add HV 7-3 new plugins
authorGood Guy <good1.2guy@gmail.com>
Thu, 25 Mar 2021 22:54:08 +0000 (16:54 -0600)
committerGood Guy <good1.2guy@gmail.com>
Thu, 25 Mar 2021 22:54:08 +0000 (16:54 -0600)
cinelerra-5.1/plugins/Makefile
cinelerra-5.1/plugins/posterize/Makefile [new file with mode: 0644]
cinelerra-5.1/plugins/posterize/posterize.C [new file with mode: 0644]
cinelerra-5.1/plugins/posterize/posterize.h [new file with mode: 0644]
cinelerra-5.1/plugins/timelapsehelper/Makefile [new file with mode: 0644]
cinelerra-5.1/plugins/timelapsehelper/timelapsehelper.C [new file with mode: 0644]

index 39230250687fadfa422a58c8e029dc1994c45e1f..ff00d7851ba44eecc7bff4038546aa059c99b8da 100644 (file)
@@ -110,6 +110,7 @@ DIRS = $(OPENCV_OBJS) \
        parametric \
        perspective \
        photoscale \
        parametric \
        perspective \
        photoscale \
+       posterize \
        pitch \
        polar \
        radialblur \
        pitch \
        polar \
        radialblur \
@@ -142,6 +143,7 @@ DIRS = $(OPENCV_OBJS) \
        timeavg \
        timeblur \
        timefront \
        timeavg \
        timeblur \
        timefront \
+       timelapsehelper \
        timestretch \
        timestretchrt \
        titler \
        timestretch \
        timestretchrt \
        titler \
diff --git a/cinelerra-5.1/plugins/posterize/Makefile b/cinelerra-5.1/plugins/posterize/Makefile
new file mode 100644 (file)
index 0000000..3e62f96
--- /dev/null
@@ -0,0 +1,9 @@
+include ../../plugin_defs
+
+OBJS = $(OBJDIR)/posterize.o
+
+PLUGIN = posterize
+
+include ../../plugin_config
+
+$(OBJDIR)/posterize.o: posterize.C
diff --git a/cinelerra-5.1/plugins/posterize/posterize.C b/cinelerra-5.1/plugins/posterize/posterize.C
new file mode 100644 (file)
index 0000000..2966ef2
--- /dev/null
@@ -0,0 +1,339 @@
+
+/*
+ * CINELERRA
+ * Copyright (C) 2008-2021 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
+ *
+ */
+
+#include "clip.h"
+#include "filexml.h"
+#include "language.h"
+#include "posterize.h"
+#include "theme.h"
+
+#include <stdio.h>
+#include <string.h>
+
+
+REGISTER_PLUGIN(PosterizeMain)
+
+
+#define MIN_STEPS 1
+#define MAX_STEPS 255
+
+PosterizeConfig::PosterizeConfig()
+{
+       steps = 255;
+}
+
+int PosterizeConfig::equivalent(PosterizeConfig &that)
+{
+    return steps == that.steps;
+}
+
+void PosterizeConfig::copy_from(PosterizeConfig &that)
+{
+    steps = that.steps;
+}
+
+void PosterizeConfig::boundaries()
+{
+    CLAMP(steps, MIN_STEPS, MAX_STEPS);
+}
+
+
+void PosterizeConfig::interpolate(PosterizeConfig &prev, 
+       PosterizeConfig &next, 
+       int64_t prev_frame, 
+       int64_t next_frame, 
+       int64_t current_frame)
+{
+       double next_scale = (double)(current_frame - prev_frame) / (next_frame - prev_frame);
+       double prev_scale = (double)(next_frame - current_frame) / (next_frame - prev_frame);
+       this->steps = (int)(prev.steps * prev_scale + next.steps * next_scale);
+       boundaries();
+}
+
+PosterizeMain::PosterizeMain(PluginServer *server)
+ : PluginVClient(server)
+{
+       
+}
+
+PosterizeMain::~PosterizeMain()
+{
+       
+}
+
+const char* PosterizeMain::plugin_title() { return N_("Posterize"); }
+int PosterizeMain::is_realtime() { return 1; }
+
+NEW_WINDOW_MACRO(PosterizeMain, PosterizeWindow)
+LOAD_CONFIGURATION_MACRO(PosterizeMain, PosterizeConfig)
+
+
+void PosterizeMain::update_gui()
+{
+       if(thread)
+       {
+               if(load_configuration())
+        {
+               thread->window->lock_window();
+            ((PosterizeWindow*)thread->window)->update(1, 1);
+               thread->window->unlock_window();
+        }
+       }
+}
+
+
+
+void PosterizeMain::save_data(KeyFrame *keyframe)
+{
+       FileXML output;
+
