from Components.Task import Task, Job, job_manager, DiskspacePrecondition, Condition, ToolExistsPrecondition
from Screens.MessageBox import MessageBox
class png2yuvTask(Task):
def __init__(self, job, inputfile, outputfile):
Task.__init__(self, job, "Creating menu video")
self.setTool("/usr/bin/png2yuv")
self.args += ["-n1", "-Ip", "-f25", "-j", inputfile]
self.dumpFile = outputfile
self.weighting = 10
def run(self, callback, task_progress_changed):
Task.run(self, callback, task_progress_changed)
self.container.stdoutAvail.get().remove(self.processStdout)
self.container.dumpToFile(self.dumpFile)
def processStderr(self, data):
print "[png2yuvTask]", data[:-1]
class mpeg2encTask(Task):
def __init__(self, job, inputfile, outputfile):
Task.__init__(self, job, "Encoding menu video")
self.setTool("/usr/bin/mpeg2enc")
self.args += ["-f8", "-np", "-a2", "-o", outputfile]
self.inputFile = inputfile
self.weighting = 10
def run(self, callback, task_progress_changed):
Task.run(self, callback, task_progress_changed)
self.container.readFromFile(self.inputFile)
def processOutputLine(self, line):
print "[mpeg2encTask]", line[:-1]
class spumuxTask(Task):
def __init__(self, job, xmlfile, inputfile, outputfile):
Task.__init__(self, job, "Muxing buttons into menu")
self.setTool("/usr/bin/spumux")
self.args += [xmlfile]
self.inputFile = inputfile
self.dumpFile = outputfile
self.weighting = 10
def run(self, callback, task_progress_changed):
Task.run(self, callback, task_progress_changed)
self.container.stdoutAvail.get().remove(self.processStdout)
self.container.dumpToFile(self.dumpFile)
self.container.readFromFile(self.inputFile)
def processStderr(self, data):
print "[spumuxTask]", data[:-1]
class MakeFifoNode(Task):
def __init__(self, job, number):
Task.__init__(self, job, "Make FIFO nodes")
self.setTool("/bin/mknod")
nodename = self.job.workspace + "/dvd_title_%d" % number + ".mpg"
self.args += [nodename, "p"]
self.weighting = 10
class LinkTS(Task):
def __init__(self, job, sourcefile, link_name):
Task.__init__(self, job, "Creating symlink for source titles")
self.setTool("/bin/ln")
self.args += ["-s", sourcefile, link_name]
self.weighting = 10
class CopyMeta(Task):
def __init__(self, job, sourcefile):
Task.__init__(self, job, "Copy title meta files")
self.setTool("/bin/cp")
from os import listdir
path, filename = sourcefile.rstrip("/").rsplit("/",1)
tsfiles = listdir(path)
for file in tsfiles:
if file.startswith(filename+"."):
self.args += [path+'/'+file]
self.args += [self.job.workspace]
self.weighting = 10
class DemuxTask(Task):
def __init__(self, job, inputfile):
Task.__init__(self, job, "Demux video into ES")
title = job.project.titles[job.i]
self.global_preconditions.append(DiskspacePrecondition(title.estimatedDiskspace))
self.setTool("/usr/bin/projectx")
self.generated_files = [ ]
self.end = 300
self.prog_state = 0
self.weighting = 1000
self.cutfile = self.job.workspace + "/cut_%d.Xcl" % (job.i+1)
self.cutlist = title.cutlist
self.args += [inputfile, "-demux", "-out", self.job.workspace ]
if len(self.cutlist) > 1:
self.args += [ "-cut", self.cutfile ]
def prepare(self):
self.writeCutfile()
def processOutputLine(self, line):
line = line[:-1]
MSG_NEW_FILE = "---> new File: "
MSG_PROGRESS = "[PROGRESS] "
if line.startswith(MSG_NEW_FILE):
file = line[len(MSG_NEW_FILE):]
if file[0] == "'":
file = file[1:-1]
self.haveNewFile(file)
elif line.startswith(MSG_PROGRESS):
progress = line[len(MSG_PROGRESS):]
self.haveProgress(progress)
def haveNewFile(self, file):
print "PRODUCED FILE [%s]" % file
self.generated_files.append(file)
def haveProgress(self, progress):
#print "PROGRESS [%s]" % progress
MSG_CHECK = "check & synchronize audio file"
MSG_DONE = "done..."
