Correct timing measurement error done in ALSA driver (r3253)

git-svn-id: http://subversion.jackaudio.org/jack/jack2/trunk/jackmp@3258 0c269be4-1314-0410-8aa9-9f06e86f4224

common/JackDriver.cpp

@@ -172,7 +172,7 @@ bool JackDriver::IsRealTime() const
 
 void JackDriver::CycleIncTime()
 {
-	fEngineControl->CycleIncTime(fBeginDateUst);
+    fEngineControl->CycleIncTime(fBeginDateUst);
 }
 
 void JackDriver::CycleTakeBeginTime()

common/JackNetInterface.cpp

@@ -105,7 +105,7 @@ namespace Jack
         midi_size = fParams.fMtu * ( max ( fParams.fSendMidiChannels, fParams.fReturnMidiChannels ) *
                                      fParams.fPeriodSize * sizeof ( sample_t ) / ( fParams.fMtu - sizeof ( packet_header_t ) ) );
         //bufsize = sync + audio + midi
-        bufsize = fParams.fMtu + ( int ) audio_size + ( int ) midi_size;
+        bufsize = 10 * (fParams.fMtu + ( int ) audio_size + ( int ) midi_size);
 
         //tx buffer
         if ( fSocket.SetOption ( SOL_SOCKET, SO_SNDBUF, &bufsize, sizeof ( bufsize ) ) == SOCKET_ERROR )

linux/alsa/JackAlsaDriver.cpp

@@ -1309,6 +1309,9 @@ JackAlsaDriver::alsa_driver_wait (alsa_driver_t *driver, int extra_fd, int *stat
 
 		poll_ret = jack_get_microseconds ();
 
+		// steph
+		fBeginDateUst = poll_ret;
+
 		if (extra_fd < 0) {
 			if (driver->poll_next && poll_ret > driver->poll_next) {
 				*delayed_usecs = poll_ret - driver->poll_next;