cinelerra-5.1/cinelerra/dvdcreate.C

   1 #include "asset.h"
   2 #include "bchash.h"
   3 #include "clip.h"
   4 #include "dvdcreate.h"
   5 #include "edl.h"
   6 #include "edit.h"
   7 #include "edits.h"
   8 #include "edlsession.h"
   9 #include "file.h"
  10 #include "filexml.h"
  11 #include "keyframe.h"
  12 #include "labels.h"
  13 #include "mainerror.h"
  14 #include "mainundo.h"
  15 #include "mwindow.h"
  16 #include "mwindowgui.h"
  17 #include "plugin.h"
  18 #include "pluginset.h"
  19 #include "preferences.h"
  20 #include "rescale.h"
  21 #include "track.h"
  22 #include "tracks.h"
  23
  24 #include <unistd.h>
  25 #include <fcntl.h>
  26 #include <errno.h>
  27 #include <sys/stat.h>
  28 #include <sys/statfs.h>
  29
  30
  31 #define DVD_PAL_4x3     0
  32 #define DVD_PAL_16x9    1
  33 #define DVD_NTSC_4x3    2
  34 #define DVD_NTSC_16x9   3
  35
  36 #define DVD_NORM_PAL    0
  37 #define DVD_NORM_NTSC   1
  38
  39 #define DVD_ASPECT_4x3  0
  40 #define DVD_ASPECT_16x9 1
  41
  42 static struct dvd_norm {
  43         const char *name;
  44         int w, h;
  45         double framerate;
  46 } dvd_norms[] = {
  47         { "PAL",  720,576, 25 },
  48         { "NTSC", 720,480, 29.97 },
  49 };
  50
  51 static struct dvd_aspect {
  52         int w, h;
  53 } dvd_aspects[] = {
  54         { 4, 3, },
  55         { 16, 9, },
  56 };
  57
  58 // DVD Creation
  59
  60 static struct dvd_format {
  61         int norm, aspect;
  62 } dvd_formats[] = {
  63         { DVD_NORM_PAL,  DVD_ASPECT_4x3, },
  64         { DVD_NORM_PAL,  DVD_ASPECT_16x9, },
  65         { DVD_NORM_NTSC, DVD_ASPECT_4x3, },
  66         { DVD_NORM_NTSC, DVD_ASPECT_16x9, },
  67 };
  68
  69 const int64_t CreateDVD_Thread::DVD_SIZE = 4700000000;
  70 const int CreateDVD_Thread::DVD_STREAMS = 1;
  71 const int CreateDVD_Thread::DVD_WIDTH = 720;
  72 const int CreateDVD_Thread::DVD_HEIGHT = 480;
  73 const double CreateDVD_Thread::DVD_ASPECT_WIDTH = 4.;
  74 const double CreateDVD_Thread::DVD_ASPECT_HEIGHT = 3.;
  75 const double CreateDVD_Thread::DVD_WIDE_ASPECT_WIDTH = 16.;
  76 const double CreateDVD_Thread::DVD_WIDE_ASPECT_HEIGHT = 9.;
  77 const double CreateDVD_Thread::DVD_FRAMERATE = 30000. / 1001.;
  78 const int CreateDVD_Thread::DVD_MAX_BITRATE = 8000000;
  79 const int CreateDVD_Thread::DVD_CHANNELS = 2;
  80 const int CreateDVD_Thread::DVD_WIDE_CHANNELS = 6;
  81 const double CreateDVD_Thread::DVD_SAMPLERATE = 48000;
  82 const double CreateDVD_Thread::DVD_KAUDIO_RATE = 224;
  83
  84
  85 CreateDVD_MenuItem::CreateDVD_MenuItem(MWindow *mwindow)
  86  : BC_MenuItem(_("DVD Render..."), _("Shift-D"), 'D')
  87 {
  88         set_shift(1);
  89         this->mwindow = mwindow;
  90 }
  91
  92 int CreateDVD_MenuItem::handle_event()
  93 {
  94         mwindow->create_dvd->start();
  95         return 1;
  96 }
  97
  98
  99 CreateDVD_Thread::CreateDVD_Thread(MWindow *mwindow)
 100  : BC_DialogThread()
 101 {
 102         this->mwindow = mwindow;
 103         this->gui = 0;
 104         this->use_deinterlace = 0;
 105         this->use_scale = 0;
 106         this->use_histogram = 0;
 107         this->use_inverse_telecine = 0;
 108         this->use_wide_audio = 0;
 109         this->use_ffmpeg = 0;
 110         this->use_resize_tracks = 0;
 111         this->use_label_chapters = 0;
 112
 113         this->dvd_size = DVD_SIZE;
 114         this->dvd_width = DVD_WIDTH;
 115         this->dvd_height = DVD_HEIGHT;
 116         this->dvd_aspect_width = DVD_ASPECT_WIDTH;
 117         this->dvd_aspect_height = DVD_ASPECT_HEIGHT;
 118         this->dvd_framerate = DVD_FRAMERATE;
 119         this->dvd_samplerate = DVD_SAMPLERATE;
 120         this->dvd_max_bitrate = DVD_MAX_BITRATE;
 121         this->dvd_kaudio_rate = DVD_KAUDIO_RATE;
 122         this->max_w = this->max_h = 0;
 123 }
 124
 125 CreateDVD_Thread::~CreateDVD_Thread()
 126 {
 127         close_window();
 128 }
 129
 130 int CreateDVD_Thread::create_dvd_jobs(ArrayList<BatchRenderJob*> *jobs, const char *asset_dir)
 131 {
 132         EDL *edl = mwindow->edl;
 133         if( !edl || !edl->session ) {
 134                 char msg[BCTEXTLEN];
 135                 sprintf(msg, _("No EDL/Session"));
 136                 MainError::show_error(msg);
 137                 return 1;
 138         }
 139         EDLSession *session = edl->session;
 140
 141         double total_length = edl->tracks->total_length();
 142         if( total_length <= 0 ) {
 143                 char msg[BCTEXTLEN];
 144                 sprintf(msg, _("No content: %s"), asset_title);
 145                 MainError::show_error(msg);
 146                 return 1;
 147         }
 148
 149         if( mkdir(asset_dir, 0777) ) {
 150                 char err[BCTEXTLEN], msg[BCTEXTLEN];
 151                 strerror_r(errno, err, sizeof(err));
 152                 sprintf(msg, _("Unable to create directory: %s\n-- %s"), asset_dir, err);
 153                 MainError::show_error(msg);
 154                 return 1;
 155         }
 156
 157         double old_samplerate = session->sample_rate;
 158         double old_framerate = session->frame_rate;
 159
 160         session->video_channels = DVD_STREAMS;
 161         session->video_tracks = DVD_STREAMS;
 162         session->frame_rate = dvd_framerate;
 163         session->output_w = dvd_width;
 164         session->output_h = dvd_height;
 165         session->aspect_w = dvd_aspect_width;
