lib/python/Plugins/Extensions/DVDBurn/Process.py

   1 from Components.Task import Task, Job, job_manager, DiskspacePrecondition, Condition
   2 from Screens.MessageBox import MessageBox
   3
   4 class png2yuvTask(Task):
   5         def __init__(self, job, inputfile, outputfile):
   6                 Task.__init__(self, job, "Creating menu video")
   7                 self.setTool("/usr/bin/png2yuv")
   8                 self.args += ["-n1", "-Ip", "-f25", "-j", inputfile]
   9                 self.dumpFile = outputfile
  10                 self.weighting = 10
  11
  12         def run(self, callback, task_progress_changed):
  13                 Task.run(self, callback, task_progress_changed)
  14                 self.container.dumpToFile(self.dumpFile)
  15
  16         def processStderr(self, data):
  17                 print "[png2yuvTask]", data
  18
  19         def processStdout(self, data):
  20                 pass
  21
  22 class mpeg2encTask(Task):
  23         def __init__(self, job, inputfile, outputfile):
  24                 Task.__init__(self, job, "Encoding menu video")
  25                 self.setTool("/usr/bin/mpeg2enc")
  26                 self.args += ["-f8", "-np", "-a2", "-o", outputfile]
  27                 self.inputFile = inputfile
  28                 self.weighting = 10
  29
  30         def run(self, callback, task_progress_changed):
  31                 Task.run(self, callback, task_progress_changed)
  32                 self.container.readFromFile(self.inputFile)
  33
  34         def processOutputLine(self, line):
  35                 print "[mpeg2encTask]", line
  36
  37 class spumuxTask(Task):
  38         def __init__(self, job, xmlfile, inputfile, outputfile):
  39                 Task.__init__(self, job, "Muxing buttons into menu")
  40                 self.setTool("/usr/bin/spumux")
  41                 self.args += [xmlfile]
  42                 self.inputFile = inputfile
  43                 self.dumpFile = outputfile
  44                 self.weighting = 10
  45
  46         def run(self, callback, task_progress_changed):
  47                 Task.run(self, callback, task_progress_changed)
  48                 self.container.dumpToFile(self.dumpFile)
  49                 self.container.readFromFile(self.inputFile)
  50
  51         def processStderr(self, data):
  52                 print "[spumuxTask]", data
  53
  54         def processStdout(self, data):
  55                 pass
  56
  57 class MakeFifoNode(Task):
  58         def __init__(self, job, number):
  59                 Task.__init__(self, job, "Make FIFO nodes")
  60                 self.setTool("/bin/mknod")
  61                 nodename = self.job.workspace + "/dvd_title_%d" % number + ".mpg"
  62                 self.args += [nodename, "p"]
  63                 self.weighting = 10
  64
  65 class LinkTS(Task):
  66         def __init__(self, job, sourcefile, link_name):
  67                 Task.__init__(self, job, "Creating symlink for source titles")
  68                 self.setTool("/bin/ln")
  69                 self.args += ["-s", sourcefile, link_name]
  70                 self.weighting = 10
  71
  72 class DemuxTask(Task):
  73         def __init__(self, job, inputfile):
  74                 Task.__init__(self, job, "Demux video into ES")
  75                 title = job.project.titles[job.i]
  76                 self.global_preconditions.append(DiskspacePrecondition(title.estimatedDiskspace))
  77                 self.setTool("/usr/bin/projectx")
  78                 self.generated_files = [ ]
  79                 self.end = 300
  80                 self.prog_state = 0
  81                 self.weighting = 1000
  82                 self.cutfile = self.job.workspace + "/cut_%d.Xcl" % (job.i+1)
  83                 self.cutlist = title.cutlist
  84                 self.args += [inputfile, "-demux", "-out", self.job.workspace ]
  85                 if len(self.cutlist) > 1:
  86                         self.args += [ "-cut", self.cutfile ]
  87
  88         def prepare(self):
  89                 self.writeCutfile()
  90
  91         def processOutputLine(self, line):
  92                 line = line[:-1]
  93                 MSG_NEW_FILE = "---> new File: "
  94                 MSG_PROGRESS = "[PROGRESS] "
  95
  96                 if line.startswith(MSG_NEW_FILE):
  97                         file = line[len(MSG_NEW_FILE):]
  98                         if file[0] == "'":
  99                                 file = file[1:-1]
 100                         self.haveNewFile(file)
 101                 elif line.startswith(MSG_PROGRESS):
 102                         progress = line[len(MSG_PROGRESS):]
 103                         self.haveProgress(progress)
 104
 105         def haveNewFile(self, file):
 106                 print "PRODUCED FILE [%s]" % file
 107                 self.generated_files.append(file)
 108
 109         def haveProgress(self, progress):
