From: 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);