--- /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 IVTC_H
+#define IVTC_H
+
+class IVTCMain;
+class IVTCEngine;
+
+#include "bchash.h"
+#include "loadbalance.h"
+#include "mutex.h"
+#include "pluginvclient.h"
+#include "ivtcwindow.h"
+#include <sys/types.h>
+
+class IVTCEngine;
+
+class IVTCConfig
+{
+public:
+ IVTCConfig();
+ int frame_offset;
+// 0 - even 1 - odd
+ int first_field;
+ int automatic;
+ float auto_threshold;
+ int pattern;
+ enum
+ {
+ PULLDOWN32,
+ SHIFTFIELD,
+ AUTOMATIC
+ };
+};
+
+class IVTCMain : public PluginVClient
+{
+public:
+ IVTCMain(PluginServer *server);
+ ~IVTCMain();
+
+// required for all realtime plugins
+ int process_realtime(VFrame *input_ptr, VFrame *output_ptr);
+ int is_realtime();
+ void save_data(KeyFrame *keyframe);
+ void read_data(KeyFrame *keyframe);
+ PLUGIN_CLASS_MEMBERS(IVTCConfig)
+ void update_gui();
+ void render_stop();
+
+ void compare_fields(VFrame *frame1,
+ VFrame *frame2,
+ int64_t &field1,
+ int64_t &field2);
+ int64_t compare(VFrame *current_avg,
+ VFrame *current_orig,
+ VFrame *previous,
+ int field);
+
+ void deinterlace_avg(VFrame *output, VFrame *input, int dominance);
+
+
+ VFrame *temp_frame[2];
+ VFrame *input, *output;
+
+// Automatic IVTC variables
+// Difference between averaged current even lines and original even lines
+ int64_t even_vs_current;
+// Difference between averaged current even lines and previous even lines
+ int64_t even_vs_prev;
+// Difference between averaged current odd lines and original odd lines
+ int64_t odd_vs_current;
+// Difference between averaged current odd lines and previous odd lines
+ int64_t odd_vs_prev;
+
+// Closest combination of fields in previous calculation.
+// If the lowest current combination is too big and the previous strategy
+// was direct copy, copy the previous frame.
+ int64_t previous_min;
+ int previous_strategy;
+ IVTCEngine *engine;
+};
+
+
+class IVTCPackage : public LoadPackage
+{
+public:
+ IVTCPackage();
+ int y1, y2;
+};
+
+class IVTCUnit : public LoadClient
+{
+public:
+ IVTCUnit(IVTCEngine *server, IVTCMain *plugin);
+ void process_package(LoadPackage *package);
+ void clear_totals();
+ IVTCEngine *server;
+ IVTCMain *plugin;
+ int64_t even_vs_current;
+ int64_t even_vs_prev;
+ int64_t odd_vs_current;
+ int64_t odd_vs_prev;
+};
+
+
+class IVTCEngine : public LoadServer
+{
+public:
+ IVTCEngine(IVTCMain *plugin, int cpus);
+ ~IVTCEngine();
+ void init_packages();
+ LoadClient* new_client();
+ LoadPackage* new_package();
+ IVTCMain *plugin;
+};
+
+#endif