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Pulseaudio: Display/control active sink

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Make sink a property which checks which sink is currently active.
Use pactl to control volumes which gets standard insalled with libpulse
which is already a requirement.
This commit is contained in:
Jo De Boeck 2016-03-23 20:35:09 +02:00
parent 0b49c4058a
commit b711ba96ed
1 changed files with 19 additions and 19 deletions
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38
i3pystatus/pulseaudio/__init__.py
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@ -6,6 +6,7 @@ from .pulse import *
from i3pystatus.core.command import execute from i3pystatus.core.command import execute
from i3pystatus import Module from i3pystatus import Module
import subprocess
class PulseAudio(Module, ColorRangeModule): class PulseAudio(Module, ColorRangeModule):
@ -79,9 +80,6 @@ class PulseAudio(Module, ColorRangeModule):
self.colors = self.get_hex_color_range(self.color_muted, self.color_unmuted, 100) self.colors = self.get_hex_color_range(self.color_muted, self.color_unmuted, 100)
# Check that we have amixer for toggling mute/unmute and incrementing/decrementing volume
self.has_amixer = shutil.which('amixer') is not None
def request_update(self, context): def request_update(self, context):
"""Requests a sink info update (sink_info_cb is called)""" """Requests a sink info update (sink_info_cb is called)"""
pa_operation_unref(pa_context_get_sink_info_by_name( pa_operation_unref(pa_context_get_sink_info_by_name(
@ -90,12 +88,24 @@ class PulseAudio(Module, ColorRangeModule):
def success_cb(self, context, success, userdata): def success_cb(self, context, success, userdata):
pass pass
@property
def sink(self):
sinks = subprocess.Popen(['pactl', 'list', 'short', 'sinks'], stdout=subprocess.PIPE).stdout.read()
bestsink = None
state = b'DEFAULT'
for sink in sinks.splitlines():
attribs = sink.split()
if attribs[-1] == b'RUNNING':
bestsink = attribs[1]
state = 'RUNNING'
elif attribs[-1] == b'IDLE' and state == b'DEFAULT':
bestsink = attribs[1]
state = b'IDLE'
return bestsink
def server_info_cb(self, context, server_info_p, userdata): def server_info_cb(self, context, server_info_p, userdata):
"""Retrieves the default sink and calls request_update""" """Retrieves the default sink and calls request_update"""
server_info = server_info_p.contents server_info = server_info_p.contents
self.sink = server_info.default_sink_name
self.request_update(context) self.request_update(context)
def context_notify_cb(self, context, _): def context_notify_cb(self, context, _):
@ -166,20 +176,10 @@ class PulseAudio(Module, ColorRangeModule):
} }
def switch_mute(self): def switch_mute(self):
if self.has_amixer: subprocess.Popen(['pactl', 'set-sink-mute', self.sink, "toggle"])
command = "amixer -q -D pulse sset Master "
if self.currently_muted:
command += 'unmute'
else:
command += 'mute'
execute(command)
def increase_volume(self): def increase_volume(self):
if self.has_amixer: subprocess.Popen(['pactl', 'set-sink-volume', self.sink, "+%s%%" % self.step])
command = "amixer -q -D pulse sset Master %s%%+" % self.step
execute(command)
def decrease_volume(self): def decrease_volume(self):
if self.has_amixer: subprocess.Popen(['pactl', 'set-sink-volume', self.sink, "-%s%%" % self.step])
command = "amixer -q -D pulse sset Master %s%%-" % self.step
execute(command)