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New hw_params implementation

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Abramo Bagnara 2000-12-21 20:44:10 +00:00
parent 2fe1219099
commit 8dd927e97f
28 changed files with 3550 additions and 1899 deletions
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93
src/pcm/interval_inline.h Normal file
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/*
* Interval inlines
* Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>
*
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#ifdef INTERVAL_C
#define INLINE inline
#else
#define INLINE static inline
#endif
INLINE void interval_all(interval_t *i)
{
i->min = 1;
i->max = UINT_MAX;
}
INLINE int interval_empty(const interval_t *i)
{
return i->empty;
}
INLINE int interval_single(const interval_t *i)
{
assert(!interval_empty(i));
return (i->min == i->max ||
(i->min + 1 == i->max && i->openmax));
}
INLINE int interval_value(const interval_t *i)
{
assert(interval_single(i));
return i->min;
}
INLINE int interval_min(const interval_t *i)
{
assert(!interval_empty(i));
return i->min;
}
INLINE int interval_max(const interval_t *i)
{
unsigned int v;
assert(!interval_empty(i));
v = i->max;
if (i->openmax)
v--;
return v;
}
INLINE int interval_test(const interval_t *i, unsigned int val)
{
return !((i->min > val || (i->min == val && i->openmin) ||
i->max < val || (i->max == val && i->openmax)));
}
INLINE void interval_copy(interval_t *d, const interval_t *s)
{
*d = *s;
}
INLINE void interval_setreal(interval_t *i)
{
i->real = 1;
}
INLINE int interval_eq(const interval_t *i1, const interval_t *i2)
{
if (i1->empty)
return i2->empty;
if (i2->empty)
return i1->empty;
return i1->min == i2->min && i1->openmin == i2->openmin &&
i1->max == i2->max && i1->openmax == i2->openmax;
}