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prepare test for tracking down ens1371 issue

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This commit is contained in:
Lennart Poettering 2009-02-22 03:55:54 +01:00
parent 2d9ae496c9
commit e335b3d6ca
1 changed files with 12 additions and 15 deletions
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27
src/tests/alsa-time-test.c
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@ -18,7 +18,7 @@ int main(int argc, char *argv[]) {
snd_pcm_status_t *status;
snd_pcm_t *pcm;
unsigned rate = 44100;
unsigned periods = 0;
unsigned periods = 2;
snd_pcm_uframes_t boundary, buffer_size = 44100/10; /* 100s */
int dir = 1;
struct timespec start, last_timestamp = { 0, 0 };
@ -75,10 +75,13 @@ int main(int argc, char *argv[]) {
r = snd_pcm_hw_params_current(pcm, hwparams);
assert(r == 0);
r = snd_pcm_sw_params_current(pcm, swparams);
assert(r == 0);
r = snd_pcm_sw_params_set_avail_min(pcm, swparams, 1);
assert(r == 0);
r = snd_pcm_sw_params_set_period_event(pcm, swparams, 1);
r = snd_pcm_sw_params_set_period_event(pcm, swparams, 0);
assert(r == 0);
r = snd_pcm_hw_params_get_buffer_size(hwparams, &buffer_size);
@ -116,7 +119,6 @@ int main(int argc, char *argv[]) {
for (;;) {
snd_pcm_sframes_t avail, delay;
/* snd_pcm_uframes_t avail2; */
struct timespec now, timestamp;
unsigned short revents;
int written = 0;
@ -131,29 +133,20 @@ int main(int argc, char *argv[]) {
assert((revents & ~POLLOUT) == 0);
/* state = snd_pcm_get_state(pcm); */
avail = snd_pcm_avail(pcm);
assert(avail >= 0);
r = snd_pcm_status(pcm, status);
assert(r == 0);
printf("%lu %lu\n", (unsigned long) avail, (unsigned long) snd_pcm_status_get_avail(status));
/* This assertion fails from time to time. ALSA seems to be broken */
/* assert(avail == (snd_pcm_sframes_t) snd_pcm_status_get_avail(status)); */
/* printf("%lu %lu\n", (unsigned long) avail, (unsigned long) snd_pcm_status_get_avail(status)); */
assert(avail == (snd_pcm_sframes_t) snd_pcm_status_get_avail(status));
snd_pcm_status_get_htstamp(status, &timestamp);
delay = snd_pcm_status_get_delay(status);
state = snd_pcm_status_get_state(status);
/* r = snd_pcm_avail_delay(pcm, &avail, &delay); */
/* assert(r == 0); */
/* r = snd_pcm_htimestamp(pcm, &avail2, &timestamp); */
/* assert(r == 0); */
/* assert(avail == (snd_pcm_sframes_t) avail2); */
r = clock_gettime(CLOCK_MONOTONIC, &now);
assert(r == 0);
@ -191,6 +184,10 @@ int main(int argc, char *argv[]) {
written,
state);
/** When this assert is hit, most likely something bad
* happened, i.e. the avail jumped suddenly. */
assert((unsigned) avail <= buffer_size);
last_avail = avail;
last_delay = delay;
last_timestamp = timestamp;