Mike Taht's fix for proper alsa xrun duration measurement.

git-svn-id: http://subversion.jackaudio.org/jack/jack2/trunk/jackmp@2254 0c269be4-1314-0410-8aa9-9f06e86f4224

ChangeLog

@@ -20,6 +20,10 @@ Fernando Lopez-Lezcano
   Jackdmp changes log
 ---------------------------
 
+2008-05-09 Stephane Letz  <letz@grame.fr>
+
+	* Mike Taht's fix for proper alsa xrun duration measurement.
+
 2008-05-06 Stephane Letz  <letz@grame.fr>
 
 	* Fix JackPosixThread::StartImp and JackWinThread::StartImp.

linux/alsa/JackAlsaDriver.cpp

@@ -1204,7 +1204,7 @@ JackAlsaDriver::alsa_driver_xrun_recovery (alsa_driver_t *driver, float *delayed
             && driver->process_count > XRUN_REPORT_DELAY) {
         struct timeval now, diff, tstamp;
         driver->xrun_count++;
-        gettimeofday(&now, 0);
+        snd_pcm_status_get_tstamp(status,&now); 
         snd_pcm_status_get_trigger_tstamp(status, &tstamp);
         timersub(&now, &tstamp, &diff);
         *delayed_usecs = diff.tv_sec * 1000000.0 + diff.tv_usec;