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[:-1]
  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[:-1]
  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 MplexTaskPostcondition(Condition):
 148         def check(self, task):
 149                 return task.error is None
 150
 151         def getErrorMessage(self, task):
 152                 print "[MplexTaskPostcondition] getErrorMessage", task
 153                 return {
 154                         task.ERROR_UNDERRUN: ("Can't multiplex source video!"),
 155                         task.ERROR_UNKNOWN: ("An unknown error occured!")
 156                 }[task.error]
 157
 158 class MplexTask(Task):
 159         ERROR_UNDERRUN, ERROR_UNKNOWN = range(2)
 160         def __init__(self, job, outputfile, inputfiles=None, demux_task=None):
 161                 Task.__init__(self, job, "Mux ES into PS")
 162                 self.weighting = 500
 163                 self.demux_task = demux_task
 164                 self.postconditions.append(MplexTaskPostcondition())
 165                 self.setTool("/usr/bin/mplex")
 166                 self.args += ["-f8", "-o", outputfile, "-v1"]
 167                 if inputfiles:
 168                         self.args += inputfiles
 169
 170         def prepare(self):
 171                 self.error = None
 172                 if self.demux_task:
 173                         self.args += self.demux_task.generated_files
 174
 175         def processOutputLine(self, line):
 176                 print "[MplexTask] processOutputLine=", line[:-1]
 177                 if line.startswith("**ERROR:"):
 178                         if line.find("Frame data under-runs detected") != -1:
 179                                 self.error = self.ERROR_UNDERRUN
 180                                 print "BUFFER UNDERRUN ERROR !!!"
 181                         else:
 182                                 self.error = self.ERROR_UNKNOWN
 183
 184 class RemoveESFiles(Task):
 185         def __init__(self, job, demux_task):
 186                 Task.__init__(self, job, "Remove temp. files")
 187                 self.demux_task = demux_task
 188                 self.setTool("/bin/rm")
 189
 190         def prepare(self):
 191                 self.args += ["-f"]
 192                 self.args += self.demux_task.generated_files
 193                 self.args += [self.demux_task.cutfile]
 194
 195 class DVDAuthorTask(Task):
 196         def __init__(self, job, diskspaceNeeded):
 197                 Task.__init__(self, job, "Authoring DVD")
 198
 199                 self.global_preconditions.append(DiskspacePrecondition(diskspaceNeeded))
 200                 self.weighting = 300
 201                 self.setTool("/usr/bin/dvdauthor")
 202                 self.CWD = self.job.workspace
 203                 self.args += ["-x", self.job.workspace+"/dvdauthor.xml"]
 204                 self.menupreview = job.menupreview
 205
 206         def processOutputLine(self, line):
 207                 print "[DVDAuthorTask] processOutputLine=", line[:-1]
 208                 if not self.menupreview and line.startswith("STAT: Processing"):
 209                         self.callback(self, [], stay_resident=True)
 210
 211 class DVDAuthorFinalTask(Task):
 212         def __init__(self, job):
 213                 Task.__init__(self, job, "dvdauthor finalize")
 214                 self.setTool("/usr/bin/dvdauthor")
 215                 self.args += ["-T", "-o", self.job.workspace + "/dvd"]
 216
 217 class WaitForResidentTasks(Task):
 218         def __init__(self, job):
 219                 Task.__init__(self, job, "waiting for dvdauthor to finalize")
 220
 221         def run(self, callback, task_progress_changed):
 222                 print "waiting for %d resident task(s) %s to finish..." % (len(self.job.resident_tasks),str(self.job.resident_tasks))
 223                 if self.job.resident_tasks == 0:
 224                         callback(self, [])
 225
 226 class BurnTaskPostcondition(Condition):
 227         RECOVERABLE = True
 228         def check(self, task):
 229                 return task.error is None
 230
 231         def getErrorMessage(self, task):
 232                 return {
 233                         task.ERROR_MEDIA: _("Medium is not a writeable DVD!"),
 234                         task.ERROR_SIZE: _("Content does not fit on DVD!"),
 235                         task.ERROR_WRITE_FAILED: _("Write failed!"),
 236                         task.ERROR_DVDROM: _("No (supported) DVDROM found!"),
 237                         task.ERROR_ISOFS: _("Medium is not empty!"),
 238                         task.ERROR_UNKNOWN: _("An unknown error occured!")