 110                 print "PROGRESS [%s]" % progress
 111                 MSG_CHECK = "check & synchronize audio file"
 112                 MSG_DONE = "done..."
 113                 if progress == "preparing collection(s)...":
 114                         self.prog_state = 0
 115                 elif progress[:len(MSG_CHECK)] == MSG_CHECK:
 116                         self.prog_state += 1
 117                 else:
 118                         try:
 119                                 p = int(progress)
 120                                 p = p - 1 + self.prog_state * 100
 121                                 if p > self.progress:
 122                                         self.progress = p
 123                         except ValueError:
 124                                 print "val error"
 125                                 pass
 126
 127         def writeCutfile(self):
 128                 f = open(self.cutfile, "w")
 129                 f.write("CollectionPanel.CutMode=4\n")
 130                 for p in self.cutlist:
 131                         s = p / 90000
 132                         m = s / 60
 133                         h = m / 60
 134
 135                         m %= 60
 136                         s %= 60
 137
 138                         f.write("%02d:%02d:%02d\n" % (h, m, s))
 139                 f.close()
 140
 141         def cleanup(self, failed):
 142                 if failed:
 143                         import os
 144                         for f in self.generated_files:
 145                                 os.remove(f)
 146
 147 class MplexTask(Task):
 148         def __init__(self, job, outputfile, inputfiles=None, demux_task=None):
 149                 Task.__init__(self, job, "Mux ES into PS")
 150                 self.weighting = 500
 151                 self.demux_task = demux_task
 152                 self.setTool("/usr/bin/mplex")
 153                 self.args += ["-f8", "-o", outputfile, "-v1"]
 154                 if inputfiles:
 155                         self.args += inputfiles
 156
 157         def prepare(self):
 158                 if self.demux_task:
 159                         self.args += self.demux_task.generated_files
 160
 161         def processOutputLine(self, line):
 162                 print "[MplexTask] processOutputLine=", line
 163
 164 class RemoveESFiles(Task):
 165         def __init__(self, job, demux_task):
 166                 Task.__init__(self, job, "Remove temp. files")
 167                 self.demux_task = demux_task
 168                 self.setTool("/bin/rm")
 169
 170         def prepare(self):
 171                 self.args += ["-f"]
 172                 self.args += self.demux_task.generated_files
 173                 self.args += [self.demux_task.cutfile]
 174
 175 class DVDAuthorTask(Task):
 176         def __init__(self, job, diskspaceNeeded):
 177                 Task.__init__(self, job, "Authoring DVD")
 178
 179                 self.global_preconditions.append(DiskspacePrecondition(diskspaceNeeded))
 180                 self.weighting = 300
 181                 self.setTool("/usr/bin/dvdauthor")
 182                 self.CWD = self.job.workspace
 183                 self.args += ["-x", self.job.workspace+"/dvdauthor.xml"]
 184                 self.menupreview = job.menupreview
 185
 186         def processOutputLine(self, line):
 187                 print "[DVDAuthorTask] processOutputLine=", line
 188                 if not self.menupreview and line.startswith("STAT: Processing"):
 189                         self.callback(self, [], stay_resident=True)
 190
 191 class DVDAuthorFinalTask(Task):
 192         def __init__(self, job):
 193                 Task.__init__(self, job, "dvdauthor finalize")
 194                 self.setTool("/usr/bin/dvdauthor")
 195                 self.args += ["-T", "-o", self.job.workspace + "/dvd"]
 196
 197 class WaitForResidentTasks(Task):
 198         def __init__(self, job):
 199                 Task.__init__(self, job, "waiting for dvdauthor to finalize")
 200
 201         def run(self, callback, task_progress_changed):
 202                 print "waiting for %d resident task(s) %s to finish..." % (len(self.job.resident_tasks),str(self.job.resident_tasks))
 203                 if self.job.resident_tasks == 0:
 204                         callback(self, [])
 205
 206 class BurnTaskPostcondition(Condition):
 207         def check(self, task):
 208                 return task.error is None
 209
 210         def getErrorMessage(self, task):
 211                 return {
 212                         task.ERROR_MEDIA: _("Medium is not a writeable DVD!"),
 213                         task.ERROR_SIZE: _("Content does not fit on DVD!"),
 214                         task.ERROR_WRITE_FAILED: _("Write failed!"),
 215                         task.ERROR_DVDROM: _("No (supported) DVDROM found!"),
 216                         task.ERROR_ISOFS: _("Medium is not empty!"),
 217                         task.ERROR_UNKNOWN: _("An unknown error occured!")
