def test_create_destroy_context(self):
device = alc.open_device()
#self.assertRaises(TypeError, alc.create_context, None, None)
#self.assertRaises(TypeError, alc.create_context, 1234, None)
#self.assertRaises(TypeError, alc.create_context, "Test", None)
#self.assertRaises(TypeError, alc.create_context, device, 1234)
#self.assertRaises(TypeError, alc.create_context, device, "Test")
ctx = alc.create_context(device)
self.assertEqual(alc.get_error(device), alc.ALC_NO_ERROR)
self.assertIsInstance(ctx, alc.ALCcontext)
alc.destroy_context(ctx)
self.assertEqual(alc.get_error(device), alc.ALC_NO_ERROR)
ctx = alc.create_context(device, None)
self.assertEqual(alc.get_error(device), alc.ALC_NO_ERROR)
self.assertIsInstance(ctx, alc.ALCcontext)
alc.destroy_context(ctx)
self.assertEqual(alc.get_error(device), alc.ALC_NO_ERROR)
ctx = alc.create_context(device, [alc.ALC_FREQUENCY, 11025])
self.assertEqual(alc.get_error(device), alc.ALC_NO_ERROR)
self.assertIsInstance(ctx, alc.ALCcontext)
alc.destroy_context(ctx)
self.assertEqual(alc.get_error(device), alc.ALC_NO_ERROR)
self.assertTrue(alc.close_device(device))
def __init__(self, device=None):
"""Creates a new SoundSink for a specific audio output device."""
super(SoundSink, self).__init__()
self.componenttypes = (SoundSource, )
if isinstance(device, alc.ALCdevice):
self._hasopened = False
self.device = device
else:
self.device = alc.open_device(device)
self._hasopened = True
self.context = alc.create_context(self.device)
self.activate()
self._sources = {}
self._buffers = {}
def run():
if len (sys.argv) < 2:
print ("Usage: %s wavefile" % os.path.basename(sys.argv[0]))
print (" Using an example wav file...")
wavefp = wave.open(RESOURCES.get("hey.wav"))
else:
wavefp = wave.open(sys.argv[1], "rb")
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.open_device()
context = alc.create_context(device)
alc.make_context_current(context)
sources = al.gen_sources(1)
al.source_f(sources[0], al.AL_PITCH, 1)
al.source_f(sources[0], al.AL_GAIN, 1)
al.source_3f(sources[0], al.AL_POSITION, 0, 0, 0)
al.source_3f(sources[0], al.AL_VELOCITY, 0, 0, 0)
buffers = al.gen_buffers(1)
al.buffer_data(buffers[0], alformat, wavbuf, samplerate)
al.source_queue_buffers(sources[0], buffers)
al.source_play(sources[0])
state = al.get_source_i(sources[0], al.AL_SOURCE_STATE)
while state == al.AL_PLAYING:
print("playing the file...")
time.sleep(1)
state = al.get_source_i(sources[0], al.AL_SOURCE_STATE)
print("done")
al.delete_sources(sources)
al.delete_buffers(buffers)
alc.destroy_context(context)
alc.close_device(device)
def test_get_context_device(self):
self.assertRaises((AttributeError, TypeError),
alc.get_context_device, None)
self.assertRaises((AttributeError, TypeError),
alc.get_context_device, "Test")
self.assertRaises((AttributeError, TypeError),
alc.get_context_device, None)
device = alc.open_device()
ctx = alc.create_context(device)
dev = alc.get_context_device(ctx)
self.assertIsInstance(dev, alc.ALCdevice)
self.assertEqual(alc.get_error(device), alc.ALC_NO_ERROR)
self.assertEqual(alc.get_error(dev), alc.ALC_NO_ERROR)
alc.destroy_context(ctx)
self.assertTrue(alc.close_device(device))
def test_make_context_current_get_current_context(self):
self.assertRaises((AttributeError, TypeError),
alc.make_context_current, None)
self.assertRaises((AttributeError, TypeError),
alc.make_context_current, "Test")
self.assertRaises((AttributeError, TypeError),
alc.make_context_current, 1234)
device = alc.open_device()
self.assertIsNone(alc.get_current_context())
ctx = alc.create_context(device)
self.assertTrue(alc.make_context_current(ctx))
cur = alc.get_current_context()
self.assertIsInstance(cur, alc.ALCcontext)
alc.destroy_context(ctx)
self.assertFalse(alc.make_context_current(ctx))
self.assertIsNone(alc.get_current_context())
self.assertTrue(alc.close_device(device))
def test_open_close_device(self):
dev = alc.open_device("invalid device name :-)")
self.assertIsNone(dev)
self.assertRaises((AttributeError, TypeError), alc.close_device, dev)
self.assertRaises((AttributeError, TypeError), alc.close_device, "Test")
self.assertRaises((AttributeError, TypeError), alc.close_device, 12345)
dev = alc.open_device(None)
errval = alc.get_error(dev)
self.assertEqual(errval, alc.ALC_NO_ERROR)
# Closing a device with an attached context should not work according
# to the OpenAL specification.
ctx = alc.create_context(dev)
# The test below ideally should work, however the SI
# implementation as well as openal-soft close the device without
# caring about any context attached to it.
# All contexts are implicitly destroyed.
#
# self.assertFalse(alc.close_device(self._device))
alc.destroy_context(ctx)
self.assertTrue(alc.close_device(dev))