| #define  | SPA_INT_TO_PTR(u)   ((void*) ((intptr_t) (u))) | 
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| #define  | SPA_PTR_TO_UINT32(p)   ((uint32_t) ((uintptr_t) (p))) | 
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| #define  | SPA_UINT32_TO_PTR(u)   ((void*) ((uintptr_t) (u))) | 
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| #define  | SPA_TIME_INVALID   ((int64_t)INT64_MIN) | 
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| #define  | SPA_IDX_INVALID   ((unsigned int)-1) | 
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| #define  | SPA_ID_INVALID   ((uint32_t)0xffffffff) | 
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| #define  | SPA_NSEC_PER_SEC   (1000000000LL) | 
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| #define  | SPA_NSEC_PER_MSEC   (1000000ll) | 
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| #define  | SPA_NSEC_PER_USEC   (1000ll) | 
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| #define  | SPA_USEC_PER_SEC   (1000000ll) | 
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| #define  | SPA_USEC_PER_MSEC   (1000ll) | 
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| #define  | SPA_MSEC_PER_SEC   (1000ll) | 
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| #define  | SPA_TIMESPEC_TO_NSEC(ts)   ((ts)->tv_sec * SPA_NSEC_PER_SEC + (ts)->tv_nsec) | 
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| #define  | SPA_TIMESPEC_TO_USEC(ts)   ((ts)->tv_sec * SPA_USEC_PER_SEC + (ts)->tv_nsec / SPA_NSEC_PER_USEC) | 
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| #define  | SPA_TIMEVAL_TO_NSEC(tv)   ((tv)->tv_sec * SPA_NSEC_PER_SEC + (tv)->tv_usec * SPA_NSEC_PER_USEC) | 
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| #define  | SPA_TIMEVAL_TO_USEC(tv)   ((tv)->tv_sec * SPA_USEC_PER_SEC + (tv)->tv_usec) | 
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| #define  | SPA_PRINTF_FUNC(fmt,  arg1) | 
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| #define  | SPA_FORMAT_ARG_FUNC(arg1) | 
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| #define  | SPA_ALIGNED(align) | 
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| #define  | SPA_DEPRECATED | 
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| #define  | SPA_EXPORT | 
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| #define  | SPA_SENTINEL | 
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| #define  | SPA_UNUSED | 
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| #define  | SPA_NORETURN | 
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| #define  | SPA_WARN_UNUSED_RESULT | 
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| #define  | SPA_RESTRICT | 
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| #define  | SPA_ROUND_DOWN(num,  value) | 
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| #define  | SPA_ROUND_UP(num,  value) | 
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| #define  | SPA_ROUND_MASK(num,  mask)   ((__typeof__(num))((mask)-1)) | 
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| #define  | SPA_ROUND_DOWN_N(num,  align)   ((num) & ~SPA_ROUND_MASK(num, align)) | 
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| #define  | SPA_ROUND_UP_N(num,  align)   ((((num)-1) | SPA_ROUND_MASK(num, align))+1) | 
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| #define  | SPA_SCALE32_UP(val,  num,  denom) | 
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| #define  | SPA_PTR_ALIGNMENT(p,  align)   ((intptr_t)(p) & ((align)-1)) | 
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| #define  | SPA_IS_ALIGNED(p,  align)   (SPA_PTR_ALIGNMENT(p,align) == 0) | 
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| #define  | SPA_PTR_ALIGN(p,  align,  type)   ((type*)SPA_ROUND_UP_N((intptr_t)(p), (intptr_t)(align))) | 
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| #define  | SPA_LIKELY(x)   (x) | 
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| #define  | SPA_UNLIKELY(x)   (x) | 
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| #define  | SPA_STRINGIFY_1(...)   #__VA_ARGS__ | 
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| #define  | SPA_STRINGIFY(...)   SPA_STRINGIFY_1(__VA_ARGS__) | 
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| #define  | spa_return_if_fail(expr) | 
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| #define  | spa_return_val_if_fail(expr,  val) | 
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| #define  | spa_assert_se(expr) | 
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| #define  | spa_nop()   do {} while (false) | 
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| #define  | spa_assert(expr)   spa_assert_se(expr) | 
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| #define  | spa_assert_not_reached() | 
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| #define  | spa_memzero(x,  l)   (memset((x), 0, (l))) | 
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| #define  | spa_zero(x)   (spa_memzero(&(x), sizeof(x))) | 
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| #define  | spa_memcpy(d,  s,  n)   memcpy(d,s,n) | 
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| #define  | spa_memmove(d,  s,  n)   memmove(d,s,n) | 
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| #define  | spa_aprintf(_fmt, ...) | 
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