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from collections import namedtuple
import pacmd
class Sink:
def __init__(self, pitem):
assert type(pitem) == pacmd.Item
self._i = pitem
def name(self):
return self._i.ch["name"].value
def description(self):
return self._i.ch["properties"].ch["device.description"].value
def default(self):
return self._i.default
def index(self):
return self._i.index
def state(self):
return self._i.ch["state"].value
def muted(self):
return _parse_muted(self._i)
def volume(self):
return _parse_volume(self._i)
def set_volume(self, vol):
assert type(vol) == float or type(vol) == int
vol = round(vol * _get_maxvol(self._i))
pacmd.pacmd("set-sink-volume", str(self.index()), str(vol))
def set_default(self):
pacmd.pacmd("set-default-sink", str(self.index()))
class SinkInput:
def __init__(self, pitem):
assert type(pitem) == pacmd.Item
self._i = pitem
def name(self):
name = self._i.ch["properties"].ch["media.name"].value
if "application.process.binary" in self._i.ch["properties"].ch:
name += " (" + self._i.ch["properties"].ch["application.process.binary"].value + ")"
return name
def default(self):
return self._i.default
def index(self):
return self._i.index
def driver(self):
return self._i.ch["driver"].value
def sink(self):
return int(self._i.ch["sink"].value.split()[0])
def muted(self):
return _parse_muted(self._i)
def volume(self):
return _parse_volume(self._i)
def set_volume(self, vol):
assert type(vol) == float or type(vol) == int
vol = round(vol * _get_maxvol(self._i))
pacmd.pacmd("set-sink-input-volume", str(self.index()), str(vol))
def move_to_sink(self, idx):
assert type(idx) == int
pacmd.pacmd("move-sink-input", str(self.index()), str(idx))
def _get_maxvol(item):
if "base volume" in item.ch:
return int(item.ch["base volume"].value.split("/")[0].strip())
else:
return 65536
def _parse_volume(item):
vol = [int(x.split(":")[1].split("/")[0].strip())
for x in item.ch["volume"].value[0].split(",")]
maxvol = _get_maxvol(item)
return [v / maxvol for v in vol]
def _parse_muted(item):
if item.ch["muted"].value == "yes": return True
elif item.ch["muted"].value == "no": return False
else: assert False
def list_sinks():
res = pacmd.list_sinks()
assert len(res.sections) == 1
assert res.sections[0].name == "sink"
return [Sink(item) for item in res.sections[0].items]
def list_sink_inputs():
res = pacmd.list_sink_inputs()
assert len(res.sections) == 1
assert res.sections[0].name == "input"
return [SinkInput(item) for item in res.sections[0].items]
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