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hvirtual/plugins/titler/title.C

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00001 // Originally developed by Heroine Virtual Ltd.
00002 // Support for multiple encodings, outline (stroke) by 
00003 // Andraz Tori <Andraz.tori1@guest.arnes.si>
00004 
00005 
00006 #include "clip.h"
00007 #include "colormodels.h"
00008 #include "filexml.h"
00009 #include "filesystem.h"
00010 #include "transportque.inc"
00011 #include "ft2build.h"
00012 #include FT_GLYPH_H
00013 #include FT_BBOX_H
00014 #include FT_OUTLINE_H
00015 #include FT_STROKER_H
00016 
00017 #include "language.h"
00018 #include "mwindow.inc"
00019 #include "picon_png.h"
00020 #include "plugincolors.h"
00021 #include "title.h"
00022 #include "titlewindow.h"
00023 #include "transportque.inc"
00024 
00025 
00026 #include <errno.h>
00027 #include <stdint.h>
00028 #include <stdio.h>
00029 #include <string.h>
00030 #include <endian.h>
00031 #include <byteswap.h>
00032 #include <iconv.h>
00033 #include <sys/stat.h>
00034 
00035 #define ZERO (1.0 / 64.0)
00036 
00037 #define FONT_SEARCHPATH "fonts"
00038 //#define FONT_SEARCHPATH "/usr/X11R6/lib/X11/fonts"
00039 
00040 
00041 REGISTER_PLUGIN(TitleMain)
00042 
00043 
00044 TitleConfig::TitleConfig()
00045 {
00046         style = 0;
00047         color = BLACK;
00048         color_stroke = 0xff0000;
00049         size = 24;
00050         motion_strategy = NO_MOTION;
00051         loop = 0;
00052         hjustification = JUSTIFY_CENTER;
00053         vjustification = JUSTIFY_MID;
00054         fade_in = 0.0;
00055         fade_out = 0.0;
00056         x = 0.0;
00057         y = 0.0;
00058         dropshadow = 10;
00059         sprintf(font, "fixed");
00060         sprintf(text, _("hello world"));
00061 #define DEFAULT_ENCODING "ISO8859-1"
00062         sprintf(encoding, DEFAULT_ENCODING);
00063 #define DEFAULT_TIMECODEFORMAT "h:mm:ss:ff"
00064         sprintf(timecodeformat, DEFAULT_TIMECODEFORMAT);
00065         pixels_per_second = 1.0;
00066         timecode = 0;
00067         stroke_width = 1.0;
00068 }
00069 
00070 // Does not test equivalency but determines if redrawing text is necessary.
00071 int TitleConfig::equivalent(TitleConfig &that)
00072 {
00073         return dropshadow == that.dropshadow &&
00074                 style == that.style &&
00075                 size == that.size &&
00076                 color == that.color &&
00077                 color_stroke == that.color_stroke &&
00078                 stroke_width == that.stroke_width &&
00079                 timecode == that.timecode && 
00080                 !strcasecmp(timecodeformat, that.timecodeformat) &&
00081                 hjustification == that.hjustification &&
00082                 vjustification == that.vjustification &&
00083                 EQUIV(pixels_per_second, that.pixels_per_second) &&
00084                 !strcasecmp(font, that.font) &&
00085                 !strcasecmp(encoding, that.encoding) &&
00086                 !strcmp(text, that.text);
00087 }
00088 
00089 void TitleConfig::copy_from(TitleConfig &that)
00090 {
00091         strcpy(font, that.font);
00092         style = that.style;
00093         size = that.size;
00094         color = that.color;
00095         color_stroke = that.color_stroke;
00096         stroke_width = that.stroke_width;
00097         pixels_per_second = that.pixels_per_second;
00098         motion_strategy = that.motion_strategy;
00099         loop = that.loop;
00100         hjustification = that.hjustification;
00101         vjustification = that.vjustification;
00102         fade_in = that.fade_in;
00103         fade_out = that.fade_out;
00104         x = that.x;
00105         y = that.y;
00106         dropshadow = that.dropshadow;
00107         timecode = that.timecode;
00108         strcpy(timecodeformat, that.timecodeformat);
00109         strcpy(text, that.text);
00110         strcpy(encoding, that.encoding);
00111 }
00112 
00113 void TitleConfig::interpolate(TitleConfig &prev, 
00114         TitleConfig &next, 
00115         int64_t prev_frame, 
00116         int64_t next_frame, 
00117         int64_t current_frame)
00118 {
00119         strcpy(font, prev.font);
00120         strcpy(encoding, prev.encoding);
00121         style = prev.style;
00122         size = prev.size;
00123         color = prev.color;
00124         color_stroke = prev.color_stroke;
00125         stroke_width = prev.stroke_width;
00126         motion_strategy = prev.motion_strategy;
00127         loop = prev.loop;
00128         hjustification = prev.hjustification;
00129         vjustification = prev.vjustification;
00130         fade_in = prev.fade_in;
00131         fade_out = prev.fade_out;
00132         pixels_per_second = prev.pixels_per_second;
00133         strcpy(text, prev.text);
00134 
00135         double next_scale = (double)(current_frame - prev_frame) / (next_frame - prev_frame);
00136         double prev_scale = (double)(next_frame - current_frame) / (next_frame - prev_frame);
00137 
00138 
00139 //      this->x = prev.x * prev_scale + next.x * next_scale;
00140 //      this->y = prev.y * prev_scale + next.y * next_scale;
00141         this->x = prev.x;
00142         this->y = prev.y;
00143         timecode = prev.timecode;
00144         strcpy(timecodeformat, prev.timecodeformat);
00145 //      this->dropshadow = (int)(prev.dropshadow * prev_scale + next.dropshadow * next_scale);
00146         this->dropshadow = prev.dropshadow;
