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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd">
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<title>SurfaceVertexProgram - /Audio/SoundPlayer.h</title>
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<a href="http://developer.apple.com/">ADC Home</a> > <a href="../../referencelibrary/index.html">Reference Library</a> > <a href="../../samplecode/index.html">Sample Code</a> > <a href="../../samplecode/GraphicsImaging/index.html">Graphics & Imaging</a> > <a href="../../samplecode/GraphicsImaging/idxOpenGL-date.html">OpenGL</a> > <A HREF="javascript:location.replace('index.html');">SurfaceVertexProgram</A> >
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<h2>/Audio/SoundPlayer.h</h2>
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<p><strong><a href="SurfaceVertexProgram.zip">Download Sample</a></strong> (“SurfaceVertexProgram.zip”, 85.5K)<BR>
<strong><a href="SurfaceVertexProgram.dmg">Download Sample</a></strong> (“SurfaceVertexProgram.dmg”, 132.0K)</p>
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<pre class="sourcecodebox">//
// SoundPlayer.h
//
// Created by Michael K Larson on Wed Jun 04 2003.
// Copyright (c) 2003 __MyCompanyName__. All rights reserved.
//
#import <Foundation/Foundation.h>
#import <QuickTime/QuickTime.h>
#define BailErr(x) {err = x; if(err != noErr) goto bail;}
//////////
//
// constants
//
//////////
#define kSndEqNumBands 8
#define kSndEqResID 1000 // resource ID of DLOG resource to contain the equalizer
#define kSndEqUserItemIndex 1 // index of user item we draw the equalizer into
#define kSndEqTickThreshold 5 // the number of ticks we wait before updating display
// the band frequencies (these are the same bands used by QuickTime Player)
#define kBandFreq0 0x00C80000; // 00200 Hz
#define kBandFreq1 0x01900000; // 00400 Hz
#define kBandFreq2 0x03200000; // 00800 Hz
#define kBandFreq3 0x06400000; // 01600 Hz
#define kBandFreq4 0x0C800000; // 03200 Hz
#define kBandFreq5 0x19000000; // 06400 Hz
#define kBandFreq6 0x32000000; // 12800 Hz
#define kBandFreq7 0x52080000; // 21000 Hz
#define kSndEqNumCmdsInQueue 4 // number of commands in a sound channel queue
@interface SoundPlayer : NSObject {
MediaHandler m_mediaHandler;
}
- (void) PlaySound: (const FSSpec *) inFileToPlay;
- (void) GetSoundEqualizerBandLevels: (UInt8 *) levels;
- (int) IsMusicPlaying;
@end
</pre>
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