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>
29 #include "bccmodels.h"
30 #include "bcsignals.h"
35 #include "edlsession.h"
38 #include "filesystem.h"
39 #include "indexable.h"
46 #include "mwindow.inc"
47 #include "overlayframe.h"
49 #include "renderengine.h"
51 #include "titlerwindow.h"
52 #include "transportque.h"
54 #include "workarounds.h"
64 #include <fontconfig/fontconfig.h>
66 #define FIXED_FONT "bitstream vera sans mono (bitstream)"
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 static inline int kw_strcmp(const char *ap, const char *bp) {
82 return !strcmp(ap, bp) ? 0 : strcmp(ap,_(bp));
85 TitleConfig::TitleConfig()
87 strcpy(font, "fixed");
88 strcpy(encoding, DEFAULT_ENCODING);
94 outline_color = WHITE;
96 color_stroke = 0xff0000;
98 motion_strategy = NO_MOTION;
101 hjustification = JUSTIFY_CENTER;
102 vjustification = JUSTIFY_MID;
103 fade_in = 0.0; fade_out = 0.0;
104 pixels_per_second = 100.0;
105 wtext[0] = 0; wlen = 0;
106 title_x = title_y = 0.0;
107 title_w = title_h = 0;
110 next_keyframe_position = 0;
111 prev_keyframe_position = 0;
115 strcpy(background_path, "");
116 timecode_format = DEFAULT_TIMECODEFORMAT;
121 TitleConfig::~TitleConfig()
125 int TitleConfig::equivalent(TitleConfig &that)
127 return !strcasecmp(font, that.font) &&
128 !strcasecmp(encoding, that.encoding) &&
129 style == that.style &&
131 color == that.color &&
132 alpha == that.alpha &&
133 outline_size == that.outline_size &&
134 outline_color == that.outline_color &&
135 outline_alpha == that.outline_alpha &&
136 color_stroke == that.color_stroke &&
137 stroke_width == that.stroke_width &&
138 // dont require redraw for these
139 // motion_strategy == that.motion_strategy &&
140 line_pitch == that.line_pitch &&
141 // loop == that.loop &&
142 hjustification == that.hjustification &&
143 vjustification == that.vjustification &&
144 // fade_in == that.fade_in && fade_out == that.fade_out &&
145 // EQUIV(pixels_per_second, that.pixels_per_second) &&
147 !memcmp(wtext, that.wtext, wlen * sizeof(wchar_t)) &&
148 // title_x == that.title_x && title_y == that.title_y &&
149 title_w == that.title_w && title_h == that.title_h &&
150 // window_w == that.window_w && window_h == that.window_h &&
151 timecode == that.timecode &&
152 dropshadow == that.dropshadow &&
153 background == that.background &&
154 !strcmp(background_path, that.background_path) &&
155 timecode_format == that.timecode_format &&
156 // drag == that.drag &&
157 loop_playback == that.loop_playback;
160 void TitleConfig::copy_from(TitleConfig &that)
162 strcpy(font, that.font);
163 strcpy(encoding, that.encoding);
168 outline_size = that.outline_size;
169 outline_color = that.outline_color;
170 outline_alpha = that.outline_alpha;
171 color_stroke = that.color_stroke;
172 stroke_width = that.stroke_width;
173 motion_strategy = that.motion_strategy;
174 line_pitch = that.line_pitch;
176 hjustification = that.hjustification;
177 vjustification = that.vjustification;
178 fade_in = that.fade_in;
179 fade_out = that.fade_out;
180 pixels_per_second = that.pixels_per_second;
182 memcpy(wtext, that.wtext, that.wlen * sizeof(wchar_t));
183 title_x = that.title_x; title_y = that.title_y;
184 title_w = that.title_w; title_h = that.title_h;
185 window_w = that.window_w; window_h = that.window_h;
186 timecode = that.timecode;
187 dropshadow = that.dropshadow;
188 background = that.background;
189 strcpy(background_path, that.background_path);
190 timecode_format = that.timecode_format;
192 loop_playback = that.loop_playback;
195 void TitleConfig::interpolate(TitleConfig &prev, TitleConfig &next,
196 int64_t prev_frame, int64_t next_frame, int64_t current_frame)
198 double next_scale = (double)(current_frame - prev_frame) / (next_frame - prev_frame);
199 double prev_scale = (double)(next_frame - current_frame) / (next_frame - prev_frame);
200 strcpy(font, prev.font);
201 strcpy(encoding, prev.encoding);
206 outline_size = prev.outline_size;
207 outline_color = prev.outline_color;
208 outline_alpha = prev.outline_alpha;
209 color_stroke = prev.color_stroke;
210 stroke_width = prev.stroke_width;
211 motion_strategy = prev.motion_strategy;
212 line_pitch = prev.line_pitch;
214 hjustification = prev.hjustification;
215 vjustification = prev.vjustification;
216 fade_in = prev.fade_in;
217 fade_out = prev.fade_out;
218 pixels_per_second = prev.pixels_per_second;
220 memcpy(wtext, prev.wtext, prev.wlen * sizeof(wchar_t));
222 this->title_x = prev.title_x == next.title_x ? prev.title_x :
223 prev.title_x * prev_scale + next.title_x * next_scale;
224 this->title_y = prev.title_y == next.title_y ? prev.title_y :
225 prev.title_y * prev_scale + next.title_y * next_scale;
226 this->title_w = prev.title_w == next.title_w ? prev.title_w :
227 prev.title_w * prev_scale + next.title_w * next_scale;
228 this->title_h = prev.title_h == next.title_h ? prev.title_h :
229 prev.title_h * prev_scale + next.title_h * next_scale;
230 window_w = prev.window_w;
231 window_h = prev.window_h;
232 timecode = prev.timecode;
233 this->dropshadow = prev.dropshadow == next.dropshadow ? prev.dropshadow :
234 prev.dropshadow * prev_scale + next.dropshadow * next_scale;
235 background = prev.background;
236 strcpy(background_path, prev.background_path);
237 timecode_format = prev.timecode_format;
239 loop_playback = prev.loop_playback;
242 void TitleConfig::to_wtext(const char *from_enc, const char *text, int tlen)
244 wlen = BC_Resources::encode(from_enc, BC_Resources::wide_encoding,
245 (char*)text,tlen, (char *)wtext,sizeof(wtext)) / sizeof(wchar_t);
246 while( wlen > 0 && !wtext[wlen-1] ) --wlen;
250 TitleGlyph::TitleGlyph()
269 TitleGlyph::~TitleGlyph()
271 //printf("TitleGlyph::~TitleGlyph 1\n");
272 if( data ) delete data;
273 if( data_stroke ) delete data_stroke;
277 GlyphPackage::GlyphPackage() : LoadPackage()
282 GlyphUnit::GlyphUnit(TitleMain *plugin, GlyphEngine *server)
285 this->plugin = plugin;
286 freetype_library = 0;
290 GlyphUnit::~GlyphUnit()
292 if( freetype_library )
293 ft_Done_FreeType(freetype_library);
296 static inline void to_mono(VFrame *data)
299 int w = data->get_w(), h = data->get_h();
300 uint8_t **rows = data->get_rows();
301 for( int y=0; y<h; ++y ) {
302 uint8_t *dp = rows[y];
303 for( int x=0; x<w; ++x,++dp ) *dp = *dp >= 0x80 ? 0xff : 0;
307 void GlyphUnit::process_package(LoadPackage *package)
309 GlyphPackage *pkg = (GlyphPackage*)package;
310 TitleGlyph *glyph = pkg->glyph;
311 BC_Resources *resources = BC_WindowBase::get_resources();
312 if( resources->font_debug )
313 printf("GlyphUnit load glyph (%s) %04x, '%c'\n", glyph->font->displayname,
314 (unsigned)glyph->char_code, (unsigned)glyph->char_code);
316 char new_path[BCTEXTLEN];
317 if( plugin->load_freetype_face(freetype_library, freetype_face, glyph->font->path) ) {
318 printf(_("GlyphUnit::process_package FT_New_Face failed, path=%s\n"),
323 int gindex = ft_Get_Char_Index(freetype_face, glyph->char_code);
324 if( !gindex && !freetype_face->charmap && // if no default charmap
325 freetype_face->charmaps && freetype_face->charmaps[0] &&
326 !ft_Select_Charmap(freetype_face, freetype_face->charmaps[0]->encoding) ) {
327 gindex = ft_Get_Char_Index(freetype_face, glyph->char_code);
330 printf("GlyphUnit::process_package 1 glyph not found (%s) %04x, '%c'\n",
331 glyph->font->displayname, (unsigned)glyph->char_code, (unsigned)glyph->char_code);
332 // Search replacement font
333 if( resources->find_font_by_char(glyph->char_code, new_path, freetype_face) ) {
334 plugin->load_freetype_face(freetype_library,
335 freetype_face, new_path);
336 gindex = ft_Get_Char_Index(freetype_face, glyph->char_code);
339 ft_Set_Pixel_Sizes(freetype_face, glyph->size, 0);
343 if( glyph->char_code != 10 )
344 printf(_("GlyphUnit::process_package FT_Load_Char failed - char: %li.\n"),
346 // Prevent a crash here
347 glyph->width = 8; glyph->height = 8;
348 glyph->pitch = 8; glyph->advance_x = 8;
349 glyph->left = 9; glyph->top = 9;
350 glyph->right = 0; glyph->bottom = 0;
351 glyph->freetype_index = 0;
352 glyph->data = new VFrame(glyph->width, glyph->height, BC_A8, glyph->pitch);
353 glyph->data->clear_frame();
354 glyph->data_stroke = 0;
356 // create outline glyph
357 if( plugin->config.stroke_width >= SMALL &&
358 (plugin->config.style & BC_FONT_OUTLINE) ) {
359 glyph->data_stroke = new VFrame(glyph->width, glyph->height, BC_A8, glyph->pitch);
360 glyph->data_stroke->clear_frame();
363 // char found and no outline desired
364 else if( plugin->config.stroke_width < SMALL ||
365 !(plugin->config.style & BC_FONT_OUTLINE) ) {
366 FT_Glyph glyph_image;
369 ft_Load_Glyph(freetype_face, gindex, FT_LOAD_DEFAULT);
370 ft_Get_Glyph(freetype_face->glyph, &glyph_image);
371 ft_Outline_Get_BBox(&((FT_OutlineGlyph) glyph_image)->outline, &bbox);
372 // printf("Stroke: Xmin: %ld, Xmax: %ld, Ymin: %ld, yMax: %ld\n",
373 // bbox.xMin,bbox.xMax, bbox.yMin, bbox.yMax);
375 glyph->width = bm.width = ((bbox.xMax - bbox.xMin + 63) >> 6);
376 glyph->height = bm.rows = ((bbox.yMax - bbox.yMin + 63) >> 6);
377 glyph->pitch = bm.pitch = bm.width;
378 bm.pixel_mode = FT_PIXEL_MODE_GRAY;
380 glyph->left = (bbox.xMin + 31) >> 6;
381 glyph->top = (bbox.yMax + 31) >> 6;
382 glyph->right = (bbox.xMax + 31) >> 6;
