Merge CV, ver=5.1; ops/methods from HV, and interface from CV where possible
[goodguy/history.git] / cinelerra-5.1 / plugins / zoomblur / zoomblur.C
diff --git a/cinelerra-5.1/plugins/zoomblur/zoomblur.C b/cinelerra-5.1/plugins/zoomblur/zoomblur.C
new file mode 100644 (file)
index 0000000..2b38a4d
--- /dev/null
@@ -0,0 +1,1047 @@
+
+/*
+ * 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
+ * 
+ */
+
+#include <math.h>
+#include <stdint.h>
+#include <string.h>
+
+#include "bcdisplayinfo.h"
+#include "bcsignals.h"
+#include "clip.h"
+#include "bchash.h"
+#include "filexml.h"
+#include "keyframe.h"
+#include "language.h"
+#include "loadbalance.h"
+#include "pluginvclient.h"
+#include "vframe.h"
+
+
+
+class ZoomBlurMain;
+class ZoomBlurEngine;
+
+
+
+
+
+class ZoomBlurConfig
+{
+public:
+       ZoomBlurConfig();
+
+       int equivalent(ZoomBlurConfig &that);
+       void copy_from(ZoomBlurConfig &that);
+       void interpolate(ZoomBlurConfig &prev, 
+               ZoomBlurConfig &next, 
+               long prev_frame, 
+               long next_frame, 
+               long current_frame);
+
+       int x;
+       int y;
+       int radius;
+       int steps;
+       int r;
+       int g;
+       int b;
+       int a;
+};
+
+
+
+class ZoomBlurSize : public BC_ISlider
+{
+public:
+       ZoomBlurSize(ZoomBlurMain *plugin, 
+               int x, 
+               int y, 
+               int *output,
+               int min,
+               int max);
+       int handle_event();
+       ZoomBlurMain *plugin;
+       int *output;
+};
+
+class ZoomBlurToggle : public BC_CheckBox
+{
+public:
+       ZoomBlurToggle(ZoomBlurMain *plugin, 
+               int x, 
+               int y, 
+               int *output,
+               char *string);
+       int handle_event();
+       ZoomBlurMain *plugin;
+       int *output;
+};
+
+class ZoomBlurWindow : public PluginClientWindow
+{
+public:
+       ZoomBlurWindow(ZoomBlurMain *plugin);
+       ~ZoomBlurWindow();
+
+       void create_objects();
+
+       ZoomBlurSize *x, *y, *radius, *steps;
+       ZoomBlurToggle *r, *g, *b, *a;
+       ZoomBlurMain *plugin;
+};
+
+
+
+
+
+// Output coords for a layer of blurring
+// Used for OpenGL only
+class ZoomBlurLayer
+{
+public:
+       ZoomBlurLayer() {};
+       float x1, y1, x2, y2;
+};
+
+class ZoomBlurMain : public PluginVClient
+{
+public:
+       ZoomBlurMain(PluginServer *server);
+       ~ZoomBlurMain();
+
+       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();
+       int handle_opengl();
+
+       PLUGIN_CLASS_MEMBERS(ZoomBlurConfig)
+
+       void delete_tables();
+       VFrame *input, *output, *temp;
+       ZoomBlurEngine *engine;
+       int **scale_y_table;
+       int **scale_x_table;
+       ZoomBlurLayer *layer_table;
+       int table_entries;
+       int need_reconfigure;
+// The accumulation buffer is needed because 8 bits isn't precise enough
+       unsigned char *accum;
+};
+
+class ZoomBlurPackage : public LoadPackage
+{
+public:
+       ZoomBlurPackage();
+       int y1, y2;
+};
+
+class ZoomBlurUnit : public LoadClient
+{
+public:
+       ZoomBlurUnit(ZoomBlurEngine *server, ZoomBlurMain *plugin);
+       void process_package(LoadPackage *package);
+       ZoomBlurEngine *server;
+       ZoomBlurMain *plugin;
+};
+
+class ZoomBlurEngine : public LoadServer
+{
+public:
+       ZoomBlurEngine(ZoomBlurMain *plugin, 
+               int total_clients, 
+               int total_packages);
+       void init_packages();
+       LoadClient* new_client();
+       LoadPackage* new_package();
+       ZoomBlurMain *plugin;
+};
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+REGISTER_PLUGIN(ZoomBlurMain)
+
+
+
+ZoomBlurConfig::ZoomBlurConfig()
+{
+       x = 50;
+       y = 50;
+       radius = 10;
+       steps = 10;
+       r = 1;
+       g = 1;
+       b = 1;
+       a = 1;
+}
+
+int ZoomBlurConfig::equivalent(ZoomBlurConfig &that)
