diff -r ace11b7d8eab -r 5033848d3afa openalbridge/common.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/openalbridge/common.h Wed Oct 14 22:25:28 2009 +0000 @@ -0,0 +1,107 @@ +/* + * OpenAL Bridge - a simple portable library for OpenAL interface + * Copyright (c) 2009 Vittorio Giovara , + * Mario Liebisch + * + * 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 COMMON_H +#define COMMON_H + +#include +#include +#include +#include +#include +#include +#include "al.h" +#include "errlib.h" + +#ifndef _WIN32 +#include +#include +#else +#include +#define syslog(x,y) fprintf(stderr,y) +#define LOG_INFO 6 +#define LOG_ERR 3 +#endif + +/* magics */ +#define OGG_FILE_FORMAT 0x4F676753 +#define WAV_FILE_FORMAT 0x52494646 +#define WAV_HEADER_SUBCHUNK2ID 0x64617461 + +#define MAX_SOUNDS 1024 +#define MAX_SOURCES 16 + +/* 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 +#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 + +#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() + +#pragma pack(1) +typedef struct _SSound_t { + int source; + char Filename[256]; + ALuint Buffer; +} SSound_t; +#pragma pack() + +#endif +