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
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; wsize = 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;
120 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(wchr_t)) &&
148 EQUIV(title_x, that.title_x) && EQUIV(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 loop_playback == that.loop_playback;
159 void TitleConfig::copy_from(TitleConfig &that)
161 strcpy(font, that.font);
162 strcpy(encoding, that.encoding);
167 outline_size = that.outline_size;
168 outline_color = that.outline_color;
169 outline_alpha = that.outline_alpha;
170 color_stroke = that.color_stroke;
171 stroke_width = that.stroke_width;
172 motion_strategy = that.motion_strategy;
173 line_pitch = that.line_pitch;
175 hjustification = that.hjustification;
176 vjustification = that.vjustification;
177 fade_in = that.fade_in;
178 fade_out = that.fade_out;
179 pixels_per_second = that.pixels_per_second;
180 demand(wlen = that.wlen);
181 memcpy(wtext, that.wtext, that.wlen * sizeof(wchr_t));
182 title_x = that.title_x; title_y = that.title_y;
183 title_w = that.title_w; title_h = that.title_h;
184 window_w = that.window_w; window_h = that.window_h;
185 timecode = that.timecode;
186 dropshadow = that.dropshadow;
187 background = that.background;
188 strcpy(background_path, that.background_path);
189 timecode_format = that.timecode_format;
190 loop_playback = that.loop_playback;
193 void TitleConfig::interpolate(TitleConfig &prev, TitleConfig &next,
194 int64_t prev_frame, int64_t next_frame, int64_t current_frame)
196 double next_scale = (double)(current_frame - prev_frame) / (next_frame - prev_frame);
197 double prev_scale = (double)(next_frame - current_frame) / (next_frame - prev_frame);
198 strcpy(font, prev.font);
199 strcpy(encoding, prev.encoding);
204 outline_size = prev.outline_size;
205 outline_color = prev.outline_color;
206 outline_alpha = prev.outline_alpha;
207 color_stroke = prev.color_stroke;
208 stroke_width = prev.stroke_width;
209 motion_strategy = prev.motion_strategy;
210 line_pitch = prev.line_pitch;
212 hjustification = prev.hjustification;
213 vjustification = prev.vjustification;
214 fade_in = prev.fade_in;
215 fade_out = prev.fade_out;
216 pixels_per_second = prev.pixels_per_second;
217 demand(wlen = prev.wlen);
218 memcpy(wtext, prev.wtext, prev.wlen * sizeof(wchr_t));
220 this->title_x = prev.title_x == next.title_x ? prev.title_x :
221 prev.title_x * prev_scale + next.title_x * next_scale;
222 this->title_y = prev.title_y == next.title_y ? prev.title_y :
223 prev.title_y * prev_scale + next.title_y * next_scale;
224 this->title_w = prev.title_w == next.title_w ? prev.title_w :
225 prev.title_w * prev_scale + next.title_w * next_scale;
226 this->title_h = prev.title_h == next.title_h ? prev.title_h :
227 prev.title_h * prev_scale + next.title_h * next_scale;
228 window_w = prev.window_w;
229 window_h = prev.window_h;
230 timecode = prev.timecode;
231 this->dropshadow = prev.dropshadow == next.dropshadow ? prev.dropshadow :
232 prev.dropshadow * prev_scale + next.dropshadow * next_scale;
233 background = prev.background;
234 strcpy(background_path, prev.background_path);
235 timecode_format = prev.timecode_format;
236 loop_playback = prev.loop_playback;
239 int TitleConfig::demand(long sz)
241 if( wtext && wsize >= sz ) return 0;
243 wsize = sz + wlen/2 + 0x1000;
244 wtext = new wchr_t[wsize+1];
249 void TitleConfig::to_wtext(const char *from_enc, const char *text, int tlen)
252 wlen = BC_Resources::encode(from_enc, BC_Resources::wide_encoding,
253 (char*)text,tlen, (char *)wtext,sizeof(*wtext)*wsize) / sizeof(wchr_t);
254 while( wlen > 0 && !wtext[wlen-1] ) --wlen;
258 TitleGlyph::TitleGlyph()
277 TitleGlyph::~TitleGlyph()
279 //printf("TitleGlyph::~TitleGlyph 1\n");
280 if( data ) delete data;
281 if( data_stroke ) delete data_stroke;
285 GlyphPackage::GlyphPackage() : LoadPackage()
290 GlyphUnit::GlyphUnit(TitleMain *plugin, GlyphEngine *server)
293 this->plugin = plugin;
294 freetype_library = 0;
298 GlyphUnit::~GlyphUnit()
300 if( freetype_library )
301 ft_Done_FreeType(freetype_library);
304 static inline void to_mono(VFrame *data)
307 int w = data->get_w(), h = data->get_h();
308 uint8_t **rows = data->get_rows();
309 for( int y=0; y<h; ++y ) {
310 uint8_t *dp = rows[y];
311 for( int x=0; x<w; ++x,++dp ) *dp = *dp >= 0x80 ? 0xff : 0;
315 void GlyphUnit::process_package(LoadPackage *package)
317 GlyphPackage *pkg = (GlyphPackage*)package;
318 TitleGlyph *glyph = pkg->glyph;
319 BC_Resources *resources = BC_WindowBase::get_resources();
320 if( resources->font_debug )
321 printf("GlyphUnit load glyph (%s) %04x, '%c'\n", glyph->font->displayname,
322 (unsigned)glyph->char_code, (unsigned)glyph->char_code);
324 char new_path[BCTEXTLEN];
325 if( plugin->load_freetype_face(freetype_library, freetype_face, glyph->font->path) ) {
326 printf(_("GlyphUnit::process_package FT_New_Face failed, path=%s\n"),
331 int gindex = ft_Get_Char_Index(freetype_face, glyph->char_code);
332 if( !gindex && !freetype_face->charmap && // if no default charmap
333 freetype_face->charmaps && freetype_face->charmaps[0] &&
334 !ft_Select_Charmap(freetype_face, freetype_face->charmaps[0]->encoding) ) {
335 gindex = ft_Get_Char_Index(freetype_face, glyph->char_code);
338 printf("GlyphUnit::process_package 1 glyph not found (%s) %04x, '%c'\n",
339 glyph->font->displayname, (unsigned)glyph->char_code, (unsigned)glyph->char_code);
340 // Search replacement font
341 if( resources->find_font_by_char(glyph->char_code, new_path, freetype_face) ) {
342 plugin->load_freetype_face(freetype_library,
343 freetype_face, new_path);
344 gindex = ft_Get_Char_Index(freetype_face, glyph->char_code);
347 ft_Set_Pixel_Sizes(freetype_face, glyph->size, 0);
351 if( glyph->char_code != 10 )
352 printf(_("GlyphUnit::process_package FT_Load_Char failed - char: %li.\n"),
354 // Prevent a crash here
355 glyph->width = 8; glyph->height = 8;
356 glyph->pitch = 8; glyph->advance_x = 8;
357 glyph->left = 9; glyph->top = 9;
358 glyph->right = 0; glyph->bottom = 0;
359 glyph->freetype_index = 0;
360 glyph->data = new VFrame(glyph->width, glyph->height, BC_A8, glyph->pitch);
361 glyph->data->black_frame();
362 glyph->data_stroke = 0;
364 // create outline glyph
365 if( plugin->config.stroke_width >= SMALL &&
366 (plugin->config.style & BC_FONT_OUTLINE) ) {
367 glyph->data_stroke = new VFrame(glyph->width, glyph->height, BC_A8, glyph->pitch);
368 glyph->data_stroke->black_frame();
371 // char found and no outline desired
372 else if( plugin->config.stroke_width < SMALL ||
373 !(plugin->config.style & BC_FONT_OUTLINE) ) {
374 FT_Glyph glyph_image;
377 ft_Load_Glyph(freetype_face, gindex, FT_LOAD_DEFAULT);
378 ft_Get_Glyph(freetype_face->glyph, &glyph_image);
379 ft_Outline_Get_BBox(&((FT_OutlineGlyph) glyph_image)->outline, &bbox);
380 // printf("Stroke: Xmin: %ld, Xmax: %ld, Ymin: %ld, yMax: %ld\n",
381 // bbox.xMin,bbox.xMax, bbox.yMin, bbox.yMax);
383 glyph->width = bm.width = ((bbox.xMax - bbox.xMin + 63) >> 6);
384 glyph->height = bm.rows = ((bbox.yMax - bbox.yMin + 63) >> 6);
385 glyph->pitch = bm.pitch = bm.width;
386 bm.pixel_mode = FT_PIXEL_MODE_GRAY;
388 glyph->left = (bbox.xMin + 31) >> 6;
389 glyph->top = (bbox.yMax + 31) >> 6;
390 glyph->right = (bbox.xMax + 31) >> 6;
391 glyph->bottom = (bbox.yMin + 31) >> 6;
392 glyph->freetype_index = gindex;
393 glyph->advance_x = ((freetype_face->glyph->advance.x + 31) >> 6);
394 //printf("GlyphUnit::process_package 1 width=%d height=%d pitch=%d left=%d top=%d advance_x=%d freetype_index=%d\n",
395 //glyph->width, glyph->height, glyph->pitch, glyph->left, glyph->top, glyph->advance_x, glyph->freetype_index);
397 glyph->data = new VFrame(glyph->width, glyph->height, BC_A8, glyph->pitch);
398 glyph->data->black_frame();
399 bm.buffer = glyph->data->get_data();
400 ft_Outline_Translate(&((FT_OutlineGlyph) glyph_image)->outline,
401 - bbox.xMin, - bbox.yMin);
402 ft_Outline_Get_Bitmap( freetype_library,
403 &((FT_OutlineGlyph) glyph_image)->outline,
405 ft_Done_Glyph(glyph_image);
408 // Outline desired and glyph found
409 FT_Glyph glyph_image;
414 FT_UInt npoints, ncontours;
416 ft_Load_Glyph(freetype_face, gindex, FT_LOAD_DEFAULT);
417 ft_Get_Glyph(freetype_face->glyph, &glyph_image);
419 // check if the outline is ok (non-empty);
420 ft_Outline_Get_BBox(&((FT_OutlineGlyph) glyph_image)->outline, &bbox);
421 if( bbox.xMin == 0 && bbox.xMax == 0 &&
422 bbox.yMin == 0 && bbox.yMax == 0 ) {
423 ft_Done_Glyph(glyph_image);
424 glyph->width = 0; glyph->height = 0;
425 glyph->left = 0; glyph->top = 0;
426 glyph->right = 0; glyph->bottom = 0;
429 new VFrame(glyph->width, glyph->height, BC_A8, glyph->pitch);
431 new VFrame(glyph->width, glyph->height, BC_A8, glyph->pitch);
432 glyph->advance_x =((int)(freetype_face->glyph->advance.x +
433 plugin->config.stroke_width * 64)) >> 6;
436 #if FREETYPE_MAJOR > 2 || (FREETYPE_MAJOR == 2 && FREETYPE_MINOR >= 2)