+// cause data to be stored directly in text
+       output.set_shared_output(keyframe->xbuf);
+       output.tag.set_title("POSTERIZE");
+       output.tag.set_property("STEPS", config.steps);
+       output.append_tag();
+       output.tag.set_title("/POSTERIZE");
+       output.append_tag();
+       output.append_newline();
+       output.terminate_string();
+}
+
+void PosterizeMain::read_data(KeyFrame *keyframe)
+{
+       FileXML input;
+
+       input.set_shared_input(keyframe->xbuf);
+
+       int result = 0;
+
+       while(!result)
+       {
+               result = input.read_tag();
+
+               if(!result)
+               {
+                       if(input.tag.title_is("POSTERIZE"))
+                       {
+                               config.steps = input.tag.get_property("STEPS", config.steps);
+                       }
+               }
+       }
+    
+       config.boundaries();
+}
+
+
+#define PROCESS(type, components, yuv) \
+{ \
+       for(int i = 0; i < h; i++) \
+       { \
+               type *in_row = (type*)frame->get_rows()[i]; \
+               type *out_row = (type*)frame->get_rows()[i]; \
+ \
+        for(int j = 0; j < w; j++) \
+        { \
+            if(sizeof(type) == 4) \
+            { \
+                out_row[j * components + 0] = (int)(in_row[j * components + 0] / division) * division; \
+                out_row[j * components + 1] = (int)(in_row[j * components + 1] / division) * division; \
+                out_row[j * components + 2] = (int)(in_row[j * components + 2] / division) * division; \
+            } \
+            else \
+            { \
+                out_row[j * components + 0] = table_r[(int)in_row[j * components + 0]]; \
+                out_row[j * components + 1] = table_g[(int)in_row[j * components + 1]]; \
+                out_row[j * components + 2] = table_b[(int)in_row[j * components + 2]]; \
+            } \
+        } \
+       } \
+}
+
+
+int PosterizeMain::process_buffer(VFrame *frame,
+       int64_t start_position,
+       double frame_rate)
+{
+       load_configuration();
+
+       read_frame(frame, 
+               0, 
+               start_position, 
+               frame_rate,
+               0);
+
+       int w = frame->get_w();
+       int h = frame->get_h();
+
+    int table_r[256];
+    int table_g[256];
+    int table_b[256];
+    float division = (float)255 / config.steps;
+    for(int i = 0; i < 256; i++)
+    {
+// luma/red
+        table_r[i] = (int)(i / division) * division;
+//printf("PosterizeMain::process_buffer %d i=%d %d\n", __LINE__, i, table_r[i]);
+//         if(BC_CModels::is_yuv(frame->get_color_model()))
+//         {
+//             table_g[i] = (int)(i / division) * division;
+//             table_b[i] = (int)(i / division) * division;
+//         }
+//         else
+//         {
+            table_g[i] = table_r[i];
+            table_b[i] = table_r[i];
+//        }
+    }
+
+
+
+       switch(frame->get_color_model())
+       {
+               case BC_YUV888:
+                       PROCESS(unsigned char, 3, 1);
+                       break;
+               case BC_YUVA8888:
+                       PROCESS(unsigned char, 4, 1);
+                       break;
+               case BC_RGB888:
+                       PROCESS(unsigned char, 3, 0);
+                       break;
+               case BC_RGBA8888:
+                       PROCESS(unsigned char, 4, 0);
+                       break;
+               case BC_RGB_FLOAT:
+            division = (float)1 / config.steps;
+                       PROCESS(float, 3, 0);
+                       break;
+               case BC_RGBA_FLOAT:
+            division = (float)1 / config.steps;
+                       PROCESS(float, 4, 0);
+                       break;
