Merge CV, ver=5.1; ops/methods from HV, and interface from CV where possible
[goodguy/history.git] / cinelerra-5.1 / plugins / unsharp / unsharp.C
diff --git a/cinelerra-5.1/plugins/unsharp/unsharp.C b/cinelerra-5.1/plugins/unsharp/unsharp.C
new file mode 100644 (file)
index 0000000..3e50ac6
--- /dev/null
@@ -0,0 +1,668 @@
+
+/*
+ * 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 "bcsignals.h"
+#include "filexml.h"
+#include "keyframe.h"
+#include "language.h"
+#include "unsharp.h"
+#include "unsharpwindow.h"
+
+
+#include <errno.h>
+#include <unistd.h>
+
+REGISTER_PLUGIN(UnsharpMain)
+
+
+
+UnsharpConfig::UnsharpConfig()
+{
+       radius = 5;
+       amount = 0.5;
+       threshold = 0;
+}
+
+int UnsharpConfig::equivalent(UnsharpConfig &that)
+{
+       return EQUIV(radius, that.radius) &&
+               EQUIV(amount, that.amount) &&
+               threshold == that.threshold;
+}
+
+void UnsharpConfig::copy_from(UnsharpConfig &that)
+{
+       radius = that.radius;
+       amount = that.amount;
+       threshold = that.threshold;
+}
+
+void UnsharpConfig::interpolate(UnsharpConfig &prev, 
+       UnsharpConfig &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->radius = prev.radius * prev_scale + next.radius * next_scale;
+       this->amount = prev.amount * prev_scale + next.amount * next_scale;
+       this->threshold = (int)(prev.threshold * prev_scale + next.threshold * next_scale);
+}
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+UnsharpMain::UnsharpMain(PluginServer *server)
+ : PluginVClient(server)
+{
+       
+       engine = 0;
+}
+
+UnsharpMain::~UnsharpMain()
+{
+       
+       delete engine;
+}
+
+const char* UnsharpMain::plugin_title() { return _("Unsharp"); }
+int UnsharpMain::is_realtime() { return 1; }
+
+
+NEW_WINDOW_MACRO(UnsharpMain, UnsharpWindow)
+
+LOAD_CONFIGURATION_MACRO(UnsharpMain, UnsharpConfig)
+
+
+
+void UnsharpMain::update_gui()
+{
+       if(thread)
+       {
+               if(load_configuration())
+               {
+                       thread->window->lock_window("UnsharpMain::update_gui");
+                       ((UnsharpWindow*)thread->window)->update();
+                       thread->window->unlock_window();
+               }
+       }
+}
+
+
+
+
+void UnsharpMain::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("UNSHARP");
+
+       output.tag.set_property("RADIUS", config.radius);
+       output.tag.set_property("AMOUNT", config.amount);
+       output.tag.set_property("THRESHOLD", config.threshold);
+       output.append_tag();
+       output.tag.set_title("/UNSHARP");
+       output.append_tag();
+       output.append_newline();
+       output.terminate_string();
+}
+
+void UnsharpMain::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("UNSHARP"))
+                       {
+                               config.radius = input.tag.get_property("RADIUS", config.radius);
+                               config.amount = input.tag.get_property("AMOUNT", config.amount);
+                               config.threshold = input.tag.get_property("THRESHOLD", config.threshold);
+                       }
+               }
+       }
+}
+
+
+
+
+
+
+
+int UnsharpMain::process_buffer(VFrame *frame,
+       int64_t start_position,
+       double frame_rate)
+{
+       /*int need_reconfigure =*/ load_configuration();
+
+       if(!engine) engine = new UnsharpEngine(this, 
+               get_project_smp() + 1, get_project_smp() + 1);
+       read_frame(frame, 0, get_source_position(), get_framerate(), 0);
+       engine->do_unsharp(frame);
+       return 0;
+}
+
+
+
+
+
+
+
+
+
+
+
+
+UnsharpPackage::UnsharpPackage()
+ : LoadPackage()
+{
+}
+
+
+
+
+
+
+UnsharpUnit::UnsharpUnit(UnsharpEngine *server, 
+       UnsharpMain *plugin)
+ : LoadClient(server)
+{
+       this->plugin = plugin;
+       this->server = server;
+       temp = 0;
+}
+
+UnsharpUnit::~UnsharpUnit()
+{
+       delete temp;
+}
+
+
+// Derived from the Gimp.
