168 lines
8 KiB
Python
168 lines
8 KiB
Python
from ctypes import Structure, c_int, c_char_p, c_double, c_void_p, CFUNCTYPE, \
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POINTER
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from .dll import _bind, nullfunc
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from .endian import SDL_BYTEORDER, SDL_LIL_ENDIAN
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from .stdinc import Uint8, Uint16, Uint32
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from .rwops import SDL_RWops, SDL_RWFromFile
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__all__ = ["SDL_AudioFormat", "SDL_AUDIO_MASK_BITSIZE",
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"SDL_AUDIO_MASK_DATATYPE", "SDL_AUDIO_MASK_ENDIAN",
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"SDL_AUDIO_MASK_SIGNED", "SDL_AUDIO_BITSIZE", "SDL_AUDIO_ISFLOAT",
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"SDL_AUDIO_ISBIGENDIAN", "SDL_AUDIO_ISSIGNED", "SDL_AUDIO_ISINT",
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"SDL_AUDIO_ISLITTLEENDIAN", "SDL_AUDIO_ISUNSIGNED", "AUDIO_U8",
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"AUDIO_S8", "AUDIO_U16LSB", "AUDIO_S16LSB", "AUDIO_U16MSB",
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"AUDIO_S16MSB", "AUDIO_U16", "AUDIO_S16", "AUDIO_S32LSB",
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"AUDIO_S32MSB", "AUDIO_S32", "AUDIO_F32LSB", "AUDIO_S32MSB",
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"AUDIO_F32", "AUDIO_U16SYS", "AUDIO_S16SYS", "AUDIO_S32SYS", "AUDIO_FORMATS",
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"AUDIO_F32SYS", "SDL_AUDIO_ALLOW_FREQUENCY_CHANGE",
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"SDL_AUDIO_ALLOW_FORMAT_CHANGE", "SDL_AUDIO_ALLOW_CHANNELS_CHANGE",
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"SDL_AUDIO_ALLOW_ANY_CHANGE", "SDL_AudioCallback", "SDL_AudioSpec",
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"SDL_AudioCVT", "SDL_AudioFilter", "SDL_GetNumAudioDrivers",
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"SDL_GetAudioDriver", "SDL_AudioInit", "SDL_AudioQuit",
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"SDL_GetCurrentAudioDriver", "SDL_OpenAudio", "SDL_AudioDeviceID",
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"SDL_GetNumAudioDevices", "SDL_GetAudioDeviceName",
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"SDL_OpenAudioDevice", "SDL_AUDIO_STOPPED", "SDL_AUDIO_PLAYING",
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"SDL_AUDIO_PAUSED", "SDL_AudioStatus", "SDL_GetAudioStatus",
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"SDL_GetAudioDeviceStatus", "SDL_PauseAudio", "SDL_PauseAudioDevice",
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"SDL_LoadWAV_RW", "SDL_LoadWAV", "SDL_FreeWAV", "SDL_BuildAudioCVT",
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"SDL_ConvertAudio", "SDL_MIX_MAXVOLUME", "SDL_MixAudio",
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"SDL_MixAudioFormat", "SDL_LockAudio", "SDL_LockAudioDevice",
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"SDL_UnlockAudio", "SDL_UnlockAudioDevice", "SDL_CloseAudio",
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"SDL_CloseAudioDevice", "SDL_QueueAudio", "SDL_GetQueuedAudioSize",
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"SDL_ClearQueuedAudio", "SDL_DequeueAudio"
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]
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SDL_AudioFormat = Uint16
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SDL_AUDIO_MASK_BITSIZE = 0xFF
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SDL_AUDIO_MASK_DATATYPE = 1 << 8
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SDL_AUDIO_MASK_ENDIAN = 1 << 12
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SDL_AUDIO_MASK_SIGNED = 1 << 15
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SDL_AUDIO_BITSIZE = lambda x: (x & SDL_AUDIO_MASK_BITSIZE)
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SDL_AUDIO_ISFLOAT = lambda x: (x & SDL_AUDIO_MASK_DATATYPE)
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SDL_AUDIO_ISBIGENDIAN = lambda x: (x & SDL_AUDIO_MASK_ENDIAN)
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SDL_AUDIO_ISSIGNED = lambda x: (x & SDL_AUDIO_MASK_SIGNED)
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SDL_AUDIO_ISINT = lambda x: (not SDL_AUDIO_ISFLOAT(x))
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SDL_AUDIO_ISLITTLEENDIAN = lambda x: (not SDL_AUDIO_ISBIGENDIAN(x))
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SDL_AUDIO_ISUNSIGNED = lambda x: (not SDL_AUDIO_ISSIGNED(x))
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AUDIO_U8 = 0x0008
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AUDIO_S8 = 0x8008
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AUDIO_U16LSB = 0x0010
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AUDIO_S16LSB = 0x8010
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AUDIO_U16MSB = 0x1010
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AUDIO_S16MSB = 0x9010
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AUDIO_U16 = AUDIO_U16LSB
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AUDIO_S16 = AUDIO_S16LSB
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AUDIO_S32LSB = 0x8020
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AUDIO_S32MSB = 0x9020
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AUDIO_S32 = AUDIO_S32LSB
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AUDIO_F32LSB = 0x8120
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AUDIO_F32MSB = 0x9120
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AUDIO_F32 = AUDIO_F32LSB
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# All of the audio formats should be in this set which is provided as a
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# convenience to the end user for purposes of iteration and validation.
