view transform/BeatDetectionFunctionTransform.h @ 9:73d85d19919f

* Add play-selection and looping modes.  Looping seems to work OK, but
  the plain play-selection is miscalculating current frame number to
  feed back to the GUI.
* Cache selection rectanges wherever possible in View::paintEvent.

/* -*- c-basic-offset: 4 -*-  vi:set ts=8 sts=4 sw=4: */

/*
    A waveform viewer and audio annotation editor.
    Chris Cannam, Queen Mary University of London, 2005-2006
   
    This is experimental software.  Not for distribution.
*/

#ifndef _BEAT_DETECTION_FUNCTION_TRANSFORM_H_
#define _BEAT_DETECTION_FUNCTION_TRANSFORM_H_

#include "Transform.h"

//!!! This should be replaced by a plugin, when we have a plugin
// transform.  But it's easier to start by testing concrete examples.

class DenseTimeValueModel;
class SparseTimeValueModel;

class BeatDetectionFunctionTransform : public Transform
{
public:
    BeatDetectionFunctionTransform(Model *inputModel);
    virtual ~BeatDetectionFunctionTransform();

    static TransformName getName();

protected:
    virtual void run();

    // just casts
    DenseTimeValueModel *getInput();
    SparseTimeValueModel *getOutput();
};

#endif