/usr/include/CLAM/OverlapAdd.hxx is in libclam-dev 1.4.0-7.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 | /*
* Copyright (c) 2001-2004 MUSIC TECHNOLOGY GROUP (MTG)
* UNIVERSITAT POMPEU FABRA
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef _OverlapAdd_
#define _OverlapAdd_
#include "Array.hxx"
#include "Audio.hxx"
#include "DataTypes.hxx"
#include "DynamicType.hxx"
#include "Processing.hxx"
#include "Storage.hxx"
#include "OverlapAddConfig.hxx"
#include "AudioInPort.hxx"
#include "AudioOutPort.hxx"
namespace CLAM {
class OverlapAdd;
/* Was:
For good results FrameSize should be the same as HopSize; and BufferSize should
be at least FrameSize+HopSize
*/
/** Configuration class for Overlapp Add Processing.
* HopSize configures the write size of the circular buffer (note that the write size is
* here understood as the portion of the frame that is overwritten, not added).
* FrameSize configures the read size of the circular buffer.
* BufferSize configures the overall physical size of the circular buffer.
* Currently, HopSize must be hop size, FrameSize must be hop size and
* BufferSize must be twice hop size (as it will do 50% overlap).
*/
/* OverlapAddConfig moved to OverlapAddConfig.hxx */
/** OverlapAdd Processing class.
* First half of the input buffer or audio (which is of buffer size) is added to
* existing data in the circular buffer (ie. 'mixed in'), second half overwrites
* existing data. When reading, only already overlapped regions should be given as
* output (this overlapped region and thus the output will be of frame size).
* @see OverlapAddConfig
*/
class OverlapAdd: public Processing
{
public:
OverlapAdd(const OverlapAddConfig &c=OverlapAddConfig());
~OverlapAdd();
const ProcessingConfig &GetConfig() const { return mConfig;}
/* do methods */
/** Unsupervised Do method, not implemented */
bool Do(void);
/** Do method
* @param in: input Audio (size must be buffer size).
* @param out: output Audio (size must be frame size).
*/
bool Do( const Audio &in, Audio &out);
private:
const char *GetClassName() const {return "OverlapAdd";}
/** Configuration change method
* @pre argument should be an OverlapAddConfig
*/
bool ConcreteConfigure(const ProcessingConfig&);
/* protected methods */
protected:
OverlapAddConfig mConfig;
AudioInPort mInput;
AudioOutPort mOutput;
Audio mTmp;
};
} //end of namespace CLAM
#endif // _OverlapAdd_
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