if progress == "preparing collection(s)...":
self.prog_state = 0
elif progress[:len(MSG_CHECK)] == MSG_CHECK:
self.prog_state += 1
else:
try:
p = int(progress)
p = p - 1 + self.prog_state * 100
if p > self.progress:
self.progress = p
except ValueError:
print "val error"
pass
def writeCutfile(self):
f = open(self.cutfile, "w")
f.write("CollectionPanel.CutMode=4\n")
for p in self.cutlist:
s = p / 90000
m = s / 60
h = m / 60
m %= 60
s %= 60
f.write("%02d:%02d:%02d\n" % (h, m, s))
f.close()
def cleanup(self, failed):
if failed:
import os
for f in self.generated_files:
os.remove(f)
class MplexTaskPostcondition(Condition):
def check(self, task):
if task.error == task.ERROR_UNDERRUN:
return True
return task.error is None
def getErrorMessage(self, task):
print "[MplexTaskPostcondition] getErrorMessage", task
return {
task.ERROR_UNDERRUN: ("Can't multiplex source video!"),
task.ERROR_UNKNOWN: ("An unknown error occured!")
}[task.error]
class MplexTask(Task):
ERROR_UNDERRUN, ERROR_UNKNOWN = range(2)
def __init__(self, job, outputfile, inputfiles=None, demux_task=None):
Task.__init__(self, job, "Mux ES into PS")
self.weighting = 500
self.demux_task = demux_task
self.postconditions.append(MplexTaskPostcondition())
self.setTool("/usr/bin/mplex")
self.args += ["-f8", "-o", outputfile, "-v1"]
if inputfiles:
self.args += inputfiles
def setTool(self, tool):
self.cmd = tool
self.args = [tool]
self.global_preconditions.append(ToolExistsPrecondition())
# we don't want the ReturncodePostcondition in this case because for right now we're just gonna ignore the fact that mplex fails with a buffer underrun error on some streams (this always at the very end)
def prepare(self):
self.error = None
if self.demux_task:
self.args += self.demux_task.generated_files
def processOutputLine(self, line):
print "[MplexTask] processOutputLine=", line[:-1]
if line.startswith("**ERROR:"):
if line.find("Frame data under-runs detected") != -1:
self.error = self.ERROR_UNDERRUN
else:
self.error = self.ERROR_UNKNOWN
class RemoveESFiles(Task):
def __init__(self, job, demux_task):
Task.__init__(self, job, "Remove temp. files")
self.demux_task = demux_task
self.setTool("/bin/rm")
def prepare(self):
self.args += ["-f"]
self.args += self.demux_task.generated_files
self.args += [self.demux_task.cutfile]
class DVDAuthorTask(Task):
def __init__(self, job, diskspaceNeeded):
Task.__init__(self, job, "Authoring DVD")
self.global_preconditions.append(DiskspacePrecondition(diskspaceNeeded))
self.weighting = 300
self.setTool("/usr/bin/dvdauthor")
self.CWD = self.job.workspace
self.args += ["-x", self.job.workspace+"/dvdauthor.xml"]
self.menupreview = job.menupreview
def processOutputLine(self, line):
print "[DVDAuthorTask] processOutputLine=", line[:-1]
if not self.menupreview and line.startswith("STAT: Processing"):
self.callback(self, [], stay_resident=True)
class DVDAuthorFinalTask(Task):
def __init__(self, job):
Task.__init__(self, job, "dvdauthor finalize")
self.setTool("/usr/bin/dvdauthor")
self.args += ["-T", "-o", self.job.workspace + "/dvd"]
class WaitForResidentTasks(Task):
def __init__(self, job):
Task.__init__(self, job, "waiting for dvdauthor to finalize")
def run(self, callback, task_progress_changed):
print "waiting for %d resident task(s) %s to finish..." % (len(self.job.resident_tasks),str(self.job.resident_tasks))
if self.job.resident_tasks == 0:
callback(self, [])
class BurnTaskPostcondition(Condition):
RECOVERABLE = True
def check(self, task):
return task.error is None
def getErrorMessage(self, task):
return {
task.ERROR_MEDIA: _("Medium is not a writeable DVD!"),
task.ERROR_SIZE: _("Content does not fit on DVD!"),
task.ERROR_WRITE_FAILED: _("Write failed!"),
task.ERROR_DVDROM: _("No (supported) DVDROM found!"),
task.ERROR_ISOFS: _("Medium is not empty!"),
task.ERROR_UNKNOWN: _("An unknown error occured!")