+{
+       return 
+               x == that.x &&
+               y == that.y &&
+               radius == that.radius &&
+               steps == that.steps &&
+               r == that.r &&
+               g == that.g &&
+               b == that.b &&
+               a == that.a;
+}
+
+void ZoomBlurConfig::copy_from(ZoomBlurConfig &that)
+{
+       x = that.x;
+       y = that.y;
+       radius = that.radius;
+       steps = that.steps;
+       r = that.r;
+       g = that.g;
+       b = that.b;
+       a = that.a;
+}
+
+void ZoomBlurConfig::interpolate(ZoomBlurConfig &prev, 
+       ZoomBlurConfig &next, 
+       long prev_frame, 
+       long next_frame, 
+       long 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->x = (int)(prev.x * prev_scale + next.x * next_scale + 0.5);
+       this->y = (int)(prev.y * prev_scale + next.y * next_scale + 0.5);
+       this->radius = (int)(prev.radius * prev_scale + next.radius * next_scale + 0.5);
+       this->steps = (int)(prev.steps * prev_scale + next.steps * next_scale + 0.5);
+       r = prev.r;
+       g = prev.g;
+       b = prev.b;
+       a = prev.a;
+}
+
+
+
+
+
+
+
+
+
+
+
+
+ZoomBlurWindow::ZoomBlurWindow(ZoomBlurMain *plugin)
+ : PluginClientWindow(plugin,
+       230, 
+       340, 
+       230, 
+       340, 
+       0)
+{
+       this->plugin = plugin; 
+}
+
+ZoomBlurWindow::~ZoomBlurWindow()
+{
+}
+
+void ZoomBlurWindow::create_objects()
+{
+       int x = 10, y = 10;
+
+       add_subwindow(new BC_Title(x, y, _("X:")));
+       y += 20;
+       add_subwindow(this->x = new ZoomBlurSize(plugin, x, y, &plugin->config.x, 0, 100));
+       y += 30;
+       add_subwindow(new BC_Title(x, y, _("Y:")));
+       y += 20;
+       add_subwindow(this->y = new ZoomBlurSize(plugin, x, y, &plugin->config.y, 0, 100));
+       y += 30;
+       add_subwindow(new BC_Title(x, y, _("Radius:")));
+       y += 20;
+       add_subwindow(radius = new ZoomBlurSize(plugin, x, y, &plugin->config.radius, -100, 100));
+       y += 30;
+       add_subwindow(new BC_Title(x, y, _("Steps:")));
+       y += 20;
+       add_subwindow(steps = new ZoomBlurSize(plugin, x, y, &plugin->config.steps, 1, 100));
+       y += 30;
+       add_subwindow(r = new ZoomBlurToggle(plugin, x, y, &plugin->config.r, _("Red")));
+       y += 30;
+       add_subwindow(g = new ZoomBlurToggle(plugin, x, y, &plugin->config.g, _("Green")));
+       y += 30;
+       add_subwindow(b = new ZoomBlurToggle(plugin, x, y, &plugin->config.b, _("Blue")));
+       y += 30;
+       add_subwindow(a = new ZoomBlurToggle(plugin, x, y, &plugin->config.a, _("Alpha")));
+       y += 30;
+
+       show_window();
+       flush();
+}
+
+
+
+
+
+
+
+
+
+
+
+
+ZoomBlurToggle::ZoomBlurToggle(ZoomBlurMain *plugin, 
+       int x, 
+       int y, 
+       int *output, 
+       char *string)
+ : BC_CheckBox(x, y, *output, string)
+{
+       this->plugin = plugin;
+       this->output = output;
+}
+
+int ZoomBlurToggle::handle_event()
+{
+       *output = get_value();
+       plugin->send_configure_change();
+       return 1;
+}
+
+
+
+
+
+
+
+ZoomBlurSize::ZoomBlurSize(ZoomBlurMain *plugin, 
+       int x, 
+       int y, 
+       int *output,
+       int min,
+       int max)
+ : BC_ISlider(x, y, 0, 200, 200, min, max, *output)
+{
+       this->plugin = plugin;
+       this->output = output;
+}
+int ZoomBlurSize::handle_event()
+{
+       *output = get_value();
+       plugin->send_configure_change();
+       return 1;
+}
+
+
+
+
+
+
+
+
+
+
+ZoomBlurMain::ZoomBlurMain(PluginServer *server)
+ : PluginVClient(server)
+{
+       
+       engine = 0;
+       scale_x_table = 0;
+       scale_y_table = 0;
+       layer_table = 0;
+       table_entries = 0;
+       accum = 0;
+       need_reconfigure = 1;
+       temp = 0;
+}
+
+ZoomBlurMain::~ZoomBlurMain()
+{
+       
+       if(engine) delete engine;
+       delete_tables();
+       if(accum) delete [] accum;
