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Major cleaning to hw_params mechanism for plugins

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This commit is contained in:
Abramo Bagnara 2001-01-18 18:20:31 +00:00
parent 1747dc039f
commit 3126678e72
17 changed files with 1259 additions and 1044 deletions
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18
src/pcm/interval.c
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@ -38,19 +38,28 @@ static inline void div64_32(u_int64_t *n, u_int32_t div, u_int32_t *rem)
static inline unsigned int div32(unsigned int a, unsigned int b,
unsigned int *r)
{
if (b == 0) {
*r = 0;
return UINT_MAX;
}
*r = a % b;
return a / b;
}
static inline unsigned int div_down(unsigned int a, unsigned int b)
{
if (b == 0)
return UINT_MAX;
return a / b;
}
static inline unsigned int div_up(unsigned int a, unsigned int b)
{
unsigned int r;
unsigned int q = div32(a, b, &r);
unsigned int q;
if (b == 0)
return UINT_MAX;
q = div32(a, b, &r);
if (r)
++q;
return q;
@ -83,6 +92,11 @@ static inline unsigned int muldiv32(unsigned int a, unsigned int b,
unsigned int c, unsigned int *r)
{
u_int64_t n = (u_int64_t) a * b;
if (c == 0) {
assert(n > 0);
*r = 0;
return UINT_MAX;
}
div64_32(&n, c, r);
if (n >= UINT_MAX) {
*r = 0;
@ -359,7 +373,7 @@ void interval_print(const interval_t *i, snd_output_t *out)
else if (i->min == 0 && i->openmin == 0 &&
i->max == UINT_MAX && i->openmax == 0)
snd_output_printf(out, "ALL");
else if (interval_single(i))
else if (interval_single(i) && i->integer)
snd_output_printf(out, "%u", interval_value(i));
else
snd_output_printf(out, "%c%u %u%c",