4 * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #include "bcdisplayinfo.h"
25 #include "bcsignals.h"
30 #include "unsharpwindow.h"
36 REGISTER_PLUGIN(UnsharpMain)
40 UnsharpConfig::UnsharpConfig()
45 void UnsharpConfig::reset()
52 int UnsharpConfig::equivalent(UnsharpConfig &that)
54 return EQUIV(radius, that.radius) &&
55 EQUIV(amount, that.amount) &&
56 threshold == that.threshold;
59 void UnsharpConfig::copy_from(UnsharpConfig &that)
63 threshold = that.threshold;
66 void UnsharpConfig::interpolate(UnsharpConfig &prev,
70 int64_t current_frame)
72 double next_scale = (double)(current_frame - prev_frame) / (next_frame - prev_frame);
73 double prev_scale = (double)(next_frame - current_frame) / (next_frame - prev_frame);
74 this->radius = prev.radius * prev_scale + next.radius * next_scale;
75 this->amount = prev.amount * prev_scale + next.amount * next_scale;
76 this->threshold = (int)(prev.threshold * prev_scale + next.threshold * next_scale);
97 UnsharpMain::UnsharpMain(PluginServer *server)
98 : PluginVClient(server)
104 UnsharpMain::~UnsharpMain()
110 const char* UnsharpMain::plugin_title() { return N_("Unsharp"); }
111 int UnsharpMain::is_realtime() { return 1; }
114 NEW_WINDOW_MACRO(UnsharpMain, UnsharpWindow)
116 LOAD_CONFIGURATION_MACRO(UnsharpMain, UnsharpConfig)
120 void UnsharpMain::update_gui()
124 if(load_configuration())
126 thread->window->lock_window("UnsharpMain::update_gui");
127 ((UnsharpWindow*)thread->window)->update();
128 thread->window->unlock_window();
136 void UnsharpMain::save_data(KeyFrame *keyframe)
140 // cause data to be stored directly in text
141 output.set_shared_output(keyframe->xbuf);
142 output.tag.set_title("UNSHARP");
144 output.tag.set_property("RADIUS", config.radius);
145 output.tag.set_property("AMOUNT", config.amount);
146 output.tag.set_property("THRESHOLD", config.threshold);
148 output.tag.set_title("/UNSHARP");
150 output.append_newline();
151 output.terminate_string();
154 void UnsharpMain::read_data(KeyFrame *keyframe)
158 input.set_shared_input(keyframe->xbuf);
164 result = input.read_tag();
168 if(input.tag.title_is("UNSHARP"))
170 config.radius = input.tag.get_property("RADIUS", config.radius);
171 config.amount = input.tag.get_property("AMOUNT", config.amount);
172 config.threshold = input.tag.get_property("THRESHOLD", config.threshold);
184 int UnsharpMain::process_buffer(VFrame *frame,
185 int64_t start_position,
188 /*int need_reconfigure =*/ load_configuration();
190 if(!engine) engine = new UnsharpEngine(this,
191 get_project_smp() + 1, get_project_smp() + 1);
192 read_frame(frame, 0, get_source_position(), get_framerate(), 0);
193 engine->do_unsharp(frame);
208 UnsharpPackage::UnsharpPackage()
218 UnsharpUnit::UnsharpUnit(UnsharpEngine *server,
222 this->plugin = plugin;
223 this->server = server;
227 UnsharpUnit::~UnsharpUnit()
233 // Derived from the Gimp.
234 // In the original file it says
236 // Copyright (C) 1999 Winston Chang
240 // Adapted for Cinelerra by Heroine Virtual Ltd.