437 ft_Stroker_New(freetype_library, &stroker);
439 ft_Stroker_New(((FT_LibraryRec *)freetype_library)->memory, &stroker);
441 ft_Stroker_Set(stroker, (int)(plugin->config.stroke_width * 64),
442 FT_STROKER_LINECAP_ROUND, FT_STROKER_LINEJOIN_ROUND, 0);
443 ft_Stroker_ParseOutline(stroker, &((FT_OutlineGlyph) glyph_image)->outline,1);
444 ft_Stroker_GetCounts(stroker,&npoints, &ncontours);
445 if( npoints == 0 && ncontours == 0 ) {
446 // this never happens, but FreeType has a bug regarding Linotype's Palatino font
447 ft_Stroker_Done(stroker);
448 ft_Done_Glyph(glyph_image);
449 glyph->width = 0; glyph->height = 0;
450 glyph->left = 0; glyph->top = 0;
451 glyph->right = 0; glyph->bottom = 0;
454 new VFrame(glyph->width, glyph->height, BC_A8, glyph->pitch);
456 new VFrame(glyph->width, glyph->height, BC_A8, glyph->pitch);
457 glyph->advance_x =((int)(freetype_face->glyph->advance.x +
458 plugin->config.stroke_width * 64)) >> 6;
462 ft_Outline_New(freetype_library, npoints, ncontours, &outline);
464 outline.n_contours=0;
465 ft_Stroker_Export(stroker, &outline);
466 ft_Outline_Get_BBox(&outline, &bbox);
467 ft_Outline_Translate(&outline, - bbox.xMin, - bbox.yMin);
468 ft_Outline_Translate(&((FT_OutlineGlyph) glyph_image)->outline,
470 - bbox.yMin + (int)(plugin->config.stroke_width*32));
471 // printf("Stroke: Xmin: %ld, Xmax: %ld, Ymin: %ld, yMax: %ld\n"
472 // "Fill Xmin: %ld, Xmax: %ld, Ymin: %ld, yMax: %ld\n",
473 // bbox.xMin,bbox.xMax, bbox.yMin, bbox.yMax,
474 // bbox_fill.xMin,bbox_fill.xMax, bbox_fill.yMin, bbox_fill.yMax);
476 glyph->width = bm.width = ((bbox.xMax - bbox.xMin) >> 6)+1;
477 glyph->height = bm.rows = ((bbox.yMax - bbox.yMin) >> 6) +1;
478 glyph->pitch = bm.pitch = bm.width;
479 bm.pixel_mode = FT_PIXEL_MODE_GRAY;
481 glyph->left = (bbox.xMin + 31) >> 6;
482 glyph->top = (bbox.yMax + 31) >> 6;
483 glyph->right = (bbox.xMax + 31) >> 6;
484 glyph->bottom = (bbox.yMin + 31) >> 6;
485 glyph->freetype_index = gindex;
486 int real_advance = ((int)ceil((float)freetype_face->glyph->advance.x +
487 plugin->config.stroke_width * 64) >> 6);
488 glyph->advance_x = glyph->width + glyph->left;
489 if( real_advance > glyph->advance_x )
490 glyph->advance_x = real_advance;
491 //printf("GlyphUnit::process_package 1 width=%d height=%d "
492 // "pitch=%d left=%d top=%d advance_x=%d freetype_index=%d\n",
493 // glyph->width, glyph->height, glyph->pitch, glyph->left,
494 // glyph->top, glyph->advance_x, glyph->freetype_index);
497 //printf("GlyphUnit::process_package 1\n");
498 glyph->data = new VFrame(glyph->width, glyph->height, BC_A8, glyph->pitch);
499 glyph->data->black_frame();
500 glyph->data_stroke = new VFrame(glyph->width, glyph->height, BC_A8, glyph->pitch);
501 glyph->data_stroke->black_frame();
502 // for debugging memset( glyph->data_stroke->get_data(), 60, glyph->pitch * glyph->height);
503 bm.buffer=glyph->data->get_data();
504 ft_Outline_Get_Bitmap( freetype_library,
505 &((FT_OutlineGlyph) glyph_image)->outline,
507 bm.buffer=glyph->data_stroke->get_data();
508 ft_Outline_Get_Bitmap( freetype_library,
511 ft_Outline_Done(freetype_library,&outline);
512 ft_Stroker_Done(stroker);
513 ft_Done_Glyph(glyph_image);
515 //printf("GlyphUnit::process_package 2\n");
518 if( !(glyph->style & FONT_ALIAS) ) {
519 to_mono(glyph->data);
520 to_mono(glyph->data_stroke);
526 GlyphEngine::GlyphEngine(TitleMain *plugin, int cpus)
527 : LoadServer(cpus, cpus)
529 this->plugin = plugin;
532 void GlyphEngine::init_packages()
534 int current_package = 0;
535 for( int i=0; i<plugin->title_glyphs.count(); ++i ) {
536 if( !plugin->title_glyphs[i]->data ) {
537 GlyphPackage *pkg = (GlyphPackage*)get_package(current_package++);
538 pkg->glyph = plugin->title_glyphs[i];
543 LoadClient* GlyphEngine::new_client()
545 return new GlyphUnit(plugin, this);
548 LoadPackage* GlyphEngine::new_package()
550 return new GlyphPackage;
554 // Copy a single character to the text mask
555 TitlePackage::TitlePackage()
563 TitleUnit::TitleUnit(TitleMain *plugin, TitleEngine *server)
566 this->plugin = plugin;
567 this->engine = server;
571 static void get_mask_colors(int rgb, int color_model, int &rr, int &gg, int &bb)
573 int r = 0xff & (rgb>>16), g = 0xff & (rgb>>8), b = 0xff & (rgb>>0);
574 if( BC_CModels::is_yuv(color_model) ) YUV::yuv.rgb_to_yuv_8(r,g,b);
575 rr = r; gg = g; bb = b;
578 void TitleUnit::draw_frame(int mode, VFrame *dst, VFrame *src, int x, int y)
580 int inp_w = src->get_w(), inp_h = src->get_h();
581 int out_w = dst->get_w(), out_h = dst->get_h();
582 unsigned char **inp_rows = src->get_rows();
583 unsigned char **out_rows = dst->get_rows();
585 int x_inp = 0, y_inp = 0;
587 if( x_out < 0 ) { x_inp = -x_out; x_out = 0; }
588 if( x_out+inp_w > out_w ) inp_w = out_w-x_out;
589 if( x_inp >= inp_w || x_out >= out_w ) return;
591 if( y_out < 0 ) { y_inp = -y_out; y_out = 0; }
592 if( y_out+inp_h > out_h ) inp_h = out_h-y_out;
593 if( y_inp >= inp_h || y_out >= out_h ) return;
594 int color = chr->color, max = 0xff;
595 int alpha = chr->alpha * chr->fade;
596 int ofs = BC_CModels::is_yuv(dst->get_color_model()) ? 0x80 : 0x00;
600 while( y_inp < inp_h && y_out < out_h ) {
601 uint8_t *inp = inp_rows[y_inp], *out = out_rows[y_out];
602 for( int xin=x_inp,xout=x_out*4+3; xin<inp_w; ++xin,xout+=4 ) {
603 out[xout] = STD_ALPHA(max, inp[xin], out[xout]);
609 int r = 0, g = 0, b = 0;
610 get_mask_colors(color, plugin->text_model, r, g, b);
611 while( y_inp < inp_h && y_out < out_h ) {
612 uint8_t *inp = inp_rows[y_inp], *out = out_rows[y_out];
613 for( int xin=x_inp,xout=x_out*4+0; xin<inp_w; ++xin,xout+=4 ) {
614 int in_a = inp[xin], out_a = out[xout+3];
615 if( in_a + out_a == 0 ) continue;
616 if( in_a >= out_a ) { // crayola for top draw
617 out[xout+0] = r; out[xout+1] = g; out[xout+2] = b;
618 out[xout+3] = alpha * in_a / max;
621 int i_r = r, i_g = g-ofs, i_b = b-ofs;
622 int o_r = out[xout+0], o_g = out[xout+1]-ofs, o_b = out[xout+2]-ofs;
623 out[xout+0] = COLOR_NORMAL(max, i_r, in_a, o_r, out_a);
624 out[xout+1] = COLOR_NORMAL(max, i_g, in_a, o_g, out_a) + ofs;
625 out[xout+2] = COLOR_NORMAL(max, i_b, in_a, o_b, out_a) + ofs;
626 out[xout+3] = alpha * STD_ALPHA(max, in_a, out_a) / max;
633 while( y_inp < inp_h && y_out < out_h ) {
634 uint8_t *inp = inp_rows[y_inp], *out = out_rows[y_out];
635 for( int xin=x_inp,xout=x_out*4+0; xin<inp_w; ++xin,xout+=4 ) {
637 int in_a = inp[xinp+3], out_a = out[xout+3];
638 if( in_a + out_a == 0 ) continue;
639 if( in_a >= out_a ) {
640 int i_r = inp[xinp+0], i_g = inp[xinp+1], i_b = inp[xinp+2];
641 out[xout+0] = i_r; out[xout+1] = i_g; out[xout+2] = i_b;
642 out[xout+3] = alpha * in_a / max;
645 int i_r = inp[xinp+0], i_g = inp[xinp+1]-ofs, i_b = inp[xinp+2]-ofs;
646 int o_r = out[xout+0], o_g = out[xout+1]-ofs, o_b = out[xout+2]-ofs;
647 out[xout+0] = COLOR_NORMAL(max, i_r, in_a, o_r, out_a);
648 out[xout+1] = COLOR_NORMAL(max, i_g, in_a, o_g, out_a) + ofs;
649 out[xout+2] = COLOR_NORMAL(max, i_b, in_a, o_b, out_a) + ofs;
650 out[xout+3] = alpha * STD_ALPHA(max, in_a, out_a) / max;
660 void TitleUnit::process_package(LoadPackage *package)
662 TitlePackage *pkg = (TitlePackage*)package;
663 int x = pkg->x, y = pkg->y;
667 VFrame *vframe = (VFrame *)chr->vp;
668 if( !vframe ) return;
669 draw_frame(DRAW_IMAGE, plugin->text_mask, vframe, x, y);
672 if( chr->wch == 0 || chr->wch == '\n') return;
673 TitleGlyph *glyph = (TitleGlyph *)chr->vp;
675 if( engine->do_dropshadow ) {
676 x += plugin->config.dropshadow;
677 y += plugin->config.dropshadow;
679 else if( plugin->config.dropshadow < 0 ) {
680 x -= plugin->config.dropshadow;
681 y -= plugin->config.dropshadow;
683 int mode = engine->do_dropshadow ? DRAW_ALPHA : DRAW_COLOR;
684 draw_frame(mode, plugin->text_mask, glyph->data, x, y);
685 if( plugin->config.stroke_width >= SMALL && (plugin->config.style & BC_FONT_OUTLINE) )
686 draw_frame(mode, plugin->stroke_mask, glyph->data_stroke, x, y);
691 TitleEngine::TitleEngine(TitleMain *plugin, int cpus)
692 : LoadServer(cpus, cpus)
694 this->plugin = plugin;
697 void TitleEngine::init_packages()
699 int current_package = 0;
700 for( int i=plugin->visible_char1; i<plugin->visible_char2; ++i ) {
701 TitlePackage *pkg = (TitlePackage*)get_package(current_package++);
702 TitleChar *chr = plugin->title_chars[i];
703 TitleRow *row = plugin->title_rows[chr->row];
705 pkg->x = row->x0 + chr->x - plugin->mask_x1;
706 pkg->y = row->y0 - chr->y - plugin->mask_y1;
707 //printf("draw '%c' at %d,%d\n",(int)pkg->chr->wch, pkg->x, pkg->y);
711 LoadClient* TitleEngine::new_client()
713 return new TitleUnit(plugin, this);
716 LoadPackage* TitleEngine::new_package()
718 return new TitlePackage;
722 // Copy a single character to the text mask
723 TitleOutlinePackage::TitleOutlinePackage()
729 TitleOutlineUnit::TitleOutlineUnit(TitleMain *plugin, TitleOutlineEngine *server)
732 this->plugin = plugin;
733 this->engine = server;
736 void TitleOutlineUnit::process_package(LoadPackage *package)