 218                 }[task.error]
 219
 220 class BurnTask(Task):
 221         ERROR_MEDIA, ERROR_SIZE, ERROR_WRITE_FAILED, ERROR_DVDROM, ERROR_ISOFS, ERROR_UNKNOWN = range(6)
 222         def __init__(self, job):
 223                 Task.__init__(self, job, "burn")
 224
 225                 self.weighting = 500
 226                 self.end = 120 # 100 for writing, 10 for buffer flush, 10 for closing disc
 227                 self.postconditions.append(BurnTaskPostcondition())
 228                 self.setTool("/bin/growisofs")
 229                 volName = self.getASCIIname(job.project.settings.name.getValue())
 230                 self.args += ["-dvd-video", "-dvd-compat", "-Z", "/dev/cdroms/cdrom0", "-V", volName, "-P", "Dreambox", "-use-the-force-luke=dummy", self.job.workspace + "/dvd"]
 231
 232         def getASCIIname(self, name):
 233                 ASCIIname = ""
 234                 for char in name.decode("utf-8").encode("ascii","replace"):
 235                         if ord(char) <= 0x20 or ( ord(char) >= 0x3a and ord(char) <= 0x40 ):
 236                                 ASCIIname += '_'
 237                         else:
 238                                 ASCIIname += char
 239                 return ASCIIname
 240
 241         def prepare(self):
 242                 self.error = None
 243
 244         def processOutputLine(self, line):
 245                 line = line[:-1]
 246                 print "[GROWISOFS] %s" % line
 247                 if line[8:14] == "done, ":
 248                         self.progress = float(line[:6])
 249                         print "progress:", self.progress
 250                 elif line.find("flushing cache") != -1:
 251                         self.progress = 100
 252                 elif line.find("closing disc") != -1:
 253                         self.progress = 110
 254                 elif line.startswith(":-["):
 255                         if line.find("ASC=30h") != -1:
 256                                 self.error = self.ERROR_MEDIA
 257                         else:
 258                                 self.error = self.ERROR_UNKNOWN
 259                                 print "BurnTask: unknown error %s" % line
 260                 elif line.startswith(":-("):
 261                         if line.find("No space left on device") != -1:
 262                                 self.error = self.ERROR_SIZE
 263                         elif line.find("write failed") != -1:
 264                                 self.error = self.ERROR_WRITE_FAILED
 265                         elif line.find("unable to open64(\"/dev/cdroms/cdrom0\",O_RDONLY): No such file or directory") != -1: # fixme
 266                                 self.error = self.ERROR_DVDROM
 267                         elif line.find("media is not recognized as recordable DVD") != -1:
 268                                 self.error = self.ERROR_MEDIA
 269                         else:
 270                                 self.error = self.ERROR_UNKNOWN
 271                                 print "BurnTask: unknown error %s" % line
 272                 elif line.startswith("FATAL:"):
 273                         if line.find("already carries isofs!"):
 274                                 self.error = self.ERROR_ISOFS
 275                         else:
 276                                 self.error = self.ERROR_UNKNOWN
 277                                 print "BurnTask: unknown error %s" % line
 278
 279 class RemoveDVDFolder(Task):
 280         def __init__(self, job):
 281                 Task.__init__(self, job, "Remove temp. files")
 282                 self.setTool("/bin/rm")
 283                 self.args += ["-rf", self.job.workspace]
 284
 285 class PreviewTask(Task):
 286         def __init__(self, job):
 287                 Task.__init__(self, job, "Preview")
 288                 self.postconditions.append(PreviewTaskPostcondition())
 289                 self.job = job
 290
 291         def run(self, callback, task_progress_changed):
 292                 self.callback = callback
 293                 self.task_progress_changed = task_progress_changed
 294                 if self.job.project.waitboxref:
 295                         self.job.project.waitboxref.close()
 296                 if self.job.menupreview:
 297                         self.waitAndOpenPlayer()