383 glyph->bottom = (bbox.yMin + 31) >> 6;
384 glyph->freetype_index = gindex;
385 glyph->advance_x = ((freetype_face->glyph->advance.x + 31) >> 6);
386 //printf("GlyphUnit::process_package 1 width=%d height=%d pitch=%d left=%d top=%d advance_x=%d freetype_index=%d\n",
387 //glyph->width, glyph->height, glyph->pitch, glyph->left, glyph->top, glyph->advance_x, glyph->freetype_index);
389 glyph->data = new VFrame(glyph->width, glyph->height, BC_A8, glyph->pitch);
390 glyph->data->clear_frame();
391 bm.buffer = glyph->data->get_data();
392 ft_Outline_Translate(&((FT_OutlineGlyph) glyph_image)->outline,
393 - bbox.xMin, - bbox.yMin);
394 ft_Outline_Get_Bitmap( freetype_library,
395 &((FT_OutlineGlyph) glyph_image)->outline,
397 ft_Done_Glyph(glyph_image);
400 // Outline desired and glyph found
401 FT_Glyph glyph_image;
406 FT_UInt npoints, ncontours;
408 ft_Load_Glyph(freetype_face, gindex, FT_LOAD_DEFAULT);
409 ft_Get_Glyph(freetype_face->glyph, &glyph_image);
411 // check if the outline is ok (non-empty);
412 ft_Outline_Get_BBox(&((FT_OutlineGlyph) glyph_image)->outline, &bbox);
413 if( bbox.xMin == 0 && bbox.xMax == 0 &&
414 bbox.yMin == 0 && bbox.yMax == 0 ) {
415 ft_Done_Glyph(glyph_image);
416 glyph->width = 0; glyph->height = 0;
417 glyph->left = 0; glyph->top = 0;
418 glyph->right = 0; glyph->bottom = 0;
421 new VFrame(glyph->width, glyph->height, BC_A8, glyph->pitch);
423 new VFrame(glyph->width, glyph->height, BC_A8, glyph->pitch);
424 glyph->advance_x =((int)(freetype_face->glyph->advance.x +
425 plugin->config.stroke_width * 64)) >> 6;
428 #if FREETYPE_MAJOR > 2 || (FREETYPE_MAJOR == 2 && FREETYPE_MINOR >= 2)
429 ft_Stroker_New(freetype_library, &stroker);
431 ft_Stroker_New(((FT_LibraryRec *)freetype_library)->memory, &stroker);
433 ft_Stroker_Set(stroker, (int)(plugin->config.stroke_width * 64),
434 FT_STROKER_LINECAP_ROUND, FT_STROKER_LINEJOIN_ROUND, 0);
435 ft_Stroker_ParseOutline(stroker, &((FT_OutlineGlyph) glyph_image)->outline,1);
436 ft_Stroker_GetCounts(stroker,&npoints, &ncontours);
437 if( npoints == 0 && ncontours == 0 ) {
438 // this never happens, but FreeType has a bug regarding Linotype's Palatino font
439 ft_Stroker_Done(stroker);
440 ft_Done_Glyph(glyph_image);
441 glyph->width = 0; glyph->height = 0;
442 glyph->left = 0; glyph->top = 0;
443 glyph->right = 0; glyph->bottom = 0;
446 new VFrame(glyph->width, glyph->height, BC_A8, glyph->pitch);
448 new VFrame(glyph->width, glyph->height, BC_A8, glyph->pitch);
449 glyph->advance_x =((int)(freetype_face->glyph->advance.x +
450 plugin->config.stroke_width * 64)) >> 6;
454 ft_Outline_New(freetype_library, npoints, ncontours, &outline);
456 outline.n_contours=0;
457 ft_Stroker_Export(stroker, &outline);
458 ft_Outline_Get_BBox(&outline, &bbox);
459 ft_Outline_Translate(&outline, - bbox.xMin, - bbox.yMin);
460 ft_Outline_Translate(&((FT_OutlineGlyph) glyph_image)->outline,
462 - bbox.yMin + (int)(plugin->config.stroke_width*32));
463 // printf("Stroke: Xmin: %ld, Xmax: %ld, Ymin: %ld, yMax: %ld\n"
464 // "Fill Xmin: %ld, Xmax: %ld, Ymin: %ld, yMax: %ld\n",
465 // bbox.xMin,bbox.xMax, bbox.yMin, bbox.yMax,
466 // bbox_fill.xMin,bbox_fill.xMax, bbox_fill.yMin, bbox_fill.yMax);
468 glyph->width = bm.width = ((bbox.xMax - bbox.xMin) >> 6)+1;
469 glyph->height = bm.rows = ((bbox.yMax - bbox.yMin) >> 6) +1;
470 glyph->pitch = bm.pitch = bm.width;
471 bm.pixel_mode = FT_PIXEL_MODE_GRAY;
473 glyph->left = (bbox.xMin + 31) >> 6;
474 glyph->top = (bbox.yMax + 31) >> 6;
475 glyph->right = (bbox.xMax + 31) >> 6;
476 glyph->bottom = (bbox.yMin + 31) >> 6;
477 glyph->freetype_index = gindex;
478 int real_advance = ((int)ceil((float)freetype_face->glyph->advance.x +
479 plugin->config.stroke_width * 64) >> 6);
480 glyph->advance_x = glyph->width + glyph->left;
481 if( real_advance > glyph->advance_x )
482 glyph->advance_x = real_advance;
483 //printf("GlyphUnit::process_package 1 width=%d height=%d "
484 // "pitch=%d left=%d top=%d advance_x=%d freetype_index=%d\n",
485 // glyph->width, glyph->height, glyph->pitch, glyph->left,
486 // glyph->top, glyph->advance_x, glyph->freetype_index);
489 //printf("GlyphUnit::process_package 1\n");
490 glyph->data = new VFrame(glyph->width, glyph->height, BC_A8, glyph->pitch);
491 glyph->data->clear_frame();
492 glyph->data_stroke = new VFrame(glyph->width, glyph->height, BC_A8, glyph->pitch);
493 glyph->data_stroke->clear_frame();
494 // for debugging memset( glyph->data_stroke->get_data(), 60, glyph->pitch * glyph->height);
495 bm.buffer=glyph->data->get_data();
496 ft_Outline_Get_Bitmap( freetype_library,
497 &((FT_OutlineGlyph) glyph_image)->outline,
499 bm.buffer=glyph->data_stroke->get_data();
500 ft_Outline_Get_Bitmap( freetype_library,
503 ft_Outline_Done(freetype_library,&outline);
504 ft_Stroker_Done(stroker);
505 ft_Done_Glyph(glyph_image);
507 //printf("GlyphUnit::process_package 2\n");
510 if( !(glyph->style & FONT_ALIAS) ) {
511 to_mono(glyph->data);
512 to_mono(glyph->data_stroke);
518 GlyphEngine::GlyphEngine(TitleMain *plugin, int cpus)
519 : LoadServer(cpus, cpus)
521 this->plugin = plugin;
524 void GlyphEngine::init_packages()
526 int current_package = 0;
527 for( int i=0; i<plugin->title_glyphs.count(); ++i ) {
528 if( !plugin->title_glyphs[i]->data ) {
529 GlyphPackage *pkg = (GlyphPackage*)get_package(current_package++);
530 pkg->glyph = plugin->title_glyphs[i];
535 LoadClient* GlyphEngine::new_client()
537 return new GlyphUnit(plugin, this);
540 LoadPackage* GlyphEngine::new_package()
542 return new GlyphPackage;
546 // Copy a single character to the text mask
547 TitlePackage::TitlePackage()
555 TitleUnit::TitleUnit(TitleMain *plugin, TitleEngine *server)
558 this->plugin = plugin;
559 this->engine = server;
563 static void get_mask_colors(int rgb, int color_model, int &rr, int &gg, int &bb)
565 int r = 0xff & (rgb>>16), g = 0xff & (rgb>>8), b = 0xff & (rgb>>0);
566 if( BC_CModels::is_yuv(color_model) ) YUV::yuv.rgb_to_yuv_8(r,g,b);
567 rr = r; gg = g; bb = b;
570 void TitleUnit::draw_frame(int mode, VFrame *dst, VFrame *src, int x, int y)
572 int inp_w = src->get_w(), inp_h = src->get_h();
573 int out_w = dst->get_w(), out_h = dst->get_h();
574 unsigned char **inp_rows = src->get_rows();
575 unsigned char **out_rows = dst->get_rows();
577 int x_inp = 0, y_inp = 0;
579 if( x_out < 0 ) { x_inp = -x_out; x_out = 0; }
580 if( x_out+inp_w > out_w ) inp_w = out_w-x_out;
581 if( x_inp >= inp_w || x_out >= out_w ) return;
583 if( y_out < 0 ) { y_inp = -y_out; y_out = 0; }
584 if( y_out+inp_h > out_h ) inp_h = out_h-y_out;
585 if( y_inp >= inp_h || y_out >= out_h ) return;
586 int color = chr->color, max = 0xff;
587 int alpha = chr->alpha * chr->fade;
588 int ofs = BC_CModels::is_yuv(dst->get_color_model()) ? 0x80 : 0x00;
592 while( y_inp < inp_h && y_out < out_h ) {
593 uint8_t *inp = inp_rows[y_inp], *out = out_rows[y_out];
594 for( int xin=x_inp,xout=x_out*4+3; xin<inp_w; ++xin,xout+=4 ) {
595 out[xout] = STD_ALPHA(max, inp[xin], out[xout]);
601 int r = 0, g = 0, b = 0;
602 get_mask_colors(color, plugin->text_model, r, g, b);
603 while( y_inp < inp_h && y_out < out_h ) {
604 uint8_t *inp = inp_rows[y_inp], *out = out_rows[y_out];
605 for( int xin=x_inp,xout=x_out*4+0; xin<inp_w; ++xin,xout+=4 ) {
606 int in_a = inp[xin], out_a = out[xout+3];
607 if( in_a + out_a == 0 ) continue;
608 if( in_a >= out_a ) { // crayola for top draw
609 out[xout+0] = r; out[xout+1] = g; out[xout+2] = b;
610 out[xout+3] = alpha * in_a / max;
613 int i_r = r, i_g = g-ofs, i_b = b-ofs;
614 int o_r = out[xout+0], o_g = out[xout+1]-ofs, o_b = out[xout+2]-ofs;
615 out[xout+0] = COLOR_NORMAL(max, i_r, in_a, o_r, out_a);
616 out[xout+1] = COLOR_NORMAL(max, i_g, in_a, o_g, out_a) + ofs;
617 out[xout+2] = COLOR_NORMAL(max, i_b, in_a, o_b, out_a) + ofs;
618 out[xout+3] = alpha * STD_ALPHA(max, in_a, out_a) / max;
625 while( y_inp < inp_h && y_out < out_h ) {
626 uint8_t *inp = inp_rows[y_inp], *out = out_rows[y_out];
627 for( int xin=x_inp,xout=x_out*4+0; xin<inp_w; ++xin,xout+=4 ) {
629 int in_a = inp[xinp+3], out_a = out[xout+3];
630 if( in_a + out_a == 0 ) continue;
631 if( in_a >= out_a ) {
632 int i_r = inp[xinp+0], i_g = inp[xinp+1], i_b = inp[xinp+2];
633 out[xout+0] = i_r; out[xout+1] = i_g; out[xout+2] = i_b;
634 out[xout+3] = alpha * in_a / max;
637 int i_r = inp[xinp+0], i_g = inp[xinp+1]-ofs, i_b = inp[xinp+2]-ofs;
638 int o_r = out[xout+0], o_g = out[xout+1]-ofs, o_b = out[xout+2]-ofs;
639 out[xout+0] = COLOR_NORMAL(max, i_r, in_a, o_r, out_a);
640 out[xout+1] = COLOR_NORMAL(max, i_g, in_a, o_g, out_a) + ofs;
641 out[xout+2] = COLOR_NORMAL(max, i_b, in_a, o_b, out_a) + ofs;
642 out[xout+3] = alpha * STD_ALPHA(max, in_a, out_a) / max;
652 void TitleUnit::process_package(LoadPackage *package)
654 TitlePackage *pkg = (TitlePackage*)package;
655 int x = pkg->x, y = pkg->y;
659 VFrame *vframe = (VFrame *)chr->vp;
660 if( !vframe ) return;
661 draw_frame(DRAW_IMAGE, plugin->text_mask, vframe, x, y);
664 if( chr->wch == 0 || chr->wch == '\n') return;
665 TitleGlyph *glyph = (TitleGlyph *)chr->vp;
667 if( engine->do_dropshadow ) {
668 x += plugin->config.dropshadow;
669 y += plugin->config.dropshadow;
671 else if( plugin->config.dropshadow < 0 ) {
672 x -= plugin->config.dropshadow;
673 y -= plugin->config.dropshadow;
