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Added verbose flag

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This commit is contained in:
Jaroslav Kysela 2004-02-05 11:01:55 +00:00
parent 77a9f73984
commit 2f1a2513dc
1 changed files with 12 additions and 2 deletions
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14
test/pcm.c
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@ -19,6 +19,7 @@ unsigned int channels = 1; /* count of channels */
unsigned int buffer_time = 500000; /* ring buffer length in us */ unsigned int buffer_time = 500000; /* ring buffer length in us */
unsigned int period_time = 100000; /* period time in us */ unsigned int period_time = 100000; /* period time in us */
double freq = 440; /* sinusoidal wave frequency in Hz */ double freq = 440; /* sinusoidal wave frequency in Hz */
int verbose = 0; /* verbose flag */
snd_pcm_sframes_t buffer_size; snd_pcm_sframes_t buffer_size;
snd_pcm_sframes_t period_size; snd_pcm_sframes_t period_size;
@ -148,7 +149,8 @@ static int set_swparams(snd_pcm_t *handle, snd_pcm_sw_params_t *swparams)
printf("Unable to determine current swparams for playback: %s\n", snd_strerror(err)); printf("Unable to determine current swparams for playback: %s\n", snd_strerror(err));
return err; return err;
} }
/* start the transfer when the buffer is almost full */ /* start the transfer when the buffer is almost full: */
/* (buffer_size / avail_min) * avail_min */
err = snd_pcm_sw_params_set_start_threshold(handle, swparams, (buffer_size / period_size) * period_size); err = snd_pcm_sw_params_set_start_threshold(handle, swparams, (buffer_size / period_size) * period_size);
if (err < 0) { if (err < 0) {
printf("Unable to set start threshold mode for playback: %s\n", snd_strerror(err)); printf("Unable to set start threshold mode for playback: %s\n", snd_strerror(err));
@ -698,6 +700,7 @@ static void help(void)
"-b,--buffer ring buffer size in us\n" "-b,--buffer ring buffer size in us\n"
"-p,--period period size in us\n" "-p,--period period size in us\n"
"-m,--method transfer method\n" "-m,--method transfer method\n"
"-v,--verbose show the PCM setup parameters\n"
"\n"); "\n");
printf("Recognized sample formats are:"); printf("Recognized sample formats are:");
for (k = 0; k < SND_PCM_FORMAT_LAST; ++(unsigned long) k) { for (k = 0; k < SND_PCM_FORMAT_LAST; ++(unsigned long) k) {
@ -724,6 +727,7 @@ int main(int argc, char *argv[])
{"buffer", 1, NULL, 'b'}, {"buffer", 1, NULL, 'b'},
{"period", 1, NULL, 'p'}, {"period", 1, NULL, 'p'},
{"method", 1, NULL, 'm'}, {"method", 1, NULL, 'm'},
{"verbose", 1, NULL, 'v'},
{NULL, 0, NULL, 0}, {NULL, 0, NULL, 0},
}; };
snd_pcm_t *handle; snd_pcm_t *handle;
@ -741,7 +745,7 @@ int main(int argc, char *argv[])
morehelp = 0; morehelp = 0;
while (1) { while (1) {
int c; int c;
if ((c = getopt_long(argc, argv, "hD:r:c:f:b:p:m:", long_option, NULL)) < 0) if ((c = getopt_long(argc, argv, "hD:r:c:f:b:p:m:v", long_option, NULL)) < 0)
break; break;
switch (c) { switch (c) {
case 'h': case 'h':
@ -782,6 +786,9 @@ int main(int argc, char *argv[])
if (transfer_methods[method].name == NULL) if (transfer_methods[method].name == NULL)
method = 0; method = 0;
break; break;
case 'v':
verbose = 1;
break;
} }
} }
@ -815,6 +822,9 @@ int main(int argc, char *argv[])
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} }
if (verbose > 0)
snd_pcm_dump(handle, output);
samples = malloc((period_size * channels * snd_pcm_format_width(format)) / 8); samples = malloc((period_size * channels * snd_pcm_format_width(format)) / 8);
if (samples == NULL) { if (samples == NULL) {
printf("No enough memory\n"); printf("No enough memory\n");