+// In the original file it says
+//
+// Copyright (C) 1999 Winston Chang
+//                    <winstonc@cs.wisc.edu>
+//                    <winston@stdout.org>
+//
+// Adapted for Cinelerra by Heroine Virtual Ltd.
+
+static int calculate_convolution_matrix(double radius, double **cmatrix)
+{
+       radius = fabs(radius) + 1.0;
+       double std_dev = radius;
+       radius = std_dev * 2;
+       int matrix_length = (int)(2 * ceil(radius - 0.5) + 1);
+       matrix_length = MAX(1, matrix_length);
+//     int matrix_midpoint = matrix_length / 2 + 1;
+       (*cmatrix) = new double[matrix_length];
+
+// Top right of matrix
+       for(int i = matrix_length / 2 + 1; i < matrix_length; i++)
+       {
+               double base_x = i - floor(matrix_length / 2) - 0.5;
+               double sum = 0;
+               for(int j = 1; j <= 50; j++)
+               {
+                       if(base_x + 0.02 * j <= radius)
+                       {
+                               sum += exp(-(base_x + 0.02 * j) * 
+                                       (base_x + 0.02 * j) /
+                                       (2 * std_dev * std_dev));
+                       }
+               }
+               (*cmatrix)[i] = sum / 50;
+       }
+
+// Top left of matrix
+       for(int i = 0; i < matrix_length / 2; i++)
+       {
+               (*cmatrix)[i] = (*cmatrix)[matrix_length - 1 - i];
+       }
+
+// Center value
+       double sum = 0;
+       for(int j = 0; j <= 50; j++)
+       {
+               sum += exp(-(0.5 + 0.02 * j) *
+                       (0.5 + 0.02 * j) /
+                       (2 * std_dev * std_dev));
+       }
+       (*cmatrix)[matrix_length / 2] = sum / 51;
+
+// Normalize
+       sum = 0;
+       for(int i = 0; i < matrix_length; i++)
+               sum += (*cmatrix)[i];
+       for(int i = 0; i < matrix_length; i++)
+               (*cmatrix)[i] = (*cmatrix)[i] / sum;
+
+       return matrix_length;
+}
+
+static double get_convolution(double *cmatrix,
+       float input,
+       int index)
+{
+       return cmatrix[index] * input;
+}
+
+static void blur_pixels(double *cmatrix, 
+       int cmatrix_length,
+       float *input,
+       float *output,
+       int pixels,
+       int components)
+{
+       if(cmatrix_length > pixels)
+       {
+               for(int pixel = 0; pixel < pixels; pixel++)
+               {
+                       double scale = 0;
+                       for(int j = 0; j < pixels; j++)
+                       {
+                               if((j + cmatrix_length / 2 - pixel >= 0) &&
+                                       (j + cmatrix_length / 2 - pixel < cmatrix_length))
+                               {
+                                       scale += cmatrix[j + cmatrix_length / 2 - pixel];
+                               }
+                       }
+
+                       for(int i = 0; i < components; i++)
+                       {
+                               double sum = 0;
+                               for(int j = 0; j < pixels; j++)
+                               {
+                                       if((j >= pixel - cmatrix_length / 2) &&
+                                               (j <= pixel + cmatrix_length / 2))
+                                       {
+                                               sum += input[j * components + i] * cmatrix[i];
+                                       }
+                               }
+                               output[pixel * components + i] = sum / scale;
+                       }
+               }
+       }
+       else
+       {
+               int cmatrix_middle = cmatrix_length / 2;
+               int pixel;
+               for(pixel = 0; pixel < cmatrix_middle; pixel++)
+               {
+                       double scale = 0;
+                       for(int j = cmatrix_middle - pixel; j < cmatrix_length;j++)
+                       {
+                               scale += cmatrix[j];
+                       }
+
+                       for(int i = 0; i < components; i++)
+                       {
+                               double sum = 0;
+                               for(int j = cmatrix_middle - pixel; j < cmatrix_length; j++)
+                               {
+                                       sum += input[(pixel + j - cmatrix_middle) * components + i] *
+                                               cmatrix[j];
+                               }
+                               output[pixel * components + i] = sum / scale;
+                       }
+               }
+
+               float *output_ptr = output + pixel * components;
+               for( ; pixel < pixels - cmatrix_middle; pixel++)
+               {
