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|
import os
import sys
import ctypes
import sdl2
from sdl2 import SDL_Init, SDL_Quit, SDL_InitSubSystem, SDL_QuitSubSystem, \
SDL_INIT_AUDIO
from sdl2.error import SDL_GetError, SDL_ClearError
from sdl2 import audio
import pytest
def test_SDL_AUDIO_BITSIZE():
assert audio.SDL_AUDIO_BITSIZE(audio.AUDIO_U8) == 8
assert audio.SDL_AUDIO_BITSIZE(audio.AUDIO_S8) == 8
assert audio.SDL_AUDIO_BITSIZE(audio.AUDIO_U16LSB) == 16
assert audio.SDL_AUDIO_BITSIZE(audio.AUDIO_S16LSB) == 16
assert audio.SDL_AUDIO_BITSIZE(audio.AUDIO_U16MSB) == 16
assert audio.SDL_AUDIO_BITSIZE(audio.AUDIO_S16MSB) == 16
assert audio.SDL_AUDIO_BITSIZE(audio.AUDIO_U16) == 16
assert audio.SDL_AUDIO_BITSIZE(audio.AUDIO_S16) == 16
assert audio.SDL_AUDIO_BITSIZE(audio.AUDIO_S32LSB) == 32
assert audio.SDL_AUDIO_BITSIZE(audio.AUDIO_S32MSB) == 32
assert audio.SDL_AUDIO_BITSIZE(audio.AUDIO_S32) == 32
assert audio.SDL_AUDIO_BITSIZE(audio.AUDIO_F32LSB) == 32
assert audio.SDL_AUDIO_BITSIZE(audio.AUDIO_F32MSB) == 32
assert audio.SDL_AUDIO_BITSIZE(audio.AUDIO_F32) == 32
def test_SDL_AUDIO_ISFLOAT():
assert not audio.SDL_AUDIO_ISFLOAT(audio.AUDIO_U8)
assert not audio.SDL_AUDIO_ISFLOAT(audio.AUDIO_S8)
assert not audio.SDL_AUDIO_ISFLOAT(audio.AUDIO_U16LSB)
assert not audio.SDL_AUDIO_ISFLOAT(audio.AUDIO_S16LSB)
assert not audio.SDL_AUDIO_ISFLOAT(audio.AUDIO_U16MSB)
assert not audio.SDL_AUDIO_ISFLOAT(audio.AUDIO_S16MSB)
assert not audio.SDL_AUDIO_ISFLOAT(audio.AUDIO_U16)
assert not audio.SDL_AUDIO_ISFLOAT(audio.AUDIO_S16)
assert not audio.SDL_AUDIO_ISFLOAT(audio.AUDIO_S32LSB)
assert not audio.SDL_AUDIO_ISFLOAT(audio.AUDIO_S32MSB)
assert not audio.SDL_AUDIO_ISFLOAT(audio.AUDIO_S32)
assert audio.SDL_AUDIO_ISFLOAT(audio.AUDIO_F32LSB)
assert audio.SDL_AUDIO_ISFLOAT(audio.AUDIO_F32MSB)
assert audio.SDL_AUDIO_ISFLOAT(audio.AUDIO_F32)
def test_SDL_AUDIO_ISBIGENDIAN():
assert not audio.SDL_AUDIO_ISBIGENDIAN(audio.AUDIO_U8)
assert not audio.SDL_AUDIO_ISBIGENDIAN(audio.AUDIO_S8)
assert not audio.SDL_AUDIO_ISBIGENDIAN(audio.AUDIO_U16LSB)
assert not audio.SDL_AUDIO_ISBIGENDIAN(audio.AUDIO_S16LSB)
assert audio.SDL_AUDIO_ISBIGENDIAN(audio.AUDIO_U16MSB)
assert audio.SDL_AUDIO_ISBIGENDIAN(audio.AUDIO_S16MSB)
assert not audio.SDL_AUDIO_ISBIGENDIAN(audio.AUDIO_U16)
assert not audio.SDL_AUDIO_ISBIGENDIAN(audio.AUDIO_S16)
assert not audio.SDL_AUDIO_ISBIGENDIAN(audio.AUDIO_S32LSB)
assert audio.SDL_AUDIO_ISBIGENDIAN(audio.AUDIO_S32MSB)
assert not audio.SDL_AUDIO_ISBIGENDIAN(audio.AUDIO_S32)
assert not audio.SDL_AUDIO_ISBIGENDIAN(audio.AUDIO_F32LSB)