00147 }
00148 
00149 
00150 
00151 
00152 
00153 
00154 
00155 
00156 
00157 
00158 
00159 
00160 
00161 
00162 
00163 
00164 
00165 FontEntry::FontEntry()
00166 {
00167         path = 0;
00168         foundary = 0;
00169         family = 0;
00170         weight = 0;
00171         slant = 0;
00172         swidth = 0;
00173         adstyle = 0;
00174         spacing = 0;
00175         registry = 0;
00176         encoding = 0;
00177         fixed_title = 0;
00178         fixed_style = 0;
00179 }
00180 
00181 FontEntry::~FontEntry()
00182 {
00183         if(path) delete [] path;
00184         if(foundary) delete [] foundary;
00185         if(family) delete [] family;
00186         if(weight) delete [] weight;
00187         if(slant) delete [] slant;
00188         if(swidth) delete [] swidth;
00189         if(adstyle) delete [] adstyle;
00190         if(spacing) delete [] spacing;
00191         if(registry) delete [] registry;
00192         if(encoding) delete [] encoding;
00193         if(fixed_title) delete [] fixed_title;
00194 }
00195 
00196 void FontEntry::dump()
00197 {
00198         printf("%s: %s %s %s %s %s %s %d %d %d %d %s %d %s %s\n",
00199                 path,
00200                 foundary,
00201                 family,
00202                 weight,
00203                 slant,
00204                 swidth,
00205                 adstyle,
00206                 pixelsize,
00207                 pointsize,
00208                 xres,
00209                 yres,
00210                 spacing,
00211                 avg_width,
00212                 registry,
00213                 encoding);
00214 }
00215 
00216 TitleGlyph::TitleGlyph()
00217 {
00218         char_code = 0;
00219         c=0;
00220         data = 0;
00221         data_stroke = 0;
00222 }
00223 
00224 
00225 TitleGlyph::~TitleGlyph()
00226 {
00227 //printf("TitleGlyph::~TitleGlyph 1\n");
00228         if(data) delete data;
00229         if(data_stroke) delete data_stroke;
00230 }
00231 
00232 
00233 
00234 
00235 
00236 
00237 
00238 
00239 
00240 
00241 
00242 GlyphPackage::GlyphPackage() : LoadPackage()
00243 {
00244 }
00245 
00246 GlyphUnit::GlyphUnit(TitleMain *plugin, GlyphEngine *server)
00247  : LoadClient(server)
00248 {
00249         this->plugin = plugin;
00250         current_font = 0;
00251         freetype_library = 0;
00252         freetype_face = 0;
00253 }
00254 
00255 GlyphUnit::~GlyphUnit()
00256 {
00257         if(freetype_library) FT_Done_FreeType(freetype_library);
00258 }
00259 
00260 void GlyphUnit::process_package(LoadPackage *package)
00261 {
00262         GlyphPackage *pkg = (GlyphPackage*)package;
00263         TitleGlyph *glyph = pkg->glyph;
00264         int result = 0;
00265 
00266         if(!freetype_library)
00267         {
00268                 current_font = plugin->get_font();
00269 
00270                 if(plugin->load_freetype_face(freetype_library,
00271                         freetype_face,
00272                         current_font->path))
00273                 {
00274                         printf(_("GlyphUnit::process_package FT_New_Face failed.\n"));
00275                         result = 1;
00276                 }
00277                 else
00278                 {
00279                         FT_Set_Pixel_Sizes(freetype_face, plugin->config.size, 0);
00280                 }
00281         }
00282 
00283         if(!result)
00284         {
00285                 int gindex = FT_Get_Char_Index(freetype_face, glyph->char_code);
00286 
00287 //printf("GlyphUnit::process_package 1 %c\n", glyph->char_code);
00288 // Char not found
00289                 if (gindex == 0) 
00290                 {
00291 // carrige return
00292                         if (glyph->char_code != 10)  
00293                                 printf(_("GlyphUnit::process_package FT_Load_Char failed - char: %i.\n"),
00294                                         glyph->char_code);
00295 // Prevent a crash here
00296                         glyph->width = 8;
00297                         glyph->height = 8;
00298                         glyph->pitch = 8;
00299                         glyph->left = 9;
00300                         glyph->top = 9;
00301                         glyph->freetype_index = 0;
00302                         glyph->advance_w = 8;
00303                         glyph->data = new VFrame(0,
00304                                 8,
00305                                 8,
00306                                 BC_A8,
00307                                 8);
00308                         glyph->data->clear_frame();
00309                         glyph->data_stroke = 0;
00310 
00311 
00312 
00313 // create outline glyph
00314                         if (plugin->config.stroke_width >= ZERO && 
00315                                 (plugin->config.style & FONT_OUTLINE))
00316                         {
00317                                 glyph->data_stroke = new VFrame(0,
00318                                         8,
00319                                         8,
00320                                         BC_A8,
00321                                         8);
00322                                 glyph->data_stroke->clear_frame();
00323                         }
00324 
00325 
00326 
00327                 }
00328                 else
00329 // char found and no outline desired
00330                 if (plugin->config.stroke_width < ZERO ||