+       if(temp) delete temp;
+}
+
+const char* ZoomBlurMain::plugin_title() { return _("Zoom Blur"); }
+int ZoomBlurMain::is_realtime() { return 1; }
+
+
+
+NEW_WINDOW_MACRO(ZoomBlurMain, ZoomBlurWindow)
+
+LOAD_CONFIGURATION_MACRO(ZoomBlurMain, ZoomBlurConfig)
+
+void ZoomBlurMain::delete_tables()
+{
+       if(scale_x_table)
+       {
+               for(int i = 0; i < table_entries; i++)
+                       delete [] scale_x_table[i];
+               delete [] scale_x_table;
+       }
+
+       if(scale_y_table)
+       {
+               for(int i = 0; i < table_entries; i++)
+                       delete [] scale_y_table[i];
+               delete [] scale_y_table;
+       }
+
+       delete [] layer_table;
+       scale_x_table = 0;
+       scale_y_table = 0;
+       layer_table = 0;
+       table_entries = 0;
+}
+
+int ZoomBlurMain::process_buffer(VFrame *frame,
+               int64_t start_position,
+               double frame_rate)
+{
+       need_reconfigure |= load_configuration();
+
+
+SET_TRACE
+       read_frame(frame,
+               0,
+               get_source_position(),
+               get_framerate(),
+               get_use_opengl());
+
+SET_TRACE
+
+// Generate tables here.  The same table is used by many packages to render
+// each horizontal stripe.  Need to cover the entire output range in  each
+// table to avoid green borders
+       if(need_reconfigure)
+       {
+SET_TRACE
+               float w = frame->get_w();
+               float h = frame->get_h();
+               float center_x = (float)config.x / 100 * w;
+               float center_y = (float)config.y / 100 * h;
+               float radius = (float)(100 + config.radius) / 100;
+               float min_w, min_h;
+               //float max_w, max_h;
+               int steps = config.steps ? config.steps : 1;
+               float min_x1;
+               float min_y1;
+               float min_x2;
+               float min_y2;
+               float max_x1;
+               float max_y1;
+               float max_x2;
+               float max_y2;
+               
+SET_TRACE
+
+// printf("ZoomBlurMain::process_realtime 1 %d %d\n", 
+// config.x,
+// config.y);
+
+               center_x = (center_x - w / 2) * (1.0 - radius) + w / 2;
+               center_y = (center_y - h / 2) * (1.0 - radius) + h / 2;
+               min_w = w * radius;
+               min_h = h * radius;
+               //max_w = w;
+               //max_h = h;
+               min_x1 = center_x - min_w / 2;
+               min_y1 = center_y - min_h / 2;
+               min_x2 = center_x + min_w / 2;
+               min_y2 = center_y + min_h / 2;
+               max_x1 = 0;
+               max_y1 = 0;
+               max_x2 = w;
+               max_y2 = h;
+
+SET_TRACE
+// printf("ZoomBlurMain::process_realtime 2 w=%f radius=%f center_x=%f\n", 
+// w,
+// radius,
+// center_x);
+
+
+// Dimensions of outermost rectangle
+
+               delete_tables();
+               table_entries = steps;
+               scale_x_table = new int*[steps];
+               scale_y_table = new int*[steps];
+               layer_table = new ZoomBlurLayer[table_entries];
+
+SET_TRACE
+               for(int i = 0; i < steps; i++)
+               {
+                       float fraction = (float)i / steps;
+                       float inv_fraction = 1.0 - fraction;
+                       float out_x1 = min_x1 * fraction + max_x1 * inv_fraction;
+                       float out_x2 = min_x2 * fraction + max_x2 * inv_fraction;
+                       float out_y1 = min_y1 * fraction + max_y1 * inv_fraction;
+                       float out_y2 = min_y2 * fraction + max_y2 * inv_fraction;
+                       float out_w = out_x2 - out_x1;
+                       float out_h = out_y2 - out_y1;
+                       if(out_w < 0) out_w = 0;
+                       if(out_h < 0) out_h = 0;