 239                 }[task.error]
 240
 241 class BurnTask(Task):
 242         ERROR_MEDIA, ERROR_SIZE, ERROR_WRITE_FAILED, ERROR_DVDROM, ERROR_ISOFS, ERROR_UNKNOWN = range(6)
 243         def __init__(self, job):
 244                 Task.__init__(self, job, "burn")
 245
 246                 self.weighting = 500
 247                 self.end = 120 # 100 for writing, 10 for buffer flush, 10 for closing disc
 248                 self.postconditions.append(BurnTaskPostcondition())
 249                 self.setTool("/bin/growisofs")
 250                 volName = self.getASCIIname(job.project.settings.name.getValue())
 251                 self.args += ["-dvd-video", "-dvd-compat", "-Z", "/dev/cdroms/cdrom0", "-V", volName, "-P", "Dreambox", "-use-the-force-luke=dummy", self.job.workspace + "/dvd"]
 252
 253         def getASCIIname(self, name):
 254                 ASCIIname = ""
 255                 for char in name.decode("utf-8").encode("ascii","replace"):
 256                         if ord(char) <= 0x20 or ( ord(char) >= 0x3a and ord(char) <= 0x40 ):
 257                                 ASCIIname += '_'
 258                         else:
 259                                 ASCIIname += char
 260                 return ASCIIname
 261
 262         def prepare(self):
 263                 self.error = None
 264
 265         def processOutputLine(self, line):
 266                 line = line[:-1]
 267                 print "[GROWISOFS] %s" % line
 268                 if line[8:14] == "done, ":
 269                         self.progress = float(line[:6])
 270                         print "progress:", self.progress
 271                 elif line.find("flushing cache") != -1:
 272                         self.progress = 100
 273                 elif line.find("closing disc") != -1:
 274                         self.progress = 110
 275                 elif line.startswith(":-["):
 276                         if line.find("ASC=30h") != -1:
 277                                 self.error = self.ERROR_MEDIA
 278                         else:
 279                                 self.error = self.ERROR_UNKNOWN
 280                                 print "BurnTask: unknown error %s" % line
 281                 elif line.startswith(":-("):
 282                         if line.find("No space left on device") != -1:
 283                                 self.error = self.ERROR_SIZE
 284                         elif line.find("write failed") != -1:
 285                                 self.error = self.ERROR_WRITE_FAILED
 286                         elif line.find("unable to open64(\"/dev/cdroms/cdrom0\",O_RDONLY): No such file or directory") != -1: # fixme
 287                                 self.error = self.ERROR_DVDROM
 288                         elif line.find("media is not recognized as recordable DVD") != -1:
 289                                 self.error = self.ERROR_MEDIA
 290                         else:
 291                                 self.error = self.ERROR_UNKNOWN
 292                                 print "BurnTask: unknown error %s" % line
 293                 elif line.startswith("FATAL:"):
 294                         if line.find("already carries isofs!"):
 295                                 self.error = self.ERROR_ISOFS
 296                         else:
 297                                 self.error = self.ERROR_UNKNOWN
 298                                 print "BurnTask: unknown error %s" % line
 299
 300 class RemoveDVDFolder(Task):
 301         def __init__(self, job):
 302                 Task.__init__(self, job, "Remove temp. files")
 303                 self.setTool("/bin/rm")
 304                 self.args += ["-rf", self.job.workspace]
 305
 306 class PreviewTask(Task):
 307         def __init__(self, job):
 308                 Task.__init__(self, job, "Preview")
 309                 self.postconditions.append(PreviewTaskPostcondition())
 310                 self.job = job
 311
 312         def run(self, callback, task_progress_changed):
 313                 self.callback = callback
 314                 self.task_progress_changed = task_progress_changed
 315                 if self.job.project.waitboxref:
 316                         self.job.project.waitboxref.close()
 317                 if self.job.menupreview:
 318                         self.waitAndOpenPlayer()
 319                 else:
