--- /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
+ *
+ */
+
+#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 <string.h>
+#include <stdint.h>
+
+
+#define WITHIN(a, b, c) ((((a) <= (b)) && ((b) <= (c))) ? 1 : 0)
+
+
+class PolarEffect;
+class PolarEngine;
+class PolarWindow;
+
+
+class PolarConfig
+{
+public:
+ PolarConfig();
+
+ void copy_from(PolarConfig &src);
+ int equivalent(PolarConfig &src);
+ void interpolate(PolarConfig &prev,
+ PolarConfig &next,
+ long prev_frame,
+ long next_frame,
+ long current_frame);
+
+ int polar_to_rectangular;
+ float depth;
+ float angle;
+ int backwards;
+ int invert;
+};
+
+
+
+class PolarDepth : public BC_FSlider
+{
+public:
+ PolarDepth(PolarEffect *plugin, int x, int y);
+ int handle_event();
+ PolarEffect *plugin;
+};
+
+class PolarAngle : public BC_FSlider
+{
+public:
+ PolarAngle(PolarEffect *plugin, int x, int y);
+ int handle_event();
+ PolarEffect *plugin;
+};
+
+class PolarWindow : public PluginClientWindow
+{
+public:
+ PolarWindow(PolarEffect *plugin);
+ void create_objects();
+ PolarEffect *plugin;
+ PolarDepth *depth;
+ PolarAngle *angle;
+};
+
+
+
+
+
+class PolarPackage : public LoadPackage
+{
+public:
+ PolarPackage();
+ int row1, row2;
+};
+
+class PolarUnit : public LoadClient
+{
+public:
+ PolarUnit(PolarEffect *plugin, PolarEngine *server);
+ void process_package(LoadPackage *package);
+ PolarEffect *plugin;
+};
+
+class PolarEngine : public LoadServer
+{
+public:
+ PolarEngine(PolarEffect *plugin, int cpus);
+ void init_packages();
+ LoadClient* new_client();
+ LoadPackage* new_package();
+ PolarEffect *plugin;
+};
+
+class PolarEffect : public PluginVClient
+{
+public:
+ PolarEffect(PluginServer *server);
+ ~PolarEffect();
+
+ PLUGIN_CLASS_MEMBERS(PolarConfig)
+ int process_realtime(VFrame *input, VFrame *output);
+ int is_realtime();
+ void save_data(KeyFrame *keyframe);
+ void read_data(KeyFrame *keyframe);
+ void update_gui();
+
+ PolarEngine *engine;
+ VFrame *temp_frame;
+ VFrame *input, *output;
+ int need_reconfigure;
+};
+
+
+
+REGISTER_PLUGIN(PolarEffect)
+
+
+
+PolarConfig::PolarConfig()
+{
+ angle = 0.0;
+ depth = 0.0;
+ backwards = 0;
+ invert = 0;
+ polar_to_rectangular = 1;
+}
+
+
+void PolarConfig::copy_from(PolarConfig &src)
+{
+ this->angle = src.angle;
+ this->depth = src.depth;
+ this->backwards = src.backwards;
+ this->invert = src.invert;
+ this->polar_to_rectangular = src.polar_to_rectangular;
+}
+
+int PolarConfig::equivalent(PolarConfig &src)
+{
+ return EQUIV(this->angle, src.angle) && EQUIV(this->depth, src.depth);
+}
+
+void PolarConfig::interpolate(PolarConfig &prev,
+ PolarConfig &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->depth = prev.depth * prev_scale + next.depth * next_scale;