00331                         !(plugin->config.style & FONT_OUTLINE)) 
00332                 {
00333                         FT_Glyph glyph_image;
00334                         FT_BBox bbox;
00335                         FT_Bitmap bm;
00336                         FT_Load_Glyph(freetype_face, gindex, FT_LOAD_DEFAULT);
00337                         FT_Get_Glyph(freetype_face->glyph, &glyph_image);
00338                         FT_Outline_Get_BBox(&((FT_OutlineGlyph) glyph_image)->outline, &bbox);
00339 //                      printf("Stroke: Xmin: %ld, Xmax: %ld, Ymin: %ld, yMax: %ld\n",
00340 //                                      bbox.xMin,bbox.xMax, bbox.yMin, bbox.yMax);
00341 
00342                         FT_Outline_Translate(&((FT_OutlineGlyph) glyph_image)->outline,
00343                                 - bbox.xMin,
00344                                 - bbox.yMin);
00345                         glyph->width = bm.width = ((bbox.xMax - bbox.xMin + 63) >> 6);
00346                         glyph->height = bm.rows = ((bbox.yMax - bbox.yMin + 63) >> 6);
00347                         glyph->pitch = bm.pitch = bm.width;
00348                         bm.pixel_mode = FT_PIXEL_MODE_GRAY;
00349                         bm.num_grays = 256;
00350                         glyph->left = (bbox.xMin + 31) >> 6;
00351                         if (glyph->left < 0) glyph->left = 0;
00352                         glyph->top = (bbox.yMax + 31) >> 6;
00353                         glyph->freetype_index = gindex;
00354                         glyph->advance_w = ((freetype_face->glyph->advance.x + 31) >> 6);
00355 //printf("GlyphUnit::process_package 1 width=%d height=%d pitch=%d left=%d top=%d advance_w=%d freetype_index=%d\n", 
00356 //glyph->width, glyph->height, glyph->pitch, glyph->left, glyph->top, glyph->advance_w, glyph->freetype_index);
00357         
00358                         glyph->data = new VFrame(0,
00359                                 glyph->width,
00360                                 glyph->height,
00361                                 BC_A8,
00362                                 glyph->pitch);
00363                         glyph->data->clear_frame();
00364                         bm.buffer = glyph->data->get_data();
00365                         FT_Outline_Get_Bitmap( freetype_library,
00366                                 &((FT_OutlineGlyph) glyph_image)->outline,
00367                                 &bm);
00368                         FT_Done_Glyph(glyph_image);
00369                 }
00370                 else 
00371 // Outline desired and glyph found
00372                 {
00373                         FT_Glyph glyph_image;
00374                         int no_outline = 0;
00375                         FT_Stroker stroker;
00376                         FT_Outline outline;
00377                         FT_Bitmap bm;
00378                         FT_BBox bbox;
00379                         FT_UInt npoints, ncontours;     
00380 
00381                         typedef struct  FT_LibraryRec_ 
00382                         {    
00383                                 FT_Memory memory; 
00384                         } FT_LibraryRec;
00385 
00386                         FT_Load_Glyph(freetype_face, gindex, FT_LOAD_DEFAULT);
00387                         FT_Get_Glyph(freetype_face->glyph, &glyph_image);
00388 
00389 // check if the outline is ok (non-empty);
00390                         FT_Outline_Get_BBox(&((FT_OutlineGlyph) glyph_image)->outline, &bbox);
00391                         if (bbox.xMin == 0 && bbox.xMax == 0 && bbox.yMin ==0 && bbox.yMax == 0)
00392                         {
00393                                 FT_Done_Glyph(glyph_image);
00394                                 glyph->data =  new VFrame(0, 0, BC_A8,0);
00395                                 glyph->data_stroke =  new VFrame(0, 0, BC_A8,0);;
00396                                 glyph->width=0;
00397                                 glyph->height=0;
00398                                 glyph->top=0;
00399                                 glyph->left=0;
00400                                 glyph->advance_w =((int)(freetype_face->glyph->advance.x + 
00401                                         plugin->config.stroke_width * 64)) >> 6;
00402                                 return;
00403                         }
00404 #if FREETYPE_MAJOR > 2 || (FREETYPE_MAJOR == 2 && FREETYPE_MINOR >= 2)
00405                         FT_Stroker_New(freetype_library, &stroker);
00406 #else
00407                         FT_Stroker_New(((FT_LibraryRec *)freetype_library)->memory, &stroker);
00408 #endif
00409                         FT_Stroker_Set(stroker, (int)(plugin->config.stroke_width * 64), FT_STROKER_LINECAP_ROUND, FT_STROKER_LINEJOIN_ROUND, 0);
00410                         FT_Stroker_ParseOutline(stroker, &((FT_OutlineGlyph) glyph_image)->outline,1);
00411                         FT_Stroker_GetCounts(stroker,&npoints, &ncontours);
00412                         if (npoints ==0 && ncontours == 0) 
00413                         {
00414 // this never happens, but FreeType has a bug regarding Linotype's Palatino font
00415                                 FT_Stroker_Done(stroker);
00416                                 FT_Done_Glyph(glyph_image);
00417                                 glyph->data =  new VFrame(0, 0, BC_A8,0);
00418                                 glyph->data_stroke =  new VFrame(0, 0, BC_A8,0);;
