/*

 * OpenAL Bridge - a simple portable library for OpenAL interface

 * Copyright (c) 2009 Vittorio Giovara <vittorio.giovara@gmail.com>

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU Lesser General Public License as published by

 * the Free Software Foundation; version 2 of the License

 *

 * 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 Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA

 */

#ifndef _OALB_GLOBALS_H

#define _OALB_GLOBALS_H

#include <stdio.h>

#include <stdlib.h>

#include "al.h"

#ifndef _WIN32

#include <pthread.h>

#include <syslog.h>

#else

#include <process.h>

#endif

// 1.0 02/03/10 - Defines cross-platform sleep, usleep, etc. [Wu Yongwei]

#ifndef _SLEEP_H

#define _SLEEP_H

#ifdef _WIN32

# if defined(_NEED_SLEEP_ONLY) && (defined(_MSC_VER) || defined(__MINGW32__))

#  include <stdlib.h>

#  define sleep(t) _sleep((t) * 1000)

# else

#  define WIN32_LEAN_AND_MEAN

#  include <windows.h>

#  define sleep(t)  Sleep((t) * 1000)

# endif

# ifndef _NEED_SLEEP_ONLY

#  define msleep(t) Sleep(t)

#  define usleep(t) Sleep((t) / 1000)

# endif

#else

# include <unistd.h>

# ifndef _NEED_SLEEP_ONLY

#  define msleep(t) usleep((t) * 1000)

# endif

#endif

#endif // _SLEEP_H

// check compiler requirements

#if !defined(__BIG_ENDIAN__) && !defined(__LITTLE_ENDIAN__)

#warning __BIG_ENDIAN__ or __LITTLE_ENDIAN__ not found, going to set __LITTLE_ENDIAN__ as default

#define __LITTLE_ENDIAN__ 1

#endif

/* use byteswap macros from the host system, hopefully optimized ones ;-)

 * or define our own version, simple, stupid, straight-forward... */

#ifdef HAVE_BYTESWAP_H

#include <byteswap.h>

#else

#define bswap_16(x)	(((x & 0xFF00) >> 8) | ((x & 0x00FF) << 8))

#define bswap_32(x)	(((x & 0xFF000000) >> 24) | (((x) & 0x00FF0000) >> 8)  | \

                     ((x & 0x0000FF00) << 8)  | (((x) & 0x000000FF) << 24) )

#endif /* HAVE_BYTESWAP_H */

/* swap numbers accordingly to architecture automatically */

#ifdef __LITTLE_ENDIAN__

#define ENDIAN_LITTLE_32(x) x

#define ENDIAN_BIG_32(x)    bswap_32(x)

#define ENDIAN_LITTLE_16(x) x

#define ENDIAN_BIG_16(x)    bswap_16(x)

#elif __BIG_ENDIAN__

#define ENDIAN_LITTLE_32(x) bswap_32(x)

#define ENDIAN_BIG_32(x)    x

#define ENDIAN_LITTLE_16(x) bswap_16(x)

#define ENDIAN_BIG_16(x)    x

#endif

/* file format defines */

#define OGG_FILE_FORMAT         0x4F676753

#define WAV_FILE_FORMAT         0x52494646

#define WAV_HEADER_SUBCHUNK2ID  0x64617461

#endif /*_OALB_GLOBALS_H*/