openalbridge/globals.h
changeset 2529 51e5df1c8462
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/openalbridge/globals.h	Sat Oct 17 13:51:16 2009 +0000
@@ -0,0 +1,154 @@
+/*
+ * 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 <stdint.h>
+#include <stdarg.h>
+#include <string.h>
+#include <errno.h>
+
+#ifndef _WIN32
+#include <pthread.h>
+#include <syslog.h>
+#else
+#include <process.h>
+#define syslog(x,y) fprintf(stderr,y)
+#define LOG_INFO 6
+#define LOG_ERR 3
+#endif
+
+#include "al.h"
+#include "errlib.h"
+
+
+/*control debug verbosity*/
+#ifdef TRACE
+#ifndef DEBUG
+#define DEBUG
+#endif
+#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 */    /*FIXME*/
+#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
+//#error Do not know the endianess of this architecture
+#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
+
+
+#ifdef __CPLUSPLUS
+extern "C" {
+#endif 
+        
+        /*data type for WAV header*/
+#pragma pack(1)
+        typedef struct _WAV_header_t {
+                uint32_t ChunkID;
+                uint32_t ChunkSize;
+                uint32_t Format;
+                uint32_t Subchunk1ID;
+                uint32_t Subchunk1Size;
+                uint16_t AudioFormat;
+                uint16_t NumChannels;
+                uint32_t SampleRate;
+                uint32_t ByteRate;
+                uint16_t BlockAlign;
+                uint16_t BitsPerSample;
+                uint32_t Subchunk2ID;
+                uint32_t Subchunk2Size;
+        } WAV_header_t;
+#pragma pack()
+        
+        /*data type for passing data between threads*/
+#pragma pack(1)
+        typedef struct _fade_t {
+                uint32_t index;
+                uint16_t quantity;
+        } fade_t;
+#pragma pack()
+        
+        
+        /*file format defines*/
+#define OGG_FILE_FORMAT 0x4F676753
+#define WAV_FILE_FORMAT 0x52494646
+#define WAV_HEADER_SUBCHUNK2ID 0x64617461
+        
+        
+        /*other defines*/
+#define FADE_IN  0
+#define FADE_OUT 1
+        
+        char *prog;
+        
+#ifdef __CPLUSPLUS
+}
+#endif
+
+#endif /*_OALB_GLOBALS_H*/