+++ /dev/null
-/*
- * C41 plugin for Cinelerra
- * Copyright (C) 2011 Florent Delannoy <florent at plui dot es>
- *
- * 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 "bchash.h"
-#include "clip.h"
-#include "filexml.h"
-#include "guicast.h"
-#include "language.h"
-#include "cicolors.h"
-#include "pluginvclient.h"
-#include "vframe.h"
-
-#include <stdint.h>
-#include <string.h>
-
-/* Class declarations */
-class C41Effect;
-class C41Window;
-
-struct magic
-{
- float min_r;
- float min_g;
- float min_b;
- float light;
- float gamma_g;
- float gamma_b;
-};
-
-class C41Config
-{
-public:
- C41Config();
-
- void copy_from(C41Config &src);
- int equivalent(C41Config &src);
- void interpolate(C41Config &prev,
- C41Config &next,
- long prev_frame,
- long next_frame,
- long current_frame);
-
- int active;
- int compute_magic;
- float fix_min_r;
- float fix_min_g;
- float fix_min_b;
- float fix_light;
- float fix_gamma_g;
- float fix_gamma_b;
-};
-
-class C41Enable : public BC_CheckBox
-{
-public:
- C41Enable(C41Effect *plugin, int *output, int x, int y, char *text);
- int handle_event();
- C41Effect *plugin;
- int *output;
-};
-
-class C41TextBox : public BC_TextBox
-{
-public:
- C41TextBox(C41Effect *plugin, float *value, int x, int y);
- int handle_event();
- C41Effect *plugin;
- float *boxValue;
-};
-
-class C41Button : public BC_GenericButton
-{
-public:
- C41Button(C41Effect *plugin, C41Window *window, int x, int y);
- int handle_event();
- C41Effect *plugin;
- C41Window *window;
- float *boxValue;
-};
-
-class C41Window : public PluginClientWindow
-{
-public:
- C41Window(C41Effect *plugin);
- void create_objects();
- void update();
- void update_magic();
- C41Enable *active;
- C41Enable *compute_magic;
- BC_Title *min_r;
- BC_Title *min_g;
- BC_Title *min_b;
- BC_Title *light;
- BC_Title *gamma_g;
- BC_Title *gamma_b;
- C41TextBox *fix_min_r;
- C41TextBox *fix_min_g;
- C41TextBox *fix_min_b;
- C41TextBox *fix_light;
- C41TextBox *fix_gamma_g;
- C41TextBox *fix_gamma_b;
- C41Button *lock;
- C41Effect *plugin;
-};
-
-
-class C41Effect : public PluginVClient
-{
-public:
- C41Effect(PluginServer *server);
- ~C41Effect();
- PLUGIN_CLASS_MEMBERS(C41Config);
-
- 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();
- void render_gui(void* data);
- int show_gui();
- void raise_window();
- float myLog2(float i) __attribute__ ((optimize(0)));
- float myPow2(float i) __attribute__ ((optimize(0)));
- float myPow(float a, float b);
- double difftime_nano(timespec start, timespec end);
-
- struct magic values;
-};
-
-
-REGISTER_PLUGIN(C41Effect);
-
-
-/* Methods decarations */
-
-// C41Config
-C41Config::C41Config()
-{
- active = 0;
- compute_magic = 0;
-
- fix_min_r = fix_min_g = fix_min_b = fix_light = fix_gamma_g = fix_gamma_b = 0.;
-}
-
-void C41Config::copy_from(C41Config &src)
-{
- active = src.active;
- compute_magic = src.compute_magic;
-
- fix_min_r = src.fix_min_r;
- fix_min_g = src.fix_min_g;
- fix_min_b = src.fix_min_b;
- fix_light = src.fix_light;
