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test: latency - use snd_pcm_format_physical_width()

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We need to allocate frames using the physical size not
the sample bit size.

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2022-11-14 12:36:04 +01:00
parent 152983f01b
commit 78b20e3caa
2 changed files with 9 additions and 4 deletions
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6
test/latency.c
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@ -354,7 +354,7 @@ long readbuf(snd_pcm_t *handle, char *buf, long len, size_t *frames, size_t *max
}
// printf("read = %li\n", r);
} else {
int frame_bytes = (snd_pcm_format_width(format) / 8) * channels;
int frame_bytes = (snd_pcm_format_physical_width(format) / 8) * channels;
do {
r = snd_pcm_readi(handle, buf, len);
if (r > 0) {
@ -374,7 +374,7 @@ long readbuf(snd_pcm_t *handle, char *buf, long len, size_t *frames, size_t *max
long writebuf(snd_pcm_t *handle, char *buf, long len, size_t *frames)
{
long r;
int frame_bytes = (snd_pcm_format_width(format) / 8) * channels;
int frame_bytes = (snd_pcm_format_physical_width(format) / 8) * channels;
while (len > 0) {
r = snd_pcm_writei(handle, buf, len);
@ -579,7 +579,7 @@ int main(int argc, char *argv[])
loop_limit = loop_sec * rate;
latency = latency_min - 4;
buffer = malloc((latency_max * snd_pcm_format_width(format) / 8) * 2);
buffer = malloc((latency_max * snd_pcm_format_physical_width(format) / 8) * 2);
setscheduler();