/*

File: AudioConverter.h

Author: QuickTime DTS

Change History (most recent first): <1> 06/10/06 initial release

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*/

#import <Cocoa/Cocoa.h>

#import <AudioToolbox/AudioToolbox.h>

#import <QTKit/QTKit.h>

#import <QuickTime/QuickTime.h>

@interface AudioConverter : NSObject

{

@private

    AudioConverterRef           mAudioConverter;

    AudioStreamBasicDescription mInputFormat;       // audio stream basic description of the source

    AudioStreamBasicDescription mOutputFormat;      // and destination

    AudioChannelLayout *        mInputChannelLayoutPtr;     // the audio channel layout of the source

    UInt32                      mInputChannelLayoutSize;    // the size of the audio chanel layout

    AudioChannelLayout *        mOutputChannelLayoutPtr;    // the audio channel layout of the source

    UInt32                      mOutputChannelLayoutSize;   // the size of the audio chanel layout

    AudioChannelLayout *        mChannelLayout;

    UInt32                      mChannelLayoutSize;

    UInt32                      mRenderQuality;

    CFArrayRef                  mCodecSpecificSettings;

    void *                      mMagicCookie;

    UInt32                      mMagicCookieSize;

    Boolean                     mFormatRequiresPacketDescriptions;

    AudioConverterComplexInputDataProc  mReadInputDataProcPtr;

    AudioBufferList *           mOutputBufferList;

}

+ (id)newAudioConverterWithMovie:(Movie)inMovie status:(OSStatus *)outStatus;

- (id)initWithMovie:(Movie)inMovie status:(OSStatus *)outStatus;

- (AudioConverterRef)audioConverter;

- (void)reset;

- (OSStatus)convert:(UInt32 *)ioOutputDataPacketSize :(AudioStreamPacketDescription *)outPacketDescription :(void *)inRefCon;

- (OSStatus)getPropertyInfo:(AudioConverterPropertyID)propertyID: (UInt32 *)propertyDataSize: (Boolean *)writable;

- (OSStatus)getProperty:(AudioConverterPropertyID)propertyID: (UInt32 *)propertyDataSize: (void *)propertyData;

- (OSStatus)setProperty:(AudioConverterPropertyID)propertyID: (UInt32)propertyDataSize: (const void *)propertyData;

- (AudioStreamBasicDescription *)inputFormat;

- (AudioStreamBasicDescription *)outputFormat;

- (UInt32 *)renderQuality;

- (AudioChannelLayout *)channelLayout;

- (UInt32)channelLayoutSize;

- (void *)magicCookie;

- (UInt32)magicCookieSize;

- (Boolean)formatRequiresPacketDescriptions;

-(void)setInputDataProc:(AudioConverterComplexInputDataProc)inReadInputDataProcPtr;

-(void)setOutputAudioBufferList:(AudioBufferList *)inOutputAudioBufferList;

@end