1# -*- Mode: python; coding: utf-8; tab-width: 8; indent-tabs-mode: t; -*-
2#
3# Copyright (C) 2010 Jonathan Matthew
4#
5# This program is free software; you can redistribute it and/or modify
6# it under the terms of the GNU General Public License as published by
7# the Free Software Foundation; either version 2, or (at your option)
8# any later version.
9#
10# The Rhythmbox authors hereby grant permission for non-GPL compatible
11# GStreamer plugins to be used and distributed together with GStreamer
12# and Rhythmbox. This permission is above and beyond the permissions granted
13# by the GPL license by which Rhythmbox is covered. If you modify this code
14# you may extend this exception to your version of the code, but you are not
15# obligated to do so. If you do not wish to do so, delete this exception
16# statement from your version.
17#
18# This program is distributed in the hope that it will be useful,
19# but WITHOUT ANY WARRANTY; without even the implied warranty of
20# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
21# GNU General Public License for more details.
22#
23# You should have received a copy of the GNU General Public License
24# along with this program; if not, write to the Free Software
25# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA.
26#
27
28import rb
29from gi.repository import Gtk, Gio, GObject, PeasGtk
30from gi.repository import RB
31
32import gettext
33gettext.install('rhythmbox', RB.locale_dir())
34
35# modes
36REPLAYGAIN_MODE_RADIO = 0
37REPLAYGAIN_MODE_ALBUM = 1
38
39# number of samples to keep for calculating the average gain
40# to apply for tracks that aren't tagged
41AVERAGE_GAIN_SAMPLES = 10
42
43class ReplayGainConfig(GObject.Object, PeasGtk.Configurable):
44	__gtype_name__ = 'ReplayGainConfig'
45	object = GObject.property(type=GObject.Object)
46
47	def do_create_configure_widget(self):
48		self.settings = Gio.Settings.new("org.gnome.rhythmbox.plugins.replaygain")
49
50		ui_file = rb.find_plugin_file(self, "replaygain-prefs.ui")
51		self.builder = Gtk.Builder()
52		self.builder.add_from_file(ui_file)
53
54		content = self.builder.get_object("replaygain-prefs")
55
56		combo = self.builder.get_object("replaygainmode")
57		combo.props.id_column = 1
58		self.settings.bind("mode", combo, "active-id", Gio.SettingsBindFlags.DEFAULT)
59
60		preamp = self.builder.get_object("preamp")
61		self.settings.bind("preamp", preamp.props.adjustment, "value", Gio.SettingsBindFlags.GET)
62		preamp.connect("value-changed", self.preamp_changed_cb)
63
64		preamp.add_mark(-15.0, Gtk.PositionType.BOTTOM, _("-15.0 dB"))
65		preamp.add_mark(0.0, Gtk.PositionType.BOTTOM, _("0.0 dB"))
66		preamp.add_mark(15.0, Gtk.PositionType.BOTTOM, _("15.0 dB"))
67
68		limiter = self.builder.get_object("limiter")
69		self.settings.bind("limiter", limiter, "active", Gio.SettingsBindFlags.DEFAULT)
70
71		return content
72
73	def preamp_changed_cb(self, preamp):
74		RB.settings_delayed_sync(self.settings, self.sync_preamp, preamp)
75
76	def sync_preamp(self, settings, preamp):
77		v = preamp.get_value()
78		print("preamp gain changed to %f" % v)
79		settings['preamp'] = v
80
81GObject.type_register(ReplayGainConfig)
82