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from Components.Task import Task, Job, job_manager, DiskspacePrecondition, Condition
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"]
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]
class DemuxTask(Task):
def __init__(self, job, inputfile, cutlist):
Task.__init__(self, job, "Demux video into ES")
self.global_preconditions.append(DiskspacePrecondition(4*1024*1024))
self.setTool("/usr/bin/projectx")
self.cutfile = self.job.workspace + "/cut.Xcl"
self.generated_files = [ ]
self.cutlist = cutlist
self.end = 300
self.prog_state = 0
self.weighting = 1000
self.args += [inputfile, "-demux", "-out", self.job.workspace, "-cut", self.job.workspace + "/" + 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 MplexTask(Task):
def __init__(self, job, outputfile, demux_task):
Task.__init__(self, job, "Mux ES into PS")
self.weighting = 500
self.demux_task = demux_task
self.setTool("/usr/bin/mplex")
self.args += ["-f8", "-o", outputfile, "-v1"]
def prepare(self):
self.args += self.demux_task.generated_files
def processOutputLine(self, line):
print "[MplexTask] processOutputLine=", line
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):
Task.__init__(self, job, "Authoring DVD")
self.weighting = 300
self.setTool("/usr/bin/dvdauthor")
self.CWD = self.job.workspace
self.args += ["-x", self.job.workspace+"/dvdauthor.xml"]
def processOutputLine(self, line):
print "[DVDAuthorTask] processOutputLine=", line
if 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):
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_UNKNOWN: ("An unknown error occured!")
}[task.error]
class BurnTask(Task):
ERROR_MEDIA, ERROR_SIZE, ERROR_WRITE_FAILED, ERROR_DVDROM, ERROR_UNKNOWN = range(5)
def __init__(self, job):
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")
self.args += ["-dvd-video", "-dvd-compat", "-Z", "/dev/cdroms/cdrom0", "-V", "Dreambox_DVD", "-use-the-force-luke=dummy", self.job.workspace + "/dvd"]
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
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 DVDJob(Job):
def __init__(self, cue):
Job.__init__(self, "DVD Burn")
self.cue = cue
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)
self.workspace = new_workspace
self.fromDescription(self.createDescription())
def fromDescription(self, description):
nr_titles = int(description["nr_titles"])
authorxml = """
<dvdauthor dest="%s">
<vmgm>
<menus>
<pgc>
<post> jump title 1; </post>
</pgc>
</menus>
</vmgm>
<titleset>
<titles>""" % (self.workspace+"/dvd")
for i in range(nr_titles):
chapterlist_entries = description["chapterlist%d_entries" % i]
chapterlist = [ ]
print str(chapterlist_entries)
for j in range(chapterlist_entries):
chapterlist.append(int(description["chapterlist%d_%d" % (i, j)]))
print str(chapterlist)
chapters = ','.join(["%d:%02d:%02d.%03d," % (p / (90000 * 3600), p % (90000 * 3600) / (90000 * 60), p % (90000 * 60) / 90000, (p % 90000) / 90) for p in chapterlist])
title_no = i+1
MakeFifoNode(self, title_no)
vob_tag = """file="%s/dvd_title_%d.mpg" chapters="%s" />""" % (self.workspace, title_no, chapters)
if title_no < nr_titles:
post_tag = "> jump title %d;</post>" % ( title_no+1 )
else:
post_tag = " />"
authorxml += """
<pgc>
<vob %s
<post%s
</pgc>""" % (vob_tag, post_tag)
authorxml += """
</titles>
</titleset>
</dvdauthor>
"""
f = open(self.workspace+"/dvdauthor.xml", "w")
f.write(authorxml)
f.close()
DVDAuthorTask(self)
for i in range(nr_titles):
inputfile = description["inputfile%d" % i]
cutlist_entries = description["cutlist%d_entries" % i]
cutlist = [ ]
for j in range(cutlist_entries):
cutlist.append(int(description["cutlist%d_%d" % (i, j)]))
link_name = self.workspace + "/source_title_%d.ts" % (i+1)
LinkTS(self, inputfile, link_name)
demux = DemuxTask(self, inputfile = link_name, cutlist = cutlist)
title_filename = self.workspace + "/dvd_title_%d.mpg" % (i+1)
MplexTask(self, title_filename, demux)
RemoveESFiles(self, demux)
#RemovePSFile(self, title_filename)
#DVDAuthorFinalTask(self)
WaitForResidentTasks(self)
BurnTask(self)
#RemoveDVDFolder(self)
def createDescription(self):
# self.cue is a list of titles, with
# each title being a tuple of
# inputfile,
# a list of cutpoints (in,out)
# a list of chaptermarks
# we turn this into a flat dict with
# nr_titles = the number of titles,
# cutlist%d_entries = the number of cutlist entries for title i,
# cutlist%d_%d = cutlist entry j for title i,
# chapterlist%d_entries = the number of chapters for title i,
# chapterlist%d_%d = chapter j for title i
res = { "nr_titles": len(self.cue) }
for i in range(len(self.cue)):
c = self.cue[i]
res["inputfile%d" % i] = c[0]
res["cutlist%d_entries" % i] = len(c[1])
for j in range(len(c[1])):
res["cutlist%d_%d" % (i,j)] = c[1][j]
res["chapterlist%d_entries" % i] = len(c[2])
for j in range(len(c[2])):
res["chapterlist%d_%d" % (i,j)] = c[2][j]
return res
def Burn(session, cue):
print "burning cuesheet!"
j = DVDJob(cue)
job_manager.AddJob(j)
return j
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