 166         session->aspect_h = dvd_aspect_height;
 167         session->sample_rate = dvd_samplerate;
 168         session->audio_channels = session->audio_tracks =
 169                 use_wide_audio ? DVD_WIDE_CHANNELS : DVD_CHANNELS;
 170
 171         char script_filename[BCTEXTLEN];
 172         sprintf(script_filename, "%s/dvd.sh", asset_dir);
 173         int fd = open(script_filename, O_WRONLY+O_CREAT+O_TRUNC, 0755);
 174         FILE *fp = fdopen(fd, "w");
 175         if( !fp ) {
 176                 char err[BCTEXTLEN], msg[BCTEXTLEN];
 177                 strerror_r(errno, err, sizeof(err));
 178                 sprintf(msg, _("Unable to save: %s\n-- %s"), script_filename, err);
 179                 MainError::show_error(msg);
 180                 return 1;
 181         }
 182         fprintf(fp,"#!/bin/bash\n");
 183         fprintf(fp,"echo \"running %s\" $# $*\n", script_filename);
 184         fprintf(fp,"\n");
 185         const char *exec_path = File::get_cinlib_path();
 186         fprintf(fp,"PATH=$PATH:%s\n",exec_path);
 187         if( mwindow->preferences->use_renderfarm )
 188                 fprintf(fp,"cat > $1/dvd.m2v $1/dvd.m2v0*\n");
 189         if( !use_ffmpeg ) {
 190                 fprintf(fp,"mplex -M -f 8 -o $1/dvd.mpg $1/dvd.m2v $1/dvd.ac3\n");
 191                 fprintf(fp,"\n");
 192         }
 193         fprintf(fp,"rm -rf $1/iso\n");
 194         fprintf(fp,"mkdir -p $1/iso\n");
 195         fprintf(fp,"\n");
 196 // dvdauthor ver 0.7.0 requires this to work
 197         int norm = dvd_formats[use_standard].norm;
 198         const char *name = dvd_norms[norm].name;
 199         fprintf(fp,"export VIDEO_FORMAT=%s\n", name);
 200         fprintf(fp,"dvdauthor -x - <<eof\n");
 201         fprintf(fp,"<dvdauthor dest=\"$1/iso\">\n");
 202         fprintf(fp,"  <vmgm>\n");
 203         fprintf(fp,"    <fpc> jump title 1; </fpc>\n");
 204         fprintf(fp,"  </vmgm>\n");
 205         fprintf(fp,"  <titleset>\n");
 206         fprintf(fp,"    <titles>\n");
 207         char std[BCSTRLEN], *cp = std;
 208         for( const char *np=name; *np!=0; ++cp,++np) *cp = *np + 'a'-'A';
 209         *cp = 0;
 210         fprintf(fp,"    <video format=\"%s\" aspect=\"%d:%d\" resolution=\"%dx%d\"/>\n",
 211                 std, (int)session->aspect_w, (int)session->aspect_h,
 212                 session->output_w, session->output_h);
 213         fprintf(fp,"    <audio format=\"ac3\" lang=\"en\"/>\n");
 214         fprintf(fp,"    <pgc>\n");
 215         fprintf(fp,"      <vob file=\"$1/dvd.mpg\" chapters=\"");
 216         if( use_label_chapters && edl->labels ) {
 217                 Label *label = edl->labels->first;
 218                 while( label ) {
 219                         int secs = label->position;
 220                         int mins = secs / 60;
 221                         int frms = (label->position-secs) * session->frame_rate;
 222                         fprintf(fp,"%d:%02d:%02d.%d", mins/60, mins%60, secs%60, frms);
 223                         if( (label=label->next) != 0 ) fprintf(fp, ",");
 224                 }
 225         }
 226         else {
 227                 int mins = 0;
 228                 for( int secs=0 ; secs<total_length; secs+=10*60 ) {
 229                         mins = secs / 60;
 230                         fprintf(fp,"%d:%02d:00,", mins/60, mins%60);
 231                 }
 232                 fprintf(fp,"%d:%02d:00", mins/60, mins%60);
 233         }
 234         fprintf(fp,"\"/>\n");
 235         fprintf(fp,"    </pgc>\n");
 236         fprintf(fp,"    </titles>\n");
 237         fprintf(fp,"  </titleset>\n");
 238         fprintf(fp,"</dvdauthor>\n");
 239         fprintf(fp,"eof\n");
 240         fprintf(fp,"\n");
 241         fprintf(fp,"echo To burn dvd, load blank media and run:\n");
 242         fprintf(fp,"echo growisofs -dvd-compat -Z /dev/dvd -dvd-video $1/iso\n");
 243         fprintf(fp,"kill $$\n");
 244         fprintf(fp,"\n");
 245         fclose(fp);
 246
 247         if( use_wide_audio ) {
 248                 session->audio_channels = session->audio_tracks = DVD_WIDE_CHANNELS;
 249                 session->achannel_positions[0] = 90;
 250                 session->achannel_positions[1] = 150;
 251                 session->achannel_positions[2] = 30;
 252                 session->achannel_positions[3] = 210;
 253                 session->achannel_positions[4] = 330;
 254                 session->achannel_positions[5] = 270;
 255                 if( edl->tracks->recordable_audio_tracks() == DVD_WIDE_CHANNELS )
 256                         mwindow->remap_audio(MWindow::AUDIO_1_TO_1);
 257         }
 258         else {
 259                 session->audio_channels = session->audio_tracks = DVD_CHANNELS;
 260                 session->achannel_positions[0] = 180;
 261                 session->achannel_positions[1] = 0;
 262                 if( edl->tracks->recordable_audio_tracks() == DVD_WIDE_CHANNELS )
 263                         mwindow->remap_audio(MWindow::AUDIO_5_1_TO_2);
 264         }
 265
 266         double new_samplerate = session->sample_rate;
 267         double new_framerate = session->frame_rate;
 268         edl->retrack();
 269         edl->rechannel();
 270         edl->resample(old_samplerate, new_samplerate, TRACK_AUDIO);
 271         edl->resample(old_framerate, new_framerate, TRACK_VIDEO);
 272
 273         int64_t aud_size = ((dvd_kaudio_rate * total_length)/8 + 1000-1) * 1000;
