4 * Copyright (C) 1997-2014 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 // Originally developed by Heroine Virtual Ltd.
23 // Support for multiple encodings, outline (stroke) by
24 // Andraz Tori <Andraz.tori1@guest.arnes.si>
25 // Additional support for UTF-8 by
26 // Paolo Rampino aka Akirad <info at tuttoainternet.it>
30 #include "bccmodels.h"
31 #include "bcsignals.h"
36 #include "edlsession.h"
39 #include "filesystem.h"
40 #include "indexable.h"
47 #include "mwindow.inc"
48 #include "overlayframe.h"
49 #include "renderengine.h"
51 #include "titlerwindow.h"
52 #include "transportque.h"
65 #include <fontconfig/fontconfig.h>
67 #define SMALL (1.0 / 64.0)
69 #define MAX_FLT 3.40282347e+38
70 #define MIN_FLT -3.40282347e+38
72 REGISTER_PLUGIN(TitleMain)
74 #ifdef X_HAVE_UTF8_STRING
75 #define DEFAULT_ENCODING "UTF-8"
77 #define DEFAULT_ENCODING "ISO8859-1"
79 #define DEFAULT_TIMECODEFORMAT TIME_HMS
81 TitleConfig::TitleConfig()
88 motion_strategy = NO_MOTION;
91 hjustification = JUSTIFY_CENTER;
92 vjustification = JUSTIFY_MID;
95 title_x = title_y = 0.0;
96 title_w = title_h = 0;
98 strcpy(font, "fixed");
99 strcpy(encoding, DEFAULT_ENCODING);
100 timecode_format = DEFAULT_TIMECODEFORMAT;
101 pixels_per_second = 1.0;
104 wtext[0] = 0; wlen = 0;
105 color_stroke = 0xff0000;
106 outline_color = WHITE;
108 strcpy(background_path, "");
113 next_keyframe_position = 0;
114 prev_keyframe_position = 0;
119 TitleConfig::~TitleConfig()
123 int TitleConfig::equivalent(TitleConfig &that)
125 return !strcasecmp(font, that.font) &&
126 style == that.style &&
128 color == that.color &&
129 color_stroke == that.color_stroke &&
130 stroke_width == that.stroke_width &&
131 outline_color == that.outline_color &&
132 alpha == that.alpha &&
133 outline_alpha == that.outline_alpha &&
134 EQUIV(pixels_per_second, that.pixels_per_second) &&
135 motion_strategy == that.motion_strategy &&
137 line_pitch == that.line_pitch &&
138 hjustification == that.hjustification &&
139 vjustification == that.vjustification &&
140 fade_in == that.fade_in && fade_out == that.fade_out &&
141 title_x == that.title_x && title_y == that.title_y &&
142 title_w == that.title_w && title_h == that.title_h &&
143 dropshadow == that.dropshadow &&
144 timecode == that.timecode &&
145 timecode_format == that.timecode_format &&
146 outline_size == that.outline_size &&
147 !strcasecmp(encoding, that.encoding) &&
149 !memcmp(wtext, that.wtext, wlen * sizeof(wchar_t));
152 void TitleConfig::copy_from(TitleConfig &that)
154 strcpy(font, that.font);
158 color_stroke = that.color_stroke;
159 stroke_width = that.stroke_width;
160 outline_color = that.outline_color;
162 outline_alpha = that.outline_alpha;
163 pixels_per_second = that.pixels_per_second;
164 motion_strategy = that.motion_strategy;
166 line_pitch = that.line_pitch;
167 hjustification = that.hjustification;
168 vjustification = that.vjustification;
169 fade_in = that.fade_in;
170 fade_out = that.fade_out;
171 title_x = that.title_x;
172 title_y = that.title_y;
173 title_w = that.title_w;
174 title_h = that.title_h;
175 dropshadow = that.dropshadow;
176 timecode = that.timecode;
177 timecode_format = that.timecode_format;
178 outline_size = that.outline_size;
179 strcpy(encoding, that.encoding);
180 memcpy(wtext, that.wtext, that.wlen * sizeof(wchar_t));
182 window_w = that.window_w;
183 window_h = that.window_h;
186 void TitleConfig::interpolate(TitleConfig &prev, TitleConfig &next,
187 int64_t prev_frame, int64_t next_frame, int64_t current_frame)
189 strcpy(font, prev.font);
190 strcpy(encoding, prev.encoding);
194 color_stroke = prev.color_stroke;
195 stroke_width = prev.stroke_width;
196 outline_color = prev.outline_color;
198 outline_alpha = prev.outline_alpha;
199 motion_strategy = prev.motion_strategy;
201 line_pitch = prev.line_pitch;
202 hjustification = prev.hjustification;
203 vjustification = prev.vjustification;
204 fade_in = prev.fade_in;
205 fade_out = prev.fade_out;
206 outline_size = prev.outline_size;
207 pixels_per_second = prev.pixels_per_second;
208 memcpy(wtext, prev.wtext, prev.wlen * sizeof(wchar_t));
212 double next_scale = (double)(current_frame - prev_frame) / (next_frame - prev_frame);
213 double prev_scale = (double)(next_frame - current_frame) / (next_frame - prev_frame);
214 this->title_x = prev.title_x * prev_scale + next.title_x * next_scale;
215 this->title_y = prev.title_y * prev_scale + next.title_y * next_scale;
216 // this->title_x = prev.title_x;
217 // this->title_y = prev.title_y;
218 timecode = prev.timecode;
219 timecode_format = prev.timecode_format;
220 this->dropshadow = prev.dropshadow * prev_scale + next.dropshadow * next_scale;
221 // this->dropshadow = prev.dropshadow;
224 void TitleConfig::to_wtext(const char *from_enc, const char *text, int tlen)
226 wlen = BC_Resources::encode(from_enc, BC_Resources::wide_encoding,
227 (char*)text,tlen, (char *)wtext,sizeof(wtext)) / sizeof(wchar_t);
228 while( wlen > 0 && !wtext[wlen-1] ) --wlen;
232 TitleGlyph::TitleGlyph()
251 TitleGlyph::~TitleGlyph()
253 //printf("TitleGlyph::~TitleGlyph 1\n");
254 if( data ) delete data;
255 if( data_stroke ) delete data_stroke;
259 GlyphPackage::GlyphPackage() : LoadPackage()
264 GlyphUnit::GlyphUnit(TitleMain *plugin, GlyphEngine *server)
267 this->plugin = plugin;
268 freetype_library = 0;
272 GlyphUnit::~GlyphUnit()
274 if( freetype_library )
275 FT_Done_FreeType(freetype_library);
278 void GlyphUnit::process_package(LoadPackage *package)
280 GlyphPackage *pkg = (GlyphPackage*)package;
281 TitleGlyph *glyph = pkg->glyph;
283 char new_path[BCTEXTLEN];
284 if( plugin->load_freetype_face(freetype_library, freetype_face, glyph->font->path) ) {
285 printf(_("GlyphUnit::process_package FT_New_Face failed, path=%s\n"),
291 int gindex = FT_Get_Char_Index(freetype_face, glyph->char_code);
293 //printf("GlyphUnit::process_package 1 %c\n", glyph->char_code);
296 BC_Resources *resources = BC_WindowBase::get_resources();
297 // Search replacement font
298 if( resources->find_font_by_char(glyph->char_code, new_path, freetype_face) ) {
299 plugin->load_freetype_face(freetype_library,
300 freetype_face, new_path);
301 gindex = FT_Get_Char_Index(freetype_face, glyph->char_code);
304 FT_Set_Pixel_Sizes(freetype_face, glyph->size, 0);
308 if( glyph->char_code != 10 )
309 printf(_("GlyphUnit::process_package FT_Load_Char failed - char: %li.\n"),
311 // Prevent a crash here
312 glyph->width = 8; glyph->height = 8;
313 glyph->pitch = 8; glyph->advance_x = 8;
314 glyph->left = 9; glyph->top = 9;
315 glyph->right = 0; glyph->bottom = 0;
316 glyph->freetype_index = 0;
317 glyph->data = new VFrame(glyph->width, glyph->height, BC_A8, glyph->pitch);
318 glyph->data->clear_frame();
319 glyph->data_stroke = 0;
321 // create outline glyph
322 if( plugin->config.stroke_width >= SMALL &&
323 (plugin->config.style & BC_FONT_OUTLINE) ) {
324 glyph->data_stroke = new VFrame(glyph->width, glyph->height, BC_A8, glyph->pitch);
325 glyph->data_stroke->clear_frame();
328 // char found and no outline desired
329 else if( plugin->config.stroke_width < SMALL ||
330 !(plugin->config.style & BC_FONT_OUTLINE) ) {
331 FT_Glyph glyph_image;
334 FT_Load_Glyph(freetype_face, gindex, FT_LOAD_DEFAULT);
335 FT_Get_Glyph(freetype_face->glyph, &glyph_image);
336 FT_Outline_Get_BBox(&((FT_OutlineGlyph) glyph_image)->outline, &bbox);
337 // printf("Stroke: Xmin: %ld, Xmax: %ld, Ymin: %ld, yMax: %ld\n",
338 // bbox.xMin,bbox.xMax, bbox.yMin, bbox.yMax);
340 glyph->width = bm.width = ((bbox.xMax - bbox.xMin + 63) >> 6);
341 glyph->height = bm.rows = ((bbox.yMax - bbox.yMin + 63) >> 6);
342 glyph->pitch = bm.pitch = bm.width;
343 bm.pixel_mode = FT_PIXEL_MODE_GRAY;
345 glyph->left = (bbox.xMin + 31) >> 6;
346 glyph->top = (bbox.yMax + 31) >> 6;
347 glyph->right = (bbox.xMax + 31) >> 6;
348 glyph->bottom = (bbox.yMin + 31) >> 6;
349 glyph->freetype_index = gindex;
350 glyph->advance_x = ((freetype_face->glyph->advance.x + 31) >> 6);
351 //printf("GlyphUnit::process_package 1 width=%d height=%d pitch=%d left=%d top=%d advance_x=%d freetype_index=%d\n",
352 //glyph->width, glyph->height, glyph->pitch, glyph->left, glyph->top, glyph->advance_x, glyph->freetype_index);
354 glyph->data = new VFrame(glyph->width, glyph->height, BC_A8, glyph->pitch);
355 glyph->data->clear_frame();
356 bm.buffer = glyph->data->get_data();
357 FT_Outline_Translate(&((FT_OutlineGlyph) glyph_image)->outline,
358 - bbox.xMin, - bbox.yMin);
359 FT_Outline_Get_Bitmap( freetype_library,
360 &((FT_OutlineGlyph) glyph_image)->outline,
362 FT_Done_Glyph(glyph_image);
365 // Outline desired and glyph found
366 FT_Glyph glyph_image;
371 FT_UInt npoints, ncontours;
373 FT_Load_Glyph(freetype_face, gindex, FT_LOAD_DEFAULT);
374 FT_Get_Glyph(freetype_face->glyph, &glyph_image);
376 // check if the outline is ok (non-empty);
377 FT_Outline_Get_BBox(&((FT_OutlineGlyph) glyph_image)->outline, &bbox);
378 if( bbox.xMin == 0 && bbox.xMax == 0 &&
379 bbox.yMin == 0 && bbox.yMax == 0 ) {
380 FT_Done_Glyph(glyph_image);
381 glyph->width = 0; glyph->height = 0;
382 glyph->left = 0; glyph->top = 0;
383 glyph->right = 0; glyph->bottom = 0;
386 new VFrame(glyph->width, glyph->height, BC_A8, glyph->pitch);
388 new VFrame(glyph->width, glyph->height, BC_A8, glyph->pitch);
389 glyph->advance_x =((int)(freetype_face->glyph->advance.x +
390 plugin->config.stroke_width * 64)) >> 6;
393 #if FREETYPE_MAJOR > 2 || (FREETYPE_MAJOR == 2 && FREETYPE_MINOR >= 2)
394 FT_Stroker_New(freetype_library, &stroker);
