/usr/lib/listen/plugins/generic/equalizer.py is in listen 0.6.5-9.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# vim: ts=4
###
#
# Listen is the legal property of mehdi abaakouk <theli48@gmail.com>
# Copyright (c) 2006 Mehdi Abaakouk
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation
#
# 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 St, Fifth Floor, Boston, MA 02110-1301, USA
#
###
import gst
import gtk
from player import Player
from plugins.generic import GenericPlugin
import utils
from config import config
from action_manager import ActionManager
from utils import odict
from logger import Logger
from xdg_support import get_xdg_pixmap_file
COMBO_EMPTY_TEXT = "-----------"
COMBO_MANDATORY = odict()
COMBO_MANDATORY[_("Disabled")] = _("Disabled") + "<###>0:0:0:0:0:0:0:0:0:0"
COMBO_MANDATORY[_("Classical")] = _("Classical") + "<###>0.0:0.0:0.0:0.0:0.0:0.0:-7.2:-7.2:-7.2:-9.6"
COMBO_MANDATORY[_("Club")] = _("Club") + "<###>0.0:0.0:8:5.6:5.6:5.6:3.2:0.0:0.0:0.0"
COMBO_MANDATORY[_("Dance")] = _("Dance") + "<###>9.6:7.2:2.4:0.0:0.0:-5.6:-7.2:-7.2:0.0:0.0"
COMBO_MANDATORY[_("Full Bass")] = _("Full Bass") + "<###>-8:9.6:9.6:5.6:1.6:-4:-8:-10.4:-11.2:-11.2"
COMBO_MANDATORY[_("Full Bass and Treble")] = _("Full Bass and Treble") + "<###>7.2:5.6:0.0:-7.2:-4.8:1.6:8:11.2:12:12"
COMBO_MANDATORY[_("Full Treble")] = _("Full Treble") + "<###>-9.6:-9.6:-9.6:-4:2.4:11.2:16:16:16:16.8"
COMBO_MANDATORY[_("Laptop Speakers/Headphones")] = _("Laptop Speakers/Headphones") + "<###>4.8:11.2:5.6:-3.2:-2.4:1.6:4.8:9.6:12.8:14.4"
COMBO_MANDATORY[_("Large Hall")] = _("Large Hall") + "<###>10.4:10.4:5.6:5.6:0.0:-4.8:-4.8:-4.8:0.0:0.0"
COMBO_MANDATORY[_("Live")] = _("Live") + "<###>-4.8:0.0:4:5.6:5.6:5.6:4:2.4:2.4:2.4"
COMBO_MANDATORY[_("Party")] = _("Party") + "<###>7.2:7.2:0.0:0.0:0.0:0.0:0.0:0.0:7.2:7.2"
COMBO_MANDATORY[_("Pop")] = _("Pop") + "<###>-1.6:4.8:7.2:8:5.6:0.0:-2.4:-2.4:-1.6:-1.6"
COMBO_MANDATORY[_("Reggae")] = _("Reggae") + "<###>0.0:0.0:0.0:-5.6:0.0:6.4:6.4:0.0:0.0:0.0"
COMBO_MANDATORY[_("Rock")] = _("Rock") + "<###>8:4.8:-5.6:-8:-3.2:4:8.8:11.2:11.2:11.2"
COMBO_MANDATORY[_("Ska")] = _("Ska") + "<###>-2.4:-4.8:-4:0.0:4:5.6:8.8:9.6:11.2:9.6"
COMBO_MANDATORY[_("Soft")] = _("Soft") + "<###>4.8:1.6:0.0:-2.4:0.0:4:8:9.6:11.2:12"
COMBO_MANDATORY[_("Soft Rock")] = _("Soft Rock") + "<###>4:4:2.4:0.0:-4:-5.6:-3.2:0.0:2.4:8.8"
COMBO_MANDATORY[_("Techno")] = _("Techno") + "<###>8:5.6:0.0:-5.6:-4.8:0.0:8:9.6:9.6:8.8"
COMBO_MANDATORY[COMBO_EMPTY_TEXT] = COMBO_EMPTY_TEXT + "<###>0.0:0.0:0.0:0.0:0.0:0.0:0.0:0.0:0.0:0.0"
class EqualizerDialog(gtk.Dialog, Logger):
def __init__(self):
title = _("Equalizer")
dialog_opts = gtk.DIALOG_MODAL | gtk.DIALOG_DESTROY_WITH_PARENT
#dialog_opts = gtk.DIALOG_DESTROY_WITH_PARENT
buttons = (gtk.STOCK_CLOSE, gtk.RESPONSE_REJECT,)
super(EqualizerDialog, self).__init__(title, utils.get_main_window(), dialog_opts, buttons)
self.set_property('skip-taskbar-hint', True)
self.__btnsave = gtk.Button()
self.__btnsave.add(gtk.image_new_from_stock(gtk.STOCK_SAVE, gtk.ICON_SIZE_LARGE_TOOLBAR))
self.__btnsave.connect("clicked", self.__save)
self.__btndelete = gtk.Button()
self.__btndelete.add(gtk.image_new_from_stock(gtk.STOCK_DELETE, gtk.ICON_SIZE_LARGE_TOOLBAR))
self.__btndelete.connect("clicked", self.__delete)
#btnimport = gtk.Button(stock=gtk.STOCK_IMPORT)
self.__combo = gtk.combo_box_entry_new_text()
for name in COMBO_MANDATORY.keys():
