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//  
//  CCAudio.h  
//  CCFC  
//  
//  Created by xichen on 11-12-18.  
//  Copyright 2011 ccteam. All rights reserved.  
//
  
#import <Foundation/Foundation.h>  
#import <AudioToolbox/AudioToolbox.h>  

@interface CCAudio : NSObject   
{  

}  

+ (int)playSound:(NSString *)soundFullPath;  
+ (void)playSystemSound:(uint)sysSoundId;  
+ (void)playSystemKeyboardClick;  

@end  


// 歌曲的播放状态  
typedef enum _CCAudioPlayerPlayingStatus  
{  
    CC_AP_PLAYING_STATUS_INITING,  
    CC_AP_PLAYING_STATUS_INIT_OK,  
    CC_AP_PLAYING_STATUS_PLAYING,  
    CC_AP_PLAYING_STATUS_PAUSED,  
    CC_AP_PLAYING_STATUS_STOPPED,                     
    CC_AP_PLAYING_STATUS_UNKOWN,  

    CC_AP_SONG_STATUS_MAX  
}CCAudioPlayerPlayingStatus;  


@class CCLocalAudioPlayer;  


#define kNumberBuffers      3  

// a player for playing local file  
@interface CCLocalAudioPlayer : NSObject   
{     
    NSString                            *_path;  

@private  
    AudioQueueRef                       _queue;  
    AudioFileID                         _audioFile;  
    AudioStreamBasicDescription         _dataFormat;  
    UInt32                              _numPacketsToRead;  
    AudioQueueBufferRef                 _buffers[kNumberBuffers];  
    SInt64                              _currentPacket;  
float                               _volume;  
    CCAudioPlayerPlayingStatus          _playStatus;  

@public  
    UInt32                              _isRunning;  
}  

@property (nonatomic, copy)     NSString                            *path;  
@property (nonatomic, assign)   UInt32                              numPacketsToRead;  
@property (nonatomic, assign)   AudioFileID                         audioFile;  
@property (nonatomic, assign)   SInt64                              currentPacket;  
@property (nonatomic, assign)   UInt32                              isRunning;  

- (id)initWithPath:(NSString *)path;  
- (void)dealloc;  

//播放控制  
- (OSStatus)play;  
- (OSStatus)pause;  
- (OSStatus)resume;  
- (OSStatus)stop;  

//音量控制  
- (float)getVolume;  
- (OSStatus)setVolume:(float)newVolume;  

- (int)getDuration;                 // 歌曲总时长,以秒为单位  
- (int)getCurrentPlayTime;          // 歌曲当前播放的时间  
  
- (BOOL)isPlaying;                              // 返回是否处于播放状态  
- (CCAudioPlayerPlayingStatus)getPlayStatus;    // 返回播放状态  
  

@end  


// it doesn't support for amr recording  
@interface CCRecorder : NSObject   
{     
    NSString                            *_path;  

@private  
    AudioQueueRef                       _queue;  
    AudioFileID                         _recordFile;  
    AudioStreamBasicDescription         _mRecordFormat;  
    AudioQueueBufferRef                 _buffers[kNumberBuffers];  
    SInt64                              _mRecordPacket;  

@public  
    BOOL                                _isRunning;  
}  

@property (nonatomic, copy)     NSString                            *path;  

- (id)initWithPath:(NSString *)path;  
- (void)dealloc;  

- (void)setupCommonAudioFormat:(UInt32)formatID;  
- (void)setRecordToPCM;  

- (OSStatus)start;  
- (void)stop;  

- (AudioFileID)getRecordFile;  
- (SInt64)getRecordPacket;  

@end

googlecode链接地址（会有更新）：http://code.google.com/p/iphone-common-codes-ccteam/source/browse/trunk/CCFC/files/CCAudio.h