 298                 else:
 299                         self.job.project.session.openWithCallback(self.previewCB, MessageBox, _("Do you want to preview this DVD before burning?"), timeout = 60, default = False)
 300
 301         def previewCB(self, answer):
 302                 if answer == True:
 303                         self.waitAndOpenPlayer()
 304                 else:
 305                         self.closedCB(True)
 306
 307         def playerClosed(self):
 308                 if self.job.menupreview:
 309                         self.closedCB(True)
 310                 else:
 311                         self.job.project.session.openWithCallback(self.closedCB, MessageBox, _("Do you want to burn this collection to DVD medium?") )
 312
 313         def closedCB(self, answer):
 314                 if answer == True:
 315                         Task.processFinished(self, 0)
 316                 else:
 317                         Task.processFinished(self, 1)
 318
 319         def waitAndOpenPlayer(self):
 320                 from enigma import eTimer
 321                 self.delayTimer = eTimer()
 322                 self.delayTimer.callback.append(self.previewProject)
 323                 self.delayTimer.start(10,1)
 324
 325         def previewProject(self):
 326                 from Plugins.Extensions.DVDPlayer.plugin import DVDPlayer
 327                 self.job.project.session.openWithCallback(self.playerClosed, DVDPlayer, dvd_filelist= [ self.job.project.workspace + "/dvd/VIDEO_TS/" ])
 328
 329 class PreviewTaskPostcondition(Condition):
 330         def check(self, task):
 331                 return task.returncode == 0
 332
 333         def getErrorMessage(self, task):
 334                 return "Cancel"
 335
 336 def getTitlesPerMenu(nr_titles):
 337         if nr_titles < 6:
 338                 titles_per_menu = 5
 339         else:
 340                 titles_per_menu = 4
 341         return titles_per_menu
 342
 343 def formatTitle(template, title, track):
 344         template = template.replace("$i", str(track))
 345         template = template.replace("$t", title.name)
 346         template = template.replace("$d", title.descr)
 347         template = template.replace("$c", str(len(title.chaptermarks)+1))
 348         template = template.replace("$f", title.inputfile)
 349         template = template.replace("$C", title.channel)
 350         l = title.length
 351         lengthstring = "%d:%02d:%02d" % (l/3600, l%3600/60, l%60)
 352         template = template.replace("$l", lengthstring)
 353         if title.timeCreate:
 354                 template = template.replace("$Y", str(title.timeCreate[0]))
 355                 template = template.replace("$M", str(title.timeCreate[1]))
 356                 template = template.replace("$D", str(title.timeCreate[2]))
 357                 timestring = "%d:%02d" % (title.timeCreate[3], title.timeCreate[4])
 358                 template = template.replace("$T", timestring)
 359         else:
 360                 template = template.replace("$Y", "").replace("$M", "").replace("$D", "").replace("$T", "")
 361         return template.decode("utf-8")
 362
 363 def CreateMenus(job):
 364         import os, Image, ImageDraw, ImageFont
 365         imgwidth = 720
 366         imgheight = 576
 367         s = job.project.settings
 368         im_bg_orig = Image.open(s.menubg.getValue())
 369         if im_bg_orig.size != (imgwidth, imgheight):
 370                 im_bg_orig = im_bg_orig.resize((720, 576))
 371
 372         fontsizes = s.font_size.getValue()
 373         fontface = s.font_face.getValue()
 374
 375         font0 = ImageFont.truetype(fontface, fontsizes[0])
 376         font1 = ImageFont.truetype(fontface, fontsizes[1])
 377         font2 = ImageFont.truetype(fontface, fontsizes[2])
 378
 379         color_headline = tuple(s.color_headline.getValue())
 380         color_button = tuple(s.color_button.getValue())
 381         color_highlight = tuple(s.color_highlight.getValue())
 382         spu_palette = [ 0x60, 0x60, 0x60 ] + s.color_highlight.getValue()
 383
 384         nr_titles = len(job.project.titles)
 385         titles_per_menu = getTitlesPerMenu(nr_titles)
 386         job.nr_menus = ((nr_titles+titles_per_menu-1)/titles_per_menu)
 387
 388         #a new menu_count every 5 titles (1,2,3,4,5->1 ; 6,7,8,9,10->2 etc.)
