void fill_audio(void *udata, Uint8 *stream, int len)
void fill_audio(void *udata, uint8 *stream, int len)
void fill_audio(void *udata, Uint8 *stream, int len) {	// cerr << "fill_audio: " << len << endl;	 Audio::get_ptr()->mixer->fill_audio_func(udata,stream,len);}