}[task.error]
class BurnTask(Task):
ERROR_MEDIA, ERROR_SIZE, ERROR_WRITE_FAILED, ERROR_DVDROM, ERROR_ISOFS, ERROR_UNKNOWN = range(6)
def __init__(self, job, extra_args=[]):
Task.__init__(self, job, "burn")
self.weighting = 500
self.end = 120 # 100 for writing, 10 for buffer flush, 10 for closing disc
self.postconditions.append(BurnTaskPostcondition())
self.setTool("/bin/growisofs")
volName = self.getASCIIname(job.project.settings.name.getValue())
self.args += ["-dvd-compat", "-Z", "/dev/cdroms/cdrom0", "-V", volName, "-P", "Dreambox", "-use-the-force-luke=dummy", self.job.workspace + "/dvd"]
self.args += extra_args
def getASCIIname(self, name):
ASCIIname = ""
for char in name.decode("utf-8").encode("ascii","replace"):
if ord(char) <= 0x20 or ( ord(char) >= 0x3a and ord(char) <= 0x40 ):
ASCIIname += '_'
else:
ASCIIname += char
return ASCIIname
def prepare(self):
self.error = None
def processOutputLine(self, line):
line = line[:-1]
print "[GROWISOFS] %s" % line
if line[8:14] == "done, ":
self.progress = float(line[:6])
print "progress:", self.progress
elif line.find("flushing cache") != -1:
self.progress = 100
elif line.find("closing disc") != -1:
self.progress = 110
elif line.startswith(":-["):
if line.find("ASC=30h") != -1:
self.error = self.ERROR_MEDIA
else:
self.error = self.ERROR_UNKNOWN
print "BurnTask: unknown error %s" % line
elif line.startswith(":-("):
if line.find("No space left on device") != -1:
self.error = self.ERROR_SIZE
elif line.find("write failed") != -1:
self.error = self.ERROR_WRITE_FAILED
elif line.find("unable to open64(\"/dev/cdroms/cdrom0\",O_RDONLY): No such file or directory") != -1: # fixme
self.error = self.ERROR_DVDROM
elif line.find("media is not recognized as recordable DVD") != -1:
self.error = self.ERROR_MEDIA
else:
self.error = self.ERROR_UNKNOWN
print "BurnTask: unknown error %s" % line
elif line.startswith("FATAL:"):
if line.find("already carries isofs!"):
self.error = self.ERROR_ISOFS
else:
self.error = self.ERROR_UNKNOWN
print "BurnTask: unknown error %s" % line
class RemoveDVDFolder(Task):
def __init__(self, job):
Task.__init__(self, job, "Remove temp. files")
self.setTool("/bin/rm")
self.args += ["-rf", self.job.workspace]
class PreviewTask(Task):
def __init__(self, job):
Task.__init__(self, job, "Preview")
self.postconditions.append(PreviewTaskPostcondition())
self.job = job
def run(self, callback, task_progress_changed):
self.callback = callback
self.task_progress_changed = task_progress_changed
if self.job.project.waitboxref:
self.job.project.waitboxref.close()
if self.job.menupreview:
self.waitAndOpenPlayer()
else:
self.job.project.session.openWithCallback(self.previewCB, MessageBox, _("Do you want to preview this DVD before burning?"), timeout = 60, default = False)
def previewCB(self, answer):
if answer == True:
self.waitAndOpenPlayer()
else:
self.closedCB(True)
def playerClosed(self):
if self.job.menupreview:
self.closedCB(True)
else:
self.job.project.session.openWithCallback(self.closedCB, MessageBox, _("Do you want to burn this collection to DVD medium?") )
def closedCB(self, answer):
if answer == True:
Task.processFinished(self, 0)
else:
Task.processFinished(self, 1)
def waitAndOpenPlayer(self):
from enigma import eTimer
self.delayTimer = eTimer()
self.delayTimer.callback.append(self.previewProject)
self.delayTimer.start(10,1)
def previewProject(self):
from Plugins.Extensions.DVDPlayer.plugin import DVDPlayer