 389         for menu_count in range(1 , job.nr_menus+1):
 390                 im_bg = im_bg_orig.copy()
 391                 im_high = Image.new("P", (imgwidth, imgheight), 0)
 392                 im_high.putpalette(spu_palette)
 393                 draw_bg = ImageDraw.Draw(im_bg)
 394                 draw_high = ImageDraw.Draw(im_high)
 395
 396                 if menu_count == 1:
 397                         headline = s.name.getValue().decode("utf-8")
 398                         textsize = draw_bg.textsize(headline, font=font0)
 399                         if textsize[0] > imgwidth:
 400                                 offset = (0 , 20)
 401                         else:
 402                                 offset = (((imgwidth-textsize[0]) / 2) , 20)
 403                         draw_bg.text(offset, headline, fill=color_headline, font=font0)
 404
 405                 menubgpngfilename = job.workspace+"/dvd_menubg"+str(menu_count)+".png"
 406                 highlightpngfilename = job.workspace+"/dvd_highlight"+str(menu_count)+".png"
 407                 spuxml = """<?xml version="1.0" encoding="utf-8"?>
 408         <subpictures>
 409         <stream>
 410         <spu
 411         highlight="%s"
 412         transparent="%02x%02x%02x"
 413         start="00:00:00.00"
 414         force="yes" >""" % (highlightpngfilename, spu_palette[0], spu_palette[1], spu_palette[2])
 415                 s_top, s_rows, s_left = s.space.getValue()
 416                 rowheight = (fontsizes[1]+fontsizes[2]+s_rows)
 417                 menu_start_title = (menu_count-1)*titles_per_menu + 1
 418                 menu_end_title = (menu_count)*titles_per_menu + 1
 419                 if menu_end_title > nr_titles:
 420                         menu_end_title = nr_titles+1
 421                 menu_i = 0
 422                 for title_no in range( menu_start_title , menu_end_title ):
 423                         i = title_no-1
 424                         top = s_top + ( menu_i * rowheight )
 425                         menu_i += 1
 426                         title = job.project.titles[i]
 427                         titleText = formatTitle(s.titleformat.getValue(), title, title_no)
 428                         draw_bg.text((s_left,top), titleText, fill=color_button, font=font1)
 429                         draw_high.text((s_left,top), titleText, fill=1, font=font1)
 430                         subtitleText = formatTitle(s.subtitleformat.getValue(), title, title_no)
 431                         draw_bg.text((s_left,top+36), subtitleText, fill=color_button, font=font2)
 432                         bottom = top+rowheight
 433                         if bottom > imgheight:
 434                                 bottom = imgheight
 435                         spuxml += """
 436         <button name="button%s" x0="%d" x1="%d" y0="%d" y1="%d"/>""" % (str(title_no).zfill(2),s_left,imgwidth,top,bottom )
 437                 if menu_count > 1:
 438                         prev_page_text = "<<<"
 439                         textsize = draw_bg.textsize(prev_page_text, font=font1)
 440                         offset = ( 2*s_left, s_top + ( titles_per_menu * rowheight ) )
 441                         draw_bg.text(offset, prev_page_text, fill=color_button, font=font1)
 442                         draw_high.text(offset, prev_page_text, fill=1, font=font1)
 443                         spuxml += """
 444         <button name="button_prev" x0="%d" x1="%d" y0="%d" y1="%d"/>""" % (offset[0],offset[0]+textsize[0],offset[1],offset[1]+textsize[1])
 445
 446                 if menu_count < job.nr_menus:
 447                         next_page_text = ">>>"
 448                         textsize = draw_bg.textsize(next_page_text, font=font1)
 449                         offset = ( imgwidth-textsize[0]-2*s_left, s_top + ( titles_per_menu * rowheight ) )
 450                         draw_bg.text(offset, next_page_text, fill=color_button, font=font1)
 451                         draw_high.text(offset, next_page_text, fill=1, font=font1)
 452                         spuxml += """
 453         <button name="button_next" x0="%d" x1="%d" y0="%d" y1="%d"/>""" % (offset[0],offset[0]+textsize[0],offset[1],offset[1]+textsize[1])
 454
 455                 del draw_bg
