/usr/lib/sltv/volume.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 65 66 67 68 69 70 71 72 73 74 75 76 77 | # -*- coding: utf-8 -*-
# Copyright (C) 2010 Holoscópio Tecnologia
# Author: Marcelo Jorge Vieira <metal@holoscopio.com>
# 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
class Volume(gst.Bin):
__gproperties__ = {
'volume' : (gobject.TYPE_FLOAT, # type
'volume', # nick name
'volume', # description
0, # minimum value
10, # maximum value
1, # default value
gobject.PARAM_READWRITE) # flags
}
def __init__(self):
gst.Bin.__init__(self)
self.volume_convert1 = gst.element_factory_make(
"audioconvert", "volume_convert1"
)
self.add(self.volume_convert1)
self.volume_convert2 = gst.element_factory_make(
"audioconvert", "volume_convert2"
)
self.add(self.volume_convert2)
self.volume = gst.element_factory_make("volume", "volume")
self.add(self.volume)
gst.element_link_many(
self.volume_convert1, self.volume, self.volume_convert2
)
self.sink_pad = gst.GhostPad(
"sink", self.volume_convert1.sink_pads().next()
)
self.add_pad(self.sink_pad)
self.src_pad = gst.GhostPad(
"src", self.volume_convert2.src_pads().next()
)
self.add_pad(self.src_pad)
def do_get_property(self, property):
if property.name == "volume":
value = self.volume.get_property("volume")
return value
else:
raise AttributeError, 'unknown property %s' % property.name
def do_set_property(self, property, value):
if property.name == "volume":
self.volume.set_property("volume", value)
else:
raise AttributeError, 'unknown property %s' % property.name
gobject.type_register(Volume)
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