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test/latency: print error message when 2 periods per buffer not supported

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Print error message when playback/capture does not support 2 periods
per buffer.

Signed-off-by: Raymond Yau <superquad.vortex2@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Raymond Yau 2011-04-20 16:18:50 +08:00 • committed by Takashi Iwai
parent 780f30ab1a
commit 7ed19bbc9a
1 changed files with 15 additions and 3 deletions
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18
test/latency.c
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@ -175,6 +175,7 @@ int setparams(snd_pcm_t *phandle, snd_pcm_t *chandle, int *bufsize)
snd_pcm_sw_params_t *p_swparams, *c_swparams;
snd_pcm_uframes_t p_size, c_size, p_psize, c_psize;
unsigned int p_time, c_time;
unsigned int val;
snd_pcm_hw_params_alloca(&p_params);
snd_pcm_hw_params_alloca(&c_params);
@ -226,12 +227,23 @@ int setparams(snd_pcm_t *phandle, snd_pcm_t *chandle, int *bufsize)
goto __again;
snd_pcm_hw_params_get_buffer_size(p_params, &p_size);
if (p_psize * 2 < p_size)
if (p_psize * 2 < p_size) {
snd_pcm_hw_params_get_periods_min(p_params, &val, NULL);
if (val > 2) {
printf("playback device does not support 2 periods per buffer\n");
exit(0);
}
goto __again;
}
snd_pcm_hw_params_get_buffer_size(c_params, &c_size);
if (c_psize * 2 < c_size)
if (c_psize * 2 < c_size) {
snd_pcm_hw_params_get_periods_min(c_params, &val, NULL);
if (val > 2 ) {
printf("capture device does not support 2 periods per buffer\n");
exit(0);
}
goto __again;
}
if ((err = setparams_set(phandle, p_params, p_swparams, "playback")) < 0) {
printf("Unable to set sw parameters for playback stream: %s\n", snd_strerror(err));
exit(0);