self.__combo.append_text(name)
opts = config.options("plugins")
for opt in opts:
if opt.find("equalizer-pref-") == 0:
name = config.get("plugins", opt).split("<###>")[0]
self.__combo.append_text(name)
self.__combo.set_active(len(COMBO_MANDATORY.keys()) - 1)
self.__select_name()
self.__combo.connect("changed", self.__change)
self.__combo.child.connect("changed", self.__edit_check)
vboxcombo = gtk.VBox()
vboxcombo.pack_start(self.__combo, True, False)
top_box = gtk.HBox()
top_box.set_property("border-width", 6)
top_box.pack_start(vboxcombo, True, True)
top_box.pack_start(self.__btnsave, False, False)
top_box.pack_start(self.__btndelete, False, False)
self.hbox = gtk.HBox(True, 3)
self.hbox.set_property("border-width", 6)
self.vbox.set_property("border-width", 12)
self.vbox.pack_start(top_box, False, False)
self.vbox.pack_start(self.hbox, True, True)
labels = {
0:_("20Hz"),
1:_("45Hz"),
2:_("90Hz"),
3:_("200Hz"),
4:_("430Hz"),
5:_("930Hz"),
6:_("2KHz"),
7:_("4.3KHz"),
8:_("9.3KHz"),
9:_("20KHz")
}
self.__scales = {}
for i in range(0, 10):
try : value = float(config.get("plugins", "equalizer-band%s" % str(i)))
except : value = 0.0
adjust = gtk.Adjustment(value=value, lower= -24, upper=12, step_incr=0.1, page_incr=1, page_size=0)
adjust.changed_id = adjust.connect("value-changed", self.__on_adjust_change, i)
vs = gtk.VScale(adjust)
vs.set_draw_value(False)
vs.set_inverted(True)
vs.set_update_policy(gtk.UPDATE_CONTINUOUS)
self.__scales[i] = vs
bvs = gtk.VBox()
bvs.pack_start(vs, True, True)
label = gtk.Label("<small>" + utils.xmlescape(labels[i]) + "</small>")
label.set_use_markup(True)
bvs.pack_start(label, False, False)
self.hbox.pack_start(bvs, True, True)
db = gtk.Label("<small>" + utils.xmlescape(_("12 dB\n\n\n0dB\n\n\n\n\n-24 dB")) + "</small>")
db.set_use_markup(True)
db_empty = gtk.Label("<small> </small>")
db_empty.set_use_markup(True)
bvs = gtk.VBox()
bvs.pack_start(db, True, True)
bvs.pack_start(db_empty, True, True)
self.hbox.pack_start(bvs, True, True)
self.__edit_check()
self.show_all()
self.run()
self.destroy()
def __on_adjust_change(self, adjust, i):
config.set("plugins", "equalizer-band%s" % str(i), str(adjust.get_value()))
self.__select_name()
def __select_name(self):
values = []
for i in range(0, 10):
try : value = int(float(config.get("plugins", "equalizer-band%s" % str(i))))
except : value = 0
values.append(str(value))
values = ":".join(values)
for name, value in COMBO_MANDATORY.iteritems():
name = value.split("<###>")[0]
value = value.split("<###>")[1].split(":")
value = ":".join([ str(int(float(v))) for v in value])
if value == values:
self.__combo.child.set_text(name)
self.__edit_check()
return
for opt in config.options("plugins"):
if opt.find("equalizer-pref-") == 0:
name = config.get("plugins", opt).split("<###>")[0]
value = config.get("plugins", opt).split("<###>")[1].split(":")
value = ":".join([ str(int(float(v))) for v in value])
if value == values:
self.__combo.child.set_text(name)
self.__edit_check()
return
self.__combo.child.set_text(COMBO_EMPTY_TEXT)
self.__edit_check()
def __save(self, *args):
text = self.__combo.get_active_text()
if text in COMBO_MANDATORY.keys(): return
values = []
for i in range(0, 10):
try : value = float(config.get("plugins", "equalizer-band%s" % str(i)))
except : value = 0.0
values.append(str(value))
self.logdebug("Try to save pref %s with %s", text, ":".join(values))