00419                                 glyph->width=0;
00420                                 glyph->height=0;
00421                                 glyph->top=0;
00422                                 glyph->left=0;
00423                                 glyph->advance_w =((int)(freetype_face->glyph->advance.x + 
00424                                         plugin->config.stroke_width * 64)) >> 6;
00425                                 return;
00426                         };
00427 
00428                         FT_Outline_New(freetype_library, npoints, ncontours, &outline);
00429                         outline.n_points=0;
00430                         outline.n_contours=0;
00431                         FT_Stroker_Export (stroker, &outline);
00432                         FT_Outline_Get_BBox(&outline, &bbox);
00433                 
00434                         FT_Outline_Translate(&outline,
00435                                         - bbox.xMin,
00436                                         - bbox.yMin);
00437                 
00438                         FT_Outline_Translate(&((FT_OutlineGlyph) glyph_image)->outline,
00439                                         - bbox.xMin,
00440                                         - bbox.yMin + (int)(plugin->config.stroke_width*32));
00441 //                      printf("Stroke: Xmin: %ld, Xmax: %ld, Ymin: %ld, yMax: %ld\nFill        Xmin: %ld, Xmax: %ld, Ymin: %ld, yMax: %ld\n",
00442 //                                      bbox.xMin,bbox.xMax, bbox.yMin, bbox.yMax,
00443 //                                      bbox_fill.xMin,bbox_fill.xMax, bbox_fill.yMin, bbox_fill.yMax);
00444         
00445                         glyph->width = bm.width = ((bbox.xMax - bbox.xMin) >> 6)+1;
00446                         glyph->height = bm.rows = ((bbox.yMax - bbox.yMin) >> 6) +1;
00447                         glyph->pitch = bm.pitch = bm.width;
00448                         bm.pixel_mode = FT_PIXEL_MODE_GRAY;
00449                         bm.num_grays = 256;
00450                         glyph->left = (bbox.xMin + 31) >> 6;
00451                         if (glyph->left < 0) glyph->left = 0;
00452                         glyph->top = (bbox.yMax + 31) >> 6;
00453                         glyph->freetype_index = gindex;
00454                         int real_advance = ((int)ceil((float)freetype_face->glyph->advance.x + 
00455                                 plugin->config.stroke_width * 64) >> 6);
00456                         glyph->advance_w = glyph->width + glyph->left;
00457                         if (real_advance > glyph->advance_w) 
00458                                 glyph->advance_w = real_advance;
00459 //printf("GlyphUnit::process_package 1 width=%d height=%d pitch=%d left=%d top=%d advance_w=%d freetype_index=%d\n", 
00460 //glyph->width, glyph->height, glyph->pitch, glyph->left, glyph->top, glyph->advance_w, glyph->freetype_index);
00461 
00462 
00463 //printf("GlyphUnit::process_package 1\n");
00464                         glyph->data = new VFrame(0,
00465                                 glyph->width,
00466                                 glyph->height,
00467                                 BC_A8,
00468                                 glyph->pitch);
00469                         glyph->data_stroke = new VFrame(0,
00470                                 glyph->width,
00471                                 glyph->height,
00472                                 BC_A8,
00473                                 glyph->pitch);
00474                         glyph->data->clear_frame();
00475                         glyph->data_stroke->clear_frame();
00476 // for debugging        memset( glyph->data_stroke->get_data(), 60, glyph->pitch * glyph->height);
00477                         bm.buffer=glyph->data->get_data();
00478                         FT_Outline_Get_Bitmap( freetype_library,
00479                                 &((FT_OutlineGlyph) glyph_image)->outline,
00480                                 &bm);   
00481                         bm.buffer=glyph->data_stroke->get_data();
00482                         FT_Outline_Get_Bitmap( freetype_library,
00483                         &outline,
00484                                 &bm);
00485                         FT_Outline_Done(freetype_library,&outline);
00486                         FT_Stroker_Done(stroker);
00487                         FT_Done_Glyph(glyph_image);
00488 
00489 //printf("GlyphUnit::process_package 2\n");
00490                 }
00491         }
00492 }
00493 
00494 GlyphEngine::GlyphEngine(TitleMain *plugin, int cpus)
00495  : LoadServer(cpus, cpus)
00496 {
00497         this->plugin = plugin;
00498 }
00499 void GlyphEngine::init_packages()
00500 {
00501         int current_package = 0;
00502         for(int i = 0; i < plugin->glyphs.total; i++)
00503         {
00504                 if(!plugin->glyphs.values[i]->data)
00505                 {
00506                         GlyphPackage *pkg = (GlyphPackage*)get_package(current_package++);
00507                         pkg->glyph = plugin->glyphs.values[i];
00508                 }
00509         }
00510 }
00511 LoadClient* GlyphEngine::new_client()
00512 {
00513         return new GlyphUnit(plugin, this);
00514 }
00515 LoadPackage* GlyphEngine::new_package()
00516 {
00517         return new GlyphPackage;
00518 }
00519 
00520 
00521 
00522 
00523 
00524 
00525 
00526 
00527 
00528 
00529 
00530 
00531 
00532 // Copy a single character to the text mask
