def add_ui(self, plugin, shell):
self.drcDlg = DRCDlg(self)
print("starting add_ui")
action_group = ActionGroup(shell, 'DRCActionGroup')
action_group.add_action(func=self.drcDlg.show_ui,
action_name='DRC', label=('_DRC'),
action_type='app')
self._appshell = ApplicationShell(shell)
self._appshell.insert_action_group(action_group)
self._appshell.add_app_menuitems(ui_string, 'DRCActionGroup')
print("add_ui done")
def add_ui(self, plugin, shell):
self.drcDlg = DRCDlg(self)
print("starting add_ui")
action_group = ActionGroup(shell, 'DRCActionGroup')
action_group.add_action(func=self.drcDlg.show_ui,
action_name='DRC', label=('_DRC'),
action_type='app')
self._appshell = ApplicationShell(shell)
self._appshell.insert_action_group(action_group)
self._appshell.add_app_menuitems(ui_string, 'DRCActionGroup')
print("add_ui done")
class DRCPlugin(GObject.Object, Peas.Activatable):
object = GObject.property(type=GObject.Object)
def __init__(self):
super(DRCPlugin, self).__init__()
def set_kernel(self, filter_array):
hasMultiKernel = True
try:
self.fir_filter.set_property('multi-channel-kernel', filter_array)
except Exception as inst:
print((
'setting multi chanel filter: attempting to set single kernel',
sys.exc_info()[0], type(inst), inst))
hasMultiKernel = False
self.fir_filter.set_property('kernel', filter_array[0])
pass
print("kernel set")
return hasMultiKernel
def updateFilter(self, filterFileName=None):
aCfg = DRCConfig()
if filterFileName is None:
filterFileName = aCfg.filterFile
if aCfg.FIRFilterMode == 1:
#gstFIR
self.set_filter()
hasMultiKernel = False
try:
source = self.shell_player.get_playing_source()
self.shell_player.pause()
audioParams = DRCFileTool.LoadAudioFile(filterFileName,
aCfg.numFilterChanels)
filter_array = audioParams.data
# pass the filter data to the fir filter
num_filter_coeff = len(filter_array)
if num_filter_coeff > 0:
hasMultiKernel = self.set_kernel(filter_array)
self.set_filter()
if self.entry is not None:
self.shell_player.play_entry(self.entry, source)
except Exception as inst:
print(('error updating filter', sys.exc_info()[0], type(inst),
inst))
pass
return hasMultiKernel
elif aCfg.FIRFilterMode == 1:
#bruteFIF
self.remove_Filter()
else:
#None : disable all filtering
self.remove_Filter()
return True
def do_activate(self):
try:
self.duration = 0
self.entry = None
self.selfAllowTriggered = False
self.filterSet = False
self.shell = self.object
self.shell_player = self.shell.props.shell_player
self.player = self.shell_player.props.player
self.fir_filter = Gst.ElementFactory.make('audiofirfilter',
'MyFIRFilter')
# open filter files
self.hasMultiKernel = self.updateFilter()
# print( str(dir( self.shell.props)) )
except Exception as inst:
print('filter not set', sys.exc_info()[0], type(inst), inst)
pass
self.psc_id = self.shell_player.connect('playing-song-changed',
self.playing_song_changed)
# no possible workaround as somehow never reaches end of song :(
self.shell_player.connect('elapsed-changed', self.elapsed_changed)
# finally add UI
self.add_ui(self, self.shell)
def add_ui(self, plugin, shell):
self.drcDlg = DRCDlg(self)
print("starting add_ui")
action_group = ActionGroup(shell, 'DRCActionGroup')
action_group.add_action(func=self.drcDlg.show_ui,
action_name='DRC', label=('_DRC'),
action_type='app')
self._appshell = ApplicationShell(shell)
self._appshell.insert_action_group(action_group)
self._appshell.add_app_menuitems(ui_string, 'DRCActionGroup')
print("add_ui done")
def set_filter(self):
try:
if not self.filterSet:
print('adding filter')
self.player.add_filter(self.fir_filter)
print('done setting filter')