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# (is the provided audio format in the supported set?)
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AUDIO_FORMATS = set([AUDIO_U8, AUDIO_S8, AUDIO_U16LSB, AUDIO_S16LSB,
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AUDIO_U16MSB, AUDIO_S16MSB, AUDIO_U16, AUDIO_S16,
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AUDIO_S32LSB, AUDIO_S32MSB, AUDIO_S32, AUDIO_F32LSB,
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AUDIO_F32MSB, AUDIO_F32])
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if SDL_BYTEORDER == SDL_LIL_ENDIAN:
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AUDIO_U16SYS = AUDIO_U16LSB
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AUDIO_S16SYS = AUDIO_S16LSB
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AUDIO_S32SYS = AUDIO_S32LSB
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AUDIO_F32SYS = AUDIO_F32LSB
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else:
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AUDIO_U16SYS = AUDIO_U16MSB
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AUDIO_S16SYS = AUDIO_S16MSB
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AUDIO_S32SYS = AUDIO_S32MSB
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AUDIO_F32SYS = AUDIO_F32MSB
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SDL_AUDIO_ALLOW_FREQUENCY_CHANGE = 0x00000001
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SDL_AUDIO_ALLOW_FORMAT_CHANGE = 0x00000002
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SDL_AUDIO_ALLOW_CHANNELS_CHANGE = 0x00000004
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SDL_AUDIO_ALLOW_ANY_CHANGE = (SDL_AUDIO_ALLOW_FREQUENCY_CHANGE |
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SDL_AUDIO_ALLOW_FORMAT_CHANGE |
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SDL_AUDIO_ALLOW_CHANNELS_CHANGE)
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SDL_AudioCallback = CFUNCTYPE(None, c_void_p, POINTER(Uint8), c_int)
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class SDL_AudioSpec(Structure):
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_fields_ = [("freq", c_int),
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("format", SDL_AudioFormat),
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("channels", Uint8),
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("silence", Uint8),
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("samples", Uint16),
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("padding", Uint16),
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("size", Uint32),
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("callback", SDL_AudioCallback),
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("userdata", c_void_p)
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]
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def __init__(self, freq, aformat, channels, samples,
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callback=SDL_AudioCallback(), userdata=c_void_p(0)):
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super(SDL_AudioSpec, self).__init__()
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self.freq = freq
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self.format = aformat
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self.channels = channels
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self.samples = samples
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self.callback = callback
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self.userdata = userdata
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class SDL_AudioCVT(Structure):
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pass
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SDL_AudioFilter = CFUNCTYPE(POINTER(SDL_AudioCVT), SDL_AudioFormat)
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SDL_AudioCVT._fields_ = [("needed", c_int),
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("src_format", SDL_AudioFormat),
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("dst_format", SDL_AudioFormat),
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("rate_incr", c_double),
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("buf", POINTER(Uint8)),
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("len", c_int),
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("len_cvt", c_int),
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("len_mult", c_int),
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("len_ratio", c_double),
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("filters", (SDL_AudioFilter * 10)),
