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Enhancements..

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This commit is contained in:
Jaroslav Kysela 1999-03-08 20:06:32 +00:00
parent f69148cbed
commit 9dfc55b84e
1 changed files with 56 additions and 3 deletions
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59
test/timer.c
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@ -2,20 +2,73 @@
#include <string.h>
#include "../include/asoundlib.h"
void show_status(void *handle)
{
int err;
snd_timer_status_t status;
if ((err = snd_timer_status(handle, &status)) < 0) {
fprintf(stderr, "timer status %i (%s)\n", err, snd_strerror(err));
return;
}
printf("STATUS:\n");
printf(" resolution = %lu\n", status.resolution);
printf(" lost = %lu\n", status.lost);
printf(" overrun = %lu\n", status.overrun);
printf(" queue = %i\n", status.queue);
}
void main(void)
{
int err;
void *handle;
snd_timer_general_info_t info;
snd_timer_general_info_t ginfo;
snd_timer_select_t sel;
snd_timer_info_t info;
snd_timer_params_t params;
if ((err = snd_timer_open(&handle))<0) {
fprintf(stderr, "timer open %i (%s)\n", err, snd_strerror(err));
exit(0);
}
if (snd_timer_general_info(handle, &info)<0) {
if (snd_timer_general_info(handle, &ginfo)<0) {
fprintf(stderr, "timer general info %i (%s)\n", err, snd_strerror(err));
exit(0);
}
printf("global timers = %i\n", info.count);
printf("Global timers = %i\n", ginfo.count);
bzero(&sel, sizeof(sel));
sel.number = SND_TIMER_SYSTEM;
sel.slave = 0;
if ((err = snd_timer_select(handle, &sel)) < 0) {
fprintf(stderr, "timer select %i (%s)\n", err, snd_strerror(err));
exit(0);
}
if ((err = snd_timer_info(handle, &info)) < 0) {
fprintf(stderr, "timer info %i (%s)\n", err, snd_strerror(err));
exit(0);
}
printf("Timer %i info:\n", sel.number);
printf(" flags = 0x%x\n", info.flags);
printf(" id = '%s'\n", info.id);
printf(" name = '%s'\n", info.name);
printf(" max ticks = %lu\n", info.ticks);
printf(" average resolution = %lu\n", info.resolution);
bzero(&params, sizeof(params));
params.flags = SND_TIMER_PSFLG_AUTO;
params.ticks = (1000000000 / info.resolution) / 50; /* 50Hz */
if (params.ticks < 1)
params.ticks = 1;
printf("Using %lu tick(s)\n", params.ticks);
if ((err = snd_timer_params(handle, &params)) < 0) {
fprintf(stderr, "timer params %i (%s)\n", err, snd_strerror(err));
exit(0);
}
show_status(handle);
if ((err = snd_timer_start(handle)) < 0) {
fprintf(stderr, "timer start %i (%s)\n", err, snd_strerror(err));
exit(0);
}
usleep(500000);
show_status(handle);
snd_timer_close(handle);
}