Merge CV, ver=5.1; ops/methods from HV, and interface from CV where possible
[goodguy/history.git] / cinelerra-5.1 / plugins / whirl / whirl.C
diff --git a/cinelerra-5.1/plugins/whirl/whirl.C b/cinelerra-5.1/plugins/whirl/whirl.C
new file mode 100644 (file)
index 0000000..d1a2043
--- /dev/null
@@ -0,0 +1,835 @@
+
+/*
+ * 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 "bcdisplayinfo.h"
+#include "clip.h"
+#include "bchash.h"
+#include "filexml.h"
+#include "guicast.h"
+#include "keyframe.h"
+#include "language.h"
+#include "loadbalance.h"
+#include "pluginvclient.h"
+#include "vframe.h"
+
+
+
+#include <stdint.h>
+#include <string.h>
+
+class WhirlEffect;
+class WhirlWindow;
+class WhirlEngine;
+
+#define MAXRADIUS 100
+#define MAXPINCH 100
+
+
+
+
+
+
+class WhirlConfig
+{
+public:
+       WhirlConfig();
+       
+       void copy_from(WhirlConfig &src);
+       int equivalent(WhirlConfig &src);
+       void interpolate(WhirlConfig &prev, 
+               WhirlConfig &next, 
+               long prev_frame, 
+               long next_frame, 
+               long current_frame);
+       
+       float angle;
+       float pinch;
+       float radius;
+};
+
+
+class WhirlAngle : public BC_FSlider
+{
+public:
+       WhirlAngle(WhirlEffect *plugin, int x, int y);
+       int handle_event();
+       WhirlEffect *plugin;
+};
+
+
+
+class WhirlPinch : public BC_FSlider
+{
+public:
+       WhirlPinch(WhirlEffect *plugin, int x, int y);
+       int handle_event();
+       WhirlEffect *plugin;
+};
+
+
+
+class WhirlRadius : public BC_FSlider
+{
+public:
+       WhirlRadius(WhirlEffect *plugin, int x, int y);
+       int handle_event();
+       WhirlEffect *plugin;
+};
+
+class WhirlWindow : public PluginClientWindow
+{
+public:
+       WhirlWindow(WhirlEffect *plugin);
+       void create_objects();
+       WhirlEffect *plugin;
+       WhirlRadius *radius;
+       WhirlPinch *pinch;
+       WhirlAngle *angle;
+};
+
+
+
+
+
+class WhirlPackage : public LoadPackage
+{
+public:
+       WhirlPackage();
+       int row1, row2;
+};
+
+class WhirlUnit : public LoadClient
+{
+public:
+       WhirlUnit(WhirlEffect *plugin, WhirlEngine *server);
+       void process_package(LoadPackage *package);
+       WhirlEngine *server;
+       WhirlEffect *plugin;
+       
+};
+
+
+class WhirlEngine : public LoadServer
+{
+public:
+       WhirlEngine(WhirlEffect *plugin, int cpus);
+       void init_packages();
+       LoadClient* new_client();
+       LoadPackage* new_package();
+       WhirlEffect *plugin;
+};
+
+
+
+class WhirlEffect : public PluginVClient
+{
+public:
+       WhirlEffect(PluginServer *server);
+       ~WhirlEffect();
+
+       PLUGIN_CLASS_MEMBERS(WhirlConfig)
+       int process_realtime(VFrame *input, VFrame *output);
+       int is_realtime();
+       void update_gui();
+       void save_data(KeyFrame *keyframe);
+       void read_data(KeyFrame *keyframe);
+
+       WhirlEngine *engine;
+       VFrame *temp_frame;
+       VFrame *input, *output;
+       int need_reconfigure;
+};
+
+
+
+
+
+
+REGISTER_PLUGIN(WhirlEffect)
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+WhirlConfig::WhirlConfig()
+{
+       angle = 0.0;
+       pinch = 0.0;
+       radius = 0.0;
+}
+
+void WhirlConfig::copy_from(WhirlConfig &src)
+{
+       this->angle = src.angle;
+       this->pinch = src.pinch;
+       this->radius = src.radius;
+}
+
+int WhirlConfig::equivalent(WhirlConfig &src)
+{
+       return EQUIV(this->angle, src.angle) &&
+               EQUIV(this->pinch, src.pinch) &&
+               EQUIV(this->radius, src.radius);
+}
+
+void WhirlConfig::interpolate(WhirlConfig &prev, 
+       WhirlConfig &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->angle = prev.angle * prev_scale + next.angle * next_scale;
+       this->pinch = prev.pinch * prev_scale + next.pinch * next_scale;
+       this->radius = prev.radius * prev_scale + next.radius * next_scale;
+}
+
+
+
+
+
+
+
+
+
+
+WhirlWindow::WhirlWindow(WhirlEffect *plugin)
+ : PluginClientWindow(plugin, 
+       220, 
+       200, 
+       220, 
+       200, 
+       0)
+{
+       this->plugin = plugin;
+}
+
+
+
+void WhirlWindow::create_objects()
+{
+       int x = 10, y = 10;
+       add_subwindow(new BC_Title(x, y, _("Radius")));
+       y += 20;