self.filterSet = True
except Exception as inst:
print('unexpected exception', sys.exc_info()[0], type(inst), inst)
pass
def remove_Filter(self):
try:
if self.filterSet:
self.player.remove_filter(self.fir_filter)
print('filter disabled')
self.filterSet = False
except:
pass
def do_deactivate(self):
print('entering do_deactivate')
self.shell_player.disconnect(self.psc_id)
try:
self.remove_Filter()
self._appshell.cleanup()
except:
pass
del self.shell_player
del self.shell
del self.fir_filter
def elapsed_changed(self, sp, elapsed):
# workaround due to FIR filter issues during playing back multiple
# songs
# switching as well as new song select in UI seems to fix that
# print("elapsed : " + str(elapsed) )
diff = self.duration - elapsed
# print("diff : " + str(diff))
# allowing self triggered skip forth and back after last 15 seconds
# to bad that diff is unreliable.. no idea why 0 never marks the
# real end
if self.duration < 1:
return
if diff <= 15 and diff > -1:
print("end of song reached : allow triggering")
self.selfAllowTriggered = True
self.duration = 0
else:
self.selfAllowTriggered = False
def playing_song_changed(self, sp, entry):
self.duration = sp.get_playing_song_duration()
self.entry = entry
# print("playing song duration: " + str(self.duration))
if entry is None or not self.selfAllowTriggered:
return
# workaround due to FIR filter issues during playing back multiple
# songs
# switching as well as new song select in UI seems to fix that
'''TODO: this will fail for manually selecting last song in list in UI
clean way would be to check has-prev/has-next but seems to be
useless:
returns true even if no son is previous in current UI list...
'''
source = sp.get_playing_source()
sp.stop()
sp.play_entry(entry, source)
self.selfAllowTriggered = False
def find_file(self, filename):
info = self.plugin_info
data_dir = info.get_data_dir()
path = os.path.join(data_dir, filename)
if os.path.exists(path):
return path
return RB.file(filename)
class DRCPlugin(GObject.Object, Peas.Activatable):
object = GObject.property(type=GObject.Object)
def __init__(self):
super(DRCPlugin, self).__init__()
def set_kernel(self, filter_array):
hasMultiKernel = True
try:
self.fir_filter.set_property('multi-channel-kernel', filter_array)
except Exception as inst:
print((
'setting multi chanel filter: attempting to set single kernel',
sys.exc_info()[0], type(inst), inst))
hasMultiKernel = False
self.fir_filter.set_property('kernel', filter_array[0])
pass
print("kernel set")
return hasMultiKernel
def updateFilter(self, filterFileName=None):
aCfg = DRCConfig()
if filterFileName is None:
filterFileName = aCfg.filterFile
if aCfg.FIRFilterMode == 1:
#gstFIR
self.set_filter()
hasMultiKernel = False
try:
source = self.shell_player.get_playing_source()
self.shell_player.pause()
#in case of a multichannel kernel with > 2 channels only
#the first 2 channels shall be used for gstreamer filtering
#as gstreamer FIR only supports at maximum 2 channels
audioParams = DRCFileTool.LoadAudioFileStereoChannels(
filterFileName, aCfg.numFilterChanels, 2)
filter_array = audioParams.data
# pass the filter data to the fir filter
num_filter_coeff = len(filter_array)
if num_filter_coeff > 0:
hasMultiKernel = self.set_kernel(filter_array)
self.set_filter()
if self.entry is not None:
self.shell_player.play_entry(self.entry, source)
except Exception as inst:
print(('error updating filter', sys.exc_info()[0], type(inst),
inst))
pass
return hasMultiKernel
elif aCfg.FIRFilterMode == 2:
#bruteFIF
#nothing ToDO
self.remove_Filter()
else:
#None : disable all filtering
