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Play Audio Files with DirectSound and Display its Spectrum in Real Time - Part 3

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24 Dec 2008CPOL3 min read 273.6K   17.7K   86  
An article to show how to play audio file with DirectSound and display its spectrum in real time accurately
/********************************************************************
 *                                                                  *
 * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE.   *
 * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS     *
 * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
 * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
 *                                                                  *
 * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007             *
 * by the Xiph.Org Foundation http://www.xiph.org/                  *
 *                                                                  *
 ********************************************************************

 function: miscellaneous prototypes
 last mod: $Id: misc.h 13293 2007-07-24 00:09:47Z xiphmont $

 ********************************************************************/

#ifndef _V_RANDOM_H_
#define _V_RANDOM_H_
#include "vorbis/codec.h"

extern int analysis_noisy;

extern void *_vorbis_block_alloc(vorbis_block *vb,long bytes);
extern void _vorbis_block_ripcord(vorbis_block *vb);
extern void _analysis_output(char *base,int i,float *v,int n,int bark,int dB,
			     ogg_int64_t off);

#ifdef DEBUG_MALLOC

#define _VDBG_GRAPHFILE "malloc.m"
extern void *_VDBG_malloc(void *ptr,long bytes,char *file,long line); 
extern void _VDBG_free(void *ptr,char *file,long line); 

#ifndef MISC_C 
#undef _ogg_malloc
#undef _ogg_calloc
#undef _ogg_realloc
#undef _ogg_free

#define _ogg_malloc(x) _VDBG_malloc(NULL,(x),__FILE__,__LINE__)
#define _ogg_calloc(x,y) _VDBG_malloc(NULL,(x)*(y),__FILE__,__LINE__)
#define _ogg_realloc(x,y) _VDBG_malloc((x),(y),__FILE__,__LINE__)
#define _ogg_free(x) _VDBG_free((x),__FILE__,__LINE__)
#endif
#endif

#endif




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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


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