 456                 del draw_high
 457                 fd=open(menubgpngfilename,"w")
 458                 im_bg.save(fd,"PNG")
 459                 fd.close()
 460                 fd=open(highlightpngfilename,"w")
 461                 im_high.save(fd,"PNG")
 462                 fd.close()
 463
 464                 png2yuvTask(job, menubgpngfilename, job.workspace+"/dvdmenubg"+str(menu_count)+".yuv")
 465                 menubgm2vfilename = job.workspace+"/dvdmenubg"+str(menu_count)+".mv2"
 466                 mpeg2encTask(job, job.workspace+"/dvdmenubg"+str(menu_count)+".yuv", menubgm2vfilename)
 467                 menubgmpgfilename = job.workspace+"/dvdmenubg"+str(menu_count)+".mpg"
 468                 menuaudiofilename = s.menuaudio.getValue()
 469                 MplexTask(job, outputfile=menubgmpgfilename, inputfiles = [menubgm2vfilename, menuaudiofilename])
 470
 471                 spuxml += """
 472         </spu>
 473         </stream>
 474         </subpictures>"""
 475                 spuxmlfilename = job.workspace+"/spumux"+str(menu_count)+".xml"
 476                 f = open(spuxmlfilename, "w")
 477                 f.write(spuxml)
 478                 f.close()
 479
 480                 menuoutputfilename = job.workspace+"/dvdmenu"+str(menu_count)+".mpg"
 481                 spumuxTask(job, spuxmlfilename, menubgmpgfilename, menuoutputfilename)
 482
 483 def CreateAuthoringXML(job):
 484         nr_titles = len(job.project.titles)
 485         titles_per_menu = getTitlesPerMenu(nr_titles)
 486         mode = job.project.settings.authormode.getValue()
 487         authorxml = []
 488         authorxml.append('<?xml version="1.0" encoding="utf-8"?>\n')
 489         authorxml.append(' <dvdauthor dest="' + (job.workspace+"/dvd") + '">\n')
 490         authorxml.append('  <vmgm>\n')
 491         authorxml.append('   <menus>\n')
 492         authorxml.append('    <pgc>\n')
 493         authorxml.append('     <vob file="' + job.project.settings.vmgm.getValue() + '" />\n', )
 494         if mode.startswith("menu"):
 495                 authorxml.append('     <post> jump titleset 1 menu; </post>\n')
 496         else:
 497                 authorxml.append('     <post> jump title 1; </post>\n')
 498         authorxml.append('    </pgc>\n')
 499         authorxml.append('   </menus>\n')
 500         authorxml.append('  </vmgm>\n')
 501         authorxml.append('  <titleset>\n')
 502         if mode.startswith("menu"):
 503                 authorxml.append('   <menus>\n')
 504                 authorxml.append('    <video aspect="4:3"/>\n')
 505                 for menu_count in range(1 , job.nr_menus+1):
 506                         if menu_count == 1:
 507                                 authorxml.append('    <pgc entry="root">\n')
 508                         else:
 509                                 authorxml.append('    <pgc>\n')
 510                         menu_start_title = (menu_count-1)*titles_per_menu + 1
 511                         menu_end_title = (menu_count)*titles_per_menu + 1
 512                         if menu_end_title > nr_titles:
 513                                 menu_end_title = nr_titles+1
 514                         for i in range( menu_start_title , menu_end_title ):
 515                                 authorxml.append('     <button name="button' + (str(i).zfill(2)) + '"> jump title ' + str(i) +'; </button>\n')
 516                         if menu_count > 1:
 517                                 authorxml.append('     <button name="button_prev"> jump menu ' + str(menu_count-1) + '; </button>\n')
 518                         if menu_count < job.nr_menus:
 519                                 authorxml.append('     <button name="button_next"> jump menu ' + str(menu_count+1) + '; </button>\n')
 520                         menuoutputfilename = job.workspace+"/dvdmenu"+str(menu_count)+".mpg"
 521                         authorxml.append('     <vob file="' + menuoutputfilename + '" pause="inf"/>\n')
 522                         authorxml.append('    </pgc>\n')
 523                 authorxml.append('   </menus>\n')
 524         authorxml.append('   <titles>\n')
 525         for i in range( nr_titles ):
 526                 for audiotrack in job.project.titles[i].audiotracks:
 527                         authorxml.append('    <audio format="'+audiotrack[0]+'" lang="'+audiotrack[1]+'" />\n')
 528                 chapters = ','.join(["%d:%02d:%02d.%03d" % (p / (90000 * 3600), p % (90000 * 3600) / (90000 * 60), p % (90000 * 60) / 90000, (p % 90000) / 90) for p in job.project.titles[i].chaptermarks])
 529                 title_no = i+1
 530                 title_filename = job.workspace + "/dvd_title_%d.mpg" % (title_no)
 531                 if job.menupreview:
 532                         LinkTS(job, job.project.settings.vmgm.getValue(), title_filename)
 533                 else:
 534                         MakeFifoNode(job, title_no)
 535                 if mode.endswith("linked") and title_no < nr_titles:
 536                         post_tag = "jump title %d;" % ( title_no+1 )
 537                 elif mode.startswith("menu"):
 538                         post_tag = "call vmgm menu 1;"
 539                 else:   post_tag = ""
 540
 541                 authorxml.append('    <pgc>\n')
 542                 authorxml.append('     <vob file="' + title_filename + '" chapters="' + chapters + '" />\n')
 543                 authorxml.append('     <post> ' + post_tag + ' </post>\n')
 544                 authorxml.append('    </pgc>\n')
 545
 546         authorxml.append('   </titles>\n')
 547         authorxml.append('  </titleset>\n')
 548         authorxml.append(' </dvdauthor>\n')
 549         f = open(job.workspace+"/dvdauthor.xml", "w")
 550         for x in authorxml:
 551                 f.write(x)
 552         f.close()
 553
 554 class DVDJob(Job):
 555         def __init__(self, project, menupreview=False):
 556                 Job.__init__(self, "DVD Burn")
 557                 self.project = project
 558                 from time import strftime
 559                 from Tools.Directories import SCOPE_HDD, resolveFilename, createDir
 560                 new_workspace = resolveFilename(SCOPE_HDD) + "tmp/" + strftime("%Y%m%d%H%M%S")
 561                 createDir(new_workspace, True)
 562                 self.workspace = new_workspace
 563                 self.project.workspace = self.workspace
 564                 self.menupreview = menupreview
 565                 self.conduct()
 566
 567         def conduct(self):
 568                 if self.project.settings.authormode.getValue().startswith("menu") or self.menupreview:
 569                         CreateMenus(self)
 570                 CreateAuthoringXML(self)
 571
 572                 totalsize = 50*1024*1024 # require an extra safety 50 MB
 573                 maxsize = 0
 574                 for title in self.project.titles:
 575                         titlesize = title.estimatedDiskspace
 576                         if titlesize > maxsize: maxsize = titlesize
 577                         totalsize += titlesize
 578                 diskSpaceNeeded = totalsize + maxsize
 579
 580                 DVDAuthorTask(self, diskSpaceNeeded)
 581
 582                 nr_titles = len(self.project.titles)
 583
 584                 if self.menupreview:
 585                         PreviewTask(self)
 586                 else:
 587                         for self.i in range(nr_titles):
 588                                 title = self.project.titles[self.i]
 589                                 link_name =  self.workspace + "/source_title_%d.ts" % (self.i+1)
 590                                 title_filename = self.workspace + "/dvd_title_%d.mpg" % (self.i+1)
 591                                 LinkTS(self, title.inputfile, link_name)
 592                                 demux = DemuxTask(self, link_name)
 593                                 MplexTask(self, outputfile=title_filename, demux_task=demux)
 594                                 RemoveESFiles(self, demux)
 595                         WaitForResidentTasks(self)
 596                         PreviewTask(self)
 597                         BurnTask(self)
 598                 RemoveDVDFolder(self)
 599
 600 def Burn(session, project):
 601         j = DVDJob(project)
 602         job_manager.AddJob(j)
 603         return j
 604
 605 def PreviewMenu(session, project):
 606         j = DVDJob(project, menupreview=True)
 607         job_manager.AddJob(j)
 608         return j