From: michael <michael>
Date: Sat, 1 Jul 2006 21:56:31 +0000 (+0000)
Subject: don't call gettimeofday for every packet...
X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/record-dvb/commitdiff_plain/6ac47f90d7d4b382ea7e1e399460ade12f17522b?ds=sidebyside

don't call gettimeofday for every packet...
---

diff --git a/record-dvb.c b/record-dvb.c
index 45d2fcb..bc47ecf 100644
--- a/record-dvb.c
+++ b/record-dvb.c
@@ -14,11 +14,12 @@
 #include "mcast.h"
 
 #define CHUNKSIZE 1500
+#define GTOD_INTERVAL 100
 
 void record(int(*open_fn)(char *), char *url, char *outfile, int duration)
 {
 	struct timeval start, curr;
-	int bytes, written;
+	int bytes, written, count = 0;
 	char buffer[CHUNKSIZE];
 	int i;
 	int in, out;
@@ -36,6 +37,7 @@ void record(int(*open_fn)(char *), char *url, char *outfile, int duration)
 	printf("Recording from %s for %d seconds...\n", url, duration);
 
 	gettimeofday(&start, NULL);
+	curr = start;
 
 	do {
 		if ((bytes = recv(in, buffer, CHUNKSIZE, 0)) < 1) {
@@ -54,7 +56,10 @@ void record(int(*open_fn)(char *), char *url, char *outfile, int duration)
 			written += i;
 		} while(written < bytes);
 
-		gettimeofday(&curr, NULL);
+		count++;
+
+		if (!(count % GTOD_INTERVAL))
+			gettimeofday(&curr, NULL);
 	} while (curr.tv_sec < start.tv_sec+duration);
 
 	close(out);