242 static int calculate_convolution_matrix(double radius, double **cmatrix)
244 radius = fabs(radius) + 1.0;
245 double std_dev = radius;
246 radius = std_dev * 2;
247 int matrix_length = (int)(2 * ceil(radius - 0.5) + 1);
248 matrix_length = MAX(1, matrix_length);
249 // int matrix_midpoint = matrix_length / 2 + 1;
250 (*cmatrix) = new double[matrix_length];
252 // Top right of matrix
253 for(int i = matrix_length / 2 + 1; i < matrix_length; i++)
255 double base_x = i - floor(matrix_length / 2) - 0.5;
257 for(int j = 1; j <= 50; j++)
259 if(base_x + 0.02 * j <= radius)
261 sum += exp(-(base_x + 0.02 * j) *
262 (base_x + 0.02 * j) /
263 (2 * std_dev * std_dev));
266 (*cmatrix)[i] = sum / 50;
269 // Top left of matrix
270 for(int i = 0; i < matrix_length / 2; i++)
272 (*cmatrix)[i] = (*cmatrix)[matrix_length - 1 - i];
277 for(int j = 0; j <= 50; j++)
279 sum += exp(-(0.5 + 0.02 * j) *
281 (2 * std_dev * std_dev));
283 (*cmatrix)[matrix_length / 2] = sum / 51;
287 for(int i = 0; i < matrix_length; i++)
288 sum += (*cmatrix)[i];
289 for(int i = 0; i < matrix_length; i++)
290 (*cmatrix)[i] = (*cmatrix)[i] / sum;
292 return matrix_length;
295 static double get_convolution(double *cmatrix,
299 return cmatrix[index] * input;
302 static void blur_pixels(double *cmatrix,
309 if(cmatrix_length > pixels)
311 for(int pixel = 0; pixel < pixels; pixel++)
314 for(int j = 0; j < pixels; j++)
316 if((j + cmatrix_length / 2 - pixel >= 0) &&
317 (j + cmatrix_length / 2 - pixel < cmatrix_length))
319 scale += cmatrix[j + cmatrix_length / 2 - pixel];
323 for(int i = 0; i < components; i++)
326 for(int j = 0; j < pixels; j++)
328 if((j >= pixel - cmatrix_length / 2) &&
329 (j <= pixel + cmatrix_length / 2))
331 sum += input[j * components + i] * cmatrix[i];
334 output[pixel * components + i] = sum / scale;
340 int cmatrix_middle = cmatrix_length / 2;
342 for(pixel = 0; pixel < cmatrix_middle; pixel++)
345 for(int j = cmatrix_middle - pixel; j < cmatrix_length;j++)
350 for(int i = 0; i < components; i++)
353 for(int j = cmatrix_middle - pixel; j < cmatrix_length; j++)
355 sum += input[(pixel + j - cmatrix_middle) * components + i] *
358 output[pixel * components + i] = sum / scale;
362 float *output_ptr = output + pixel * components;
363 for( ; pixel < pixels - cmatrix_middle; pixel++)
365 float *input_ptr = input + (pixel - cmatrix_middle) * components;
366 for(int i = 0; i < components; i++)
369 float *input_ptr2 = input_ptr;
370 for(int j = cmatrix_length; j > 0; j--)
372 sum += get_convolution(cmatrix,
375 input_ptr2 += components;
382 for( ; pixel < pixels; pixel++)
385 for(int j = 0; j < pixels - pixel + cmatrix_middle; j++)
390 for(int i = 0; i < components; i++)
393 for(int j = 0; j < pixels - pixel + cmatrix_middle; j++)
395 sum += input[(pixel + j - cmatrix_middle) * components + i] *
398 output[pixel * components + i] = sum / scale;
404 #define GET_ROW(type, components) \
406 type *in_row = (type*)src->get_rows()[row]; \
407 int pixels = src->get_w() * components; \
408 for(int i = 0; i < pixels; i++) \
410 dst[i] = in_row[i]; \
414 static void get_row(float *dst, VFrame *src, int row)
416 switch(src->get_color_model())
420 GET_ROW(unsigned char, 3);
427 GET_ROW(unsigned char, 4);
433 GET_ROW(uint16_t, 3);
435 case BC_YUVA16161616:
436 GET_ROW(uint16_t, 4);
441 static void get_column(float *dst, VFrame *src, int column)
443 int components = BC_CModels::components(src->get_color_model());
444 for(int i = 0; i < src->get_h(); i++)
446 float *input_pixel = (float*)src->get_rows()[i] + column * components;
