4 * Copyright (C) 2008-2012 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
27 #include "bcdisplayinfo.h"
28 #include "bcsignals.h"
32 #include "histogram.h"
33 #include "histogramconfig.h"
34 #include "histogramwindow.h"
37 #include "loadbalance.h"
38 #include "playback3d.h"
41 #include "workarounds.h"
43 #include "aggregated.h"
44 #include "../colorbalance/aggregated.h"
45 #include "../interpolate/aggregated.h"
46 #include "../gamma/aggregated.h"
49 class HistogramEngine;
50 class HistogramWindow;
56 REGISTER_PLUGIN(HistogramMain)
66 HistogramMain::HistogramMain(PluginServer *server)
67 : PluginVClient(server)
71 for(int i = 0; i < HISTOGRAM_MODES; i++)
75 preview_lookup[i] = 0;
78 mode = HISTOGRAM_VALUE;
87 HistogramMain::~HistogramMain()
90 for(int i = 0; i < HISTOGRAM_MODES;i++)
94 delete [] preview_lookup[i];
99 const char* HistogramMain::plugin_title() { return N_("Histogram"); }
100 int HistogramMain::is_realtime() { return 1; }
104 NEW_WINDOW_MACRO(HistogramMain, HistogramWindow)
106 LOAD_CONFIGURATION_MACRO(HistogramMain, HistogramConfig)
108 void HistogramMain::render_gui(void *data)
112 // Process just the RGB values to determine the automatic points or
113 // all the points if manual
114 if(!config.automatic)
116 // Generate curves for value histogram
117 // Lock out changes to curves
118 ((HistogramWindow*)thread->window)->lock_window("HistogramMain::render_gui 1");
119 tabulate_curve(HISTOGRAM_RED, 0);
120 tabulate_curve(HISTOGRAM_GREEN, 0);
121 tabulate_curve(HISTOGRAM_BLUE, 0);
122 ((HistogramWindow*)thread->window)->unlock_window();
125 calculate_histogram((VFrame*)data, !config.automatic);
130 calculate_automatic((VFrame*)data);
132 // Generate curves for value histogram
133 // Lock out changes to curves
134 ((HistogramWindow*)thread->window)->lock_window("HistogramMain::render_gui 1");
135 tabulate_curve(HISTOGRAM_RED, 0);
136 tabulate_curve(HISTOGRAM_GREEN, 0);
137 tabulate_curve(HISTOGRAM_BLUE, 0);
138 ((HistogramWindow*)thread->window)->unlock_window();
141 // Need a second pass to get the luminance values.
142 calculate_histogram((VFrame*)data, 1);
145 ((HistogramWindow*)thread->window)->lock_window("HistogramMain::render_gui 2");
146 // Always draw the histogram but don't update widgets if automatic
147 ((HistogramWindow*)thread->window)->update(1,
148 config.automatic && mode != HISTOGRAM_VALUE,
149 config.automatic && mode != HISTOGRAM_VALUE,
152 ((HistogramWindow*)thread->window)->unlock_window();
156 void HistogramMain::update_gui()
160 ((HistogramWindow*)thread->window)->lock_window("HistogramMain::update_gui");
161 int reconfigure = load_configuration();
164 ((HistogramWindow*)thread->window)->update(1,
169 ((HistogramWindow*)thread->window)->unlock_window();
176 void HistogramMain::save_data(KeyFrame *keyframe)
180 // cause data to be stored directly in text
181 output.set_shared_output(keyframe->xbuf);
182 output.tag.set_title("HISTOGRAM");
184 char string[BCTEXTLEN];
186 output.tag.set_property("AUTOMATIC", config.automatic);
187 output.tag.set_property("THRESHOLD", config.threshold);
188 output.tag.set_property("PLOT", config.plot);
189 output.tag.set_property("SPLIT", config.split);
190 output.tag.set_property("W", w);
191 output.tag.set_property("H", h);
192 output.tag.set_property("PARADE", parade);
193 output.tag.set_property("MODE", mode);
195 for(int i = 0; i < HISTOGRAM_MODES; i++)
197 sprintf(string, "LOW_OUTPUT_%d", i);
198 output.tag.set_property(string, config.low_output[i]);
199 sprintf(string, "HIGH_OUTPUT_%d", i);
200 output.tag.set_property(string, config.high_output[i]);