738 TitleOutlinePackage *pkg = (TitleOutlinePackage*)package;
739 int r = 0, g = 0, b = 0, outline_a = plugin->config.outline_alpha;
740 get_mask_colors(plugin->config.outline_color, plugin->mask_model, r, g, b);
742 unsigned char **outline_rows = plugin->outline_mask->get_rows();
743 unsigned char **text_rows = plugin->text_mask->get_rows();
744 int mask_w1 = plugin->text_mask->get_w()-1;
745 int mask_h1 = plugin->text_mask->get_h()-1;
746 int oln_sz = plugin->config.outline_size;
748 if( engine->pass == 0 ) {
749 // get max alpha under outline size macropixel
750 for( int y=pkg->y1, my=pkg->y2; y<my; ++y ) {
751 unsigned char *out_row = outline_rows[y];
752 int y1 = y - oln_sz, y2 = y + oln_sz;
753 CLAMP(y1, 0, mask_h1); CLAMP(y2, 0, mask_h1);
754 for( int x=0, mx=plugin->text_mask->get_w(); x<mx; ++x ) {
755 int x1 = x - oln_sz, x2 = x + oln_sz;
756 CLAMP(x1, 0, mask_w1); CLAMP(x2, 0, mask_w1);
758 for( int yy=y1; yy<=y2; ++yy ) {
759 unsigned char *text_row = text_rows[yy];
760 for( int xx = x1; xx <= x2; ++xx ) {
761 unsigned char *pixel = text_row + xx*4;
762 if( pixel[3] > max_a ) max_a = pixel[3];
765 unsigned char *out = out_row + x*4;
766 out[0] = r; out[1] = g; out[2] = b;
767 out[3] = (max_a * outline_a) / 0xff;
773 // Overlay text mask on top of outline mask
774 int ofs = BC_CModels::is_yuv(plugin->output->get_color_model()) ? 0x80 : 0;
775 for( int y=pkg->y1, my=pkg->y2; y<my; ++y ) {
776 unsigned char *outline_row = outline_rows[y];
777 unsigned char *text_row = text_rows[y];
778 for( int x=0, mx=plugin->text_mask->get_w(); x<mx; ++x ) {
779 unsigned char *out = text_row + x * 4;
780 unsigned char *inp = outline_row + x * 4;
781 int out_a = out[3], in_a = inp[3];
782 int transparency = in_a * (0xff - out_a) / 0xff;
783 out[0] = (out[0] * out_a + inp[0] * transparency) / 0xff;
784 out[1] = ((out[1]-ofs) * out_a + (inp[1]-ofs) * transparency) / 0xff + ofs;
785 out[2] = ((out[2]-ofs) * out_a + (inp[2]-ofs) * transparency) / 0xff + ofs;
786 out[3] = in_a + out_a - in_a*out_a / 0xff;
792 TitleOutlineEngine::TitleOutlineEngine(TitleMain *plugin, int cpus)
793 : LoadServer(cpus, cpus)
795 this->plugin = plugin;
798 void TitleOutlineEngine::init_packages()
800 int mask_h = plugin->text_mask->get_h();
801 if( !mask_h ) return;
802 int py1 = 0, py2 = 0;
803 int pkgs = get_total_packages();
804 for( int i=0; i<pkgs; py1=py2 ) {
805 TitleOutlinePackage *pkg = (TitleOutlinePackage*)get_package(i);
806 py2 = (++i * mask_h)/ pkgs;
807 pkg->y1 = py1; pkg->y2 = py2;
811 void TitleOutlineEngine::do_outline()
813 pass = 0; process_packages();
814 pass = 1; process_packages();
817 LoadClient* TitleOutlineEngine::new_client()
819 return new TitleOutlineUnit(plugin, this);
822 LoadPackage* TitleOutlineEngine::new_package()
824 return new TitleOutlinePackage;
828 TitleCurNudge::TitleCurNudge(TitleParser *parser, TitleMain *plugin)
829 : TitleStack<int>(parser, 0)
832 TitleCurColor::TitleCurColor(TitleParser *parser, TitleMain *plugin)
833 : TitleStack<int>(parser, plugin->config.color)
836 TitleCurAlpha::TitleCurAlpha(TitleParser *parser, TitleMain *plugin)
837 : TitleStack<int>(parser, plugin->config.alpha)
840 TitleCurSize::TitleCurSize(TitleParser *parser, TitleMain *plugin)
841 : TitleStack<float>(parser, plugin->config.size)
844 TitleCurBold::TitleCurBold(TitleParser *parser, TitleMain *plugin)
845 : TitleStack<int>(parser, (plugin->config.style & BC_FONT_BOLD) ? 1 : 0)
848 TitleCurItalic::TitleCurItalic(TitleParser *parser, TitleMain *plugin)
849 : TitleStack<int>(parser, (plugin->config.style & BC_FONT_ITALIC) ? 1 : 0)
852 TitleCurFont::TitleCurFont(TitleParser *parser, TitleMain *plugin)
853 : TitleStack<BC_FontEntry*>(parser, plugin->config_font())
856 TitleCurCaps::TitleCurCaps(TitleParser *parser, TitleMain *plugin)
857 : TitleStack<int>(parser, 0)
860 TitleCurUnder::TitleCurUnder(TitleParser *parser, TitleMain *plugin)
861 : TitleStack<int>(parser, 0)
864 TitleCurBlink::TitleCurBlink(TitleParser *parser, TitleMain *plugin)
865 : TitleStack<float>(parser, 0)
868 TitleCurFixed::TitleCurFixed(TitleParser *parser, TitleMain *plugin)
869 : TitleStack<int>(parser, 0)
872 TitleCurAlias::TitleCurAlias(TitleParser *parser, TitleMain *plugin)
873 : TitleStack<int>(parser, (plugin->config.style & FONT_ALIAS) ? 1 : 0)
876 TitleCurSuper::TitleCurSuper(TitleParser *parser, TitleMain *plugin)
877 : TitleStack<int>(parser, 0)
881 TitleParser::TitleParser(TitleMain *plugin)
883 cur_nudge(this, plugin),
884 cur_color(this, plugin),
885 cur_alpha(this, plugin),
886 cur_size(this, plugin),
887 cur_bold(this, plugin),
888 cur_italic(this, plugin),
889 cur_font(this, plugin),
890 cur_caps(this, plugin),
891 cur_under(this, plugin),
892 cur_blink(this, plugin),
893 cur_fixed(this, plugin),
894 cur_alias(this, plugin),
895 cur_super(this, plugin)
897 bfr = out = plugin->config.wtext;
898 lmt = bfr + plugin->config.wlen;
901 TitleMain::TitleMain(PluginServer *server)
902 : PluginVClient(server)
911 freetype_library = 0;
914 window_w = window_h = 0;
915 title_x = title_y = 0;
916 title_w = title_h = 0;
918 text_x = text_y = 0; mask_w = mask_h = 0;
919 mask_x1 = mask_y1 = mask_x2 = mask_y2 = 0;
921 visible_row1 = visible_char1 = 0;
922 visible_row2 = visible_char2 = 0;
924 input = 0; output = 0;
925 output_model = BC_RGBA8888;
926 mask_model = BC_RGBA8888;
927 background = 0; bg_file = 0; bg_frame = 0;
928 render_engine = 0; video_cache = 0;
930 cpus = PluginClient::smp + 1;
931 if( cpus > 8 ) cpus = 8;
933 need_reconfigure = 1;
937 TitleMain::~TitleMain()
940 background->Garbage::remove_user();
943 delete render_engine;
945 video_cache->remove_user();
946 delete overlay_frame;
955 ft_Done_Face(freetype_face);
956 if( freetype_library )
957 ft_Done_FreeType(freetype_library);
959 delete outline_engine;
962 const char* TitleMain::plugin_title() { return N_("Title"); }
963 int TitleMain::is_realtime() { return 1; }
964 int TitleMain::is_synthesis() { return 1; }
966 NEW_WINDOW_MACRO(TitleMain, TitleWindow);
968 void TitleMain::render_gui(void *data)
970 TitleMain *tilter = (TitleMain *)data;
974 int TitleMain::is_dragging()
977 send_render_gui(this);
981 void TitleMain::build_previews(TitleWindow *gui)
983 BC_Resources *resources = BC_WindowBase::get_resources();
984 ArrayList<BC_FontEntry*>&fonts = *resources->fontlist;
986 for( int font_number=0; font_number<fonts.size(); ++font_number ) {
987 BC_FontEntry *font = fonts.get(font_number);
988 // already have examples
989 if( font->image ) return;
992 // create example bitmaps
993 FT_Library freetype_library = 0; // Freetype library
994 FT_Face freetype_face = 0;
995 const char *test_string = "Aa";
996 char new_path[BCTEXTLEN];
997 int text_height = gui->get_text_height(LARGEFONT);
998 int max_height = 3*text_height/2, max_width = 2 * max_height;
999 int text_color = resources->default_text_color;
1000 int r = (text_color >> 16) & 0xff;
1001 int g = (text_color >> 8) & 0xff;
1002 int b = text_color & 0xff;
1003 // dimensions for each line
1004 int height[fonts.size()];
1005 int ascent[fonts.size()];
1007 // pass 1 gets the extents for all the fonts
1008 // pass 2 draws the image
1011 for( int pass=0; pass<2; ++pass ) {
1012 if( resources->font_debug )
1013 printf("Titler: build previews pass %d\n",pass);
1014 //printf("TitleMain::build_previews %d %d %d\n",
1015 //__LINE__, text_height, total_h);
1016 for( int font_number=0; font_number<fonts.size(); ++font_number ) {
1017 BC_FontEntry *font = fonts[font_number];
1018 // test if font of same name has been processed
1020 for( int i=0; i<font_number; ++i ) {
1021 if( !strcasecmp(fonts[i]->displayname, font->displayname) ) {
1023 font->image = new VFrame(*fonts[i]->image);
1030 if( skip ) continue;
1031 if( resources->font_debug )
1032 printf("Titler: preview %s = %s\n",font->displayname, font->path);
1034 font->image = new VFrame;
1035 font->image->set_use_shm(0);
1036 font->image->reallocate(0, -1, 0, 0, 0,
1037 total_w, total_h, BC_RGBA8888, -1);
1038 font->image->clear_frame();
1041 int current_w = 1, current_h = 1;
1042 int current_x = 0, current_ascent = 0;
1043 int len = strlen(test_string);
1045 for( int j=0; j<len; ++j ) {
1046 FT_ULong c = test_string[j];
1047 // memory leaks here are fatal
1048 // check_char_code_path(freetype_library,
1051 // (char *)new_path);
1052 strcpy(new_path, font->path);
1053 if( load_freetype_face(freetype_library, freetype_face, new_path)) continue;
1054 ft_Set_Pixel_Sizes(freetype_face, text_height, 0);
1055 if( ft_Load_Char(freetype_face, c, FT_LOAD_RENDER) ) continue;
1056 int glyph_w = freetype_face->glyph->bitmap.width;
1057 int glyph_h = freetype_face->glyph->bitmap.rows;
1058 if( glyph_h > max_height ) glyph_h = max_height;
1059 int glyph_a = freetype_face->glyph->advance.x >> 6;
1060 int glyph_t = freetype_face->glyph->bitmap_top;
1062 current_w = current_x + glyph_w;
1063 if( current_w > max_width ) current_w = max_width;
1064 if( total_w < current_w ) total_w = current_w;
1065 if( current_ascent < glyph_t ) current_ascent = glyph_t;