+       }
+
+       return 0;
+}
+
+
+
+PosterizeText::PosterizeText(PosterizeMain *plugin,
+    PosterizeWindow *gui,
+    int x,
+    int y,
+    int w,
+    int *output)
+ : BC_TextBox(x, y, w, 1, (int64_t)*output, 1, MEDIUMFONT)
+{
+    this->plugin = plugin;
+    this->gui = gui;
+       this->output = output;
+}
+
+int PosterizeText::handle_event()
+{
+    *output = atoi(get_text());
+    gui->update(1, 0);
+    plugin->send_configure_change();
+    return 1;
+}
+
+
+
+
+PosterizeSlider::PosterizeSlider(PosterizeMain *plugin,
+    PosterizeWindow *gui,
+       int x,
+       int y,
+    int w,
+       int *output,
+       int min,
+       int max)
+ : BC_ISlider(x, y, 0, w, w, min, max, *output)
+{
+       this->plugin = plugin;
+    this->gui = gui;
+       this->output = output;
+}
+int PosterizeSlider::handle_event()
+{
+       *output = get_value();
+    gui->update(0, 1);
+       plugin->send_configure_change();
+       return 1;
+}
+
+
+
+
+
+PosterizeWindow::PosterizeWindow(PosterizeMain *plugin)
+ : PluginClientWindow(plugin,
+       xS(300),
+       yS(100),
+       xS(300),
+       yS(100),
+       0)
+{ 
+       this->plugin = plugin; 
+}
+
+PosterizeWindow::~PosterizeWindow()
+{
+}
+
+void PosterizeWindow::create_objects()
+{
+    int text_w = xS(100);
+       int margin = client->get_theme()->widget_border;
+       int x = margin, y = margin;
+    BC_Title *title;
+       add_tool(title = new BC_Title(x, y, _("Steps per channel:")));
+    y += title->get_h() + margin;
+    add_tool(slider = new PosterizeSlider(plugin,
+        this,
+           x,
+           y,
+        get_w() - text_w - margin - margin - margin,
+           &plugin->config.steps,
+           MIN_STEPS,
+           MAX_STEPS));
+    x += slider->get_w() + margin;
+    add_tool(text = new PosterizeText(plugin,
+        this,
+        x,
+        y,
+        text_w,
+        &plugin->config.steps));
+
+       show_window();
+       flush();
+}
+
+void PosterizeWindow::update(int do_slider, int do_text)
+{
+       if(do_text) text->update((int64_t)plugin->config.steps);
+       if(do_slider) slider->update(plugin->config.steps);
+}
+
+
+
+
+
diff --git a/cinelerra-5.1/plugins/posterize/posterize.h b/cinelerra-5.1/plugins/posterize/posterize.h
new file mode 100644 (file)
index 0000000..aae6466
--- /dev/null
@@ -0,0 +1,117 @@
+
+/*
+ * CINELERRA
+ * Copyright (C) 2008-2020 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 POSTERIZE_H
+#define POSTERIZE_H
+
+class PosterizeMain;
+class PosterizeWindow;
+
+#include "bchash.h"
+#include "mutex.h"
+#include "pluginvclient.h"
+#include <sys/types.h>
+
+class PosterizeConfig
+{
+public:
+       PosterizeConfig();
+       int equivalent(PosterizeConfig &that);
+       void copy_from(PosterizeConfig &that);
+       void interpolate(PosterizeConfig &prev, 
+               PosterizeConfig &next, 
+               int64_t prev_frame, 
+               int64_t next_frame, 
+               int64_t current_frame);
+       void boundaries();
+       int steps;
+};
+
+class PosterizeMain : public PluginVClient
+{
+public:
+       PosterizeMain(PluginServer *server);
+       ~PosterizeMain();
+
+// required for all realtime plugins
+       PLUGIN_CLASS_MEMBERS(PosterizeConfig);
+       int process_buffer(VFrame *frame,
+               int64_t start_position,
+               double frame_rate);
+       int is_realtime();
+       void update_gui();
+       void save_data(KeyFrame *keyframe);
+       void read_data(KeyFrame *keyframe);
+};
+
+
+
+class PosterizeSlider : public BC_ISlider
+{
+public:
+       PosterizeSlider(PosterizeMain *plugin, 
+        PosterizeWindow *gui,
+               int x, 
+               int y, 
+        int w,
+               int *output,
+               int min,
