Audio: Better support for stereo channels
Also start to factorize Players and Channels, in preparation for the upcoming MPD support
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18c4be96dc
commit
ac8f0d942c
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@ -1,7 +1,6 @@
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# This python file use the following encoding: utf-8
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# This python file use the following encoding: utf-8
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import os
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import os
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import sys
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import dbus
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import dbus
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from urllib.parse import unquote as url_unquote
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from urllib.parse import unquote as url_unquote
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@ -24,14 +23,48 @@ __gadget_vapi__ = 2
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__gadget_opts__ = {'popup_on_desktop': True}
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__gadget_opts__ = {'popup_on_desktop': True}
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# def DBG(msg):
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def DBG(*args):
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# print("AUDIO: %s" % msg)
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import sys
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# sys.stdout.flush()
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print("AUDIO:", *args)
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sys.stdout.flush()
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_instance = None
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_instance = None
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class PlayerBase(object):
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""" Define the interface that players must implement """
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name = 'Player name'
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label = 'Player label'
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metadata = {} # metadata dict as per mpris2 specs
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playback_status = 'Stopped' # or 'Playing' or 'Paused'
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def play(self):
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raise NotImplemented
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def prev(self):
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raise NotImplemented
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def next(self):
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raise NotImplemented
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def rais(self):
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raise NotImplemented
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class ChannelBase(object):
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""" Define the interface that volume channels must implement """
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name = 'Channel name'
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volumes = [0.0, 0.0] # left/right channels, range: 0.0 - 1.0
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muted = True
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def volume_set(self, vols):
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raise NotImplemented
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def mute_toggle(self):
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raise NotImplemented
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class Gadget(e.Gadget):
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class Gadget(e.Gadget):
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def __init__(self):
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def __init__(self):
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@ -67,20 +100,21 @@ class Gadget(e.Gadget):
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def speaker_update(self, speaker):
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def speaker_update(self, speaker):
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if self.pulse and len(self.pulse.channels) > 0:
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if self.pulse and len(self.pulse.channels) > 0:
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ch = self.pulse.channels[0]
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ch = self.pulse.channels[0]
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left = right = ch.volume / 655
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left, right = ch.volumes[0] * 100, ch.volumes[1] * 100
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speaker.message_send(0, (ch.muted, left, right))
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speaker.message_send(0, (ch.muted, left, right))
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def speaker_wheel_cb(self, obj, sig, source):
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def speaker_wheel_cb(self, obj, sig, source):
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if self.pulse.channels:
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if self.pulse.channels:
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ch = self.pulse.channels[0]
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ch = self.pulse.channels[0]
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vol = ch.volume
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vol = (ch.volumes[0] + ch.volumes[1]) / 2
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if sig == 'mouse,wheel,0,1':
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if sig == 'mouse,wheel,0,1':
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new_vol = vol - 3000
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new_vol = vol - 0.03
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elif sig == 'mouse,wheel,0,-1':
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elif sig == 'mouse,wheel,0,-1':
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new_vol = vol + 3000
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new_vol = vol + 0.03
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else:
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else:
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return
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return
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ch.volume_set(min(max(0, new_vol), 65500))
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new_vol = min(max(0.0, new_vol), 1.0)
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ch.volume_set([new_vol, new_vol])
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def popup_created(self, elm_parent):
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def popup_created(self, elm_parent):
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# DBG("POPUP CREATED")
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# DBG("POPUP CREATED")
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@ -100,11 +134,11 @@ class Gadget(e.Gadget):
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main_box.data['players_box'] = players_box
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main_box.data['players_box'] = players_box
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main_box.data['volumes_box'] = volumes_box
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main_box.data['volumes_box'] = volumes_box
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# add all the available players to the popup edje box
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# add all the available mpris players to the popup edje box
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for player in self.mpris.players:
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for player in self.mpris.players:
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self.popup_player_add(main_box, player)
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self.popup_player_add(main_box, player)
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# add all the channel sliders