675 int mode = engine->do_dropshadow ? DRAW_ALPHA : DRAW_COLOR;
676 draw_frame(mode, plugin->text_mask, glyph->data, x, y);
677 if( plugin->config.stroke_width >= SMALL && (plugin->config.style & BC_FONT_OUTLINE) )
678 draw_frame(mode, plugin->stroke_mask, glyph->data_stroke, x, y);
683 TitleEngine::TitleEngine(TitleMain *plugin, int cpus)
684 : LoadServer(cpus, cpus)
686 this->plugin = plugin;
689 void TitleEngine::init_packages()
691 int current_package = 0;
692 for( int i=plugin->visible_char1; i<plugin->visible_char2; ++i ) {
693 TitlePackage *pkg = (TitlePackage*)get_package(current_package++);
694 TitleChar *chr = plugin->title_chars[i];
695 TitleRow *row = plugin->title_rows[chr->row];
697 pkg->x = row->x0 + chr->x - plugin->mask_x1;
698 pkg->y = row->y0 - chr->y - plugin->mask_y1;
699 //printf("draw '%c' at %d,%d\n",(int)pkg->chr->wch, pkg->x, pkg->y);
703 LoadClient* TitleEngine::new_client()
705 return new TitleUnit(plugin, this);
708 LoadPackage* TitleEngine::new_package()
710 return new TitlePackage;
714 // Copy a single character to the text mask
715 TitleOutlinePackage::TitleOutlinePackage()
721 TitleOutlineUnit::TitleOutlineUnit(TitleMain *plugin, TitleOutlineEngine *server)
724 this->plugin = plugin;
725 this->engine = server;
728 void TitleOutlineUnit::process_package(LoadPackage *package)
730 TitleOutlinePackage *pkg = (TitleOutlinePackage*)package;
731 int r = 0, g = 0, b = 0, outline_a = plugin->config.outline_alpha;
732 get_mask_colors(plugin->config.outline_color, plugin->mask_model, r, g, b);
734 unsigned char **outline_rows = plugin->outline_mask->get_rows();
735 unsigned char **text_rows = plugin->text_mask->get_rows();
736 int mask_w1 = plugin->text_mask->get_w()-1;
737 int mask_h1 = plugin->text_mask->get_h()-1;
738 int oln_sz = plugin->config.outline_size;
740 if( engine->pass == 0 ) {
741 // get max alpha under outline size macropixel
742 for( int y=pkg->y1, my=pkg->y2; y<my; ++y ) {
743 unsigned char *out_row = outline_rows[y];
744 int y1 = y - oln_sz, y2 = y + oln_sz;
745 CLAMP(y1, 0, mask_h1); CLAMP(y2, 0, mask_h1);
746 for( int x=0, mx=plugin->text_mask->get_w(); x<mx; ++x ) {
747 int x1 = x - oln_sz, x2 = x + oln_sz;
748 CLAMP(x1, 0, mask_w1); CLAMP(x2, 0, mask_w1);
750 for( int yy=y1; yy<=y2; ++yy ) {
751 unsigned char *text_row = text_rows[yy];
752 for( int xx = x1; xx <= x2; ++xx ) {
753 unsigned char *pixel = text_row + xx*4;
754 if( pixel[3] > max_a ) max_a = pixel[3];
757 unsigned char *out = out_row + x*4;
758 out[0] = r; out[1] = g; out[2] = b;
759 out[3] = (max_a * outline_a) / 0xff;
765 // Overlay text mask on top of outline mask
766 int ofs = BC_CModels::is_yuv(plugin->output->get_color_model()) ? 0x80 : 0;
767 for( int y=pkg->y1, my=pkg->y2; y<my; ++y ) {
768 unsigned char *outline_row = outline_rows[y];
769 unsigned char *text_row = text_rows[y];
770 for( int x=0, mx=plugin->text_mask->get_w(); x<mx; ++x ) {
771 unsigned char *out = text_row + x * 4;
772 unsigned char *inp = outline_row + x * 4;
773 int out_a = out[3], in_a = inp[3];
774 int transparency = in_a * (0xff - out_a) / 0xff;
775 out[0] = (out[0] * out_a + inp[0] * transparency) / 0xff;
776 out[1] = ((out[1]-ofs) * out_a + (inp[1]-ofs) * transparency) / 0xff + ofs;
777 out[2] = ((out[2]-ofs) * out_a + (inp[2]-ofs) * transparency) / 0xff + ofs;
778 out[3] = in_a + out_a - in_a*out_a / 0xff;
784 TitleOutlineEngine::TitleOutlineEngine(TitleMain *plugin, int cpus)
785 : LoadServer(cpus, cpus)
787 this->plugin = plugin;
790 void TitleOutlineEngine::init_packages()
792 int mask_h = plugin->text_mask->get_h();
793 if( !mask_h ) return;
794 int py1 = 0, py2 = 0;
795 int pkgs = get_total_packages();
796 for( int i=0; i<pkgs; py1=py2 ) {
797 TitleOutlinePackage *pkg = (TitleOutlinePackage*)get_package(i);
798 py2 = (++i * mask_h)/ pkgs;
799 pkg->y1 = py1; pkg->y2 = py2;
803 void TitleOutlineEngine::do_outline()
805 pass = 0; process_packages();
806 pass = 1; process_packages();
809 LoadClient* TitleOutlineEngine::new_client()
811 return new TitleOutlineUnit(plugin, this);
814 LoadPackage* TitleOutlineEngine::new_package()
816 return new TitleOutlinePackage;
820 TitleCurNudge::TitleCurNudge(TitleParser *parser, TitleMain *plugin)
821 : TitleStack<int>(parser, 0)
824 TitleCurColor::TitleCurColor(TitleParser *parser, TitleMain *plugin)
825 : TitleStack<int>(parser, plugin->config.color)
828 TitleCurAlpha::TitleCurAlpha(TitleParser *parser, TitleMain *plugin)
829 : TitleStack<int>(parser, plugin->config.alpha)
832 TitleCurSize::TitleCurSize(TitleParser *parser, TitleMain *plugin)
833 : TitleStack<float>(parser, plugin->config.size)
836 TitleCurBold::TitleCurBold(TitleParser *parser, TitleMain *plugin)
837 : TitleStack<int>(parser, (plugin->config.style & BC_FONT_BOLD) ? 1 : 0)
840 TitleCurItalic::TitleCurItalic(TitleParser *parser, TitleMain *plugin)
841 : TitleStack<int>(parser, (plugin->config.style & BC_FONT_ITALIC) ? 1 : 0)
844 TitleCurFont::TitleCurFont(TitleParser *parser, TitleMain *plugin)
845 : TitleStack<BC_FontEntry*>(parser, plugin->config_font())
848 TitleCurCaps::TitleCurCaps(TitleParser *parser, TitleMain *plugin)
849 : TitleStack<int>(parser, 0)
852 TitleCurUnder::TitleCurUnder(TitleParser *parser, TitleMain *plugin)
853 : TitleStack<int>(parser, 0)
856 TitleCurBlink::TitleCurBlink(TitleParser *parser, TitleMain *plugin)
857 : TitleStack<float>(parser, 0)
860 TitleCurFixed::TitleCurFixed(TitleParser *parser, TitleMain *plugin)
861 : TitleStack<int>(parser, 0)
864 TitleCurAlias::TitleCurAlias(TitleParser *parser, TitleMain *plugin)
865 : TitleStack<int>(parser, (plugin->config.style & FONT_ALIAS) ? 1 : 0)
868 TitleCurSuper::TitleCurSuper(TitleParser *parser, TitleMain *plugin)
869 : TitleStack<int>(parser, 0)
873 TitleParser::TitleParser(TitleMain *plugin)
875 cur_nudge(this, plugin),
876 cur_color(this, plugin),
877 cur_alpha(this, plugin),
878 cur_size(this, plugin),
879 cur_bold(this, plugin),
880 cur_italic(this, plugin),
881 cur_font(this, plugin),
882 cur_caps(this, plugin),
883 cur_under(this, plugin),
884 cur_blink(this, plugin),
885 cur_fixed(this, plugin),
886 cur_alias(this, plugin),
887 cur_super(this, plugin)
889 bfr = out = plugin->config.wtext;
890 lmt = bfr + plugin->config.wlen;
893 TitleMain::TitleMain(PluginServer *server)
894 : PluginVClient(server)
903 freetype_library = 0;
906 window_w = window_h = 0;
907 title_x = title_y = 0;
908 title_w = title_h = 0;
910 text_x = text_y = 0; mask_w = mask_h = 0;
911 mask_x1 = mask_y1 = mask_x2 = mask_y2 = 0;
913 visible_row1 = visible_char1 = 0;
914 visible_row2 = visible_char2 = 0;
916 input = 0; output = 0;
917 output_model = BC_RGBA8888;
918 mask_model = BC_RGBA8888;
919 background = 0; bg_file = 0; bg_frame = 0;
920 render_engine = 0; video_cache = 0;
922 cpus = PluginClient::smp + 1;
923 if( cpus > 8 ) cpus = 8;
925 need_reconfigure = 1;
928 TitleMain::~TitleMain()
931 background->Garbage::remove_user();
934 delete render_engine;
936 delete overlay_frame;
945 ft_Done_Face(freetype_face);
946 if( freetype_library )
947 ft_Done_FreeType(freetype_library);
949 delete outline_engine;
952 const char* TitleMain::plugin_title() { return N_("Title"); }
953 int TitleMain::is_realtime() { return 1; }
954 int TitleMain::is_synthesis() { return 1; }
956 NEW_WINDOW_MACRO(TitleMain, TitleWindow);
959 void TitleMain::build_previews(TitleWindow *gui)
961 BC_Resources *resources = BC_WindowBase::get_resources();
962 ArrayList<BC_FontEntry*>&fonts = *resources->fontlist;
964 for( int font_number=0; font_number<fonts.size(); ++font_number ) {
965 BC_FontEntry *font = fonts.get(font_number);
966 // already have examples
967 if( font->image ) return;
970 // create example bitmaps
971 FT_Library freetype_library = 0; // Freetype library
972 FT_Face freetype_face = 0;
973 const char *test_string = "Aa";
974 char new_path[BCTEXTLEN];
975 int text_height = gui->get_text_height(LARGEFONT);
976 int max_height = 3*text_height/2, max_width = 2 * max_height;
977 int text_color = resources->default_text_color;
978 int r = (text_color >> 16) & 0xff;
979 int g = (text_color >> 8) & 0xff;
980 int b = text_color & 0xff;
981 // dimensions for each line
982 int height[fonts.size()];
983 int ascent[fonts.size()];
985 // pass 1 gets the extents for all the fonts
986 // pass 2 draws the image
989 for( int pass=0; pass<2; ++pass ) {
990 if( resources->font_debug )
991 printf("Titler: build previews pass %d\n",pass);
992 //printf("TitleMain::build_previews %d %d %d\n",
993 //__LINE__, text_height, total_h);
994 for( int font_number=0; font_number<fonts.size(); ++font_number ) {
995 BC_FontEntry *font = fonts[font_number];
996 // test if font of same name has been processed
998 for( int i=0; i<font_number; ++i ) {
999 if( !strcasecmp(fonts[i]->displayname, font->displayname) ) {
1001 font->image = new VFrame(*fonts[i]->image);
1008 if( skip ) continue;
1009 if( resources->font_debug )
1010 printf("Titler: preview %s = %s\n",font->displayname, font->path);
1012 font->image = new VFrame;
1013 font->image->set_use_shm(0);
1014 font->image->reallocate(0, -1, 0, 0, 0,
1015 total_w, total_h, BC_RGBA8888, -1);
1016 font->image->clear_frame();
1019 int current_w = 1, current_h = 1;
1020 int current_x = 0, current_ascent = 0;
1021 int len = strlen(test_string);