+                       float scale_x = (float)w / out_w;
+                       float scale_y = (float)h / out_h;
+
+                       int *x_table;
+                       int *y_table;
+                       scale_y_table[i] = y_table = new int[(int)(h + 1)];
+                       scale_x_table[i] = x_table = new int[(int)(w + 1)];
+SET_TRACE
+                       layer_table[i].x1 = out_x1;
+                       layer_table[i].y1 = out_y1;
+                       layer_table[i].x2 = out_x2;
+                       layer_table[i].y2 = out_y2;
+SET_TRACE
+
+                       for(int j = 0; j < h; j++)
+                       {
+                               y_table[j] = (int)((j - out_y1) * scale_y);
+                       }
+                       for(int j = 0; j < w; j++)
+                       {
+                               x_table[j] = (int)((j - out_x1) * scale_x);
+//printf("ZoomBlurMain::process_realtime %d %d\n", j, x_table[j]);
+                       }
+               }
+SET_TRACE
+               need_reconfigure = 0;
+       }
+
+SET_TRACE
+       if(get_use_opengl()) return run_opengl();
+
+SET_TRACE
+
+
+
+       if(!engine) engine = new ZoomBlurEngine(this,
+               get_project_smp() + 1,
+               get_project_smp() + 1);
+       if(!accum) accum = new unsigned char[frame->get_w() * 
+               frame->get_h() *
+               BC_CModels::components(frame->get_color_model()) *
+               MAX(sizeof(int), sizeof(float))];
+
+       this->input = frame;
+       this->output = frame;
+
+
+       if(!temp) temp = new VFrame(0,
+               -1,
+               frame->get_w(),
+               frame->get_h(),
+               frame->get_color_model(),
+               -1);
+       temp->copy_from(frame);
+       this->input = temp;
+
+       bzero(accum, 
+               frame->get_w() * 
+               frame->get_h() *
+               BC_CModels::components(frame->get_color_model()) *
+               MAX(sizeof(int), sizeof(float)));
+       engine->process_packages();
+       return 0;
+}
+
+
+void ZoomBlurMain::update_gui()
+{
+       if(thread)
+       {
+               load_configuration();
+               thread->window->lock_window();
+               ((ZoomBlurWindow*)thread->window)->x->update(config.x);
+               ((ZoomBlurWindow*)thread->window)->y->update(config.y);
+               ((ZoomBlurWindow*)thread->window)->radius->update(config.radius);
+               ((ZoomBlurWindow*)thread->window)->steps->update(config.steps);
+               ((ZoomBlurWindow*)thread->window)->r->update(config.r);
+               ((ZoomBlurWindow*)thread->window)->g->update(config.g);
+               ((ZoomBlurWindow*)thread->window)->b->update(config.b);
+               ((ZoomBlurWindow*)thread->window)->a->update(config.a);
+               thread->window->unlock_window();
+       }
+}
+
+
+
+
+
+void ZoomBlurMain::save_data(KeyFrame *keyframe)
+{
+       FileXML output;
+
+// cause data to be stored directly in text
+       output.set_shared_output(keyframe->get_data(), MESSAGESIZE);
+       output.tag.set_title("ZOOMBLUR");
+
+       output.tag.set_property("X", config.x);
+       output.tag.set_property("Y", config.y);
+       output.tag.set_property("RADIUS", config.radius);
+       output.tag.set_property("STEPS", config.steps);
+       output.tag.set_property("R", config.r);
+       output.tag.set_property("G", config.g);
+       output.tag.set_property("B", config.b);
+       output.tag.set_property("A", config.a);
+       output.append_tag();
+       output.tag.set_title("/ZOOMBLUR");
+       output.append_tag();
+       output.append_newline();
+       output.terminate_string();
+}
+
+void ZoomBlurMain::read_data(KeyFrame *keyframe)
+{
+       FileXML input;
+
+       input.set_shared_input(keyframe->get_data(), strlen(keyframe->get_data()));
+
+       int result = 0;
+
+       while(!result)
+       {