201 sprintf(string, "LOW_INPUT_%d", i);
202 output.tag.set_property(string, config.low_input[i]);
203 sprintf(string, "HIGH_INPUT_%d", i);
204 output.tag.set_property(string, config.high_input[i]);
205 sprintf(string, "GAMMA_%d", i);
206 output.tag.set_property(string, config.gamma[i]);
207 //printf("HistogramMain::save_data %d %f %d\n", config.input_min[i], config.input_mid[i], config.input_max[i]);
211 output.tag.set_title("/HISTOGRAM");
213 output.append_newline();
214 output.terminate_string();
217 void HistogramMain::read_data(KeyFrame *keyframe)
221 input.set_shared_input(keyframe->xbuf);
228 result = input.read_tag();
232 if(input.tag.title_is("HISTOGRAM"))
234 config.automatic = input.tag.get_property("AUTOMATIC", config.automatic);
235 config.threshold = input.tag.get_property("THRESHOLD", config.threshold);
236 config.plot = input.tag.get_property("PLOT", config.plot);
237 config.split = input.tag.get_property("SPLIT", config.split);
241 w = input.tag.get_property("W", w);
242 h = input.tag.get_property("H", h);
243 parade = input.tag.get_property("PARADE", parade);
244 mode = input.tag.get_property("MODE", mode);
247 char string[BCTEXTLEN];
248 for(int i = 0; i < HISTOGRAM_MODES; i++)
250 sprintf(string, "LOW_OUTPUT_%d", i);
251 config.low_output[i] = input.tag.get_property(string, config.low_output[i]);
252 sprintf(string, "HIGH_OUTPUT_%d", i);
253 config.high_output[i] = input.tag.get_property(string, config.high_output[i]);
254 sprintf(string, "GAMMA_%d", i);
255 config.gamma[i] = input.tag.get_property(string, config.gamma[i]);
257 if(i == HISTOGRAM_VALUE || !config.automatic)
259 sprintf(string, "LOW_INPUT_%d", i);
260 config.low_input[i] = input.tag.get_property(string, config.low_input[i]);
261 sprintf(string, "HIGH_INPUT_%d", i);
262 config.high_input[i] = input.tag.get_property(string, config.high_input[i]);
264 //printf("HistogramMain::read_data %d %f %d\n", config.input_min[i], config.input_mid[i], config.input_max[i]);
274 float HistogramMain::calculate_level(float input,
280 // Scale to input range
281 if(!EQUIV(config.high_input[mode], config.low_input[mode]))
283 output = (input - config.low_input[mode]) /
284 (config.high_input[mode] - config.low_input[mode]);
293 if(!EQUIV(config.gamma[mode], 0))
295 output = pow(output, 1.0 / config.gamma[mode]);
296 CLAMP(output, 0, 1.0);
300 if(use_value && mode != HISTOGRAM_VALUE)
302 output = calculate_level(output, HISTOGRAM_VALUE, 0);
308 // scale to output range
309 if(!EQUIV(config.low_output[mode], config.high_output[mode]))
311 output = output * (config.high_output[mode] - config.low_output[mode]) +
312 config.low_output[mode];
315 CLAMP(output, 0, 1.0);
322 void HistogramMain::calculate_histogram(VFrame *data, int do_value)
326 int cpus = data->get_w() * data->get_h() / 0x80000 + 2;
327 int smps = get_project_smp();
328 if( cpus > smps ) cpus = smps;
329 engine = new HistogramEngine(this, cpus, cpus);
333 for(int i = 0; i < HISTOGRAM_MODES; i++)
334 accum[i] = new int[HISTOGRAM_SLOTS];
337 engine->process_packages(HistogramEngine::HISTOGRAM, data, do_value);
339 for(int i = 0; i < engine->get_total_clients(); i++)
341 HistogramUnit *unit = (HistogramUnit*)engine->get_client(i);
345 for(int j = 0; j < HISTOGRAM_MODES; j++)
347 memcpy(accum[j], unit->accum[j], sizeof(int) * HISTOGRAM_SLOTS);
352 for(int j = 0; j < HISTOGRAM_MODES; j++)
355 int *in = unit->accum[j];
356 for(int k = 0; k < HISTOGRAM_SLOTS; k++)
362 // Remove top and bottom from calculations. Doesn't work in high
363 // precision colormodels.