1023 for( int j=0; j<len; ++j ) {
1024 FT_ULong c = test_string[j];
1025 // memory leaks here are fatal
1026 // check_char_code_path(freetype_library,
1029 // (char *)new_path);
1030 strcpy(new_path, font->path);
1031 if( load_freetype_face(freetype_library, freetype_face, new_path)) continue;
1032 ft_Set_Pixel_Sizes(freetype_face, text_height, 0);
1033 if( ft_Load_Char(freetype_face, c, FT_LOAD_RENDER) ) continue;
1034 int glyph_w = freetype_face->glyph->bitmap.width;
1035 int glyph_h = freetype_face->glyph->bitmap.rows;
1036 if( glyph_h > max_height ) glyph_h = max_height;
1037 int glyph_a = freetype_face->glyph->advance.x >> 6;
1038 int glyph_t = freetype_face->glyph->bitmap_top;
1040 current_w = current_x + glyph_w;
1041 if( current_w > max_width ) current_w = max_width;
1042 if( total_w < current_w ) total_w = current_w;
1043 if( current_ascent < glyph_t ) current_ascent = glyph_t;
1044 if( current_h < glyph_h ) current_h = glyph_h;
1045 if( total_h < glyph_h ) total_h = glyph_h;
1048 // copy 1 row at a time, center vertically
1049 int out_y = (total_h-height[font_number])/2 + ascent[font_number]-glyph_t;
1050 if( out_y < 0 ) out_y = 0;
1051 for( int in_y = 0; in_y < glyph_h && out_y < total_h; ++in_y, ++out_y ) {
1052 unsigned char *in_row = freetype_face->glyph->bitmap.buffer +
1053 freetype_face->glyph->bitmap.pitch * in_y;
1054 int out_x = current_x;
1055 unsigned char *out_row = font->image->get_rows()[out_y] +
1058 for( int in_x = 0; in_x < glyph_w && out_x < total_w; ++in_x, ++out_x ) {
1059 *out_row = (*in_row * r +
1060 (0xff - *in_row) * *out_row) / 0xff; ++out_row;
1061 *out_row = (*in_row * g +
1062 (0xff - *in_row) * *out_row) / 0xff; ++out_row;
1063 *out_row = (*in_row * b +
1064 (0xff - *in_row) * *out_row) / 0xff; ++out_row;
1065 *out_row = MAX(*in_row, *out_row); ++out_row;
1070 current_x += glyph_a;
1072 height[font_number] = current_h;
1073 ascent[font_number] = current_ascent;
1077 if( freetype_library ) ft_Done_FreeType(freetype_library);
1081 //This checks if char_code is on the selected font, else it changes font to the first compatible //Akirad
1082 int TitleMain::check_char_code_path(FT_Library &freetype_library,
1083 char *path_old, FT_ULong &char_code, char *path_new)
1085 FT_Face temp_freetype_face;
1089 FcChar8 *file, *format;
1094 config = fcConfigGetCurrent();
1095 fcConfigSetRescanInterval(config, 0);
1097 pat = fcPatternCreate();
1098 os = fcObjectSetBuild( FC_FILE, FC_FONTFORMAT, (char *) 0);
1099 fs = fcFontList(config, pat, os);
1101 char tmpstring[BCTEXTLEN];
1102 int limit_to_truetype = 0; //if you want to limit search to truetype put 1
1103 if( !freetype_library ) ft_Init_FreeType(&freetype_library);
1104 if( !ft_New_Face(freetype_library, path_old, 0, &temp_freetype_face) ) {
1105 ft_Set_Pixel_Sizes(temp_freetype_face, 128, 0);
1106 int gindex = ft_Get_Char_Index(temp_freetype_face, char_code);
1107 if( gindex != 0 && char_code == 10 ) {
1108 strcpy(path_new, path_old);
1114 for( int i=0; fs && i<fs->nfont; ++i ) {
1115 font = fs->fonts[i];
1116 fcPatternGetString(font, FC_FONTFORMAT, 0, &format);
1117 if( strcmp((char *)format, "TrueType") && !limit_to_truetype ) continue;
1118 if( fcPatternGetString(font, FC_FILE, 0, &file) != FcResultMatch ) continue;
1119 sprintf(tmpstring, "%s", file);
1120 if( !ft_New_Face(freetype_library, tmpstring, 0, &temp_freetype_face) ) continue;
1121 ft_Set_Pixel_Sizes(temp_freetype_face, 128, 0);
1122 int gindex = ft_Get_Char_Index(temp_freetype_face, char_code);
1123 if( gindex != 0 && char_code == 10 ) {
1124 sprintf(path_new, "%s", tmpstring);
1132 if( fs ) fcFontSetDestroy(fs);
1133 if( temp_freetype_face ) ft_Done_Face(temp_freetype_face);
1134 temp_freetype_face = 0;
1137 strcpy(path_new, path_old);
1145 int TitleMain::load_freetype_face(FT_Library &freetype_library,
1146 FT_Face &freetype_face, const char *path)
1148 //printf("TitleMain::load_freetype_face 1\n");
1149 if( !freetype_library )
1150 ft_Init_FreeType(&freetype_library);
1152 ft_Done_Face(freetype_face);
1154 //printf("TitleMain::load_freetype_face 2\n");
1156 // Use freetype's internal function for loading font
1157 if( ft_New_Face(freetype_library, path, 0, &freetype_face) ) {
1158 fprintf(stderr, _("TitleMain::load_freetype_face %s failed.\n"), path);
1160 freetype_library = 0;
1166 int TitleMain::load_font(BC_FontEntry *font)
1168 if( !font || load_freetype_face(freetype_library,freetype_face, font->path) ) return 1;
1169 strcpy(text_font, font->displayname);
1174 Indexable *TitleMain::open_background(const char *filename)
1176 delete render_engine; render_engine = 0;
1177 delete video_cache; video_cache = 0;
1178 delete bg_file; bg_file = new File;
1180 Asset *asset = new Asset(filename);
1181 int result = bg_file->open_file(server->preferences, asset, 1, 0);
1182 if( result == FILE_OK ) return (Indexable *)asset;
1184 asset->Garbage::remove_user();
1185 delete bg_file; bg_file = 0;
1186 if( result != FILE_IS_XML ) return 0;
1189 if( xml_file.read_from_file(filename) ) return 0;
1190 EDL *nested_edl = new EDL;
1191 nested_edl->create_objects();
1192 nested_edl->set_path(filename);
1193 nested_edl->load_xml(&xml_file, LOAD_ALL);
1194 TransportCommand command;
1195 //command.command = audio_tracks ? NORMAL_FWD : CURRENT_FRAME;
1196 command.command = CURRENT_FRAME;
1197 command.get_edl()->copy_all(nested_edl);
1198 command.change_type = CHANGE_ALL;
1199 command.realtime = 0;
1200 render_engine = new RenderEngine(0, server->preferences, 0, 0);
1201 render_engine->set_vcache(video_cache = new CICache(server->preferences));
1202 render_engine->arm_command(&command);
1203 return (Indexable *)nested_edl;
1206 int TitleMain::read_background(VFrame *frame, int64_t position, int color_model)
1209 VFrame *iframe = frame;
1210 int bw = background->get_w(), bh = background->get_h();
1211 if( background->is_asset ) {
1212 Asset *asset = (Asset *)background;
1213 if( bw != asset->width || bh != asset->height )
1214 iframe = new_temp(asset->width, asset->height, color_model);
1215 int64_t source_position = (int64_t)(position *
1216 asset->frame_rate / project_frame_rate);
1217 if( config.loop_playback ) {
1218 int64_t loop_size = asset->get_video_frames();
1219 source_position -= (int64_t)(source_position / loop_size) * loop_size;
1222 bg_file->set_video_position(source_position, 0);
1223 result = bg_file->read_frame(iframe);
1227 EDL *nested_edl = (EDL *)background;
1228 if( color_model != nested_edl->session->color_model ||
1229 bw != nested_edl->session->output_w ||
1230 bh != nested_edl->session->output_h )
1232 nested_edl->session->output_w,
1233 nested_edl->session->output_h,
1234 nested_edl->session->color_model);
1235 int64_t source_position = (int64_t)(position *
1236 nested_edl->session->frame_rate / project_frame_rate);
1237 if( config.loop_playback ) {
1238 int64_t loop_size = nested_edl->get_video_frames();
1239 source_position -= (int64_t)(source_position / loop_size) * loop_size;
1241 if( render_engine->vrender )
1242 result = render_engine->vrender->process_buffer(iframe, source_position, 0);
1244 if( !result && iframe != frame )
1245 frame->transfer_from(iframe);
1249 void TitleMain::draw_background()
1252 if( strcmp(background->path, config.background_path) ) {
1254 background->Garbage::remove_user();
1263 if( !background && config.background_path[0] && !access(config.background_path,R_OK) )
1264 background = open_background(config.background_path);
1266 int bw = background->get_w(), bh = background->get_h();
1267 if( bg_frame && (bg_frame->get_w() != bw || bg_frame->get_h() != bh ||
1268 bg_frame->get_color_model() != output_model) ) {
1269 delete bg_frame; bg_frame = 0;
1272 bg_frame = new VFrame(bw, bh, output_model);
1273 int64_t position = get_source_position() - get_source_start();
1274 if( !read_background(bg_frame, position, output_model) ) {
1275 if( !overlay_frame )
1276 overlay_frame = new OverlayFrame(cpus);
1277 float in_x1 = 0, in_x2 = bg_frame->get_w();
1278 float in_y1 = 0, in_y2 = bg_frame->get_h();
1279 float out_x1 = config.title_x, out_x2 = out_x1 + title_w;
1280 float out_y1 = config.title_y, out_y2 = out_y1 + title_h;
1281 overlay_frame->overlay(output, bg_frame,
1282 in_x1,in_y1, in_x2,in_y2,
1283 out_x1,out_y1, out_x2,out_y2,
1284 1, TRANSFER_NORMAL, CUBIC_LINEAR);
1289 BC_FontEntry* TitleMain::get_font(const char *font_name, int style)
1291 if( !strcmp("fixed", font_name) )
1292 font_name = FIXED_FONT;
1293 int flavor = FL_WIDTH_MASK |
1294 ((style & BC_FONT_ITALIC) != 0 ? FL_SLANT_ITALIC | FL_SLANT_OBLIQUE : FL_SLANT_ROMAN) |
1295 ((style & BC_FONT_BOLD) != 0 ? FL_WEIGHT_BOLD | FL_WEIGHT_DEMIBOLD |
1296 FL_WEIGHT_EXTRABOLD| FL_WEIGHT_BLACK | FL_WEIGHT_EXTRABLACK :
1297 FL_WEIGHT_BOOK | FL_WEIGHT_NORMAL | FL_WEIGHT_MEDIUM |
1298 FL_WEIGHT_LIGHT | FL_WEIGHT_EXTRALIGHT | FL_WEIGHT_THIN);
1300 int mask = FL_WEIGHT_MASK | FL_SLANT_MASK | FL_WIDTH_MASK;
1302 BC_Resources *resources = BC_WindowBase::get_resources();
1303 BC_FontEntry *font = resources->find_fontentry(font_name, flavor, mask, style);
1304 if( font && strcmp(font_name, font->displayname) ) font = 0;
1307 BC_FontEntry* TitleMain::config_font()
1309 BC_FontEntry *font = get_font(config.font, config.style);
1310 if( !font || load_font(font) )