+               int max);
+       int handle_event();
+       PosterizeMain *plugin;
+    PosterizeWindow *gui;
+       int *output;
+};
+
+class PosterizeText : public BC_TextBox
+{
+public:
+    PosterizeText(PosterizeMain *plugin, 
+        PosterizeWindow *gui,
+        int x, 
+        int y, 
+        int w, 
+        int *output);
+    int handle_event();
+       PosterizeMain *plugin;
+    PosterizeWindow *gui;
+       int *output;
+};
+
+
+
+class PosterizeWindow : public PluginClientWindow
+{
+public:
+       PosterizeWindow(PosterizeMain *plugin);
+       ~PosterizeWindow();
+       
+       void create_objects();
+
+       void update(int do_slider, int do_text);
+
+       PosterizeMain *plugin;
+       PosterizeText *text;
+    PosterizeSlider *slider;
+};
+
+
+#endif
diff --git a/cinelerra-5.1/plugins/timelapsehelper/Makefile b/cinelerra-5.1/plugins/timelapsehelper/Makefile
new file mode 100644 (file)
index 0000000..030abcc
--- /dev/null
@@ -0,0 +1,9 @@
+include ../../plugin_defs
+
+OBJS = $(OBJDIR)/timelapsehelper.o
+
+PLUGIN = timelapsehelper
+
+include ../../plugin_config
+
+$(OBJDIR)/timelapsehelper.o: timelapsehelper.C
diff --git a/cinelerra-5.1/plugins/timelapsehelper/timelapsehelper.C b/cinelerra-5.1/plugins/timelapsehelper/timelapsehelper.C
new file mode 100644 (file)
index 0000000..3605d2a
--- /dev/null
@@ -0,0 +1,447 @@
+
+/*
+ * CINELERRA
+ * Copyright (C) 2021 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
+ *
+ */
+
+
+// output 1 frame for each block of frames
+// take the most similar frame in the current block of frames to the previous frame
+// this is for 3D printers where you want the bed in the same position
+
+
+#include "bcdisplayinfo.h"
+#include "clip.h"
+#include "bchash.h"
+#include "filexml.h"
+#include "guicast.h"
+#include "keyframe.h"
+#include "language.h"
+#include "transportque.inc"
+#include "pluginvclient.h"
+#include "theme.h"
+#include "vframe.h"
+
+#include <string.h>
+#include <stdint.h>
+
+
+class TimelapseHelper;
+class TimelapseHelperWindow;
+
+
+class TimelapseHelperConfig
+{
+public:
+       TimelapseHelperConfig();
+       void copy_from(TimelapseHelperConfig &config);
+       int equivalent(TimelapseHelperConfig &config);
+    void interpolate(TimelapseHelperConfig &prev, 
+           TimelapseHelperConfig &next, 
+           int64_t prev_frame, 
+           int64_t next_frame, 
+           int64_t current_frame);
+
+       int block_size;
+};
+
+
+
+
+class TimelapseHelperSize : public BC_TumbleTextBox
+{
+public:
+       TimelapseHelperSize(TimelapseHelper *plugin,
+               TimelapseHelperWindow *gui, 
+               int x,
+               int y,
+        int w);
+       int handle_event();
+       TimelapseHelper *plugin;
+       TimelapseHelperWindow *gui;
+};
+
+
+class TimelapseHelperWindow : public PluginClientWindow
+{
+public:
+       TimelapseHelperWindow(TimelapseHelper *plugin);
+       ~TimelapseHelperWindow();
+
+       void create_objects();
+
+       TimelapseHelper *plugin;
+       TimelapseHelperSize *size;
+};
+
+
+
+
+
+class TimelapseHelper : public PluginVClient
+{
+public:
+       TimelapseHelper(PluginServer *server);
+       ~TimelapseHelper();
+
+       PLUGIN_CLASS_MEMBERS(TimelapseHelperConfig)
+
+       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();
+
+       int64_t calculate_difference(VFrame *frame1, VFrame *frame2);
+
+
+// frame used from the last block
+       VFrame *ref;
+};
+
+
+
+
+
+
+
+
+
+
+
+
+TimelapseHelperConfig::TimelapseHelperConfig()
+{
+       block_size = 10;
+}
+
+void TimelapseHelperConfig::copy_from(TimelapseHelperConfig &config)
+{
+       this->block_size = config.block_size;
+}
+
+int TimelapseHelperConfig::equivalent(TimelapseHelperConfig &config)
+{