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("filter_index", c_int)
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]
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SDL_GetNumAudioDrivers = _bind("SDL_GetNumAudioDrivers", None, c_int)
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SDL_GetAudioDriver = _bind("SDL_GetAudioDriver", [c_int], c_char_p)
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SDL_AudioInit = _bind("SDL_AudioInit", [c_char_p], c_int)
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SDL_AudioQuit = _bind("SDL_AudioQuit")
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SDL_GetCurrentAudioDriver = _bind("SDL_GetCurrentAudioDriver", None, c_char_p)
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SDL_OpenAudio = _bind("SDL_OpenAudio", [POINTER(SDL_AudioSpec), POINTER(SDL_AudioSpec)], c_int)
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SDL_AudioDeviceID = Uint32
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SDL_GetNumAudioDevices = _bind("SDL_GetNumAudioDevices", [c_int], c_int)
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SDL_GetAudioDeviceName = _bind("SDL_GetAudioDeviceName", [c_int, c_int], c_char_p)
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SDL_OpenAudioDevice = _bind("SDL_OpenAudioDevice", [c_char_p, c_int, POINTER(SDL_AudioSpec), POINTER(SDL_AudioSpec), c_int], SDL_AudioDeviceID)
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SDL_AUDIO_STOPPED = 0
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SDL_AUDIO_PLAYING = 1
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SDL_AUDIO_PAUSED = 2
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SDL_AudioStatus = c_int
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SDL_GetAudioStatus = _bind("SDL_GetAudioStatus", None, SDL_AudioStatus)
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SDL_GetAudioDeviceStatus = _bind("SDL_GetAudioDeviceStatus", [SDL_AudioDeviceID], SDL_AudioStatus)
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SDL_PauseAudio = _bind("SDL_PauseAudio", [c_int])
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SDL_PauseAudioDevice = _bind("SDL_PauseAudioDevice", [SDL_AudioDeviceID, c_int])
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SDL_LoadWAV_RW = _bind("SDL_LoadWAV_RW", [POINTER(SDL_RWops), c_int, POINTER(SDL_AudioSpec), POINTER(POINTER(Uint8)), POINTER(Uint32)], POINTER(SDL_AudioSpec))
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SDL_LoadWAV = lambda f, s, ab, al: SDL_LoadWAV_RW(SDL_RWFromFile(f, b"rb"), 1, s, ab , al)
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SDL_FreeWAV = _bind("SDL_FreeWAV", [POINTER(Uint8)])
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SDL_BuildAudioCVT = _bind("SDL_BuildAudioCVT", [POINTER(SDL_AudioCVT), SDL_AudioFormat, Uint8, c_int, SDL_AudioFormat, Uint8, c_int], c_int)
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SDL_ConvertAudio = _bind("SDL_ConvertAudio", [POINTER(SDL_AudioCVT)], c_int)
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SDL_MIX_MAXVOLUME = 128
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SDL_MixAudio = _bind("SDL_MixAudio", [POINTER(Uint8), POINTER(Uint8), Uint32, c_int])
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SDL_MixAudioFormat = _bind("SDL_MixAudioFormat", [POINTER(Uint8), POINTER(Uint8), SDL_AudioFormat, Uint32, c_int])
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SDL_LockAudio = _bind("SDL_LockAudio")
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SDL_LockAudioDevice = _bind("SDL_LockAudioDevice", [SDL_AudioDeviceID])
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SDL_UnlockAudio = _bind("SDL_UnlockAudio")
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SDL_UnlockAudioDevice = _bind("SDL_UnlockAudioDevice", [SDL_AudioDeviceID])
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SDL_CloseAudio = _bind("SDL_CloseAudio")
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SDL_CloseAudioDevice = _bind("SDL_CloseAudioDevice", [SDL_AudioDeviceID])
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SDL_QueueAudio = _bind("SDL_QueueAudio", [SDL_AudioDeviceID, c_void_p, Uint32], c_int, nullfunc)
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SDL_DequeueAudio = _bind("SDL_DequeueAudio", [SDL_AudioDeviceID, c_void_p, Uint32], Uint32, nullfunc)
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SDL_GetQueuedAudioSize = _bind("SDL_GetQueuedAudioSize", [SDL_AudioDeviceID], Uint32, nullfunc)
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SDL_ClearQueuedAudio = _bind("SDL_ClearQueuedAudio", [SDL_AudioDeviceID], optfunc=nullfunc)
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