1066 if( current_h < glyph_h ) current_h = glyph_h;
1067 if( total_h < glyph_h ) total_h = glyph_h;
1070 // copy 1 row at a time, center vertically
1071 int out_y = (total_h-height[font_number])/2 + ascent[font_number]-glyph_t;
1072 if( out_y < 0 ) out_y = 0;
1073 for( int in_y = 0; in_y < glyph_h && out_y < total_h; ++in_y, ++out_y ) {
1074 unsigned char *in_row = freetype_face->glyph->bitmap.buffer +
1075 freetype_face->glyph->bitmap.pitch * in_y;
1076 int out_x = current_x;
1077 unsigned char *out_row = font->image->get_rows()[out_y] +
1080 for( int in_x = 0; in_x < glyph_w && out_x < total_w; ++in_x, ++out_x ) {
1081 *out_row = (*in_row * r +
1082 (0xff - *in_row) * *out_row) / 0xff; ++out_row;
1083 *out_row = (*in_row * g +
1084 (0xff - *in_row) * *out_row) / 0xff; ++out_row;
1085 *out_row = (*in_row * b +
1086 (0xff - *in_row) * *out_row) / 0xff; ++out_row;
1087 *out_row = MAX(*in_row, *out_row); ++out_row;
1092 current_x += glyph_a;
1094 height[font_number] = current_h;
1095 ascent[font_number] = current_ascent;
1099 if( freetype_library ) ft_Done_FreeType(freetype_library);
1103 //This checks if char_code is on the selected font, else it changes font to the first compatible //Akirad
1104 int TitleMain::check_char_code_path(FT_Library &freetype_library,
1105 char *path_old, FT_ULong &char_code, char *path_new)
1107 FT_Face temp_freetype_face;
1111 FcChar8 *file, *format;
1116 config = fcConfigGetCurrent();
1117 fcConfigSetRescanInterval(config, 0);
1119 pat = fcPatternCreate();
1120 os = fcObjectSetBuild( FC_FILE, FC_FONTFORMAT, (char *) 0);
1121 fs = fcFontList(config, pat, os);
1123 char tmpstring[BCTEXTLEN];
1124 int limit_to_truetype = 0; //if you want to limit search to truetype put 1
1125 if( !freetype_library ) ft_Init_FreeType(&freetype_library);
1126 if( !ft_New_Face(freetype_library, path_old, 0, &temp_freetype_face) ) {
1127 ft_Set_Pixel_Sizes(temp_freetype_face, 128, 0);
1128 int gindex = ft_Get_Char_Index(temp_freetype_face, char_code);
1129 if( gindex != 0 && char_code == 10 ) {
1130 strcpy(path_new, path_old);
1136 for( int i=0; fs && i<fs->nfont; ++i ) {
1137 font = fs->fonts[i];
1138 fcPatternGetString(font, FC_FONTFORMAT, 0, &format);
1139 if( strcmp((char *)format, "TrueType") && !limit_to_truetype ) continue;
1140 if( fcPatternGetString(font, FC_FILE, 0, &file) != FcResultMatch ) continue;
1141 sprintf(tmpstring, "%s", file);
1142 if( !ft_New_Face(freetype_library, tmpstring, 0, &temp_freetype_face) ) continue;
1143 ft_Set_Pixel_Sizes(temp_freetype_face, 128, 0);
1144 int gindex = ft_Get_Char_Index(temp_freetype_face, char_code);
1145 if( gindex != 0 && char_code == 10 ) {
1146 sprintf(path_new, "%s", tmpstring);
1154 if( fs ) fcFontSetDestroy(fs);
1155 if( temp_freetype_face ) ft_Done_Face(temp_freetype_face);
1156 temp_freetype_face = 0;
1159 strcpy(path_new, path_old);
1167 int TitleMain::load_freetype_face(FT_Library &freetype_library,
1168 FT_Face &freetype_face, const char *path)
1170 //printf("TitleMain::load_freetype_face 1\n");
1171 if( !freetype_library )
1172 ft_Init_FreeType(&freetype_library);
1174 ft_Done_Face(freetype_face);
1176 //printf("TitleMain::load_freetype_face 2\n");
1178 // Use freetype's internal function for loading font
1179 if( ft_New_Face(freetype_library, path, 0, &freetype_face) ) {
1180 fprintf(stderr, _("TitleMain::load_freetype_face %s failed.\n"), path);
1182 freetype_library = 0;
1188 int TitleMain::load_font(BC_FontEntry *font)
1190 if( !font || load_freetype_face(freetype_library,freetype_face, font->path) ) return 1;
1191 strcpy(text_font, font->displayname);
1196 Indexable *TitleMain::open_background(const char *filename)
1198 delete render_engine; render_engine = 0;
1199 if( video_cache ) { video_cache->remove_user(); video_cache = 0; }
1200 delete bg_file; bg_file = new File;
1202 Asset *asset = new Asset(filename);
1203 int result = bg_file->open_file(server->preferences, asset, 1, 0);
1204 if( result == FILE_OK ) return (Indexable *)asset;
1206 asset->Garbage::remove_user();
1207 delete bg_file; bg_file = 0;
1208 if( result != FILE_IS_XML ) return 0;
1211 if( xml_file.read_from_file(filename) ) return 0;
1212 EDL *nested_edl = new EDL;
1213 nested_edl->create_objects();
1214 nested_edl->set_path(filename);
1215 nested_edl->load_xml(&xml_file, LOAD_ALL);
1216 TransportCommand command;
1217 //command.command = audio_tracks ? NORMAL_FWD : CURRENT_FRAME;
1218 command.command = CURRENT_FRAME;
1219 command.get_edl()->copy_all(nested_edl);
1220 command.change_type = CHANGE_ALL;
1221 command.realtime = 0;
1222 render_engine = new RenderEngine(0, server->preferences, 0, 0);
1223 render_engine->set_vcache(video_cache = new CICache(server->preferences));
1224 render_engine->arm_command(&command);
1225 return (Indexable *)nested_edl;
1228 int TitleMain::read_background(VFrame *frame, int64_t position, int color_model)
1231 VFrame *iframe = frame;
1232 int bw = background->get_w(), bh = background->get_h();
1233 if( background->is_asset ) {
1234 Asset *asset = (Asset *)background;
1235 if( bw != asset->width || bh != asset->height )
1236 iframe = new_temp(asset->width, asset->height, color_model);
1237 int64_t source_position = (int64_t)(position *
1238 asset->frame_rate / project_frame_rate);
1239 if( config.loop_playback ) {
1240 int64_t loop_size = asset->get_video_frames();
1241 source_position -= (int64_t)(source_position / loop_size) * loop_size;
1244 bg_file->set_video_position(source_position, 0);
1245 result = bg_file->read_frame(iframe);
1249 EDL *nested_edl = (EDL *)background;
1250 if( color_model != nested_edl->session->color_model ||
1251 bw != nested_edl->session->output_w ||
1252 bh != nested_edl->session->output_h )
1254 nested_edl->session->output_w,
1255 nested_edl->session->output_h,
1256 nested_edl->session->color_model);
1257 int64_t source_position = (int64_t)(position *
1258 nested_edl->session->frame_rate / project_frame_rate);
1259 if( config.loop_playback ) {
1260 int64_t loop_size = nested_edl->get_video_frames();
1261 source_position -= (int64_t)(source_position / loop_size) * loop_size;
1263 if( render_engine->vrender )
1264 result = render_engine->vrender->process_buffer(iframe, source_position, 0);
1266 if( !result && iframe != frame )
1267 frame->transfer_from(iframe);
1271 void TitleMain::draw_background()
1274 if( strcmp(background->path, config.background_path) ) {
1276 background->Garbage::remove_user();
1285 if( !background && config.background_path[0] && !access(config.background_path,R_OK) )
1286 background = open_background(config.background_path);
1288 int bw = background->get_w(), bh = background->get_h();
1289 if( bg_frame && (bg_frame->get_w() != bw || bg_frame->get_h() != bh ||
1290 bg_frame->get_color_model() != output_model) ) {
1291 delete bg_frame; bg_frame = 0;
1294 bg_frame = new VFrame(bw, bh, output_model);
1295 int64_t position = get_source_position() - get_source_start();
1296 if( !read_background(bg_frame, position, output_model) ) {
1297 if( !overlay_frame )
1298 overlay_frame = new OverlayFrame(cpus);
1299 float in_x1 = 0, in_x2 = bg_frame->get_w();
1300 float in_y1 = 0, in_y2 = bg_frame->get_h();
1301 float out_x1 = config.title_x, out_x2 = out_x1 + title_w;
1302 float out_y1 = config.title_y, out_y2 = out_y1 + title_h;
1303 overlay_frame->overlay(output, bg_frame,
1304 in_x1,in_y1, in_x2,in_y2,
1305 out_x1,out_y1, out_x2,out_y2,
1306 1, TRANSFER_NORMAL, CUBIC_LINEAR);
1311 BC_FontEntry* TitleMain::get_font(const char *font_name, int style)
1313 if( !strcmp("fixed", font_name) )
1314 font_name = FIXED_FONT;
1315 int flavor = FL_WIDTH_MASK |
1316 ((style & BC_FONT_ITALIC) != 0 ? FL_SLANT_ITALIC | FL_SLANT_OBLIQUE : FL_SLANT_ROMAN) |
1317 ((style & BC_FONT_BOLD) != 0 ? FL_WEIGHT_BOLD | FL_WEIGHT_DEMIBOLD |
1318 FL_WEIGHT_EXTRABOLD| FL_WEIGHT_BLACK | FL_WEIGHT_EXTRABLACK :
1319 FL_WEIGHT_BOOK | FL_WEIGHT_NORMAL | FL_WEIGHT_MEDIUM |
1320 FL_WEIGHT_LIGHT | FL_WEIGHT_EXTRALIGHT | FL_WEIGHT_THIN);
1322 int mask = FL_WEIGHT_MASK | FL_SLANT_MASK | FL_WIDTH_MASK;
1324 BC_Resources *resources = BC_WindowBase::get_resources();
1325 BC_FontEntry *font = resources->find_fontentry(font_name, flavor, mask, style);
1326 if( font && strcmp(font_name, font->displayname) ) font = 0;
1329 BC_FontEntry* TitleMain::config_font()
1331 BC_FontEntry *font = get_font(config.font, config.style);
1332 if( !font || load_font(font) )
1333 load_font(font = get_font(FIXED_FONT,0));
1338 static inline bool is_ltr(wchr_t wch) { return iswalpha(wch); }
1339 static inline bool is_nbr(wchr_t wch) { return iswdigit(wch); }
1340 static inline bool is_ws(wchr_t wch) { return wch==' ' || wch=='\t'; }
1341 static inline bool is_idch(wchr_t wch) { return is_ltr(wch) || is_nbr(wch) || wch=='_'; }
1343 // return eof=-1, chr=0, opener=1, closer=2
1344 int TitleParser::wget(wchr_t &wch)
1346 wchr_t *wip = wid, *wtp = wtxt; *wip = 0; *wtp = 0;
1347 int ilen = sizeof(wid)/sizeof(wid[0]);
1348 int tlen = sizeof(wtxt)/sizeof(wtxt[0]);
