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Added snd_pcm_hw_params_set_rate_resample function

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- snd_pcm_hw_params_set_rate_resample()
- snd_pcm_hw_params_get_rate_resample()
This commit is contained in:
Jaroslav Kysela 2005-04-12 12:09:55 +00:00
parent 72ad0e9ae7
commit f65d9f3108
9 changed files with 72 additions and 4 deletions
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13
test/pcm.c
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@ -20,6 +20,7 @@ unsigned int buffer_time = 500000; /* ring buffer length in us */
unsigned int period_time = 100000; /* period time in us */
double freq = 440; /* sinusoidal wave frequency in Hz */
int verbose = 0; /* verbose flag */
int resample = 1; /* enable alsa-lib resampling */
snd_pcm_sframes_t buffer_size;
snd_pcm_sframes_t period_size;
@ -80,6 +81,12 @@ static int set_hwparams(snd_pcm_t *handle,
printf("Broken configuration for playback: no configurations available: %s\n", snd_strerror(err));
return err;
}
/* set hardware resampling */
err = snd_pcm_hw_params_set_rate_resample(handle, params, resample);
if (err < 0) {
printf("Resampling setup failed for playback: %s\n", snd_strerror(err));
return err;
}
/* set the interleaved read/write format */
err = snd_pcm_hw_params_set_access(handle, params, access);
if (err < 0) {
@ -729,6 +736,7 @@ int main(int argc, char *argv[])
{"period", 1, NULL, 'p'},
{"method", 1, NULL, 'm'},
{"verbose", 1, NULL, 'v'},
{"noresample", 1, NULL, 'n'},
{NULL, 0, NULL, 0},
};
snd_pcm_t *handle;
@ -746,7 +754,7 @@ int main(int argc, char *argv[])
morehelp = 0;
while (1) {
int c;
if ((c = getopt_long(argc, argv, "hD:r:c:f:b:p:m:v", long_option, NULL)) < 0)
if ((c = getopt_long(argc, argv, "hD:r:c:f:b:p:m:vn", long_option, NULL)) < 0)
break;
switch (c) {
case 'h':
@ -790,6 +798,9 @@ int main(int argc, char *argv[])
case 'v':
verbose = 1;
break;
case 'n':
resample = 0;
break;
}
}