1311 load_font(font = get_font(FIXED_FONT,0));
1316 static inline bool is_ltr(wchar_t wch) { return iswalpha(wch); }
1317 static inline bool is_nbr(wchar_t wch) { return iswdigit(wch); }
1318 static inline bool is_ws(wchar_t wch) { return wch==' ' || wch=='\t'; }
1319 static inline bool is_idch(wchar_t wch) { return is_ltr(wch) || is_nbr(wch) || wch=='_'; }
1321 // return eof=-1, chr=0, opener=1, closer=2
1322 int TitleParser::wget(wchar_t &wch)
1324 wchar_t *wip = wid, *wtp = wtxt; *wip = 0; *wtp = 0;
1325 int ilen = sizeof(wid)/sizeof(wid[0]);
1326 int tlen = sizeof(wtxt)/sizeof(wtxt[0]);
1328 while( (ich=wnext()) >= 0 ) {
1330 if( (ich=wnext()) == '\n' ) continue;
1334 if( ich == '<' ) break;
1335 if( ich != '#' ) { wch = ich; return 0; }
1336 while( (ich=wnext()) >= 0 && ich != '\n' );
1337 if( ich < 0 ) break;
1339 if( ich < 0 ) return -1;
1340 int ret = 1; long pos = tell();
1341 if( (ich=wnext()) == '/' ) { ret = 2; ich = wnext(); }
1344 while( is_idch(ich=wnext()) )
1345 if( --ilen > 0 ) *wip++ = ich;
1348 while( is_ws(ich) ) ich = wnext();
1349 while( ich >= 0 && ich != '>' ) {
1350 if( ich == '\n' || ich == '<' ) { ich = -1; break; }
1351 if( ich == '\\' && (ich=wnext()) < 0 ) break;
1352 if( --tlen > 0 ) *wtp++ = ich;
1356 if( ich < 0 ) { ich = '<'; seek(pos); ret = 0; }
1360 int TitleParser::tget(wchar_t &wch)
1362 int ret = wget(wch);
1364 int wid_len = wcslen(wid)+1;
1365 BC_Resources::encode(
1366 BC_Resources::wide_encoding, plugin->config.encoding,
1367 (char*)wid,wid_len*sizeof(wid[0]), (char *)id,sizeof(id));
1368 int wtxt_len = wcslen(wtxt)+1;
1369 BC_Resources::encode(
1370 BC_Resources::wide_encoding, plugin->config.encoding,
1371 (char*)wtxt,wtxt_len*sizeof(wtxt[0]), (char *)text,sizeof(text));
1376 TitleGlyph *TitleMain::get_glyph(FT_ULong char_code, BC_FontEntry *font, int size, int style)
1378 for( int i=0, n=title_glyphs.count(); i<n; ++i ) {
1379 TitleGlyph *glyph = title_glyphs[i];
1380 if( glyph->char_code == char_code && glyph->font == font &&
1381 glyph->size == size && glyph->style == style )
1387 int TitleMain::get_width(TitleGlyph *cur, TitleGlyph *nxt)
1389 if( !cur || cur->char_code == '\n' ) return 0;
1390 int result = cur->advance_x;
1391 if( !nxt ) return result;
1393 if( !ft_Get_Kerning(freetype_face,
1394 cur->freetype_index, nxt->freetype_index,
1395 ft_kerning_default, &kerning) )
1396 result += (kerning.x >> 6);
1401 VFrame *TitleMain::get_image(const char *path)
1403 for( int i=0; i<title_images.count(); ++i ) {
1404 if( !strcmp(path, title_images[i]->path) )
1405 return title_images[i]->vframe;
1410 VFrame *TitleMain::add_image(const char *path)
1412 VFrame *vframe = get_image(path);
1413 if( !vframe && (vframe=VFramePng::vframe_png(path)) != 0 ) {
1414 if( vframe->get_color_model() != text_model ) {
1415 VFrame *frame = new VFrame(vframe->get_w(), vframe->get_h(),
1417 frame->transfer_from(vframe); delete vframe;
1420 title_images.append(new TitleImage(path, vframe));
1425 int TitleCurColor::set(const char *txt)
1427 #define BCOLOR(NM) { #NM, NM }
1428 static const struct { const char *name; int color; } colors[] = {
1429 BCOLOR(MNBLUE), BCOLOR(ORANGE), BCOLOR(BLOND),
1430 BCOLOR(MNGREY), BCOLOR(FGGREY), BCOLOR(FTGREY), BCOLOR(DKGREY),
1431 BCOLOR(LTGREY), BCOLOR(MEGREY), BCOLOR(DMGREY), BCOLOR(MDGREY),
1432 BCOLOR(LTPURPLE),BCOLOR(MEPURPLE),BCOLOR(MDPURPLE), BCOLOR(DKPURPLE),
1433 BCOLOR(LTCYAN), BCOLOR(MECYAN), BCOLOR(MDCYAN), BCOLOR(DKCYAN),
1434 BCOLOR(YELLOW), BCOLOR(LTYELLOW),BCOLOR(MEYELLOW), BCOLOR(MDYELLOW),
1435 BCOLOR(LTGREEN), BCOLOR(DKGREEN), BCOLOR(DKYELLOW), BCOLOR(LTPINK),
1436 BCOLOR(PINK), BCOLOR(LTBLUE), BCOLOR(DKBLUE),
1437 BCOLOR(RED), BCOLOR(GREEN), BCOLOR(BLUE),
1438 BCOLOR(BLACK), BCOLOR(WHITE),
1442 if( txt[0] == '#' ) {
1443 if( sscanf(&txt[1], "%x", &color) != 1 ) return 1;
1446 int i = sizeof(colors)/sizeof(colors[0]);
1447 while( --i >= 0 && strcasecmp(txt, colors[i].name) );
1448 if( i < 0 ) return 1;
1449 color = colors[i].color;
1453 color = parser->plugin->config.color;
1458 int TitleCurAlpha::set(const char *txt)
1461 parser->plugin->config.alpha :
1462 strtof(txt,(char**)&txt) * 255;
1464 if( *txt || alpha < 0 || alpha > 255 ) return 1;
1469 int TitleCurSize::set(const char *txt)
1473 size = parser->plugin->config.size;
1475 else if( *txt == '+' || *txt == '-' ) {
1477 for( int ch; (ch=*txt)!=0; ++txt ) {
1478 if( ch == '+' ) { size *= 5./4.; continue; }
1479 if( ch == '-' ) { size *= 4./5.; continue; }
1484 size = strtof(txt,(char**)&txt);
1486 if( *txt || size <= 0 || size > 2048 ) return 1;
1487 int style = parser->cur_font.style();
1488 if( !parser->cur_font.set(0,style) ) return 1;
1492 int TitleCurSize::unset(const char *txt)
1494 if( pop() ) return 1;
1495 int style = parser->cur_font.style();
1496 parser->cur_font.set(0,style);
1501 int TitleCurBold::set(const char *txt)
1503 int bold = !*txt ? 1 :
1504 strtol(txt,(char**)&txt,0);
1505 if( *txt || bold < 0 || bold > 1 ) return 1;
1506 int style = parser->cur_font.style();
1507 if( bold ) style |= BC_FONT_BOLD;
1508 else style &= ~BC_FONT_BOLD;
1509 if( !parser->cur_font.set(0,style) ) return 1;
1513 int TitleCurBold::unset(const char *txt)
1515 if( pop() ) return 1;
1516 int style = parser->cur_font.style();
1517 parser->cur_font.set(0,style);
1521 int TitleCurItalic::set(const char *txt)
1523 int italic = !*txt ? 1 :
1524 strtol(txt,(char**)&txt,0);
1525 if( *txt || italic < 0 || italic > 1 ) return 1;
1526 int style = parser->cur_font.style();
1527 if( italic ) style |= BC_FONT_ITALIC;
1528 else style &= ~BC_FONT_ITALIC;
1529 if( !parser->cur_font.set(0,style) ) return 1;
1533 int TitleCurItalic::unset(const char *txt)
1535 if( pop() ) return 1;
1536 int style = parser->cur_font.style();
1537 parser->cur_font.set(0,style);
1542 int TitleCurFont::style()
1545 if( parser->cur_bold ) style |= BC_FONT_BOLD;
1546 if( parser->cur_italic ) style |= BC_FONT_ITALIC;
1549 BC_FontEntry* TitleCurFont::get(const char *txt, int style)
1551 if( !txt ) txt = parser->plugin->text_font;
1552 else if( !*txt ) txt = parser->plugin->config.font;
1553 return parser->plugin->get_font(txt, style);
1555 BC_FontEntry *TitleCurFont::set(const char *txt, int style)
1557 BC_FontEntry *font = get(txt, style);
1558 if( !font || parser->plugin->load_font(font) ) return 0;
1559 if( !txt ) (BC_FontEntry*&)*this = font;
1562 int TitleCurFont::set(const char *txt)
1564 BC_FontEntry *font = set(txt, style());
1565 if( !font ) return 1;
1569 int TitleCurFont::unset(const char *txt)
1571 if( *txt || pop() ) return 1;
1572 BC_FontEntry *font = *this;
1573 if( !font ) return 1;
1574 font = get(font->displayname, style());
1575 if( !font ) return 1;
1576 (BC_FontEntry*&)*this = font;
1580 int TitleCurCaps::set(const char *txt)
1582 int caps = !*txt ? 1 : strtol(txt,(char **)&txt,0);
1583 if( *txt || caps < -1 || caps > 1 ) return 1;
1588 int TitleCurBlink::set(const char *txt)
1590 float blink = !*txt ? 1 : strtof(txt,(char **)&txt);
1591 if( *txt ) return 1;
1596 int TitleCurFixed::set(const char *txt)
1599 parser->cur_size*3/4 :
1600 strtol(txt,(char **)&txt,0);
1601 if( *txt || fixed < 0 ) return 1;
1606 int TitleCurAlias::set(const char *txt)
1608 int alias = !*txt ? 1 : strtol(txt,(char **)&txt,0);
1609 if( *txt ) return 1;
1614 int TitleCurSuper::set(const char *txt)
1616 int super = !*txt ? 1 : strtol(txt,(char **)&txt,0);
1617 if( *txt || super < -1 || super > 1 ) return 1;
1622 int TitleCurNudge::set(const char *txt)
1624 if( !*txt ) return 1;
1625 short nx = strtol(txt,(char **)&txt,0);
1626 if( *txt++ != ',' ) return 1;
1627 short ny = strtol(txt,(char **)&txt,0);
1628 if( *txt ) return 1;
1629 int nudge = (nx << 16) | (ny & 0xffff);
1634 int TitleParser::set_attributes(int ret)
1636 if( !kw_strcmp(id,KW_NUDGE) ) return ret>1 ? cur_nudge.unset(text) : cur_nudge.set(text);
1637 if( !kw_strcmp(id,KW_COLOR) ) return ret>1 ? cur_color.unset(text) : cur_color.set(text);
1638 if( !kw_strcmp(id,KW_ALPHA) ) return ret>1 ? cur_alpha.unset(text) : cur_alpha.set(text);
1639 if( !kw_strcmp(id,KW_FONT) ) return ret>1 ? cur_font.unset(text) : cur_font.set(text);
1640 if( !kw_strcmp(id,KW_SIZE) ) return ret>1 ? cur_size.unset(text) : cur_size.set(text);
1641 if( !kw_strcmp(id,KW_BOLD) ) return ret>1 ? cur_bold.unset(text) : cur_bold.set(text);
1642 if( !kw_strcmp(id,KW_ITALIC) ) return ret>1 ? cur_italic.unset(text) : cur_italic.set(text);
1643 if( !kw_strcmp(id,KW_CAPS) ) return ret>1 ? cur_caps.unset(text) : cur_caps.set(text);
1644 if( !kw_strcmp(id,KW_UL) ) return ret>1 ? cur_under.unset(text) : cur_under.set(text);
1645 if( !kw_strcmp(id,KW_BLINK) ) return ret>1 ? cur_blink.unset(text) : cur_blink.set(text);
1646 if( !kw_strcmp(id,KW_FIXED) ) return ret>1 ? cur_fixed.unset(text) : cur_fixed.set(text);
1647 if( !kw_strcmp(id,KW_ALIAS) ) return ret>1 ? cur_alias.unset(text) : cur_alias.set(text);
1648 if( !kw_strcmp(id,KW_SUP) ) return ret>1 ? cur_super.unset(text) : cur_super.set(text);
1653 void TitleMain::load_glyphs()
1655 // Build table of all glyphs needed
1656 TitleParser wchrs(this);
1657 int total_packages = 0;
1659 while( !wchrs.eof() ) {
1660 wchar_t wch1 = wchrs.wcur(), wch;
1661 long ipos = wchrs.tell();
1662 int ret = wchrs.tget(wch);