+               result = input.read_tag();
+
+               if(!result)
+               {
+                       if(input.tag.title_is("ZOOMBLUR"))
+                       {
+                               config.x = input.tag.get_property("X", config.x);
+                               config.y = input.tag.get_property("Y", config.y);
+                               config.radius = input.tag.get_property("RADIUS", config.radius);
+                               config.steps = input.tag.get_property("STEPS", config.steps);
+                               config.r = input.tag.get_property("R", config.r);
+                               config.g = input.tag.get_property("G", config.g);
+                               config.b = input.tag.get_property("B", config.b);
+                               config.a = input.tag.get_property("A", config.a);
+                       }
+               }
+       }
+}
+
+#ifdef HAVE_GL
+static void draw_box(float x1, float y1, float x2, float y2)
+{
+       glBegin(GL_QUADS);
+       glVertex3f(x1, y1, 0.0);
+       glVertex3f(x2, y1, 0.0);
+       glVertex3f(x2, y2, 0.0);
+       glVertex3f(x1, y2, 0.0);
+       glEnd();
+}
+#endif
+
+int ZoomBlurMain::handle_opengl()
+{
+#ifdef HAVE_GL
+       get_output()->to_texture();
+       get_output()->enable_opengl();
+       get_output()->init_screen();
+       get_output()->bind_texture(0);
+
+       //int is_yuv = BC_CModels::is_yuv(get_output()->get_color_model());
+       glClearColor(0.0, 0.0, 0.0, 0.0);
+       glClear(GL_COLOR_BUFFER_BIT);
+
+// Draw unselected channels
+       glEnable(GL_BLEND);
+       glBlendFunc(GL_ONE, GL_ONE);
+       glDrawBuffer(GL_BACK);
+
+       if(!config.r || !config.g || !config.b || !config.a)
+       {
+               glColor4f(config.r ? 0 : 1, 
+                       config.g ? 0 : 1, 
+                       config.b ? 0 : 1, 
+                       config.a ? 0 : 1);
+               get_output()->draw_texture();
+       }
+       glAccum(GL_LOAD, 1.0);
+
+// Blur selected channels
+       float fraction = 1.0 / config.steps;
+       for(int i = 0; i < config.steps; i++)
+       {
+               glClear(GL_COLOR_BUFFER_BIT);
+               glColor4f(config.r ? 1 : 0, 
+                       config.g ? 1 : 0, 
+                       config.b ? 1 : 0, 
+                       config.a ? 1 : 0);
+
+               get_output()->draw_texture(0,
+                       0,
+                       get_output()->get_w(),
+                       get_output()->get_h(),
+                       layer_table[i].x1,
+                       get_output()->get_h() - layer_table[i].y1,
+                       layer_table[i].x2,
+                       get_output()->get_h() - layer_table[i].y2,
+                       1);
+
+// Fill YUV black
+               glDisable(GL_TEXTURE_2D);
+               if(BC_CModels::is_yuv(get_output()->get_color_model()))
+               {
+                       glColor4f(config.r ? 0.0 : 0, 
+                               config.g ? 0.5 : 0, 
+                               config.b ? 0.5 : 0, 
+                               config.a ? 1.0 : 0);
+                       float center_x1 = 0.0;
+                       float center_x2 = get_output()->get_w();
+                       if(layer_table[i].x1 > 0)
+                       {
+                               center_x1 = layer_table[i].x1;
+                               draw_box(0, 0, layer_table[i].x1, -get_output()->get_h());
+                       }
+                       if(layer_table[i].x2 < get_output()->get_w())
+                       {
+                               center_x2 = layer_table[i].x2;
+                               draw_box(layer_table[i].x2, 0, get_output()->get_w(), -get_output()->get_h());
+                       }
+                       if(layer_table[i].y1 > 0)
+                       {
+                               draw_box(center_x1, 