self.job.project.session.openWithCallback(self.playerClosed, DVDPlayer, dvd_filelist= [ self.job.project.workspace + "/dvd/VIDEO_TS/" ])
class PreviewTaskPostcondition(Condition):
def check(self, task):
return task.returncode == 0
def getErrorMessage(self, task):
return "Cancel"
def getTitlesPerMenu(nr_titles):
if nr_titles < 6:
titles_per_menu = 5
else:
titles_per_menu = 4
return titles_per_menu
def formatTitle(template, title, track):
template = template.replace("$i", str(track))
template = template.replace("$t", title.name)
template = template.replace("$d", title.descr)
template = template.replace("$c", str(len(title.chaptermarks)+1))
template = template.replace("$A", str(title.audiotracks))
template = template.replace("$f", title.inputfile)
template = template.replace("$C", title.channel)
l = title.length
lengthstring = "%d:%02d:%02d" % (l/3600, l%3600/60, l%60)
template = template.replace("$l", lengthstring)
if title.timeCreate:
template = template.replace("$Y", str(title.timeCreate[0]))
template = template.replace("$M", str(title.timeCreate[1]))
template = template.replace("$D", str(title.timeCreate[2]))
timestring = "%d:%02d" % (title.timeCreate[3], title.timeCreate[4])
template = template.replace("$T", timestring)
else:
template = template.replace("$Y", "").replace("$M", "").replace("$D", "").replace("$T", "")
return template.decode("utf-8")
def CreateMenus(job):
try:
from ImageFont import truetype
import ImageDraw, Image, os
except ImportError:
job.project.session.open(MessageBox, ("missing python-imaging"), type = MessageBox.TYPE_ERROR)
if job.project.waitboxref:
job.project.waitboxref.close()
return False
imgwidth = 720
imgheight = 576
s = job.project.settings
im_bg_orig = Image.open(s.menubg.getValue())
if im_bg_orig.size != (imgwidth, imgheight):
im_bg_orig = im_bg_orig.resize((720, 576))
fontsizes = s.font_size.getValue()
fontface = s.font_face.getValue()
font0 = truetype(fontface, fontsizes[0])
font1 = truetype(fontface, fontsizes[1])
font2 = truetype(fontface, fontsizes[2])
color_headline = tuple(s.color_headline.getValue())
color_button = tuple(s.color_button.getValue())
color_highlight = tuple(s.color_highlight.getValue())
spu_palette = [ 0x60, 0x60, 0x60 ] + s.color_highlight.getValue()
nr_titles = len(job.project.titles)
titles_per_menu = getTitlesPerMenu(nr_titles)
job.nr_menus = ((nr_titles+titles_per_menu-1)/titles_per_menu)
#a new menu_count every 5 titles (1,2,3,4,5->1 ; 6,7,8,9,10->2 etc.)
for menu_count in range(1 , job.nr_menus+1):
im_bg = im_bg_orig.copy()
im_high = Image.new("P", (imgwidth, imgheight), 0)
im_high.putpalette(spu_palette)
draw_bg = ImageDraw.Draw(im_bg)
draw_high = ImageDraw.Draw(im_high)
if menu_count == 1:
headline = s.name.getValue().decode("utf-8")
textsize = draw_bg.textsize(headline, font=font0)
if textsize[0] > imgwidth:
offset = (0 , 20)
else:
offset = (((imgwidth-textsize[0]) / 2) , 20)
draw_bg.text(offset, headline, fill=color_headline, font=font0)
menubgpngfilename = job.workspace+"/dvd_menubg"+str(menu_count)+".png"
highlightpngfilename = job.workspace+"/dvd_highlight"+str(menu_count)+".png"
spuxml = """
""" % (highlightpngfilename, spu_palette[0], spu_palette[1], spu_palette[2])
s_top, s_rows, s_left = s.space.getValue()
rowheight = (fontsizes[1]+fontsizes[2]+s_rows)
menu_start_title = (menu_count-1)*titles_per_menu + 1
menu_end_title = (menu_count)*titles_per_menu + 1
if menu_end_title > nr_titles:
menu_end_title = nr_titles+1
menu_i = 0