+                       float *input_ptr = input + (pixel - cmatrix_middle) * components;
+                       for(int i = 0; i < components; i++)
+                       {
+                               double sum = 0;
+                               float *input_ptr2 = input_ptr;
+                               for(int j = cmatrix_length; j > 0; j--)
+                               {
+                                       sum += get_convolution(cmatrix, 
+                                               *input_ptr2, 
+                                               cmatrix_length - j);
+                                       input_ptr2 += components;
+                               }
+                               input_ptr++;
+                               *output_ptr++ = sum;
+                       }
+               }
+
+               for( ; pixel < pixels; pixel++)
+               {
+                       double scale = 0;
+                       for(int j = 0; j < pixels - pixel + cmatrix_middle; j++)
+                       {
+                               scale += cmatrix[j];
+                       }
+
+                       for(int i = 0; i < components; i++)
+                       {
+                               double sum = 0;
+                               for(int j = 0; j < pixels - pixel + cmatrix_middle; j++)
+                               {
+                                       sum += input[(pixel + j - cmatrix_middle) * components + i] *
+                                               cmatrix[j];
+                               }
+                               output[pixel * components + i] = sum / scale;
+                       }
+               }
+       }
+}
+
+#define GET_ROW(type, components) \
+{ \
+       type *in_row = (type*)src->get_rows()[row]; \
+       int pixels = src->get_w() * components; \
+       for(int i = 0; i < pixels; i++) \
+       { \
+               dst[i] = in_row[i]; \
+       } \
+}
+
+static void get_row(float *dst, VFrame *src, int row)
+{
+       switch(src->get_color_model())
+       {
+               case BC_RGB888:
+               case BC_YUV888:
+                       GET_ROW(unsigned char, 3);
+                       break;
+               case BC_RGB_FLOAT:
+                       GET_ROW(float, 3);
+                       break;
+               case BC_RGBA8888:
+               case BC_YUVA8888:
+                       GET_ROW(unsigned char, 4);
+                       break;
+               case BC_RGBA_FLOAT:
+                       GET_ROW(float, 4);
+                       break;
+               case BC_YUV161616:
+                       GET_ROW(uint16_t, 3);
+                       break;
+               case BC_YUVA16161616:
+                       GET_ROW(uint16_t, 4);
+                       break;
+       }
+}
+
+static void get_column(float *dst, VFrame *src, int column)
+{
+       int components = BC_CModels::components(src->get_color_model());
+       for(int i = 0; i < src->get_h(); i++)
+       {
+               float *input_pixel = (float*)src->get_rows()[i] + column * components;
+               memcpy(dst, input_pixel, sizeof(float) * components);
+               dst += components;
+       }
+}
+
+static void put_column(float *src, VFrame *dst, int column)
+{
+       int components = BC_CModels::components(dst->get_color_model());
+       for(int i = 0; i < dst->get_h(); i++)
+       {
+               float *output_pixel = (float*)dst->get_rows()[i] + column * components;
+               memcpy(output_pixel, src, sizeof(float) * components);
+               src += components;
+       }
+}
+
+void UnsharpUnit::process_package(LoadPackage *package)
+{
+       UnsharpPackage *pkg = (UnsharpPackage*)package;
+//     int w = server->src->get_w();
+//     int h = server->src->get_h();
+       int color_model = server->src->get_color_model();
+       int components = BC_CModels::components(color_model);
+       double *cmatrix = 0;
+       int cmatrix_length = 0;
+       int padded_y1 = pkg->y1;
+       int padded_y2 = pkg->y2;
+
+       cmatrix_length = calculate_convolution_matrix(
+               plugin->config.radius, 
+               &cmatrix);
+
+
+       if(padded_y2 < server->src->get_h())
+       {
+               padded_y2 += cmatrix_length / 2;
+               padded_y2 = MIN(server->src->get_h(), padded_y2);
+       }
+       if(padded_y1 > 0)
+       {
+               padded_y1 -= cmatrix_length / 2;
+               padded_y1 = MAX(0, padded_y1);
+       }
+
+       int padded_rows = padded_y2 - padded_y1;
+
+       if(!temp || temp->get_h() != padded_rows)
+       {
+               delete temp;
+               temp = 0;
+       }
+
+       if(!temp)
+       {
+               temp = new VFrame;
+               temp->set_use_shm(0);