1664 if( !wchrs.set_attributes(ret) ) continue;
1665 if( !kw_strcmp(wchrs.id,KW_PNG) && add_image(wchrs.text) ) continue;
1666 wch = wch1; wchrs.seek(ipos+1);
1669 if( ret || wch == '\n' ) continue;
1671 int cur_caps = wchrs.cur_caps;
1672 if( cur_caps > 0 ) wch = towupper(wch);
1673 else if( cur_caps < 0 ) wch = towlower(wch);
1674 BC_FontEntry *cur_font = wchrs.cur_font;
1675 int cur_size = wchrs.cur_size;
1677 int cur_bold = wchrs.cur_bold;
1678 if( cur_bold ) cur_style |= BC_FONT_BOLD;
1679 int cur_italic = wchrs.cur_italic;
1680 if( cur_italic ) cur_style |= BC_FONT_ITALIC;
1681 int cur_alias = wchrs.cur_alias;
1682 if( cur_alias ) cur_style |= FONT_ALIAS;
1683 int cur_super = wchrs.cur_super;
1684 if( cur_super ) cur_size /= 2;
1686 for( int j=0; j<title_glyphs.count(); ++j ) {
1687 TitleGlyph *glyph = title_glyphs[j];
1688 if( glyph->char_code == (FT_ULong)wch && glyph->font == cur_font &&
1689 glyph->size == cur_size && glyph->style == cur_style ) {
1694 if( !exists && cur_font ) {
1696 TitleGlyph *glyph = new TitleGlyph;
1697 glyph->char_code = (FT_ULong)wch;
1698 glyph->font = cur_font;
1699 glyph->size = cur_size;
1700 glyph->style = cur_style;
1701 title_glyphs.append(glyph);
1706 glyph_engine = new GlyphEngine(this, cpus);
1708 glyph_engine->set_package_count(total_packages);
1709 glyph_engine->process_packages();
1713 TitleImage::TitleImage(const char *path, VFrame *vfrm)
1715 this->path = cstrdup(path);
1716 this->vframe = vfrm;
1718 TitleImage::~TitleImage()
1724 TitleChar *TitleChar::init(int typ, void *vp)
1740 TitleRow *TitleRow::init()
1743 x1 = y2 = 0; //MAX_FLT;
1744 y1 = x2 = 0; //MIN_FLT;
1748 int TitleMain::get_text()
1750 // Determine extents of total text
1751 title_chars.reset();
1753 int pitch = config.line_pitch;
1754 float font_h = config.size;
1757 TitleParser wchrs(this);
1760 float row_w = 0, row_h = 0;
1761 float row_x = 0, row_y = 0;
1765 if( !row ) row = title_rows.add();
1767 long ipos = wchrs.tell();
1768 wchar_t wch1 = wchrs.wcur(), wch;
1769 int ret = wchrs.tget(wch);
1770 if( ret < 0 || wch == '\n' ) {
1771 if( row->x1 > row->x2 ) row->x1 = row->x2 = 0;
1772 if( row->y2 > row->y1 ) row->y1 = row->y2 = 0;
1773 int dy = row->y1 - descent;
1774 row_y += pitch ? pitch : dy > font_h ? dy : font_h;
1777 if( row_x > row_w ) row_w = row_x;
1778 if( row_y > row_h ) row_h = row_y;
1779 text_rows = title_rows.count();
1781 if( ret < 0 ) break;
1784 BC_FontEntry *cur_font = wchrs.cur_font;
1785 int cur_color = wchrs.cur_color;
1786 int cur_alpha = wchrs.cur_alpha;
1787 float cur_size = wchrs.cur_size;
1788 int cur_caps = wchrs.cur_caps;
1789 int cur_under = wchrs.cur_under;
1790 float cur_blink = wchrs.cur_blink;
1791 int cur_fixed = wchrs.cur_fixed;
1792 int cur_super = wchrs.cur_super;
1793 int cur_nudge = wchrs.cur_nudge;
1795 int cur_bold = wchrs.cur_bold;
1796 if( cur_bold ) cur_style |= BC_FONT_BOLD;
1797 int cur_alias = wchrs.cur_alias;
1798 if( cur_alias ) cur_style |= FONT_ALIAS;
1799 int cur_italic = wchrs.cur_italic;
1800 if( cur_italic ) cur_style |= BC_FONT_ITALIC;
1801 short nx = cur_nudge >> 16, ny = cur_nudge;
1802 int cx = nx, cy = ny, cw = 0, ch = 0, dx = 0;
1804 if( !wchrs.set_attributes(ret) ) continue;
1806 if( !kw_strcmp(wchrs.id,KW_PNG) ) {
1807 VFrame *png_image = get_image(wchrs.text);
1809 chr = title_chars.add(CHAR_IMAGE, png_image);
1810 cy += ch = png_image->get_h();
1811 cw = dx = png_image->get_w();
1816 wch = wch1; wchrs.seek(ipos+1);
1820 if( cur_caps > 0 ) wch = towupper(wch);
1821 else if( cur_caps < 0 ) wch = towlower(wch);
1822 int size = !cur_super ? cur_size : cur_size/2;
1823 TitleGlyph *gp = get_glyph(wch, cur_font, size, cur_style);
1826 if( cur_super > 0 ) cy += cur_size-4*size/3;
1827 else if( cur_super < 0 ) cy -= size/3;
1833 else if( !wchrs.eof() ) {
1834 TitleGlyph *np = get_glyph(wchrs.wcur(), cur_font, cur_size, cur_style);
1835 dx = get_width(gp, np);
1838 chr = title_chars.add(CHAR_GLYPH, gp);
1841 cw = gp->right - gp->left;
1842 ch = gp->top - gp->bottom;
1845 if( !chr ) continue;
1847 chr->size = cur_size;
1848 chr->blink = cur_blink;
1849 chr->color = cur_color;
1850 chr->alpha = cur_alpha;
1852 if( cur_fixed ) chr->flags |= FLAG_FIXED;
1853 if( cur_super > 0 ) chr->flags |= FLAG_SUPER;
1854 if( cur_super < 0 ) chr->flags |= FLAG_SUBER;
1855 if( cur_under ) chr->flags |= FLAG_UNDER;
1856 if( cur_blink ) chr->flags |= FLAG_BLINK;
1857 chr->x = (cx += row_x);
1860 row->bound(cx,cy, cx+cw,cy-ch);
1861 chr->row = text_rows;
1865 if( !row_w || !row_h ) return 1;
1867 // rows boundary, note: row->xy is y up (FT), row_xy is y down (X)
1868 text_x1 = text_y1 = MAX_FLT;
1869 text_x2 = text_y2 = MIN_FLT;
1870 for( int i=0; i<text_rows; ++i ) {
1871 row = title_rows[i];
1872 switch( config.hjustification ) {
1873 case JUSTIFY_LEFT: row->x0 = 0; break;
1874 case JUSTIFY_CENTER: row->x0 = (row_w - (row->x2-row->x1)) / 2; break;
1875 case JUSTIFY_RIGHT: row->x0 = row_w - (row->x2-row->x1); break;
1878 if( text_x1 > (v=row->x0+row->x1) ) text_x1 = v;
1879 if( text_y1 > (v=row->y0-row->y1) ) text_y1 = v;
1880 if( text_x2 < (v=row->x0+row->x2) ) text_x2 = v;
1881 if( text_y2 < (v=row->y0-row->y2) ) text_y2 = v;
1883 if( text_x1 > text_x2 || text_y1 > text_y2 ) return 1;
1884 text_x1 += fuzz1; text_y1 += fuzz1;
1885 text_x2 += fuzz2; text_y2 += fuzz2;
1886 text_w = text_x2 - text_x1;
1887 text_h = text_y2 - text_y1;
1891 int TitleMain::get_visible_text()
1893 // Determine y of visible text
1894 switch( config.motion_strategy ) {
1896 case TOP_TO_BOTTOM: {
1897 float magnitude = config.pixels_per_second *
1898 (get_source_position() - config.prev_keyframe_position) /
1899 PluginVClient::project_frame_rate;
1901 int loop_size = text_h + title_h;
1902 magnitude -= (int)(magnitude / loop_size) * loop_size;
1904 text_y = config.motion_strategy == BOTTOM_TO_TOP ?
1905 title_h - magnitude :
1908 default: switch( config.vjustification ) {
1909 case JUSTIFY_TOP: text_y = 0; break;
1910 case JUSTIFY_MID: text_y = (title_h - text_h) / 2; break;
1911 case JUSTIFY_BOTTOM: text_y = title_h - text_h; break;
1915 // Determine x of visible text
1916 switch( config.motion_strategy ) {
1918 case LEFT_TO_RIGHT: {
1919 float magnitude = config.pixels_per_second *
1920 (get_source_position() - get_source_start()) /
1921 PluginVClient::project_frame_rate;
1923 int loop_size = text_w + title_w;
1924 magnitude -= (int)(magnitude / loop_size) * loop_size;
1926 text_x = config.motion_strategy == RIGHT_TO_LEFT ?
1927 title_w - magnitude :
1930 default: switch ( config.hjustification ) {
1931 case JUSTIFY_LEFT: text_x = 0; break;
1932 case JUSTIFY_CENTER: text_x = (title_w - text_w) / 2; break;
1933 case JUSTIFY_RIGHT: text_x = title_w - text_w; break;
1938 // until bottom of this row is visible
1940 int y0 = text_y - text_y1;
1941 while( row1 < text_rows ) {
1942 TitleRow *row = title_rows[row1];
1943 if( y0 + row->y0-row->y2 > 0 ) break;
1946 if( row1 >= text_rows ) return 0;
1948 // until top of next row is not visible
1951 while( row2 < text_rows ) {
1952 TitleRow *row = title_rows[row2];
1953 if( y0 + row->y0-row->y1 >= 0 ) break;
1956 if( row1 >= row2 ) return 0;
1958 //printf("get_visible_rows: visible_row1/2 = %d to %d\n",visible_row1,visible_row2);
1959 // Only draw visible chars
1960 double frame_rate = PluginVClient::get_project_framerate();
1961 int64_t units = get_source_position() - get_source_start();
1962 double position = units / frame_rate;
1964 int char1 = -1, char2 = -1, nchars = title_chars.count();
1965 for( int i=0; i<nchars; ++i ) {
1966 TitleChar *chr = title_chars[i];
1967 if( chr->row < row1 ) continue;
1968 if( chr->row >= row2 ) break;
1969 if( char1 < 0 ) char1 = i;
1971 if( (chr->flags & FLAG_BLINK) != 0 ) {
1973 double rate = 1 / fabs(chr->blink), rate2 = 2 * rate;
1974 double pos = position - ((int64_t)(position / rate2)) * rate2;
1975 chr->fade = chr->blink > 0 ?
1976 (pos > rate ? 0 : 1) : fabs(rate+pos) / rate;
1979 if( char1 < 0 ) char1 = 0;
1981 if( !blinking && visible_row1 == row1 && visible_row2 == row2 ) return 0;
1983 visible_row1 = row1; visible_row2 = row2;
1984 visible_char1 = char1; visible_char2 = char2;
1989 int TitleMain::draw_text(int need_redraw)
1991 // until top of next row is not visible
1992 mask_x1 = mask_y1 = INT_MAX;
1993 mask_x2 = mask_y2 = INT_MIN;
1994 for( int i=visible_row1; i<visible_row2; ++i ) {
1995 int v; TitleRow *row = title_rows[i];
1996 if( mask_x1 > (v=row->x0+row->x1) ) mask_x1 = v;
1997 if( mask_y1 > (v=row->y0-row->y1) ) mask_y1 = v;
1998 if( mask_x2 < (v=row->x0+row->x2) ) mask_x2 = v;
1999 if( mask_y2 < (v=row->y0-row->y2) ) mask_y2 = v;
2001 if( mask_x1 >= mask_x2 || mask_y1 >= mask_y2 ) return 1;
2003 mask_x1 += fuzz1; mask_y1 += fuzz1;
2004 mask_x2 += fuzz2; mask_y2 += fuzz2;
2005 mask_w = mask_x2 - mask_x1;
2006 mask_h = mask_y2 - mask_y1;
2008 //printf("TitleMain::draw_text %d-%d frame %dx%d\n",
2009 // visible_row1, visible_row2, mask_w,mask_h);
2010 if( text_mask && (text_mask->get_color_model() != text_model ||
2011 text_mask->get_w() != mask_w || text_mask->get_h() != mask_h) ) {
2012 delete text_mask; text_mask = 0;
2013 delete stroke_mask; stroke_mask = 0;
2017 // Always use 8 bit because the glyphs are 8 bit
2018 // Need to set YUV to get clear_frame to set the right chroma.