+                                       -get_output()->get_h(), 
+                                       center_x2, 
+                                       -get_output()->get_h() + layer_table[i].y1);
+                       }
+                       if(layer_table[i].y2 < get_output()->get_h())
+                       {
+                               draw_box(center_x1, 
+                                       -get_output()->get_h() + layer_table[i].y2, 
+                                       center_x2, 
+                                       0);
+                       }
+               }
+
+
+               glAccum(GL_ACCUM, fraction);
+               glEnable(GL_TEXTURE_2D);
+               glColor4f(config.r ? 1 : 0, 
+                       config.g ? 1 : 0, 
+                       config.b ? 1 : 0, 
+                       config.a ? 1 : 0);
+       }
+
+       glDisable(GL_BLEND);
+       glReadBuffer(GL_BACK);
+       glDisable(GL_TEXTURE_2D);
+       glAccum(GL_RETURN, 1.0);
+
+       glColor4f(1, 1, 1, 1);
+       get_output()->set_opengl_state(VFrame::SCREEN);
+#endif
+       return 0;
+}
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ZoomBlurPackage::ZoomBlurPackage()
+ : LoadPackage()
+{
+}
+
+
+
+
+ZoomBlurUnit::ZoomBlurUnit(ZoomBlurEngine *server, 
+       ZoomBlurMain *plugin)
+ : LoadClient(server)
+{
+       this->plugin = plugin;
+       this->server = server;
+}
+
+
+#define BLEND_LAYER(COMPONENTS, TYPE, TEMP_TYPE, MAX, DO_YUV) \
+{ \
+       const int chroma_offset = (DO_YUV ? ((MAX + 1) / 2) : 0); \
+       for(int j = pkg->y1; j < pkg->y2; j++) \
+       { \
+               TEMP_TYPE *out_row = (TEMP_TYPE*)plugin->accum + COMPONENTS * w * j; \
+               int in_y = y_table[j]; \
+ \
+/* Blend image */ \
+               if(in_y >= 0 && in_y < h) \
+               { \
+                       TYPE *in_row = (TYPE*)plugin->input->get_rows()[in_y]; \
+                       for(int k = 0; k < w; k++) \
+                       { \
+                               int in_x = x_table[k]; \
+/* Blend pixel */ \
+                               if(in_x >= 0 && in_x < w) \
+                               { \
+                                       int in_offset = in_x * COMPONENTS; \
+                                       *out_row++ += in_row[in_offset]; \
+                                       if(DO_YUV) \
+                                       { \
+                                               *out_row++ += in_row[in_offset + 1]; \
+                                               *out_row++ += in_row[in_offset + 2]; \
+                                       } \
+                                       else \
+                                       { \
+                                               *out_row++ += (TEMP_TYPE)in_row[in_offset + 1]; \
+                                               *out_row++ += (TEMP_TYPE)in_row[in_offset + 2]; \
+                                       } \
+                                       if(COMPONENTS == 4) \
+                                               *out_row++ += in_row[in_offset + 3]; \
+                               } \
+/* Blend nothing */ \
+                               else \
+                               { \
+                                       out_row++; \
+                                       if(DO_YUV) \
+                                       { \
+                                               *out_row++ += chroma_offset; \
+                                               *out_row++ += chroma_offset; \
+                                       } \
+                                       else \
+                                       { \
+                                               out_row += 2; \
+                                       } \
+                                       if(COMPONENTS == 4) out_row++; \
+                               } \