364 for(int i = 0; i < HISTOGRAM_MODES; i++)
367 accum[i][HISTOGRAM_SLOTS - 1] = 0;
372 void HistogramMain::calculate_automatic(VFrame *data)
374 calculate_histogram(data, 0);
375 config.reset_points(1);
378 for(int i = 0; i < 3; i++)
380 int *accum = this->accum[i];
381 int pixels = data->get_w() * data->get_h();
382 float white_fraction = 1.0 - (1.0 - config.threshold) / 2;
383 int threshold = (int)(white_fraction * pixels);
385 float max_level = 1.0;
386 float min_level = 0.0;
388 // Get histogram slot above threshold of pixels
389 for(int j = 0; j < HISTOGRAM_SLOTS; j++)
392 if(total >= threshold)
394 max_level = (float)j / HISTOGRAM_SLOTS * FLOAT_RANGE + HIST_MIN_INPUT;
399 // Get slot below 99% of pixels
401 for(int j = HISTOGRAM_SLOTS - 1; j >= 0; j--)
404 if(total >= threshold)
406 min_level = (float)j / HISTOGRAM_SLOTS * FLOAT_RANGE + HIST_MIN_INPUT;
412 config.low_input[i] = min_level;
413 config.high_input[i] = max_level;
421 int HistogramMain::calculate_use_opengl()
423 // glHistogram doesn't work.
424 int result = get_use_opengl() &&
426 (!config.plot || !gui_open());
431 int HistogramMain::process_buffer(VFrame *frame,
432 int64_t start_position,
435 int need_reconfigure = load_configuration();
439 int use_opengl = calculate_use_opengl();
441 //printf("%d\n", use_opengl);
448 // Apply histogram in hardware
449 if(use_opengl) return run_opengl();
452 this->output = frame;
455 int cpus = input->get_w() * input->get_h() / 0x80000 + 2;
456 int smps = get_project_smp();
457 if( cpus > smps ) cpus = smps;
458 engine = new HistogramEngine(this, cpus, cpus);
460 // Always plot to set the curves if automatic
461 if(config.plot || config.automatic) send_render_gui(frame);
463 // Generate tables here. The same table is used by many packages to render
464 // each horizontal stripe. Need to cover the entire output range in each
465 // table to avoid green borders
468 if(need_reconfigure ||
472 // Calculate new curves
475 calculate_automatic(input);
479 // Generate transfer tables with value function for integer colormodels.