396 FT_Stroker_New(((FT_LibraryRec *)freetype_library)->memory, &stroker);
398 FT_Stroker_Set(stroker, (int)(plugin->config.stroke_width * 64),
399 FT_STROKER_LINECAP_ROUND, FT_STROKER_LINEJOIN_ROUND, 0);
400 FT_Stroker_ParseOutline(stroker, &((FT_OutlineGlyph) glyph_image)->outline,1);
401 FT_Stroker_GetCounts(stroker,&npoints, &ncontours);
402 if( npoints == 0 && ncontours == 0 ) {
403 // this never happens, but FreeType has a bug regarding Linotype's Palatino font
404 FT_Stroker_Done(stroker);
405 FT_Done_Glyph(glyph_image);
406 glyph->width = 0; glyph->height = 0;
407 glyph->left = 0; glyph->top = 0;
408 glyph->right = 0; glyph->bottom = 0;
411 new VFrame(glyph->width, glyph->height, BC_A8, glyph->pitch);
413 new VFrame(glyph->width, glyph->height, BC_A8, glyph->pitch);
414 glyph->advance_x =((int)(freetype_face->glyph->advance.x +
415 plugin->config.stroke_width * 64)) >> 6;
419 FT_Outline_New(freetype_library, npoints, ncontours, &outline);
421 outline.n_contours=0;
422 FT_Stroker_Export (stroker, &outline);
423 FT_Outline_Get_BBox(&outline, &bbox);
424 FT_Outline_Translate(&outline, - bbox.xMin, - bbox.yMin);
425 FT_Outline_Translate(&((FT_OutlineGlyph) glyph_image)->outline,
427 - bbox.yMin + (int)(plugin->config.stroke_width*32));
428 // printf("Stroke: Xmin: %ld, Xmax: %ld, Ymin: %ld, yMax: %ld\n"
429 // "Fill Xmin: %ld, Xmax: %ld, Ymin: %ld, yMax: %ld\n",
430 // bbox.xMin,bbox.xMax, bbox.yMin, bbox.yMax,
431 // bbox_fill.xMin,bbox_fill.xMax, bbox_fill.yMin, bbox_fill.yMax);
433 glyph->width = bm.width = ((bbox.xMax - bbox.xMin) >> 6)+1;
434 glyph->height = bm.rows = ((bbox.yMax - bbox.yMin) >> 6) +1;
435 glyph->pitch = bm.pitch = bm.width;
436 bm.pixel_mode = FT_PIXEL_MODE_GRAY;
438 glyph->left = (bbox.xMin + 31) >> 6;
439 glyph->top = (bbox.yMax + 31) >> 6;
440 glyph->right = (bbox.xMax + 31) >> 6;
441 glyph->bottom = (bbox.yMin + 31) >> 6;
442 glyph->freetype_index = gindex;
443 int real_advance = ((int)ceil((float)freetype_face->glyph->advance.x +
444 plugin->config.stroke_width * 64) >> 6);
445 glyph->advance_x = glyph->width + glyph->left;
446 if( real_advance > glyph->advance_x )
447 glyph->advance_x = real_advance;
448 //printf("GlyphUnit::process_package 1 width=%d height=%d "
449 // "pitch=%d left=%d top=%d advance_x=%d freetype_index=%d\n",
450 // glyph->width, glyph->height, glyph->pitch, glyph->left,
451 // glyph->top, glyph->advance_x, glyph->freetype_index);
454 //printf("GlyphUnit::process_package 1\n");
455 glyph->data = new VFrame(glyph->width, glyph->height, BC_A8, glyph->pitch);
456 glyph->data->clear_frame();
457 glyph->data_stroke = new VFrame(glyph->width, glyph->height, BC_A8, glyph->pitch);
458 glyph->data_stroke->clear_frame();
459 // for debugging memset( glyph->data_stroke->get_data(), 60, glyph->pitch * glyph->height);
460 bm.buffer=glyph->data->get_data();
461 FT_Outline_Get_Bitmap( freetype_library,
462 &((FT_OutlineGlyph) glyph_image)->outline,
464 bm.buffer=glyph->data_stroke->get_data();
465 FT_Outline_Get_Bitmap( freetype_library,
468 FT_Outline_Done(freetype_library,&outline);
469 FT_Stroker_Done(stroker);
470 FT_Done_Glyph(glyph_image);
472 //printf("GlyphUnit::process_package 2\n");
478 GlyphEngine::GlyphEngine(TitleMain *plugin, int cpus)
479 : LoadServer(cpus, cpus)
481 this->plugin = plugin;
484 void GlyphEngine::init_packages()
486 int current_package = 0;
487 for( int i=0; i<plugin->title_glyphs.count(); ++i ) {
488 if( !plugin->title_glyphs[i]->data ) {
489 GlyphPackage *pkg = (GlyphPackage*)get_package(current_package++);
490 pkg->glyph = plugin->title_glyphs[i];
495 LoadClient* GlyphEngine::new_client()
497 return new GlyphUnit(plugin, this);
500 LoadPackage* GlyphEngine::new_package()
502 return new GlyphPackage;
506 // Copy a single character to the text mask
507 TitlePackage::TitlePackage()
515 TitleUnit::TitleUnit(TitleMain *plugin, TitleEngine *server)
518 this->plugin = plugin;
519 this->engine = server;
523 static void get_mask_colors(int rgb, int color_model, int &rr, int &gg, int &bb)
525 int r = 0xff & (rgb>>16), g = 0xff & (rgb>>8), b = 0xff & (rgb>>0);
526 if( BC_CModels::is_yuv(color_model) ) bc_rgb2yuv(r,g,b, r,g,b);
527 rr = r; gg = g; bb = b;
530 void TitleUnit::draw_frame(int mode, VFrame *dst, VFrame *src, int x, int y)
532 int inp_w = src->get_w(), inp_h = src->get_h();
533 int out_w = dst->get_w(), out_h = dst->get_h();
534 unsigned char **inp_rows = src->get_rows();
535 unsigned char **out_rows = dst->get_rows();
537 int x_inp = 0, y_inp = 0;
539 if( x_out < 0 ) { x_inp = -x_out; x_out = 0; }
540 if( x_out+inp_w > out_w ) inp_w = out_w-x_out;
541 if( x_inp >= inp_w || x_out >= out_w ) return;
543 if( y_out < 0 ) { y_inp = -y_out; y_out = 0; }
544 if( y_out+inp_h > out_h ) inp_h = out_h-y_out;
545 if( y_inp >= inp_h || y_out >= out_h ) return;
546 int color = chr->color, max = 0xff;
547 int alpha = chr->alpha * chr->fade;
548 int ofs = BC_CModels::is_yuv(dst->get_color_model()) ? 0x80 : 0x00;
552 while( y_inp < inp_h && y_out < out_h ) {
553 uint8_t *inp = inp_rows[y_inp], *out = out_rows[y_out];
554 for( int xin=x_inp,xout=x_out*4+3; xin<inp_w; ++xin,xout+=4 ) {
555 out[xout] = inp[xin];
561 int r = 0, g = 0, b = 0;
562 get_mask_colors(color, plugin->text_model, r, g, b);
563 while( y_inp < inp_h && y_out < out_h ) {
564 uint8_t *inp = inp_rows[y_inp], *out = out_rows[y_out];
565 for( int xin=x_inp,xout=x_out*4+0; xin<inp_w; ++xin,xout+=4 ) {
566 int in_a = inp[xin], out_a = out[xout+3];
567 if( in_a + out_a == 0 ) continue;
568 int opacity = (in_a * alpha)/max, transp = out_a * (max - opacity)/max;
569 out[xout+0] = (opacity * r + transp * out[xout+0]) / max;
570 out[xout+1] = (opacity * (g-ofs) + transp * (out[xout+1]-ofs)) / max + ofs;
571 out[xout+2] = (opacity * (b-ofs) + transp * (out[xout+2]-ofs)) / max + ofs;
572 out[xout+3] = opacity + transp - (opacity * transp) / max;
578 while( y_inp < inp_h && y_out < out_h ) {
579 uint8_t *inp = inp_rows[y_inp], *out = out_rows[y_out];
580 for( int xin=x_inp,xout=x_out*4+0; xin<inp_w; ++xin,xout+=4 ) {
581 int xinp = xin*4, in_a = inp[xinp+3], out_a = out[xout+3];
582 if( in_a + out_a == 0 ) continue;
583 int opacity = (in_a * alpha)/max, transp = out_a * (max - opacity)/max;
584 out[xout+0] = (opacity * inp[xinp+0] + transp * out[xout+0]) / max;
585 out[xout+1] = (opacity * (inp[xinp+1]-ofs) + transp * (out[xout+1]-ofs)) / max + ofs;
586 out[xout+2] = (opacity * (inp[xinp+2]-ofs) + transp * (out[xout+2]-ofs)) / max + ofs;
587 out[xout+3] = opacity + transp - (opacity * transp) / max;
596 void TitleUnit::process_package(LoadPackage *package)
598 TitlePackage *pkg = (TitlePackage*)package;
599 int x = pkg->x, y = pkg->y;
603 VFrame *vframe = (VFrame *)chr->vp;
604 if( !vframe ) return;
605 draw_frame(DRAW_IMAGE, plugin->text_mask, vframe, x, y);
608 if( chr->wch == 0 || chr->wch == '\n') return;
609 TitleGlyph *glyph = (TitleGlyph *)chr->vp;
611 if( engine->do_dropshadow ) {
612 x += plugin->config.dropshadow;
613 y += plugin->config.dropshadow;
615 else if( plugin->config.dropshadow < 0 ) {
616 x -= plugin->config.dropshadow;
617 y -= plugin->config.dropshadow;
619 int mode = engine->do_dropshadow ? DRAW_ALPHA : DRAW_COLOR;
620 draw_frame(mode, plugin->text_mask, glyph->data, x, y);
621 if( plugin->config.stroke_width >= SMALL && (plugin->config.style & BC_FONT_OUTLINE) )
622 draw_frame(mode, plugin->stroke_mask, glyph->data_stroke, x, y);
627 TitleEngine::TitleEngine(TitleMain *plugin, int cpus)
628 : LoadServer(cpus, cpus)
630 this->plugin = plugin;
633 void TitleEngine::init_packages()
635 int current_package = 0;
636 for( int i=plugin->visible_char1; i<plugin->visible_char2; ++i ) {
637 TitlePackage *pkg = (TitlePackage*)get_package(current_package++);
638 TitleChar *chr = plugin->title_chars[i];
639 TitleRow *row = plugin->title_rows[chr->row];
641 pkg->x = row->x0 + chr->x - plugin->mask_x1;
642 pkg->y = row->y0 - chr->y - plugin->mask_y1;
643 //printf("draw '%c' at %d,%d\n",(int)pkg->chr->wch, pkg->x, pkg->y);
647 LoadClient* TitleEngine::new_client()
649 return new TitleUnit(plugin, this);
652 LoadPackage* TitleEngine::new_package()
654 return new TitlePackage;
657 void TitleTranslateUnit::translation_array_f(transfer_table_f* &table,
658 float in_x1, float in_x2, int in_total,
659 float out_x1, float out_x2, int out_total,
660 int &x1_out, int &x2_out)
663 //float offset = out_x1 - in_x1;
665 x1_out = (int)out_x1;
666 x2_out = MIN((int)ceil(out_x2), out_total);
667 if( x1_out >= x2_out ) return;
669 out_w = x2_out - x1_out;
670 table = new transfer_table_f[out_w];
671 bzero(table, sizeof(transfer_table_f) * out_w);
674 for( int out_x=x1_out; out_x<x2_out; ++out_x ) {
675 transfer_table_f *entry = &table[out_x - x1_out];
677 entry->in_x1 = (int)in_x;
678 entry->in_x2 = (int)in_x + 1;
680 // Get fraction of output pixel to fill
681 entry->output_fraction = 1;
683 if( out_x1 > out_x ) {
684 entry->output_fraction -= out_x1 - out_x;
687 if( out_x2 < out_x + 1 ) {
688 entry->output_fraction = (out_x2 - out_x);
691 // Advance in_x until out_x_fraction is filled
692 float out_x_fraction = entry->output_fraction;
693 float in_x_fraction = floor(in_x + 1) - in_x;
695 if( out_x_fraction <= in_x_fraction ) {
696 entry->in_fraction1 = out_x_fraction;
697 entry->in_fraction2 = 0.0;
698 in_x += out_x_fraction;
701 entry->in_fraction1 = in_x_fraction;
702 in_x += out_x_fraction;
703 entry->in_fraction2 = in_x - floor(in_x);
706 // Clip in_x and zero out fraction. This doesn't work for YUV.
