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commit glitch-free work

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/branches/glitch-free@2122 fefdeb5f-60dc-0310-8127-8f9354f1896f
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Lennart Poettering 2008-03-15 15:19:40 +00:00
parent 347cfc356a
commit 12c01e942d
50 changed files with 2877 additions and 1194 deletions
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46
src/pulsecore/macro.h
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@ -65,19 +65,53 @@ static inline size_t pa_page_align(size_t l) {
#define PA_ELEMENTSOF(x) (sizeof(x)/sizeof((x)[0]))
#ifndef MAX
#define MAX(a, b) ((a) > (b) ? (a) : (b))
/* The users of PA_MIN and PA_MAX should be aware that these macros on
* non-GCC executed code with side effects twice. It is thus
* considered misuse to use code with side effects as arguments to MIN
* and MAX. */
#ifdef __GNUC__
#define PA_MAX(a,b) \
__extension__ ({ typeof(a) _a = (a); \
typeof(b) _b = (b); \
_a > _b ? _a : _b; \
})
#else
#define PA_MAX(a, b) ((a) > (b) ? (a) : (b))
#endif
#ifndef MIN
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#ifdef __GNUC__
#define PA_MIN(a,b) \
__extension__ ({ typeof(a) _a = (a); \
typeof(b) _b = (b); \
_a < _b ? _a : _b; \
})
#else
#define PA_MIN(a, b) ((a) < (b) ? (a) : (b))
#endif
#ifndef CLAMP
#define CLAMP(x, low, high) (((x) > (high)) ? (high) : (((x) < (low)) ? (low) : (x)))
#ifdef __GNUC__
#define PA_CLAMP(x, low, high) \
__extension__ ({ typeof(x) _x = (x); \
typeof(low) _low = (low); \
typeof(high) _high = (high); \
((_x > _high) ? _high : ((_x < _low) ? _low : _x)); \
})
#else
#define PA_CLAMP(x, low, high) (((x) > (high)) ? (high) : (((x) < (low)) ? (low) : (x)))
#endif
#ifdef __GNUC__
#define PA_CLAMP_UNLIKELY(x, low, high) \
__extension__ ({ typeof(x) _x = (x); \
typeof(low) _low = (low); \
typeof(high) _high = (high); \
(PA_UNLIKELY(_x > _high) ? _high : (PA_UNLIKELY(_x < _low) ? _low : _x)); \
})
#else
#define PA_CLAMP_UNLIKELY(x, low, high) (PA_UNLIKELY((x) > (high)) ? (high) : (PA_UNLIKELY((x) < (low)) ? (low) : (x)))
#endif
/* We don't define a PA_CLAMP_LIKELY here, because it doesn't really
* make sense: we cannot know if it is more likely that the values is
* lower or greater than the boundaries.*/