need_append = not config.has_option("plugins", "equalizer-pref-" + text)
try:
config.set("plugins", "equalizer-pref-" + text, text + "<###>" + ":".join(values))
except:
self.logexception("Failed to save pref %s with %s", text, ":".join(values))
else:
if need_append:
self.__combo.append_text(text)
self.__combo.show_all()
def __delete(self, *args):
text = self.__combo.get_active_text()
if text in COMBO_MANDATORY.keys(): return
try: config.remove_option("plugins", "equalizer-pref-" + text)
except: pass
else:
for i, name in enumerate(self.__combo.get_model()):
if name[0] == text:
self.__combo.remove_text(i)
break
def __change(self, *args):
text = self.__combo.get_active_text()
if text == COMBO_EMPTY_TEXT: return
if text in COMBO_MANDATORY.keys():
values = COMBO_MANDATORY[text]
self.__btndelete.set_sensitive(False)
self.__btnsave.set_sensitive(False)
else:
try:
values = config.get("plugins", "equalizer-pref-" + text)
self.__btndelete.set_sensitive(True)
self.__btnsave.set_sensitive(True)
except:
self.__combo.set_active(len(COMBO_MANDATORY.keys()) - 1)
return
values = values.split("<###>")[1].split(":")
for i, value in enumerate(values):
adj = self.__scales[i].get_adjustment()
adj.handler_block(adj.changed_id)
self.__scales[i].set_value(float(value))
config.set("plugins", "equalizer-band%s" % str(i), str(adj.get_value()))
adj.handler_unblock(adj.changed_id)
def __edit_check(self, *args):
text = self.__combo.get_active_text()
if text in COMBO_MANDATORY.keys():
self.__btndelete.set_sensitive(False)
self.__btnsave.set_sensitive(False)
else:
self.__btndelete.set_sensitive(True)
self.__btnsave.set_sensitive(True)
class Equalizer(GenericPlugin):
PLUGIN_NAME = "Equalizer"
PLUGIN_DESC = "Equalizer for listen"
PLUGIN_VERSION = "0.1"
PLUGIN_AUTHOR = "Mehdi ABAAKOUK <theli48@gmail.com>"
PLUGIN_WEBSITE = "http://www.listen-project.org"
def __init__(self):
super(Equalizer, self).__init__()
try:
self.__equalizer = gst.element_factory_make("equalizer-10bands")
except gst.PluginNotFoundError:
self.__equalizer = None
self.logerror("Equalizer support requires gstreamer-plugins-bad (>= 0.10.5)")
else:
Player.bin.xfade_add_filter(self.__equalizer)
for i in range(0, 10):
try : value = float(config.get("plugins", "equalizer-band%s" % str(i)))
except : value = 0
self.__equalizer.set_property("band" + str(i), float(value))
factory = gtk.IconFactory()
pb = gtk.gdk.pixbuf_new_from_file(get_xdg_pixmap_file("equalizer.png"))
factory.add("equalizer", gtk.IconSet(pb))
factory.add_default()
ActionManager.register_action("equalizer", 1, None, ("equalizer", self.open_equalizer), pack_end=True)
self.autoconnect(Player.bin, "tee-removed", self.__on_remove)
self.autoconnect(config, "config-changed", self.__on_config_change)
def __on_config_change(self, dispacher, section, option, value):
if section == "plugins" and option.find("equalizer-band") == 0:
band_name = option.replace("equalizer-", "")
self.__equalizer.set_property(band_name, float(value))
def __on_remove(self, bin, tee, element):
if element != self.__equalizer: return
self.__equalizer.set_state(gst.STATE_NULL)
self.__equalizer = None
super(Equalizer, self).destroy()
def delete_thyself(self):
if self.__equalizer:
Player.bin.xfade_remove_filter(self.__equalizer)
ActionManager.unregister_action("equalizer")
super(Equalizer, self).delete_thyself()
def open_equalizer(self, *args):
EqualizerDialog()
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