707 if( entry->in_x2 >= in_total ) {
708 entry->in_x2 = in_total - 1;
709 entry->in_fraction2 = 0.0;
712 if( entry->in_x1 >= in_total ) {
713 entry->in_x1 = in_total - 1;
714 entry->in_fraction1 = 0.0;
721 // Copy a single character to the text mask
722 TitleOutlinePackage::TitleOutlinePackage()
728 TitleOutlineUnit::TitleOutlineUnit(TitleMain *plugin, TitleOutlineEngine *server)
731 this->plugin = plugin;
732 this->engine = server;
735 void TitleOutlineUnit::process_package(LoadPackage *package)
737 TitleOutlinePackage *pkg = (TitleOutlinePackage*)package;
738 int r = 0, g = 0, b = 0, outline_a = plugin->config.outline_alpha;
739 get_mask_colors(plugin->config.outline_color, plugin->mask_model, r, g, b);
741 unsigned char **outline_rows = plugin->outline_mask->get_rows();
742 unsigned char **text_rows = plugin->text_mask->get_rows();
743 int mask_w1 = plugin->text_mask->get_w()-1;
744 int mask_h1 = plugin->text_mask->get_h()-1;
745 int ofs = plugin->config.outline_size;
747 if( engine->pass == 0 ) {
748 // get max alpha under outline size macropixel
749 for( int y=pkg->y1, my=pkg->y2; y<my; ++y ) {
750 unsigned char *out_row = outline_rows[y];
751 int y1 = y - ofs, y2 = y + ofs;
752 CLAMP(y1, 0, mask_h1); CLAMP(y2, 0, mask_h1);
753 for( int x=0, mx=plugin->text_mask->get_w(); x<mx; ++x ) {
754 int x1 = x - ofs, x2 = x + ofs;
755 CLAMP(x1, 0, mask_w1); CLAMP(x2, 0, mask_w1);
757 for( int yy=y1; yy<=y2; ++yy ) {
758 unsigned char *text_row = text_rows[yy];
759 for( int xx = x1; xx <= x2; ++xx ) {
760 unsigned char *pixel = text_row + xx*4;
761 if( pixel[3] > max_a ) max_a = pixel[3];
764 unsigned char *out = out_row + x*4;
765 out[0] = r; out[1] = g; out[2] = b;
766 out[3] = (max_a * outline_a) / 0xff;
772 // Overlay text mask on top of outline mask
773 int ofs = BC_CModels::is_yuv(plugin->output->get_color_model()) ? 0x80 : 0;
774 for( int y=pkg->y1, my=pkg->y2; y<my; ++y ) {
775 unsigned char *outline_row = outline_rows[y];
776 unsigned char *text_row = text_rows[y];
777 for( int x=0, mx=plugin->text_mask->get_w(); x<mx; ++x ) {
778 unsigned char *out = text_row + x * 4;
779 unsigned char *inp = outline_row + x * 4;
780 int out_a = out[3], in_a = inp[3];
781 int transparency = in_a * (0xff - out_a) / 0xff;
782 out[0] = (out[0] * out_a + inp[0] * transparency) / 0xff;
783 out[1] = ((out[1]-ofs) * out_a + (inp[1]-ofs) * transparency) / 0xff + ofs;
784 out[2] = ((out[2]-ofs) * out_a + (inp[2]-ofs) * transparency) / 0xff + ofs;
785 out[3] = in_a + out_a - in_a*out_a / 0xff;
791 TitleOutlineEngine::TitleOutlineEngine(TitleMain *plugin, int cpus)
792 : LoadServer(cpus, cpus)
794 this->plugin = plugin;
797 void TitleOutlineEngine::init_packages()
799 int mask_h = plugin->text_mask->get_h();
800 if( !mask_h ) return;
801 int py1 = 0, py2 = 0;
802 int pkgs = get_total_packages();
803 for( int i=0; i<pkgs; py1=py2 ) {
804 TitleOutlinePackage *pkg = (TitleOutlinePackage*)get_package(i);
805 py2 = (++i * mask_h)/ pkgs;
806 pkg->y1 = py1; pkg->y2 = py2;
810 void TitleOutlineEngine::do_outline()
812 pass = 0; process_packages();
813 pass = 1; process_packages();
816 LoadClient* TitleOutlineEngine::new_client()
818 return new TitleOutlineUnit(plugin, this);
821 LoadPackage* TitleOutlineEngine::new_package()
823 return new TitleOutlinePackage;
828 TitleTranslatePackage::TitleTranslatePackage()
835 TitleTranslateUnit::TitleTranslateUnit(TitleMain *plugin, TitleTranslate *server)
838 this->plugin = plugin;
841 void TitleTranslate::run_packages()
843 // Generate scaling tables
844 delete [] x_table; x_table = 0;
845 delete [] y_table; y_table = 0;
847 float in_w = xlat_mask->get_w();
848 float in_h = xlat_mask->get_h();
849 float ix1 = 0, ix2 = ix1 + in_w;
850 float iy1 = 0, iy2 = iy1 + in_h;
852 float out_w = plugin->output->get_w();
853 float out_h = plugin->output->get_h();
854 float x1 = plugin->title_x, x2 = x1 + plugin->title_w;
855 float y1 = plugin->title_y, y2 = y1 + plugin->title_h;
856 bclamp(x1, 0, out_w); bclamp(y1, 0, out_h);
857 bclamp(x2, 0, out_w); bclamp(y2, 0, out_h);
859 float ox1 = plugin->title_x + plugin->text_x - plugin->text_x1 + plugin->mask_x1, ox2 = ox1 + in_w;
860 float oy1 = plugin->title_y + plugin->text_y - plugin->text_y1 + plugin->mask_y1, oy2 = oy1 + in_h;
861 if( ox1 < x1 ) { ix1 -= (ox1-x1); ox1 = x1; }
862 if( oy1 < y1 ) { iy1 -= (oy1-y1); oy1 = y1; }
863 if( ox2 > x2 ) { ix2 -= (ox2-x2); ox2 = x2; }
864 if( oy2 > y2 ) { iy2 -= (oy2-x2); oy2 = y2; }
866 printf("TitleTranslate text txy=%7.2f,%-7.2f\n"
867 " mxy1=%7d,%-7d mxy2=%7d,%-7d\n"
868 " xy1=%7.2f,%-7.2f xy2=%7.2f,%-7.2f\n"
869 " ixy1=%7.2f,%-7.2f ixy2=%7.2f,%-7.2f\n"
870 " oxy1=%7.2f,%-7.2f oxy2=%7.2f,%-7.2f\n",
871 plugin->text_x, plugin->text_y,
872 plugin->mask_x1, plugin->mask_y1, plugin->mask_x2, plugin->mask_y2,
873 x1,y1, x2,y2, ix1,iy1, ix2,iy2, ox1,oy1, ox2,oy2);
875 out_x1 = out_x2 = out_y1 = out_y2 = 0;
876 TitleTranslateUnit::translation_array_f(x_table,
877 ix1, ix2, in_w, ox1, ox2, out_w, out_x1, out_x2);
878 TitleTranslateUnit::translation_array_f(y_table,
879 iy1, iy2, in_h, oy1, oy2, out_h, out_y1, out_y2);
886 #define TRANSLATE(type, max, components, ofs) { \
887 unsigned char **in_rows = server->xlat_mask->get_rows(); \
888 type **out_rows = (type**)plugin->output->get_rows(); \
890 for( int y=pkg->y1; y<pkg->y2; ++y ) { \
891 int in_y1 = server->y_table[y].in_x1; \
892 int in_y2 = server->y_table[y].in_x2; \
893 float y_f1 = server->y_table[y].in_fraction1; \
894 float y_f2 = server->y_table[y].in_fraction2; \
895 unsigned char *in_row1 = in_rows[in_y1]; \
896 unsigned char *in_row2 = in_rows[in_y2]; \
897 type *out_row = out_rows[y + server->out_y1]; \
898 for( int i=0,x=server->out_x1; x<server->out_x2; ++i,++x ) { \
899 int in_x1 = 4*server->x_table[i].in_x1; \
900 int in_x2 = 4*server->x_table[i].in_x2; \
901 float x_f1 = server->x_table[i].in_fraction1; \
902 float x_f2 = server->x_table[i].in_fraction2; \
903 float f11 = x_f1 * y_f1 / (256.f-max); \
904 float f12 = x_f2 * y_f1 / (256.f-max); \
905 float f21 = x_f1 * y_f2 / (256.f-max); \
906 float f22 = x_f2 * y_f2 / (256.f-max); \
907 type input_r = (type)( \
908 in_row1[in_x1 + 0] * f11 + in_row1[in_x2 + 0] * f12 + \
909 in_row2[in_x1 + 0] * f21 + in_row2[in_x2 + 0] * f22 ); \
910 type input_g = (type)( \
911 in_row1[in_x1 + 1] * f11 + in_row1[in_x2 + 1] * f12 + \
912 in_row2[in_x1 + 1] * f21 + in_row2[in_x2 + 1] * f22 ); \
913 type input_b = (type)( \
914 in_row1[in_x1 + 2] * f11 + in_row1[in_x2 + 2] * f12 + \
915 in_row2[in_x1 + 2] * f21 + in_row2[in_x2 + 2] * f22 ); \
916 type input_a = (type)( \
917 in_row1[in_x1 + 3] * f11 + in_row1[in_x2 + 3] * f12 + \
918 in_row2[in_x1 + 3] * f21 + in_row2[in_x2 + 3] * f22 ); \
919 input_a = input_a * plugin->fade; \
920 if( components == 4 ) { \
921 type transparency = out_row[x * components + 3] * (max - input_a) / max; \
922 out_row[x * components + 0] = (input_r * input_a + \
923 out_row[x * components + 0] * transparency) / max; \
924 out_row[x * components + 1] = ((input_g-ofs) * input_a + \
925 (out_row[x * components + 1]-ofs) * transparency) / max + ofs; \
926 out_row[x * components + 2] = ((input_b-ofs) * input_a + \
927 (out_row[x * components + 2]-ofs) * transparency) / max + ofs; \
928 out_row[x * components + 3] = MAX(input_a, out_row[x * components + 3]); \
931 type transparency = max - input_a; \
932 out_row[x * components + 0] = (input_r * input_a + \
933 out_row[x * components + 0] * transparency) / max; \
934 out_row[x * components + 1] = ((input_g-ofs) * input_a + \
935 (out_row[x * components + 1]-ofs) * transparency) / max + ofs; \
936 out_row[x * components + 2] = ((input_b-ofs) * input_a + \
937 (out_row[x * components + 2]-ofs) * transparency) / max + ofs; \
944 void TitleTranslateUnit::process_package(LoadPackage *package)
946 TitleTranslatePackage *pkg = (TitleTranslatePackage*)package;
947 TitleTranslate *server = (TitleTranslate*)this->server;
949 switch( plugin->output->get_color_model() ) {
950 case BC_RGB888: TRANSLATE(unsigned char, 0xff, 3, 0); break;
951 case BC_RGB_FLOAT: TRANSLATE(float, 1.0, 3, 0); break;
952 case BC_YUV888: TRANSLATE(unsigned char, 0xff, 3, 0x80); break;
953 case BC_RGBA_FLOAT: TRANSLATE(float, 1.0, 4, 0); break;
954 case BC_RGBA8888: TRANSLATE(unsigned char, 0xff, 4, 0); break;
955 case BC_YUVA8888: TRANSLATE(unsigned char, 0xff, 4, 0x80); break;
957 //printf("TitleTranslateUnit::process_package 5\n");
961 TitleTranslate::TitleTranslate(TitleMain *plugin, int cpus)
962 : LoadServer(cpus, cpus)
964 this->plugin = plugin;
971 TitleTranslate::~TitleTranslate()
977 void TitleTranslate::init_packages()
979 int out_h = out_y2 - out_y1;
980 int py1 = 0, py2 = 0;
981 int pkgs = get_total_packages();
982 for( int i=0; i<pkgs; py1=py2 ) {
983 TitleTranslatePackage *pkg = (TitleTranslatePackage*)get_package(i);
984 py2 = (++i*out_h) / pkgs;
985 pkg->y1 = py1; pkg->y2 = py2;
987 //printf("TitleTranslate::init_packages 2\n");
990 LoadClient* TitleTranslate::new_client()
992 return new TitleTranslateUnit(plugin, this);
995 LoadPackage* TitleTranslate::new_package()
997 return new TitleTranslatePackage;
1000 TitleCurNudge::TitleCurNudge(TitleParser *parser, TitleMain *plugin)
1001 : TitleStack<int>(parser, 0)