 320                         self.job.project.session.openWithCallback(self.previewCB, MessageBox, _("Do you want to preview this DVD before burning?"), timeout = 60, default = False)
 321
 322         def previewCB(self, answer):
 323                 if answer == True:
 324                         self.waitAndOpenPlayer()
 325                 else:
 326                         self.closedCB(True)
 327
 328         def playerClosed(self):
 329                 if self.job.menupreview:
 330                         self.closedCB(True)
 331                 else:
 332                         self.job.project.session.openWithCallback(self.closedCB, MessageBox, _("Do you want to burn this collection to DVD medium?") )
 333
 334         def closedCB(self, answer):
 335                 if answer == True:
 336                         Task.processFinished(self, 0)
 337                 else:
 338                         Task.processFinished(self, 1)
 339
 340         def waitAndOpenPlayer(self):
 341                 from enigma import eTimer
 342                 self.delayTimer = eTimer()
 343                 self.delayTimer.callback.append(self.previewProject)
 344                 self.delayTimer.start(10,1)
 345
 346         def previewProject(self):
 347                 from Plugins.Extensions.DVDPlayer.plugin import DVDPlayer
 348                 self.job.project.session.openWithCallback(self.playerClosed, DVDPlayer, dvd_filelist= [ self.job.project.workspace + "/dvd/VIDEO_TS/" ])
 349
 350 class PreviewTaskPostcondition(Condition):
 351         def check(self, task):
 352                 return task.returncode == 0
 353
 354         def getErrorMessage(self, task):
 355                 return "Cancel"
 356
 357 def getTitlesPerMenu(nr_titles):
 358         if nr_titles < 6:
 359                 titles_per_menu = 5
 360         else:
 361                 titles_per_menu = 4
 362         return titles_per_menu
 363
 364 def formatTitle(template, title, track):
 365         template = template.replace("$i", str(track))
 366         template = template.replace("$t", title.name)
 367         template = template.replace("$d", title.descr)
 368         template = template.replace("$c", str(len(title.chaptermarks)+1))
 369         template = template.replace("$A", str(title.audiotracks))
 370         template = template.replace("$f", title.inputfile)
 371         template = template.replace("$C", title.channel)
 372         l = title.length
 373         lengthstring = "%d:%02d:%02d" % (l/3600, l%3600/60, l%60)
 374         template = template.replace("$l", lengthstring)
 375         if title.timeCreate:
 376                 template = template.replace("$Y", str(title.timeCreate[0]))
 377                 template = template.replace("$M", str(title.timeCreate[1]))
 378                 template = template.replace("$D", str(title.timeCreate[2]))
 379                 timestring = "%d:%02d" % (title.timeCreate[3], title.timeCreate[4])
 380                 template = template.replace("$T", timestring)
 381         else:
 382                 template = template.replace("$Y", "").replace("$M", "").replace("$D", "").replace("$T", "")
 383         return template.decode("utf-8")
 384
 385 def CreateMenus(job):
 386         import os, Image, ImageDraw, ImageFont
 387         imgwidth = 720
 388         imgheight = 576
 389         s = job.project.settings
 390         im_bg_orig = Image.open(s.menubg.getValue())
 391         if im_bg_orig.size != (imgwidth, imgheight):
 392                 im_bg_orig = im_bg_orig.resize((720, 576))
 393
 394         fontsizes = s.font_size.getValue()
 395         fontface = s.font_face.getValue()
 396
 397         font0 = ImageFont.truetype(fontface, fontsizes[0])
 398         font1 = ImageFont.truetype(fontface, fontsizes[1])
 399         font2 = ImageFont.truetype(fontface, fontsizes[2])
 400
 401         color_headline = tuple(s.color_headline.getValue())
 402         color_button = tuple(s.color_button.getValue())
 403         color_highlight = tuple(s.color_highlight.getValue())
 404         spu_palette = [ 0x60, 0x60, 0x60 ] + s.color_highlight.getValue()
 405
 406         nr_titles = len(job.project.titles)
 407         titles_per_menu = getTitlesPerMenu(nr_titles)
 408         job.nr_menus = ((nr_titles+titles_per_menu-1)/titles_per_menu)
 409
 410         #a new menu_count every 5 titles (1,2,3,4,5->1 ; 6,7,8,9,10->2 etc.)