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# add all the pulse channels sliders
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if self.pulse.conn is not None:
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if self.pulse.conn is not None:
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for ch in self.pulse.channels:
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for ch in self.pulse.channels:
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self.popup_volume_add(main_box, ch)
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self.popup_volume_add(main_box, ch)
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@ -162,7 +196,7 @@ class Gadget(e.Gadget):
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self.player_objs[player].append(o)
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self.player_objs[player].append(o)
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def player_changed(self, player):
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def player_changed(self, player):
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# the mpris player has changed, update all the relative edje objects
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# the player has changed, update all the relative edje objects
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for o in self.player_objs.get(player, []):
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for o in self.player_objs.get(player, []):
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self.player_update(o, player)
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self.player_update(o, player)
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@ -213,11 +247,11 @@ class Gadget(e.Gadget):
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pass
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pass
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def popup_volume_add(self, popup, channel):
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def popup_volume_add(self, popup, channel):
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sl = elm.Slider(popup, text=channel.name, min_max=(0, 65500),
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sl = elm.Slider(popup, text=channel.name, min_max=(0.0, 1.0),
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span_size=150, indicator_show=False,
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span_size=150, indicator_show=False,
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size_hint_expand=EXPAND_HORIZ,
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size_hint_expand=EXPAND_HORIZ,
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size_hint_fill=FILL_HORIZ)
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size_hint_fill=FILL_HORIZ)
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sl.value = channel.volume
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sl.value = (channel.volumes[0] + channel.volumes[1]) / 2
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sl.disabled = True if channel.muted else False
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sl.disabled = True if channel.muted else False
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sl.callback_changed_add(self.popup_slider_changed_cb, channel)
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sl.callback_changed_add(self.popup_slider_changed_cb, channel)
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sl.callback_slider_drag_start_add(self.popup_slider_drag_start_cb)
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sl.callback_slider_drag_start_add(self.popup_slider_drag_start_cb)
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@ -236,7 +270,7 @@ class Gadget(e.Gadget):
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@staticmethod
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@staticmethod
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def popup_slider_changed_cb(slider, channel):
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def popup_slider_changed_cb(slider, channel):
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channel.volume_set(slider.value)
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channel.volume_set([slider.value, slider.value])
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@staticmethod
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@staticmethod
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def popup_slider_click_cb(slider, event, channel):
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def popup_slider_click_cb(slider, event, channel):
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@ -256,7 +290,7 @@ class Gadget(e.Gadget):
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if channel in self.channel_objs:
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if channel in self.channel_objs:
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for sl in self.channel_objs[channel]:
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for sl in self.channel_objs[channel]:
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if 'dragging' not in sl.data:
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if 'dragging' not in sl.data:
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sl.value = channel.volume
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sl.value = (channel.volumes[0] + channel.volumes[1]) / 2
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# update all the speakers
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# update all the speakers
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for speaker in self._instances:
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for speaker in self._instances:
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self.speaker_update(speaker)
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self.speaker_update(speaker)
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@ -318,7 +352,7 @@ class Mpris2_Client(object):
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break
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break
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class Mpris2_Player(object):
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class Mpris2_Player(PlayerBase):
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MAIN_IFACE = 'org.mpris.MediaPlayer2'
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MAIN_IFACE = 'org.mpris.MediaPlayer2'
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PLAYER_IFACE = 'org.mpris.MediaPlayer2.Player'
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PLAYER_IFACE = 'org.mpris.MediaPlayer2.Player'
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@ -362,21 +396,22 @@ class Mpris2_Player(object):
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self.proxy.Raise(dbus_interface=self.MAIN_IFACE)
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self.proxy.Raise(dbus_interface=self.MAIN_IFACE)
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class AudioChannel(object):
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class PulseAudioChannel(ChannelBase):
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def __init__(self, obj, iface, name, volume, muted):
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def __init__(self, obj, iface, name, volumes, muted):
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self.obj = obj
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self.obj = obj
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self.iface = iface
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self.iface = iface
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self.name = name
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self.name = name
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self.volume = int(volume[0])
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self.volumes = [float(volumes[0]) / 65536, float(volumes[1]) / 65536]
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self.muted = muted
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self.muted = muted
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# This do not work, only connection on the main pulse obj work...
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# This do not work, only connection on the main pulse obj work...
