diff options
Diffstat (limited to 'src/tests')
| -rw-r--r-- | src/tests/alsa-time-test.c | 27 |
1 files changed, 12 insertions, 15 deletions
diff --git a/src/tests/alsa-time-test.c b/src/tests/alsa-time-test.c index 3858bf7b..e852c3f7 100644 --- a/src/tests/alsa-time-test.c +++ b/src/tests/alsa-time-test.c @@ -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, ×tamp); 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, ×tamp); */ -/* 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; |