+       add_subwindow(radius = new WhirlRadius(plugin, x, y));
+       y += 40;
+       add_subwindow(new BC_Title(x, y, _("Pinch")));
+       y += 20;
+       add_subwindow(pinch = new WhirlPinch(plugin, x, y));
+       y += 40;
+       add_subwindow(new BC_Title(x, y, _("Angle")));
+       y += 20;
+       add_subwindow(angle = new WhirlAngle(plugin, x, y));
+
+       show_window();
+       flush();
+}
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+WhirlAngle::WhirlAngle(WhirlEffect *plugin, int x, int y)
+ : BC_FSlider(x, 
+               y, 
+               0,
+               200,
+               200, 
+               (float)0, 
+               (float)360,
+               plugin->config.angle)
+{
+       this->plugin = plugin;
+}
+int WhirlAngle::handle_event()
+{
+       plugin->config.angle = get_value();
+       plugin->send_configure_change();
+       return 1;
+}
+
+
+
+
+WhirlPinch::WhirlPinch(WhirlEffect *plugin, int x, int y)
+ : BC_FSlider(x, 
+               y, 
+               0,
+               200,
+               200, 
+               (float)0, 
+               (float)MAXPINCH, 
+               plugin->config.pinch)
+{
+       this->plugin = plugin;
+}
+int WhirlPinch::handle_event()
+{
+       plugin->config.pinch = get_value();
+       plugin->send_configure_change();
+       return 1;
+}
+
+
+
+
+WhirlRadius::WhirlRadius(WhirlEffect *plugin, int x, int y)
+ : BC_FSlider(x, 
+               y, 
+               0,
+               200,
+               200, 
+               (float)0, 
+               (float)MAXRADIUS, 
+               plugin->config.radius)
+{
+       this->plugin = plugin;
+}
+int WhirlRadius::handle_event()
+{
+       plugin->config.radius = get_value();
+       plugin->send_configure_change();
+       return 1;
+}
+
+
+
+
+
+
+
+
+
+
+
+WhirlEffect::WhirlEffect(PluginServer *server)
+ : PluginVClient(server)
+{
+       need_reconfigure = 1;
+       engine = 0;
+       temp_frame = 0;
+       
+}
+
+WhirlEffect::~WhirlEffect()
+{
+       
+       if(engine) delete engine;
+       if(temp_frame) delete temp_frame;
+}
+
+
+
+
+
+
+const char* WhirlEffect::plugin_title() { return _("Whirl"); }
+int WhirlEffect::is_realtime() { return 1; }
+
+
+
+NEW_WINDOW_MACRO(WhirlEffect, WhirlWindow)
+
+
+void WhirlEffect::update_gui()
+{
+       if(thread)
+       {
+               load_configuration();
+               thread->window->lock_window();
+               ((WhirlWindow*)thread->window)->angle->update(config.angle);
+               ((WhirlWindow*)thread->window)->pinch->update(config.pinch);
+               ((WhirlWindow*)thread->window)->radius->update(config.radius);
+               thread->window->unlock_window();
+       }
+}
+
+LOAD_CONFIGURATION_MACRO(WhirlEffect, WhirlConfig)
+
+
+
+
+void WhirlEffect::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("WHIRL");
+       output.tag.set_property("ANGLE", config.angle);
+       output.tag.set_property("PINCH", config.pinch);
+       output.tag.set_property("RADIUS", config.radius);
+       output.append_tag();
+       output.tag.set_title("/WHIRL");
+       output.append_tag();
+       output.append_newline();
+       output.terminate_string();
+// data is now in *text
+}
+
+void WhirlEffect::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("WHIRL"))
+                       {
+                               config.angle = input.tag.get_property("ANGLE", config.angle);
+                               config.pinch = input.tag.get_property("PINCH", config.pinch);
+                               config.radius = input.tag.get_property("RADIUS", config.radius);
+                       }
+               }
+       }
+}
+
+int WhirlEffect::process_realtime(VFrame *input, VFrame *output)
+{
+       need_reconfigure |= load_configuration();
+       this->input = input;
+       this->output = output;
+
+       if(EQUIV(config.angle, 0) || 
+               (EQUIV(config.radius, 0) && EQUIV(config.pinch, 0)))
+       {
+               if(input->get_rows()[0] != output->get_rows()[0])
+                       output->copy_from(input);
+       }
+       else
+       {
+               if(input->get_rows()[0] == output->get_rows()[0])
+               {
+                       if(!temp_frame) temp_frame = new VFrame(0,
+                               -1,