for title_no in range( menu_start_title , menu_end_title ):
i = title_no-1
top = s_top + ( menu_i * rowheight )
menu_i += 1
title = job.project.titles[i]
titleText = formatTitle(s.titleformat.getValue(), title, title_no)
draw_bg.text((s_left,top), titleText, fill=color_button, font=font1)
draw_high.text((s_left,top), titleText, fill=1, font=font1)
subtitleText = formatTitle(s.subtitleformat.getValue(), title, title_no)
draw_bg.text((s_left,top+36), subtitleText, fill=color_button, font=font2)
bottom = top+rowheight
if bottom > imgheight:
bottom = imgheight
spuxml += """
""" % (str(title_no).zfill(2),s_left,imgwidth,top,bottom )
if menu_count > 1:
prev_page_text = "<<<"
textsize = draw_bg.textsize(prev_page_text, font=font1)
offset = ( 2*s_left, s_top + ( titles_per_menu * rowheight ) )
draw_bg.text(offset, prev_page_text, fill=color_button, font=font1)
draw_high.text(offset, prev_page_text, fill=1, font=font1)
spuxml += """
""" % (offset[0],offset[0]+textsize[0],offset[1],offset[1]+textsize[1])
if menu_count < job.nr_menus:
next_page_text = ">>>"
textsize = draw_bg.textsize(next_page_text, font=font1)
offset = ( imgwidth-textsize[0]-2*s_left, s_top + ( titles_per_menu * rowheight ) )
draw_bg.text(offset, next_page_text, fill=color_button, font=font1)
draw_high.text(offset, next_page_text, fill=1, font=font1)
spuxml += """
""" % (offset[0],offset[0]+textsize[0],offset[1],offset[1]+textsize[1])
del draw_bg
del draw_high
fd=open(menubgpngfilename,"w")
im_bg.save(fd,"PNG")
fd.close()
fd=open(highlightpngfilename,"w")
im_high.save(fd,"PNG")
fd.close()
png2yuvTask(job, menubgpngfilename, job.workspace+"/dvdmenubg"+str(menu_count)+".yuv")
menubgm2vfilename = job.workspace+"/dvdmenubg"+str(menu_count)+".mv2"
mpeg2encTask(job, job.workspace+"/dvdmenubg"+str(menu_count)+".yuv", menubgm2vfilename)
menubgmpgfilename = job.workspace+"/dvdmenubg"+str(menu_count)+".mpg"
menuaudiofilename = s.menuaudio.getValue()
MplexTask(job, outputfile=menubgmpgfilename, inputfiles = [menubgm2vfilename, menuaudiofilename])
spuxml += """
"""
spuxmlfilename = job.workspace+"/spumux"+str(menu_count)+".xml"
f = open(spuxmlfilename, "w")
f.write(spuxml)
f.close()
menuoutputfilename = job.workspace+"/dvdmenu"+str(menu_count)+".mpg"
spumuxTask(job, spuxmlfilename, menubgmpgfilename, menuoutputfilename)
return True
def CreateAuthoringXML(job):
nr_titles = len(job.project.titles)
titles_per_menu = getTitlesPerMenu(nr_titles)
mode = job.project.settings.authormode.getValue()
authorxml = []
authorxml.append('\n')
authorxml.append(' \n')
authorxml.append(' \n')
authorxml.append(' \n')
authorxml.append(' \n')
authorxml.append(' \n', )
if mode.startswith("menu"):
authorxml.append(' jump titleset 1 menu; \n')
else:
authorxml.append(' jump title 1; \n')
authorxml.append(' \n')
authorxml.append(' \n')
authorxml.append(' \n')
authorxml.append(' \n')
if mode.startswith("menu"):
authorxml.append(' \n')
authorxml.append(' \n')
for menu_count in range(1 , job.nr_menus+1):
if menu_count == 1:
authorxml.append(' \n')
else:
authorxml.append(' \n')
menu_start_title = (menu_count-1)*titles_per_menu + 1
menu_end_title = (menu_count)*titles_per_menu + 1
if menu_end_title > nr_titles:
menu_end_title = nr_titles+1
for i in range( menu_start_title , menu_end_title ):
authorxml.append(' \n')
if menu_count > 1:
authorxml.append(' \n')
if menu_count < job.nr_menus:
authorxml.append(' \n')
menuoutputfilename = job.workspace+"/dvdmenu"+str(menu_count)+".mpg"
authorxml.append(' \n')
