class Sound(object):
def __init__(self, filename, volume):
super(Sound, self).__init__()
file = os.path.join(BASEDIR, 'sounds', filename)
self.volume = volume or 0
self.effect = QSoundEffect()
self.effect.setSource(QUrl.fromLocalFile(file))
def play(self, volume=None, loop=True):
volume = self.volume if volume is None else volume
self.effect.setLoopCount(0)
self.effect.setVolume(int(volume) / 100)
if loop:
self.effect.setLoopCount(QSoundEffect.Infinite)
else:
self.effect.setLoopCount(1)
if not self.effect.isPlaying():
self.effect.play()
def stop(self):
self.effect.stop()
def setVolume(self, volume):
self.volume = volume
class noiseGenerator(QThread):
def __init__(self, playnoise, volume):
super().__init__()
pathname = os.path.dirname(os.path.realpath('whitenoise.wav'))
self.sound = QSoundEffect()
self.sound.setSource(QUrl.fromLocalFile(pathname + '/whitenoise.wav'))
self.sound.setLoopCount(QSoundEffect.Infinite)
self.settings(playnoise, volume)
def settings(self, playnoise, volume):
self.playnoise = playnoise
self.sound.setVolume(volume)
def run(self):
if self.playnoise:
self.sound.play()
def stop(self):
self.sound.stop()
class QAVButton(QPushButton):
def __init__(self, label):
""" builds a custom button and displays it"""
# calls super constuctor
super(QAVButton, self).__init__(label)
self.sound = QSoundEffect()
self.volume = 1.
self.color = QColor(Qt.gray)
self.count = 0
self.duration = 1000
self.rate = 20
self.timer = QTimer()
self.timer.timeout.connect(self.update_anim)
self.mode = "sin"
self.pressed.connect(self.start)
self.released.connect(self.stop)
self.is_accelerating = False
self.update_color_with_alha(1)
def setSound(self, sound_file):
self.sound.setSource(QUrl.fromLocalFile(sound_file))
self.sound.setLoopCount(QSoundEffect.Infinite)
def start(self):
self.count = 0
self.sound.play()
self.timer.start(self.rate)
def stop(self):
self.timer.stop()
self.sound.stop()
def set_color(self, col):
self.color = col
self.update_color_with_alha(1)
def update_color_with_alha(self, alpha):
red = self.color.red()
green = self.color.green()
blue = self.color.blue()
bg_style = f"background-color:rgba({red},{green},{blue}, {alpha})"
self.setStyleSheet(bg_style)
def update_anim(self):
#logarithmic (check with perception of luminosity/brighness)
#val = math.log(count + 1)
#linear
if self.mode == "sin":
val = math.sin(self.count * 2 * math.pi) / 2 + 0.5
elif self.mode == "lin":
val = 1 - self.count
else:
val = math.log(self.count + 1)
alpha = round(val * 100) + 155
self.update_color_with_alha(alpha)
amplitude = val * 0.8 + 0.2
self.sound.setVolume(amplitude)
self.count = self.count + self.rate / self.duration
# print(count)
if self.count >= 1 - self.rate / self.duration:
self.count = 0
if self.is_accelerating:
self.duration = max(200, self.duration * 0.95)