+                       } \
+               } \
+               else \
+               if(DO_YUV) \
+               { \
+                       for(int k = 0; k < w; k++) \
+                       { \
+                               out_row++; \
+                               *out_row++ += chroma_offset; \
+                               *out_row++ += chroma_offset; \
+                               if(COMPONENTS == 4) out_row++; \
+                       } \
+               } \
+       } \
+ \
+/* Copy just selected blurred channels to output and combine with original \
+       unblurred channels */ \
+       if(i == plugin->config.steps - 1) \
+       { \
+               for(int j = pkg->y1; j < pkg->y2; j++) \
+               { \
+                       TEMP_TYPE *in_row = (TEMP_TYPE*)plugin->accum + COMPONENTS * w * j; \
+                       TYPE *in_backup = (TYPE*)plugin->input->get_rows()[j]; \
+                       TYPE *out_row = (TYPE*)plugin->output->get_rows()[j]; \
+                       for(int k = 0; k < w; k++) \
+                       { \
+                               if(do_r) \
+                               { \
+                                       *out_row++ = (*in_row++ * fraction) / 0x10000; \
+                                       in_backup++; \
+                               } \
+                               else \
+                               { \
+                                       *out_row++ = *in_backup++; \
+                                       in_row++; \
+                               } \
+ \
+                               if(DO_YUV) \
+                               { \
+                                       if(do_g) \
+                                       { \
+                                               *out_row++ = ((*in_row++ * fraction) / 0x10000); \
+                                               in_backup++; \
+                                       } \
+                                       else \
+                                       { \
+                                               *out_row++ = *in_backup++; \
+                                               in_row++; \
+                                       } \
+ \
+                                       if(do_b) \
+                                       { \
+                                               *out_row++ = ((*in_row++ * fraction) / 0x10000); \
+                                               in_backup++; \
+                                       } \
+                                       else \
+                                       { \
+                                               *out_row++ = *in_backup++; \
+                                               in_row++; \
+                                       } \
+                               } \
+                               else \
+                               { \
+                                       if(do_g) \
+                                       { \
+                                               *out_row++ = (*in_row++ * fraction) / 0x10000; \
+                                               in_backup++; \
+                                       } \
+                                       else \
+                                       { \
+                                               *out_row++ = *in_backup++; \
+                                               in_row++; \
+                                       } \
+ \
+                                       if(do_b) \
+                                       { \
+                                               *out_row++ = (*in_row++ * fraction) / 0x10000; \
+                                               in_backup++; \
+                                       } \
+                                       else \
+                                       { \
+                                               *out_row++ = *in_backup++; \