+ this->angle = prev.angle * prev_scale + next.angle * next_scale;
+}
+
+
+
+
+
+
+PolarWindow::PolarWindow(PolarEffect *plugin)
+ : PluginClientWindow(plugin,
+ 270,
+ 100,
+ 270,
+ 100,
+ 0)
+{
+ this->plugin = plugin;
+}
+
+void PolarWindow::create_objects()
+{
+ int x = 10, y = 10;
+ add_subwindow(new BC_Title(x, y, _("Depth:")));
+ add_subwindow(depth = new PolarDepth(plugin, x + 50, y));
+ y += 40;
+ add_subwindow(new BC_Title(x, y, _("Angle:")));
+ add_subwindow(angle = new PolarAngle(plugin, x + 50, y));
+
+ show_window();
+ flush();
+}
+
+
+
+
+
+
+
+PolarDepth::PolarDepth(PolarEffect *plugin, int x, int y)
+ : BC_FSlider(x,
+ y,
+ 0,
+ 200,
+ 200,
+ (float)1,
+ (float)100,
+ plugin->config.depth)
+{
+ this->plugin = plugin;
+}
+int PolarDepth::handle_event()
+{
+ plugin->config.depth = get_value();
+ plugin->send_configure_change();
+ return 1;
+}
+
+
+
+
+
+PolarAngle::PolarAngle(PolarEffect *plugin, int x, int y)
+ : BC_FSlider(x,
+ y,
+ 0,
+ 200,
+ 200,
+ (float)1,
+ (float)360,
+ plugin->config.angle)
+{
+ this->plugin = plugin;
+}
+int PolarAngle::handle_event()
+{
+ plugin->config.angle = get_value();
+ plugin->send_configure_change();
+ return 1;
+}
+
+
+
+
+
+PolarEffect::PolarEffect(PluginServer *server)
+ : PluginVClient(server)
+{
+ need_reconfigure = 1;
+ temp_frame = 0;
+ engine = 0;
+
+}
+
+PolarEffect::~PolarEffect()
+{
+
+ if(temp_frame) delete temp_frame;
+ if(engine) delete engine;
+}
+
+
+
+const char* PolarEffect::plugin_title() { return _("Polar"); }
+int PolarEffect::is_realtime() { return 1; }
+
+
+
+
+NEW_WINDOW_MACRO(PolarEffect, PolarWindow)
+
+void PolarEffect::update_gui()
+{
+ if(thread)
+ {
+ load_configuration();
+ thread->window->lock_window();
+ ((PolarWindow*)thread->window)->angle->update(config.angle);
+ ((PolarWindow*)thread->window)->depth->update(config.depth);
+ thread->window->unlock_window();
+ }
+}
+
+LOAD_CONFIGURATION_MACRO(PolarEffect, PolarConfig)
+
+
+
+void PolarEffect::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("POLAR");
+ output.tag.set_property("DEPTH", config.depth);
+ output.tag.set_property("ANGLE", config.angle);
+ output.append_tag();
+ output.tag.set_title("/POLAR");
+ output.append_tag();
+ output.append_newline();
+ output.terminate_string();
+}
+
+void PolarEffect::read_data(KeyFrame *keyframe)
+{
+ FileXML input;
+
+ input.set_shared_input(keyframe->get_data(), strlen(keyframe->get_data()));
+
+ while(!input.read_tag())
+ {
+ if(input.tag.title_is("POLAR"))
+ {
+ config.depth = input.tag.get_property("DEPTH", config.depth);
+ config.angle = input.tag.get_property("ANGLE", config.angle);
+ }
+ }
+}
+
+int PolarEffect::process_realtime(VFrame *input, VFrame *output)