2019 mask_model = text_model;
2020 text_mask = new VFrame;
2021 text_mask->set_use_shm(0);
2022 text_mask->reallocate(0, -1, 0, 0, 0, mask_w, mask_h, mask_model, -1);
2023 int drop = abs(config.dropshadow);
2024 int drop_w = mask_w + drop;
2025 int drop_h = mask_h + drop;
2026 stroke_mask = new VFrame;
2027 stroke_mask->set_use_shm(0);
2028 stroke_mask->reallocate(0, -1, 0, 0, 0, drop_w, drop_h, mask_model, -1);
2032 // Draw on text mask if it has changed
2034 //printf("redraw %d to %d %d,%d %d,%d - %d,%d\n", visible_char1,visible_char2,
2035 // ext_x0, ext_y0, ext_x1,ext_y1, ext_x2,ext_y2);
2037 text_mask->clear_frame();
2038 stroke_mask->clear_frame();
2040 unsigned char *data = text_mask->get_data(); // draw bbox on text
2041 for( int x=0; x<mask_w; ++x ) data[4*x+3] = 0xff;
2042 for( int x=0; x<mask_w; ++x ) data[4*((mask_h-1)*mask_w+x)+3] = 0xff;
2043 for( int y=0; y<mask_h; ++y ) data[4*mask_w*y+3] = 0xff;
2044 for( int y=0; y<mask_h; ++y ) data[4*(mask_w*y + mask_w-1)+3] = 0xff;
2047 title_engine = new TitleEngine(this, cpus);
2049 // Draw dropshadow first
2050 if( config.dropshadow ) {
2051 title_engine->do_dropshadow = 1;
2052 title_engine->set_package_count(visible_char2 - visible_char1);
2053 title_engine->process_packages();
2056 // Then draw foreground
2057 title_engine->do_dropshadow = 0;
2058 title_engine->set_package_count(visible_char2 - visible_char1);
2059 title_engine->process_packages();
2061 draw_underline(text_mask, config.alpha);
2063 // Convert to text outlines
2064 if( config.outline_size > 0 ) {
2066 (text_mask->get_w() != outline_mask->get_w() ||
2067 text_mask->get_h() != outline_mask->get_h()) ) {
2068 delete outline_mask; outline_mask = 0;
2071 if( !outline_mask ) {
2072 outline_mask = new VFrame;
2073 outline_mask->set_use_shm(0);
2074 outline_mask->reallocate(0, -1, 0, 0, 0,
2075 text_mask->get_w(), text_mask->get_h(),
2076 text_mask->get_color_model(), -1);
2078 if( !outline_engine ) outline_engine =
2079 new TitleOutlineEngine(this, cpus);
2080 outline_engine->do_outline();
2088 int TitleMain::draw_underline(VFrame *mask, int alpha)
2090 int row = -1, sz = -1, color = -1, rgb = -1;
2091 int bpp = mask->get_bytes_per_pixel(), bpp1 = bpp-1;
2092 int x1 = 0, x2 = 0, y0 = 0;
2093 for( int i=visible_char1; i<visible_char2; ) {
2094 TitleChar *chr = title_chars[i];
2095 if( (chr->flags & FLAG_UNDER) && row < 0 ) {
2097 rgb = chr->color; int rr, gg, bb;
2098 get_mask_colors(rgb, mask_model, rr, gg, bb);
2099 color = (rr<<16) | (gg<<8) | (bb<<0);
2101 TitleRow *rp = title_rows[row];
2102 x1 = rp->x0 + chr->x;
2105 if( (chr->flags & FLAG_UNDER) && row == chr->row && chr->color == rgb ) {
2106 TitleRow *rp = title_rows[row];
2107 x2 = rp->x0 + chr->x + chr->dx;
2108 if( sz < chr->size ) sz = chr->size;
2109 if( ++i < visible_char2 ) continue;
2111 if( row < 0 ) { ++i; continue; }
2112 x1 -= mask_x1; x2 -= mask_x1; y0 -= mask_y1;
2113 if( x1 < 0 ) x1 = 0;
2114 if( x2 > mask_w ) x2 = mask_w;
2115 int sz1 = sz / 32 + 1, sz2 = sz1/2;
2116 int y1 = y0 - sz2, y2 = y1 + sz1;
2117 if( y1 < 0 ) y1 = 0;
2118 if( y2 > mask_h ) y2 = mask_h;
2119 unsigned char **rows = mask->get_rows();
2120 for( int y=y1; y<y2; ++y ) {
2121 unsigned char *rp = rows[y];
2122 for( int x=x1; x<x2; ++x ) {
2123 unsigned char *bp = rp + bpp * x;
2124 for( int i=bpp1; --i>=0; ) *bp++ = color>>(8*i);
2133 void TitleMain::draw_overlay()
2135 //printf("TitleMain::draw_overlay 1\n");
2137 if( !EQUIV(config.fade_in, 0) ) {
2138 int64_t plugin_start = server->plugin->startproject;
2139 int64_t fade_len = lroundf(config.fade_in * PluginVClient::project_frame_rate);
2140 int64_t fade_position = get_source_position() - plugin_start;
2142 if( fade_position >= 0 && fade_position < fade_len ) {
2143 fade = (float)fade_position / fade_len;
2146 if( !EQUIV(config.fade_out, 0) ) {
2147 int64_t plugin_end = server->plugin->startproject + server->plugin->length;
2148 int64_t fade_len = lroundf(config.fade_out * PluginVClient::project_frame_rate);
2149 int64_t fade_position = plugin_end - get_source_position();
2151 if( fade_position >= 0 && fade_position < fade_len ) {
2152 fade = (float)fade_position / fade_len;
2157 translate = new TitleTranslate(this, cpus);
2159 int tx = text_x - text_x1 + mask_x1;
2160 if( tx < title_w && tx+mask_w > 0 ) {
2161 translate->copy(text_mask);
2162 if( config.stroke_width >= SMALL && (config.style & BC_FONT_OUTLINE) ) {
2163 translate->copy(stroke_mask);
2169 TitleTranslate::TitleTranslate(TitleMain *plugin, int cpus)
2170 : LoadServer(cpus, cpus)
2172 this->plugin = plugin;
2175 TitleTranslate::~TitleTranslate()
2179 void TitleTranslate::copy(VFrame *input)
2181 this->input = input;
2182 in_w = input->get_w();
2183 in_h = input->get_h();
2184 ix1 = 0, ix2 = ix1 + in_w;
2185 iy1 = 0, iy2 = iy1 + in_h;
2187 out_w = plugin->output->get_w();
2188 out_h = plugin->output->get_h();
2189 float x1 = plugin->title_x, x2 = x1 + plugin->title_w;
2190 float y1 = plugin->title_y, y2 = y1 + plugin->title_h;
2191 bclamp(x1, 0, out_w); bclamp(y1, 0, out_h);
2192 bclamp(x2, 0, out_w); bclamp(y2, 0, out_h);
2194 ox1 = plugin->title_x + plugin->text_x - plugin->text_x1 + plugin->mask_x1;
2196 oy1 = plugin->title_y + plugin->text_y - plugin->text_y1 + plugin->mask_y1;
2198 if( ox1 < x1 ) { ix1 -= (ox1-x1); ox1 = x1; }
2199 if( oy1 < y1 ) { iy1 -= (oy1-y1); oy1 = y1; }
2200 if( ox2 > x2 ) { ix2 -= (ox2-x2); ox2 = x2; }
2201 if( oy2 > y2 ) { iy2 -= (oy2-x2); oy2 = y2; }
2203 printf("TitleTranslate text txy=%7.2f,%-7.2f\n"
2204 " mxy1=%7d,%-7d mxy2=%7d,%-7d\n"
2205 " xy1=%7.2f,%-7.2f xy2=%7.2f,%-7.2f\n"
2206 " ixy1=%7.2f,%-7.2f ixy2=%7.2f,%-7.2f\n"
2207 " oxy1=%7.2f,%-7.2f oxy2=%7.2f,%-7.2f\n",
2208 plugin->text_x, plugin->text_y,
2209 plugin->mask_x1, plugin->mask_y1, plugin->mask_x2, plugin->mask_y2,
2210 x1,y1, x2,y2, ix1,iy1, ix2,iy2, ox1,oy1, ox2,oy2);
2216 TitleTranslatePackage::TitleTranslatePackage()
2222 TitleTranslateUnit::TitleTranslateUnit(TitleMain *plugin, TitleTranslate *server)
2223 : LoadClient(server)
2227 #define TRANSLATE(type, max, comps, ofs) { \
2228 type **out_rows = (type**)output->get_rows(); \
2229 float fr = 1./(256.-max), fs = max/255.; \
2230 float r = max > 1 ? 0.5 : 0; \
2231 int ix1= x1, iy1 = y1, ix2= x2, iy2 = y2; \
2232 float fy = y1 + yofs; \
2233 for( int y=iy1; y<iy2; ++y,++fy ) { \
2234 int iy = fy; float yf1 = fy - iy; \
2235 if( yf1 < 0 ) ++yf1; \
2236 float yf0 = 1. - yf1; \
2237 unsigned char *in_row0 = in_rows[iy<0 ? 0 : iy]; \
2238 unsigned char *in_row1 = in_rows[iy<ih1 ? iy+1 : ih1]; \
2239 float fx = x1 + xofs; \
2240 for( int x=ix1; x<ix2; ++x,++fx ) { \
2241 type *op = out_rows[y] + x*comps; \
2242 int ix = fx; float xf1 = fx - ix; \
2243 if( xf1 < 0 ) ++xf1; \
2244 float xf0 = 1. - xf1; \
2245 int i0 = (ix<0 ? 0 : ix)*4, i1 = (ix<iw1 ? ix+1 : iw1)*4; \
2246 uint8_t *cp00 = in_row0 + i0, *cp01 = in_row0 + i1; \
2247 uint8_t *cp10 = in_row1 + i0, *cp11 = in_row1 + i1; \
2248 float a00 = yf0 * xf0 * cp00[3], a01 = yf0 * xf1 * cp01[3]; \
2249 float a10 = yf1 * xf0 * cp10[3], a11 = yf1 * xf1 * cp11[3]; \
2250 float fa = a00 + a01 + a10 + a11; if( !fa ) continue; \
2251 type in_a = fa*fr + r; float s = fs/fa; \
2252 type in_r = (cp00[0]*a00 + cp01[0]*a01 + cp10[0]*a10 + cp11[0]*a11)*s + r; \
2253 type in_g = (cp00[1]*a00 + cp01[1]*a01 + cp10[1]*a10 + cp11[1]*a11)*s + r; \
2254 type in_b = (cp00[2]*a00 + cp01[2]*a01 + cp10[2]*a10 + cp11[2]*a11)*s + r; \
2255 type a = in_a*plugin->fade, b = max - a, px; \
2256 /*if( comps == 4 ) { b = (b * op[3]) / max; }*/ \
2257 px = *op; *op++ = (a*in_r + b*px) / max; \
2258 px = *op; *op++ = (a*(in_g-ofs) + b*(px-ofs)) / max + ofs; \
2259 px = *op; *op++ = (a*(in_b-ofs) + b*(px-ofs)) / max + ofs; \
2260 if( comps == 4 ) { b = *op; *op++ = a + b - a*b / max; } \
2265 void TitleTranslateUnit::process_package(LoadPackage *package)
2267 TitleTranslatePackage *pkg = (TitleTranslatePackage*)package;
2268 TitleTranslate *server = (TitleTranslate*)this->server;
2269 TitleMain *plugin = server->plugin;
2270 VFrame *input = server->input, *output = plugin->output;
2271 int iw = input->get_w(), ih = input->get_h();
2272 int iw1 = iw-1, ih1 = ih-1;
2273 float x1 = server->ox1, x2 = server->ox2;
2274 float y1 = pkg->y1, y2 = pkg->y2;
2275 float xofs = server->ix1 - server->ox1;
2276 float yofs = server->iy1 - server->oy1;
2277 unsigned char **in_rows = input->get_rows();
2279 switch( output->get_color_model() ) {
2280 case BC_RGB888: TRANSLATE(unsigned char, 0xff, 3, 0); break;
2281 case BC_RGB_FLOAT: TRANSLATE(float, 1.0, 3, 0); break;
2282 case BC_YUV888: TRANSLATE(unsigned char, 0xff, 3, 0x80); break;
2283 case BC_RGBA_FLOAT: TRANSLATE(float, 1.0, 4, 0); break;
2284 case BC_RGBA8888: TRANSLATE(unsigned char, 0xff, 4, 0); break;
2285 case BC_YUVA8888: TRANSLATE(unsigned char, 0xff, 4, 0x80); break;
2289 void TitleTranslate::init_packages()
2293 int i = 0, pkgs = get_total_packages();
2295 TitleTranslatePackage *pkg = (TitleTranslatePackage*)get_package(i++);
2297 py = oy1 + i*oh / pkgs;
2302 LoadClient* TitleTranslate::new_client()
2304 return new TitleTranslateUnit(plugin, this);
2307 LoadPackage* TitleTranslate::new_package()
2309 return new TitleTranslatePackage;
2314 const char* TitleMain::motion_to_text(int motion)
2317 case NO_MOTION: return _("No motion");
2318 case BOTTOM_TO_TOP: return _("Bottom to top");
2319 case TOP_TO_BOTTOM: return _("Top to bottom");
2320 case RIGHT_TO_LEFT: return _("Right to left");
2321 case LEFT_TO_RIGHT: return _("Left to right");
2323 return _("Unknown");
2326 int TitleMain::text_to_motion(const char *text)
2328 for( int i=0; i<TOTAL_PATHS; ++i ) {
2329 if( !strcasecmp(motion_to_text(i), text) ) return i;
2334 void TitleMain::reset_render()
2336 delete text_mask; text_mask = 0;
2337 delete stroke_mask; stroke_mask = 0;
2338 delete glyph_engine; glyph_engine = 0;
2339 visible_row1 = 0; visible_row2 = 0;
2340 visible_char1 = 0; visible_char2 = 0;
2342 title_glyphs.clear();
2343 title_images.clear();
2344 if( freetype_face ) {
2345 ft_Done_Face(freetype_face);
2350 int TitleMain::init_freetype()
2352 if( !freetype_library )
2353 ft_Init_FreeType(&freetype_library);
