@@ -258,6 +258,8 @@ static void test_pcm_time(struct pcm_data *data, enum test_class class,
const char *test_name, snd_config_t *pcm_cfg)
{
char name[64], key[128], msg[256];
+ const int duration_s = 4, margin_ms = 100;
+ const int duration_ms = duration_s * 1000;
const char *cs;
int i, err;
snd_pcm_t *handle = NULL;
@@ -442,7 +444,7 @@ static void test_pcm_time(struct pcm_data *data, enum test_class class,
skip = false;
timestamp_now(&tstamp);
- for (i = 0; i < 4; i++) {
+ for (i = 0; i < duration_s; i++) {
if (data->stream == SND_PCM_STREAM_PLAYBACK) {
frames = snd_pcm_writei(handle, samples, rate);
if (frames < 0) {
@@ -472,8 +474,8 @@ static void test_pcm_time(struct pcm_data *data, enum test_class class,
snd_pcm_drain(handle);
ms = timestamp_diff_ms(&tstamp);
- if (ms < 3900 || ms > 4100) {
- snprintf(msg, sizeof(msg), "time mismatch: expected 4000ms got %lld", ms);
+ if (ms < duration_ms - margin_ms || ms > duration_ms + margin_ms) {
+ snprintf(msg, sizeof(msg), "time mismatch: expected %dms got %lld", duration_ms, ms);
goto __close;
}
The duration to stream for and time margin to consider the stream failed are currently hardcoded values. Move them to variables so they can be reused and more easily changed. Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com> --- tools/testing/selftests/alsa/pcm-test.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-)