+       return this->block_size == config.block_size;
+}
+
+void TimelapseHelperConfig::interpolate(TimelapseHelperConfig &prev, 
+       TimelapseHelperConfig &next, 
+       int64_t prev_frame, 
+       int64_t next_frame, 
+       int64_t current_frame)
+{
+       this->block_size = next.block_size;
+}
+
+
+
+
+
+
+
+
+TimelapseHelperWindow::TimelapseHelperWindow(TimelapseHelper *plugin)
+ : PluginClientWindow(plugin,
+       xS(230),
+       yS(160),
+       xS(230),
+       yS(160),
+       0)
+{
+       this->plugin = plugin;
+}
+
+TimelapseHelperWindow::~TimelapseHelperWindow()
+{
+}
+
+void TimelapseHelperWindow::create_objects()
+{
+    int margin = client->get_theme()->widget_border;
+       int x = margin, y = margin;
+
+       BC_Title *title;
+       add_subwindow(title = new BC_Title(x, y, _("Number of frames per block:")));
+       y += title->get_h() + margin;
+       size = new TimelapseHelperSize(plugin,
+               this,
+               x,
+               y,
+        get_w() - x - margin);
+    size->create_objects();
+       show_window();
+}
+
+
+
+
+
+
+
+
+
+
+
+
+
+TimelapseHelperSize::TimelapseHelperSize(TimelapseHelper *plugin,
+       TimelapseHelperWindow *gui, 
+       int x,
+       int y,
+    int w)
+ : BC_TumbleTextBox(gui,
+    plugin->config.block_size, 
+    1,
+    1000,
+    x,
+       y,
+       w)
+{
+       this->plugin = plugin;
+       this->gui = gui;
+}
+
+int TimelapseHelperSize::handle_event()
+{
+       plugin->config.block_size = atoi(get_text());
+       plugin->send_configure_change();
+       return 1;
+}
+
+
+
+
+
+
+
+
+
+
+REGISTER_PLUGIN(TimelapseHelper)
+
+
+
+
+
+
+TimelapseHelper::TimelapseHelper(PluginServer *server)
+ : PluginVClient(server)
+{
+       ref = 0;
+}
+
+
+TimelapseHelper::~TimelapseHelper()
+{
+       if(ref)
+    {
+        delete ref;
+    }
+}
+
+#define DIFFERENCE_MACRO(type, temp_type, components) \
+{ \
+       temp_type result2 = 0; \
+       for(int i = 0; i < h; i++) \
+       { \
+               type *row1 = (type*)frame1->get_rows()[i]; \
+               type *row2 = (type*)frame2->get_rows()[i]; \
+               for(int j = 0; j < w * components; j++) \
+               { \
+                       temp_type temp = *row1 - *row2; \
+                       result2 += (temp > 0 ? temp : -temp); \
+                       row1++; \
+                       row2++; \
+               } \
+       } \
+       result = (int64_t)result2; \
+}
+
+int64_t TimelapseHelper::calculate_difference(VFrame *frame1, VFrame *frame2)
+{
+       int w = frame1->get_w();
+       int h = frame1->get_h();
+       int64_t result = 0;
+       switch(frame1->get_color_model())
+       {
+               case BC_RGB888:
+               case BC_YUV888:
+                       DIFFERENCE_MACRO(unsigned char, int64_t, 3);
+                       break;
+               case BC_RGB_FLOAT:
+                       DIFFERENCE_MACRO(float, double, 3);
+                       break;
+               case BC_RGBA8888:
+               case BC_YUVA8888:
+                       DIFFERENCE_MACRO(unsigned char, int64_t, 4);
+                       break;
+               case BC_RGBA_FLOAT:
+                       DIFFERENCE_MACRO(float, double, 4);
+                       break;
+               case BC_RGB161616:
+               case BC_YUV161616:
+                       DIFFERENCE_MACRO(uint16_t, int64_t, 3);
+                       break;
+               case BC_RGBA16161616:
+               case BC_YUVA16161616:
+                       DIFFERENCE_MACRO(uint16_t, int64_t, 4);
+                       break;
+       }
+       return result;
+}
+
+
+
+int TimelapseHelper::process_buffer(VFrame *frame,
+       int64_t start_position,
+       double frame_rate)
+{