2357 void TitleMain::draw_boundry()
2359 if( !gui_open() ) return;
2360 DragCheckBox::draw_boundary(output,
2361 title_x, title_y, title_w, title_h);
2365 int TitleMain::process_realtime(VFrame *input_ptr, VFrame *output_ptr)
2369 output = output_ptr;
2370 output_model = output->get_color_model();
2371 text_model = BC_CModels::is_yuv(output_model) ? BC_YUVA8888 : BC_RGBA8888;
2373 if( text_model != mask_model ) need_reconfigure = 1;
2374 need_reconfigure |= load_configuration();
2375 int64_t cur_position = get_source_position();
2376 if( last_position < 0 || last_position+1 != cur_position )
2377 need_reconfigure = 1;
2378 last_position = cur_position;
2380 title_x = config.title_x; title_y = config.title_y;
2381 title_w = config.title_w ? config.title_w : input->get_w();
2382 title_h = config.title_h ? config.title_h : input->get_h();
2384 fuzz1 = -config.outline_size;
2385 fuzz2 = config.outline_size;
2386 if( config.dropshadow < 0 )
2387 fuzz1 += config.dropshadow;
2389 fuzz2 += config.dropshadow;
2390 fuzz = fuzz2 - fuzz1;
2393 if( config.size <= 0 || config.size >= 2048 )
2395 if( config.stroke_width < 0 || config.stroke_width >= 512 )
2396 config.stroke_width = 0.0;
2397 if( !config.wlen && !config.timecode )
2399 if( !strlen(config.encoding) )
2400 strcpy(config.encoding, DEFAULT_ENCODING);
2402 // Always synthesize text and redraw it for timecode
2403 if( config.timecode ) {
2404 int64_t rendered_frame = get_source_position();
2405 if( get_direction() == PLAY_REVERSE )
2406 rendered_frame -= 1;
2408 char text[BCTEXTLEN];
2410 (double)rendered_frame / PluginVClient::project_frame_rate,
2411 config.timecode_format,
2412 PluginVClient::get_project_samplerate(),
2413 PluginVClient::get_project_framerate(),
2415 config.to_wtext(config.encoding, text, strlen(text)+1);
2416 need_reconfigure = 1;
2419 if( config.background )
2422 // Handle reconfiguration
2423 if( need_reconfigure ) {
2424 need_reconfigure = 0;
2426 result = init_freetype();
2429 result = get_text();
2434 result = draw_text(get_visible_text());
2437 // Overlay mask on output
2447 void TitleMain::update_gui()
2450 int reconfigure = load_configuration();
2452 TitleWindow *window = (TitleWindow*)thread->window;
2453 window->lock_window("TitleMain::update_gui");
2455 window->unlock_window();
2456 window->color_thread->update_gui(config.color, 0);
2461 int TitleMain::load_configuration()
2463 KeyFrame *prev_keyframe, *next_keyframe;
2464 prev_keyframe = get_prev_keyframe(get_source_position());
2465 next_keyframe = get_next_keyframe(get_source_position());
2467 TitleConfig old_config, prev_config, next_config;
2468 old_config.copy_from(config);
2469 read_data(prev_keyframe);
2470 prev_config.copy_from(config);
2471 read_data(next_keyframe);
2472 next_config.copy_from(config);
2474 config.prev_keyframe_position = prev_keyframe->position;
2475 config.next_keyframe_position = next_keyframe->position;
2477 // if no previous keyframe exists, it should be start of the plugin, not start of the track
2478 if( config.next_keyframe_position == config.prev_keyframe_position )
2479 config.next_keyframe_position = get_source_start() + get_total_len();
2480 if( config.prev_keyframe_position == 0 )
2481 config.prev_keyframe_position = get_source_start();
2482 // printf("TitleMain::load_configuration 10 %d %d\n",
2483 // config.prev_keyframe_position,
2484 // config.next_keyframe_position);
2486 config.interpolate(prev_config,
2488 (next_keyframe->position == prev_keyframe->position) ?
2489 get_source_position() :
2490 prev_keyframe->position,
2491 (next_keyframe->position == prev_keyframe->position) ?
2492 get_source_position() + 1 :
2493 next_keyframe->position,
2494 get_source_position());
2496 if( !config.equivalent(old_config) )
2502 void TitleMain::save_data(KeyFrame *keyframe)
2506 output.set_shared_output(keyframe->get_data(), MESSAGESIZE);
2507 output.tag.set_title("TITLE");
2508 output.tag.set_property("FONT", config.font);
2509 output.tag.set_property("ENCODING", config.encoding);
2510 output.tag.set_property("STYLE", (int64_t)config.style);
2511 output.tag.set_property("SIZE", config.size);
2512 output.tag.set_property("COLOR", config.color);
2513 output.tag.set_property("ALPHA", config.alpha);
2514 output.tag.set_property("OUTLINE_SIZE", config.outline_size);
2515 output.tag.set_property("OUTLINE_COLOR", config.outline_color);
2516 output.tag.set_property("OUTLINE_ALPHA", config.outline_alpha);
2517 output.tag.set_property("COLOR_STROKE", config.color_stroke);
2518 output.tag.set_property("STROKE_WIDTH", config.stroke_width);
2519 output.tag.set_property("MOTION_STRATEGY", config.motion_strategy);
2520 output.tag.set_property("LOOP", config.loop);
2521 output.tag.set_property("LINE_PITCH", config.line_pitch);
2522 output.tag.set_property("PIXELS_PER_SECOND", config.pixels_per_second);
2523 output.tag.set_property("HJUSTIFICATION", config.hjustification);
2524 output.tag.set_property("VJUSTIFICATION", config.vjustification);
2525 output.tag.set_property("FADE_IN", config.fade_in);
2526 output.tag.set_property("FADE_OUT", config.fade_out);
2527 output.tag.set_property("TITLE_X", config.title_x);
2528 output.tag.set_property("TITLE_Y", config.title_y);
2529 output.tag.set_property("TITLE_W", config.title_w);
2530 output.tag.set_property("TITLE_H", config.title_h);
2531 output.tag.set_property("DROPSHADOW", config.dropshadow);
2532 output.tag.set_property("TIMECODE", config.timecode);
2533 output.tag.set_property("TIMECODEFORMAT", config.timecode_format);
2534 output.tag.set_property("WINDOW_W", config.window_w);
2535 output.tag.set_property("WINDOW_H", config.window_h);
2536 output.tag.set_property("DRAG", config.drag);
2537 output.tag.set_property("BACKGROUND", config.background);
2538 output.tag.set_property("BACKGROUND_PATH", config.background_path);
2539 output.tag.set_property("LOOP_PLAYBACK", config.loop_playback);
2540 output.append_tag();
2541 output.append_newline();
2542 char text[2*sizeof(config.wtext)];
2543 int text_len = BC_Resources::encode(
2544 BC_Resources::wide_encoding, DEFAULT_ENCODING,
2545 (char*)config.wtext, config.wlen*sizeof(wchar_t),
2546 text, sizeof(text));
2547 int len = output.length(), avail = MESSAGESIZE-16 - len;
2548 if( text_len >= avail ) { // back off last utf8 char
2550 while( text_len > 0 && (text[text_len-1] & 0xc0) == 0x80 )
2551 text[--text_len] = 0;
2553 text[--text_len] = 0;
2555 output.append_text(text, text_len);
2556 output.tag.set_title("/TITLE");
2557 output.append_tag();
2558 output.append_newline();
2559 output.terminate_string();
2560 //printf("TitleMain::save_data 1\n%s\n", output.string);
2561 //printf("TitleMain::save_data 2\n%s\n", config.text);
2564 void TitleMain::read_data(KeyFrame *keyframe)
2568 input.set_shared_input(keyframe->get_data(), strlen(keyframe->get_data()));
2572 config.prev_keyframe_position = keyframe->position;
2575 result = input.read_tag();
2578 if( input.tag.title_is("TITLE") ) {
2579 input.tag.get_property("FONT", config.font);
2580 input.tag.get_property("ENCODING", config.encoding);
2581 config.style = input.tag.get_property("STYLE", (int64_t)config.style);
2582 config.size = input.tag.get_property("SIZE", config.size);
2583 config.color = input.tag.get_property("COLOR", config.color);
2584 config.alpha = input.tag.get_property("ALPHA", config.alpha);
2585 config.outline_size = input.tag.get_property("OUTLINE_SIZE", config.outline_size);
2586 config.outline_color = input.tag.get_property("OUTLINE_COLOR", config.outline_color);
2587 config.outline_alpha = input.tag.get_property("OUTLINE_ALPHA", config.outline_alpha);
2588 config.color_stroke = input.tag.get_property("COLOR_STROKE", config.color_stroke);
2589 config.stroke_width = input.tag.get_property("STROKE_WIDTH", config.stroke_width);
2590 config.motion_strategy = input.tag.get_property("MOTION_STRATEGY", config.motion_strategy);
2591 config.loop = input.tag.get_property("LOOP", config.loop);
2592 config.line_pitch = input.tag.get_property("LINE_PITCH", config.line_pitch);
2593 config.pixels_per_second = input.tag.get_property("PIXELS_PER_SECOND", config.pixels_per_second);
2594 config.hjustification = input.tag.get_property("HJUSTIFICATION", config.hjustification);
2595 config.vjustification = input.tag.get_property("VJUSTIFICATION", config.vjustification);
2596 config.fade_in = input.tag.get_property("FADE_IN", config.fade_in);
2597 config.fade_out = input.tag.get_property("FADE_OUT", config.fade_out);
2598 config.title_x = input.tag.get_property("TITLE_X", config.title_x);
2599 config.title_y = input.tag.get_property("TITLE_Y", config.title_y);
2600 config.title_w = input.tag.get_property("TITLE_W", config.title_w);
2601 config.title_h = input.tag.get_property("TITLE_H", config.title_h);
2602 config.dropshadow = input.tag.get_property("DROPSHADOW", config.dropshadow);
2603 config.timecode = input.tag.get_property("TIMECODE", config.timecode);
2604 config.timecode_format = input.tag.get_property("TIMECODEFORMAT", config.timecode_format);
2605 config.window_w = input.tag.get_property("WINDOW_W", config.window_w);
2606 config.window_h = input.tag.get_property("WINDOW_H", config.window_h);
2607 config.drag = input.tag.get_property("DRAG", config.drag);
2608 config.background = input.tag.get_property("BACKGROUND", config.background);
2609 input.tag.get_property("BACKGROUND_PATH", config.background_path);
2610 config.loop_playback = input.tag.get_property("LOOP_PLAYBACK", config.loop_playback);
2611 const char *text = input.read_text();
2612 config.to_wtext(config.encoding, text, strlen(text)+1);
2614 else if( input.tag.title_is("/TITLE") ) {
2620 void TitleMain::insert_text(const wchar_t *wtxt, int pos)
2622 int len = wcslen(wtxt);
2623 wchar_t *wtext = config.wtext;
2624 int wsize = sizeof(config.wtext)-1;
2625 int wlen = config.wlen;
2626 if( pos < 0 ) pos = 0;
2627 if( pos > wlen ) pos = wlen;
2629 for( int i=wlen-1, j=wlen+len-1; i>=pos; --i,--j ) {
2630 if( j >= wsize ) continue;
2631 wtext[j] = wtext[i];
2633 for( int i=pos, j=0; j<len; ++i,++j ) {
2634 if( i >= wsize ) break;
2638 if( (wlen+=len) > wsize ) wlen = wsize;