+               temp->reallocate(0,
+                       -1,
+                       0,
+                       0,
+                       0,
+                       server->src->get_w(),
+                       padded_rows,
+                       components == 3 ? BC_RGB_FLOAT : BC_RGBA_FLOAT,
+                       -1);
+       }
+
+       float *temp_in = new float[MAX(temp->get_w(), padded_rows) * components];
+       float *temp_out = new float[MAX(temp->get_w(), padded_rows) * components];
+
+// Blur rows
+       for(int i = padded_y1; i < padded_y2; i++)
+       {
+               get_row(temp_in, server->src, i);
+               blur_pixels(cmatrix, 
+                       cmatrix_length,
+                       temp_in,
+                       temp_out,
+                       temp->get_w(),
+                       components);
+// printf("UnsharpUnit::process_package %d %p %p %p %d %d\n", 
+// __LINE__, 
+// temp, 
+// temp->get_rows()[0], 
+// temp_out,
+// i - padded_y1,
+// temp->get_bytes_per_line());
+               memcpy(temp->get_rows()[i - padded_y1],
+                       temp_out,
+                       temp->get_bytes_per_line());
+       }
+
+//Now we're 100% floating point.  Blur the columns
+       for(int i = 0; i < temp->get_w(); i++)
+       {
+               get_column(temp_in, temp, i);
+               blur_pixels(cmatrix,
+                       cmatrix_length,
+                       temp_in,
+                       temp_out,
+                       padded_rows,
+                       components);
+               put_column(temp_out, temp, i);
+       }
+
+
+//printf("%f %f %d\n", plugin->config.radius,plugin->config.amount, plugin->config.threshold);
+
+
+#define UNSHARPEN(type, components, max) \
+{ \
+       float threshold = (float)plugin->config.threshold * max / 0xff; \
+       float amount = plugin->config.amount; \
+ \
+       for(int i = pkg->y1; i < pkg->y2; i++) \
+       { \
+               float *blurry_row = (float*)temp->get_rows()[i - padded_y1]; \
+               type *orig_row = (type*)server->src->get_rows()[i]; \
+               for(int j = 0; j < server->src->get_w(); j++) \
+               { \
+                       for(int k = 0; k < components; k++) \
+                       { \
+                               float diff = *orig_row - *blurry_row; \
+                               if(fabsf(2 * diff) < threshold) \
+                                       diff = 0; \
+                               float value = *orig_row + amount * diff; \
+                               if(sizeof(type) == 4) \
+                                       *orig_row = (type)value; \
+                               else \
+                                       *orig_row = (type)CLIP(value, 0, max); \
+                               blurry_row++; \
+                               orig_row++; \
+                       } \
+               } \
+       } \
+}
+
+// Apply unsharpening
+       switch(color_model)
+       {
+               case BC_RGB888:
+               case BC_YUV888:
+                       UNSHARPEN(unsigned char, 3, 0xff);
+                       break;
+               case BC_RGBA8888:
+               case BC_YUVA8888:
+                       UNSHARPEN(unsigned char, 4, 0xff);
+                       break;
+               case BC_RGB_FLOAT:
+                       UNSHARPEN(float, 3, 1.0);
+                       break;
+               case BC_RGBA_FLOAT:
+                       UNSHARPEN(float, 4, 1.0);
+                       break;
+               case BC_YUV161616:
+                       UNSHARPEN(uint16_t, 3, 0xffff);
+                       break;
+               case BC_YUVA16161616:
+                       UNSHARPEN(uint16_t, 4, 0xffff);
+                       break;
+       }
+
+       delete [] temp_in;
+       delete [] temp_out;
+       delete [] cmatrix;
+}
+
+
+
+
+
+
+
+
+
+UnsharpEngine::UnsharpEngine(UnsharpMain *plugin, 
+       int total_clients,
+       int total_packages)
+ : LoadServer(
+//1, 1 
+total_clients, total_packages 
+)
+{
+       this->plugin = plugin;
+}
+
+UnsharpEngine::~UnsharpEngine()
+{
+}
+
+
+void UnsharpEngine::init_packages()
+{
+       for(int i = 0; i < get_total_packages(); i++)
+       {
+               UnsharpPackage *pkg = (UnsharpPackage*)get_package(i);
+               pkg->y1 = src->get_h() * i / get_total_packages();
+               pkg->y2 = src->get_h() * (i + 1) / get_total_packages();
+       }
+}
+
+LoadClient* UnsharpEngine::new_client()
+{
+       return new UnsharpUnit(this, plugin);
+}
+
+LoadPackage* UnsharpEngine::new_package()
+{
+       return new UnsharpPackage;
+}
+
+
+void UnsharpEngine::do_unsharp(VFrame *src)
+{
+       this->src = src;
+
+       process_packages();
+}
+
+
+
+
+
+
+
+
+