assert audio.SDL_AUDIO_ISBIGENDIAN(audio.AUDIO_F32MSB)
assert not audio.SDL_AUDIO_ISBIGENDIAN(audio.AUDIO_F32)
def test_SDL_AUDIO_ISSIGNED():
assert not audio.SDL_AUDIO_ISSIGNED(audio.AUDIO_U8)
assert audio.SDL_AUDIO_ISSIGNED(audio.AUDIO_S8)
assert not audio.SDL_AUDIO_ISSIGNED(audio.AUDIO_U16LSB)
assert audio.SDL_AUDIO_ISSIGNED(audio.AUDIO_S16LSB)
assert not audio.SDL_AUDIO_ISSIGNED(audio.AUDIO_U16MSB)
assert audio.SDL_AUDIO_ISSIGNED(audio.AUDIO_S16MSB)
assert not audio.SDL_AUDIO_ISSIGNED(audio.AUDIO_U16)
assert audio.SDL_AUDIO_ISSIGNED(audio.AUDIO_S16)
assert audio.SDL_AUDIO_ISSIGNED(audio.AUDIO_S32LSB)
assert audio.SDL_AUDIO_ISSIGNED(audio.AUDIO_S32MSB)
assert audio.SDL_AUDIO_ISSIGNED(audio.AUDIO_S32)
assert audio.SDL_AUDIO_ISSIGNED(audio.AUDIO_F32LSB)
assert audio.SDL_AUDIO_ISSIGNED(audio.AUDIO_F32MSB)
assert audio.SDL_AUDIO_ISSIGNED(audio.AUDIO_F32)
def test_SDL_AUDIO_ISINT():
assert audio.SDL_AUDIO_ISINT(audio.AUDIO_U8)
assert audio.SDL_AUDIO_ISINT(audio.AUDIO_S8)
assert audio.SDL_AUDIO_ISINT(audio.AUDIO_U16LSB)
assert audio.SDL_AUDIO_ISINT(audio.AUDIO_S16LSB)
assert audio.SDL_AUDIO_ISINT(audio.AUDIO_U16MSB)
assert audio.SDL_AUDIO_ISINT(audio.AUDIO_S16MSB)
assert audio.SDL_AUDIO_ISINT(audio.AUDIO_U16)
assert audio.SDL_AUDIO_ISINT(audio.AUDIO_S16)
assert audio.SDL_AUDIO_ISINT(audio.AUDIO_S32LSB)
assert audio.SDL_AUDIO_ISINT(audio.AUDIO_S32MSB)
assert audio.SDL_AUDIO_ISINT(audio.AUDIO_S32)
assert not audio.SDL_AUDIO_ISINT(audio.AUDIO_F32LSB)
assert not audio.SDL_AUDIO_ISINT(audio.AUDIO_F32MSB)
assert not audio.SDL_AUDIO_ISINT(audio.AUDIO_F32)
def test_SDL_AUDIO_ISLITTLEENDIAN():
assert audio.SDL_AUDIO_ISLITTLEENDIAN(audio.AUDIO_U8)
assert audio.SDL_AUDIO_ISLITTLEENDIAN(audio.AUDIO_S8)
assert audio.SDL_AUDIO_ISLITTLEENDIAN(audio.AUDIO_U16LSB)
assert audio.SDL_AUDIO_ISLITTLEENDIAN(audio.AUDIO_S16LSB)
assert not audio.SDL_AUDIO_ISLITTLEENDIAN(audio.AUDIO_U16MSB)
assert not audio.SDL_AUDIO_ISLITTLEENDIAN(audio.AUDIO_S16MSB)
assert audio.SDL_AUDIO_ISLITTLEENDIAN(audio.AUDIO_U16)
assert audio.SDL_AUDIO_ISLITTLEENDIAN(audio.AUDIO_S16)
assert audio.SDL_AUDIO_ISLITTLEENDIAN(audio.AUDIO_S32LSB)
assert not audio.SDL_AUDIO_ISLITTLEENDIAN(audio.AUDIO_S32MSB)
assert audio.SDL_AUDIO_ISLITTLEENDIAN(audio.AUDIO_S32)
assert audio.SDL_AUDIO_ISLITTLEENDIAN(audio.AUDIO_F32LSB)
assert not audio.SDL_AUDIO_ISLITTLEENDIAN(audio.AUDIO_F32MSB)
assert audio.SDL_AUDIO_ISLITTLEENDIAN(audio.AUDIO_F32)
def test_SDL_AUDIO_ISUNSIGNED():
assert audio.SDL_AUDIO_ISUNSIGNED(audio.AUDIO_U8)
assert not audio.SDL_AUDIO_ISUNSIGNED(audio.AUDIO_S8)