+                                               in_row++; \
+                                       } \
+                               } \
+ \
+                               if(COMPONENTS == 4) \
+                               { \
+                                       if(do_a) \
+                                       { \
+                                               *out_row++ = (*in_row++ * fraction) / 0x10000; \
+                                               in_backup++; \
+                                       } \
+                                       else \
+                                       { \
+                                               *out_row++ = *in_backup++; \
+                                               in_row++; \
+                                       } \
+                               } \
+                       } \
+               } \
+       } \
+}
+
+void ZoomBlurUnit::process_package(LoadPackage *package)
+{
+       ZoomBlurPackage *pkg = (ZoomBlurPackage*)package;
+       int h = plugin->output->get_h();
+       int w = plugin->output->get_w();
+       int do_r = plugin->config.r;
+       int do_g = plugin->config.g;
+       int do_b = plugin->config.b;
+       int do_a = plugin->config.a;
+
+       int fraction = 0x10000 / plugin->config.steps;
+       for(int i = 0; i < plugin->config.steps; i++)
+       {
+               int *x_table = plugin->scale_x_table[i];
+               int *y_table = plugin->scale_y_table[i];
+
+               switch(plugin->input->get_color_model())
+               {
+                       case BC_RGB888:
+                               BLEND_LAYER(3, uint8_t, int, 0xff, 0)
+                               break;
+                       case BC_RGB_FLOAT:
+                               BLEND_LAYER(3, float, float, 1, 0)
+                               break;
+                       case BC_RGBA_FLOAT:
+                               BLEND_LAYER(4, float, float, 1, 0)
+                               break;
+                       case BC_RGBA8888:
+                               BLEND_LAYER(4, uint8_t, int, 0xff, 0)
+                               break;
+                       case BC_RGB161616:
+                               BLEND_LAYER(3, uint16_t, int, 0xffff, 0)
+                               break;
+                       case BC_RGBA16161616:
+                               BLEND_LAYER(4, uint16_t, int, 0xffff, 0)
+                               break;
+                       case BC_YUV888:
+                               BLEND_LAYER(3, uint8_t, int, 0xff, 1)
+                               break;
+                       case BC_YUVA8888:
+                               BLEND_LAYER(4, uint8_t, int, 0xff, 1)
+                               break;
+                       case BC_YUV161616:
+                               BLEND_LAYER(3, uint16_t, int, 0xffff, 1)
+                               break;
+                       case BC_YUVA16161616:
+                               BLEND_LAYER(4, uint16_t, int, 0xffff, 1)
+                               break;
+               }
+       }
+}
+
+
+
+
+
+
+ZoomBlurEngine::ZoomBlurEngine(ZoomBlurMain *plugin, 
+       int total_clients, 
+       int total_packages)
+ : LoadServer(total_clients, total_packages)
+{
+       this->plugin = plugin;
+}
+
+void ZoomBlurEngine::init_packages()
+{
+       for(int i = 0; i < get_total_packages(); i++)
+       {
+               ZoomBlurPackage *package = (ZoomBlurPackage*)get_package(i);
+               package->y1 = plugin->output->get_h() * i / get_total_packages();
+               package->y2 = plugin->output->get_h() * (i + 1) / get_total_packages();
+       }
+}
+
+LoadClient* ZoomBlurEngine::new_client()
+{
+       return new ZoomBlurUnit(this, plugin);
+}
+
+LoadPackage* ZoomBlurEngine::new_package()
+{
+       return new ZoomBlurPackage;
+}
+
+
+
+
+