+{
+ need_reconfigure |= load_configuration();
+
+ this->input = input;
+ this->output = output;
+
+ if(EQUIV(config.depth, 0) || EQUIV(config.angle, 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 PolarEngine(this, PluginClient::smp + 1);
+
+ engine->process_packages();
+ }
+ return 0;
+}
+
+
+
+
+
+PolarPackage::PolarPackage()
+ : LoadPackage()
+{
+}
+
+
+
+
+PolarUnit::PolarUnit(PolarEffect *plugin, PolarEngine *server)
+ : LoadClient(server)
+{
+ this->plugin = plugin;
+}
+
+
+static int calc_undistorted_coords(int wx,
+ int wy,
+ int w,
+ int h,
+ float depth,
+ double angle,
+ int polar_to_rectangular,
+ int backwards,
+ int inverse,
+ double cen_x,
+ double cen_y,
+ double &x,
+ double &y)
+{
+ int inside;
+ double phi, phi2;
+ double xx, xm, ym, yy;
+ int xdiff, ydiff;
+ double r;
+ double m;
+ double xmax, ymax, rmax;
+ double x_calc, y_calc;
+ double xi, yi;
+ double circle, angl, t;
+ int x1, x2, y1, y2;
+
+/* initialize */
+
+ phi = 0.0;
+ r = 0.0;
+
+ x1 = 0;
+ y1 = 0;
+ x2 = w;
+ y2 = h;
+ xdiff = x2 - x1;
+ ydiff = y2 - y1;
+ xm = xdiff / 2.0;
+ ym = ydiff / 2.0;
+ circle = depth;
+ angle = angle;
+ angl = (double)angle / 180.0 * M_PI;
+
+ if(polar_to_rectangular)
+ {
+ if(wx >= cen_x)
+ {
+ if(wy > cen_y)
+ {
+ phi = M_PI -
+ atan(((double)(wx - cen_x)) /
+ ((double)(wy - cen_y)));
+ r = sqrt(SQR(wx - cen_x) +
+ SQR(wy - cen_y));
+ }
+ else
+ if(wy < cen_y)
+ {
+ phi = atan(((double)(wx - cen_x)) /
+ ((double)(cen_y - wy)));
+ r = sqrt(SQR(wx - cen_x) +
+ SQR(cen_y - wy));
+ }
+ else
+ {
+ phi = M_PI / 2;
+ r = wx - cen_x;
+ }
+ }
+ else
+ if(wx < cen_x)
+ {
+ if(wy < cen_y)
+ {
+ phi = 2 * M_PI -
+ atan(((double)(cen_x -wx)) /
+ ((double)(cen_y - wy)));
+ r = sqrt(SQR(cen_x - wx) +
+ SQR(cen_y - wy));
+ }
+ else
+ if(wy > cen_y)
+ {
+ phi = M_PI +
+ atan(((double)(cen_x - wx)) /
+ ((double)(wy - cen_y)));
+ r = sqrt(SQR(cen_x - wx) +
+ SQR(wy - cen_y));
+ }
+ else
+ {
+ phi = 1.5 * M_PI;
+ r = cen_x - wx;
+ }
+ }
+ if (wx != cen_x)
+ {
+ m = fabs(((double)(wy - cen_y)) /
+ ((double)(wx - cen_x)));
+ }
+ else
+ {
+ m = 0;
+ }
+
+ if(m <= ((double)(y2 - y1) /
+ (double)(x2 - x1)))
+ {
+ if(wx == cen_x)
+ {
+ xmax = 0;
+ ymax = cen_y - y1;
+ }
+ else
+ {
+ xmax = cen_x - x1;
+ ymax = m * xmax;
+ }
+ }
+ else
+ {
+ ymax = cen_y - y1;
+ xmax = ymax / m;
+ }
+
+ rmax = sqrt((double)(SQR(xmax) + SQR(ymax)));
+
+ t = ((cen_y - y1) < (cen_x - x1)) ? (cen_y - y1) : (cen_x - x1);
+ rmax = (rmax - t) / 100 * (100 - circle) + t;
+
+ phi = fmod(phi + angl, 2 * M_PI);
+
+ if(backwards)
+ x_calc = x2 - 1 - (x2 - x1 - 1) / (2 * M_PI) * phi;
+ else
+ x_calc = (x2 - x1 - 1) / (2 * M_PI) * phi + x1;
+
+ if(inverse)
+ y_calc = (y2 - y1) / rmax * r + y1;
+ else