+                               input->get_w(),
+                               input->get_h(),
+                               input->get_color_model(),
+                               -1);
+                       temp_frame->copy_from(input);
+                       this->input = temp_frame;
+               }
+
+               if(!engine) engine = new WhirlEngine(this, PluginClient::smp + 1);
+
+               engine->process_packages();
+       }
+       return 0;
+}
+
+
+
+
+
+
+
+
+WhirlPackage::WhirlPackage()
+ : LoadPackage()
+{
+}
+
+
+
+WhirlUnit::WhirlUnit(WhirlEffect *plugin, WhirlEngine *server)
+ : LoadClient(server)
+{
+       this->plugin = plugin;
+}
+
+
+
+static int calc_undistorted_coords(double cen_x,
+                       double cen_y,
+                       double scale_x,
+                       double scale_y,
+                       double radius,
+                       double radius2,
+                       double radius3,
+                       double pinch,
+                       double wx,
+                       double wy,
+                       double &whirl,
+                       double &x,
+                       double &y)
+{
+       double dx, dy;
+       double d, factor;
+       double dist;
+       double ang, sina, cosa;
+       int inside;
+
+/* Distances to center, scaled */
+
+       dx = (wx - cen_x) * scale_x;
+       dy = (wy - cen_y) * scale_y;
+
+/* Distance^2 to center of *circle* (scaled ellipse) */
+
+       d = dx * dx + dy * dy;
+
+/*  If we are inside circle, then distort.
+ *  Else, just return the same position
+ */
+
+       inside = (d < radius2);
+
+       if(inside)
+    {
+       dist = sqrt(d / radius3) / radius;
+
+/* Pinch */
+
+       factor = pow(sin(M_PI / 2 * dist), -pinch);
+
+       dx *= factor;
+       dy *= factor;
+
+/* Whirl */
+
+       factor = 1.0 - dist;
+
+       ang = whirl * factor * factor;
+
+       sina = sin(ang);
+       cosa = cos(ang);
+
+       x = (cosa * dx - sina * dy) / scale_x + cen_x;
+       y = (sina * dx + cosa * dy) / scale_y + cen_y;
+    }
+
+       return inside;
+}
+
+
+
+#define GET_PIXEL(components, x, y, input_rows) \
+       input_rows[CLIP(y, 0, (h - 1))] + components * CLIP(x, 0, (w - 1))
+
+
+
+
+
+
+static float bilinear(double x, double y, double *values)
+{
+       double m0, m1;
+       x = fmod(x, 1.0);
+       y = fmod(y, 1.0);
+
+       if(x < 0.0) x += 1.0;
+       if(y < 0.0) y += 1.0;
+
+       m0 = (double)values[0] + x * ((double)values[1] - values[0]);
+       m1 = (double)values[2] + x * ((double)values[3] - values[2]);
+       return m0 + y * (m1 - m0);
+}
+
+
+
+
+
+#define WHIRL_MACRO(type, max, components) \
+{ \
+       type **input_rows = (type**)plugin->input->get_rows(); \
+/* Compiler error requires separate arrays */ \
+       double top_values[4], bot_values[4]; \
+       for( int i=0; i<4; ++i ) top_values[i] = bot_values[i] = 0; \
+       for(int row = pkg->row1 / 2; row <= (pkg->row2 + pkg->row1) / 2; row++) \
+       { \
+               type *top_row = (type*)plugin->output->get_rows()[row]; \
+               type *bot_row = (type*)plugin->output->get_rows()[h - row - 1]; \
+               type *top_p = top_row; \
+               type *bot_p = bot_row + components * w - components; \
+               type *pixel1; \
+               type *pixel2; \
+               type *pixel3; \
+               type *pixel4; \
+ \
+               for(int col = 0; col < w; col++) \
+               { \
+                       if(calc_undistorted_coords(cen_x, \
+                               cen_y, \
+                               scale_x, \
+                               scale_y, \
+                               radius, \
+                               radius2, \
+                               radius3, \
+                               pinch, \
+                               col, \
+                               row, \
+                               whirl, \
+                               cx, \
+                               cy)) \
+                       { \
+/* Inside distortion area */ \
+/* Do top */ \
+                               if(cx >= 0.0) \
+                                       ix = (int)cx; \
+                               else \