00533 TitlePackage::TitlePackage()
00534  : LoadPackage()
00535 {
00536 }
00537 
00538 
00539 TitleUnit::TitleUnit(TitleMain *plugin, TitleEngine *server)
00540  : LoadClient(server)
00541 {
00542         this->plugin = plugin;
00543 }
00544 
00545 void TitleUnit::draw_glyph(VFrame *output, TitleGlyph *glyph, int x, int y)
00546 {
00547         int glyph_w = glyph->data->get_w();
00548         int glyph_h = glyph->data->get_h();
00549         int output_w = output->get_w();
00550         int output_h = output->get_h();
00551         unsigned char **in_rows = glyph->data->get_rows();
00552         unsigned char **out_rows = output->get_rows();
00553 
00554 //printf("TitleUnit::draw_glyph 1 %c %d %d\n", glyph->c, x, y);
00555         for(int in_y = 0; in_y < glyph_h; in_y++)
00556         {
00557 //              int y_out = y + plugin->ascent + in_y - glyph->top;
00558                 int y_out = y + plugin->get_char_height() + in_y - glyph->top;
00559 
00560 //printf("TitleUnit::draw_glyph 1 %d\n", y_out);
00561                 if(y_out >= 0 && y_out < output_h)
00562                 {
00563                         unsigned char *out_row = out_rows[y_out];
00564                         unsigned char *in_row = in_rows[in_y];
00565                         for(int in_x = 0; in_x < glyph_w; in_x++)
00566                         {
00567                                 int x_out = x + glyph->left + in_x;
00568                                 if(x_out >= 0 && x_out < output_w)
00569                                 {
00570                                         if(in_row[in_x] > 0)
00571                                                 out_row[x_out] = in_row[in_x];
00572 //out_row[x_out] = 0xff;
00573                                 }
00574                         }
00575                 }
00576         }
00577 }
00578 
00579 
00580 void TitleUnit::process_package(LoadPackage *package)
00581 {
00582         TitlePackage *pkg = (TitlePackage*)package;
00583         
00584         if(pkg->c != 0xa)
00585         {
00586                 for(int i = 0; i < plugin->glyphs.total; i++)
00587                 {
00588                         TitleGlyph *glyph = plugin->glyphs.values[i];
00589                         if(glyph->c == pkg->c)
00590                         {
00591                                 draw_glyph(plugin->text_mask, glyph, pkg->x, pkg->y);
00592                                 if(plugin->config.stroke_width >= ZERO &&
00593                                         (plugin->config.style & FONT_OUTLINE)) 
00594                                 {
00595                                         VFrame *tmp = glyph->data;
00596                                         glyph->data = glyph->data_stroke;
00597                                         draw_glyph(plugin->text_mask_stroke, glyph, pkg->x, pkg->y);
00598                                         glyph->data = tmp;
00599                                 }
00600                                 break;
00601                         }
00602                 }
00603         }
00604 }
00605 
00606 TitleEngine::TitleEngine(TitleMain *plugin, int cpus)
00607  : LoadServer(cpus, cpus)
00608 {
00609         this->plugin = plugin;
00610 }
00611 
00612 void TitleEngine::init_packages()
00613 {
00614 //printf("TitleEngine::init_packages 1\n");
00615         int visible_y1 = plugin->visible_row1 * plugin->get_char_height();
00616 //printf("TitleEngine::init_packages 1\n");
00617         int current_package = 0;
00618         for(int i = plugin->visible_char1; i < plugin->visible_char2; i++)
00619         {
00620                 title_char_position_t *char_position = plugin->char_positions + i;
00621                 TitlePackage *pkg = (TitlePackage*)get_package(current_package);
00622 //printf("TitleEngine::init_packages 1\n");
00623                 pkg->x = char_position->x;
00624 //printf("TitleEngine::init_packages 1\n");
00625                 pkg->y = char_position->y - visible_y1;
00626 //printf("TitleEngine::init_packages 1\n");
00627                 pkg->c = plugin->config.text[i];
00628 //printf("TitleEngine::init_packages 2\n");
00629                 current_package++;
00630         }
00631 }
00632 
00633 LoadClient* TitleEngine::new_client()
00634 {
00635         return new TitleUnit(plugin, this);
00636 }
00637 
00638 LoadPackage* TitleEngine::new_package()
00639 {
00640         return new TitlePackage;
00641 }
00642 
00643 
00644 
00645 
00646 
00647 
00648 
00649 
00650 
00651 
00652 
00653 TitleTranslatePackage::TitleTranslatePackage()
00654  : LoadPackage()
00655 {
00656 }
00657 
00658 
00659 TitleTranslateUnit::TitleTranslateUnit(TitleMain *plugin, TitleTranslate *server)
00660  : LoadClient(server)
00661 {
00662         this->plugin = plugin;
00663 }
00664 
00665 
00666 
00667 #define TRANSLATE(type, max, components, r, g, b) \
00668 { \
00669         unsigned char **in_rows = plugin->text_mask->get_rows(); \
00670         type **out_rows = (type**)plugin->output->get_rows(); \
00671  \
00672         for(int i = pkg->y1; i < pkg->y2; i++) \
00673         { \
00674                 if(i + server->out_y1_int >= 0 && \
00675                         i + server->out_y1_int < server->output_h) \
00676                 { \
00677                         int in_y1, in_y2; \
00678                         float y_fraction1, y_fraction2; \
00679                         float y_output_fraction; \
00680                         in_y1 = server->y_table[i].in_x1; \
