def __init__(self, devices=None, filename=None, parent=None):
QObject.__init__(self, parent)
self.pullTimer = QTimer(self)
self.buf = QByteArray()
self.devices = devices
self.device = QAudioDeviceInfo.defaultOutputDevice()
self.generator = None
self.audioOutput = None
self.output = None
self.fmt = QAudioFormat()
self.pullMode = False
self.dump = filename
self._label = SUSPEND_LABEL
self.initializeAudio()
def __init__(self, devices=None, filename=None, parent=None):
QObject.__init__(self, parent)
self.pullTimer = QTimer(self)
self.buf = QByteArray()
self.devices = devices
self.device = QAudioDeviceInfo.defaultOutputDevice()
self.generator = None
self.audioOutput = None
self.output = None
self.fmt = QAudioFormat()
self.pullMode = False
self.dump = filename
self._label = SUSPEND_LABEL
self.initializeAudio()
def __init__(self, filename=None):
QMainWindow.__init__(self)
self.pullTimer = QTimer(self)
# Owned by layout
self.modeButton = None
self.suspendResumeButton = None
self.deviceBox = None
self.device = QAudioDeviceInfo.defaultOutputDevice()
self.generator = None
self.audioOutput = None
self.output = None
self.fmt = QAudioFormat()
self.pullMode = False
self.buf = QByteArray(BUFFER_SIZE, 0)
self.dump = filename
self.initializeWindow()
self.initializeAudio()
def initializeAudio(self):
self.pullTimer.timeout.connect(self.pullTimerExpired)
self.pullMode = True
self.fmt.setFrequency(DATA_FREQUENCY_HZ)
self.fmt.setChannels(1)
self.fmt.setSampleSize(16)
self.fmt.setCodec("audio/pcm")
self.fmt.setByteOrder(QAudioFormat.LittleEndian)
self.fmt.setSampleType(QAudioFormat.SignedInt)
info = QAudioDeviceInfo(QAudioDeviceInfo.defaultOutputDevice())
if not info.isFormatSupported(self.fmt):
print "Default format not supported - trying to use nearest"
self.fmt = info.nearestFormat(self.fmt)
self.generator = Generator(self.fmt, DURATION_SECONDS * 1000000, TONE_FREQUENCY_HZ, self, self.dump)
self.createAudioOutput()
def initializeAudio(self):
self.pullTimer.timeout.connect(self.pullTimerExpired)
self.pullMode = True
self.fmt.setFrequency(DATA_FREQUENCY_HZ)
self.fmt.setChannels(1)
self.fmt.setSampleSize(16)
self.fmt.setCodec('audio/pcm')
self.fmt.setByteOrder(QAudioFormat.LittleEndian)
self.fmt.setSampleType(QAudioFormat.SignedInt)
info = QAudioDeviceInfo(QAudioDeviceInfo.defaultOutputDevice())
if not info.isFormatSupported(self.fmt):
print 'Default format not supported - trying to use nearest'
self.fmt = info.nearestFormat(self.fmt)
self.generator = Generator(self.fmt, DURATION_SECONDS * 1000000,
TONE_FREQUENCY_HZ, self, self.dump)
self.createAudioOutput()