480 for(int i = 0; i < 3; i++)
481 tabulate_curve(i, 1);
484 // printf("HistogramMain::process_buffer %d %f %f %f %f %f %f %f %f %f\n",
486 // config.low_input[HISTOGRAM_RED],
487 // config.gamma[HISTOGRAM_RED],
488 // config.high_input[HISTOGRAM_RED],
489 // config.low_input[HISTOGRAM_GREEN],
490 // config.gamma[HISTOGRAM_GREEN],
491 // config.high_input[HISTOGRAM_GREEN],
492 // config.low_input[HISTOGRAM_BLUE],
493 // config.gamma[HISTOGRAM_BLUE],
494 // config.high_input[HISTOGRAM_BLUE]);
499 engine->process_packages(HistogramEngine::APPLY, input, 0);
505 void HistogramMain::tabulate_curve(int subscript, int use_value)
508 if(!lookup[subscript])
509 lookup[subscript] = new int[HISTOGRAM_SLOTS];
510 if(!preview_lookup[subscript])
511 preview_lookup[subscript] = new int[HISTOGRAM_SLOTS];
513 //printf("HistogramMain::tabulate_curve %d input=%p\n", __LINE__, input);
516 // Generate lookup tables for integer colormodels
519 switch(input->get_color_model())
523 for(i = 0; i < 0x100; i++)
525 lookup[subscript][i] =
526 (int)(calculate_level((float)i / 0xff, subscript, use_value) *
528 CLAMP(lookup[subscript][i], 0, 0xff);
531 // All other integer colormodels are converted to 16 bit RGB
533 for(i = 0; i < 0x10000; i++)
535 lookup[subscript][i] =
536 (int)(calculate_level((float)i / 0xffff, subscript, use_value) *
538 CLAMP(lookup[subscript][i], 0, 0xffff);
540 // for(i = 0; i < 0x100; i++)
542 // if(subscript == HISTOGRAM_BLUE) printf("%d ", lookup[subscript][i * 0x100]);
544 // if(subscript == HISTOGRAM_BLUE) printf("\n");
550 // Lookup table for preview only used for GUI
553 for(i = 0; i < 0x10000; i++)
555 preview_lookup[subscript][i] =
556 (int)(calculate_level((float)i / 0xffff, subscript, use_value) *
558 CLAMP(preview_lookup[subscript][i], 0, 0xffff);
563 int HistogramMain::handle_opengl()
566 // Functions to get pixel from either previous effect or texture
567 static const char *histogram_get_pixel1 =
568 "vec4 histogram_get_pixel()\n"
570 " return gl_FragColor;\n"
573 static const char *histogram_get_pixel2 =
574 "uniform sampler2D tex;\n"
575 "vec4 histogram_get_pixel()\n"
577 " return texture2D(tex, gl_TexCoord[0].st);\n"
580 static const char *head_frag =
581 "uniform vec4 low_input;\n"
582 "uniform vec4 high_input;\n"
583 "uniform vec4 gamma;\n"
584 "uniform vec4 low_output;\n"
585 "uniform vec4 output_scale;\n"
588 " float temp = 0.0;\n";
590 static const char *get_rgb_frag =
591 " vec4 pixel = histogram_get_pixel();\n";
593 static const char *get_yuv_frag =
594 " vec4 pixel = histogram_get_pixel();\n"
595 YUV_TO_RGB_FRAG("pixel");
597 #define APPLY_INPUT_CURVE(PIXEL, LOW_INPUT, HIGH_INPUT, GAMMA) \
598 "// apply input curve\n" \
599 " temp = (" PIXEL " - " LOW_INPUT ") / \n" \
600 " (" HIGH_INPUT " - " LOW_INPUT ");\n" \
601 " temp = max(temp, 0.0);\n" \
602 " " PIXEL " = pow(temp, 1.0 / " GAMMA ");\n"
606 static const char *apply_histogram_frag =
607 APPLY_INPUT_CURVE("pixel.r", "low_input.r", "high_input.r", "gamma.r")
608 APPLY_INPUT_CURVE("pixel.g", "low_input.g", "high_input.g", "gamma.g")
609 APPLY_INPUT_CURVE("pixel.b", "low_input.b", "high_input.b", "gamma.b")
610 "// apply output curve\n"
611 " pixel.rgb *= output_scale.rgb;\n"
612 " pixel.rgb += low_output.rgb;\n"
613 APPLY_INPUT_CURVE("pixel.r", "low_input.a", "high_input.a", "gamma.a")
614 APPLY_INPUT_CURVE("pixel.g", "low_input.a", "high_input.a", "gamma.a")
615 APPLY_INPUT_CURVE("pixel.b", "low_input.a", "high_input.a", "gamma.a")
616 "// apply output curve\n"
617 " pixel.rgb *= vec3(output_scale.a, output_scale.a, output_scale.a);\n"
618 " pixel.rgb += vec3(low_output.a, low_output.a, low_output.a);\n";
620 static const char *put_rgb_frag =
621 " gl_FragColor = pixel;\n"
624 static const char *put_yuv_frag =
625 RGB_TO_YUV_FRAG("pixel")
626 " gl_FragColor = pixel;\n"
631 get_output()->to_texture();
632 get_output()->enable_opengl();
634 const char *shader_stack[16];
635 memset(shader_stack,0, sizeof(shader_stack));
636 int current_shader = 0;
638 int need_color_matrix = BC_CModels::is_yuv(get_output()->get_color_model()) ? 1 : 0;
639 if( need_color_matrix )
640 shader_stack[current_shader++] = bc_gl_colors;
642 int aggregate_interpolation = 0;
643 int aggregate_gamma = 0;
644 int aggregate_colorbalance = 0;
645 // All aggregation possibilities must be accounted for because unsupported
646 // effects can get in between the aggregation members.