- fix_gamma_g = src.fix_gamma_g;
- fix_gamma_b = src.fix_gamma_b;
-}
-
-int C41Config::equivalent(C41Config &src)
-{
- return (src.active == active &&
- compute_magic == src.compute_magic &&
- EQUIV(src.fix_min_r, fix_min_r) &&
- EQUIV(src.fix_min_g, fix_min_g) &&
- EQUIV(src.fix_min_b, fix_min_b) &&
- EQUIV(src.fix_light, fix_light) &&
- EQUIV(src.fix_gamma_g, fix_gamma_g) &&
- EQUIV(src.fix_gamma_b, fix_gamma_b));
-}
-
-void C41Config::interpolate(C41Config &prev,
- C41Config &next,
- long prev_frame,
- long next_frame,
- long current_frame)
-{
- active = prev.active;
- compute_magic = prev.compute_magic;
-
- fix_min_r = prev.fix_min_r;
- fix_min_g = prev.fix_min_g;
- fix_min_b = prev.fix_min_b;
- fix_light = prev.fix_light;
- fix_gamma_g = prev.fix_gamma_g;
- fix_gamma_b = prev.fix_gamma_b;
-}
-
-// C41Enable
-C41Enable::C41Enable(C41Effect *plugin, int *output, int x, int y, char *text)
- : BC_CheckBox(x, y, *output, text)
-{
- this->plugin = plugin;
- this->output = output;
-}
-
-int C41Enable::handle_event()
-{
- *output = get_value();
- plugin->send_configure_change();
- return 1;
-}
-
-// C41TextBox
-C41TextBox::C41TextBox(C41Effect *plugin, float *value, int x, int y)
- : BC_TextBox(x, y, 160, 1, *value)
-{
- this->plugin = plugin;
- this->boxValue = value;
-}
-
-int C41TextBox::handle_event()
-{
- *boxValue = atof(get_text());
- plugin->send_configure_change();
- return 1;
-}
-
-
-// C41Button
-C41Button::C41Button(C41Effect *plugin, C41Window *window, int x, int y)
- : BC_GenericButton(x, y, _("Lock parameters"))
-{
- this->plugin = plugin;
- this->window = window;
-}
-
-int C41Button::handle_event()
-{
- plugin->config.fix_min_r = plugin->values.min_r;
- plugin->config.fix_min_g = plugin->values.min_g;
- plugin->config.fix_min_b = plugin->values.min_b;
- plugin->config.fix_light = plugin->values.light;
- plugin->config.fix_gamma_g = plugin->values.gamma_g;
- plugin->config.fix_gamma_b = plugin->values.gamma_b;
-
- window->update();
- plugin->send_configure_change();
- return 1;
-}
-
-// C41Window
-C41Window::C41Window(C41Effect *plugin)
- : PluginClientWindow(plugin, 270, 620, 1, 0, 1)
-{
- this->plugin = plugin;
-}
-
-void C41Window::create_objects()
-{
- int x = 10;
- int y = 10;
-
- add_subwindow(active = new C41Enable(plugin, &plugin->config.active, x, y, _("Activate processing")));
- y += 40;
-
- add_subwindow(compute_magic = new C41Enable(plugin, &plugin->config.compute_magic, x, y, _("Compute negfix values")));
- y += 20;
- add_subwindow(new BC_Title(x + 20, y, _("(uncheck for faster rendering)")));
- y += 40;
-
- add_subwindow(new BC_Title(x, y, _("Computed negfix values:")));
- y += 30;
-
- add_subwindow(new BC_Title(x, y, _("Min R:")));
- add_subwindow(min_r = new BC_Title(x + 80, y, "0.0000"));
- y += 30;
-
- add_subwindow(new BC_Title(x, y, _("Min G:")));
- add_subwindow(min_g = new BC_Title(x + 80, y, "0.0000"));
- y += 30;
-
- add_subwindow(new BC_Title(x, y, _("Min B:")));
- add_subwindow(min_b = new BC_Title(x + 80, y, "0.0000"));