+                                       ix = -((int)-cx + 1); \
+ \
+                               if(cy >= 0.0) \
+                                       iy = (int)cy; \
+                               else \
+                                       iy = -((int)-cy + 1); \
+ \
+                               pixel1 = GET_PIXEL(components, ix,     iy,     input_rows); \
+                               pixel2 = GET_PIXEL(components, ix + 1, iy,     input_rows); \
+                               pixel3 = GET_PIXEL(components, ix,     iy + 1, input_rows); \
+                               pixel4 = GET_PIXEL(components, ix + 1, iy + 1, input_rows); \
+ \
+                               top_values[0] = pixel1[0]; \
+                               top_values[1] = pixel2[0]; \
+                               top_values[2] = pixel3[0]; \
+                               top_values[3] = pixel4[0]; \
+                               top_p[0] = (type)bilinear(cx, cy, top_values); \
+ \
+                               top_values[0] = pixel1[1]; \
+                               top_values[1] = pixel2[1]; \
+                               top_values[2] = pixel3[1]; \
+                               top_values[3] = pixel4[1]; \
+                               top_p[1] = (type)bilinear(cx, cy, top_values); \
+ \
+                               top_values[0] = pixel1[2]; \
+                               top_values[1] = pixel2[2]; \
+                               top_values[2] = pixel3[2]; \
+                               top_values[3] = pixel4[2]; \
+                               top_p[2] = (type)bilinear(cx, cy, top_values); \
+ \
+                               if(components == 4) \
+                               { \
+                                       top_values[0] = pixel1[3]; \
+                                       top_values[1] = pixel2[3]; \
+                                       top_values[2] = pixel3[3]; \
+                                       top_values[3] = pixel4[3]; \
+                                       top_p[3] = (type)bilinear(cx, cy, top_values); \
+                               } \
+ \
+                               top_p += components; \
+ \
+/* Do bottom */ \
+                       cx = cen_x + (cen_x - cx); \
+                       cy = cen_y + (cen_y - cy); \
+ \
+                       if(cx >= 0.0) \
+                                       ix = (int)cx; \
+                       else \
+                                       ix = -((int)-cx + 1); \
+ \
+                       if(cy >= 0.0) \
+                                       iy = (int)cy; \
+                       else \
+                                       iy = -((int)-cy + 1); \
+ \
+                               pixel1 = GET_PIXEL(components, ix,     iy,     input_rows); \
+                               pixel2 = GET_PIXEL(components, ix + 1, iy,     input_rows); \
+                               pixel3 = GET_PIXEL(components, ix,     iy + 1, input_rows); \
+                               pixel4 = GET_PIXEL(components, ix + 1, iy + 1, input_rows); \
+ \
+ \
+ \
+                               bot_values[0] = pixel1[0]; \
+                               bot_values[1] = pixel2[0]; \
+                               bot_values[2] = pixel3[0]; \
+                               bot_values[3] = pixel4[0]; \
+                               bot_p[0] = (type)bilinear(cx, cy, bot_values); \
+ \
+                               bot_values[0] = pixel1[1]; \
+                               bot_values[1] = pixel2[1]; \
+                               bot_values[2] = pixel3[1]; \
+                               bot_values[3] = pixel4[1]; \
+                               bot_p[1] = (type)bilinear(cx, cy, bot_values); \
+ \
+                               bot_values[0] = pixel1[2]; \
+                               bot_values[1] = pixel2[2]; \
+                               bot_values[2] = pixel3[2]; \
+                               bot_values[3] = pixel4[2]; \
+                               bot_p[2] = (type)bilinear(cx, cy, bot_values); \
+ \
+                               if(components == 4) \
+                               { \
+                                       bot_values[0] = pixel1[3]; \
+                                       bot_values[1] = pixel2[3]; \