self.remove_Filter()
return True
def do_activate(self):
try:
self.duration = 0
self.entry = None
self.selfAllowTriggered = False
self.filterSet = False
self.shell = self.object
self.shell_player = self.shell.props.shell_player
self.player = self.shell_player.props.player
self.fir_filter = Gst.ElementFactory.make('audiofirfilter',
'MyFIRFilter')
# open filter files
self.hasMultiKernel = self.updateFilter()
# print( str(dir( self.shell.props)) )
except Exception as inst:
print(('filter not set', sys.exc_info()[0], type(inst), inst))
pass
aCfg = DRCConfig()
if aCfg.FIRFilterMode == 1:
#only for gst-FIR filter the skip-workaround is needed
self.psc_id = self.shell_player.connect('playing-song-changed',
self.playing_song_changed)
# no possible workaround as somehow never reaches end of song :(
self.shell_player.connect('elapsed-changed', self.elapsed_changed)
# finally add UI
self.add_ui(self, self.shell)
def add_ui(self, plugin, shell):
self.drcDlg = DRCDlg(self)
print("starting add_ui")
action_group = ActionGroup(shell, 'DRCActionGroup')
action_group.add_action(func=self.drcDlg.show_ui,
action_name='DRC', label=('_DRC'),
action_type='app')
self._appshell = ApplicationShell(shell)
self._appshell.insert_action_group(action_group)
self._appshell.add_app_menuitems(ui_string, 'DRCActionGroup')
print("add_ui done")
def set_filter(self):
try:
if not self.filterSet:
print('adding filter')
self.player.add_filter(self.fir_filter)
print('done setting filter')
self.filterSet = True
except Exception as inst:
print(('unexpected exception', sys.exc_info()[0], type(inst), inst))
pass
def remove_Filter(self):
try:
if self.filterSet:
self.player.remove_filter(self.fir_filter)
print('filter disabled')
self.filterSet = False
except:
pass
def do_deactivate(self):
print('entering do_deactivate')
self.shell_player.disconnect(self.psc_id)
try:
self.remove_Filter()
self._appshell.cleanup()
except:
pass
del self.shell_player
del self.shell
del self.fir_filter
def elapsed_changed(self, sp, elapsed):
# workaround due to FIR filter issues during playing back multiple
# songs
# switching as well as new song select in UI seems to fix that
# print("elapsed : " + str(elapsed) )
diff = self.duration - elapsed
# print("diff : " + str(diff))
# allowing self triggered skip forth and back after last 15 seconds
# to bad that diff is unreliable.. no idea why 0 never marks the
# real end
if self.duration < 1:
return
if diff <= 15 and diff > -1:
print("end of song reached : allow triggering")
self.selfAllowTriggered = True
self.duration = 0
else:
self.selfAllowTriggered = False
def change_song_timer(self, sp, entry):
print("timer elapsed - perform start/play")
source = sp.get_playing_source()
sp.stop()
sp.play_entry(entry, source)
self.selfAllowTriggered = False
def playing_song_changed(self, sp, entry):
self.duration = sp.get_playing_song_duration()
# print("playing song duration: " + str(self.duration))
if entry is None or not self.selfAllowTriggered:
return
# workaround due to FIR filter issues during playing back multiple
# songs
# switching as well as new song select in UI seems to fix that
'''TODO: this will fail for manually selecting last song in list in UI
clean way would be to check has-prev/has-next but seems to be
useless:
returns true even if no son is previous in current UI list...
'''
t = Timer(1.5, self.change_song_timer, args=[sp,entry])
t.start()
print("timer done")
def find_file(self, filename):
info = self.plugin_info
data_dir = info.get_data_dir()
path = os.path.join(data_dir, filename)
if os.path.exists(path):
return path
return RB.file(filename)
