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Enhanced, added -c, -r options

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This commit is contained in:
Jaroslav Kysela 2001-10-17 15:04:39 +00:00
parent fe8ba5eb4e
commit 76abb9738e
1 changed files with 15 additions and 1 deletions
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16
test/pcm.c
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@ -152,6 +152,8 @@ static void help(void)
Usage: latency [OPTION]... [FILE]...
-h,--help help
-D,--device playback device
-r,--rate stream rate in Hz
-c,--channels count of channels in stream
-f,--frequency sine wave frequency in Hz
-b,--buffer ring buffer size in samples
-p,--period period size in us
@ -171,6 +173,8 @@ int main(int argc, char *argv[])
{
{"help", 0, NULL, 'h'},
{"device", 1, NULL, 'D'},
{"rate", 1, NULL, 'r'},
{"channels", 1, NULL, 'c'},
{"frequency", 1, NULL, 'f'},
{"buffer", 1, NULL, 'b'},
{"period", 1, NULL, 'p'},
@ -193,7 +197,7 @@ int main(int argc, char *argv[])
morehelp = 0;
while (1) {
int c;
if ((c = getopt_long(argc, argv, "hD:f:b:p:", long_option, NULL)) < 0)
if ((c = getopt_long(argc, argv, "hD:r:c:f:b:p:", long_option, NULL)) < 0)
break;
switch (c) {
case 'h':
@ -202,6 +206,16 @@ int main(int argc, char *argv[])
case 'D':
device = strdup(optarg);
break;
case 'r':
rate = atoi(optarg);
rate = rate < 4000 ? 4000 : rate;
rate = rate > 196000 ? 196000 : rate;
break;
case 'c':
channels = atoi(optarg);
channels = channels < 1 ? 1 : channels;
channels = channels > 1024 ? 1024 : channels;
break;
case 'f':
freq = atoi(optarg);
freq = freq < 50 ? 50 : freq;