mirror of
https://github.com/alsa-project/alsa-tools.git
synced 2025-10-29 05:40:25 -04:00
hwmixvolume: use four spaces instead of one tab for indent
This is the recommended coding style for all Python programs, as specified in PEP-0008[1]. [1] https://www.python.org/dev/peps/pep-0008/ Signed-off-by: Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> Reviewed-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Emmanuel Gil Peyrot
Takashi Iwai
parent
235d9c5e83
commit
50e9ac4e81
1 changed files with 241 additions and 241 deletions
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@ -26,285 +26,285 @@ EVENT_INFO = alsahcontrol.event_mask['INFO']
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EVENT_REMOVE = alsahcontrol.event_mask_remove
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class Stream:
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def __init__(self, element, parent):
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self.element = element
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self.element.set_callback(self)
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self.parent = parent
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self.label = None
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self.scales = []
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self.adjustments = []
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self.callback(self.element, EVENT_INFO)
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def __init__(self, element, parent):
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self.element = element
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self.element.set_callback(self)
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self.parent = parent
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self.label = None
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self.scales = []
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self.adjustments = []
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self.callback(self.element, EVENT_INFO)
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def destroy(self):
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self.deactivate()
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def destroy(self):
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self.deactivate()
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def callback(self, e, mask):
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if mask == EVENT_REMOVE:
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self.deactivate()
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elif (mask & EVENT_INFO) != 0:
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info = alsahcontrol.Info(self.element)
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if info.is_inactive:
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self.deactivate()
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else:
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self.activate()
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elif (mask & EVENT_VALUE) != 0:
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self.update_scales_from_ctl()
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def callback(self, e, mask):
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if mask == EVENT_REMOVE:
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self.deactivate()
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elif (mask & EVENT_INFO) != 0:
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info = alsahcontrol.Info(self.element)
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if info.is_inactive:
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self.deactivate()
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else:
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self.activate()
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elif (mask & EVENT_VALUE) != 0:
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self.update_scales_from_ctl()
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def activate(self):
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if self.label:
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return
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info = alsahcontrol.Info(self.element)
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value = alsahcontrol.Value(self.element)
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value.read()
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values = value.get_tuple(TYPE_INTEGER, info.count)
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self.label = gtk.Label(self.get_label(info))
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self.label.set_single_line_mode(True)
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self.parent.scales_vbox.pack_start(self.label, expand=False)
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for i in range(info.count):
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adj = gtk.Adjustment(value=values[i],
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lower=info.min, upper=info.max,
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step_incr=1,
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page_incr=(info.max-info.min+1)/8)
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adj.connect('value-changed', self.update_ctl_from_scale, i)
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scale = gtk.HScale(adj)
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scale.set_draw_value(False)
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self.parent.scales_vbox.pack_start(scale, expand=False)
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self.scales.append(scale)
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self.adjustments.append(adj)
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self.parent.scales_vbox.show_all()
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self.parent.update_msg_label()
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def activate(self):
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if self.label:
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return
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info = alsahcontrol.Info(self.element)
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value = alsahcontrol.Value(self.element)
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value.read()
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values = value.get_tuple(TYPE_INTEGER, info.count)
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self.label = gtk.Label(self.get_label(info))
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self.label.set_single_line_mode(True)
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self.parent.scales_vbox.pack_start(self.label, expand=False)
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for i in range(info.count):
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adj = gtk.Adjustment(value=values[i],
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lower=info.min, upper=info.max,
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step_incr=1,
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page_incr=(info.max-info.min+1)/8)
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adj.connect('value-changed', self.update_ctl_from_scale, i)
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scale = gtk.HScale(adj)
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scale.set_draw_value(False)
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self.parent.scales_vbox.pack_start(scale, expand=False)
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self.scales.append(scale)
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self.adjustments.append(adj)
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self.parent.scales_vbox.show_all()
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self.parent.update_msg_label()
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def deactivate(self):
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if not self.label:
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return
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self.label.destroy()
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for s in self.scales:
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s.destroy()
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self.label = None
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self.scales = []
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self.adjustments = []
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self.parent.update_msg_label()
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def deactivate(self):
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if not self.label:
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return
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self.label.destroy()
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for s in self.scales:
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s.destroy()
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self.label = None
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self.scales = []
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self.adjustments = []
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self.parent.update_msg_label()
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def update_scales_from_ctl(self):
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if not self.label:
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return
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count = len(self.adjustments)
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value = alsahcontrol.Value(self.element)
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value.read()
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values = value.get_tuple(TYPE_INTEGER, count)
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for i in range(count):
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self.adjustments[i].set_value(values[i])
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def update_scales_from_ctl(self):
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if not self.label:
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return
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count = len(self.adjustments)
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value = alsahcontrol.Value(self.element)
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value.read()
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values = value.get_tuple(TYPE_INTEGER, count)
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for i in range(count):
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self.adjustments[i].set_value(values[i])
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def update_ctl_from_scale(self, adj, index):
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scale_value = adj.get_value()
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value_to_set = int(round(adj.get_value()))