00681                         in_y2 = server->y_table[i].in_x2; \
00682                         y_fraction1 = server->y_table[i].in_fraction1; \
00683                         y_fraction2 = server->y_table[i].in_fraction2; \
00684                         y_output_fraction = server->y_table[i].output_fraction; \
00685                         unsigned char *in_row1 = in_rows[in_y1]; \
00686                         unsigned char *in_row2 = in_rows[in_y2]; \
00687                         type *out_row = out_rows[i + server->out_y1_int]; \
00688  \
00689                         for(int j = server->out_x1_int; j < server->out_x2_int; j++) \
00690                         { \
00691                                 if(j >= 0 && j < server->output_w) \
00692                                 { \
00693                                         int in_x1; \
00694                                         int in_x2; \
00695                                         float x_fraction1; \
00696                                         float x_fraction2; \
00697                                         float x_output_fraction; \
00698                                         in_x1 =  \
00699                                                 server->x_table[j - server->out_x1_int].in_x1; \
00700                                         in_x2 =  \
00701                                                 server->x_table[j - server->out_x1_int].in_x2; \
00702                                         x_fraction1 =  \
00703                                                 server->x_table[j - server->out_x1_int].in_fraction1; \
00704                                         x_fraction2 =  \
00705                                                 server->x_table[j - server->out_x1_int].in_fraction2; \
00706                                         x_output_fraction =  \
00707                                                 server->x_table[j - server->out_x1_int].output_fraction; \
00708  \
00709                                         float fraction1 = x_fraction1 * y_fraction1; \
00710                                         float fraction2 = x_fraction2 * y_fraction1; \
00711                                         float fraction3 = x_fraction1 * y_fraction2; \
00712                                         float fraction4 = x_fraction2 * y_fraction2; \
00713                                         int input = (int)(in_row1[in_x1] * fraction1 +  \
00714                                                                 in_row1[in_x2] * fraction2 +  \
00715                                                                 in_row2[in_x1] * fraction3 +  \
00716                                                                 in_row2[in_x2] * fraction4 + 0.5); \
00717                                         input *= plugin->alpha; \
00718 /* Alpha is 0 - 256 */ \
00719                                         input >>= 8; \
00720  \
00721                                         int anti_input = 0xff - input; \
00722                                         if(components == 4) \
00723                                         { \
00724                                                 out_row[j * components + 0] =  \
00725                                                         (r * input + out_row[j * components + 0] * anti_input) / 0xff; \
00726                                                 out_row[j * components + 1] =  \
00727                                                         (g * input + out_row[j * components + 1] * anti_input) / 0xff; \
00728                                                 out_row[j * components + 2] =  \
00729                                                         (b * input + out_row[j * components + 2] * anti_input) / 0xff; \
00730                                                 if(max == 0xffff) \
00731                                                         out_row[j * components + 3] =  \
00732                                                                 MAX((input << 8) | input, out_row[j * components + 3]); \
00733                                                 else \
00734                                                         out_row[j * components + 3] =  \
00735                                                                 MAX(input, out_row[j * components + 3]); \
00736                                         } \
00737                                         else \
00738                                         { \
00739                                                 out_row[j * components + 0] =  \
00740                                                         (r * input + out_row[j * components + 0] * anti_input) / 0xff; \
00741                                                 out_row[j * components + 1] =  \
00742                                                         (g * input + out_row[j * components + 1] * anti_input) / 0xff; \
00743                                                 out_row[j * components + 2] =  \
00744                                                         (b * input + out_row[j * components + 2] * anti_input) / 0xff; \
00745                                         } \
00746                                 } \
00747                         } \
00748                 } \
00749         } \
00750 }
00751 
00752 
00753 #define TRANSLATEA(type, max, components, r, g, b) \
00754 { \
00755         unsigned char **in_rows = plugin->text_mask->get_rows(); \
