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#
# OggConvert -- Converts media files to Free formats
# (c) 2007 Tristan Brindle <tcbrindle at gmail dot com>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
import os
from time import clock
import gobject
import gtk
from gettext import gettext as _
from ocv_util import timeremaining, hourminsec, confirm_overwrite, \
cancel_check
class ProgressWindow:
def __init__(self, transcoder, infile, outfile):
self._infile = infile
self._infile_name = os.path.basename(infile)
self._outfile = outfile
self._outfile_name = os.path.basename(outfile)
self._transcoder = transcoder
# Connect to the transcoder's signals
self._transcoder.connect("eos",self._on_eos)
self._transcoder.connect("playing",self._on_playing)
self._transcoder.connect("paused",self._on_paused)
gladepath = os.path.dirname(os.path.abspath(__file__))
gladepath = os.path.join(gladepath, "oggcv.glade")
self._wtree = gtk.glade.XML(gladepath, "progress_window")
signals = {"on_pause_button_clicked" : self._on_pause_clicked,
"on_cancel_button_clicked" : self._on_cancel_clicked,
"on_progress_window_delete" : self._on_cancel_clicked}
self._wtree.signal_autoconnect(signals)
self._window = self._wtree.get_widget("progress_window")
self._progressbar = self._wtree.get_widget("progressbar")
self._buttonbox = self._wtree.get_widget("buttonbox")
self._pause_button = self._wtree.get_widget("pause_button")
self._label = self._wtree.get_widget("convert_label")
self._label.set_markup(_("<i>Converting \"%s\"</i>") %self._infile_name)
def run(self):
self._transcoder.pause()
if not self._transcoder.sync():
self._preroll_failed()
return
self._duration = self._transcoder.get_duration()
self._window.show_all()
self._transcoder.play()
self._timer = Timer()
gtk.main()
def _on_paused(self, unused):
self._timer.stop()
self._playing = False
self._pause_button.set_label(_("_Resume"))
def _on_playing(self, unused):
self._playing = True
if self._duration==None:
self._progressbar.set_text("")
gobject.timeout_add(100, self._pulse_progressbar)
else:
self._update_progressbar()
gobject.timeout_add(1000, self._update_progressbar)
self._pause_button.set_label(_("_Pause"))
self._timer.start()
def _update_progressbar(self):
pos = self._transcoder.get_position()
if pos:
completed = float(pos)/self._duration
else:
completed = 1
percent = 100*completed
elapsed = self._timer.get_elapsed()
if self._playing:
timerem = timeremaining(elapsed, percent)
self._progressbar.set_fraction(completed)
if elapsed>3.0: # Don't display any text for the first three seconds
self._progressbar.set_text(
_("%.1f%% completed, about %sleft") %(percent, timerem))
return True
else:
self._progressbar.set_text(_('Paused (%.1f%% completed)') %(percent))
return False
def _pulse_progressbar(self):
if self._playing:
self._progressbar.pulse()
return True
else:
self._progressbar.set_text(_("Paused"))
return False
def _on_pause_clicked(self, button):
if self._playing:
self._transcoder.pause()
else:
self._transcoder.play()
def _on_cancel_clicked(self, *args):
if cancel_check(self._window):
self._playing = False
self._transcoder.stop()
self._window.destroy()
gtk.main_quit()
def _on_eos(self, unused):
self._transcoder.stop()
self._playing = False
gtk.main_quit()
self._progressbar.set_text(_("Encoding complete"))
self._progressbar.set_fraction(1.0)
dialogue = gtk.MessageDialog(self._window, gtk.DIALOG_MODAL,
gtk.MESSAGE_INFO,
gtk.BUTTONS_CLOSE, _("Encoding complete"))
dialogue.format_secondary_text(_("File saved to \"%s\".") %(self._outfile))
dialogue.run()
dialogue.destroy()
self._window.destroy()
def _preroll_failed(self):
self._transcoder.stop()
# I really ought to put all the dialogues in one place...
dialogue = gtk.MessageDialog(self._window, gtk.DIALOG_MODAL,
gtk.MESSAGE_ERROR,
gtk.BUTTONS_CLOSE, _("Cannot convert file"))
dialogue.format_secondary_text(_("GStreamer error: preroll failed"))
dialogue.run()
dialogue.destroy()
class Timer:
def __init__(self):
self._elapsed = 0.0
self._starttime = 0.0
self._started = False
def start(self):
self._starttime = clock()
self._started = True
def stop(self):
self._elapsed += (clock() - self._starttime)
self._started = False
def get_elapsed(self):
if self._started:
return (self._elapsed + clock() - self._starttime)
else:
return self._elapsed
def reset(self):
self._elapsed = 0.0
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