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Hans Lambermont
2002-10-12 11:37:38 +00:00
commit 12315f4d0e
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intern/SoundSystem/SND_Utils.h Normal file
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/**
* $Id$
*
* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
*
* 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. The Blender
* Foundation also sells licenses for use in proprietary software under
* the Blender License. See http://www.blender.org/BL/ for information
* about this.
*
* 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.
*
* You should have received a copy of the GNU 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.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL/BL DUAL LICENSE BLOCK *****
*/
#ifndef SND_UTILS_H
#define SND_UTILS_H
#include "SND_WaveSlot.h"
#ifdef __cplusplus
extern "C"
{
#endif
typedef struct
{
unsigned char riff[4];
signed int size;
unsigned char type[4];
} WavFileHeader;
typedef struct
{
unsigned short format;
unsigned short numberofchannels;
unsigned int samplerate;
unsigned int bytespersec;
unsigned short blockalignment;
unsigned short bitrate;
} WavFmtHeader;
typedef struct
{
unsigned short size;
unsigned short samplesperblock;
} WavFmtExHeader;
typedef struct
{
unsigned int Manufacturer;
unsigned int Product;
unsigned int SamplePeriod;
unsigned int Note;
unsigned int FineTune;
unsigned int SMPTEFormat;
unsigned int SMPTEOffest;
unsigned int loops;
unsigned int SamplerData;
struct
{
unsigned int Identifier;
unsigned int Type;
unsigned int Start;
unsigned int End;
unsigned int Fraction;
unsigned int Count;
} Loop[1];
} WavSampleHeader;
typedef struct
{
unsigned char id[4];
unsigned int size;
} WavChunkHeader;
/**
* loads a sample and returns a pointer
*/
extern void* SND_LoadSample(char *filename);
extern bool SND_IsSampleValid(const STR_String& name, void* memlocation);
extern unsigned int SND_GetSampleFormat(void* sample);
extern unsigned int SND_GetNumberOfChannels(void* sample);
extern unsigned int SND_GetSampleRate(void* sample);
extern unsigned int SND_GetBitRate(void* sample);
extern unsigned int SND_GetNumberOfSamples(void* sample);
extern unsigned int SND_GetHeaderSize(void* sample);
extern unsigned int SND_GetExtraChunk(void* sample);
extern void SND_GetSampleInfo(signed char* sample, SND_WaveSlot* waveslot);
#ifdef __cplusplus
}
#endif
#endif