assert audio.SDL_AUDIO_ISUNSIGNED(audio.AUDIO_U16LSB)
assert not audio.SDL_AUDIO_ISUNSIGNED(audio.AUDIO_S16LSB)
assert audio.SDL_AUDIO_ISUNSIGNED(audio.AUDIO_U16MSB)
assert not audio.SDL_AUDIO_ISUNSIGNED(audio.AUDIO_S16MSB)
assert audio.SDL_AUDIO_ISUNSIGNED(audio.AUDIO_U16)
assert not audio.SDL_AUDIO_ISUNSIGNED(audio.AUDIO_S16)
assert not audio.SDL_AUDIO_ISUNSIGNED(audio.AUDIO_S32LSB)
assert not audio.SDL_AUDIO_ISUNSIGNED(audio.AUDIO_S32MSB)
assert not audio.SDL_AUDIO_ISUNSIGNED(audio.AUDIO_S32)
assert not audio.SDL_AUDIO_ISUNSIGNED(audio.AUDIO_F32LSB)
assert not audio.SDL_AUDIO_ISUNSIGNED(audio.AUDIO_F32MSB)
assert not audio.SDL_AUDIO_ISUNSIGNED(audio.AUDIO_F32)
def test_SDL_InitQuitAudio():
SDL_Init(0)
ret = SDL_InitSubSystem(SDL_INIT_AUDIO)
SDL_Quit()
assert ret == 0
skipmsg = "audio subsystem not supported"
@pytest.mark.skipif(SDL_Init(SDL_INIT_AUDIO) != 0, reason=skipmsg)
class TestSDLAudio(object):
__tags__ = ["sdl"]
@classmethod
def setup_class(cls):
def audio_cb(userdata, audiobytes, length):
pass
cls.audiocallback = audio.SDL_AudioCallback(audio_cb)
cls.original_driver = os.getenv("SDL_AUDIODRIVER")
@classmethod
def teardown_class(cls):
if os.getenv("SDL_AUDIODRIVER"):
if cls.original_driver != None:
os.environ["SDL_AUDIODRIVER"] = cls.original_driver
else:
os.environ.pop("SDL_AUDIODRIVER")
def setup_method(self):
SDL_ClearError()
SDL_Init(SDL_INIT_AUDIO)
if os.getenv("SDL_AUDIODRIVER"):
if self.original_driver != None:
os.environ["SDL_AUDIODRIVER"] = self.original_driver
else:
os.environ.pop("SDL_AUDIODRIVER")
def teardown_method(self):
SDL_Quit()
@pytest.mark.skip("not implemented")
def test_SDL_AudioSpec(self):
pass
@pytest.mark.skip("not implemented")
def test_SDL_AudioCVT(self):
pass
def test_SDL_GetNumAudioDrivers(self):
count = audio.SDL_GetNumAudioDrivers()
assert count >= 1
def test_SDL_GetAudioDriver(self):
founddummy = False
drivercount = audio.SDL_GetNumAudioDrivers()
for index in range(drivercount):
drivername = audio.SDL_GetAudioDriver(index)
assert isinstance(drivername, (str, bytes))
if drivername == b"dummy":
founddummy = True
assert founddummy, "could not find dummy driver"
with pytest.raises((ctypes.ArgumentError, TypeError)):
audio.SDL_GetAudioDriver("Test")
with pytest.raises((ctypes.ArgumentError, TypeError)):
audio.SDL_GetAudioDriver(None)
def test_SDL_GetCurrentAudioDriver(self):
success = 0
# Reset audio subsystem
SDL_Quit()
SDL_Init(0)
for index in range(audio.SDL_GetNumAudioDrivers()):
drivername = audio.SDL_GetAudioDriver(index)
os.environ["SDL_AUDIODRIVER"] = drivername.decode("utf-8")
