def SDL_MixAudio(dst, src, length, volume):
"""Mix two audio buffers.
This takes two audio buffers of the playing audio format and mixes
them, performing addition, volume adjustment, and overflow clipping.
The volume ranges from 0 - 128, and should be set to SDL_MIX_MAXVOLUME
for full audio volume. Note this does not change hardware volume.
This is provided for convenience -- you can mix your own audio data.
:note: SDL-ctypes doesn't know the current play format, so you must
always pass in byte buffers (SDL_array or sequence) to this function,
rather than of the native data type.
:Parameters:
- `dst`: `SDL_array`
- `src`: `SDL_array`
- `length`: int
- `volume`: int
"""
dstref, dst = array.to_ctypes(dst, len(dst), c_ubyte)
srcref, src = array.to_ctypes(src, len(src), c_ubyte)
if len(dst) < length:
raise TypeError('Destination buffer too small')
elif len(src) < length:
raise TypeError('Source buffer too small')
_SDL_MixAudio(dst, src, length, volume)
def SDL_MixAudio(dst, src, length, volume):
"""Mix two audio buffers.
This takes two audio buffers of the playing audio format and mixes
them, performing addition, volume adjustment, and overflow clipping.
The volume ranges from 0 - 128, and should be set to SDL_MIX_MAXVOLUME
for full audio volume. Note this does not change hardware volume.
This is provided for convenience -- you can mix your own audio data.
:note: SDL-ctypes doesn't know the current play format, so you must
always pass in byte buffers (SDL_array or sequence) to this function,
rather than of the native data type.
:Parameters:
- `dst`: `SDL_array`
- `src`: `SDL_array`
- `length`: int
- `volume`: int
"""
dstref, dst = array.to_ctypes(dst, len(dst), c_ubyte)
srcref, src = array.to_ctypes(src, len(src), c_ubyte)
if len(dst) < length:
raise TypeError, "Destination buffer too small"
elif len(src) < length:
raise TypeError, "Source buffer too small"
_SDL_MixAudio(dst, src, length, volume)
def Mix_QuickLoad_WAV(mem):
'''Load a wave file of the mixer format from a sequence or SDL_array.
:Parameters:
- `mem`: sequence or `SDL_array`
:rtype: `Mix_Chunk`
'''
ref, mem = array.to_ctypes(mem, len(mem), c_ubyte)
return _Mix_QuickLoad_WAV(mem)