647 if(!strcmp(get_output()->get_prev_effect(2), _("Interpolate Pixels")) &&
648 !strcmp(get_output()->get_prev_effect(1), _("Gamma")) &&
649 !strcmp(get_output()->get_prev_effect(0), _("Color Balance")))
651 aggregate_interpolation = 1;
653 aggregate_colorbalance = 1;
656 if(!strcmp(get_output()->get_prev_effect(1), _("Gamma")) &&
657 !strcmp(get_output()->get_prev_effect(0), _("Color Balance")))
660 aggregate_colorbalance = 1;
663 if(!strcmp(get_output()->get_prev_effect(1), _("Interpolate Pixels")) &&
664 !strcmp(get_output()->get_prev_effect(0), _("Gamma")))
666 aggregate_interpolation = 1;
670 if(!strcmp(get_output()->get_prev_effect(1), _("Interpolate Pixels")) &&
671 !strcmp(get_output()->get_prev_effect(0), _("Color Balance")))
673 aggregate_interpolation = 1;
674 aggregate_colorbalance = 1;
677 if(!strcmp(get_output()->get_prev_effect(0), _("Interpolate Pixels")))
678 aggregate_interpolation = 1;
680 if(!strcmp(get_output()->get_prev_effect(0), _("Gamma")))
683 if(!strcmp(get_output()->get_prev_effect(0), _("Color Balance")))
684 aggregate_colorbalance = 1;
686 // The order of processing is fixed by this sequence
687 if(aggregate_interpolation)
688 INTERPOLATE_COMPILE(shader_stack, current_shader);
691 GAMMA_COMPILE(shader_stack, current_shader,
692 aggregate_interpolation);
694 if(aggregate_colorbalance)
695 COLORBALANCE_COMPILE(shader_stack, current_shader,
696 aggregate_interpolation || aggregate_gamma);
698 shader_stack[current_shader++] =
699 aggregate_interpolation || aggregate_gamma || aggregate_colorbalance ?
700 histogram_get_pixel1 : histogram_get_pixel2;
702 shader_stack[current_shader++] = head_frag;
703 shader_stack[current_shader++] = BC_CModels::is_yuv(get_output()->get_color_model()) ?
704 get_yuv_frag : get_rgb_frag;
705 shader_stack[current_shader++] = apply_histogram_frag;
706 shader_stack[current_shader++] = BC_CModels::is_yuv(get_output()->get_color_model()) ?
707 put_yuv_frag : put_rgb_frag;
709 shader_stack[current_shader] = 0;
710 unsigned int shader = VFrame::make_shader(shader_stack);
712 // printf("HistogramMain::handle_opengl %d %d %d %d shader=%d\n",
713 // aggregate_interpolation,
715 // aggregate_colorbalance,
723 float output_scale[4];
726 // printf("min x min y max x max y\n");
727 // printf("%f %f %f %f\n", input_min_r[0], input_min_r[1], input_max_r[0], input_max_r[1]);
728 // printf("%f %f %f %f\n", input_min_g[0], input_min_g[1], input_max_g[0], input_max_g[1]);
729 // printf("%f %f %f %f\n", input_min_b[0], input_min_b[1], input_max_b[0], input_max_b[1]);
730 // printf("%f %f %f %f\n", input_min_v[0], input_min_v[1], input_max_v[0], input_max_v[1]);
732 for(int i = 0; i < HISTOGRAM_MODES; i++)
734 low_input[i] = config.low_input[i];
735 high_input[i] = config.high_input[i];
736 gamma[i] = config.gamma[i];
737 low_output[i] = config.low_output[i];
738 output_scale[i] = config.high_output[i] - config.low_output[i];
743 glUseProgram(shader);
744 glUniform1i(glGetUniformLocation(shader, "tex"), 0);
745 if(aggregate_gamma) GAMMA_UNIFORMS(shader);
746 if(aggregate_interpolation) INTERPOLATE_UNIFORMS(shader);
747 if(aggregate_colorbalance) COLORBALANCE_UNIFORMS(shader);
748 glUniform4fv(glGetUniformLocation(shader, "low_input"), 1, low_input);
749 glUniform4fv(glGetUniformLocation(shader, "high_input"), 1, high_input);
750 glUniform4fv(glGetUniformLocation(shader, "gamma"), 1, gamma);
751 glUniform4fv(glGetUniformLocation(shader, "low_output"), 1, low_output);
752 glUniform4fv(glGetUniformLocation(shader, "output_scale"), 1, output_scale);
753 if( need_color_matrix ) BC_GL_COLORS(shader);
756 get_output()->init_screen();
757 get_output()->bind_texture(0);
761 // Draw the affected half
764 glBegin(GL_TRIANGLES);
765 glNormal3f(0, 0, 1.0);
767 glTexCoord2f(0.0 / get_output()->get_texture_w(),
768 0.0 / get_output()->get_texture_h());
769 glVertex3f(0.0, -(float)get_output()->get_h(), 0);
772 glTexCoord2f((float)get_output()->get_w() / get_output()->get_texture_w(),
773 (float)get_output()->get_h() / get_output()->get_texture_h());
774 glVertex3f((float)get_output()->get_w(), -0.0, 0);
776 glTexCoord2f(0.0 / get_output()->get_texture_w(),
777 (float)get_output()->get_h() / get_output()->get_texture_h());
778 glVertex3f(0.0, -0.0, 0);
785 get_output()->draw_texture();
790 // Draw the unaffected half
793 glBegin(GL_TRIANGLES);
794 glNormal3f(0, 0, 1.0);
797 glTexCoord2f(0.0 / get_output()->get_texture_w(),
798 0.0 / get_output()->get_texture_h());
799 glVertex3f(0.0, -(float)get_output()->get_h(), 0);
801 glTexCoord2f((float)get_output()->get_w() / get_output()->get_texture_w(),
802 0.0 / get_output()->get_texture_h());
803 glVertex3f((float)get_output()->get_w(),
804 -(float)get_output()->get_h(), 0);
806 glTexCoord2f((float)get_output()->get_w() / get_output()->get_texture_w(),
807 (float)get_output()->get_h() / get_output()->get_texture_h());
808 glVertex3f((float)get_output()->get_w(), -0.0, 0);
814 get_output()->set_opengl_state(VFrame::SCREEN);
830 HistogramPackage::HistogramPackage()
838 HistogramUnit::HistogramUnit(HistogramEngine *server,