+       load_configuration();
+
+// calculate frame positions
+    int64_t ref_position = get_source_start();
+    int64_t block_start;
+    int64_t block_end;
+    block_start = ref_position + (start_position - ref_position) * config.block_size;
+    block_end = block_start + config.block_size;
+
+printf("TimelapseHelper::process_buffer %d current_position=%ld ref_position=%ld block_start=%ld block_end=%ld\n", 
+__LINE__, 
+start_position,
+ref_position,
+block_start,
+block_end);
+
+// load initial reference frame from plugin start
+       if(!ref)
+       {
+               ref = new VFrame(0,
+                       -1,
+                       frame->get_w(),
+                       frame->get_h(),
+                       frame->get_color_model(),
+                       -1);
+        read_frame(ref, 
+                       0, 
+                       ref_position, 
+                       frame_rate,
+                       0);
+        frame->copy_from(ref);
+       }
+    else
+// compare next block of frames to reference frame
+    {
+        VFrame *temp = new_temp(frame->get_w(),
+                       frame->get_h(),
+                       frame->get_color_model());
+        int64_t best = 0x7fffffffffffffffLL;
+        for(int64_t i = block_start; i < block_end; i++)
+        {
+
+            if(get_direction() == PLAY_FORWARD)
+            {
+                read_frame(temp, 
+                               0, 
+                               i, 
+                               frame_rate,
+                               0);
+            }
+            else
+            {
+                read_frame(temp, 
+                               0, 
+                               i + 1, 
+                               frame_rate,
+                               0);
+            }
+            
+            int64_t diff = calculate_difference(temp, 
+                                       ref);
+            if(diff < best)
+            {
+                best = diff;
+                frame->copy_from(temp);
+            }
+        }
+
+// replace reference frame with best match
+        ref->copy_from(frame);
+    }
+
+       return 0;
+}
+
+
+
+const char* TimelapseHelper::plugin_title() { return N_("Timelapse Helper"); }
+int TimelapseHelper::is_realtime() { return 1; }
+
+NEW_WINDOW_MACRO(TimelapseHelper, TimelapseHelperWindow)
+
+LOAD_CONFIGURATION_MACRO(TimelapseHelper, TimelapseHelperConfig)
+
+
+void TimelapseHelper::save_data(KeyFrame *keyframe)
+{
+       FileXML output;
+
+// cause data to be stored directly in text
+       output.set_shared_output(keyframe->xbuf);
+       output.tag.set_title("TIMELAPSEHELPER");
+       output.tag.set_property("BLOCK_SIZE", config.block_size);
+       output.append_tag();
+        output.tag.set_title("/TIMELAPSEHELPER");
+        output.append_tag();
+        output.append_newline();
+       output.terminate_string();
+}
+
+void TimelapseHelper::read_data(KeyFrame *keyframe)
+{
+       FileXML input;
+
+       input.set_shared_input(keyframe->xbuf);
+
+       while(!input.read_tag())
+       {
+               if(input.tag.title_is("TIMELAPSEHELPER"))
+               {
+                       config.block_size = input.tag.get_property("BLOCK_SIZE", config.block_size);
+        }
+       }
+}
+
+void TimelapseHelper::update_gui()
+{
+       if(thread)
+       {
+               if(load_configuration())
+               {
+                       ((TimelapseHelperWindow*)thread->window)->lock_window("TimelapseHelper::update_gui");
+                       ((TimelapseHelperWindow*)thread->window)->size->update((int64_t)config.block_size);
+                       ((TimelapseHelperWindow*)thread->window)->unlock_window();
+               }
+       }
+}
+
+
+
+