+                                       bot_values[2] = pixel3[3]; \
+                                       bot_values[3] = pixel4[3]; \
+                                       bot_p[3] = (type)bilinear(cx, cy, bot_values); \
+                               } \
+ \
+                               bot_p -= components; \
+ \
+ \
+                       } \
+                       else \
+                       { \
+/* Outside distortion area */ \
+/* Do top */ \
+                               top_p[0] = input_rows[row][components * col + 0]; \
+                               top_p[1] = input_rows[row][components * col + 1]; \
+                               top_p[2] = input_rows[row][components * col + 2]; \
+                               if(components == 4) top_p[3] = input_rows[row][components * col + 3]; \
+ \
+ \
+                               top_p += components; \
+ \
+/* Do bottom */ \
+                               int bot_offset = w * components - col * components - components; \
+                               int bot_row = h - 1 - row; \
+                               bot_p[0] = input_rows[bot_row][bot_offset + 0]; \
+                               bot_p[1] = input_rows[bot_row][bot_offset + 1]; \
+                               bot_p[2] = input_rows[bot_row][bot_offset + 2]; \
+                               if(components == 4) bot_p[3] = input_rows[bot_row][bot_offset + 3]; \
+                               bot_p -= components; \
+                       } \
+               } \
+       } \
+}
+
+void WhirlUnit::process_package(LoadPackage *package)
+{
+       WhirlPackage *pkg = (WhirlPackage*)package;
+       int w = plugin->input->get_w();
+       int h = plugin->input->get_h();
+       double whirl = plugin->config.angle * M_PI / 180;
+       double pinch = plugin->config.pinch / MAXPINCH;
+       double cx, cy;
+    int ix, iy;
+       double cen_x = (double)(w - 1) / 2.0;
+       double cen_y = (double)(h - 1) / 2.0;
+       double radius = MAX(w, h);
+       double radius3 = plugin->config.radius / MAXRADIUS;
+       double radius2 = radius * radius * radius3;
+       double scale_x;
+       double scale_y;
+
+
+//printf("WhirlUnit::process_package 1 %f %f %f\n", 
+//     plugin->config.angle, plugin->config.pinch, plugin->config.radius);
+       if(w < h)
+       {
+       scale_x = (double)h / w;
+       scale_y = 1.0;
+       }
+       else
+       if(w > h)
+       {
+       scale_x = 1.0;
+       scale_y = (double)w / h;
+       }
+       else
+       {
+       scale_x = 1.0;
+       scale_y = 1.0;
+       }
+
+
+
+       switch(plugin->input->get_color_model())
+       {
+               case BC_RGB_FLOAT:
+                       WHIRL_MACRO(float, 1, 3);
+                       break;
+               case BC_RGB888:
+               case BC_YUV888:
+                       WHIRL_MACRO(unsigned char, 0xff, 3);
+                       break;
+               case BC_RGBA_FLOAT:
+                       WHIRL_MACRO(float, 1, 4);
+                       break;
+               case BC_RGBA8888:
+               case BC_YUVA8888:
+                       WHIRL_MACRO(unsigned char, 0xff, 4);
+                       break;
+               case BC_RGB161616:
+               case BC_YUV161616:
+                       WHIRL_MACRO(uint16_t, 0xffff, 3);
+                       break;
+               case BC_RGBA16161616:
+               case BC_YUVA16161616:
+                       WHIRL_MACRO(uint16_t, 0xffff, 4);
+                       break;
+               
+       }
+}
+
+
+
+
+
+
+
+WhirlEngine::WhirlEngine(WhirlEffect *plugin, int cpus)
+// : LoadServer(1, 1)
+ : LoadServer(cpus, cpus)
+{
+       this->plugin = plugin;
+}
+void WhirlEngine::init_packages()
+{
+       for(int i = 0; i < LoadServer::get_total_packages(); i++)
+       {
+               WhirlPackage *pkg = (WhirlPackage*)get_package(i);
+               pkg->row1 = plugin->input->get_h() * i / LoadServer::get_total_packages();
+               pkg->row2 = plugin->input->get_h() * (i + 1) / LoadServer::get_total_packages();
+       }
+       
+}
+
+LoadClient* WhirlEngine::new_client()
+{
+       return new WhirlUnit(plugin, this);
+}
+
+LoadPackage* WhirlEngine::new_package()
+{
+       return new WhirlPackage;
+}
+