X-Git-Url: http://git.cinelerra-gg.org/git/?a=blobdiff_plain;f=cinelerra-5.1%2Fguicast%2Fbctimer.h;fp=cinelerra-5.1%2Fguicast%2Fbctimer.h;h=32e486fb5dbce479e9e3dd89b30f5578b07af7d7;hb=30bdb85eb33a8ee7ba675038a86c6be59c43d7bd;hp=0000000000000000000000000000000000000000;hpb=52fcc46226f9df46f9ce9d0566dc568455a7db0b;p=goodguy%2Fhistory.git

diff --git a/cinelerra-5.1/guicast/bctimer.h b/cinelerra-5.1/guicast/bctimer.h
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+++ b/cinelerra-5.1/guicast/bctimer.h
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+
+/*
+ * CINELERRA
+ * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#ifndef BCTIMER_H
+#define BCTIMER_H
+
+#include <stdint.h>
+#include <sys/time.h>
+
+
+class Timer
+{
+public:
+	Timer();
+	virtual ~Timer();
+
+// set last update to now
+	int update();
+// subtract milliseconds from current difference
+	void subtract(int64_t value);
+
+// get difference between now and last update in milliseconds
+// must be positive or error results
+	int64_t get_difference(struct timeval *result); // also stores in timeval
+	int64_t get_difference();
+
+// get difference in arbitrary units between now and last update
+	int64_t get_scaled_difference(long denominator);
+	static int delay(long milliseconds);
+
+private:
+	struct timeval current_time;
+	struct timeval new_time;
+};
+
+
+
+#endif