00756         type **out_rows = (type**)plugin->output->get_rows(); \
00757  \
00758         for(int i = pkg->y1; i < pkg->y2; i++) \
00759         { \
00760                 if(i + server->out_y1_int >= 0 && \
00761                         i + server->out_y1_int < server->output_h) \
00762                 { \
00763                         unsigned char *in_row = in_rows[i]; \
00764                         type *out_row = out_rows[i + server->out_y1_int]; \
00765  \
00766                         for(int j = server->out_x1; j < server->out_x2_int; j++) \
00767                         { \
00768                                 if(j  >= 0 && \
00769                                         j < server->output_w) \
00770                                 { \
00771                                         int input = (int)(in_row[j - server->out_x1]);  \
00772  \
00773                                         input *= plugin->alpha; \
00774 /* Alpha is 0 - 256 */ \
00775                                         input >>= 8; \
00776  \
00777                                         int anti_input = 0xff - input; \
00778                                         if(components == 4) \
00779                                         { \
00780                                                 out_row[j * components + 0] =  \
00781                                                         (r * input + out_row[j * components + 0] * anti_input) / 0xff; \
00782                                                 out_row[j * components + 1] =  \
00783                                                         (g * input + out_row[j * components + 1] * anti_input) / 0xff; \
00784                                                 out_row[j * components + 2] =  \
00785                                                         (b * input + out_row[j * components + 2] * anti_input) / 0xff; \
00786                                                 if(max == 0xffff) \
00787                                                         out_row[j * components + 3] =  \
00788                                                                 MAX((input << 8) | input, out_row[j * components + 3]); \
00789                                                 else \
00790                                                         out_row[j * components + 3] =  \
00791                                                                 MAX(input, out_row[j * components + 3]); \
00792                                         } \
00793                                         else \
00794                                         { \
00795                                                 out_row[j * components + 0] =  \
00796                                                         (r * input + out_row[j * components + 0] * anti_input) / 0xff; \
00797                                                 out_row[j * components + 1] =  \
00798                                                         (g * input + out_row[j * components + 1] * anti_input) / 0xff; \
00799                                                 out_row[j * components + 2] =  \
00800                                                         (b * input + out_row[j * components + 2] * anti_input) / 0xff; \
00801                                         } \
00802                                 } \
00803                         } \
00804                 } \
00805         } \
00806 }
00807 
00808 static YUV yuv;
00809 
00810 void TitleTranslateUnit::process_package(LoadPackage *package)
00811 {
00812         TitleTranslatePackage *pkg = (TitleTranslatePackage*)package;
00813         TitleTranslate *server = (TitleTranslate*)this->server;
00814         int r_in, g_in, b_in;
00815 
00816 //printf("TitleTranslateUnit::process_package 1 %d %d\n", pkg->y1, pkg->y2);
00817 
00818         r_in = (plugin->config.color & 0xff0000) >> 16;
00819         g_in = (plugin->config.color & 0xff00) >> 8;
00820         b_in = plugin->config.color & 0xff;
00821         switch(plugin->output->get_color_model())
00822         {
00823                 case BC_RGB888:
00824                 {
00825                         TRANSLATE(unsigned char, 0xff, 3, r_in, g_in, b_in);
00826                         break;
00827                 }
00828                 case BC_RGB_FLOAT:
00829                 {
00830                         float r, g, b;
00831                         r = (float)r_in / 0xff;
00832                         g = (float)g_in / 0xff;
00833                         b = (float)b_in / 0xff;
00834                         TRANSLATE(float, 0xff, 3, r, g, b);
00835                         break;
00836                 }
00837                 case BC_YUV888:
00838                 {
00839                         unsigned char y, u, v;
00840                         yuv.rgb_to_yuv_8(r_in, g_in, b_in, y, u, v);
00841                         TRANSLATE(unsigned char, 0xff, 3, y, u, v);
00842                         break;
00843                 }
00844                 case BC_RGB161616:
00845                 {
00846                         uint16_t r, g, b;
00847                         r = (r_in << 8) | r_in;
00848                         g = (g_in << 8) | g_in;
00849                         b = (b_in << 8) | b_in;
00850                         TRANSLATE(uint16_t, 0xffff, 3, r, g, b);
00851                         break;
00852                 }
00853                 case BC_YUV161616:
00854                 {