1004 TitleCurColor::TitleCurColor(TitleParser *parser, TitleMain *plugin)
1005 : TitleStack<int>(parser, plugin->config.color)
1008 TitleCurAlpha::TitleCurAlpha(TitleParser *parser, TitleMain *plugin)
1009 : TitleStack<int>(parser, plugin->config.alpha)
1012 TitleCurSize::TitleCurSize(TitleParser *parser, TitleMain *plugin)
1013 : TitleStack<float>(parser, plugin->config.size)
1016 TitleCurBold::TitleCurBold(TitleParser *parser, TitleMain *plugin)
1017 : TitleStack<int>(parser, (plugin->config.style & BC_FONT_BOLD) ? 1 : 0)
1020 TitleCurItalic::TitleCurItalic(TitleParser *parser, TitleMain *plugin)
1021 : TitleStack<int>(parser, (plugin->config.style & BC_FONT_ITALIC) ? 1 : 0)
1024 TitleCurFont::TitleCurFont(TitleParser *parser, TitleMain *plugin)
1025 : TitleStack<BC_FontEntry*>(parser, plugin->config_font())
1028 TitleCurCaps::TitleCurCaps(TitleParser *parser, TitleMain *plugin)
1029 : TitleStack<int>(parser, 0)
1032 TitleCurUnder::TitleCurUnder(TitleParser *parser, TitleMain *plugin)
1033 : TitleStack<int>(parser, 0)
1036 TitleCurBlink::TitleCurBlink(TitleParser *parser, TitleMain *plugin)
1037 : TitleStack<float>(parser, 0)
1040 TitleCurFixed::TitleCurFixed(TitleParser *parser, TitleMain *plugin)
1041 : TitleStack<int>(parser, 0)
1044 TitleCurSuper::TitleCurSuper(TitleParser *parser, TitleMain *plugin)
1045 : TitleStack<int>(parser, 0)
1049 TitleParser::TitleParser(TitleMain *plugin)
1051 cur_nudge(this, plugin),
1052 cur_color(this, plugin),
1053 cur_alpha(this, plugin),
1054 cur_size(this, plugin),
1055 cur_bold(this, plugin),
1056 cur_italic(this, plugin),
1057 cur_font(this, plugin),
1058 cur_caps(this, plugin),
1059 cur_under(this, plugin),
1060 cur_blink(this, plugin),
1061 cur_fixed(this, plugin),
1062 cur_super(this, plugin)
1064 bfr = out = plugin->config.wtext;
1065 lmt = bfr + plugin->config.wlen;
1068 TitleMain::TitleMain(PluginServer *server)
1069 : PluginVClient(server)
1078 freetype_library = 0;
1081 window_w = window_h = 0;
1082 title_x = title_y = 0;
1083 title_w = title_h = 0;
1084 text_w = text_h = 0;
1085 text_x = text_y = 0; mask_w = mask_h = 0;
1086 mask_x1 = mask_y1 = mask_x2 = mask_y2 = 0;
1088 visible_row1 = visible_char1 = 0;
1089 visible_row2 = visible_char2 = 0;
1091 input = 0; output = 0;
1092 output_model = BC_RGBA8888;
1093 mask_model = BC_RGBA8888;
1094 background = 0; bg_file = 0; bg_frame = 0;
1095 render_engine = 0; video_cache = 0;
1097 cpus = PluginClient::smp + 1;
1098 if( cpus > 8 ) cpus = 8;
1100 need_reconfigure = 1;
1103 TitleMain::~TitleMain()
1106 background->Garbage::remove_user();
1109 delete render_engine;
1111 delete overlay_frame;
1115 delete outline_mask;
1117 delete glyph_engine;
1118 delete title_engine;
1120 FT_Done_Face(freetype_face);
1121 if( freetype_library )
1122 FT_Done_FreeType(freetype_library);
1124 delete outline_engine;
1127 const char* TitleMain::plugin_title() { return _("Title"); }
1128 int TitleMain::is_realtime() { return 1; }
1129 int TitleMain::is_synthesis() { return 1; }
1131 NEW_WINDOW_MACRO(TitleMain, TitleWindow);
1134 void TitleMain::build_previews(TitleWindow *gui)
1136 ArrayList<BC_FontEntry*>&fonts = *gui->get_resources()->fontlist;
1138 for( int font_number=0; font_number<fonts.size(); ++font_number ) {
1139 BC_FontEntry *font = fonts.get(font_number);
1140 // already have examples
1141 if( font->image ) return;
1144 // create example bitmaps
1145 FT_Library freetype_library = 0; // Freetype library
1146 FT_Face freetype_face = 0;
1147 const char *test_string = "Aa";
1148 char new_path[BCTEXTLEN];
1149 int text_height = gui->get_text_height(LARGEFONT);
1150 int text_color = BC_WindowBase::get_resources()->default_text_color;
1151 int r = (text_color >> 16) & 0xff;
1152 int g = (text_color >> 8) & 0xff;
1153 int b = text_color & 0xff;
1154 // dimensions for each line
1155 int height[fonts.size()];
1156 int ascent[fonts.size()];
1158 // pass 1 gets the extents for all the fonts
1159 // pass 2 draws the image
1162 for( int pass=0; pass<2; ++pass ) {
1163 //printf("TitleMain::build_previews %d %d %d\n",
1164 //__LINE__, text_height, total_h);
1165 for( int font_number=0; font_number<fonts.size(); ++font_number ) {
1166 BC_FontEntry *font = fonts[font_number];
1167 // test if font of same name has been processed
1169 for( int i=0; i<font_number; ++i ) {
1170 if( !strcasecmp(fonts[i]->displayname, font->displayname) ) {
1172 font->image = fonts[i]->image;
1179 if( skip ) continue;
1181 int current_x = 0, current_w = 0, current_h = 0, current_ascent = 0;
1183 font->image = new VFrame;
1184 font->image->set_use_shm(0);
1185 font->image->reallocate(0, -1, 0, 0, 0,
1186 total_w, total_h, BC_RGBA8888, -1);
1187 font->image->clear_frame();
1190 int len = strlen(test_string);
1191 for( int j=0; j<len; ++j ) {
1192 FT_ULong c = test_string[j];
1193 // memory leaks here are fatal
1194 // check_char_code_path(freetype_library,
1197 // (char *)new_path);
1198 strcpy(new_path, font->path);
1199 if( load_freetype_face(freetype_library, freetype_face, new_path)) continue;
1200 FT_Set_Pixel_Sizes(freetype_face, text_height, 0);
1201 if( FT_Load_Char(freetype_face, c, FT_LOAD_RENDER) ) continue;
1203 current_w = current_x + freetype_face->glyph->bitmap.width;
1204 if( (int)freetype_face->glyph->bitmap_top > current_ascent )
1205 current_ascent = freetype_face->glyph->bitmap_top;
1206 if( (int)freetype_face->glyph->bitmap.rows > total_h )
1207 total_h = freetype_face->glyph->bitmap.rows;
1208 if( (int)freetype_face->glyph->bitmap.rows > current_h )
1209 current_h = freetype_face->glyph->bitmap.rows;
1212 // copy 1 row at a time, center vertically
1213 int out_y = (total_h - height[font_number]) / 2 +
1214 ascent[font_number] - freetype_face->glyph->bitmap_top;
1216 in_y < (int)freetype_face->glyph->bitmap.rows && out_y < total_h;
1218 unsigned char *out_row = font->image->get_rows()[out_y] +
1220 unsigned char *in_row = freetype_face->glyph->bitmap.buffer +
1221 freetype_face->glyph->bitmap.pitch * in_y;
1224 out_x < (int)freetype_face->glyph->bitmap.width && out_x < total_w;
1226 *out_row = (*in_row * r +
1227 (0xff - *in_row) * *out_row) / 0xff; ++out_row;
1228 *out_row = (*in_row * g +
1229 (0xff - *in_row) * *out_row) / 0xff; ++out_row;
1230 *out_row = (*in_row * b +
1231 (0xff - *in_row) * *out_row) / 0xff; ++out_row;
1232 *out_row = MAX(*in_row, *out_row); ++out_row;
1236 current_x += freetype_face->glyph->advance.x >> 6;
1240 height[font_number] = current_h;
1241 ascent[font_number] = current_ascent;
1242 if( pass == 0 && current_w > total_w ) total_w = current_w;
1246 if( freetype_library ) FT_Done_FreeType(freetype_library);
1250 //This checks if char_code is on the selected font, else it changes font to the first compatible //Akirad
1251 int TitleMain::check_char_code_path(FT_Library &freetype_library,
1252 char *path_old, FT_ULong &char_code, char *path_new)
1254 FT_Face temp_freetype_face;
1258 FcChar8 *file, *format;
1263 config = FcConfigGetCurrent();
1264 FcConfigSetRescanInterval(config, 0);
1266 pat = FcPatternCreate();
1267 os = FcObjectSetBuild ( FC_FILE, FC_FONTFORMAT, (char *) 0);
1268 fs = FcFontList(config, pat, os);
1270 char tmpstring[BCTEXTLEN];
1271 int limit_to_truetype = 0; //if you want to limit search to truetype put 1
1272 if( !freetype_library ) FT_Init_FreeType(&freetype_library);
1273 if( !FT_New_Face(freetype_library, path_old, 0, &temp_freetype_face) ) {
1274 FT_Set_Pixel_Sizes(temp_freetype_face, 128, 0);
1275 int gindex = FT_Get_Char_Index(temp_freetype_face, char_code);
1276 if( gindex != 0 && char_code == 10 ) {
1277 strcpy(path_new, path_old);
1283 for( int i=0; fs && i<fs->nfont; ++i ) {
1284 font = fs->fonts[i];
1285 FcPatternGetString(font, FC_FONTFORMAT, 0, &format);
1286 if( strcmp((char *)format, "TrueType") && !limit_to_truetype ) continue;
1287 if( FcPatternGetString(font, FC_FILE, 0, &file) != FcResultMatch ) continue;
1288 sprintf(tmpstring, "%s", file);
1289 if( !FT_New_Face(freetype_library, tmpstring, 0, &temp_freetype_face) ) continue;
1290 FT_Set_Pixel_Sizes(temp_freetype_face, 128, 0);
1291 int gindex = FT_Get_Char_Index(temp_freetype_face, char_code);
1292 if( gindex != 0 && char_code == 10 ) {
1293 sprintf(path_new, "%s", tmpstring);
1301 if( fs ) FcFontSetDestroy(fs);
1302 if( temp_freetype_face ) FT_Done_Face(temp_freetype_face);
1303 temp_freetype_face = 0;
1306 strcpy(path_new, path_old);
1314 int TitleMain::load_freetype_face(FT_Library &freetype_library,
1315 FT_Face &freetype_face, const char *path)
1317 //printf("TitleMain::load_freetype_face 1\n");
1318 if( !freetype_library )
1319 FT_Init_FreeType(&freetype_library);
1321 FT_Done_Face(freetype_face);
1323 //printf("TitleMain::load_freetype_face 2\n");
1325 // Use freetype's internal function for loading font
1326 if( FT_New_Face(freetype_library, path, 0, &freetype_face) ) {
1327 fprintf(stderr, _("TitleMain::load_freetype_face %s failed.\n"), path);
1329 freetype_library = 0;
1335 int TitleMain::load_font(BC_FontEntry *font)
1337 if( load_freetype_face(freetype_library,freetype_face, font->path) ) return 1;
1338 strcpy(text_font, font->displayname);
1343 Indexable *TitleMain::open_background(const char *filename)
1345 delete render_engine; render_engine = 0;
1346 delete video_cache; video_cache = 0;
1347 delete bg_file; bg_file = new File;