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# so for the moment dispatch the callback from there
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# so for the moment dispatch the callback from there
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# obj.connect_to_signal('VolumeUpdated', self.volume_changed_signal_cb)
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# obj.connect_to_signal('VolumeUpdated', self.volume_changed_signal_cb)
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def volume_set(self, value):
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def volume_set(self, vols): # values 0.0 - 1.0
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self.volume = value
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self.volumes = vols
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self.obj.Set(self.iface, 'Volume', [dbus.UInt32(value)],
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values = [dbus.UInt32(vols[0] * 65536), dbus.UInt32(vols[1] * 65536)]
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self.obj.Set(self.iface, 'Volume', values,
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dbus_interface=dbus.PROPERTIES_IFACE)
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dbus_interface=dbus.PROPERTIES_IFACE)
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def mute_toggle(self):
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def mute_toggle(self):
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@ -385,17 +420,13 @@ class AudioChannel(object):
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dbus_interface=dbus.PROPERTIES_IFACE)
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dbus_interface=dbus.PROPERTIES_IFACE)
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def volume_changed_signal_cb(self, volume):
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def volume_changed_signal_cb(self, volume):
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self.volume = int(volume[0])
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self.volumes = [volume[0] / 65536, volume[1] / 65536]
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_instance.volume_changed(self)
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_instance.volume_changed(self)
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def mute_changed_signal_cb(self, muted):
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def mute_changed_signal_cb(self, muted):
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self.muted = muted
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self.muted = muted
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_instance.mute_changed(self)
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_instance.mute_changed(self)
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def __str__(self):
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return '[%s]: "%s" volume: %s' % \
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(self.iface.split('.')[-1], self.name, self.volume[:])
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class PulseAudio_Client(object):
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class PulseAudio_Client(object):
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PULSE_OBJ = '/org/pulseaudio/core1'
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PULSE_OBJ = '/org/pulseaudio/core1'
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@ -541,8 +572,8 @@ class PulseAudio_Client(object):
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def stream_add(self, obj_path):
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def stream_add(self, obj_path):
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try:
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try:
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obj = self.conn.get_object(self.STREAM_IFACE, obj_path)
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obj = self.conn.get_object(self.STREAM_IFACE, obj_path)
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volume = obj.Get(self.STREAM_IFACE, 'Volume',
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volumes = obj.Get(self.STREAM_IFACE, 'Volume',
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dbus_interface=dbus.PROPERTIES_IFACE)
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dbus_interface=dbus.PROPERTIES_IFACE)
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mute = obj.Get(self.STREAM_IFACE, 'Mute',
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mute = obj.Get(self.STREAM_IFACE, 'Mute',
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dbus_interface=dbus.PROPERTIES_IFACE)
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dbus_interface=dbus.PROPERTIES_IFACE)
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props = obj.Get(self.STREAM_IFACE, 'PropertyList',
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props = obj.Get(self.STREAM_IFACE, 'PropertyList',
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@ -555,7 +586,7 @@ class PulseAudio_Client(object):
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except:
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except:
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name = 'Unknown app'
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name = 'Unknown app'
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ch = AudioChannel(obj, self.STREAM_IFACE, name, volume, mute)
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ch = PulseAudioChannel(obj, self.STREAM_IFACE, name, volumes, mute)
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self.channels.append(ch)
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self.channels.append(ch)
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_instance.channel_added(ch)
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_instance.channel_added(ch)
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return ch
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return ch
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@ -563,8 +594,8 @@ class PulseAudio_Client(object):
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def sink_add(self, obj_path):
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def sink_add(self, obj_path):
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try:
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try:
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obj = self.conn.get_object(self.DEVICE_IFACE, obj_path)
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obj = self.conn.get_object(self.DEVICE_IFACE, obj_path)
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volume = obj.Get(self.DEVICE_IFACE, 'Volume',
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volumes = obj.Get(self.DEVICE_IFACE, 'Volume',
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dbus_interface=dbus.PROPERTIES_IFACE)
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dbus_interface=dbus.PROPERTIES_IFACE)
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mute = obj.Get(self.DEVICE_IFACE, 'Mute',
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mute = obj.Get(self.DEVICE_IFACE, 'Mute',
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dbus_interface=dbus.PROPERTIES_IFACE)
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dbus_interface=dbus.PROPERTIES_IFACE)
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props = obj.Get(self.DEVICE_IFACE, 'PropertyList',
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props = obj.Get(self.DEVICE_IFACE, 'PropertyList',
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@ -580,7 +611,7 @@ class PulseAudio_Client(object):
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except:
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except:
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name = 'Unknown device'
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name = 'Unknown device'
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ch = AudioChannel(obj, self.DEVICE_IFACE, name, volume, mute)
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ch = PulseAudioChannel(obj, self.DEVICE_IFACE, name, volumes, mute)
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self.channels.append(ch)
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self.channels.append(ch)
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_instance.channel_added(ch)
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_instance.channel_added(ch)
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return ch
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return ch
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