 274         int64_t vid_size = dvd_size*0.96 - aud_size;
 275         int64_t vid_bitrate = (vid_size * 8) / total_length;
 276         vid_bitrate /= 1000;  vid_bitrate *= 1000;
 277         if( vid_bitrate > dvd_max_bitrate )
 278                 vid_bitrate = dvd_max_bitrate;
 279
 280         char xml_filename[BCTEXTLEN];
 281         sprintf(xml_filename, "%s/dvd.xml", asset_dir);
 282         FileXML xml_file;
 283         edl->save_xml(&xml_file, xml_filename, 0, 0);
 284         xml_file.terminate_string();
 285         if( xml_file.write_to_file(xml_filename) ) {
 286                 char msg[BCTEXTLEN];
 287                 sprintf(msg, _("Unable to save: %s"), xml_filename);
 288                 MainError::show_error(msg);
 289                 return 1;
 290         }
 291
 292         BatchRenderJob *job = new BatchRenderJob(mwindow->preferences);
 293         jobs->append(job);
 294         strcpy(&job->edl_path[0], xml_filename);
 295         Asset *asset = job->asset;
 296
 297         asset->layers = DVD_STREAMS;
 298         asset->frame_rate = session->frame_rate;
 299         asset->width = session->output_w;
 300         asset->height = session->output_h;
 301         asset->aspect_ratio = session->aspect_w / session->aspect_h;
 302
 303         if( use_ffmpeg ) {
 304                 char option_path[BCTEXTLEN];
 305                 sprintf(&asset->path[0],"%s/dvd.mpg", asset_dir);
 306                 asset->format = FILE_FFMPEG;
 307                 strcpy(asset->fformat, "dvd");
 308
 309                 asset->audio_data = 1;
 310                 strcpy(asset->acodec, "dvd.dvd");
 311                 FFMPEG::set_option_path(option_path, "audio/%s", asset->acodec);
 312                 FFMPEG::load_options(option_path, asset->ff_audio_options,
 313                          sizeof(asset->ff_audio_options));
 314                 asset->ff_audio_bitrate = dvd_kaudio_rate * 1000;
 315
 316                 asset->video_data = 1;
 317                 strcpy(asset->vcodec, "dvd.dvd");
 318                 FFMPEG::set_option_path(option_path, "video/%s", asset->vcodec);
 319                 FFMPEG::load_options(option_path, asset->ff_video_options,
 320                          sizeof(asset->ff_video_options));
 321                 asset->ff_video_bitrate = vid_bitrate;
 322                 asset->ff_video_quality = -1;
 323         }
 324         else {
 325                 sprintf(&asset->path[0],"%s/dvd.m2v", asset_dir);
 326                 asset->video_data = 1;
 327                 asset->format = FILE_VMPEG;
 328                 asset->vmpeg_cmodel = BC_YUV420P;
 329                 asset->vmpeg_fix_bitrate = 1;
 330                 asset->vmpeg_bitrate = vid_bitrate;
 331                 asset->vmpeg_quantization = 15;
 332                 asset->vmpeg_iframe_distance = 15;
 333                 asset->vmpeg_progressive = 0;
 334                 asset->vmpeg_denoise = 0;
 335                 asset->vmpeg_seq_codes = 0;
 336                 asset->vmpeg_derivative = 2;
 337                 asset->vmpeg_preset = 8;
 338                 asset->vmpeg_field_order = 0;
 339                 asset->vmpeg_pframe_distance = 0;
 340                 job = new BatchRenderJob(mwindow->preferences, SINGLE_PASS);
 341                 jobs->append(job);
 342                 strcpy(&job->edl_path[0], xml_filename);
 343                 asset = job->asset;
 344
 345                 sprintf(&asset->path[0],"%s/dvd.ac3", asset_dir);
 346                 asset->audio_data = 1;
 347                 asset->format = FILE_AC3;
 348                 asset->channels = session->audio_channels;
 349                 asset->sample_rate = session->sample_rate;
 350                 asset->bits = 16;
 351                 asset->byte_order = 0;
 352                 asset->signed_ = 1;
 353                 asset->header = 0;
 354                 asset->dither = 0;
 355                 asset->ac3_bitrate = dvd_kaudio_rate;
 356         }
 357
 358         job = new BatchRenderJob(mwindow->preferences);
 359         jobs->append(job);
 360         job->edl_path[0] = '@';
 361         strcpy(&job->edl_path[1], script_filename);
 362         strcpy(&job->asset->path[0], asset_dir);
 363
 364         return 0;
 365 }
 366
 367 void CreateDVD_Thread::handle_close_event(int result)
 368 {
 369         if( result ) return;
 370         mwindow->defaults->update("WORK_DIRECTORY", tmp_path);
 371         mwindow->batch_render->load_defaults(mwindow->defaults);
 372         mwindow->undo->update_undo_before();
 373         KeyFrame keyframe;  char data[BCTEXTLEN];
 374         if( use_deinterlace ) {
 375                 sprintf(data,"<DEINTERLACE MODE=1>");
 376                 keyframe.set_data(data);
 377                 insert_video_plugin("Deinterlace", &keyframe);
 378         }
 379         if( use_inverse_telecine ) {
 380                 sprintf(data,"<IVTC FRAME_OFFSET=0 FIRST_FIELD=0 "
 381                         "AUTOMATIC=1 AUTO_THRESHOLD=2.0e+00 PATTERN=2>");
 382                 keyframe.set_data(data);
 383                 insert_video_plugin("Inverse Telecine", &keyframe);
 384         }
 385         if( use_scale != Rescale::none ) {
 386                 double dvd_aspect = dvd_aspect_height > 0 ? dvd_aspect_width/dvd_aspect_height : 1;
 387
 388                 Tracks *tracks = mwindow->edl->tracks;
 389                 for( Track *vtrk=tracks->first; vtrk; vtrk=vtrk->next ) {