1350 while( (ich=wnext()) >= 0 ) {
1352 if( (ich=wnext()) < 0 ) break;
1353 if( !ich || ich == '\n' ) continue;
1357 if( ich == '<' ) break;
1358 if( ich != '#' ) { wch = ich; return 0; }
1359 while( (ich=wnext()) >= 0 && ich != '\n' );
1360 if( ich < 0 ) break;
1362 if( ich < 0 ) return -1;
1363 int ret = 1; long pos = tell();
1364 if( (ich=wnext()) == '/' ) { ret = 2; ich = wnext(); }
1367 while( is_idch(ich=wnext()) )
1368 if( --ilen > 0 ) *wip++ = ich;
1371 while( is_ws(ich) ) ich = wnext();
1372 while( ich >= 0 && ich != '>' ) {
1373 if( ich == '\n' || ich == '<' ) { ich = -1; break; }
1374 if( ich == '\\' && (ich=wnext()) < 0 ) break;
1375 if( --tlen > 0 ) *wtp++ = ich;
1379 if( ich < 0 ) { ich = '<'; seek(pos); ret = 0; }
1383 int TitleParser::tget(wchr_t &wch)
1385 int ret = wget(wch);
1387 int wid_len = wstrlen(wid)+1;
1388 BC_Resources::encode(
1389 BC_Resources::wide_encoding, plugin->config.encoding,
1390 (char*)wid,wid_len*sizeof(wid[0]), (char *)id,sizeof(id));
1391 int wtxt_len = wstrlen(wtxt)+1;
1392 BC_Resources::encode(
1393 BC_Resources::wide_encoding, plugin->config.encoding,
1394 (char*)wtxt,wtxt_len*sizeof(wtxt[0]), (char *)text,sizeof(text));
1399 TitleGlyph *TitleMain::get_glyph(FT_ULong char_code, BC_FontEntry *font, int size, int style)
1401 for( int i=0, n=title_glyphs.count(); i<n; ++i ) {
1402 TitleGlyph *glyph = title_glyphs[i];
1403 if( glyph->char_code == char_code && glyph->font == font &&
1404 glyph->size == size && glyph->style == style )
1410 int TitleMain::get_width(TitleGlyph *cur, TitleGlyph *nxt)
1412 if( !cur || cur->char_code == '\n' ) return 0;
1413 int result = cur->advance_x;
1414 if( !nxt ) return result;
1416 if( !ft_Get_Kerning(freetype_face,
1417 cur->freetype_index, nxt->freetype_index,
1418 ft_kerning_default, &kerning) )
1419 result += (kerning.x >> 6);
1424 VFrame *TitleMain::get_image(const char *path)
1426 for( int i=0; i<title_images.count(); ++i ) {
1427 if( !strcmp(path, title_images[i]->path) )
1428 return title_images[i]->vframe;
1433 VFrame *TitleMain::add_image(const char *path)
1435 VFrame *vframe = get_image(path);
1436 if( !vframe && (vframe=VFramePng::vframe_png(path)) != 0 ) {
1437 if( vframe->get_color_model() != text_model ) {
1438 VFrame *frame = new VFrame(vframe->get_w(), vframe->get_h(),
1440 frame->transfer_from(vframe); delete vframe;
1443 title_images.append(new TitleImage(path, vframe));
1448 int TitleCurColor::set(const char *txt)
1450 #define BCOLOR(NM) { #NM, NM }
1451 static const struct { const char *name; int color; } colors[] = {
1452 BCOLOR(MNBLUE), BCOLOR(ORANGE), BCOLOR(BLOND),
1453 BCOLOR(MNGREY), BCOLOR(FGGREY), BCOLOR(FTGREY), BCOLOR(DKGREY),
1454 BCOLOR(LTGREY), BCOLOR(MEGREY), BCOLOR(DMGREY), BCOLOR(MDGREY),
1455 BCOLOR(LTPURPLE),BCOLOR(MEPURPLE),BCOLOR(MDPURPLE), BCOLOR(DKPURPLE),
1456 BCOLOR(LTCYAN), BCOLOR(MECYAN), BCOLOR(MDCYAN), BCOLOR(DKCYAN),
1457 BCOLOR(YELLOW), BCOLOR(LTYELLOW),BCOLOR(MEYELLOW), BCOLOR(MDYELLOW),
1458 BCOLOR(LTGREEN), BCOLOR(DKGREEN), BCOLOR(DKYELLOW), BCOLOR(LTPINK),
1459 BCOLOR(PINK), BCOLOR(LTBLUE), BCOLOR(DKBLUE),
1460 BCOLOR(RED), BCOLOR(GREEN), BCOLOR(BLUE),
1461 BCOLOR(BLACK), BCOLOR(WHITE),
1465 if( txt[0] == '#' ) {
1466 if( sscanf(&txt[1], "%x", &color) != 1 ) return 1;
1469 int i = sizeof(colors)/sizeof(colors[0]);
1470 while( --i >= 0 && strcasecmp(txt, colors[i].name) );
1471 if( i < 0 ) return 1;
1472 color = colors[i].color;
1476 color = parser->plugin->config.color;
1481 int TitleCurAlpha::set(const char *txt)
1484 parser->plugin->config.alpha :
1485 strtof(txt,(char**)&txt) * 255;
1487 if( *txt || alpha < 0 || alpha > 255 ) return 1;
1492 int TitleCurSize::set(const char *txt)
1496 size = parser->plugin->config.size;
1498 else if( *txt == '+' || *txt == '-' ) {
1500 for( int ch; (ch=*txt)!=0; ++txt ) {
1501 if( ch == '+' ) { size *= 5./4.; continue; }
1502 if( ch == '-' ) { size *= 4./5.; continue; }
1507 size = strtof(txt,(char**)&txt);
1509 if( *txt || size <= 0 || size > 2048 ) return 1;
1510 int style = parser->cur_font.style();
1511 if( !parser->cur_font.set(0,style) ) return 1;
1515 int TitleCurSize::unset(const char *txt)
1517 if( pop() ) return 1;
1518 int style = parser->cur_font.style();
1519 parser->cur_font.set(0,style);
1524 int TitleCurBold::set(const char *txt)
1526 int bold = !*txt ? 1 :
1527 strtol(txt,(char**)&txt,0);
1528 if( *txt || bold < 0 || bold > 1 ) return 1;
1529 int style = parser->cur_font.style();
1530 if( bold ) style |= BC_FONT_BOLD;
1531 else style &= ~BC_FONT_BOLD;
1532 if( !parser->cur_font.set(0,style) ) return 1;
1536 int TitleCurBold::unset(const char *txt)
1538 if( pop() ) return 1;
1539 int style = parser->cur_font.style();
1540 parser->cur_font.set(0,style);
1544 int TitleCurItalic::set(const char *txt)
1546 int italic = !*txt ? 1 :
1547 strtol(txt,(char**)&txt,0);
1548 if( *txt || italic < 0 || italic > 1 ) return 1;
1549 int style = parser->cur_font.style();
1550 if( italic ) style |= BC_FONT_ITALIC;
1551 else style &= ~BC_FONT_ITALIC;
1552 if( !parser->cur_font.set(0,style) ) return 1;
1556 int TitleCurItalic::unset(const char *txt)
1558 if( pop() ) return 1;
1559 int style = parser->cur_font.style();
1560 parser->cur_font.set(0,style);
1565 int TitleCurFont::style()
1568 if( parser->cur_bold ) style |= BC_FONT_BOLD;
1569 if( parser->cur_italic ) style |= BC_FONT_ITALIC;
1572 BC_FontEntry* TitleCurFont::get(const char *txt, int style)
1574 if( !txt ) txt = parser->plugin->text_font;
1575 else if( !*txt ) txt = parser->plugin->config.font;
1576 return parser->plugin->get_font(txt, style);
1578 BC_FontEntry *TitleCurFont::set(const char *txt, int style)
1580 BC_FontEntry *font = get(txt, style);
1581 if( !font || parser->plugin->load_font(font) ) return 0;
1582 if( !txt ) (BC_FontEntry*&)*this = font;
1585 int TitleCurFont::set(const char *txt)
1587 BC_FontEntry *font = set(txt, style());
1588 if( !font ) return 1;
1592 int TitleCurFont::unset(const char *txt)
1594 if( *txt || pop() ) return 1;
1595 BC_FontEntry *font = *this;
1596 if( !font ) return 1;
1597 font = get(font->displayname, style());
1598 if( !font ) return 1;
1599 (BC_FontEntry*&)*this = font;
1603 int TitleCurCaps::set(const char *txt)
1605 int caps = !*txt ? 1 : strtol(txt,(char **)&txt,0);
1606 if( *txt || caps < -1 || caps > 1 ) return 1;
1611 int TitleCurBlink::set(const char *txt)
1613 float blink = !*txt ? 1 : strtof(txt,(char **)&txt);
1614 if( *txt ) return 1;
1619 int TitleCurFixed::set(const char *txt)
1622 parser->cur_size*3/4 :
1623 strtol(txt,(char **)&txt,0);
1624 if( *txt || fixed < 0 ) return 1;
1629 int TitleCurAlias::set(const char *txt)
1631 int alias = !*txt ? 1 : strtol(txt,(char **)&txt,0);
1632 if( *txt ) return 1;
1637 int TitleCurSuper::set(const char *txt)
1639 int super = !*txt ? 1 : strtol(txt,(char **)&txt,0);
1640 if( *txt || super < -1 || super > 1 ) return 1;
1645 int TitleCurNudge::set(const char *txt)
1647 if( !*txt ) return 1;
1648 short nx = strtol(txt,(char **)&txt,0);
1649 if( *txt++ != ',' ) return 1;
1650 short ny = strtol(txt,(char **)&txt,0);
1651 if( *txt ) return 1;
1652 int nudge = (nx << 16) | (ny & 0xffff);
1657 int TitleParser::set_attributes(int ret)
1659 if( !kw_strcmp(id,KW_NUDGE) ) return ret>1 ? cur_nudge.unset(text) : cur_nudge.set(text);
1660 if( !kw_strcmp(id,KW_COLOR) ) return ret>1 ? cur_color.unset(text) : cur_color.set(text);
1661 if( !kw_strcmp(id,KW_ALPHA) ) return ret>1 ? cur_alpha.unset(text) : cur_alpha.set(text);
1662 if( !kw_strcmp(id,KW_FONT) ) return ret>1 ? cur_font.unset(text) : cur_font.set(text);
1663 if( !kw_strcmp(id,KW_SIZE) ) return ret>1 ? cur_size.unset(text) : cur_size.set(text);
1664 if( !kw_strcmp(id,KW_BOLD) ) return ret>1 ? cur_bold.unset(text) : cur_bold.set(text);
1665 if( !kw_strcmp(id,KW_ITALIC) ) return ret>1 ? cur_italic.unset(text) : cur_italic.set(text);
1666 if( !kw_strcmp(id,KW_CAPS) ) return ret>1 ? cur_caps.unset(text) : cur_caps.set(text);
1667 if( !kw_strcmp(id,KW_UL) ) return ret>1 ? cur_under.unset(text) : cur_under.set(text);
1668 if( !kw_strcmp(id,KW_BLINK) ) return ret>1 ? cur_blink.unset(text) : cur_blink.set(text);
1669 if( !kw_strcmp(id,KW_FIXED) ) return ret>1 ? cur_fixed.unset(text) : cur_fixed.set(text);
1670 if( !kw_strcmp(id,KW_ALIAS) ) return ret>1 ? cur_alias.unset(text) : cur_alias.set(text);
1671 if( !kw_strcmp(id,KW_SUP) ) return ret>1 ? cur_super.unset(text) : cur_super.set(text);
1676 void TitleMain::load_glyphs()
1678 // Build table of all glyphs needed
1679 TitleParser wchrs(this);
1680 int total_packages = 0;
1682 while( !wchrs.eof() ) {
1683 wchr_t wch1 = wchrs.wcur(), wch;
1684 long ipos = wchrs.tell();
1685 int ret = wchrs.tget(wch);
1687 if( !wchrs.set_attributes(ret) ) continue;
1688 if( !kw_strcmp(wchrs.id,KW_PNG) && add_image(wchrs.text) ) continue;
1689 wch = wch1; wchrs.seek(ipos+1);
1692 if( ret || wch == '\n' ) continue;
1694 int cur_caps = wchrs.cur_caps;
1695 if( cur_caps > 0 ) wch = towupper(wch);