+ y_calc = y2 - (y2 - y1) / rmax * r;
+
+ xi = (int)(x_calc + 0.5);
+ yi = (int)(y_calc + 0.5);
+
+ if(WITHIN(0, xi, w - 1) && WITHIN(0, yi, h - 1))
+ {
+ x = x_calc;
+ y = y_calc;
+
+ inside = 1;
+ }
+ else
+ {
+ inside = 0;
+ }
+ }
+ else
+ {
+ if(backwards)
+ phi = (2 * M_PI) * (x2 - wx) / xdiff;
+ else
+ phi = (2 * M_PI) * (wx - x1) / xdiff;
+
+ phi = fmod (phi + angl, 2 * M_PI);
+
+ if(phi >= 1.5 * M_PI)
+ phi2 = 2 * M_PI - phi;
+ else
+ if (phi >= M_PI)
+ phi2 = phi - M_PI;
+ else
+ if(phi >= 0.5 * M_PI)
+ phi2 = M_PI - phi;
+ else
+ phi2 = phi;
+
+ xx = tan (phi2);
+ if(xx != 0)
+ m = (double)1.0 / xx;
+ else
+ m = 0;
+
+ if(m <= ((double)(ydiff) / (double)(xdiff)))
+ {
+ if(phi2 == 0)
+ {
+ xmax = 0;
+ ymax = ym - y1;
+ }
+ else
+ {
+ xmax = xm - x1;
+ ymax = m * xmax;
+ }
+ }
+ else
+ {
+ ymax = ym - y1;
+ xmax = ymax / m;
+ }
+
+ rmax = sqrt((double)(SQR(xmax) + SQR(ymax)));
+
+ t = ((ym - y1) < (xm - x1)) ? (ym - y1) : (xm - x1);
+
+ rmax = (rmax - t) / 100.0 * (100 - circle) + t;
+
+ if(inverse)
+ r = rmax * (double)((wy - y1) / (double)(ydiff));
+ else
+ r = rmax * (double)((y2 - wy) / (double)(ydiff));
+
+ xx = r * sin (phi2);
+ yy = r * cos (phi2);
+
+ if(phi >= 1.5 * M_PI)
+ {
+ x_calc = (double)xm - xx;
+ y_calc = (double)ym - yy;
+ }
+ else
+ if(phi >= M_PI)
+ {
+ x_calc = (double)xm - xx;
+ y_calc = (double)ym + yy;
+ }
+ else
+ if(phi >= 0.5 * M_PI)
+ {
+ x_calc = (double)xm + xx;
+ y_calc = (double)ym + yy;
+ }
+ else
+ {
+ x_calc = (double)xm + xx;
+ y_calc = (double)ym - yy;
+ }
+
+ xi = (int)(x_calc + 0.5);
+ yi = (int)(y_calc + 0.5);
+
+ if(WITHIN(0, xi, w - 1) &&
+ WITHIN(0, yi, h - 1))
+ {
+ x = x_calc;
+ y = y_calc;
+
+ inside = 1;
+ }
+ else
+ {
+ inside = 0;
+ }
+ }
+
+ return inside;
+}
+
+static double 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 = values[0] + x * (values[1] - values[0]);
+ m1 = values[2] + x * (values[3] - values[2]);
+ return m0 + y * (m1 - m0);
+}
+
+#define GET_PIXEL(x, y, components, input_rows) \
+ input_rows[CLIP((y), 0, ((h) - 1))] + components * CLIP((x), 0, ((w) - 1))
+
+#define POLAR_MACRO(type, max, components, chroma_offset) \
+{ \
+ type **in_rows = (type**)plugin->input->get_rows(); \
+ type **out_rows = (type**)plugin->output->get_rows(); \
+ double values[4]; \
+ \
+ for(int y = pkg->row1; y < pkg->row2; y++) \
+ { \
+ type *output_row = out_rows[y]; \
+ \
+ for(int x = 0; x < w; x++) \
+ { \
+ type *output_pixel = output_row + x * components; \
+ if(calc_undistorted_coords(x, \
+ y, \
+ w, \
+ h, \
+ plugin->config.depth, \
+ plugin->config.angle, \
+ plugin->config.polar_to_rectangular, \
+ plugin->config.backwards, \
+ plugin->config.invert, \
+ cen_x, \
+ cen_y, \
+ cx, \
+ cy)) \
+ { \
