def test_SDL_GetAudioDeviceName(self):
devices = {}
# Reset audio subsystem
SDL_Quit()
SDL_Init(0)
for index in range(audio.SDL_GetNumAudioDrivers()):
# Get input/output device names for each audio driver
drivername = audio.SDL_GetAudioDriver(index)
os.environ["SDL_AUDIODRIVER"] = drivername.decode("utf-8")
# Need to reinitialize subsystem for each driver
SDL_InitSubSystem(SDL_INIT_AUDIO)
driver = audio.SDL_GetCurrentAudioDriver()
if driver is not None:
driver = driver.decode("utf-8")
devices[driver] = {'input': [], 'output': []}
outnum = audio.SDL_GetNumAudioDevices(False)
innum = audio.SDL_GetNumAudioDevices(True)
for x in range(outnum):
name = audio.SDL_GetAudioDeviceName(x, False)
assert name is not None
devices[driver]['output'].append(name.decode('utf-8'))
for x in range(innum):
name = audio.SDL_GetAudioDeviceName(x, True)
assert name is not None
devices[driver]['input'].append(name.decode('utf-8'))
SDL_QuitSubSystem(SDL_INIT_AUDIO)
print("Available audio drivers and devices:")
for driver in devices.keys():
print(driver)
print(" - input: {0}".format(str(devices[driver]['input'])))
print(" - output: {0}".format(str(devices[driver]['output'])))
def test_SDL_GetAudioDeviceName(self):
os.environ["SDL_AUDIODRIVER"] = "dummy"
SDL_InitSubSystem(SDL_INIT_AUDIO)
outnum = audio.SDL_GetNumAudioDevices(False)
for x in range(outnum):
name = audio.SDL_GetAudioDeviceName(x, False)
self.assertIsNotNone(name)
innum = audio.SDL_GetNumAudioDevices(True)
for x in range(innum):
name = audio.SDL_GetAudioDeviceName(x, True)
self.assertIsNotNone(name)
# self.assertRaises(SDLError, audio.get_audio_device_name, -1)
# self.assertRaises(SDLError, audio.get_audio_device_name, -1, True)
SDL_QuitSubSystem(SDL_INIT_AUDIO)
def test_Mix_OpenAudioDevice():
SDL_Init(sdl2.SDL_INIT_AUDIO)
sdlmixer.Mix_Init(0)
# Get names of all audio output devices for current driver
ndevices = audio.SDL_GetNumAudioDevices(0)
devices = [audio.SDL_GetAudioDeviceName(i, 0) for i in range(0, ndevices)]
# Open and close each avaliable output device
fmt = sdlmixer.MIX_DEFAULT_FORMAT
flags = audio.SDL_AUDIO_ALLOW_ANY_CHANGE
for device in devices:
ret = sdlmixer.Mix_OpenAudioDevice(22050, fmt, 2, 1024, device, flags)
assert ret == 0
sdlmixer.Mix_CloseAudio()
sdlmixer.Mix_Quit()
SDL_Quit()
def test_SDL_OpenCloseAudioDevice(self):
os.environ["SDL_AUDIODRIVER"] = "dummy"
SDL_InitSubSystem(SDL_INIT_AUDIO)
reqspec = audio.SDL_AudioSpec(44100, audio.AUDIO_U16SYS, 2, 8192,
self.audiocallback, None)
outnum = audio.SDL_GetNumAudioDevices(0)
for x in range(outnum):
spec = audio.SDL_AudioSpec()
name = audio.SDL_GetAudioDeviceName(x, 0)
self.assertIsNotNone(name)
deviceid = audio.SDL_OpenAudioDevice(None, 0, reqspec,
ctypes.byref(spec), 1)
self.assertGreaterEqual(deviceid, 2)
self.assertIsInstance(spec, audio.SDL_AudioSpec)
self.assertEqual(spec.format, reqspec.format)
self.assertEqual(spec.freq, reqspec.freq)
self.assertEqual(spec.channels, reqspec.channels)
audio.SDL_CloseAudioDevice(deviceid)
SDL_QuitSubSystem(SDL_INIT_AUDIO)
def test_SDL_OpenCloseAudioDevice(self):
#TODO: Add tests for callback
fmt = audio.AUDIO_F32 if sys.platform == "darwin" else audio.AUDIO_U16SYS
reqspec = audio.SDL_AudioSpec(44100, fmt, 2, 1024)
outnum = audio.SDL_GetNumAudioDevices(0)
for x in range(outnum):
spec = audio.SDL_AudioSpec(0, 0, 0, 0)
name = audio.SDL_GetAudioDeviceName(x, 0)
assert name is not None
deviceid = audio.SDL_OpenAudioDevice(
name, 0, reqspec, ctypes.byref(spec),
audio.SDL_AUDIO_ALLOW_ANY_CHANGE)
err = SDL_GetError()
assert deviceid >= 2
assert isinstance(spec, audio.SDL_AudioSpec)
assert spec.format in audio.AUDIO_FORMATS
assert spec.freq > 0
assert spec.channels > 0
assert spec.samples > 0
audio.SDL_CloseAudioDevice(deviceid)