- y += 30;
-
- add_subwindow(new BC_Title(x, y, _("Light:")));
- add_subwindow(light = new BC_Title(x + 80, y, "0.0000"));
- y += 30;
-
- add_subwindow(new BC_Title(x, y, _("Gamma G:")));
- add_subwindow(gamma_g = new BC_Title(x + 80, y, "0.0000"));
- y += 30;
-
- add_subwindow(new BC_Title(x, y, _("Gamma B:")));
- add_subwindow(gamma_b = new BC_Title(x + 80, y, "0.0000"));
- y += 30;
-
- add_subwindow(lock = new C41Button(plugin, this, x, y));
- y += 30;
-
- y += 20;
- add_subwindow(new BC_Title(x, y, _("negfix values to apply:")));
- y += 30;
-
- add_subwindow(new BC_Title(x, y, _("Min R:")));
- add_subwindow(fix_min_r = new C41TextBox(plugin, &plugin->config.fix_min_r, x + 80, y));
- y += 30;
-
- add_subwindow(new BC_Title(x, y, _("Min G:")));
- add_subwindow(fix_min_g = new C41TextBox(plugin, &plugin->config.fix_min_g, x + 80, y));
- y += 30;
-
- add_subwindow(new BC_Title(x, y, _("Min B:")));
- add_subwindow(fix_min_b = new C41TextBox(plugin, &plugin->config.fix_min_b, x + 80, y));
- y += 30;
-
- add_subwindow(new BC_Title(x, y, _("Light:")));
- add_subwindow(fix_light = new C41TextBox(plugin, &plugin->config.fix_light, x + 80, y));
- y += 30;
-
- add_subwindow(new BC_Title(x, y, _("Gamma G:")));
- add_subwindow(fix_gamma_g = new C41TextBox(plugin, &plugin->config.fix_gamma_g, x + 80, y));
- y += 30;
-
- add_subwindow(new BC_Title(x, y, _("Gamma B:")));
- add_subwindow(fix_gamma_b = new C41TextBox(plugin, &plugin->config.fix_gamma_b, x + 80, y));
- y += 30;
- show_window();
- flush();
- update_magic();
-}
-
-void C41Window::update()
-{
- active->update(plugin->config.active);
- compute_magic->update(plugin->config.compute_magic);
-
- fix_min_r->update(plugin->config.fix_min_r);
- fix_min_g->update(plugin->config.fix_min_g);
- fix_min_b->update(plugin->config.fix_min_b);
- fix_light->update(plugin->config.fix_light);
- fix_gamma_g->update(plugin->config.fix_gamma_g);
- fix_gamma_b->update(plugin->config.fix_gamma_b);
-
- update_magic();
-}
-
-void C41Window::update_magic()
-{
- min_r->update(plugin->values.min_r);
- min_g->update(plugin->values.min_g);
- min_b->update(plugin->values.min_b);
- light->update(plugin->values.light);
- gamma_g->update(plugin->values.gamma_g);
- gamma_b->update(plugin->values.gamma_b);
-}
-
-
-// C41Effect
-C41Effect::C41Effect(PluginServer *server)
- : PluginVClient(server)
-{
- memset(&values, 0, sizeof(values));
-}
-
-C41Effect::~C41Effect()
-{
-}
-
-const char* C41Effect::plugin_title() { return _("C41"); }
-
-int C41Effect::is_realtime() { return 1; }
-
-LOAD_CONFIGURATION_MACRO(C41Effect, C41Config)
-
-
-NEW_WINDOW_MACRO(C41Effect, C41Window)
-
-void C41Effect::update_gui()
-{
- if(thread && load_configuration())
- {
- C41Window *window = (C41Window *)thread->window;
- window->lock_window("C41Effect::update_gui");
- window->update();
- window->unlock_window();
- }
-}
-
-void C41Effect::render_gui(void* data)
-{
- // Updating values computed by process_frame
- struct magic *vp = (struct magic *)data;
-
