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# pitivi/dialogs/clipmediaprops.py
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# Copyright (c) 2011, Parthasarathi Susarla <partha@collabora.co.uk>
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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# You should have received a copy of the GNU Lesser General Public
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# License along with this program; if not, see <http://www.gnu.org/licenses/>.
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from gi.repository import Gdk
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from gi.repository import Gst
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from gi.repository import Gtk
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from gettext import gettext as _
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from pitivi.configure import get_ui_dir
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from pitivi.utils.ui import frame_rates, audio_rates, \
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audio_channels, pixel_aspect_ratios, get_value_from_model
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class ClipMediaPropsDialog(object):
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Displays the properties of an asset, and allows applying them to a project.
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@type project: L{Project}
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@type asset: L{GES.UriClipAsset}
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def __init__(self, project, asset):
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self.project = project
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info = asset.get_info()
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self.audio_streams = info.get_audio_streams()
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self.video_streams = info.get_video_streams()
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self.has_audio = False
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self.has_video = False
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builder = Gtk.Builder()
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builder.add_from_file(os.path.join(get_ui_dir(), "clipmediaprops.ui"))
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builder.connect_signals(self)
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self.dialog = builder.get_object("Import Settings")
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# Checkbuttons (with their own labels) in the first table column:
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self.size_checkbutton = builder.get_object("size_checkbutton")
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self.framerate_checkbutton = builder.get_object("framerate_checkbutton")
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self.PAR_checkbutton = builder.get_object("PAR_checkbutton")
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self.channels_checkbutton = builder.get_object("channels_checkbutton")
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self.samplerate_checkbutton = builder.get_object("samplerate_checkbtn")
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# These labels are in a separate table col on the right of checkboxes:
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self.channels = builder.get_object("channels")
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self.size_height = builder.get_object("size_height")
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self.size_width = builder.get_object("size_width")
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self.frame_rate = builder.get_object("frame_rate")
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self.aspect_ratio = builder.get_object("aspect_ratio")
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self.sample_rate = builder.get_object("sample_rate")
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# Various other layout widgets
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self.frame1 = builder.get_object("frame1")
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self.frame2 = builder.get_object("frame2")
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self.hbox2 = builder.get_object("hbox2")
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self.hbox3 = builder.get_object("hbox3")
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self.video_header_label = builder.get_object("label2")
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"""Set up widgets and run the dialog"""
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# TODO: in "onApplyButtonClicked", we only use the first stream...
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# If we have multiple audio or video streams, we should reflect that
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# in the UI, instead of acting as if there was only one. But that means
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# dynamically creating checkboxes and labels in a table and such.
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for stream in self.audio_streams:
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self.channels.set_text(
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get_value_from_model(audio_channels, stream.get_channels()))
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self.sample_rate.set_text(
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get_value_from_model(audio_rates, stream.get_sample_rate()))
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for stream in self.video_streams:
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self.size_width.set_text(str(stream.get_width()))
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self.size_height.set_text(str(stream.get_height()))
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self.is_image = stream.is_image()
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# When gst returns a crazy framerate such as 0/1, that either
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# means it couldn't determine it, or it is a variable framerate
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framerate_num = stream.get_framerate_num()
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framerate_denom = stream.get_framerate_denom()
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if framerate_num != 0 and framerate_denom != 0:
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self.frame_rate.set_text(
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get_value_from_model(frame_rates,
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Gst.Fraction(framerate_num, framerate_denom)
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foo = str(framerate_num) + "/" + str(framerate_denom)
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# Translators: a label showing an invalid framerate value
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self.frame_rate.set_text(_("invalid (%s fps)" % foo))
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self.framerate_checkbutton.set_active(False)
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# For consistency, insensitize the checkbox AND value labels
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self.framerate_checkbutton.set_sensitive(False)
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self.frame_rate.set_sensitive(False)
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# Aspect ratio (probably?) doesn't need such a check:
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self.aspect_ratio.set_text(
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get_value_from_model(pixel_aspect_ratios, Gst.Fraction(
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stream.get_par_num(),
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stream.get_par_denom())))
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self.has_video = True
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if not self.has_video:
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if not self.has_audio:
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self.video_header_label.set_markup("<b>" + _("Image:") + "</b>")
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self.dialog.connect("key-press-event", self._keyPressCb)
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def _applyButtonCb(self, unused_button):
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"""Apply widget values to the project"""
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project = self.project
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# This also handles the case where the video is a still image
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video = self.video_streams[0]
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if self.size_checkbutton.get_active():
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project.videowidth = video.get_width()
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project.videoheight = video.get_height()
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if self.framerate_checkbutton.get_active() and not self.is_image:
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project.videorate = Gst.Fraction(video.get_framerate_num(),
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video.get_framerate_denom())
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if self.PAR_checkbutton.get_active() and not self.is_image:
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project.videopar = Gst.Fraction(video.get_par_num(),
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video.get_par_denom())
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audio = self.audio_streams[0]
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if self.channels_checkbutton.get_active():
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project.audiochannels = audio.get_channels()
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if self.samplerate_checkbutton.get_active():
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project.audiorate = audio.get_sample_rate()
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self.dialog.destroy()
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def _cancelButtonCb(self, unused_button):
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"""Destroy the dialog"""
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self.dialog.destroy()
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def _keyPressCb(self, unused_widget, event):
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if event.keyval in (Gdk.KEY_Escape, Gdk.KEY_Q, Gdk.KEY_q):
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self.dialog.destroy()
added
removed
pitivi/dialogs/clipmediaprops.py