00855                         uint16_t y, u, v;
00856                         yuv.rgb_to_yuv_16(
00857                                 (r_in << 8) | r_in, 
00858                                 (g_in << 8) | g_in, 
00859                                 (b_in << 8) | b_in, 
00860                                 y, 
00861                                 u, 
00862                                 v);
00863                         TRANSLATE(uint16_t, 0xffff, 3, y, u, v);
00864                         break;
00865                 }
00866                 case BC_RGBA_FLOAT:
00867                 {
00868                         float r, g, b;
00869                         r = (float)r_in / 0xff;
00870                         g = (float)g_in / 0xff;
00871                         b = (float)b_in / 0xff;
00872                         TRANSLATE(float, 0xff, 4, r, g, b);
00873                         break;
00874                 }
00875                 case BC_RGBA8888:
00876                 {       
00877                         TRANSLATE(unsigned char, 0xff, 4, r_in, g_in, b_in);
00878                         break;
00879                 }
00880                 case BC_YUVA8888:
00881                 {       
00882                         unsigned char y, u, v;
00883                         yuv.rgb_to_yuv_8(r_in, g_in, b_in, y, u, v);
00884                         TRANSLATE(unsigned char, 0xff, 4, y, u, v);
00885                         break;
00886                 }
00887                 case BC_RGBA16161616:
00888                 {       
00889                         uint16_t r, g, b;
00890                         r = (r_in << 8) | r_in;
00891                         g = (g_in << 8) | g_in;
00892                         b = (b_in << 8) | b_in;
00893                         TRANSLATE(uint16_t, 0xffff, 4, r, g, b);
00894                         break;
00895                 }
00896                 case BC_YUVA16161616:
00897                 {       
00898                         uint16_t y, u, v;
00899                         yuv.rgb_to_yuv_16(
00900                                 (r_in << 8) | r_in, 
00901                                 (g_in << 8) | g_in, 
00902                                 (b_in << 8) | b_in, 
00903                                 y, 
00904                                 u, 
00905                                 v);
00906                         TRANSLATE(uint16_t, 0xffff, 4, y, u, v);
00907                         break;
00908                 }
00909         }
00910 
00911 //printf("TitleTranslateUnit::process_package 5\n");
00912 }
00913 
00914 
00915 
00916 
00917 TitleTranslate::TitleTranslate(TitleMain *plugin, int cpus)
00918  : LoadServer(1, 1)
00919 {
00920         this->plugin = plugin;
00921         x_table = y_table = 0;
00922 }
00923 
00924 TitleTranslate::~TitleTranslate()
00925 {
00926         if(x_table) delete [] x_table;
00927         if(y_table) delete [] y_table;
00928 }
00929 
00930 void TitleTranslate::init_packages()
00931 {
00932 //printf("TitleTranslate::init_packages 1\n");
00933 // Generate scaling tables
00934         if(x_table) delete [] x_table;
00935         if(y_table) delete [] y_table;
00936 //printf("TitleTranslate::init_packages 1\n");
00937 
00938         output_w = plugin->output->get_w();
00939         output_h = plugin->output->get_h();
00940 //printf("TitleTranslate::init_packages 1 %f %d\n", plugin->text_x1, plugin->text_w);
00941 
00942 
00943         TranslateUnit::translation_array_f(x_table, 
00944                 plugin->text_x1, 
00945                 plugin->text_x1 + plugin->text_w,
00946                 0,
00947                 plugin->text_w,
00948                 plugin->text_w, 
00949                 output_w, 
00950                 out_x1_int,
00951                 out_x2_int);
00952 //printf("TitleTranslate::init_packages 1 %f %f\n", plugin->mask_y1, plugin->mask_y2);
00953 
00954         TranslateUnit::translation_array_f(y_table, 
00955                 plugin->mask_y1, 
00956                 plugin->mask_y1 + plugin->text_mask->get_h(),
00957                 0,
00958                 plugin->text_mask->get_h(),
00959                 plugin->text_mask->get_h(), 
00960                 output_h, 
00961                 out_y1_int,
00962                 out_y2_int);
00963 
00964 //printf("TitleTranslate::init_packages 1\n");
00965 
00966 
00967         out_y1 = out_y1_int;
00968         out_y2 = out_y2_int;
00969         out_x1 = out_x1_int;
00970         out_x2 = out_x2_int;
00971         int increment = (out_y2 - out_y1) / get_total_packages() + 1;
00972 
00973 //printf("TitleTranslate::init_packages 1 %d %d %d %d\n", 
00974 //      out_y1, out_y2, out_y1_int, out_y2_int);
00975         for(int i = 0; i < get_total_packages(); i++)
00976         {
00977                 TitleTranslatePackage *pkg = (TitleTranslatePackage*)get_package(i);
00978                 pkg->y1 = i * increment;
00979                 pkg->y2 = i * increment + increment;
00980                 if(pkg->y1 > out_y2 - out_y1)
00981                         pkg->y1 = out_y2 - out_y1;
00982                 if(pkg->y2 > out_y2 - out_y1)
00983                         pkg->y2 = out_y2 - out_y1;
00984         }
00985 //printf("TitleTranslate::init_packages 2\n");
00986 }
00987 
00988 LoadClient* TitleTranslate::new_client()
00989 {
00990         return new TitleTranslateUnit(plugin, this);
00991 }
00992 
00993 LoadPackage* TitleTranslate::new_package()