Source/CocoaUI/CASonogramViewSharedData.h

/*
    File: CASonogramViewSharedData.h
Abstract: n/a
 Version: 1.0.1
 
Disclaimer: IMPORTANT:  This Apple software is supplied to you by Apple
Inc. ("Apple") in consideration of your agreement to the following
terms, and your use, installation, modification or redistribution of
this Apple software constitutes acceptance of these terms.  If you do
not agree with these terms, please do not use, install, modify or
redistribute this Apple software.
 
In consideration of your agreement to abide by the following terms, and
subject to these terms, Apple grants you a personal, non-exclusive
license, under Apple's copyrights in this original Apple software (the
"Apple Software"), to use, reproduce, modify and redistribute the Apple
Software, with or without modifications, in source and/or binary forms;
provided that if you redistribute the Apple Software in its entirety and
without modifications, you must retain this notice and the following
text and disclaimers in all such redistributions of the Apple Software.
Neither the name, trademarks, service marks or logos of Apple Inc. may
be used to endorse or promote products derived from the Apple Software
without specific prior written permission from Apple.  Except as
expressly stated in this notice, no other rights or licenses, express or
implied, are granted by Apple herein, including but not limited to any
patent rights that may be infringed by your derivative works or by other
works in which the Apple Software may be incorporated.
 
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
OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION,
MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED
AND WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE),
STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
 
Copyright (C) 2012 Apple Inc. All Rights Reserved.
 
*/
 
#ifndef __CASonogramViewSharedData_h__
#define __CASonogramViewSharedData_h__
 
#if !defined(__COREAUDIO_USE_FLAT_INCLUDES__)
    #include <CoreAudio/CoreAudioTypes.h>
#else
    #include <CoreAudioTypes.h>
#endif
 
#define kMaxNumAnalysisFrames   512
#define kMaxNumBins             512
#define kMaxSonogramLatency     512
 
typedef SInt64 SampleTime;
 
#pragma mark ___CASonogramView DataStructs
/*!
    @struct         SonogramOverview
    @abstract       A structure to hold a buffer of spectrum data for drawing.
    @field          mChannel
                        Which channel you want to draw.
    @field          mFetchStamp
                        The time last fetched.
    @field          mOverview
                       The data.
    @field          mNumBins
                        The number of bins.
    @field          mNumSlices
                        The number of slices.
    @field          mMaxAmp
                        The maximum amp.
    @field          mMinAmp
                        The minimum amp.                        
*/
 
 
struct SonogramOverview
{
    UInt32          mChannel;       // the view writes  
    UInt32          mNumSlices;     // the view writes
    AudioTimeStamp  mFetchStamp;    // the view writes
    
    UInt32          mNumBins;       // the au writes
    
    Float32         mMaxAmp;        // the au writes
    Float32         mMinAmp;        // the au writes
 
    Float32         mOverview[1];   // the au writes  
    
};
typedef struct SonogramOverview  SonogramOverview;
 
#endif