1696 else if( cur_caps < 0 ) wch = towlower(wch);
1697 BC_FontEntry *cur_font = wchrs.cur_font;
1698 int cur_size = wchrs.cur_size;
1700 int cur_bold = wchrs.cur_bold;
1701 if( cur_bold ) cur_style |= BC_FONT_BOLD;
1702 int cur_italic = wchrs.cur_italic;
1703 if( cur_italic ) cur_style |= BC_FONT_ITALIC;
1704 int cur_alias = wchrs.cur_alias;
1705 if( cur_alias ) cur_style |= FONT_ALIAS;
1706 int cur_super = wchrs.cur_super;
1707 if( cur_super ) cur_size /= 2;
1709 for( int j=0; j<title_glyphs.count(); ++j ) {
1710 TitleGlyph *glyph = title_glyphs[j];
1711 if( glyph->char_code == (FT_ULong)wch && glyph->font == cur_font &&
1712 glyph->size == cur_size && glyph->style == cur_style ) {
1717 if( !exists && cur_font ) {
1719 TitleGlyph *glyph = new TitleGlyph;
1720 glyph->char_code = (FT_ULong)wch;
1721 glyph->font = cur_font;
1722 glyph->size = cur_size;
1723 glyph->style = cur_style;
1724 title_glyphs.append(glyph);
1729 glyph_engine = new GlyphEngine(this, cpus);
1731 glyph_engine->set_package_count(total_packages);
1732 glyph_engine->process_packages();
1736 TitleImage::TitleImage(const char *path, VFrame *vfrm)
1738 this->path = cstrdup(path);
1739 this->vframe = vfrm;
1741 TitleImage::~TitleImage()
1747 TitleChar *TitleChar::init(int typ, void *vp)
1763 TitleRow *TitleRow::init()
1766 x1 = y2 = 0; //MAX_FLT;
1767 y1 = x2 = 0; //MIN_FLT;
1771 int TitleMain::get_text()
1773 // Determine extents of total text
1774 title_chars.reset();
1776 int pitch = config.line_pitch;
1777 float font_h = config.size;
1780 TitleParser wchrs(this);
1783 float row_w = 0, row_h = 0;
1784 float row_x = 0, row_y = 0;
1788 if( !row ) row = title_rows.add();
1790 long ipos = wchrs.tell();
1791 wchr_t wch1 = wchrs.wcur(), wch;
1792 int ret = wchrs.tget(wch);
1793 if( ret < 0 || wch == '\n' ) {
1794 if( row->x1 > row->x2 ) row->x1 = row->x2 = 0;
1795 if( row->y2 > row->y1 ) row->y1 = row->y2 = 0;
1796 int dy = row->y1 - descent;
1797 row_y += pitch ? pitch : dy > font_h ? dy : font_h;
1800 if( row_x > row_w ) row_w = row_x;
1801 if( row_y > row_h ) row_h = row_y;
1802 text_rows = title_rows.count();
1804 if( ret < 0 ) break;
1807 BC_FontEntry *cur_font = wchrs.cur_font;
1808 int cur_color = wchrs.cur_color;
1809 int cur_alpha = wchrs.cur_alpha;
1810 float cur_size = wchrs.cur_size;
1811 int cur_caps = wchrs.cur_caps;
1812 int cur_under = wchrs.cur_under;
1813 float cur_blink = wchrs.cur_blink;
1814 int cur_fixed = wchrs.cur_fixed;
1815 int cur_super = wchrs.cur_super;
1816 int cur_nudge = wchrs.cur_nudge;
1818 int cur_bold = wchrs.cur_bold;
1819 if( cur_bold ) cur_style |= BC_FONT_BOLD;
1820 int cur_alias = wchrs.cur_alias;
1821 if( cur_alias ) cur_style |= FONT_ALIAS;
1822 int cur_italic = wchrs.cur_italic;
1823 if( cur_italic ) cur_style |= BC_FONT_ITALIC;
1824 short nx = cur_nudge >> 16, ny = cur_nudge;
1825 int cx = nx, cy = ny, cw = 0, ch = 0, dx = 0;
1827 if( !wchrs.set_attributes(ret) ) continue;
1829 if( !kw_strcmp(wchrs.id,KW_PNG) ) {
1830 VFrame *png_image = get_image(wchrs.text);
1832 chr = title_chars.add(CHAR_IMAGE, png_image);
1833 cy += ch = png_image->get_h();
1834 cw = dx = png_image->get_w();
1839 wch = wch1; wchrs.seek(ipos+1);
1843 if( cur_caps > 0 ) wch = towupper(wch);
1844 else if( cur_caps < 0 ) wch = towlower(wch);
1845 int size = !cur_super ? cur_size : cur_size/2;
1846 TitleGlyph *gp = get_glyph(wch, cur_font, size, cur_style);
1849 if( cur_super > 0 ) cy += cur_size-4*size/3;
1850 else if( cur_super < 0 ) cy -= size/3;
1856 else if( !wchrs.eof() ) {
1857 TitleGlyph *np = get_glyph(wchrs.wcur(), cur_font, cur_size, cur_style);
1858 dx = get_width(gp, np);
1861 chr = title_chars.add(CHAR_GLYPH, gp);
1864 cw = gp->right - gp->left;
1865 ch = gp->top - gp->bottom;
1868 if( !chr ) continue;
1870 chr->size = cur_size;
1871 chr->blink = cur_blink;
1872 chr->color = cur_color;
1873 chr->alpha = cur_alpha;
1875 if( cur_fixed ) chr->flags |= FLAG_FIXED;
1876 if( cur_super > 0 ) chr->flags |= FLAG_SUPER;
1877 if( cur_super < 0 ) chr->flags |= FLAG_SUBER;
1878 if( cur_under ) chr->flags |= FLAG_UNDER;
1879 if( cur_blink ) chr->flags |= FLAG_BLINK;
1880 chr->x = (cx += row_x);
1883 row->bound(cx,cy, cx+cw,cy-ch);
1884 chr->row = text_rows;
1888 if( !row_w || !row_h ) return 1;
1890 // rows boundary, note: row->xy is y up (FT), row_xy is y down (X)
1891 text_x1 = text_y1 = MAX_FLT;
1892 text_x2 = text_y2 = MIN_FLT;
1893 for( int i=0; i<text_rows; ++i ) {
1894 row = title_rows[i];
1895 switch( config.hjustification ) {
1896 case JUSTIFY_LEFT: row->x0 = 0; break;
1897 case JUSTIFY_CENTER: row->x0 = (row_w - (row->x2-row->x1)) / 2; break;
1898 case JUSTIFY_RIGHT: row->x0 = row_w - (row->x2-row->x1); break;
1901 if( text_x1 > (v=row->x0+row->x1) ) text_x1 = v;
1902 if( text_y1 > (v=row->y0-row->y1) ) text_y1 = v;
1903 if( text_x2 < (v=row->x0+row->x2) ) text_x2 = v;
1904 if( text_y2 < (v=row->y0-row->y2) ) text_y2 = v;
1906 if( text_x1 > text_x2 || text_y1 > text_y2 ) return 1;
1907 text_x1 += fuzz1; text_y1 += fuzz1;
1908 text_x2 += fuzz2; text_y2 += fuzz2;
1909 text_w = text_x2 - text_x1;
1910 text_h = text_y2 - text_y1;
1914 int TitleMain::get_visible_text()
1916 // Determine y of visible text
1917 switch( config.motion_strategy ) {
1919 case TOP_TO_BOTTOM: {
1920 float magnitude = config.pixels_per_second *
1921 (get_source_position() - config.prev_keyframe_position) /
1922 PluginVClient::project_frame_rate;
1924 int loop_size = text_h + title_h;
1925 magnitude -= (int)(magnitude / loop_size) * loop_size;
1927 text_y = config.motion_strategy == BOTTOM_TO_TOP ?
1928 title_h - magnitude :
1931 default: switch( config.vjustification ) {
1932 case JUSTIFY_TOP: text_y = 0; break;
1933 case JUSTIFY_MID: text_y = (title_h - text_h) / 2; break;
1934 case JUSTIFY_BOTTOM: text_y = title_h - text_h; break;
1938 // Determine x of visible text
1939 switch( config.motion_strategy ) {
1941 case LEFT_TO_RIGHT: {
1942 float magnitude = config.pixels_per_second *
1943 (get_source_position() - get_source_start()) /
1944 PluginVClient::project_frame_rate;
1946 int loop_size = text_w + title_w;
1947 magnitude -= (int)(magnitude / loop_size) * loop_size;
1949 text_x = config.motion_strategy == RIGHT_TO_LEFT ?
1950 title_w - magnitude :
1953 default: switch ( config.hjustification ) {
1954 case JUSTIFY_LEFT: text_x = 0; break;
1955 case JUSTIFY_CENTER: text_x = (title_w - text_w) / 2; break;
1956 case JUSTIFY_RIGHT: text_x = title_w - text_w; break;
1961 // until bottom of this row is visible
1963 int y0 = text_y - text_y1;
1964 while( row1 < text_rows ) {
1965 TitleRow *row = title_rows[row1];
1966 if( y0 + row->y0-row->y2 > 0 ) break;
1969 if( row1 >= text_rows ) return 0;
1971 // until top of next row is not visible
1974 while( row2 < text_rows ) {
1975 TitleRow *row = title_rows[row2];
1976 if( y0 + row->y0-row->y1 >= 0 ) break;
1979 if( row1 >= row2 ) return 0;
1981 //printf("get_visible_rows: visible_row1/2 = %d to %d\n",visible_row1,visible_row2);
1982 // Only draw visible chars
1983 double frame_rate = PluginVClient::get_project_framerate();
1984 int64_t units = get_source_position() - get_source_start();
1985 double position = units / frame_rate;
1987 int char1 = -1, char2 = -1, nchars = title_chars.count();
1988 for( int i=0; i<nchars; ++i ) {
1989 TitleChar *chr = title_chars[i];
1990 if( chr->row < row1 ) continue;
1991 if( chr->row >= row2 ) break;
1992 if( char1 < 0 ) char1 = i;
1994 if( (chr->flags & FLAG_BLINK) != 0 ) {
1996 double rate = 1 / fabs(chr->blink), rate2 = 2 * rate;
1997 double pos = position - ((int64_t)(position / rate2)) * rate2;
1998 chr->fade = chr->blink > 0 ?
1999 (pos > rate ? 0 : 1) : fabs(rate+pos) / rate;
2002 if( char1 < 0 ) char1 = 0;
2004 if( !blinking && visible_row1 == row1 && visible_row2 == row2 ) return 0;
2006 visible_row1 = row1; visible_row2 = row2;
2007 visible_char1 = char1; visible_char2 = char2;
2012 int TitleMain::draw_text(int need_redraw)
2014 // until top of next row is not visible
2015 mask_x1 = mask_y1 = INT_MAX;
2016 mask_x2 = mask_y2 = INT_MIN;
2017 for( int i=visible_row1; i<visible_row2; ++i ) {
2018 int v; TitleRow *row = title_rows[i];
2019 if( mask_x1 > (v=row->x0+row->x1) ) mask_x1 = v;
2020 if( mask_y1 > (v=row->y0-row->y1) ) mask_y1 = v;
2021 if( mask_x2 < (v=row->x0+row->x2) ) mask_x2 = v;
2022 if( mask_y2 < (v=row->y0-row->y2) ) mask_y2 = v;
2024 if( mask_x1 >= mask_x2 || mask_y1 >= mask_y2 ) return 1;
2026 mask_x1 += fuzz1; mask_y1 += fuzz1;
2027 mask_x2 += fuzz2; mask_y2 += fuzz2;
2028 mask_w = mask_x2 - mask_x1;
2029 mask_h = mask_y2 - mask_y1;
2031 //printf("TitleMain::draw_text %d-%d frame %dx%d\n",
2032 // visible_row1, visible_row2, mask_w,mask_h);
2033 if( text_mask && (text_mask->get_color_model() != text_model ||
2034 text_mask->get_w() != mask_w || text_mask->get_h() != mask_h) ) {
2035 delete text_mask; text_mask = 0;
2036 delete stroke_mask; stroke_mask = 0;
2040 // Always use 8 bit because the glyphs are 8 bit
2041 // Need to set YUV to get clear_frame to set the right chroma.
