From 76abb9738e9c60dde7088879935a0361852ee897 Mon Sep 17 00:00:00 2001
From: Jaroslav Kysela <perex@perex.cz>
Date: Wed, 17 Oct 2001 15:04:39 +0000
Subject: [PATCH] Enhanced, added -c, -r options

---
 test/pcm.c | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/test/pcm.c b/test/pcm.c
index 822127df..998a8b83 100644
--- a/test/pcm.c
+++ b/test/pcm.c
@@ -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;
-- 
2.47.1