Merge CV, ver=5.1; ops/methods from HV, and interface from CV where possible

[goodguy/history.git] / cinelerra-5.1 / plugins / blur / blur.h

diff --git a/cinelerra-5.1/plugins/blur/blur.h b/cinelerra-5.1/plugins/blur/blur.h
new file mode 100644 (file)
index 0000000..b4a248c
--- /dev/null
+++ b/cinelerra-5.1/plugins/blur/blur.h
@@ -0,0 +1,150 @@
+
+/*
+ * CINELERRA
+ * Copyright (C) 2010 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 BLUR_H
+#define BLUR_H
+
+class BlurMain;
+class BlurEngine;
+
+#define MAXRADIUS 100
+
+#include "blurwindow.inc"
+#include "bchash.inc"
+#include "mutex.h"
+#include "overlayframe.h"
+#include "pluginvclient.h"
+#include "thread.h"
+#include "vframe.inc"
+
+typedef struct
+{
+       double r;
+    double g;
+    double b;
+    double a;
+} pixel_f;
+
+class BlurConfig
+{
+public:
+       BlurConfig();
+
+       int equivalent(BlurConfig &that);
+       void copy_from(BlurConfig &that);
+       void interpolate(BlurConfig &prev, 
+               BlurConfig &next, 
+               int64_t prev_frame, 
+               int64_t next_frame, 
+               int64_t current_frame);
+
+       int vertical;
+       int horizontal;
+       int radius;
+       int a, r ,g ,b;
+       int a_key;
+};
+
+class BlurMain : public PluginVClient
+{
+public:
+       BlurMain(PluginServer *server);
+       ~BlurMain();
+
+// required for all realtime plugins
+       int process_buffer(VFrame *frame,
+               int64_t start_position,
+               double frame_rate);
+       int is_realtime();
+       void save_data(KeyFrame *keyframe);
+       void read_data(KeyFrame *keyframe);
+       void update_gui();
+
+       PLUGIN_CLASS_MEMBERS(BlurConfig)
+
+       int need_reconfigure;
+
+private:
+       BlurEngine **engine;
+       OverlayFrame *overlayer;
+       VFrame *input_frame;
+};
+
+
+class BlurConstants
+{
+public:
+    double n_p[5], n_m[5];
+    double d_p[5], d_m[5];
+    double bd_p[5], bd_m[5];
+};
+
+class BlurEngine : public Thread
+{
+public:
+       BlurEngine(BlurMain *plugin);
+       ~BlurEngine();
+
+       void run();
+       void set_range(int start_y, 
+               int end_y,
+               int start_x,
+               int end_x);
+       int start_process_frame(VFrame *frame);
+       int wait_process_frame();
+
+// parameters needed for blur
+       int get_constants(BlurConstants *ptr, double std_dev);
+       int reconfigure(BlurConstants *constants, double alpha);
+       int transfer_pixels(pixel_f *src1, 
+               pixel_f *src2, 
+               pixel_f *src, 
+               double *radius,
+               pixel_f *dest, 
+               int size);
+       int multiply_alpha(pixel_f *row, int size);
+       int separate_alpha(pixel_f *row, int size);
+       int blur_strip3(int &size);
+       int blur_strip4(int &size);
+
+       int color_model;
+       double vmax;
+       pixel_f *val_p, *val_m;
+       double *radius;
+       BlurConstants forward_constants;
+       BlurConstants reverse_constants;
+       pixel_f *src, *dst;
+    pixel_f initial_p;
+    pixel_f initial_m;
+       int terms;
+       BlurMain *plugin;
+// A margin is introduced between the input and output to give a seemless transition between blurs
+       int start_y, start_x;
+       int end_y, end_x;
+       int last_frame;
+       int do_horizontal;
+// Detect changes in alpha for alpha radius mode
+       double prev_forward_radius, prev_reverse_radius;
+       Mutex input_lock, output_lock;
+       VFrame *frame;
+};
+
+#endif