 411         for menu_count in range(1 , job.nr_menus+1):
 412                 im_bg = im_bg_orig.copy()
 413                 im_high = Image.new("P", (imgwidth, imgheight), 0)
 414                 im_high.putpalette(spu_palette)
 415                 draw_bg = ImageDraw.Draw(im_bg)
 416                 draw_high = ImageDraw.Draw(im_high)
 417
 418                 if menu_count == 1:
 419                         headline = s.name.getValue().decode("utf-8")
 420                         textsize = draw_bg.textsize(headline, font=font0)
 421                         if textsize[0] > imgwidth:
 422                                 offset = (0 , 20)
 423                         else:
 424                                 offset = (((imgwidth-textsize[0]) / 2) , 20)
 425                         draw_bg.text(offset, headline, fill=color_headline, font=font0)
 426
 427                 menubgpngfilename = job.workspace+"/dvd_menubg"+str(menu_count)+".png"
 428                 highlightpngfilename = job.workspace+"/dvd_highlight"+str(menu_count)+".png"
 429                 spuxml = """<?xml version="1.0" encoding="utf-8"?>
 430         <subpictures>
 431         <stream>
 432         <spu
 433         highlight="%s"
 434         transparent="%02x%02x%02x"
 435         start="00:00:00.00"
 436         force="yes" >""" % (highlightpngfilename, spu_palette[0], spu_palette[1], spu_palette[2])
 437                 s_top, s_rows, s_left = s.space.getValue()
 438                 rowheight = (fontsizes[1]+fontsizes[2]+s_rows)
 439                 menu_start_title = (menu_count-1)*titles_per_menu + 1
 440                 menu_end_title = (menu_count)*titles_per_menu + 1
 441                 if menu_end_title > nr_titles:
 442                         menu_end_title = nr_titles+1
 443                 menu_i = 0
 444                 for title_no in range( menu_start_title , menu_end_title ):
 445                         i = title_no-1
 446                         top = s_top + ( menu_i * rowheight )
 447                         menu_i += 1
 448                         title = job.project.titles[i]
 449                         titleText = formatTitle(s.titleformat.getValue(), title, title_no)
 450                         draw_bg.text((s_left,top), titleText, fill=color_button, font=font1)
 451                         draw_high.text((s_left,top), titleText, fill=1, font=font1)
 452                         subtitleText = formatTitle(s.subtitleformat.getValue(), title, title_no)
 453                         draw_bg.text((s_left,top+36), subtitleText, fill=color_button, font=font2)
 454                         bottom = top+rowheight
 455                         if bottom > imgheight:
 456                                 bottom = imgheight
 457                         spuxml += """
 458         <button name="button%s" x0="%d" x1="%d" y0="%d" y1="%d"/>""" % (str(title_no).zfill(2),s_left,imgwidth,top,bottom )
 459                 if menu_count > 1:
 460                         prev_page_text = "<<<"
 461                         textsize = draw_bg.textsize(prev_page_text, font=font1)
 462                         offset = ( 2*s_left, s_top + ( titles_per_menu * rowheight ) )
 463                         draw_bg.text(offset, prev_page_text, fill=color_button, font=font1)
 464                         draw_high.text(offset, prev_page_text, fill=1, font=font1)
 465                         spuxml += """
 466         <button name="button_prev" x0="%d" x1="%d" y0="%d" y1="%d"/>""" % (offset[0],offset[0]+textsize[0],offset[1],offset[1]+textsize[1])
 467
 468                 if menu_count < job.nr_menus:
 469                         next_page_text = ">>>"
 470                         textsize = draw_bg.textsize(next_page_text, font=font1)
 471                         offset = ( imgwidth-textsize[0]-2*s_left, s_top + ( titles_per_menu * rowheight ) )
 472                         draw_bg.text(offset, next_page_text, fill=color_button, font=font1)
 473                         draw_high.text(offset, next_page_text, fill=1, font=font1)
 474                         spuxml += """
 475         <button name="button_next" x0="%d" x1="%d" y0="%d" y1="%d"/>""" % (offset[0],offset[0]+textsize[0],offset[1],offset[1]+textsize[1])