 390                         if( vtrk->data_type != TRACK_VIDEO ) continue;
 391                         if( !vtrk->record ) continue;
 392                         vtrk->expand_view = 1;
 393                         PluginSet *plugin_set = new PluginSet(mwindow->edl, vtrk);
 394                         vtrk->plugin_set.append(plugin_set);
 395                         Edits *edits = vtrk->edits;
 396                         for( Edit *edit=edits->first; edit; edit=edit->next ) {
 397                                 Indexable *indexable = edit->get_source();
 398                                 if( !indexable ) continue;
 399                                 Rescale in(indexable);
 400                                 Rescale out(dvd_width, dvd_height, dvd_aspect);
 401                                 float src_w, src_h, dst_w, dst_h;
 402                                 in.rescale(out,use_scale, src_w,src_h, dst_w,dst_h);
 403                                 sprintf(data,"<SCALERATIO TYPE=%d"
 404                                         " IN_W=%d IN_H=%d IN_ASPECT_RATIO=%f"
 405                                         " OUT_W=%d OUT_H=%d OUT_ASPECT_RATIO=%f"
 406                                         " SRC_X=%f SRC_Y=%f SRC_W=%f SRC_H=%f"
 407                                         " DST_X=%f DST_Y=%f DST_W=%f DST_H=%f>", use_scale,
 408                                         in.w, in.h, in.aspect, out.w, out.h, out.aspect,
 409                                         0., 0., src_w, src_h, 0., 0., dst_w, dst_h);
 410                                 keyframe.set_data(data);
 411                                 plugin_set->insert_plugin(_("Scale Ratio"),
 412                                         edit->startproject, edit->length,
 413                                         PLUGIN_STANDALONE, 0, &keyframe, 0);
 414                         }
 415                         vtrk->optimize();
 416                 }
 417         }
 418
 419         if( use_resize_tracks )
 420                 resize_tracks();
 421         if( use_histogram ) {
 422 #if 0
 423                 sprintf(data, "<HISTOGRAM OUTPUT_MIN_0=0 OUTPUT_MAX_0=1 "
 424                         "OUTPUT_MIN_1=0 OUTPUT_MAX_1=1 "
 425                         "OUTPUT_MIN_2=0 OUTPUT_MAX_2=1 "
 426                         "OUTPUT_MIN_3=0 OUTPUT_MAX_3=1 "
 427                         "AUTOMATIC=0 THRESHOLD=9.0-01 PLOT=0 SPLIT=0>"
 428                         "<POINTS></POINTS><POINTS></POINTS><POINTS></POINTS>"
 429                         "<POINTS><POINT X=6.0e-02 Y=0>"
 430                                 "<POINT X=9.4e-01 Y=1></POINTS>");
 431 #else
 432                 sprintf(data, "<HISTOGRAM AUTOMATIC=0 THRESHOLD=1.0e-01 "
 433                         "PLOT=0 SPLIT=0 W=440 H=500 PARADE=0 MODE=3 "
 434                         "LOW_OUTPUT_0=0 HIGH_OUTPUT_0=1 LOW_INPUT_0=0 HIGH_INPUT_0=1 GAMMA_0=1 "
 435                         "LOW_OUTPUT_1=0 HIGH_OUTPUT_1=1 LOW_INPUT_1=0 HIGH_INPUT_1=1 GAMMA_1=1 "
 436                         "LOW_OUTPUT_2=0 HIGH_OUTPUT_2=1 LOW_INPUT_2=0 HIGH_INPUT_2=1 GAMMA_2=1 "
 437                         "LOW_OUTPUT_3=0 HIGH_OUTPUT_3=1 LOW_INPUT_3=0.044 HIGH_INPUT_3=0.956 "
 438                         "GAMMA_3=1>");
 439 #endif
 440                 keyframe.set_data(data);
 441                 insert_video_plugin("Histogram", &keyframe);
 442         }
 443         char asset_dir[BCTEXTLEN], jobs_path[BCTEXTLEN];
 444         snprintf(asset_dir, sizeof(asset_dir), "%s/%s", tmp_path, asset_title);
 445         snprintf(jobs_path, sizeof(jobs_path), "%s/dvd.jobs", asset_dir);
 446         mwindow->batch_render->reset(jobs_path);
 447         int ret = create_dvd_jobs(&mwindow->batch_render->jobs, asset_dir);
 448         mwindow->undo->update_undo_after(_("create dvd"), LOAD_ALL);
 449         mwindow->resync_guis();
 450         if( ret ) return;
 451         mwindow->batch_render->save_jobs();
 452         mwindow->batch_render->start();
 453 }
 454
 455 BC_Window* CreateDVD_Thread::new_gui()
 456 {
 457         strcpy(tmp_path,"/tmp");
 458         mwindow->defaults->get("WORK_DIRECTORY", tmp_path);
 459         memset(asset_title,0,sizeof(asset_title));
 460         time_t dt;  time(&dt);
 461         struct tm dtm;  localtime_r(&dt, &dtm);
 462         sprintf(asset_title, "dvd_%02d%02d%02d-%02d%02d%02d",
 463                 dtm.tm_year+1900, dtm.tm_mon+1, dtm.tm_mday,
 464                 dtm.tm_hour, dtm.tm_min, dtm.tm_sec);
 465         use_deinterlace = 0;
 466         use_scale = Rescale::none;
 467         use_histogram = 0;
 468         use_inverse_telecine = 0;
 469         use_wide_audio = 0;
 470         use_ffmpeg = 0;
 471         use_resize_tracks = 0;
 472         use_label_chapters = 0;
 473         use_standard = DVD_NTSC_4x3;
 474
 475         dvd_size = DVD_SIZE;
 476         dvd_width = DVD_WIDTH;
 477         dvd_height = DVD_HEIGHT;
 478         dvd_aspect_width = DVD_ASPECT_WIDTH;
 479         dvd_aspect_height = DVD_ASPECT_HEIGHT;
 480         dvd_framerate = DVD_FRAMERATE;
 481         dvd_samplerate = DVD_SAMPLERATE;
 482         dvd_max_bitrate = DVD_MAX_BITRATE;
 483         dvd_kaudio_rate = DVD_KAUDIO_RATE;
 484         max_w = 0; max_h = 0;
 485
 486         int has_standard = -1;
 487         if( mwindow->edl ) {
 488                 EDLSession *session = mwindow->edl->session;
 489                 double framerate = session->frame_rate;
 490                 double aspect_ratio = session->aspect_h > 0 ?