447 memcpy(dst, input_pixel, sizeof(float) * components);
452 static void put_column(float *src, VFrame *dst, int column)
454 int components = BC_CModels::components(dst->get_color_model());
455 for(int i = 0; i < dst->get_h(); i++)
457 float *output_pixel = (float*)dst->get_rows()[i] + column * components;
458 memcpy(output_pixel, src, sizeof(float) * components);
463 void UnsharpUnit::process_package(LoadPackage *package)
465 UnsharpPackage *pkg = (UnsharpPackage*)package;
466 // int w = server->src->get_w();
467 // int h = server->src->get_h();
468 int color_model = server->src->get_color_model();
469 int components = BC_CModels::components(color_model);
471 int cmatrix_length = 0;
472 int padded_y1 = pkg->y1;
473 int padded_y2 = pkg->y2;
475 cmatrix_length = calculate_convolution_matrix(
476 plugin->config.radius,
480 if(padded_y2 < server->src->get_h())
482 padded_y2 += cmatrix_length / 2;
483 padded_y2 = MIN(server->src->get_h(), padded_y2);
487 padded_y1 -= cmatrix_length / 2;
488 padded_y1 = MAX(0, padded_y1);
491 int padded_rows = padded_y2 - padded_y1;
493 if(!temp || temp->get_h() != padded_rows)
502 temp->set_use_shm(0);
508 server->src->get_w(),
510 components == 3 ? BC_RGB_FLOAT : BC_RGBA_FLOAT,
514 float *temp_in = new float[MAX(temp->get_w(), padded_rows) * components];
515 float *temp_out = new float[MAX(temp->get_w(), padded_rows) * components];
518 for(int i = padded_y1; i < padded_y2; i++)
520 get_row(temp_in, server->src, i);
527 // printf("UnsharpUnit::process_package %d %p %p %p %d %d\n",
530 // temp->get_rows()[0],
533 // temp->get_bytes_per_line());
534 memcpy(temp->get_rows()[i - padded_y1],
536 temp->get_bytes_per_line());
539 //Now we're 100% floating point. Blur the columns
540 for(int i = 0; i < temp->get_w(); i++)
542 get_column(temp_in, temp, i);
549 put_column(temp_out, temp, i);
553 //printf("%f %f %d\n", plugin->config.radius,plugin->config.amount, plugin->config.threshold);
556 #define UNSHARPEN(type, components, max) \
558 float threshold = (float)plugin->config.threshold * max / 0xff; \
559 float amount = plugin->config.amount; \
561 for(int i = pkg->y1; i < pkg->y2; i++) \
563 float *blurry_row = (float*)temp->get_rows()[i - padded_y1]; \
564 type *orig_row = (type*)server->src->get_rows()[i]; \
565 for(int j = 0; j < server->src->get_w(); j++) \
567 for(int k = 0; k < components; k++) \
569 float diff = *orig_row - *blurry_row; \
570 if(fabsf(2 * diff) < threshold) \
572 float value = *orig_row + amount * diff; \
573 if(sizeof(type) == 4) \
574 *orig_row = (type)value; \
576 *orig_row = (type)CLIP(value, 0, max); \
584 // Apply unsharpening
589 UNSHARPEN(unsigned char, 3, 0xff);
593 UNSHARPEN(unsigned char, 4, 0xff);
596 UNSHARPEN(float, 3, 1.0);
599 UNSHARPEN(float, 4, 1.0);
602 UNSHARPEN(uint16_t, 3, 0xffff);
604 case BC_YUVA16161616:
605 UNSHARPEN(uint16_t, 4, 0xffff);
622 UnsharpEngine::UnsharpEngine(UnsharpMain *plugin,
627 total_clients, total_packages
630 this->plugin = plugin;
633 UnsharpEngine::~UnsharpEngine()
638 void UnsharpEngine::init_packages()
640 for(int i = 0; i < get_total_packages(); i++)
642 UnsharpPackage *pkg = (UnsharpPackage*)get_package(i);
643 pkg->y1 = src->get_h() * i / get_total_packages();
644 pkg->y2 = src->get_h() * (i + 1) / get_total_packages();
648 LoadClient* UnsharpEngine::new_client()
650 return new UnsharpUnit(this, plugin);
653 LoadPackage* UnsharpEngine::new_package()
655 return new UnsharpPackage;
659 void UnsharpEngine::do_unsharp(VFrame *src)