 476
 477                 del draw_bg
 478                 del draw_high
 479                 fd=open(menubgpngfilename,"w")
 480                 im_bg.save(fd,"PNG")
 481                 fd.close()
 482                 fd=open(highlightpngfilename,"w")
 483                 im_high.save(fd,"PNG")
 484                 fd.close()
 485
 486                 png2yuvTask(job, menubgpngfilename, job.workspace+"/dvdmenubg"+str(menu_count)+".yuv")
 487                 menubgm2vfilename = job.workspace+"/dvdmenubg"+str(menu_count)+".mv2"
 488                 mpeg2encTask(job, job.workspace+"/dvdmenubg"+str(menu_count)+".yuv", menubgm2vfilename)
 489                 menubgmpgfilename = job.workspace+"/dvdmenubg"+str(menu_count)+".mpg"
 490                 menuaudiofilename = s.menuaudio.getValue()
 491                 MplexTask(job, outputfile=menubgmpgfilename, inputfiles = [menubgm2vfilename, menuaudiofilename])
 492
 493                 spuxml += """
 494         </spu>
 495         </stream>
 496         </subpictures>"""
 497                 spuxmlfilename = job.workspace+"/spumux"+str(menu_count)+".xml"
 498                 f = open(spuxmlfilename, "w")
 499                 f.write(spuxml)
 500                 f.close()
 501
 502                 menuoutputfilename = job.workspace+"/dvdmenu"+str(menu_count)+".mpg"
 503                 spumuxTask(job, spuxmlfilename, menubgmpgfilename, menuoutputfilename)
 504
 505 def CreateAuthoringXML(job):
 506         nr_titles = len(job.project.titles)
 507         titles_per_menu = getTitlesPerMenu(nr_titles)
 508         mode = job.project.settings.authormode.getValue()
 509         authorxml = []
 510         authorxml.append('<?xml version="1.0" encoding="utf-8"?>\n')
 511         authorxml.append(' <dvdauthor dest="' + (job.workspace+"/dvd") + '">\n')
 512         authorxml.append('  <vmgm>\n')
 513         authorxml.append('   <menus>\n')
 514         authorxml.append('    <pgc>\n')
 515         authorxml.append('     <vob file="' + job.project.settings.vmgm.getValue() + '" />\n', )
 516         if mode.startswith("menu"):
 517                 authorxml.append('     <post> jump titleset 1 menu; </post>\n')
 518         else:
 519                 authorxml.append('     <post> jump title 1; </post>\n')
 520         authorxml.append('    </pgc>\n')
 521         authorxml.append('   </menus>\n')
 522         authorxml.append('  </vmgm>\n')
 523         authorxml.append('  <titleset>\n')
 524         if mode.startswith("menu"):
 525                 authorxml.append('   <menus>\n')
 526                 authorxml.append('    <video aspect="4:3"/>\n')
 527                 for menu_count in range(1 , job.nr_menus+1):
 528                         if menu_count == 1:
 529                                 authorxml.append('    <pgc entry="root">\n')
 530                         else:
 531                                 authorxml.append('    <pgc>\n')
 532                         menu_start_title = (menu_count-1)*titles_per_menu + 1
 533                         menu_end_title = (menu_count)*titles_per_menu + 1
 534                         if menu_end_title > nr_titles:
 535                                 menu_end_title = nr_titles+1
 536                         for i in range( menu_start_title , menu_end_title ):
 537                                 authorxml.append('     <button name="button' + (str(i).zfill(2)) + '"> jump title ' + str(i) +'; </button>\n')
 538                         if menu_count > 1:
 539                                 authorxml.append('     <button name="button_prev"> jump menu ' + str(menu_count-1) + '; </button>\n')
 540                         if menu_count < job.nr_menus:
 541                                 authorxml.append('     <button name="button_next"> jump menu ' + str(menu_count+1) + '; </button>\n')
 542                         menuoutputfilename = job.workspace+"/dvdmenu"+str(menu_count)+".mpg"
 543                         authorxml.append('     <vob file="' + menuoutputfilename + '" pause="inf"/>\n')
 544                         authorxml.append('    </pgc>\n')
 545                 authorxml.append('   </menus>\n')
 546         authorxml.append('   <titles>\n')
 547         for i in range( nr_titles ):