 491                         session->aspect_w / session->aspect_h > 0 : 1;
 492                 int output_w = session->output_w, output_h = session->output_h;
 493 // match the session to any known standard
 494                 for( int i=0; i<(int)(sizeof(dvd_formats)/sizeof(dvd_formats[0])); ++i ) {
 495                         int norm = dvd_formats[i].norm;
 496                         if( !EQUIV(framerate, dvd_norms[norm].framerate) ) continue;
 497                         if( output_w != dvd_norms[norm].w ) continue;
 498                         if( output_h != dvd_norms[norm].h ) continue;
 499                         int aspect = dvd_formats[i].aspect;
 500                         double dvd_aspect_ratio =
 501                                 (double)dvd_aspects[aspect].w / dvd_aspects[aspect].h;
 502                         if( !EQUIV(aspect_ratio, dvd_aspect_ratio) ) continue;
 503                         has_standard = i;  break;
 504                 }
 505                 if( has_standard < 0 ) {
 506 // or use the default standard
 507                         if( !strcmp(mwindow->default_standard, "NTSC") ) has_standard = DVD_NTSC_4x3;
 508                         else if( !strcmp(mwindow->default_standard, "PAL") ) has_standard = DVD_PAL_4x3;
 509                 }
 510         }
 511         if( has_standard >= 0 )
 512                 use_standard = has_standard;
 513
 514         option_presets();
 515         int scr_x = mwindow->gui->get_screen_x(0, -1);
 516         int scr_w = mwindow->gui->get_screen_w(0, -1);
 517         int scr_h = mwindow->gui->get_screen_h(0, -1);
 518         int w = 520, h = 280;
 519         int x = scr_x + scr_w/2 - w/2, y = scr_h/2 - h/2;
 520
 521         gui = new CreateDVD_GUI(this, x, y, w, h);
 522         gui->create_objects();
 523         return gui;
 524 }
 525
 526
 527 CreateDVD_OK::CreateDVD_OK(CreateDVD_GUI *gui, int x, int y)
 528  : BC_OKButton(x, y)
 529 {
 530         this->gui = gui;
 531         set_tooltip(_("end setup, start batch render"));
 532 }
 533
 534 CreateDVD_OK::~CreateDVD_OK()
 535 {
 536 }
 537
 538 int CreateDVD_OK::button_press_event()
 539 {
 540         if(get_buttonpress() == 1 && is_event_win() && cursor_inside()) {
 541                 gui->set_done(0);
 542                 return 1;
 543         }
 544         return 0;
 545 }
 546
 547 int CreateDVD_OK::keypress_event()
 548 {
 549         return 0;
 550 }
 551
 552
 553 CreateDVD_Cancel::CreateDVD_Cancel(CreateDVD_GUI *gui, int x, int y)
 554  : BC_CancelButton(x, y)
 555 {
 556         this->gui = gui;
 557 }
 558
 559 CreateDVD_Cancel::~CreateDVD_Cancel()
 560 {
 561 }
 562
 563 int CreateDVD_Cancel::button_press_event()
 564 {
 565         if(get_buttonpress() == 1 && is_event_win() && cursor_inside()) {
 566                 gui->set_done(1);
 567                 return 1;
 568         }
 569         return 0;
 570 }
 571
 572
 573 CreateDVD_DiskSpace::CreateDVD_DiskSpace(CreateDVD_GUI *gui, int x, int y)
 574  : BC_Title(x, y, "", MEDIUMFONT, GREEN)
 575 {
 576         this->gui = gui;
 577 }
 578
 579 CreateDVD_DiskSpace::~CreateDVD_DiskSpace()
 580 {
 581 }
 582
 583 int64_t CreateDVD_DiskSpace::tmp_path_space()
 584 {
 585         const char *path = gui->thread->tmp_path;
 586         if( access(path,R_OK+W_OK) ) return 0;
 587         struct statfs sfs;
 588         if( statfs(path, &sfs) ) return 0;
 589         return (int64_t)sfs.f_bsize * sfs.f_bfree;
 590 }
 591
 592 void CreateDVD_DiskSpace::update()
 593 {
 594         static const char *suffix[] = { "", "KB", "MB", "GB", "TB", "PB" };
 595         int64_t disk_space = tmp_path_space();
 596         double media_size = 15e9, msz = 0, m = 1;
 597         char sfx[BCSTRLEN];
 598         if( sscanf(gui->media_size->get_text(), "%lf%s", &msz, sfx) == 2 ) {
 599                 int i = sizeof(suffix)/sizeof(suffix[0]);
 600                 while( --i >= 0 && strcmp(sfx, suffix[i]) );
 601                 while( --i >= 0 ) m *= 1000;
 602                 media_size = msz * m;
 603         }
 604         m = gui->thread->use_ffmpeg ? 2 : 3;
 605         int color = disk_space < media_size*m ? RED : GREEN;
 606         int i = 0;
 607         for( int64_t space=disk_space; i<5 && (space/=1000)>0; disk_space=space, ++i );
 608         char text[BCTEXTLEN];
 609         sprintf(text, "%s%3jd%s", _("disk space: "), disk_space, suffix[i]);
 610         gui->disk_space->BC_Title::update(text);
 611         gui->disk_space->set_color(color);
 612 }
 613
 614 CreateDVD_TmpPath::CreateDVD_TmpPath(CreateDVD_GUI *gui, int x, int y, int w)
 615  : BC_TextBox(x, y, w, 1, -(int)sizeof(gui->thread->tmp_path),
 616                 gui->thread->tmp_path, 1, MEDIUMFONT)
 617 {
 618         this->gui = gui;
 619 }
 620
 621 CreateDVD_TmpPath::~CreateDVD_TmpPath()
 622 {
 623 }
 624
 625 int CreateDVD_TmpPath::handle_event()
 626 {
 627         get_text();
 628         gui->disk_space->update();
 629         return 1;
 630 }
 631
 632
 633 CreateDVD_AssetTitle::CreateDVD_AssetTitle(CreateDVD_GUI *gui, int x, int y, int w)
 634  : BC_TextBox(x, y, w, 1, -(int)sizeof(gui->thread->asset_title),
 635                 gui->thread->asset_title, 1, MEDIUMFONT)
 636 {
 637         this->gui = gui;
 638 }
 639
 640 CreateDVD_AssetTitle::~CreateDVD_AssetTitle()
 641 {
 642 }
 643
 644 int CreateDVD_AssetTitle::handle_event()
 645 {
 646         get_text();
 647         return 1;
 648 }
 649
 650
 651 CreateDVD_Deinterlace::CreateDVD_Deinterlace(CreateDVD_GUI *gui, int x, int y)
 652  : BC_CheckBox(x, y, &gui->thread->use_deinterlace, _("Deinterlace"))
 653 {
 654         this->gui = gui;
 655 }
 656
 657 CreateDVD_Deinterlace::~CreateDVD_Deinterlace()
 658 {
 659 }
 660
 661 int CreateDVD_Deinterlace::handle_event()
 662 {
 663         if( get_value() ) {
