Update of /cvsroot/alsa/alsa-lib/test
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv10655
Modified Files:
pcm.c
Log Message:
Added verbose flag
Index: pcm.c
===================================================================
RCS file: /cvsroot/alsa/alsa-lib/test/pcm.c,v
retrieving revision 1.29
retrieving revision 1.30
diff -u -r1.29 -r1.30
--- pcm.c 3 Feb 2004 16:14:39 -0000 1.29
+++ pcm.c 5 Feb 2004 11:01:55 -0000 1.30
@@ -19,6 +19,7 @@
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 */
snd_pcm_sframes_t buffer_size;
snd_pcm_sframes_t period_size;
@@ -148,7 +149,8 @@
printf("Unable to determine current swparams for playback: %s\n",
snd_strerror(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);
if (err < 0) {
printf("Unable to set start threshold mode for playback: %s\n",
snd_strerror(err));
@@ -698,6 +700,7 @@
"-b,--buffer ring buffer size in us\n"
"-p,--period period size in us\n"
"-m,--method transfer method\n"
+"-v,--verbose show the PCM setup parameters\n"
"\n");
printf("Recognized sample formats are:");
for (k = 0; k < SND_PCM_FORMAT_LAST; ++(unsigned long) k) {
@@ -724,6 +727,7 @@
{"buffer", 1, NULL, 'b'},
{"period", 1, NULL, 'p'},
{"method", 1, NULL, 'm'},
+ {"verbose", 1, NULL, 'v'},
{NULL, 0, NULL, 0},
};
snd_pcm_t *handle;
@@ -741,7 +745,7 @@
morehelp = 0;
while (1) {
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;
switch (c) {
case 'h':
@@ -782,6 +786,9 @@
if (transfer_methods[method].name == NULL)
method = 0;
break;
+ case 'v':
+ verbose = 1;
+ break;
}
}
@@ -815,6 +822,9 @@
exit(EXIT_FAILURE);
}
+ if (verbose > 0)
+ snd_pcm_dump(handle, output);
+
samples = malloc((period_size * channels * snd_pcm_format_width(format)) / 8);
if (samples == NULL) {
printf("No enough memory\n");
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