--- /dev/null
+
+/*
+ * 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 FADEENGINE_H
+#define FADEENGINE_H
+
+#include "loadbalance.h"
+#include "vframe.inc"
+
+
+class FadeEngine;
+
+class FadePackage : public LoadPackage
+{
+public:
+ FadePackage();
+
+ int out_row1, out_row2;
+};
+
+
+
+class FadeUnit : public LoadClient
+{
+public:
+ FadeUnit(FadeEngine *engine);
+ ~FadeUnit();
+
+ void process_package(LoadPackage *package);
+
+ FadeEngine *engine;
+};
+
+class FadeEngine : public LoadServer
+{
+public:
+ FadeEngine(int cpus);
+ ~FadeEngine();
+
+// the input pointer is never different than the output pointer in any
+// of the callers
+ void do_fade(VFrame *output, VFrame *input, float alpha);
+
+ void init_packages();
+ LoadClient* new_client();
+ LoadPackage* new_package();
+
+ VFrame *output;
+ VFrame *input;
+ float alpha;
+};
+
+
+
+#endif