 664                 gui->need_inverse_telecine->set_value(0);
 665                 gui->thread->use_inverse_telecine = 0;
 666         }
 667         return BC_CheckBox::handle_event();
 668 }
 669
 670
 671 CreateDVD_InverseTelecine::CreateDVD_InverseTelecine(CreateDVD_GUI *gui, int x, int y)
 672  : BC_CheckBox(x, y, &gui->thread->use_inverse_telecine, _("Inverse Telecine"))
 673 {
 674         this->gui = gui;
 675 }
 676
 677 CreateDVD_InverseTelecine::~CreateDVD_InverseTelecine()
 678 {
 679 }
 680
 681 int CreateDVD_InverseTelecine::handle_event()
 682 {
 683         if( get_value() ) {
 684                 gui->need_deinterlace->set_value(0);
 685                 gui->thread->use_deinterlace = 0;
 686         }
 687         return BC_CheckBox::handle_event();
 688 }
 689
 690
 691 CreateDVD_ResizeTracks::CreateDVD_ResizeTracks(CreateDVD_GUI *gui, int x, int y)
 692  : BC_CheckBox(x, y, &gui->thread->use_resize_tracks, _("Resize Tracks"))
 693 {
 694         this->gui = gui;
 695 }
 696
 697 CreateDVD_ResizeTracks::~CreateDVD_ResizeTracks()
 698 {
 699 }
 700
 701
 702 CreateDVD_Histogram::CreateDVD_Histogram(CreateDVD_GUI *gui, int x, int y)
 703  : BC_CheckBox(x, y, &gui->thread->use_histogram, _("Histogram"))
 704 {
 705         this->gui = gui;
 706 }
 707
 708 CreateDVD_Histogram::~CreateDVD_Histogram()
 709 {
 710 }
 711
 712 CreateDVD_LabelChapters::CreateDVD_LabelChapters(CreateDVD_GUI *gui, int x, int y)
 713  : BC_CheckBox(x, y, &gui->thread->use_label_chapters, _("Chapters at Labels"))
 714 {
 715         this->gui = gui;
 716 }
 717
 718 CreateDVD_LabelChapters::~CreateDVD_LabelChapters()
 719 {
 720 }
 721
 722 CreateDVD_WideAudio::CreateDVD_WideAudio(CreateDVD_GUI *gui, int x, int y)
 723  : BC_CheckBox(x, y, &gui->thread->use_wide_audio, _("Audio 5.1"))
 724 {
 725         this->gui = gui;
 726 }
 727
 728 CreateDVD_WideAudio::~CreateDVD_WideAudio()
 729 {
 730 }
 731
 732 CreateDVD_UseFFMpeg::CreateDVD_UseFFMpeg(CreateDVD_GUI *gui, int x, int y)
 733  : BC_CheckBox(x, y, &gui->thread->use_ffmpeg, _("Use FFMPEG"))
 734 {
 735         this->gui = gui;
 736 }
 737
 738 CreateDVD_UseFFMpeg::~CreateDVD_UseFFMpeg()
 739 {
 740 }
 741
 742
 743
 744
 745 CreateDVD_GUI::CreateDVD_GUI(CreateDVD_Thread *thread, int x, int y, int w, int h)
 746  : BC_Window(_(PROGRAM_NAME ": Create DVD"), x, y, w, h, 50, 50, 1, 0, 1)
 747 {
 748         this->thread = thread;
 749         at_x = at_y = tmp_x = tmp_y = 0;
 750         ok_x = ok_y = ok_w = ok_h = 0;
 751         cancel_x = cancel_y = cancel_w = cancel_h = 0;
 752         asset_title = 0;
 753         tmp_path = 0;
 754         btmp_path = 0;
 755         disk_space = 0;
 756         standard = 0;
 757         scale = 0;
 758         need_deinterlace = 0;
 759         need_inverse_telecine = 0;
 760         need_resize_tracks = 0;
 761         need_histogram = 0;
 762         need_wide_audio = 0;
 763         need_label_chapters = 0;
 764         ok = 0;
 765         cancel = 0;
 766 }
 767
 768 CreateDVD_GUI::~CreateDVD_GUI()
 769 {
 770 }
 771
 772 void CreateDVD_GUI::create_objects()
 773 {
 774         lock_window("CreateDVD_GUI::create_objects");
 775         int pady = BC_TextBox::calculate_h(this, MEDIUMFONT, 0, 1) + 5;
 776         int padx = BC_Title::calculate_w(this, (char*)"X", MEDIUMFONT);
 777         int x = padx/2, y = pady/2;
 778         BC_Title *title = new BC_Title(x, y, _("Title:"), MEDIUMFONT, YELLOW);
 779         add_subwindow(title);
 780         at_x = x + title->get_w();  at_y = y;
 781         asset_title = new CreateDVD_AssetTitle(this, at_x, at_y, get_w()-at_x-10);
 782         add_subwindow(asset_title);
 783         y += title->get_h() + pady/2;
 784         title = new BC_Title(x, y, _("Work path:"), MEDIUMFONT, YELLOW);
 785         add_subwindow(title);
 786         tmp_x = x + title->get_w();  tmp_y = y;
 787         tmp_path = new CreateDVD_TmpPath(this, tmp_x, tmp_y,  get_w()-tmp_x-35);
 788         add_subwindow(tmp_path);
 789         btmp_path = new BrowseButton(thread->mwindow->theme, this, tmp_path,
 790                 tmp_x+tmp_path->get_w(), tmp_y, "/tmp",
 791                 _("Work path"), _("Select a Work directory:"), 1);
 792         add_subwindow(btmp_path);
 793         y += title->get_h() + pady/2;
 794         disk_space = new CreateDVD_DiskSpace(this, x, y);
 795         add_subwindow(disk_space);
 796         int x0 = get_w() - 170;
 797         title = new BC_Title(x0, y, _("Media:"), MEDIUMFONT, YELLOW);
 798         add_subwindow(title);
 799         int x1 = x0+title->get_w()+padx;
 800         media_size = new CreateDVD_MediaSize(this, x1, y);
 801         media_size->create_objects();
 802         media_sizes.append(new BC_ListBoxItem("4.7GB"));
 803         media_sizes.append(new BC_ListBoxItem("8.3GB"));
 804         media_size->update_list(&media_sizes);
 805         media_size->update(media_sizes[0]->get_text());
 806         disk_space->update();
 807         y += disk_space->get_h() + pady/2;
 808         title = new BC_Title(x, y, _("Format:"), MEDIUMFONT, YELLOW);
 809         add_subwindow(title);
 810         standard = new CreateDVD_Format(this, title->get_w() + padx, y);
 811         add_subwindow(standard);
 812         standard->create_objects();
 813         x0 -= 30;
 814         title = new BC_Title(x0, y, _("Scale:"), MEDIUMFONT, YELLOW);
 815         add_subwindow(title);
 816         x1 = x0+title->get_w()+padx;
 817         scale = new CreateDVD_Scale(this, x1, y);
 818         add_subwindow(scale);
 819         scale->create_objects();
 820         y += standard->get_h() + pady/2;
 821         need_deinterlace = new CreateDVD_Deinterlace(this, x, y);
 822         add_subwindow(need_deinterlace);
 823         x1 = x + 170;
 824         int x2 = x1 + 170;
