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.. include:: ../common.txt
.. highlight:: c
********************************
API exported by pygame.mixer
********************************
src_c/mixer.c
=============
Python types and module startup/shutdown functions defined in the
:py:mod:`pygame.mixer` extension module.
Header file: src_c/mixer.h
.. c:type:: pgSoundObject
The :py:class:`pygame.mixer.Sound` instance C structure.
.. c:var:: PyTypeObject *pgSound_Type
The :py:class:`pygame.mixer.Sound` Python type.
.. c:function:: PyObject* pgSound_New(Mix_Chunk *chunk)
Return a new :py:class:`pygame.mixer.Sound` instance for the SDL mixer chunk *chunk*.
On failure, raise a Python exception and return ``NULL``.
.. c:function:: int pgSound_Check(PyObject \*obj)
Return true if *obj* is an instance of type :c:data:`pgSound_Type`,
but not a :c:data:`pgSound_Type` subclass instance.
A macro.
.. c:function:: Mix_Chunk* pgSound_AsChunk(PyObject *x)
Return the SDL :c:type:`Mix_Chunk` struct associated with the
:c:data:`pgSound_Type` instance *x*.
A macro that does no ``NULL`` or Python type check on *x*.
.. c:type:: pgChannelObject
The :py:class:`pygame.mixer.Channel` instance C structure.
.. c:var:: PyTypeObject *pgChannel_Type
The :py:class:`pygame.mixer.Channel` Python type.
.. c:function:: PyObject* pgChannel_New(int channelnum)
Return a new :py:class:`pygame.mixer.Channel` instance for the SDL mixer
channel *channelnum*.
On failure, raise a Python exception and return ``NULL``.
.. c:function:: int pgChannel_Check(PyObject \*obj)
Return true if *obj* is an instance of type :c:data:`pgChannel_Type`,
but not a :c:data:`pgChannel_Type` subclass instance.
A macro.
.. c:function:: Mix_Chunk \*pgChannel_AsInt(PyObject \*x)
Return the SDL mixer music channel number associated with :c:type:`pgChannel_Type` instance *x*.
A macro that does no ``NULL`` or Python type check on *x*.
.. c:function:: void pgMixer_AutoInit(void)
Initialize the :py:mod:`pygame.mixer` module and start the SDL mixer.
.. c:function:: void pgMixer_AutoQuit(void)
Stop all playing channels and close the SDL mixer.
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