2042 mask_model = text_model;
2043 text_mask = new VFrame;
2044 text_mask->set_use_shm(0);
2045 text_mask->reallocate(0, -1, 0, 0, 0, mask_w, mask_h, mask_model, -1);
2046 int drop = abs(config.dropshadow);
2047 int drop_w = mask_w + drop;
2048 int drop_h = mask_h + drop;
2049 stroke_mask = new VFrame;
2050 stroke_mask->set_use_shm(0);
2051 stroke_mask->reallocate(0, -1, 0, 0, 0, drop_w, drop_h, mask_model, -1);
2055 // Draw on text mask if it has changed
2057 //printf("redraw %d to %d %d,%d %d,%d - %d,%d\n", visible_char1,visible_char2,
2058 // ext_x0, ext_y0, ext_x1,ext_y1, ext_x2,ext_y2);
2060 text_mask->clear_frame();
2061 stroke_mask->clear_frame();
2063 unsigned char *data = text_mask->get_data(); // draw bbox on text
2064 for( int x=0; x<mask_w; ++x ) data[4*x+3] = 0xff;
2065 for( int x=0; x<mask_w; ++x ) data[4*((mask_h-1)*mask_w+x)+3] = 0xff;
2066 for( int y=0; y<mask_h; ++y ) data[4*mask_w*y+3] = 0xff;
2067 for( int y=0; y<mask_h; ++y ) data[4*(mask_w*y + mask_w-1)+3] = 0xff;
2070 title_engine = new TitleEngine(this, cpus);
2072 // Draw dropshadow first
2073 if( config.dropshadow ) {
2074 title_engine->do_dropshadow = 1;
2075 title_engine->set_package_count(visible_char2 - visible_char1);
2076 title_engine->process_packages();
2079 // Then draw foreground
2080 title_engine->do_dropshadow = 0;
2081 title_engine->set_package_count(visible_char2 - visible_char1);
2082 title_engine->process_packages();
2084 draw_underline(text_mask, config.alpha);
2086 // Convert to text outlines
2087 if( config.outline_size > 0 ) {
2089 (text_mask->get_w() != outline_mask->get_w() ||
2090 text_mask->get_h() != outline_mask->get_h()) ) {
2091 delete outline_mask; outline_mask = 0;
2094 if( !outline_mask ) {
2095 outline_mask = new VFrame;
2096 outline_mask->set_use_shm(0);
2097 outline_mask->reallocate(0, -1, 0, 0, 0,
2098 text_mask->get_w(), text_mask->get_h(),
2099 text_mask->get_color_model(), -1);
2101 if( !outline_engine ) outline_engine =
2102 new TitleOutlineEngine(this, cpus);
2103 outline_engine->do_outline();
2111 int TitleMain::draw_underline(VFrame *mask, int alpha)
2113 int row = -1, sz = -1, color = -1, rgb = -1;
2114 int bpp = mask->get_bytes_per_pixel(), bpp1 = bpp-1;
2115 int x1 = 0, x2 = 0, y0 = 0;
2116 for( int i=visible_char1; i<visible_char2; ) {
2117 TitleChar *chr = title_chars[i];
2118 if( (chr->flags & FLAG_UNDER) && row < 0 ) {
2120 rgb = chr->color; int rr, gg, bb;
2121 get_mask_colors(rgb, mask_model, rr, gg, bb);
2122 color = (rr<<16) | (gg<<8) | (bb<<0);
2124 TitleRow *rp = title_rows[row];
2125 x1 = rp->x0 + chr->x;
2128 if( (chr->flags & FLAG_UNDER) && row == chr->row && chr->color == rgb ) {
2129 TitleRow *rp = title_rows[row];
2130 x2 = rp->x0 + chr->x + chr->dx;
2131 if( sz < chr->size ) sz = chr->size;
2132 if( ++i < visible_char2 ) continue;
2134 if( row < 0 ) { ++i; continue; }
2135 x1 -= mask_x1; x2 -= mask_x1; y0 -= mask_y1;
2136 if( x1 < 0 ) x1 = 0;
2137 if( x2 > mask_w ) x2 = mask_w;
2138 int sz1 = sz / 32 + 1, sz2 = sz1/2;
2139 int y1 = y0 - sz2, y2 = y1 + sz1;
2140 if( y1 < 0 ) y1 = 0;
2141 if( y2 > mask_h ) y2 = mask_h;
2142 unsigned char **rows = mask->get_rows();
2143 for( int y=y1; y<y2; ++y ) {
2144 unsigned char *rp = rows[y];
2145 for( int x=x1; x<x2; ++x ) {
2146 unsigned char *bp = rp + bpp * x;
2147 for( int i=bpp1; --i>=0; ) *bp++ = color>>(8*i);
2156 void TitleMain::draw_overlay()
2158 //printf("TitleMain::draw_overlay 1\n");
2160 if( !EQUIV(config.fade_in, 0) ) {
2161 int64_t plugin_start = get_startproject();
2162 int64_t fade_len = lroundf(config.fade_in * PluginVClient::project_frame_rate);
2163 int64_t fade_position = get_source_position() - plugin_start;
2165 if( fade_position >= 0 && fade_position < fade_len ) {
2166 fade = (float)fade_position / fade_len;
2169 if( !EQUIV(config.fade_out, 0) ) {
2170 int64_t plugin_end = get_endproject();
2171 int64_t fade_len = lroundf(config.fade_out * PluginVClient::project_frame_rate);
2172 int64_t fade_position = plugin_end - get_source_position();
2174 if( fade_position >= 0 && fade_position < fade_len ) {
2175 fade = (float)fade_position / fade_len;
2180 translate = new TitleTranslate(this, cpus);
2182 int tx = text_x - text_x1 + mask_x1;
2183 if( tx < title_w && tx+mask_w > 0 ) {
2184 translate->copy(text_mask);
2185 if( config.stroke_width >= SMALL && (config.style & BC_FONT_OUTLINE) ) {
2186 translate->copy(stroke_mask);
2192 TitleTranslate::TitleTranslate(TitleMain *plugin, int cpus)
2193 : LoadServer(cpus, cpus)
2195 this->plugin = plugin;
2198 TitleTranslate::~TitleTranslate()
2202 void TitleTranslate::copy(VFrame *input)
2204 this->input = input;
2205 in_w = input->get_w();
2206 in_h = input->get_h();
2207 ix1 = 0, ix2 = ix1 + in_w;
2208 iy1 = 0, iy2 = iy1 + in_h;
2210 out_w = plugin->output->get_w();
2211 out_h = plugin->output->get_h();
2212 float x1 = plugin->title_x, x2 = x1 + plugin->title_w;
2213 float y1 = plugin->title_y, y2 = y1 + plugin->title_h;
2214 bclamp(x1, 0, out_w); bclamp(y1, 0, out_h);
2215 bclamp(x2, 0, out_w); bclamp(y2, 0, out_h);
2217 ox1 = plugin->title_x + plugin->text_x - plugin->text_x1 + plugin->mask_x1;
2219 oy1 = plugin->title_y + plugin->text_y - plugin->text_y1 + plugin->mask_y1;
2221 if( ox1 < x1 ) { ix1 -= (ox1-x1); ox1 = x1; }
2222 if( oy1 < y1 ) { iy1 -= (oy1-y1); oy1 = y1; }
2223 if( ox2 > x2 ) { ix2 -= (ox2-x2); ox2 = x2; }
2224 if( oy2 > y2 ) { iy2 -= (oy2-x2); oy2 = y2; }
2226 printf("TitleTranslate text txy=%7.2f,%-7.2f\n"
2227 " mxy1=%7d,%-7d mxy2=%7d,%-7d\n"
2228 " xy1=%7.2f,%-7.2f xy2=%7.2f,%-7.2f\n"
2229 " ixy1=%7.2f,%-7.2f ixy2=%7.2f,%-7.2f\n"
2230 " oxy1=%7.2f,%-7.2f oxy2=%7.2f,%-7.2f\n",
2231 plugin->text_x, plugin->text_y,
2232 plugin->mask_x1, plugin->mask_y1, plugin->mask_x2, plugin->mask_y2,
2233 x1,y1, x2,y2, ix1,iy1, ix2,iy2, ox1,oy1, ox2,oy2);
2239 TitleTranslatePackage::TitleTranslatePackage()
2245 TitleTranslateUnit::TitleTranslateUnit(TitleMain *plugin, TitleTranslate *server)
2246 : LoadClient(server)
2250 #define TRANSLATE(type, max, comps, ofs) { \
2251 type **out_rows = (type**)output->get_rows(); \
2252 float fr = 1./(256.-max), fs = max/255.; \
2253 float r = max > 1 ? 0.5 : 0; \
2254 int ix1= x1, iy1 = y1, ix2= x2, iy2 = y2; \
2255 float fy = y1 + yofs; \
2256 for( int y=iy1; y<iy2; ++y,++fy ) { \
2257 int iy = fy; float yf1 = fy - iy; \
2258 if( yf1 < 0 ) ++yf1; \
2259 float yf0 = 1. - yf1; \
2260 unsigned char *in_row0 = in_rows[iy<0 ? 0 : iy]; \
2261 unsigned char *in_row1 = in_rows[iy<ih1 ? iy+1 : ih1]; \
2262 float fx = x1 + xofs; \
2263 for( int x=ix1; x<ix2; ++x,++fx ) { \
2264 type *op = out_rows[y] + x*comps; \
2265 int ix = fx; float xf1 = fx - ix; \
2266 if( xf1 < 0 ) ++xf1; \
2267 float xf0 = 1. - xf1; \
2268 int i0 = (ix<0 ? 0 : ix)*4, i1 = (ix<iw1 ? ix+1 : iw1)*4; \
2269 uint8_t *cp00 = in_row0 + i0, *cp01 = in_row0 + i1; \
2270 uint8_t *cp10 = in_row1 + i0, *cp11 = in_row1 + i1; \
2271 float a00 = yf0 * xf0 * cp00[3], a01 = yf0 * xf1 * cp01[3]; \
2272 float a10 = yf1 * xf0 * cp10[3], a11 = yf1 * xf1 * cp11[3]; \
2273 float fa = a00 + a01 + a10 + a11; if( !fa ) continue; \
2274 type in_a = fa*fr + r; float s = fs/fa; \
2275 type in_r = (cp00[0]*a00 + cp01[0]*a01 + cp10[0]*a10 + cp11[0]*a11)*s + r; \
2276 type in_g = (cp00[1]*a00 + cp01[1]*a01 + cp10[1]*a10 + cp11[1]*a11)*s + r; \
2277 type in_b = (cp00[2]*a00 + cp01[2]*a01 + cp10[2]*a10 + cp11[2]*a11)*s + r; \
2278 type a = in_a*plugin->fade, b = max - a, px; \
2279 /*if( comps == 4 ) { b = (b * op[3]) / max; }*/ \
2280 px = *op; *op++ = (a*in_r + b*px) / max; \
2281 px = *op; *op++ = (a*(in_g-ofs) + b*(px-ofs)) / max + ofs; \
2282 px = *op; *op++ = (a*(in_b-ofs) + b*(px-ofs)) / max + ofs; \
2283 if( comps == 4 ) { b = *op; *op++ = a + b - a*b / max; } \
2288 void TitleTranslateUnit::process_package(LoadPackage *package)
2290 TitleTranslatePackage *pkg = (TitleTranslatePackage*)package;
2291 TitleTranslate *server = (TitleTranslate*)this->server;
2292 TitleMain *plugin = server->plugin;
2293 VFrame *input = server->input, *output = plugin->output;
2294 int iw = input->get_w(), ih = input->get_h();
2295 int iw1 = iw-1, ih1 = ih-1;
2296 float x1 = server->ox1, x2 = server->ox2;
2297 float y1 = pkg->y1, y2 = pkg->y2;
2298 float xofs = server->ix1 - server->ox1;
2299 float yofs = server->iy1 - server->oy1;
2300 unsigned char **in_rows = input->get_rows();
2302 switch( output->get_color_model() ) {
2303 case BC_RGB888: TRANSLATE(unsigned char, 0xff, 3, 0); break;
2304 case BC_RGB_FLOAT: TRANSLATE(float, 1.0, 3, 0); break;
2305 case BC_YUV888: TRANSLATE(unsigned char, 0xff, 3, 0x80); break;
2306 case BC_RGBA_FLOAT: TRANSLATE(float, 1.0, 4, 0); break;
2307 case BC_RGBA8888: TRANSLATE(unsigned char, 0xff, 4, 0); break;
2308 case BC_YUVA8888: TRANSLATE(unsigned char, 0xff, 4, 0x80); break;
2312 void TitleTranslate::init_packages()
2316 int i = 0, pkgs = get_total_packages();
2318 TitleTranslatePackage *pkg = (TitleTranslatePackage*)get_package(i++);