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count = len(self.adjustments)
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value = alsahcontrol.Value(self.element)
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if self.parent.lock_check.get_active():
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values = [value_to_set for i in range(count)]
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else:
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value.read()
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values = value.get_array(TYPE_INTEGER, count)
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values[index] = value_to_set
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value.set_array(TYPE_INTEGER, values)
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value.write()
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if value_to_set != scale_value:
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adj.set_value(value_to_set)
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def update_ctl_from_scale(self, adj, index):
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scale_value = adj.get_value()
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value_to_set = int(round(adj.get_value()))
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count = len(self.adjustments)
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value = alsahcontrol.Value(self.element)
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if self.parent.lock_check.get_active():
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values = [value_to_set for i in range(count)]
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else:
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value.read()
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values = value.get_array(TYPE_INTEGER, count)
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values[index] = value_to_set
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value.set_array(TYPE_INTEGER, values)
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value.write()
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if value_to_set != scale_value:
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adj.set_value(value_to_set)
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def get_label(self, info):
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pid = self.get_pid(info)
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if pid:
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cmdline = self.get_pid_cmdline(pid)
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if cmdline:
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return cmdline
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else:
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return "PID %d" % pid
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else:
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name = info.name
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if name[-7:] == " Volume":
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name = name[:-7]
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if name[-9:] == " Playback":
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name = name[:-9]
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return name
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def get_label(self, info):
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pid = self.get_pid(info)
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if pid:
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cmdline = self.get_pid_cmdline(pid)
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if cmdline:
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return cmdline
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else:
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return "PID %d" % pid
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else:
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name = info.name
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if name[-7:] == " Volume":
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name = name[:-7]
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if name[-9:] == " Playback":
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name = name[:-9]
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return name
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def get_pid(self, info):
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card = self.parent.current_card
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device = info.device
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subdevice = info.subdevice
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if subdevice == 0:
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subdevice = info.index
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filename = "/proc/asound/card%d/pcm%dp/sub%d/status" % (card, device, subdevice)
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try:
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f = open(filename, "r")
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except IOError:
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return None
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try:
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for line in f.readlines():
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if line[:9] == "owner_pid":
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return int(line.split(':')[1].strip())
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finally:
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f.close()
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return None
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def get_pid(self, info):
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card = self.parent.current_card
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device = info.device
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subdevice = info.subdevice
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if subdevice == 0:
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subdevice = info.index
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filename = "/proc/asound/card%d/pcm%dp/sub%d/status" % (card, device, subdevice)
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try:
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f = open(filename, "r")
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except IOError:
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return None
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try:
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for line in f.readlines():
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if line[:9] == "owner_pid":
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return int(line.split(':')[1].strip())
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finally:
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f.close()
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return None
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def get_pid_cmdline(self, pid):
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try:
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f = open("/proc/%d/cmdline" % pid, "r")
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except IOError:
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return None
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try:
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cmdline = f.read()
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finally:
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f.close()
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return cmdline.replace('\x00', ' ').strip()
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def get_pid_cmdline(self, pid):
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try:
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f = open("/proc/%d/cmdline" % pid, "r")
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except IOError:
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return None
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try:
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cmdline = f.read()
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finally:
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f.close()
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return cmdline.replace('\x00', ' ').strip()
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class MixerWindow(gtk.Window):
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card_numbers = alsacard.card_list()
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current_card = -1
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hcontrol = None
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scales_vbox = None
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msg_label = None
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streams = []
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hctl_sources = []
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card_numbers = alsacard.card_list()
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current_card = -1
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hcontrol = None
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scales_vbox = None
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msg_label = None
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streams = []
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hctl_sources = []
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def __init__(self):
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gtk.Window.__init__(self)
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self.connect('destroy', lambda w: gtk.main_quit())
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self.set_title("Hardware Mixer Volumes")
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def __init__(self):
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gtk.Window.__init__(self)
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self.connect('destroy', lambda w: gtk.main_quit())
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self.set_title("Hardware Mixer Volumes")
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vbox = gtk.VBox()
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self.add(vbox)
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vbox = gtk.VBox()
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self.add(vbox)
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hbox = gtk.HBox()
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vbox.pack_start(hbox, expand=False)
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hbox = gtk.HBox()
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vbox.pack_start(hbox, expand=False)
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label = gtk.Label("_Sound Card: ")
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label.set_use_underline(True)