1349 Asset *asset = new Asset(filename);
1350 int result = bg_file->open_file(server->preferences, asset, 1, 0);
1351 if( result == FILE_OK ) return (Indexable *)asset;
1353 asset->Garbage::remove_user();
1354 delete bg_file; bg_file = 0;
1355 if( result != FILE_IS_XML ) return 0;
1358 if( xml_file.read_from_file(filename) ) return 0;
1359 EDL *nested_edl = new EDL;
1360 nested_edl->create_objects();
1361 nested_edl->set_path(filename);
1362 nested_edl->load_xml(&xml_file, LOAD_ALL);
1363 TransportCommand command;
1364 //command.command = audio_tracks ? NORMAL_FWD : CURRENT_FRAME;
1365 command.command = CURRENT_FRAME;
1366 command.get_edl()->copy_all(nested_edl);
1367 command.change_type = CHANGE_ALL;
1368 command.realtime = 0;
1369 render_engine = new RenderEngine(0, server->preferences, 0, 0);
1370 render_engine->set_vcache(video_cache = new CICache(server->preferences));
1371 render_engine->arm_command(&command);
1372 return (Indexable *)nested_edl;
1375 int TitleMain::read_background(VFrame *frame, int64_t position, int color_model)
1378 VFrame *iframe = frame;
1379 int bw = background->get_w(), bh = background->get_h();
1380 if( background->is_asset ) {
1381 Asset *asset = (Asset *)background;
1382 if( bw != asset->width || bh != asset->height )
1383 iframe = new_temp(asset->width, asset->height, color_model);
1384 int64_t source_position = (int64_t)(position *
1385 asset->frame_rate / project_frame_rate);
1386 if( config.loop_playback ) {
1387 int64_t loop_size = asset->get_video_frames();
1388 source_position -= (int64_t)(source_position / loop_size) * loop_size;
1391 bg_file->set_video_position(source_position, 0);
1392 result = bg_file->read_frame(iframe);
1396 EDL *nested_edl = (EDL *)background;
1397 if( color_model != nested_edl->session->color_model ||
1398 bw != nested_edl->session->output_w ||
1399 bh != nested_edl->session->output_h )
1401 nested_edl->session->output_w,
1402 nested_edl->session->output_h,
1403 nested_edl->session->color_model);
1404 int64_t source_position = (int64_t)(position *
1405 nested_edl->session->frame_rate / project_frame_rate);
1406 if( config.loop_playback ) {
1407 int64_t loop_size = nested_edl->get_video_frames();
1408 source_position -= (int64_t)(source_position / loop_size) * loop_size;
1410 if( render_engine->vrender )
1411 result = render_engine->vrender->process_buffer(iframe, source_position, 0);
1413 if( !result && iframe != frame )
1414 frame->transfer_from(iframe);
1418 void TitleMain::draw_background()
1421 if( strcmp(background->path, config.background_path) ) {
1423 background->Garbage::remove_user();
1432 if( !background && config.background_path[0] && !access(config.background_path,R_OK) )
1433 background = open_background(config.background_path);
1435 int bw = background->get_w(), bh = background->get_h();
1436 if( bg_frame && (bg_frame->get_w() != bw || bg_frame->get_h() != bh ||
1437 bg_frame->get_color_model() != output_model) ) {
1438 delete bg_frame; bg_frame = 0;
1441 bg_frame = new VFrame(0, -1, bw, bh, output_model, -1);
1442 int64_t position = get_source_position() - get_source_start();
1443 if( !read_background(bg_frame, position, output_model) ) {
1444 if( !overlay_frame )
1445 overlay_frame = new OverlayFrame(cpus);
1446 float in_x1 = 0, in_x2 = bg_frame->get_w();
1447 float in_y1 = 0, in_y2 = bg_frame->get_h();
1448 float out_x1 = config.title_x, out_x2 = out_x1 + title_w;
1449 float out_y1 = config.title_y, out_y2 = out_y1 + title_h;
1450 overlay_frame->overlay(output, bg_frame,
1451 in_x1,in_y1, in_x2,in_y2,
1452 out_x1,out_y1, out_x2,out_y2,
1453 1, TRANSFER_NORMAL, CUBIC_LINEAR);
1458 BC_FontEntry* TitleMain::get_font(const char *font_name, int style)
1461 ((style & BC_FONT_ITALIC) != 0 ? FL_SLANT_ITALIC | FL_SLANT_OBLIQUE : FL_SLANT_ROMAN) |
1462 ((style & BC_FONT_BOLD) != 0 ? FL_WEIGHT_BOLD | FL_WEIGHT_DEMIBOLD |
1463 FL_WEIGHT_EXTRABOLD| FL_WEIGHT_BLACK | FL_WEIGHT_EXTRABLACK :
1464 FL_WEIGHT_BOOK | FL_WEIGHT_NORMAL | FL_WEIGHT_MEDIUM |
1465 FL_WEIGHT_LIGHT | FL_WEIGHT_EXTRALIGHT | FL_WEIGHT_THIN);
1467 int mask = FL_WEIGHT_MASK | FL_SLANT_MASK;
1469 BC_Resources *resources = BC_WindowBase::get_resources();
1470 return resources->find_fontentry(font_name, flavor, mask, style);
1472 BC_FontEntry* TitleMain::config_font()
1474 BC_FontEntry *font = get_font(config.font, config.style);
1475 if( font && load_font(font) ) font = 0;
1480 static inline bool is_ltr(wchar_t wch) { return (wch>='a' && wch<='z') || (wch>='A' && wch<='Z'); }
1481 static inline bool is_nbr(wchar_t wch) { return (wch>='0' && wch<='9'); }
1482 static inline bool is_ws(wchar_t wch) { return wch==' ' || wch=='\t'; }
1483 static inline bool is_idch(wchar_t wch) { return is_ltr(wch) || is_nbr(wch) || wch=='_'; }
1485 // return eof=-1, chr=0, opener=1, closer=2
1486 int TitleParser::wget(wchar_t &wch)
1488 char *ip = id, *tp = text; *ip = 0; *tp = 0;
1489 int ilen = sizeof(id), tlen = sizeof(text), ich;
1490 while( (ich=wnext()) >= 0 ) {
1492 if( (ich=wnext()) == '\n' ) continue;
1496 if( ich == '<' ) break;
1497 if( ich != '#' ) { wch = ich; return 0; }
1498 while( (ich=wnext()) >= 0 && ich != '\n' );
1499 if( ich < 0 ) break;
1501 if( ich < 0 ) return -1;
1502 int ret = 1; long pos = tell();
1503 if( (ich=wnext()) == '/' ) { ret = 2; ich = wnext(); }
1506 while( is_idch(ich=wnext()) )
1507 if( --ilen > 0 ) *ip++ = ich;
1510 while( is_ws(ich) ) ich = wnext();
1511 while( ich >= 0 && ich != '>' ) {
1512 if( ich == '\n' || ich == '<' ) { ich = -1; break; }
1513 if( ich == '\\' && (ich=wnext()) < 0 ) break;
1514 if( --tlen > 0 ) *tp++ = ich;
1518 if( ich < 0 ) { ich = '<'; seek(pos); ret = 0; }
1523 TitleGlyph *TitleMain::get_glyph(FT_ULong char_code, BC_FontEntry *font, int size, int style)
1525 for( int i=0, n=title_glyphs.count(); i<n; ++i ) {
1526 TitleGlyph *glyph = title_glyphs[i];
1527 if( glyph->char_code == char_code && glyph->font == font &&
1528 glyph->size == size && glyph->style == style )
1534 int TitleMain::get_width(TitleGlyph *cur, TitleGlyph *nxt)
1536 if( !cur || cur->char_code == '\n' ) return 0;
1537 int result = cur->advance_x;
1538 if( !nxt ) return result;
1540 FT_Get_Kerning(freetype_face,
1541 cur->freetype_index, nxt->freetype_index,
1542 ft_kerning_default, &kerning);
1543 return result + (kerning.x >> 6);
1547 VFrame *TitleMain::get_image(const char *path)
1549 for( int i=0; i<title_images.count(); ++i ) {
1550 if( !strcmp(path, title_images[i]->path) )
1551 return title_images[i]->vframe;
1556 VFrame *TitleMain::add_image(const char *path)
1558 VFrame *vframe = get_image(path);
1559 if( !vframe && (vframe=VFramePng::vframe_png(path)) != 0 ) {
1560 if( vframe->get_color_model() != text_model ) {
1561 VFrame *frame = new VFrame(vframe->get_w(), vframe->get_h(), text_model);
1562 frame->transfer_from(vframe); delete vframe;
1565 title_images.append(new TitleImage(path, vframe));
1570 int TitleCurColor::set(const char *txt)
1572 #define BCOLOR(NM) { #NM, NM }
1573 static const struct { const char *name; int color; } colors[] = {
1574 BCOLOR(MNBLUE), BCOLOR(ORANGE), BCOLOR(BLOND),
1575 BCOLOR(MNGREY), BCOLOR(FGGREY), BCOLOR(FTGREY), BCOLOR(DKGREY),
1576 BCOLOR(LTGREY), BCOLOR(MEGREY), BCOLOR(DMGREY), BCOLOR(MDGREY),
1577 BCOLOR(LTPURPLE),BCOLOR(MEPURPLE),BCOLOR(MDPURPLE), BCOLOR(DKPURPLE),
1578 BCOLOR(LTCYAN), BCOLOR(MECYAN), BCOLOR(MDCYAN), BCOLOR(DKCYAN),
1579 BCOLOR(YELLOW), BCOLOR(LTYELLOW),BCOLOR(MEYELLOW), BCOLOR(MDYELLOW),
1580 BCOLOR(LTGREEN), BCOLOR(DKGREEN), BCOLOR(DKYELLOW), BCOLOR(LTPINK),
1581 BCOLOR(PINK), BCOLOR(LTBLUE), BCOLOR(DKBLUE),
1582 BCOLOR(RED), BCOLOR(GREEN), BCOLOR(BLUE),
1583 BCOLOR(BLACK), BCOLOR(WHITE),
1587 if( txt[0] == '#' ) {
1588 if( sscanf(&txt[1], "%x", &color) != 1 ) return 1;
1591 int i = sizeof(colors)/sizeof(colors[0]);
1592 while( --i >= 0 && strcasecmp(txt, colors[i].name) );
1593 if( i < 0 ) return 1;
1594 color = colors[i].color;
1598 color = parser->plugin->config.color;
1603 int TitleCurAlpha::set(const char *txt)
1606 parser->plugin->config.alpha :
1607 strtof(txt,(char**)&txt) * 255;
1609 if( *txt || alpha < 0 || alpha > 255 ) return 1;
1614 int TitleCurSize::set(const char *txt)
1618 size = parser->plugin->config.size;
1620 else if( *txt == '+' || *txt == '-' ) {
1622 for( int ch; (ch=*txt)!=0; ++txt ) {
1623 if( ch == '+' ) { size *= 5./4.; continue; }
1624 if( ch == '-' ) { size *= 4./5.; continue; }
1629 size = strtof(txt,(char**)&txt);
1631 if( *txt || size <= 0 || size > 2048 ) return 1;
1632 int style = parser->cur_font.style();
1633 if( !parser->cur_font.set(0,style) ) return 1;
1637 int TitleCurSize::unset(const char *txt)
1639 if( pop() ) return 1;
1640 int style = parser->cur_font.style();
1641 parser->cur_font.set(0,style);
1646 int TitleCurBold::set(const char *txt)
1648 int bold = !*txt ? 1 :
1649 strtol(txt,(char**)&txt,0);
1650 if( *txt || bold < 0 || bold > 1 ) return 1;
1651 int style = parser->cur_font.style();
1652 if( bold ) style |= BC_FONT_BOLD;
1653 else style &= ~BC_FONT_BOLD;
1654 if( !parser->cur_font.set(0,style) ) return 1;
1658 int TitleCurBold::unset(const char *txt)
1660 if( pop() ) return 1;
1661 int style = parser->cur_font.style();
1662 parser->cur_font.set(0,style);
1666 int TitleCurItalic::set(const char *txt)