- values = *vp;
- if(thread) {
- C41Window *window = (C41Window *)thread->window;
- window->update_magic();
- }
-}
-
-void C41Effect::save_data(KeyFrame *keyframe)
-{
- FileXML output;
- output.set_shared_output(keyframe->get_data(), MESSAGESIZE);
- output.tag.set_title("C41");
- output.tag.set_property("ACTIVE", config.active);
- output.tag.set_property("COMPUTE_MAGIC", config.compute_magic);
-
- output.tag.set_property("FIX_MIN_R", config.fix_min_r);
- output.tag.set_property("FIX_MIN_G", config.fix_min_g);
- output.tag.set_property("FIX_MIN_B", config.fix_min_b);
- output.tag.set_property("FIX_LIGHT", config.fix_light);
- output.tag.set_property("FIX_GAMMA_G", config.fix_gamma_g);
- output.tag.set_property("FIX_GAMMA_B", config.fix_gamma_b);
-
- output.append_tag();
- output.tag.set_title("/C41");
- output.append_tag();
- output.terminate_string();
-}
-
-void C41Effect::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("C41"))
- {
- config.active = input.tag.get_property("ACTIVE", config.active);
- config.compute_magic = input.tag.get_property("COMPUTE_MAGIC", config.compute_magic);
-
- config.fix_min_r = input.tag.get_property("FIX_MIN_R", config.fix_min_r);
- config.fix_min_g = input.tag.get_property("FIX_MIN_G", config.fix_min_g);
- config.fix_min_b = input.tag.get_property("FIX_MIN_B", config.fix_min_b);
- config.fix_light = input.tag.get_property("FIX_LIGHT", config.fix_light);
- config.fix_gamma_g = input.tag.get_property("FIX_GAMMA_G", config.fix_gamma_g);
- config.fix_gamma_b = input.tag.get_property("FIX_GAMMA_B", config.fix_gamma_b);
- }
- }
-}
-
-
-/* Faster pow() approximation; borrowed from http://www.dctsystems.co.uk/Software/power.html
- * Tests on real-world data showed a max error of 4% and avg. error or .1 to .5%,
- * while accelerating rendering by a factor of 4.
- */
-float C41Effect::myLog2(float i)
-{
- float x;
- float y;
- float LogBodge = 0.346607f;
- x = *(int *)&i;
- x *= 1.0 / (1 << 23); // 1/pow(2,23);
- x = x - 127;
-
- y = x - floorf(x);
- y = (y - y * y) * LogBodge;
- return x + y;
-}
-
-float C41Effect::myPow2(float i)
-{
- float PowBodge = 0.33971f;
- float x;
- float y = i - floorf(i);
- y = (y - y * y) * PowBodge;
-
- x = i + 127 - y;
- x *= (1 << 23);
- *(int*) &x = (int)x;
- return x;
-}
-
-float C41Effect::myPow(float a, float b)
-{
- return myPow2(b * myLog2(a));
-}
-
-
-int C41Effect::process_buffer(VFrame *vframe,
- int64_t start_position,
- double frame_rate)
-{
- load_configuration();
- VFrame *frame = vframe;
- read_frame(frame, 0, start_position, frame_rate, 0);
-
- int frame_w = frame->get_w();
- int frame_h = frame->get_h();
- int color_model = frame->get_color_model();
- int active_model = BC_CModels::has_alpha(color_model) ?
- BC_RGBA_FLOAT : BC_RGB_FLOAT;
- int components = active_model == BC_RGBA_FLOAT ? 4 : 3;
-
- if( color_model != active_model ) {
- new_temp(frame_w, frame_h, active_model);
- frame = get_temp();
- frame->transfer_from(vframe);
- }
-
- if(config.compute_magic) {
- // Box blur!