# Certain drivers fail without bringing up the correct
# return value, such as the esd, if it is not running.
SDL_InitSubSystem(SDL_INIT_AUDIO)
driver = audio.SDL_GetCurrentAudioDriver()
SDL_QuitSubSystem(SDL_INIT_AUDIO)
# Do not handle wrong return values.
if driver is not None:
assert drivername == driver
success += 1
assert success >= 1
def test_SDL_OpenCloseAudio(self):
fmt = audio.AUDIO_F32 if sys.platform == "darwin" else audio.AUDIO_U16SYS
reqspec = audio.SDL_AudioSpec(44100, fmt, 2, 1024)
spec = audio.SDL_AudioSpec(0, 0, 0, 0)
ret = audio.SDL_OpenAudio(reqspec, ctypes.byref(spec))
assert ret == 0
assert spec.format == reqspec.format
assert spec.freq == reqspec.freq
assert spec.channels == reqspec.channels
audio.SDL_CloseAudio()
def test_SDL_GetNumAudioDevices(self):
outnum = audio.SDL_GetNumAudioDevices(False)
assert outnum >= 1
innum = audio.SDL_GetNumAudioDevices(True)
assert innum >= 0
def test_SDL_GetAudioDeviceName(self):
backends = []
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)
backends.append(drivername.decode("utf-8"))
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("Audio backends supported by current SDL2 binary:")
print(backends)
print("\nAvailable 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'])))
@pytest.mark.skipif(sdl2.dll.version < 2016, reason="not available")
def test_SDL_GetAudioDeviceSpec(self):
# Reset audio subsystem
SDL_Quit()
SDL_Init(0)
# Find an audio driver with at least one output
SDL_InitSubSystem(SDL_INIT_AUDIO)
driver = audio.SDL_GetCurrentAudioDriver()
if driver == None or audio.SDL_GetNumAudioDevices(False) == 0:
SDL_QuitSubSystem(SDL_INIT_AUDIO)
os.environ["SDL_AUDIODRIVER"] = b'dummy'
SDL_InitSubSystem(SDL_INIT_AUDIO)
driver = audio.SDL_GetCurrentAudioDriver()
drivername = driver.decode('utf-8')
# Get name and spec of first output device
outspec = audio.SDL_AudioSpec(0, 0, 0, 0)
outname = audio.SDL_GetAudioDeviceName(0, False).decode('utf-8')
ret = audio.SDL_GetAudioDeviceSpec(0, False, ctypes.byref(outspec))
SDL_QuitSubSystem(SDL_INIT_AUDIO)
assert ret == 0
# Validate frequency and channel count were set
hz = outspec.freq
fmt = audio.FORMAT_NAME_MAP[outspec.format] if outspec.format > 0 else 'unknown'
chans = outspec.channels
bufsize = outspec.samples if outspec.samples > 0 else 'unknown'
if driver != b"dummy":
assert hz > 0
assert chans > 0
# Print out device spec info
msg = "Audio device spec for {0} with '{1}' driver:"
msg2 = "{0} Hz, {1} channels, {2} format, {3} sample buffer size"
print(msg.format(outname, drivername))
print(msg2.format(hz, chans, fmt, bufsize))
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)
@pytest.mark.skip("not implemented")
def test_SDL_GetAudioStatus(self):
pass
@pytest.mark.skip("not implemented")
def test_SDL_GetAudioDeviceStatus(self):
pass
@pytest.mark.skip("not implemented")
def test_SDL_PauseAudio(self):
pass
@pytest.mark.skip("not implemented")
def test_SDL_PauseAudioDevice(self):
pass
@pytest.mark.skip("not implemented")
def test_SDL_LoadWAV_RW(self):
pass
@pytest.mark.skip("not implemented")
def test_SDL_LoadWAV(self):
pass
@pytest.mark.skip("not implemented")
def test_SDL_FreeWAV(self):
pass
@pytest.mark.skip("not implemented")
def test_SDL_BuildAudioCVT(self):
pass
@pytest.mark.skip("not implemented")
def test_SDL_ConvertAudio(self):
pass
@pytest.mark.skip("not implemented")
def test_SDL_MixAudio(self):
pass
@pytest.mark.skip("not implemented")
def test_SDL_MixAudioFormat(self):
pass
@pytest.mark.skip("not implemented")
def test_SDL_LockUnlockAudio(self):
pass
@pytest.mark.skip("not implemented")
def test_SDL_LockUnlockAudioDevice(self):
pass
@pytest.mark.skip("not implemented")
def test_SDL_QueueAudio(self):
pass
@pytest.mark.skip("not implemented")
def test_SDL_GetQueuedAudioSize(self):
pass
@pytest.mark.skip("not implemented")
def test_SDL_ClearQueuedAudio(self):
pass
@pytest.mark.skip("not implemented")
def test_SDL_DequeueAudio(self):
pass
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