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hbox.pack_start(label, expand=False)
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label = gtk.Label("_Sound Card: ")
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label.set_use_underline(True)
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hbox.pack_start(label, expand=False)
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combo = gtk.combo_box_new_text()
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for i in self.card_numbers:
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str = "%d: %s" % (i, alsacard.card_get_name(i))
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combo.append_text(str)
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if len(self.card_numbers) > 0:
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combo.set_active(0)
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combo.connect('changed', lambda c: self.change_card(self.card_numbers[combo.get_active()]))
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hbox.pack_start(combo)
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label.set_mnemonic_widget(combo)
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combo = gtk.combo_box_new_text()
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for i in self.card_numbers:
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str = "%d: %s" % (i, alsacard.card_get_name(i))
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combo.append_text(str)
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if len(self.card_numbers) > 0:
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combo.set_active(0)
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combo.connect('changed', lambda c: self.change_card(self.card_numbers[combo.get_active()]))
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hbox.pack_start(combo)
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label.set_mnemonic_widget(combo)
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self.lock_check = gtk.CheckButton(label="_Lock Channels")
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self.lock_check.set_active(True)
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vbox.pack_start(self.lock_check, expand=False)
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self.lock_check = gtk.CheckButton(label="_Lock Channels")
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self.lock_check.set_active(True)
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vbox.pack_start(self.lock_check, expand=False)
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scrollwin = gtk.ScrolledWindow()
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scrollwin.set_policy(hscrollbar_policy=gtk.POLICY_NEVER, vscrollbar_policy=gtk.POLICY_AUTOMATIC)
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scrollwin.set_shadow_type(gtk.SHADOW_NONE)
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vbox.pack_start(scrollwin)
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scrollwin = gtk.ScrolledWindow()
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scrollwin.set_policy(hscrollbar_policy=gtk.POLICY_NEVER, vscrollbar_policy=gtk.POLICY_AUTOMATIC)
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scrollwin.set_shadow_type(gtk.SHADOW_NONE)
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vbox.pack_start(scrollwin)
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self.scales_vbox = gtk.VBox()
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scrollwin.add_with_viewport(self.scales_vbox)
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self.scales_vbox = gtk.VBox()
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scrollwin.add_with_viewport(self.scales_vbox)
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label = gtk.Label()
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label.set_single_line_mode(True)
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line_height = label.size_request()[1]
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label.destroy()
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scale = gtk.HScale()
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scale.set_draw_value(False)
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line_height += scale.size_request()[1]
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scale.destroy()
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# always have space for at least four sliders
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scrollwin.set_size_request(width=-1, height=line_height*4+4)
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label = gtk.Label()
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label.set_single_line_mode(True)
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line_height = label.size_request()[1]
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label.destroy()
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scale = gtk.HScale()
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scale.set_draw_value(False)
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line_height += scale.size_request()[1]
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scale.destroy()
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# always have space for at least four sliders
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scrollwin.set_size_request(width=-1, height=line_height*4+4)
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# TODO: select the default card or the first card with stream controls
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if len(self.card_numbers) > 0:
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self.change_card(self.card_numbers[0])
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self.update_msg_label()
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# TODO: select the default card or the first card with stream controls
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if len(self.card_numbers) > 0:
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self.change_card(self.card_numbers[0])
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self.update_msg_label()
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self.show_all()
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self.show_all()
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def change_card(self, cardnum):
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for s in self.hctl_sources:
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gobject.source_remove(s)
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self.hctl_sources = []
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def change_card(self, cardnum):
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for s in self.hctl_sources:
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gobject.source_remove(s)
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self.hctl_sources = []
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self.hcontrol = self.open_hcontrol_for_card(cardnum)
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self.hcontrol = self.open_hcontrol_for_card(cardnum)
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for s in self.streams:
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s.destroy()
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self.streams = []
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for s in self.streams:
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s.destroy()
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self.streams = []
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self.current_card = cardnum
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self.current_card = cardnum
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if not self.hcontrol:
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self.update_msg_label()
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return
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if not self.hcontrol:
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self.update_msg_label()
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return
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for id in self.hcontrol.list():
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if not self.is_stream_elem(id):
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continue
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elem = alsahcontrol.Element(self.hcontrol, id[0])
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info = alsahcontrol.Info(elem)
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if not self.is_stream_info(info):
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continue
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stream = Stream(elem, self)
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self.streams.append(stream)
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for id in self.hcontrol.list():
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if not self.is_stream_elem(id):
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continue
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elem = alsahcontrol.Element(self.hcontrol, id[0])
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info = alsahcontrol.Info(elem)
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if not self.is_stream_info(info):
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continue
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stream = Stream(elem, self)
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self.streams.append(stream)
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for fd,condition in self.hcontrol.poll_fds:
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self.hctl_sources.append(gobject.io_add_watch(fd, condition, self.hctl_io_callback))
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for fd,condition in self.hcontrol.poll_fds:
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self.hctl_sources.append(gobject.io_add_watch(fd, condition, self.hctl_io_callback))
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self.update_msg_label()
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self.update_msg_label()
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self.scales_vbox.show_all()
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self.scales_vbox.show_all()
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def update_msg_label(self):
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needs_msg = len(self.scales_vbox.get_children()) < 2
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has_msg = self.msg_label
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if has_msg and not needs_msg:
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self.msg_label.destroy()
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self.msg_label = None
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elif needs_msg:
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if len(self.streams) > 0:
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msg = "There are no open streams."
