// Copyright (c) 2009 Carlo McWhirter. All Rights Reserved.
// Copyright (c) 2009 Hyteq Systems. All Rights Reserved.
// Hyteq Systems Educational License
// This file is part of WM3DSpectrum, also known as 3D Spectrum Analyzer for
// Windows Media Player. This file, the project that this file is part of, and
// the resulting compiled program files are intended to be used for educational
// purposes only. Use of this file or this project for any non-educational or
// non-observatory purpose is strictly prohibited without the express written
// consent of all of the copyright holders listed above.
// This file may only be modified and later redistributed by one or more of the
// copyright holders listed above. Suggestions for bug fixes, enhancements,
// and other modifications must be sent directly to one of the copyright holders.
// This file may be modified without being redistributed by any recipient of
// this file provided the modifications are NOT intentionaly or unintentionaly
// directed toward malicious or illegal purposes, but, instead, toward educational
// purposes only.
// THIS SOFTWARE IS PROVIDED 'AS-IS', WITHOUT ANY EXPRESS OR IMPLIED
// WARRANTY. IN NO EVENT WILL THE AUTHORS BE HELD LIABLE FOR ANY DAMAGES
// ARISING FROM THE USE OF THIS SOFTWARE.
// This notice may not be removed from this file or altered in any manner.
// CLinearInterpolater is used to interpolate the 1024 frequencies provided by windows
// media player into 512 frequencies.
class CLinearInterpolator :
// Prepare the interpolation
virtual void PrepareInterpolation( TimedLevel* pLevel );
// Get the amplitudes as an interpolated color value.
virtual void GetAplitudesAtIndex( int index, float* fAudioAsColorL, float* fAudioAsColorR );
unsigned char m_LevelCacheL;
unsigned char m_LevelCacheR;
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