ref: 2053768a9251cbd4c731681a3e1e04c800ad21f4
dir: /pcsound/pcsound_internal.h/
// // Copyright(C) 2005-2014 Simon Howard // // This program is free software; you can redistribute it and/or // modify it under the terms of the GNU General Public License // as published by the Free Software Foundation; either version 2 // of the License, or (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // DESCRIPTION: // PC speaker interface. // #ifndef PCSOUND_INTERNAL_H #define PCSOUND_INTERNAL_H #include "pcsound.h" #ifdef HAVE_DEV_ISA_SPKRIO_H #define HAVE_BSD_SPEAKER #endif #ifdef HAVE_DEV_SPEAKER_SPEAKER_H #define HAVE_BSD_SPEAKER #endif #define PCSOUND_8253_FREQUENCY 1193280 typedef struct pcsound_driver_s pcsound_driver_t; typedef int (*pcsound_init_func)(pcsound_callback_func callback); typedef void (*pcsound_shutdown_func)(void); struct pcsound_driver_s { const char *name; pcsound_init_func init_func; pcsound_shutdown_func shutdown_func; }; extern int pcsound_sample_rate; #ifdef _WIN32 extern pcsound_driver_t pcsound_win32_driver; #endif #ifdef HAVE_BSD_SPEAKER extern pcsound_driver_t pcsound_bsd_driver; #endif #ifdef HAVE_LINUX_KD_H extern pcsound_driver_t pcsound_linux_driver; #endif extern pcsound_driver_t pcsound_sdl_driver; #endif /* #ifndef PCSOUND_INTERNAL_H */