1668 int italic = !*txt ? 1 :
1669 strtol(txt,(char**)&txt,0);
1670 if( *txt || italic < 0 || italic > 1 ) return 1;
1671 int style = parser->cur_font.style();
1672 if( italic ) style |= BC_FONT_ITALIC;
1673 else style &= ~BC_FONT_ITALIC;
1674 if( !parser->cur_font.set(0,style) ) return 1;
1678 int TitleCurItalic::unset(const char *txt)
1680 if( pop() ) return 1;
1681 int style = parser->cur_font.style();
1682 parser->cur_font.set(0,style);
1687 int TitleCurFont::style()
1690 if( parser->cur_bold ) style |= BC_FONT_BOLD;
1691 if( parser->cur_italic ) style |= BC_FONT_ITALIC;
1694 BC_FontEntry* TitleCurFont::get(const char *txt, int style)
1696 if( !txt ) txt = parser->plugin->text_font;
1697 else if( !*txt ) txt = parser->plugin->config.font;
1698 return parser->plugin->get_font(txt, style);
1700 BC_FontEntry *TitleCurFont::set(const char *txt, int style)
1702 BC_FontEntry *font = get(txt, style);
1703 if( !font || parser->plugin->load_font(font) ) return 0;
1704 if( !txt ) (BC_FontEntry*&)*this = font;
1707 int TitleCurFont::set(const char *txt)
1709 BC_FontEntry *font = set(txt, style());
1710 if( !font ) return 1;
1714 int TitleCurFont::unset(const char *txt)
1716 if( *txt || pop() ) return 1;
1717 BC_FontEntry *font = *this;
1718 if( !font ) return 1;
1719 font = get(font->displayname, style());
1720 if( !font ) return 1;
1721 (BC_FontEntry*&)*this = font;
1725 int TitleCurCaps::set(const char *txt)
1727 int caps = !*txt ? 1 : strtol(txt,(char **)&txt,0);
1728 if( *txt || caps < -1 || caps > 1 ) return 1;
1733 int TitleCurBlink::set(const char *txt)
1735 float blink = !*txt ? 1 : strtof(txt,(char **)&txt);
1736 if( *txt ) return 1;
1741 int TitleCurFixed::set(const char *txt)
1744 parser->cur_size*3/4 :
1745 strtol(txt,(char **)&txt,0);
1746 if( *txt || fixed < 0 ) return 1;
1751 int TitleCurSuper::set(const char *txt)
1753 int super = !*txt ? 1 : strtol(txt,(char **)&txt,0);
1754 if( *txt || super < -1 || super > 1 ) return 1;
1759 int TitleCurNudge::set(const char *txt)
1761 if( !*txt ) return 1;
1762 short nx = strtol(txt,(char **)&txt,0);
1763 if( *txt++ != ',' ) return 1;
1764 short ny = strtol(txt,(char **)&txt,0);
1765 if( *txt ) return 1;
1766 int nudge = (nx << 16) | (ny & 0xffff);
1771 int TitleParser::set_attributes(int ret)
1773 if( !strcmp(id,_("nudge")) ) return ret>1 ? cur_nudge.unset(text) : cur_nudge.set(text);
1774 if( !strcmp(id,_("color")) ) return ret>1 ? cur_color.unset(text) : cur_color.set(text);
1775 if( !strcmp(id,_("alpha")) ) return ret>1 ? cur_alpha.unset(text) : cur_alpha.set(text);
1776 if( !strcmp(id,_("font")) ) return ret>1 ? cur_font.unset(text) : cur_font.set(text);
1777 if( !strcmp(id,_("size")) ) return ret>1 ? cur_size.unset(text) : cur_size.set(text);
1778 if( !strcmp(id,_("bold")) ) return ret>1 ? cur_bold.unset(text) : cur_bold.set(text);
1779 if( !strcmp(id,_("italic")) ) return ret>1 ? cur_italic.unset(text) : cur_italic.set(text);
1780 if( !strcmp(id,_("caps")) ) return ret>1 ? cur_caps.unset(text) : cur_caps.set(text);
1781 if( !strcmp(id,_("ul")) ) return ret>1 ? cur_under.unset(text) : cur_under.set(text);
1782 if( !strcmp(id,_("blink")) ) return ret>1 ? cur_blink.unset(text) : cur_blink.set(text);
1783 if( !strcmp(id,_("fixed")) ) return ret>1 ? cur_fixed.unset(text) : cur_fixed.set(text);
1784 if( !strcmp(id,_("sup")) ) return ret>1 ? cur_super.unset(text) : cur_super.set(text);
1789 void TitleMain::load_glyphs()
1791 // Build table of all glyphs needed
1792 TitleParser wchrs(this);
1793 int total_packages = 0;
1795 while( !wchrs.eof() ) {
1796 wchar_t wch1 = wchrs.wcur(), wch;
1797 long ipos = wchrs.tell();
1798 int ret = wchrs.wget(wch);
1800 if( !wchrs.set_attributes(ret) ) continue;
1801 if( !strcmp(wchrs.id,"png") && add_image(wchrs.text) ) continue;
1802 wch = wch1; wchrs.seek(ipos+1);
1806 int cur_caps = wchrs.cur_caps;
1807 if( cur_caps > 0 ) wch = towupper(wch);
1808 else if( cur_caps < 0 ) wch = towlower(wch);
1809 BC_FontEntry *cur_font = wchrs.cur_font;
1810 int cur_size = wchrs.cur_size;
1812 int cur_bold = wchrs.cur_bold;
1813 if( cur_bold ) cur_style |= BC_FONT_BOLD;
1814 int cur_italic = wchrs.cur_italic;
1815 if( cur_italic ) cur_style |= BC_FONT_ITALIC;
1816 int cur_super = wchrs.cur_super;
1817 if( cur_super ) cur_size /= 2;
1819 for( int j=0; j<title_glyphs.count(); ++j ) {
1820 TitleGlyph *glyph = title_glyphs[j];
1821 if( glyph->char_code == (FT_ULong)wch && glyph->font == cur_font &&
1822 glyph->size == cur_size && glyph->style == cur_style ) {
1829 TitleGlyph *glyph = new TitleGlyph;
1830 glyph->char_code = (FT_ULong)wch;
1831 glyph->font = cur_font;
1832 glyph->size = cur_size;
1833 glyph->style = cur_style;
1834 title_glyphs.append(glyph);
1840 glyph_engine = new GlyphEngine(this, cpus);
1842 glyph_engine->set_package_count(total_packages);
1843 glyph_engine->process_packages();
1847 TitleImage::TitleImage(const char *path, VFrame *vfrm)
1849 this->path = cstrdup(path);
1850 this->vframe = vfrm;
1852 TitleImage::~TitleImage()
1858 TitleChar *TitleChar::init(int typ, void *vp)
1874 TitleRow *TitleRow::init()
1877 x1 = y2 = 0; //MAX_FLT;
1878 y1 = x2 = 0; //MIN_FLT;
1882 int TitleMain::get_text()
1884 // Determine extents of total text
1885 title_chars.reset();
1887 int pitch = config.line_pitch;
1888 float font_h = config.size;
1891 TitleParser wchrs(this);
1894 float row_w = 0, row_h = 0;
1895 float row_x = 0, row_y = 0;
1899 if( !row ) row = title_rows.add();
1901 long ipos = wchrs.tell();
1902 wchar_t wch1 = wchrs.wcur(), wch;
1903 int ret = wchrs.wget(wch);
1904 if( ret < 0 || wch == '\n' ) {
1905 if( row->x1 > row->x2 ) row->x1 = row->x2 = 0;
1906 if( row->y2 > row->y1 ) row->y1 = row->y2 = 0;
1907 int dy = row->y1 - descent;
1908 row_y += pitch ? pitch : dy > font_h ? dy : font_h;
1911 if( row_x > row_w ) row_w = row_x;
1912 if( row_y > row_h ) row_h = row_y;
1913 text_rows = title_rows.count();
1915 if( ret < 0 ) break;
1918 BC_FontEntry *cur_font = wchrs.cur_font;
1919 int cur_color = wchrs.cur_color;
1920 int cur_alpha = wchrs.cur_alpha;
1921 float cur_size = wchrs.cur_size;
1922 int cur_caps = wchrs.cur_caps;
1923 int cur_under = wchrs.cur_under;
1924 float cur_blink = wchrs.cur_blink;
1925 int cur_fixed = wchrs.cur_fixed;
1926 int cur_super = wchrs.cur_super;
1927 int cur_nudge = wchrs.cur_nudge;
1929 int cur_bold = wchrs.cur_bold;
1930 if( cur_bold ) cur_style |= BC_FONT_BOLD;
1931 int cur_italic = wchrs.cur_italic;
1932 if( cur_italic ) cur_style |= BC_FONT_ITALIC;
1933 short nx = cur_nudge >> 16, ny = cur_nudge;
1934 int cx = nx, cy = ny, cw = 0, ch = 0, dx = 0;
1936 if( !wchrs.set_attributes(ret) ) continue;
1938 if( !strcmp(wchrs.id,"png") ) {
1939 VFrame *png_image = get_image(wchrs.text);
1941 chr = title_chars.add(CHAR_IMAGE, png_image);
1942 cy += ch = png_image->get_h();
1943 cw = dx = png_image->get_w();
1948 wch = wch1; wchrs.seek(ipos+1);
1952 if( cur_caps > 0 ) wch = towupper(wch);
1953 else if( cur_caps < 0 ) wch = towlower(wch);
1954 int size = !cur_super ? cur_size : cur_size/2;
1955 TitleGlyph *gp = get_glyph(wch, cur_font, size, cur_style);
1958 if( cur_super > 0 ) cy += cur_size-4*size/3;
1959 else if( cur_super < 0 ) cy -= size/3;
1965 else if( !wchrs.eof() ) {
1966 TitleGlyph *np = get_glyph(wchrs.wcur(), cur_font, cur_size, cur_style);
1967 dx = get_width(gp, np);
1970 chr = title_chars.add(CHAR_GLYPH, gp);
1973 cw = gp->right - gp->left;
1974 ch = gp->top - gp->bottom;
1977 if( !chr ) continue;
1979 chr->size = cur_size;
1980 chr->blink = cur_blink;
1981 chr->color = cur_color;
1982 chr->alpha = cur_alpha;
1984 if( cur_fixed ) chr->flags |= FLAG_FIXED;
1985 if( cur_super > 0 ) chr->flags |= FLAG_SUPER;
1986 if( cur_super < 0 ) chr->flags |= FLAG_SUBER;
1987 if( cur_under ) chr->flags |= FLAG_UNDER;
1988 if( cur_blink ) chr->flags |= FLAG_BLINK;
1989 chr->x = (cx += row_x);
1992 row->bound(cx,cy, cx+cw,cy-ch);
1993 chr->row = text_rows;
1997 if( !row_w || !row_h ) return 1;
1999 // rows boundary, note: row->xy is y up (FT), row_xy is y down (X)
2000 text_x1 = text_y1 = MAX_FLT;
2001 text_x2 = text_y2 = MIN_FLT;
2002 for( int i=0; i<text_rows; ++i ) {
2003 row = title_rows[i];
2004 switch( config.hjustification ) {
2005 case JUSTIFY_LEFT: row->x0 = 0; break;
2006 case JUSTIFY_CENTER: row->x0 = (row_w - (row->x2-row->x1)) / 2; break;
2007 case JUSTIFY_RIGHT: row->x0 = row_w - (row->x2-row->x1); break;
2010 if( text_x1 > (v=row->x0+row->x1) ) text_x1 = v;
2011 if( text_y1 > (v=row->y0-row->y1) ) text_y1 = v;
2012 if( text_x2 < (v=row->x0+row->x2) ) text_x2 = v;
2013 if( text_y2 < (v=row->y0-row->y2) ) text_y2 = v;
2015 if( text_x1 > text_x2 || text_y1 > text_y2 ) return 1;
2016 text_x1 += fuzz1; text_y1 += fuzz1;
2017 text_x2 += fuzz2; text_y2 += fuzz2;
2018 text_w = text_x2 - text_x1;
2019 text_h = text_y2 - text_y1;
2023 int TitleMain::get_visible_text()
2025 // Determine y of visible text
2026 switch( config.motion_strategy ) {
2028 case TOP_TO_BOTTOM: {
2029 float magnitude = config.pixels_per_second *
2030 (get_source_position() - config.prev_keyframe_position) /
2031 PluginVClient::project_frame_rate;
2033 int loop_size = text_h + title_h;
2034 magnitude -= (int)(magnitude / loop_size) * loop_size;
2036 text_y = config.motion_strategy == BOTTOM_TO_TOP ?