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else:
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msg = "This card does not have stream controls."
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if not has_msg:
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self.msg_label = gtk.Label(msg)
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self.scales_vbox.pack_start(self.msg_label)
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self.scales_vbox.show_all()
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elif self.msg_label.get_text() != msg:
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self.msg_label.set_text(msg)
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def update_msg_label(self):
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needs_msg = len(self.scales_vbox.get_children()) < 2
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has_msg = self.msg_label
|
||||
if has_msg and not needs_msg:
|
||||
self.msg_label.destroy()
|
||||
self.msg_label = None
|
||||
elif needs_msg:
|
||||
if len(self.streams) > 0:
|
||||
msg = "There are no open streams."
|
||||
else:
|
||||
msg = "This card does not have stream controls."
|
||||
if not has_msg:
|
||||
self.msg_label = gtk.Label(msg)
|
||||
self.scales_vbox.pack_start(self.msg_label)
|
||||
self.scales_vbox.show_all()
|
||||
elif self.msg_label.get_text() != msg:
|
||||
self.msg_label.set_text(msg)
|
||||
|
||||
def open_hcontrol_for_card(self, cardnum):
|
||||
devname = "hw:CARD=" + str(cardnum)
|
||||
try:
|
||||
hc = alsahcontrol.HControl(name=devname,
|
||||
mode=alsahcontrol.open_mode['NONBLOCK'])
|
||||
except:
|
||||
# TODO: alsa error msg
|
||||
dlg = gtk.MessageDialog(self,
|
||||
gtk.DIALOG_MODAL | gtk.DIALOG_DESTROY_WITH_PARENT,
|
||||
gtk.MESSAGE_ERROR, gtk.BUTTONS_OK,
|
||||
"Cannot open sound card control device.")
|
||||
dlg.run()
|
||||
dlg.destroy()
|
||||
return None
|
||||
return hc
|
||||
def open_hcontrol_for_card(self, cardnum):
|
||||
devname = "hw:CARD=" + str(cardnum)
|
||||
try:
|
||||
hc = alsahcontrol.HControl(name=devname,
|
||||
mode=alsahcontrol.open_mode['NONBLOCK'])
|
||||
except:
|
||||
# TODO: alsa error msg
|
||||
dlg = gtk.MessageDialog(self,
|
||||
gtk.DIALOG_MODAL | gtk.DIALOG_DESTROY_WITH_PARENT,
|
||||
gtk.MESSAGE_ERROR, gtk.BUTTONS_OK,
|
||||
"Cannot open sound card control device.")
|
||||
dlg.run()
|
||||
dlg.destroy()
|
||||
return None
|
||||
return hc
|
||||
|
||||
def is_stream_elem(self, id):
|
||||
return ((id[1] == INTF_PCM and
|
||||
id[4] in ("PCM Playback Volume", "EMU10K1 PCM Volume")) or
|
||||
(id[1] == INTF_MIXER and
|
||||
id[4] == "VIA DXS Playback Volume"))
|
||||
def is_stream_elem(self, id):
|
||||
return ((id[1] == INTF_PCM and
|
||||
id[4] in ("PCM Playback Volume", "EMU10K1 PCM Volume")) or
|
||||
(id[1] == INTF_MIXER and
|
||||
id[4] == "VIA DXS Playback Volume"))
|
||||
|
||||
def is_stream_info(self, info):
|
||||
return info.is_readable and info.is_writable and info.type == TYPE_INTEGER
|
||||
def is_stream_info(self, info):
|
||||
return info.is_readable and info.is_writable and info.type == TYPE_INTEGER
|
||||
|
||||
def hctl_io_callback(self, source, condition):
|
||||
self.hcontrol.handle_events()
|
||||
return True
|
||||
def hctl_io_callback(self, source, condition):
|
||||
self.hcontrol.handle_events()
|
||||
return True
|
||||
|
||||
def main():
|
||||
MixerWindow()
|
||||
gtk.main()
|
||||
MixerWindow()
|
||||
gtk.main()
|
||||
|
||||
main()
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue