def run():
if len(sys.argv) < 2:
print("Usage: %s wavefile" % os.path.basename(sys.argv[0]))
print(" Using an example wav file...")
dirname = os.path.dirname(__file__)
fname = os.path.join(dirname, "hey.wav")
else:
fname = sys.argv[1]
wavefp = wave.open(fname)
channels = wavefp.getnchannels()
bitrate = wavefp.getsampwidth() * 8
samplerate = wavefp.getframerate()
wavbuf = wavefp.readframes(wavefp.getnframes())
formatmap = {
(1, 8): al.AL_FORMAT_MONO8,
(2, 8): al.AL_FORMAT_STEREO8,
(1, 16): al.AL_FORMAT_MONO16,
(2, 16): al.AL_FORMAT_STEREO16,
}
alformat = formatmap[(channels, bitrate)]
device = alc.alcOpenDevice(None)
context = alc.alcCreateContext(device, None)
alc.alcMakeContextCurrent(context)
source = al.ALuint(0)
al.alGenSources(1, source)
al.alSourcef(source, al.AL_PITCH, 1)
al.alSourcef(source, al.AL_GAIN, 1)
al.alSource3f(source, al.AL_POSITION, 0, 10, 0)
al.alSource3f(source, al.AL_VELOCITY, 0, 0, 0)
al.alSourcei(source, al.AL_LOOPING, 1)
buf = al.ALuint(0)
al.alGenBuffers(1, buf)
al.alBufferData(buf, alformat, wavbuf, len(wavbuf), samplerate)
al.alSourceQueueBuffers(source, 1, buf)
al.alSourcePlay(source)
state = al.ALint(0)
al.alGetSourcei(source, al.AL_SOURCE_STATE, state)
z = 10
while z > -10:
time.sleep(1)
al.alSource3f(source, al.AL_POSITION, 0, 0, z)
print("playing at %r" % ([z, 0, 0]))
z -= 1
print("done")
al.alDeleteSources(1, source)
al.alDeleteBuffers(1, buf)
alc.alcDestroyContext(context)
alc.alcCloseDevice(device)
def rec(self):
if self.captureDev != None:
s_available = al.ALint(0)
#capture audio
alc.alcGetIntegerv(self.captureDev, alc.ALC_CAPTURE_SAMPLES, 1,
s_available)
#transfer captured audio data into tmp buffer, add to main buffer
box = ' ' * (s_available.value * 2)
alc.alcCaptureSamples(self.captureDev, box, s_available)
self.samplescaptured += box
def __init__(self):
#load source player
self.source = al.ALuint(0)
al.alGenSources(1, self.source)
#disable rolloff factor by default
al.alSourcef(self.source, al.AL_ROLLOFF_FACTOR, 0)
#disable source relative by default
al.alSourcei(self.source, al.AL_SOURCE_RELATIVE,0)
#capture player state buffer
self.state = al.ALint(0)
#set internal variable tracking
self._volume = 1.0
self._pitch = 1.0
self._position = [0,0,0]
self._rolloff = 1.0
self._loop = False
self.queue = []