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audio.py
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audio.py
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# =============================================================================
# Module: audio.py
# Contacts: Edward Li (drawdeil@gmail.com)
# =============================================================================
"""___DESC___
"""
# =============================================================================
# IMPORTS
# =============================================================================
import subprocess
# =============================================================================
# CLASSES
# =============================================================================
class Audio(object):
# =========================================================================
def __init__(self):
self._devices = list()
self._device = Device()
args = 'pacmd list-sources'
popen = subprocess.Popen(args, shell=True,
stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
device = Device()
for line in popen.stdout:
line = line.strip()
if line.startswith('name: '):
device.name = line.split(':', 1)[1].strip()
elif line.startswith('device.api = '):
device.api = line.split('=', 1)[1].strip().strip('"')
elif line.startswith('alsa.subdevice = '):
device.subdevice = line.split('=', 1)[1].strip().strip('"')
elif line.startswith('alsa.card = '):
device.card = line.split('=', 1)[1].strip().strip('"')
elif line.startswith('device.description = '):
device.description = line.split('=', 1)[1].strip().strip('"')
if device.name.startswith('<alsa_input.') and \
device.api and device.subdevice and device.card and \
device.description:
if device not in self._devices:
self._devices.append(device)
device = Device()
# =========================================================================
def deviceSet(self, index):
self._device = self.devices[index]
# =========================================================================
@property
def devices(self):
return self._devices
# =========================================================================
@property
def device(self):
return self._device
# =============================================================================
class Device(object):
# =========================================================================
def __init__(self, name=None, api=None, subdevice=None, card=None,
description=None):
self._name = name
self._api = api
self._subdevice = subdevice
self._card = card
self._description = description
# =========================================================================
@property
def source(self):
return 'plughw:{c},{s}'.format(c=self.card, s=self.subdevice)
# =========================================================================
@property
def name(self):
return self._name
# =========================================================================
@name.setter
def name(self, value):
self._name = value
# =========================================================================
@property
def api(self):
return self._api
# =========================================================================
@api.setter
def api(self, value):
self._api = value
# =========================================================================
@property
def subdevice(self):
return self._subdevice
# =========================================================================
@subdevice.setter
def subdevice(self, value):
self._subdevice = value
# =========================================================================
@property
def card(self):
return self._card
# =========================================================================
@card.setter
def card(self, value):
self._card = value
# =========================================================================
@property
def description(self):
return self._description
# =========================================================================
@description.setter
def description(self, value):
self._description = value
# =============================================================================