2037 title_h - magnitude :
2040 default: switch( config.vjustification ) {
2041 case JUSTIFY_TOP: text_y = 0; break;
2042 case JUSTIFY_MID: text_y = (title_h - text_h) / 2; break;
2043 case JUSTIFY_BOTTOM: text_y = title_h - text_h; break;
2047 // Determine x of visible text
2048 switch( config.motion_strategy ) {
2050 case LEFT_TO_RIGHT: {
2051 float magnitude = config.pixels_per_second *
2052 (get_source_position() - config.prev_keyframe_position) /
2053 PluginVClient::project_frame_rate;
2055 int loop_size = text_w + title_w;
2056 magnitude -= (int)(magnitude / loop_size) * loop_size;
2058 text_x = config.motion_strategy == RIGHT_TO_LEFT ?
2059 title_w - magnitude :
2062 default: switch ( config.hjustification ) {
2063 case JUSTIFY_LEFT: text_x = 0; break;
2064 case JUSTIFY_CENTER: text_x = (title_w - text_w) / 2; break;
2065 case JUSTIFY_RIGHT: text_x = title_w - text_w; break;
2070 // until bottom of this row is visible
2072 int y0 = text_y - text_y1;
2073 while( row1 < text_rows ) {
2074 TitleRow *row = title_rows[row1];
2075 if( y0 + row->y0-row->y2 > 0 ) break;
2078 if( row1 >= text_rows ) return 0;
2080 // until top of next row is not visible
2083 while( row2 < text_rows ) {
2084 TitleRow *row = title_rows[row2];
2085 if( y0 + row->y0-row->y1 >= 0 ) break;
2088 if( row1 >= row2 ) return 0;
2090 //printf("get_visible_rows: visible_row1/2 = %d to %d\n",visible_row1,visible_row2);
2091 // Only draw visible chars
2092 double frame_rate = PluginVClient::get_project_framerate();
2093 int64_t units = get_source_position() - get_source_start();
2094 double position = units / frame_rate;
2096 int char1 = -1, char2 = -1, nchars = title_chars.count();
2097 for( int i=0; i<nchars; ++i ) {
2098 TitleChar *chr = title_chars[i];
2099 if( chr->row < row1 ) continue;
2100 if( chr->row >= row2 ) break;
2101 if( char1 < 0 ) char1 = i;
2103 if( (chr->flags & FLAG_BLINK) != 0 ) {
2105 double rate = 1 / fabs(chr->blink), rate2 = 2 * rate;
2106 double pos = position - ((int64_t)(position / rate2)) * rate2;
2107 chr->fade = chr->blink > 0 ?
2108 (pos > rate ? 0 : 1) : fabs(rate+pos) / rate;
2111 if( char1 < 0 ) char1 = 0;
2113 if( !blinking && visible_row1 == row1 && visible_row2 == row2 ) return 0;
2115 visible_row1 = row1; visible_row2 = row2;
2116 visible_char1 = char1; visible_char2 = char2;
2121 int TitleMain::draw_text(int need_redraw)
2123 // until top of next row is not visible
2124 mask_x1 = mask_y1 = INT_MAX;
2125 mask_x2 = mask_y2 = INT_MIN;
2126 for( int i=visible_row1; i<visible_row2; ++i ) {
2127 int v; TitleRow *row = title_rows[i];
2128 if( mask_x1 > (v=row->x0+row->x1) ) mask_x1 = v;
2129 if( mask_y1 > (v=row->y0-row->y1) ) mask_y1 = v;
2130 if( mask_x2 < (v=row->x0+row->x2) ) mask_x2 = v;
2131 if( mask_y2 < (v=row->y0-row->y2) ) mask_y2 = v;
2133 if( mask_x1 >= mask_x2 || mask_y1 >= mask_y2 ) return 1;
2135 mask_x1 += fuzz1; mask_y1 += fuzz1;
2136 mask_x2 += fuzz2; mask_y2 += fuzz2;
2137 mask_w = mask_x2 - mask_x1;
2138 mask_h = mask_y2 - mask_y1;
2140 //printf("TitleMain::draw_text %d-%d frame %dx%d\n",
2141 // visible_row1, visible_row2, mask_w,mask_h);
2142 if( text_mask && (text_mask->get_color_model() != text_model ||
2143 text_mask->get_w() != mask_w || text_mask->get_h() != mask_h) ) {
2144 delete text_mask; text_mask = 0;
2145 delete stroke_mask; stroke_mask = 0;
2149 // Always use 8 bit because the glyphs are 8 bit
2150 // Need to set YUV to get clear_frame to set the right chroma.
2151 mask_model = text_model;
2152 text_mask = new VFrame;
2153 text_mask->set_use_shm(0);
2154 text_mask->reallocate(0, -1, 0, 0, 0, mask_w, mask_h, mask_model, -1);
2155 int drop = abs(config.dropshadow);
2156 int drop_w = mask_w + drop;
2157 int drop_h = mask_h + drop;
2158 stroke_mask = new VFrame;
2159 stroke_mask->set_use_shm(0);
2160 stroke_mask->reallocate(0, -1, 0, 0, 0, drop_w, drop_h, mask_model, -1);
2164 // Draw on text mask if it has changed
2166 //printf("redraw %d to %d %d,%d %d,%d - %d,%d\n", visible_char1,visible_char2,
2167 // ext_x0, ext_y0, ext_x1,ext_y1, ext_x2,ext_y2);
2169 text_mask->clear_frame();
2170 stroke_mask->clear_frame();
2172 unsigned char *data = text_mask->get_data(); // draw bbox on text
2173 for( int x=0; x<mask_w; ++x ) data[4*x+3] = 0xff;
2174 for( int x=0; x<mask_w; ++x ) data[4*((mask_h-1)*mask_w+x)+3] = 0xff;
2175 for( int y=0; y<mask_h; ++y ) data[4*mask_w*y+3] = 0xff;
2176 for( int y=0; y<mask_h; ++y ) data[4*(mask_w*y + mask_w-1)+3] = 0xff;
2179 title_engine = new TitleEngine(this, cpus);
2181 // Draw dropshadow first
2182 if( config.dropshadow ) {
2183 title_engine->do_dropshadow = 1;
2184 title_engine->set_package_count(visible_char2 - visible_char1);
2185 title_engine->process_packages();
2188 // Then draw foreground
2189 title_engine->do_dropshadow = 0;
2190 title_engine->set_package_count(visible_char2 - visible_char1);
2191 title_engine->process_packages();
2193 draw_underline(text_mask, config.alpha);
2195 // Convert to text outlines
2196 if( config.outline_size > 0 ) {
2198 (text_mask->get_w() != outline_mask->get_w() ||
2199 text_mask->get_h() != outline_mask->get_h()) ) {
2200 delete outline_mask; outline_mask = 0;
2203 if( !outline_mask ) {
2204 outline_mask = new VFrame;
2205 outline_mask->set_use_shm(0);
2206 outline_mask->reallocate(0, -1, 0, 0, 0,
2207 text_mask->get_w(), text_mask->get_h(),
2208 text_mask->get_color_model(), -1);
2210 if( !outline_engine ) outline_engine =
2211 new TitleOutlineEngine(this, cpus);
2212 outline_engine->do_outline();
2220 int TitleMain::draw_underline(VFrame *mask, int alpha)
2222 int row = -1, sz = -1, color = -1, rgb = -1;
2223 int bpp = mask->get_bytes_per_pixel(), bpp1 = bpp-1;
2224 int x1 = 0, x2 = 0, y0 = 0;
2225 for( int i=visible_char1; i<visible_char2; ) {
2226 TitleChar *chr = title_chars[i];
2227 if( (chr->flags & FLAG_UNDER) && row < 0 ) {
2229 rgb = chr->color; int rr, gg, bb;
2230 get_mask_colors(rgb, mask_model, rr, gg, bb);
2231 color = (rr<<16) | (gg<<8) | (bb<<0);
2233 TitleRow *rp = title_rows[row];
2234 x1 = rp->x0 + chr->x;
2237 if( (chr->flags & FLAG_UNDER) && row == chr->row && chr->color == rgb ) {
2238 TitleRow *rp = title_rows[row];
2239 x2 = rp->x0 + chr->x + chr->dx;
2240 if( sz < chr->size ) sz = chr->size;
2241 if( ++i < visible_char2 ) continue;
2243 if( row < 0 ) { ++i; continue; }
2244 x1 -= mask_x1; x2 -= mask_x1; y0 -= mask_y1;
2245 if( x1 < 0 ) x1 = 0;
2246 if( x2 > mask_w ) x2 = mask_w;
2247 int sz1 = sz / 32 + 1, sz2 = sz1/2;
2248 int y1 = y0 - sz2, y2 = y1 + sz1;
2249 if( y1 < 0 ) y1 = 0;
2250 if( y2 > mask_h ) y2 = mask_h;
2251 unsigned char **rows = mask->get_rows();
2252 for( int y=y1; y<y2; ++y ) {
2253 unsigned char *rp = rows[y];
2254 for( int x=x1; x<x2; ++x ) {
2255 unsigned char *bp = rp + bpp * x;
2256 for( int i=bpp1; --i>=0; ) *bp++ = color>>(8*i);
2265 void TitleMain::draw_overlay()
2268 //printf("TitleMain::draw_overlay 1\n");
2270 if( !EQUIV(config.fade_in, 0) ) {
2271 int fade_len = lroundf(config.fade_in * PluginVClient::project_frame_rate);
2272 int fade_position = get_source_position() - config.prev_keyframe_position;
2274 if( fade_position >= 0 && fade_position < fade_len ) {
2275 fade = (float)fade_position / fade_len;
2278 if( !EQUIV(config.fade_out, 0) ) {
2279 int fade_len = lroundf(config.fade_out * PluginVClient::project_frame_rate);
2280 int fade_position = config.next_keyframe_position - get_source_position();
2283 if( fade_position >= 0 && fade_position < fade_len ) {
2284 fade = (float)fade_position / fade_len;
2289 translate = new TitleTranslate(this, cpus);
2290 if( text_x+mask_w > 0 && text_x < title_w ) {
2291 translate->xlat_mask = text_mask;
2292 translate->run_packages();
2293 if( config.stroke_width >= SMALL && (config.style & BC_FONT_OUTLINE) ) {
2294 translate->xlat_mask = stroke_mask;
2295 translate->run_packages();
2300 const char* TitleMain::motion_to_text(int motion)
2303 case NO_MOTION: return _("No motion");
2304 case BOTTOM_TO_TOP: return _("Bottom to top");
2305 case TOP_TO_BOTTOM: return _("Top to bottom");
2306 case RIGHT_TO_LEFT: return _("Right to left");
2307 case LEFT_TO_RIGHT: return _("Left to right");
2309 return _("Unknown");
2312 int TitleMain::text_to_motion(const char *text)
2314 for( int i=0; i<TOTAL_PATHS; ++i ) {
2315 if( !strcasecmp(motion_to_text(i), text) ) return i;
2320 void TitleMain::reset_render()
2322 delete text_mask; text_mask = 0;
2323 delete stroke_mask; stroke_mask = 0;
2324 delete glyph_engine; glyph_engine = 0;
2325 visible_row1 = 0; visible_row2 = 0;
2326 visible_char1 = 0; visible_char2 = 0;
2328 title_glyphs.clear();
2329 title_images.clear();
2330 if( freetype_face ) {
2331 FT_Done_Face(freetype_face);
2336 int TitleMain::init_freetype()
2338 if( !freetype_library )
2339 FT_Init_FreeType(&freetype_library);
2343 void TitleMain::draw_boundry()
2345 VFrame &out = *output;
2346 int iw = output->get_w(), ih = output->get_h();
2347 int mr = MIN(iw, ih)/200 + 2, rr = 2*mr;
2348 int x = title_x, y = title_y, w = title_w, h = title_h;
2350 int x0 = x-r2, x1 = x+(w+1)/2, x2 = x+w+r2;
2351 int y0 = y-r2, y1 = y+(h+1)/2, y2 = y+h+r2;
2353 for( int r=2; r<mr; r<<=1 ) st = r;
2356 for( int r=mr/2; --r>=0; ) { // bbox
2357 int lft = x+r, rgt = x+w-1-r;
2358 int top = y+r, bot = y+h-1-r;
2359 out.draw_line(lft,top, rgt,top);
2360 out.draw_line(rgt,top, rgt,bot);
2361 out.draw_line(rgt,bot, lft,bot);
2362 out.draw_line(lft,bot, lft,top);
2365 for( int r=mr; r<rr; ++r ) { // center
2366 out.draw_smooth(x1-r,y1, x1-r,y1+r, x1,y1+r);
2367 out.draw_smooth(x1,y1+r, x1+r,y1+r, x1+r,y1);
2368 out.draw_smooth(x1+r,y1, x1+r,y1-r, x1,y1-r);
2369 out.draw_smooth(x1,y1-r, x1-r,y1-r, x1-r,y1);
2372 for( int r=rr; --r>=0; ) { // edge arrows
2373 out.draw_line(x1-r,y0+r, x1+r,y0+r);
2374 out.draw_line(x2-r,y1-r, x2-r,y1+r);
2375 out.draw_line(x1-r,y2-r, x1+r,y2-r);
2376 out.draw_line(x0+r,y1+r, x0+r,y1-r);
2378 x0 += r2; y0 += r2; x2 -= r2; y2 -= r2;
2379 for( int r=2*mr; --r>=0; ) { // corner arrows
2380 out.draw_line(x0,y0+r, x0+r,y0);
2381 out.draw_line(x2,y0+r, x2-r,y0);
2382 out.draw_line(x2,y2-r, x2-r,y2);
2383 out.draw_line(x0,y2-r, x0+r,y2);
2388 int TitleMain::process_realtime(VFrame *input_ptr, VFrame *output_ptr)
2392 output = output_ptr;
2393 output_model = output->get_color_model();
2394 text_model = BC_CModels::is_yuv(output_model) ? BC_YUVA8888 : BC_RGBA8888;
2396 if( text_model != mask_model ) need_reconfigure = 1;
2397 need_reconfigure |= load_configuration();
2398 int64_t cur_position = get_source_position();
2399 if( last_position < 0 || last_position+1 != cur_position )
2400 need_reconfigure = 1;
2401 last_position = cur_position;
2403 title_x = config.title_x; title_y = config.title_y;
2404 title_w = config.title_w ? config.title_w : input->get_w();
2405 title_h = config.title_h ? config.title_h : input->get_h();
2407 fuzz1 = -config.outline_size;
2408 fuzz2 = config.outline_size;
2409 if( config.dropshadow < 0 )
2410 fuzz1 += config.dropshadow;
2412 fuzz2 += config.dropshadow;
2413 fuzz = fuzz2 - fuzz1;
2416 if( config.size <= 0 || config.size >= 2048 )
2418 if( config.stroke_width < 0 || config.stroke_width >= 512 )
2419 config.stroke_width = 0.0;
2420 if( !config.wlen && !config.timecode )
2422 if( !strlen(config.encoding) )
2423 strcpy(config.encoding, DEFAULT_ENCODING);
2425 // Always synthesize text and redraw it for timecode
2426 if( config.timecode ) {
2427 int64_t rendered_frame = get_source_position();
2428 if( get_direction() == PLAY_REVERSE )
2429 rendered_frame -= 1;
2431 char text[BCTEXTLEN];
2433 (double)rendered_frame / PluginVClient::project_frame_rate,
2434 config.timecode_format,
2435 PluginVClient::get_project_samplerate(),
2436 PluginVClient::get_project_framerate(),
2438 config.to_wtext(config.encoding, text, strlen(text)+1);
2439 need_reconfigure = 1;
2442 if( config.background )
2445 // Handle reconfiguration
2446 if( need_reconfigure ) {
2447 need_reconfigure = 0;
2449 result = init_freetype();
2452 result = get_text();
2457 result = draw_text(get_visible_text());
2460 // Overlay mask on output
2470 void TitleMain::update_gui()
2473 int reconfigure = load_configuration();
2475 TitleWindow *window = (TitleWindow*)thread->window;
2476 window->lock_window("TitleMain::update_gui");
2478 window->unlock_window();
2479 window->color_thread->update_gui(config.color, 0);
2484 int TitleMain::load_configuration()
2486 KeyFrame *prev_keyframe, *next_keyframe;
2487 prev_keyframe = get_prev_keyframe(get_source_position());
2488 next_keyframe = get_next_keyframe(get_source_position());
2490 TitleConfig old_config, prev_config, next_config;
2491 old_config.copy_from(config);
2492 read_data(prev_keyframe);
2493 prev_config.copy_from(config);
2494 read_data(next_keyframe);
2495 next_config.copy_from(config);
2497 config.prev_keyframe_position = prev_keyframe->position;
2498 config.next_keyframe_position = next_keyframe->position;
2500 // if no previous keyframe exists, it should be start of the plugin, not start of the track
2501 if( config.next_keyframe_position == config.prev_keyframe_position )
2502 config.next_keyframe_position = get_source_start() + get_total_len();
2503 if( config.prev_keyframe_position == 0 )
2504 config.prev_keyframe_position = get_source_start();
2505 // printf("TitleMain::load_configuration 10 %d %d\n",
2506 // config.prev_keyframe_position,
2507 // config.next_keyframe_position);
2509 config.interpolate(prev_config,
2511 (next_keyframe->position == prev_keyframe->position) ?
2512 get_source_position() :
2513 prev_keyframe->position,
2514 (next_keyframe->position == prev_keyframe->position) ?
2515 get_source_position() + 1 :
2516 next_keyframe->position,
2517 get_source_position());
2519 if( !config.equivalent(old_config) )
2525 void TitleMain::save_data(KeyFrame *keyframe)
2529 output.set_shared_output(keyframe->get_data(), MESSAGESIZE);
2530 output.tag.set_title("TITLE");
2531 output.tag.set_property("FONT", config.font);
2532 output.tag.set_property("ENCODING", config.encoding);
2533 output.tag.set_property("STYLE", (int64_t)config.style);
2534 output.tag.set_property("SIZE", config.size);
2535 output.tag.set_property("COLOR", config.color);
2536 output.tag.set_property("ALPHA", config.alpha);
2537 output.tag.set_property("OUTLINE_SIZE", config.outline_size);
2538 output.tag.set_property("OUTLINE_COLOR", config.outline_color);
2539 output.tag.set_property("OUTLINE_ALPHA", config.outline_alpha);
2540 output.tag.set_property("COLOR_STROKE", config.color_stroke);
2541 output.tag.set_property("STROKE_WIDTH", config.stroke_width);
2542 output.tag.set_property("MOTION_STRATEGY", config.motion_strategy);
2543 output.tag.set_property("LOOP", config.loop);
2544 output.tag.set_property("LINE_PITCH", config.line_pitch);
2545 output.tag.set_property("PIXELS_PER_SECOND", config.pixels_per_second);
2546 output.tag.set_property("HJUSTIFICATION", config.hjustification);
2547 output.tag.set_property("VJUSTIFICATION", config.vjustification);
2548 output.tag.set_property("FADE_IN", config.fade_in);
2549 output.tag.set_property("FADE_OUT", config.fade_out);
2550 output.tag.set_property("TITLE_X", config.title_x);
2551 output.tag.set_property("TITLE_Y", config.title_y);
2552 output.tag.set_property("TITLE_W", config.title_w);
2553 output.tag.set_property("TITLE_H", config.title_h);
2554 output.tag.set_property("DROPSHADOW", config.dropshadow);
2555 output.tag.set_property("TIMECODE", config.timecode);
2556 output.tag.set_property("TIMECODEFORMAT", config.timecode_format);
2557 output.tag.set_property("WINDOW_W", config.window_w);
2558 output.tag.set_property("WINDOW_H", config.window_h);
2559 output.tag.set_property("DRAG", config.drag);
2560 output.tag.set_property("BACKGROUND", config.background);
2561 output.tag.set_property("BACKGROUND_PATH", config.background_path);
2562 output.tag.set_property("LOOP_PLAYBACK", config.loop_playback);
2563 output.append_tag();
2564 output.append_newline();
2565 char text[BCTEXTLEN];
2566 int text_len = BC_Resources::encode(
2567 BC_Resources::wide_encoding, DEFAULT_ENCODING,
2568 (char*)config.wtext, config.wlen*sizeof(wchar_t),
2569 text, sizeof(text));
2570 output.append_text(text, text_len);
2571 output.tag.set_title("/TITLE");
2572 output.append_tag();
2573 output.append_newline();
2574 output.terminate_string();
2575 //printf("TitleMain::save_data 1\n%s\n", output.string);
2576 //printf("TitleMain::save_data 2\n%s\n", config.text);
2579 void TitleMain::read_data(KeyFrame *keyframe)
2583 input.set_shared_input(keyframe->get_data(), strlen(keyframe->get_data()));
2587 config.prev_keyframe_position = keyframe->position;
2590 result = input.read_tag();
2593 if( input.tag.title_is("TITLE") ) {
2594 input.tag.get_property("FONT", config.font);
2595 input.tag.get_property("ENCODING", config.encoding);
2596 config.style = input.tag.get_property("STYLE", (int64_t)config.style);
2597 config.size = input.tag.get_property("SIZE", config.size);
2598 config.color = input.tag.get_property("COLOR", config.color);
2599 config.alpha = input.tag.get_property("ALPHA", config.alpha);
2600 config.outline_size = input.tag.get_property("OUTLINE_SIZE", config.outline_size);
2601 config.outline_color = input.tag.get_property("OUTLINE_COLOR", config.outline_color);
2602 config.outline_alpha = input.tag.get_property("OUTLINE_ALPHA", config.outline_alpha);
2603 config.color_stroke = input.tag.get_property("COLOR_STROKE", config.color_stroke);
2604 config.stroke_width = input.tag.get_property("STROKE_WIDTH", config.stroke_width);
2605 config.motion_strategy = input.tag.get_property("MOTION_STRATEGY", config.motion_strategy);
2606 config.loop = input.tag.get_property("LOOP", config.loop);
2607 config.line_pitch = input.tag.get_property("LINE_PITCH", config.line_pitch);
2608 config.pixels_per_second = input.tag.get_property("PIXELS_PER_SECOND", config.pixels_per_second);
2609 config.hjustification = input.tag.get_property("HJUSTIFICATION", config.hjustification);
2610 config.vjustification = input.tag.get_property("VJUSTIFICATION", config.vjustification);
2611 config.fade_in = input.tag.get_property("FADE_IN", config.fade_in);
2612 config.fade_out = input.tag.get_property("FADE_OUT", config.fade_out);
2613 config.title_x = input.tag.get_property("TITLE_X", config.title_x);
2614 config.title_y = input.tag.get_property("TITLE_Y", config.title_y);
2615 config.title_w = input.tag.get_property("TITLE_W", config.title_w);
2616 config.title_h = input.tag.get_property("TITLE_H", config.title_h);
2617 config.dropshadow = input.tag.get_property("DROPSHADOW", config.dropshadow);
2618 config.timecode = input.tag.get_property("TIMECODE", config.timecode);
2619 config.timecode_format = input.tag.get_property("TIMECODEFORMAT", config.timecode_format);
2620 config.window_w = input.tag.get_property("WINDOW_W", config.window_w);
2621 config.window_h = input.tag.get_property("WINDOW_H", config.window_h);
2622 config.drag = input.tag.get_property("DRAG", config.drag);
2623 config.background = input.tag.get_property("BACKGROUND", config.background);
2624 input.tag.get_property("BACKGROUND_PATH", config.background_path);
2625 config.loop_playback = input.tag.get_property("LOOP_PLAYBACK", config.loop_playback);
2626 const char *text = input.read_text();
2627 config.to_wtext(config.encoding, text, strlen(text)+1);
2629 else if( input.tag.title_is("/TITLE") ) {
2635 void TitleMain::insert_text(const char *txt, int pos)
2637 int ilen = strlen(txt);
2638 wchar_t *wtext = config.wtext;
2639 int wsize = sizeof(config.wtext)-1;
2640 int wlen = config.wlen;
2641 if( pos < 0 ) pos = 0;
2642 if( pos > wlen ) pos = wlen;
2644 for( int i=wlen-1, j=wlen+ilen-1; i>=pos; --i,--j ) {
2645 if( j >= wsize ) continue;
2646 wtext[j] = wtext[i];
2648 for( int i=pos, j=0; j<ilen; ++i,++j ) {
2649 if( i >= wsize ) break;
2653 if( (wlen+=ilen) > wsize ) wlen = wsize;