2320 py = oy1 + i*oh / pkgs;
2325 LoadClient* TitleTranslate::new_client()
2327 return new TitleTranslateUnit(plugin, this);
2330 LoadPackage* TitleTranslate::new_package()
2332 return new TitleTranslatePackage;
2337 const char* TitleMain::motion_to_text(int motion)
2340 case NO_MOTION: return _("No motion");
2341 case BOTTOM_TO_TOP: return _("Bottom to top");
2342 case TOP_TO_BOTTOM: return _("Top to bottom");
2343 case RIGHT_TO_LEFT: return _("Right to left");
2344 case LEFT_TO_RIGHT: return _("Left to right");
2346 return _("Unknown");
2349 int TitleMain::text_to_motion(const char *text)
2351 for( int i=0; i<TOTAL_PATHS; ++i ) {
2352 if( !strcasecmp(motion_to_text(i), text) ) return i;
2357 void TitleMain::reset_render()
2359 delete text_mask; text_mask = 0;
2360 delete stroke_mask; stroke_mask = 0;
2361 delete glyph_engine; glyph_engine = 0;
2362 visible_row1 = 0; visible_row2 = 0;
2363 visible_char1 = 0; visible_char2 = 0;
2365 title_glyphs.clear();
2366 title_images.clear();
2367 if( freetype_face ) {
2368 ft_Done_Face(freetype_face);
2373 int TitleMain::init_freetype()
2375 if( !freetype_library )
2376 ft_Init_FreeType(&freetype_library);
2380 void TitleMain::draw_boundry()
2382 if( !gui_open() ) return;
2383 DragCheckBox::draw_boundary(output,
2384 title_x, title_y, title_w, title_h);
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()
2472 if( !thread ) return;
2473 thread->window->lock_window("TitleMain::update_gui");
2474 TitleWindow *window = (TitleWindow*)thread->window;
2475 if( load_configuration() ) {
2476 window->update_gui();
2479 window->unlock_window();
2482 int TitleMain::load_configuration()
2484 KeyFrame *prev_keyframe, *next_keyframe;
2485 prev_keyframe = get_prev_keyframe(get_source_position());
2486 next_keyframe = get_next_keyframe(get_source_position());
2488 TitleConfig old_config, prev_config, next_config;
2489 old_config.copy_from(config);
2490 read_data(prev_keyframe);
2491 prev_config.copy_from(config);
2492 read_data(next_keyframe);
2493 next_config.copy_from(config);
2495 config.prev_keyframe_position = prev_keyframe->position;
2496 config.next_keyframe_position = next_keyframe->position;
2498 // if no previous keyframe exists, it should be start of the plugin, not start of the track
2499 if( config.next_keyframe_position == config.prev_keyframe_position )
2500 config.next_keyframe_position = get_source_start() + get_total_len();
2501 if( config.prev_keyframe_position == 0 )
2502 config.prev_keyframe_position = get_source_start();
2503 // printf("TitleMain::load_configuration 10 %d %d\n",
2504 // config.prev_keyframe_position,
2505 // config.next_keyframe_position);
2507 config.interpolate(prev_config,
2509 (next_keyframe->position == prev_keyframe->position) ?
2510 get_source_position() :
2511 prev_keyframe->position,
2512 (next_keyframe->position == prev_keyframe->position) ?
2513 get_source_position() + 1 :
2514 next_keyframe->position,
2515 get_source_position());
2517 if( !config.equivalent(old_config) )
2523 void TitleMain::save_data(KeyFrame *keyframe)
2527 output.set_shared_output(keyframe->xbuf);
2528 output.tag.set_title("TITLE");
2529 output.tag.set_property("FONT", config.font);
2530 output.tag.set_property("ENCODING", config.encoding);
2531 output.tag.set_property("STYLE", (int64_t)config.style);
2532 output.tag.set_property("SIZE", config.size);
2533 output.tag.set_property("COLOR", config.color);
2534 output.tag.set_property("ALPHA", config.alpha);
2535 output.tag.set_property("OUTLINE_SIZE", config.outline_size);
2536 output.tag.set_property("OUTLINE_COLOR", config.outline_color);
2537 output.tag.set_property("OUTLINE_ALPHA", config.outline_alpha);
2538 output.tag.set_property("COLOR_STROKE", config.color_stroke);
2539 output.tag.set_property("STROKE_WIDTH", config.stroke_width);
2540 output.tag.set_property("MOTION_STRATEGY", config.motion_strategy);
2541 output.tag.set_property("LOOP", config.loop);
2542 output.tag.set_property("LINE_PITCH", config.line_pitch);
2543 output.tag.set_property("PIXELS_PER_SECOND", config.pixels_per_second);
2544 output.tag.set_property("HJUSTIFICATION", config.hjustification);
2545 output.tag.set_property("VJUSTIFICATION", config.vjustification);
2546 output.tag.set_property("FADE_IN", config.fade_in);
2547 output.tag.set_property("FADE_OUT", config.fade_out);
2548 output.tag.set_property("TITLE_X", config.title_x);
2549 output.tag.set_property("TITLE_Y", config.title_y);
2550 output.tag.set_property("TITLE_W", config.title_w);
2551 output.tag.set_property("TITLE_H", config.title_h);
2552 output.tag.set_property("DROPSHADOW", config.dropshadow);
2553 output.tag.set_property("TIMECODE", config.timecode);
2554 output.tag.set_property("TIMECODEFORMAT", config.timecode_format);
2555 output.tag.set_property("WINDOW_W", config.window_w);
2556 output.tag.set_property("WINDOW_H", config.window_h);
2557 output.tag.set_property("BACKGROUND", config.background);
2558 output.tag.set_property("BACKGROUND_PATH", config.background_path);
2559 output.tag.set_property("LOOP_PLAYBACK", config.loop_playback);
2560 output.append_tag();
2561 output.append_newline();
2562 long tsz = 2*config.wsize + 0x1000;
2564 int text_len = BC_Resources::encode(
2565 BC_Resources::wide_encoding, DEFAULT_ENCODING,
2566 (char*)config.wtext, config.wlen*sizeof(wchr_t),
2568 output.append_text(text, text_len);
2569 output.tag.set_title("/TITLE");
2570 output.append_tag();
2571 output.append_newline();
2572 output.terminate_string();
2573 //printf("TitleMain::save_data 1\n%s\n", output.string);
2574 //printf("TitleMain::save_data 2\n%s\n", config.text);
2577 void TitleMain::read_data(KeyFrame *keyframe)
2581 input.set_shared_input(keyframe->xbuf);
2585 config.prev_keyframe_position = keyframe->position;
2588 result = input.read_tag();
2591 if( input.tag.title_is("TITLE") ) {
2592 input.tag.get_property("FONT", config.font);
2593 input.tag.get_property("ENCODING", config.encoding);
2594 config.style = input.tag.get_property("STYLE", (int64_t)config.style);
2595 config.size = input.tag.get_property("SIZE", config.size);
2596 config.color = input.tag.get_property("COLOR", config.color);
2597 config.alpha = input.tag.get_property("ALPHA", config.alpha);
2598 config.outline_size = input.tag.get_property("OUTLINE_SIZE", config.outline_size);
2599 config.outline_color = input.tag.get_property("OUTLINE_COLOR", config.outline_color);
2600 config.outline_alpha = input.tag.get_property("OUTLINE_ALPHA", config.outline_alpha);
2601 config.color_stroke = input.tag.get_property("COLOR_STROKE", config.color_stroke);
2602 config.stroke_width = input.tag.get_property("STROKE_WIDTH", config.stroke_width);
2603 config.motion_strategy = input.tag.get_property("MOTION_STRATEGY", config.motion_strategy);
2604 config.loop = input.tag.get_property("LOOP", config.loop);
2605 config.line_pitch = input.tag.get_property("LINE_PITCH", config.line_pitch);
2606 config.pixels_per_second = input.tag.get_property("PIXELS_PER_SECOND", config.pixels_per_second);
2607 config.hjustification = input.tag.get_property("HJUSTIFICATION", config.hjustification);
2608 config.vjustification = input.tag.get_property("VJUSTIFICATION", config.vjustification);
2609 config.fade_in = input.tag.get_property("FADE_IN", config.fade_in);
2610 config.fade_out = input.tag.get_property("FADE_OUT", config.fade_out);
2611 config.title_x = input.tag.get_property("TITLE_X", config.title_x);
2612 config.title_y = input.tag.get_property("TITLE_Y", config.title_y);
2613 config.title_w = input.tag.get_property("TITLE_W", config.title_w);
2614 config.title_h = input.tag.get_property("TITLE_H", config.title_h);
2615 config.dropshadow = input.tag.get_property("DROPSHADOW", config.dropshadow);
2616 config.timecode = input.tag.get_property("TIMECODE", config.timecode);
2617 config.timecode_format = input.tag.get_property("TIMECODEFORMAT", config.timecode_format);
2618 config.window_w = input.tag.get_property("WINDOW_W", config.window_w);
2619 config.window_h = input.tag.get_property("WINDOW_H", config.window_h);
2620 config.background = input.tag.get_property("BACKGROUND", config.background);
2621 input.tag.get_property("BACKGROUND_PATH", config.background_path);
2622 config.loop_playback = input.tag.get_property("LOOP_PLAYBACK", config.loop_playback);
2623 const char *text = input.read_text();
2624 config.to_wtext(config.encoding, text, strlen(text)+1);
2626 else if( input.tag.title_is("/TITLE") ) {
2632 void TitleMain::insert_text(const wchr_t *wtxt, int pos)
2634 int len = wstrlen(wtxt);
2635 int wlen = config.wlen;
2636 if( pos < 0 ) pos = 0;
2637 if( pos > wlen ) pos = wlen;
2638 config.demand(wlen + len);
2639 int wsize1 = config.wsize-1;
2640 wchr_t *wtext = config.wtext;
2641 for( int i=wlen, j=wlen+len; --i>=pos; ) {
2642 if( --j >= wsize1 ) continue;
2643 wtext[j] = wtext[i];
2645 for( int i=pos, j=0; j<len; ++i,++j ) {
2646 if( i >= wsize1 ) break;
2650 if( (wlen+=len) > wsize1 ) wlen = wsize1;