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user lrint() and friends in inner loops instead of normal C casts to speed up a few things

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This commit is contained in:
Lennart Poettering 2008-10-03 02:34:59 +02:00
parent 1bb5e58fb3
commit 33b186e74d
5 changed files with 13 additions and 13 deletions
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8
src/pulsecore/time-smoother.c
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@ -284,7 +284,7 @@ static void estimate(pa_smoother *s, pa_usec_t x, pa_usec_t *y, double *deriv) {
/* The requested point is right of the point where we wanted
* to be on track again, thus just linearly estimate */
t = (int64_t) s->py + (int64_t) (s->dp * (double) (x - s->px));
t = (int64_t) s->py + (int64_t) llrint(s->dp * (double) (x - s->px));
if (t < 0)
t = 0;
@ -313,7 +313,7 @@ static void estimate(pa_smoother *s, pa_usec_t x, pa_usec_t *y, double *deriv) {
/* Move back from origin */
ty += (double) s->ey;
*y = ty >= 0 ? (pa_usec_t) ty : 0;
*y = ty >= 0 ? (pa_usec_t) lrint(ty) : 0;
/* Horner scheme */
if (deriv)
@ -360,7 +360,7 @@ void pa_smoother_put(pa_smoother *s, pa_usec_t x, pa_usec_t y) {
/* And calculate when we want to be on track again */
s->px = s->ex + s->adjust_time;
s->py = s->ry + (pa_usec_t) (s->dp * (double) s->adjust_time);
s->py = s->ry + (pa_usec_t) lrint(s->dp * (double) s->adjust_time);
s->abc_valid = FALSE;
@ -456,7 +456,7 @@ pa_usec_t pa_smoother_translate(pa_smoother *s, pa_usec_t x, pa_usec_t y_delay)
/* pa_log_debug("translate(%llu) = %llu (%0.2f)", (unsigned long long) y_delay, (unsigned long long) ((double) y_delay / nde), nde); */
return (pa_usec_t) ((double) y_delay / nde);
return (pa_usec_t) lrint((double) y_delay / nde);
}
void pa_smoother_reset(pa_smoother *s) {