/*

    File:       InfoForCallback.h

    Description: Class for transmitting AudioPropInfo data between threads.

    Originally introduced at WWDC 2005 at Session 201:

        "Harnessing the Audio Capabilities of QuickTime 7" 

    Copyright:   © Copyright 2004, 2005 Apple Computer, Inc.

                 All rights reserved.

    Disclaimer: IMPORTANT:  This Apple software is supplied to you by

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    following terms, and your use, installation, modification or

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    terms.  If you do not agree with these terms, please do not use,

    install, modify or redistribute this Apple software.

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    subject to these terms, Apple grants you a personal, non-exclusive

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    Software, with or without modifications, in source and/or binary forms;

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    Inc. may be used to endorse or promote products derived from the Apple

    Software without specific prior written permission from Apple.  Except

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    The Apple Software is provided by Apple on an "AS IS" basis.  APPLE

    MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION

    THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS

    FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND

    OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS.

    IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL

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*/

#import <QTKit/QTKit.h>

#import <QuickTime/QuickTime.h>

#import <AudioToolbox/AudioToolbox.h>

#import <AudioUnit/AudioUnit.h>

// This wrapper object is sent between threads/timers as a refCon

@interface InfoForCallback : NSObject {

    AudioStreamBasicDescription _asbd;

    AudioChannelLayout          *_layout;

    UInt32                      _layoutSize;

    QTTime                      _startTime;

    Boolean                     _discrete;

    SInt64                      _samplesRemaining;

    // needed only by preview

    Boolean                     _playerUnitStarted;

    ScheduledAudioSlice         *_sliceList;

    Float64                     _sampleTimeStamp;

    // needed only by export

    SInt64                      _locationInFile;

    MovieAudioExtractionRef     _extractionSessionRef;

}

- (AudioStreamBasicDescription)asbd;

- (AudioChannelLayout*)layout;

- (UInt32)layoutSize;

- (QTTime)startTime;

- (Boolean)discrete;

- (SInt64)samplesRemaining;

- (SInt64)locationInFile;

- (Boolean)playerUnitStarted;

- (ScheduledAudioSlice*)sliceList;

- (Float64)sampleTimeStamp;

- (MovieAudioExtractionRef)extractionSessionRef;

- (void)setASBD:(AudioStreamBasicDescription)asbd;

- (void)setLayout:(AudioChannelLayout*)layout;

- (void)setLayoutSize:(UInt32)layoutSize;

- (void)setStartTime:(QTTime)startTime;

- (void)setDiscrete:(Boolean)discrete;

- (void)setSamplesRemaining:(SInt64)samplesRemaining;

- (void)setLocationInFile:(SInt64)location;

- (void)setPlayerUnitStarted:(Boolean)playerUnitStarted;

- (void)setSliceList:(ScheduledAudioSlice*)sliceList;

- (void)setSampleTimeStamp:(Float64)sampleTimeStamp;

- (void)setExtractionSession:(MovieAudioExtractionRef)extractionSessionRef;

@end