authorxml.append(' \n')
authorxml.append(' \n')
authorxml.append(' \n')
for i in range( nr_titles ):
for audiotrack in job.project.titles[i].audiotracks:
authorxml.append(' \n')
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])
title_no = i+1
title_filename = job.workspace + "/dvd_title_%d.mpg" % (title_no)
if job.menupreview:
LinkTS(job, job.project.settings.vmgm.getValue(), title_filename)
else:
MakeFifoNode(job, title_no)
if mode.endswith("linked") and title_no < nr_titles:
post_tag = "jump title %d;" % ( title_no+1 )
elif mode.startswith("menu"):
post_tag = "call vmgm menu 1;"
else: post_tag = ""
authorxml.append(' \n')
authorxml.append(' \n')
authorxml.append(' ' + post_tag + ' \n')
authorxml.append(' \n')
authorxml.append(' \n')
authorxml.append(' \n')
authorxml.append(' \n')
f = open(job.workspace+"/dvdauthor.xml", "w")
for x in authorxml:
f.write(x)
f.close()
class DVDJob(Job):
def __init__(self, project, menupreview=False):
Job.__init__(self, "DVD Burn")
self.project = project
from time import strftime
from Tools.Directories import SCOPE_HDD, resolveFilename, createDir
new_workspace = resolveFilename(SCOPE_HDD) + "tmp/" + strftime("%Y%m%d%H%M%S")
createDir(new_workspace, True)
self.workspace = new_workspace
self.project.workspace = self.workspace
self.menupreview = menupreview
self.conduct()
def conduct(self):
if self.project.settings.authormode.getValue().startswith("menu") or self.menupreview:
if not CreateMenus(self):
return
CreateAuthoringXML(self)
totalsize = 50*1024*1024 # require an extra safety 50 MB
maxsize = 0
for title in self.project.titles:
titlesize = title.estimatedDiskspace
if titlesize > maxsize: maxsize = titlesize
totalsize += titlesize
diskSpaceNeeded = totalsize + maxsize
DVDAuthorTask(self, diskSpaceNeeded)
nr_titles = len(self.project.titles)
if self.menupreview:
PreviewTask(self)
else:
for self.i in range(nr_titles):
title = self.project.titles[self.i]
link_name = self.workspace + "/source_title_%d.ts" % (self.i+1)
title_filename = self.workspace + "/dvd_title_%d.mpg" % (self.i+1)
LinkTS(self, title.inputfile, link_name)
demux = DemuxTask(self, link_name)
MplexTask(self, outputfile=title_filename, demux_task=demux)
RemoveESFiles(self, demux)
WaitForResidentTasks(self)
PreviewTask(self)
BurnTask(self,["-dvd-video"])
RemoveDVDFolder(self)
class DVDdataJob(Job):
def __init__(self, project):
Job.__init__(self, "Data DVD Burn")
self.project = project
from time import strftime
from Tools.Directories import SCOPE_HDD, resolveFilename, createDir
new_workspace = resolveFilename(SCOPE_HDD) + "tmp/" + strftime("%Y%m%d%H%M%S") + "/dvd/"
createDir(new_workspace, True)
self.workspace = new_workspace
self.project.workspace = self.workspace
self.conduct()
def conduct(self):
diskSpaceNeeded = 50*1024*1024 # require an extra safety 50 MB
for title in self.project.titles:
diskSpaceNeeded += title.filesize
nr_titles = len(self.project.titles)
for self.i in range(nr_titles):
title = self.project.titles[self.i]
filename = title.inputfile.rstrip("/").rsplit("/",1)[1]
link_name = self.workspace + filename
LinkTS(self, title.inputfile, link_name)
CopyMeta(self, title.inputfile)
BurnTask(self)
RemoveDVDFolder(self)
def Burn(session, project):
j = DVDJob(project)
job_manager.AddJob(j)
return j
def PreviewMenu(session, project):
j = DVDJob(project, menupreview=True)
job_manager.AddJob(j)
return j
def BurnDataTS(session, project):
j = DVDdataJob(project)
job_manager.AddJob(j)
return j