 548                 for audiotrack in job.project.titles[i].audiotracks:
 549                         authorxml.append('    <audio lang="'+audiotrack[0][:2]+'" format="'+audiotrack[1]+'" />\n')
 550                 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])
 551                 title_no = i+1
 552                 title_filename = job.workspace + "/dvd_title_%d.mpg" % (title_no)
 553                 if job.menupreview:
 554                         LinkTS(job, job.project.settings.vmgm.getValue(), title_filename)
 555                 else:
 556                         MakeFifoNode(job, title_no)
 557                 if mode.endswith("linked") and title_no < nr_titles:
 558                         post_tag = "jump title %d;" % ( title_no+1 )
 559                 elif mode.startswith("menu"):
 560                         post_tag = "call vmgm menu 1;"
 561                 else:   post_tag = ""
 562
 563                 authorxml.append('    <pgc>\n')
 564                 authorxml.append('     <vob file="' + title_filename + '" chapters="' + chapters + '" />\n')
 565                 authorxml.append('     <post> ' + post_tag + ' </post>\n')
 566                 authorxml.append('    </pgc>\n')
 567
 568         authorxml.append('   </titles>\n')
 569         authorxml.append('  </titleset>\n')
 570         authorxml.append(' </dvdauthor>\n')
 571         f = open(job.workspace+"/dvdauthor.xml", "w")
 572         for x in authorxml:
 573                 f.write(x)
 574         f.close()
 575
 576 class DVDJob(Job):
 577         def __init__(self, project, menupreview=False):
 578                 Job.__init__(self, "DVD Burn")
 579                 self.project = project
 580                 from time import strftime
 581                 from Tools.Directories import SCOPE_HDD, resolveFilename, createDir
 582                 new_workspace = resolveFilename(SCOPE_HDD) + "tmp/" + strftime("%Y%m%d%H%M%S")
 583                 createDir(new_workspace, True)
 584                 self.workspace = new_workspace
 585                 self.project.workspace = self.workspace
 586                 self.menupreview = menupreview
 587                 self.conduct()
 588
 589         def conduct(self):
 590                 if self.project.settings.authormode.getValue().startswith("menu") or self.menupreview:
 591                         CreateMenus(self)
 592                 CreateAuthoringXML(self)
 593
 594                 totalsize = 50*1024*1024 # require an extra safety 50 MB
 595                 maxsize = 0
 596                 for title in self.project.titles:
 597                         titlesize = title.estimatedDiskspace
 598                         if titlesize > maxsize: maxsize = titlesize
 599                         totalsize += titlesize
 600                 diskSpaceNeeded = totalsize + maxsize
 601
 602                 DVDAuthorTask(self, diskSpaceNeeded)
 603
 604                 nr_titles = len(self.project.titles)
 605
 606                 if self.menupreview:
 607                         PreviewTask(self)
 608                 else:
 609                         for self.i in range(nr_titles):
 610                                 title = self.project.titles[self.i]
 611                                 link_name =  self.workspace + "/source_title_%d.ts" % (self.i+1)
 612                                 title_filename = self.workspace + "/dvd_title_%d.mpg" % (self.i+1)
 613                                 LinkTS(self, title.inputfile, link_name)
 614                                 demux = DemuxTask(self, link_name)
 615                                 MplexTask(self, outputfile=title_filename, demux_task=demux)
 616                                 RemoveESFiles(self, demux)
 617                         WaitForResidentTasks(self)
 618                         PreviewTask(self)
 619                         BurnTask(self)
 620                 RemoveDVDFolder(self)
 621
 622 def Burn(session, project):
 623         j = DVDJob(project)
 624         job_manager.AddJob(j)
 625         return j
 626
 627 def PreviewMenu(session, project):
 628         j = DVDJob(project, menupreview=True)
 629         job_manager.AddJob(j)
 630         return j