+ type *pixel1 = GET_PIXEL((int)cx, (int)cy, components, in_rows); \
+ type *pixel2 = GET_PIXEL((int)cx + 1, (int)cy, components, in_rows); \
+ type *pixel3 = GET_PIXEL((int)cx, (int)cy + 1, components, in_rows); \
+ type *pixel4 = GET_PIXEL((int)cx + 1, (int)cy + 1, components, in_rows); \
+ \
+ values[0] = pixel1[0]; \
+ values[1] = pixel2[0]; \
+ values[2] = pixel3[0]; \
+ values[3] = pixel4[0]; \
+ output_pixel[0] = (type)bilinear(cx, cy, values); \
+ \
+ values[0] = pixel1[1]; \
+ values[1] = pixel2[1]; \
+ values[2] = pixel3[1]; \
+ values[3] = pixel4[1]; \
+ output_pixel[1] = (type)bilinear(cx, cy, values); \
+ \
+ values[0] = pixel1[2]; \
+ values[1] = pixel2[2]; \
+ values[2] = pixel3[2]; \
+ values[3] = pixel4[2]; \
+ output_pixel[2] = (type)bilinear(cx, cy, values); \
+ \
+ if(components == 4) \
+ { \
+ values[0] = pixel1[3]; \
+ values[1] = pixel2[3]; \
+ values[2] = pixel3[3]; \
+ values[3] = pixel4[3]; \
+ output_pixel[3] = (type)bilinear(cx, cy, values); \
+ } \
+ } \
+ else \
+ { \
+ output_pixel[0] = 0; \
+ output_pixel[1] = chroma_offset; \
+ output_pixel[2] = chroma_offset; \
+ if(components == 4) output_pixel[3] = max; \
+ } \
+ } \
+ } \
+}
+
+
+void PolarUnit::process_package(LoadPackage *package)
+{
+ PolarPackage *pkg = (PolarPackage*)package;
+ int w = plugin->input->get_w();
+ int h = plugin->input->get_h();
+ double cx;
+ double cy;
+ double cen_x = (double)(w - 1) / 2.0;
+ double cen_y = (double)(h - 1) / 2.0;
+
+ switch(plugin->input->get_color_model())
+ {
+ case BC_RGB_FLOAT:
+ POLAR_MACRO(float, 1, 3, 0x0)
+ break;
+ case BC_RGBA_FLOAT:
+ POLAR_MACRO(float, 1, 4, 0x0)
+ break;
+ case BC_RGB888:
+ POLAR_MACRO(unsigned char, 0xff, 3, 0x0)
+ break;
+ case BC_RGBA8888:
+ POLAR_MACRO(unsigned char, 0xff, 4, 0x0)
+ break;
+ case BC_RGB161616:
+ POLAR_MACRO(uint16_t, 0xffff, 3, 0x0)
+ break;
+ case BC_RGBA16161616:
+ POLAR_MACRO(uint16_t, 0xffff, 4, 0x0)
+ break;
+ case BC_YUV888:
+ POLAR_MACRO(unsigned char, 0xff, 3, 0x80)
+ break;
+ case BC_YUVA8888:
+ POLAR_MACRO(unsigned char, 0xff, 4, 0x80)
+ break;
+ case BC_YUV161616:
+ POLAR_MACRO(uint16_t, 0xffff, 3, 0x8000)
+ break;
+ case BC_YUVA16161616:
+ POLAR_MACRO(uint16_t, 0xffff, 4, 0x8000)
+ break;
+ }
+}
+
+
+
+
+PolarEngine::PolarEngine(PolarEffect *plugin, int cpus)
+ : LoadServer(cpus, cpus)
+{
+ this->plugin = plugin;
+}
+
+void PolarEngine::init_packages()
+{
+ for(int i = 0; i < LoadServer::get_total_packages(); i++)
+ {
+ PolarPackage *pkg = (PolarPackage*)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* PolarEngine::new_client()
+{
+ return new PolarUnit(plugin, this);
+}
+
+LoadPackage* PolarEngine::new_package()
+{
+ return new PolarPackage;
+}
+
+
+
projects / goodguy / history.git / blobdiff