- VFrame* tmp_frame = new VFrame(*frame);
- VFrame* blurry_frame = new VFrame(*frame);
-
- float** rows = (float**)frame->get_rows();
- float** tmp_rows = (float**)tmp_frame->get_rows();
- float** blurry_rows = (float**)blurry_frame->get_rows();
- for(int i = 0; i < frame_h; i++)
- for(int j = 0; j < (components*frame_w); j++)
- blurry_rows[i][j] = rows[i][j];
-
- int boxw = 5, boxh = 5;
- // 10 passes of Box blur should be good
- int pass, x, y, y_up, y_down, x_right, x_left;
- float component;
- for(pass=0; pass<10; pass++) {
- for(y = 0; y < frame_h; y++)
- for(x = 0; x < (components * frame_w); x++)
- tmp_rows[y][x] = blurry_rows[y][x];
- for(y = 0; y < frame_h; y++) {
- y_up = (y - boxh < 0)? 0 : y - boxh;
- y_down = (y + boxh >= frame_h)? frame_h - 1 : y + boxh;
- for(x = 0; x < (components*frame_w); x++) {
- x_left = (x-(components*boxw) < 0)? 0 : x-(components*boxw);
- x_right = (x+(components*boxw) >= (components*frame_w)) ?
- (components*frame_w)-1 : x+(components*boxw);
- component = (tmp_rows[y_down][x_right]
- +tmp_rows[y_up][x_left]
- +tmp_rows[y_up][x_right]
- +tmp_rows[y_down][x_right])/4;
- blurry_rows[y][x] = component;
- }
- }
- }
-
- // Compute magic negfix values
- float minima_r = 50., minima_g = 50., minima_b = 50.;
- float maxima_r = 0., maxima_g = 0., maxima_b = 0.;
-
- // Shave the image in order to avoid black borders
- // Tolerance default: 5%, i.e. 0.05
-#define TOLERANCE 0.20
-#define SKIP_ROW if (i < (TOLERANCE * frame_h) || i > ((1-TOLERANCE)*frame_h)) continue
-#define SKIP_COL if (j < (TOLERANCE * frame_w) || j > ((1-TOLERANCE)*frame_w)) continue
-for(int i = 0; i < frame_h; i++)
- {
- SKIP_ROW;
- float *row = (float*)blurry_frame->get_rows()[i];
- for(int j = 0; j < frame_w; j++, row += components) {
- SKIP_COL;
- if(row[0] < minima_r) minima_r = row[0];
- if(row[0] > maxima_r) maxima_r = row[0];
-
- if(row[1] < minima_g) minima_g = row[1];
- if(row[1] > maxima_g) maxima_g = row[1];
-
- if(row[2] < minima_b) minima_b = row[2];
- if(row[2] > maxima_b) maxima_b = row[2];
- }
- }
-
- // Delete the VFrames we used for blurring
- delete tmp_frame;
- delete blurry_frame;
-
- if( minima_r < 1e-3) minima_r = 1e-3;
- if( minima_g < 1e-3) minima_g = 1e-3;
- if( minima_b < 1e-3) minima_b = 1e-3;
- values.min_r = minima_r;
- values.min_g = minima_g;
- values.min_b = minima_b;
- values.light = (minima_r / maxima_r) * 0.95;
- values.gamma_g = fabs(maxima_g - minima_g) < 1e-3 ? 1. :
- logf(maxima_r / minima_r) / logf(maxima_g / minima_g);
- values.gamma_b = fabs(maxima_b - minima_b) < 1e-3 ? 1. :
- logf(maxima_r / minima_r) / logf(maxima_b / minima_b);
-
- // Update GUI
- send_render_gui(&values);
- }
-
- // Apply the transformation
- if(config.active) {
- // Get the values from the config instead of the computed ones
- for(int i = 0; i < frame_h; i++) {
- float *row = (float*)frame->get_rows()[i];
- for(int j = 0; j < frame_w; j++, row += components) {
- row[0] = row[0] < 1e-3 ? 1.f :
- (config.fix_min_r / row[0]) - config.fix_light;
- row[1] = row[1] < 1e-3 ? 1.f :
- myPow((config.fix_min_g / row[1]), config.fix_gamma_g) - config.fix_light;
- row[2] = row[2] < 1e-3 ? 1.f :
- myPow((config.fix_min_b / row[2]), config.fix_gamma_b) - config.fix_light;
- }
- }
- }
-
- if( vframe != frame )
- vframe->transfer_from(frame);
-
- return 0;
-}
-
projects / goodguy / history.git / blobdiff