 825         need_inverse_telecine = new CreateDVD_InverseTelecine(this, x1, y);
 826         add_subwindow(need_inverse_telecine);
 827         need_use_ffmpeg = new CreateDVD_UseFFMpeg(this, x2, y);
 828         add_subwindow(need_use_ffmpeg);
 829         y += need_deinterlace->get_h() + pady/2;
 830         need_histogram = new CreateDVD_Histogram(this, x, y);
 831         add_subwindow(need_histogram);
 832         need_wide_audio = new CreateDVD_WideAudio(this, x1, y);
 833         add_subwindow(need_wide_audio);
 834         need_resize_tracks = new CreateDVD_ResizeTracks(this, x2, y);
 835         add_subwindow(need_resize_tracks);
 836         y += need_histogram->get_h() + pady/2;
 837         need_label_chapters = new CreateDVD_LabelChapters(this, x1, y);
 838         add_subwindow(need_label_chapters);
 839         ok_w = BC_OKButton::calculate_w();
 840         ok_h = BC_OKButton::calculate_h();
 841         ok_x = 10;
 842         ok_y = get_h() - ok_h - 10;
 843         ok = new CreateDVD_OK(this, ok_x, ok_y);
 844         add_subwindow(ok);
 845         cancel_w = BC_CancelButton::calculate_w();
 846         cancel_h = BC_CancelButton::calculate_h();
 847         cancel_x = get_w() - cancel_w - 10,
 848         cancel_y = get_h() - cancel_h - 10;
 849         cancel = new CreateDVD_Cancel(this, cancel_x, cancel_y);
 850         add_subwindow(cancel);
 851         show_window();
 852         unlock_window();
 853 }
 854
 855 int CreateDVD_GUI::resize_event(int w, int h)
 856 {
 857         asset_title->reposition_window(at_x, at_y, get_w()-at_x-10);
 858         tmp_path->reposition_window(tmp_x, tmp_y,  get_w()-tmp_x-35);
 859         btmp_path->reposition_window(tmp_x+tmp_path->get_w(), tmp_y);
 860         ok_y = h - ok_h - 10;
 861         ok->reposition_window(ok_x, ok_y);
 862         cancel_x = w - cancel_w - 10,
 863         cancel_y = h - cancel_h - 10;
 864         cancel->reposition_window(cancel_x, cancel_y);
 865         return 0;
 866 }
 867
 868 int CreateDVD_GUI::translation_event()
 869 {
 870         return 1;
 871 }
 872
 873 int CreateDVD_GUI::close_event()
 874 {
 875         set_done(1);
 876         return 1;
 877 }
 878
 879 void CreateDVD_GUI::update()
 880 {
 881         scale->set_value(thread->use_scale);
 882         need_deinterlace->set_value(thread->use_deinterlace);
 883         need_inverse_telecine->set_value(thread->use_inverse_telecine);
 884         need_use_ffmpeg->set_value(thread->use_ffmpeg);
 885         need_resize_tracks->set_value(thread->use_resize_tracks);
 886         need_histogram->set_value(thread->use_histogram);
 887         need_wide_audio->set_value(thread->use_wide_audio);
 888         need_label_chapters->set_value(thread->use_label_chapters);
 889 }
 890
 891 int CreateDVD_Thread::
 892 insert_video_plugin(const char *title, KeyFrame *default_keyframe)
 893 {
 894         Tracks *tracks = mwindow->edl->tracks;
 895         for( Track *vtrk=tracks->first; vtrk; vtrk=vtrk->next ) {
 896                 if( vtrk->data_type != TRACK_VIDEO ) continue;
 897                 if( !vtrk->record ) continue;
 898                 vtrk->expand_view = 1;
 899                 PluginSet *plugin_set = new PluginSet(mwindow->edl, vtrk);
 900                 vtrk->plugin_set.append(plugin_set);
 901                 Edits *edits = vtrk->edits;
 902                 for( Edit *edit=edits->first; edit; edit=edit->next ) {
 903                         plugin_set->insert_plugin(_(title),
 904                                 edit->startproject, edit->length,
 905                                 PLUGIN_STANDALONE, 0, default_keyframe, 0);
 906                 }
 907                 vtrk->optimize();
 908         }
 909         return 0;
 910 }
 911
 912 int CreateDVD_Thread::
 913 resize_tracks()
 914 {
 915         Tracks *tracks = mwindow->edl->tracks;
 916         int trk_w = max_w, trk_h = max_h;
 917         if( trk_w < dvd_width ) trk_w = dvd_width;
 918         if( trk_h < dvd_height ) trk_h = dvd_height;
 919         for( Track *vtrk=tracks->first; vtrk; vtrk=vtrk->next ) {
 920                 if( vtrk->data_type != TRACK_VIDEO ) continue;
 921                 if( !vtrk->record ) continue;
 922                 vtrk->track_w = trk_w;
 923                 vtrk->track_h = trk_h;
 924         }
 925         return 0;
 926 }
 927
 928 int CreateDVD_Thread::
 929 option_presets()
 930 {
 931 // reset only probed options
 932         use_deinterlace = 0;
 933         use_scale = Rescale::none;
 934         use_resize_tracks = 0;
 935         use_wide_audio = 0;
 936         use_label_chapters = 0;
 937
 938         if( !mwindow->edl ) return 1;
 939
 940         int norm = dvd_formats[use_standard].norm;
 941         dvd_width = dvd_norms[norm].w;
 942         dvd_height = dvd_norms[norm].h;
 943         dvd_framerate = dvd_norms[norm].framerate;
 944         int aspect = dvd_formats[use_standard].aspect;
 945         dvd_aspect_width = dvd_aspects[aspect].w;
 946         dvd_aspect_height = dvd_aspects[aspect].h;
 947         double dvd_aspect = dvd_aspect_height > 0 ? dvd_aspect_width/dvd_aspect_height : 1;
 948
 949         Tracks *tracks = mwindow->edl->tracks;
 950         max_w = 0;  max_h = 0;
 951         int has_deinterlace = 0, has_scale = 0;
 952         for( Track *trk=tracks->first; trk; trk=trk->next ) {
 953                 if( !trk->record ) continue;
 954                 Edits *edits = trk->edits;
 955                 switch( trk->data_type ) {
 956                 case TRACK_VIDEO:
 957                         for( Edit *edit=edits->first; edit; edit=edit->next ) {
 958                                 if( edit->silence() ) continue;
 959                                 Indexable *indexable = edit->get_source();
 960                                 int w = indexable->get_w();
