/usr/lib/sltv/preview.py is in landell 0.92.1-1.1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 | # -*- coding: utf-8 -*-
# Copyright (C) 2009 Holoscópio Tecnologia
# Author: Luciana Fujii Pontello <luciana@holoscopio.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
import gobject
import pygst
pygst.require("0.10")
import gst
import gtk
class Preview(gst.Bin):
__gsignals__ = {
"prepare-xwindow-id" : (
gobject.SIGNAL_RUN_LAST,
gobject.TYPE_NONE,
(gobject.type_from_name("GstElement"),)
)
}
def __init__(self, sltv):
gobject.GObject.__init__(self)
sltv.connect("sync-message", self.on_sync_message)
self.sink = gst.element_factory_make("autovideosink", "sink")
self.add(self.sink)
self.colorspace = gst.element_factory_make(
"ffmpegcolorspace", "colorspace"
)
self.add(self.colorspace)
self.videoscale = gst.element_factory_make("videoscale")
self.add(self.videoscale)
gst.element_link_many(self.colorspace, self.videoscale, self.sink)
sink_pad = gst.GhostPad(
"sink_ghost_pad", self.colorspace.sink_pads().next()
)
self.add_pad(sink_pad)
def on_sync_message(self, sltv, bus, message):
if message.structure is None:
return
message_name = message.structure.get_name()
if message_name == "prepare-xwindow-id":
previewsink = message.src
if previewsink.get_parent() == self.sink:
previewsink.set_property("sync", False)
previewsink.set_property("force-aspect-ratio", True)
self.emit("prepare-xwindow-id", previewsink)
gobject.type_register(Preview)
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