def __init__(self, card_index, control, main_instance):
""" Constructor """
try:
self.main = main_instance
self.card_index = card_index
self.control = control
self.mixerlist = []
self.mixer = alsamixer.Mixer()
self.mixer.attach("hw:%d" % self.card_index)
self.mixer.load()
self.open()
self._has_capture()
self._check_version()
except Exception, err:
log.warn("can't open %s control for card %s, \
trying to select first available mixer channel\n" %
(self.control, self.get_card_name()))
try:
control = self.get_mixers(self.card_index)[0]
self.main.control = control
self.reopen(self.card_index, control)
self._has_capture()
self._check_version()
except Exception, err:
log.error("can't open first available control \
for card %s\nerror: %s" %
(self.get_card_name(), str(err)))
sys.exit(1)
def __init__(self, card_index, control, main_instance):
""" Constructor """
try:
self.main = main_instance
self.card_index = card_index
self.control = control
self.mixerlist=[]
self.mixer = alsamixer.Mixer()
self.mixer.attach("hw:%d" % self.card_index)
self.mixer.load()
self.open()
self._has_capture()
self._check_version()
except Exception, err:
log.warn("can't open %s control for card %s, \
trying to select first available mixer channel\n" % (
self.control, self.get_card_name()))
try:
control = self.get_mixers(self.card_index)[0]
self.main.control = control
self.reopen(self.card_index, control)
self._has_capture()
self._check_version()
except Exception, err:
log.error("can't open first available control \
for card %s\nerror: %s" % (
self.get_card_name(), str(err)))
sys.exit(1)
def _check_version(self):
""" Check pyalsaaudio version """
try:
assert hasattr(self.mixer, "polldescriptors")
except AssertionError:
log.error("This program needs pyalsaaudio 0.6 or higher")
sys.exit(1)
def _check_version(self):
try:
assert hasattr(self.mixer, "poll_fds")
except AssertionError:
log.error("This program needs pyalsa 1.0.23 or higher")
sys.exit(1)
def _check_version(self):
try:
assert hasattr(self.mixer, "poll_fds")
except AssertionError:
log.error("This program needs pyalsa 1.0.23 or higher")
sys.exit(1)