839 HistogramMain *plugin)
842 this->plugin = plugin;
843 this->server = server;
844 for(int i = 0; i < HISTOGRAM_MODES; i++)
845 accum[i] = new int[HISTOGRAM_SLOTS];
848 HistogramUnit::~HistogramUnit()
850 for(int i = 0; i < HISTOGRAM_MODES; i++)
854 void HistogramUnit::process_package(LoadPackage *package)
856 HistogramPackage *pkg = (HistogramPackage*)package;
858 if(server->operation == HistogramEngine::HISTOGRAM)
860 int do_value = server->do_value;
863 #define HISTOGRAM_HEAD(type) \
865 for(int i = pkg->start; i < pkg->end; i++) \
867 type *row = (type*)data->get_rows()[i]; \
868 for(int j = 0; j < w; j++) \
871 #define HISTOGRAM_TAIL(components) \
872 /* Value takes the maximum of the output RGB values */ \
875 CLAMP(r, 0, HISTOGRAM_SLOTS - 1); \
876 CLAMP(g, 0, HISTOGRAM_SLOTS - 1); \
877 CLAMP(b, 0, HISTOGRAM_SLOTS - 1); \
878 r_out = lookup_r[r]; \
879 g_out = lookup_g[g]; \
880 b_out = lookup_b[b]; \
881 /* v = (r * 76 + g * 150 + b * 29) >> 8; */ \
882 v = MAX(r_out, g_out); \
884 v += -HISTOGRAM_MIN * 0xffff / 100; \
885 CLAMP(v, 0, HISTOGRAM_SLOTS - 1); \
889 r += -HISTOGRAM_MIN * 0xffff / 100; \
890 g += -HISTOGRAM_MIN * 0xffff / 100; \
891 b += -HISTOGRAM_MIN * 0xffff / 100; \
892 CLAMP(r, 0, HISTOGRAM_SLOTS - 1); \
893 CLAMP(g, 0, HISTOGRAM_SLOTS - 1); \
894 CLAMP(b, 0, HISTOGRAM_SLOTS - 1); \
906 VFrame *data = server->data;
907 int w = data->get_w();
908 //int h = data->get_h();
909 int *accum_r = accum[HISTOGRAM_RED];
910 int *accum_g = accum[HISTOGRAM_GREEN];
911 int *accum_b = accum[HISTOGRAM_BLUE];
912 int *accum_v = accum[HISTOGRAM_VALUE];
913 int32_t r, g, b, y, u, v;
914 int r_out, g_out, b_out;
915 int *lookup_r = plugin->preview_lookup[HISTOGRAM_RED];
916 int *lookup_g = plugin->preview_lookup[HISTOGRAM_GREEN];
917 int *lookup_b = plugin->preview_lookup[HISTOGRAM_BLUE];
919 switch(data->get_color_model())
922 HISTOGRAM_HEAD(unsigned char)
923 r = (row[0] << 8) | row[0];
924 g = (row[1] << 8) | row[1];
925 b = (row[2] << 8) | row[2];
929 HISTOGRAM_HEAD(float)
930 r = (int)(row[0] * 0xffff);
931 g = (int)(row[1] * 0xffff);
932 b = (int)(row[2] * 0xffff);
936 HISTOGRAM_HEAD(unsigned char)
937 y = (row[0] << 8) | row[0];
938 u = (row[1] << 8) | row[1];
939 v = (row[2] << 8) | row[2];
940 YUV::yuv.yuv_to_rgb_16(r, g, b, y, u, v);
944 HISTOGRAM_HEAD(unsigned char)
945 r = (row[0] << 8) | row[0];
946 g = (row[1] << 8) | row[1];
947 b = (row[2] << 8) | row[2];
951 HISTOGRAM_HEAD(float)
952 r = (int)(row[0] * 0xffff);
953 g = (int)(row[1] * 0xffff);
954 b = (int)(row[2] * 0xffff);
958 HISTOGRAM_HEAD(unsigned char)
959 y = (row[0] << 8) | row[0];
960 u = (row[1] << 8) | row[1];
961 v = (row[2] << 8) | row[2];
962 YUV::yuv.yuv_to_rgb_16(r, g, b, y, u, v);
966 HISTOGRAM_HEAD(uint16_t)
973 HISTOGRAM_HEAD(uint16_t)
977 YUV::yuv.yuv_to_rgb_16(r, g, b, y, u, v);
980 case BC_RGBA16161616:
981 HISTOGRAM_HEAD(uint16_t)
987 case BC_YUVA16161616:
988 HISTOGRAM_HEAD(uint16_t)
992 YUV::yuv.yuv_to_rgb_16(r, g, b, y, u, v);
998 if(server->operation == HistogramEngine::APPLY)
1003 #define PROCESS(type, components) \
1005 for(int i = pkg->start; i < pkg->end; i++) \
1007 type *row = (type*)input->get_rows()[i]; \
1008 for(int j = 0; j < w; j++) \
1010 if ( plugin->config.split && ((j + i * w / h) < w) ) \
1012 row[0] = lookup_r[row[0]]; \
1013 row[1] = lookup_g[row[1]]; \
1014 row[2] = lookup_b[row[2]]; \
1015 row += components; \
1020 #define PROCESS_YUV(type, components, max) \
1022 for(int i = pkg->start; i < pkg->end; i++) \
1024 type *row = (type*)input->get_rows()[i]; \
1025 for(int j = 0; j < w; j++) \
1027 if ( plugin->config.split && ((j + i * w / h) < w) ) \
1029 /* Convert to 16 bit RGB */ \
1032 y = (row[0] << 8) | row[0]; \
1033 u = (row[1] << 8) | row[1]; \
1034 v = (row[2] << 8) | row[2]; \
1043 YUV::yuv.yuv_to_rgb_16(r, g, b, y, u, v); \
1045 /* Look up in RGB domain */ \
1050 /* Convert to 16 bit YUV */ \
1051 YUV::yuv.rgb_to_yuv_16(r, g, b, y, u, v); \
1065 row += components; \
1070 #define PROCESS_FLOAT(components) \
1072 for(int i = pkg->start; i < pkg->end; i++) \
1074 float *row = (float*)input->get_rows()[i]; \
1075 for(int j = 0; j < w; j++) \
1077 if ( plugin->config.split && ((j + i * w / h) < w) ) \
1083 r = plugin->calculate_level(r, HISTOGRAM_RED, 1); \
1084 g = plugin->calculate_level(g, HISTOGRAM_GREEN, 1); \
1085 b = plugin->calculate_level(b, HISTOGRAM_BLUE, 1); \
1091 row += components; \
1097 VFrame *input = plugin->input;
1098 //VFrame *output = plugin->output;
1099 int w = input->get_w();
1100 int h = input->get_h();
1101 int *lookup_r = plugin->lookup[0];
1102 int *lookup_g = plugin->lookup[1];
1103 int *lookup_b = plugin->lookup[2];
1104 int r, g, b, y, u, v;
1105 switch(input->get_color_model())
1108 PROCESS(unsigned char, 3)
1114 PROCESS(unsigned char, 4)
1120 PROCESS(uint16_t, 3)
1122 case BC_RGBA16161616:
1123 PROCESS(uint16_t, 4)
1126 PROCESS_YUV(unsigned char, 3, 0xff)
1129 PROCESS_YUV(unsigned char, 4, 0xff)
1132 PROCESS_YUV(uint16_t, 3, 0xffff)
1134 case BC_YUVA16161616:
1135 PROCESS_YUV(uint16_t, 4, 0xffff)
1146 HistogramEngine::HistogramEngine(HistogramMain *plugin,
1149 : LoadServer(total_clients, total_packages)
1151 this->plugin = plugin;
1154 void HistogramEngine::init_packages()
1159 total_size = data->get_h();
1162 total_size = data->get_h();
1167 //int package_size = (int)((float)total_size / get_total_packages() + 1);
1170 for(int i = 0; i < get_total_packages(); i++)
1172 HistogramPackage *package = (HistogramPackage*)get_package(i);
1173 package->start = total_size * i / get_total_packages();
1174 package->end = total_size * (i + 1) / get_total_packages();
1177 // Initialize clients here in case some don't get run.
1178 for(int i = 0; i < get_total_clients(); i++)
1180 HistogramUnit *unit = (HistogramUnit*)get_client(i);
1181 for(int i = 0; i < HISTOGRAM_MODES; i++)
1182 bzero(unit->accum[i], sizeof(int) * HISTOGRAM_SLOTS);
1187 LoadClient* HistogramEngine::new_client()
1189 return new HistogramUnit(this, plugin);
1192 LoadPackage* HistogramEngine::new_package()
1194 return new HistogramPackage;
1197 void HistogramEngine::process_packages(int operation, VFrame *data, int do_value)
1200 this->operation = operation;
1201 this->do_value = do_value;
1202 LoadServer::process_packages();