 961                                 if( w > max_w ) max_w = w;
 962                                 if( w != dvd_width ) use_scale = Rescale::scaled;
 963                                 int h = indexable->get_h();
 964                                 if( h > max_h ) max_h = h;
 965                                 if( h != dvd_height ) use_scale = Rescale::scaled;
 966                                 float aw, ah;
 967                                 MWindow::create_aspect_ratio(aw, ah, w, h);
 968                                 double aspect = ah > 0 ? aw / ah : 1;
 969                                 if( !EQUIV(aspect, dvd_aspect) ) use_scale = Rescale::scaled;
 970                         }
 971                         for( int i=0; i<trk->plugin_set.size(); ++i ) {
 972                                 for( Plugin *plugin = (Plugin*)trk->plugin_set[i]->first;
 973                                                 plugin; plugin=(Plugin*)plugin->next ) {
 974                                         if( !strcmp(plugin->title, "Deinterlace") )
 975                                                 has_deinterlace = 1;
 976                                         if( !strcmp(plugin->title, "Auto Scale") ||
 977                                             !strcmp(plugin->title, "Scale Ratio") ||
 978                                             !strcmp(plugin->title, "Scale") )
 979                                                 has_scale = 1;
 980                                 }
 981                         }
 982                         break;
 983                 }
 984         }
 985         if( has_scale )
 986                 use_scale = Rescale::none;
 987         if( use_scale != Rescale::none ) {
 988                 if( max_w != dvd_width ) use_resize_tracks = 1;
 989                 if( max_h != dvd_height ) use_resize_tracks = 1;
 990         }
 991         for( Track *trk=tracks->first; trk && !use_resize_tracks; trk=trk->next ) {
 992                 if( !trk->record ) continue;
 993                 switch( trk->data_type ) {
 994                 case TRACK_VIDEO:
 995                         if( trk->track_w != max_w ) use_resize_tracks = 1;
 996                         if( trk->track_h != max_h ) use_resize_tracks = 1;
 997                         break;
 998                 }
 999         }
1000         if( !has_deinterlace && max_h > 2*dvd_height ) use_deinterlace = 1;
1001         Labels *labels = mwindow->edl->labels;
1002         use_label_chapters = labels && labels->first ? 1 : 0;
1003
1004         if( tracks->recordable_audio_tracks() == DVD_WIDE_CHANNELS )
1005                 use_wide_audio = 1;
1006
1007         return 0;
1008 }
1009
1010
1011
1012 CreateDVD_FormatItem::CreateDVD_FormatItem(CreateDVD_Format *popup,
1013                 int standard, const char *text)
1014  : BC_MenuItem(text)
1015 {
1016         this->popup = popup;
1017         this->standard = standard;
1018 }
1019
1020 CreateDVD_FormatItem::~CreateDVD_FormatItem()
1021 {
1022 }
1023
1024 int CreateDVD_FormatItem::handle_event()
1025 {
1026         popup->set_text(get_text());
1027         popup->gui->thread->use_standard = standard;
1028         return popup->handle_event();
1029 }
1030
1031
1032 CreateDVD_Format::CreateDVD_Format(CreateDVD_GUI *gui, int x, int y)
1033  : BC_PopupMenu(x, y, 180, "", 1)
1034 {
1035         this->gui = gui;
1036 }
1037
1038 CreateDVD_Format::~CreateDVD_Format()
1039 {
1040 }
1041
1042 void CreateDVD_Format::create_objects()
1043 {
1044         for( int i=0; i<(int)(sizeof(dvd_formats)/sizeof(dvd_formats[0])); ++i ) {
1045                 int norm = dvd_formats[i].norm;
1046                 int aspect = dvd_formats[i].aspect;
1047                 char item_text[BCTEXTLEN];
1048                 sprintf(item_text,"%4s (%5.2f) %dx%d",
1049                         dvd_norms[norm].name, dvd_norms[norm].framerate,
1050                         dvd_aspects[aspect].w, dvd_aspects[aspect].h);
1051                 add_item(new CreateDVD_FormatItem(this, i, item_text));
1052         }
1053         set_value(gui->thread->use_standard);
1054 }
1055
1056 int CreateDVD_Format::handle_event()
1057 {
1058         gui->thread->option_presets();
1059         gui->update();
1060         return 1;
1061 }
1062
1063
1064 CreateDVD_ScaleItem::CreateDVD_ScaleItem(CreateDVD_Scale *popup,
1065                 int scale, const char *text)
1066  : BC_MenuItem(text)
1067 {
1068         this->popup = popup;
1069         this->scale = scale;
1070 }
1071
1072 CreateDVD_ScaleItem::~CreateDVD_ScaleItem()
1073 {
1074 }
1075
1076 int CreateDVD_ScaleItem::handle_event()
1077 {
1078         popup->gui->thread->use_scale = scale;
1079         popup->set_value(scale);
1080         return popup->handle_event();
1081 }
1082
1083
1084 CreateDVD_Scale::CreateDVD_Scale(CreateDVD_GUI *gui, int x, int y)
1085  : BC_PopupMenu(x, y, 100, "", 1)
1086 {
1087         this->gui = gui;
1088 }
1089
1090 CreateDVD_Scale::~CreateDVD_Scale()
1091 {
1092 }
1093
1094 void CreateDVD_Scale::create_objects()
1095 {
1096
1097         for( int i=0; i<(int)Rescale::n_scale_types; ++i ) {
1098                 add_item(new CreateDVD_ScaleItem(this, i, Rescale::scale_types[i]));
1099         }
1100         set_value(gui->thread->use_scale);
1101 }
1102
1103 int CreateDVD_Scale::handle_event()
1104 {
1105         gui->update();
1106         return 1;
1107 }
1108
1109
1110 CreateDVD_MediaSize::CreateDVD_MediaSize(CreateDVD_GUI *gui, int x, int y)
1111  : BC_PopupTextBox(gui, 0, 0, x, y, 70,50)
1112 {
1113         this->gui = gui;
1114 }
1115
1116 CreateDVD_MediaSize::~CreateDVD_MediaSize()
1117 {
1118 }
1119
1120 int CreateDVD_MediaSize::handle_event()
1121 {
1122         gui->disk_space->update();
1123         return 1;
1124 }
1125