/usr/include/tse3/TempoTrack.h is in libtse3-dev 0.3.1-4.3.
This file is owned by root:root, with mode 0o644.
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* @(#)TempoTrack.h 3.00 24 May 1999
*
* Copyright (c) 2000 Pete Goodliffe (pete@cthree.org)
*
* This file is part of TSE3 - the Trax Sequencer Engine version 3.00.
*
* This library is modifiable/redistributable under the terms of the GNU
* General Public License.
*
* You should have received a copy of the GNU General Public License along
* with this program; see the file COPYING. If not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#ifndef TSE3_TEMPOTRACK_H
#define TSE3_TEMPOTRACK_H
#include "tse3/listen/TempoTrack.h"
#include "tse3/Notifier.h"
#include "tse3/Playable.h"
#include "tse3/Serializable.h"
#include "tse3/EventTrack.h"
namespace TSE3
{
/**
* Tempo objects are simply integer values of a tempo change that occur in
* the Song, held in the @ref TempoTrack.
*
* This class defines the type that is used to create tempo events,
* which are of type @ref Event<@ref Tempo>.
*
* When streamed from a @ref Playable interface (using the
* @ref TempoTrackIterator class) Tempo objects are represented by a
* @ref MidiEvent containing a @ref MidiCommand_TSE_Meta @ref MidiCommand
* with data 1 byte as @ref MidiCommand_TSE_Meta_Tempo.
*
* Tempo is a value type.
*
* @short A tempo change
* @author Pete Goodliffe
* @version 3.00
* @see TempoTrack
* @see Event
*/
class Tempo
{
public:
/**
* Create a Tempo.
*
* @param t Tempo value
*/
Tempo(int t = 120) : tempo(t) {}
int tempo;
int operator==(const Tempo &f) const { return tempo == f.tempo; }
};
/**
* The TempoTrack provides a simple time ordered list of tempo changes
* in the @ref Song.
*
* There is one TempoTrack per @ref Song.
*
* @short A list of Tempo events
* @author Pete Goodliffe
* @version 3.00
* @see Event
* @see Tempo
*/
class TempoTrack : public EventTrack<Tempo>,
public Serializable
{
public:
/**
* Creates an empty TempoTrack.
*/
TempoTrack();
virtual ~TempoTrack();
/**
* Returns the status of the TempoTrack.
*
* A value of true means tempo events are generated, a value of
* false means no tempo events are generated
*
* @return TempoTrack status
* @see setStatus
*/
bool status() const { return _status; }
/**
* Set the TempoTrack status value.
*
* @param s New status
* @see status
*/
void setStatus(bool s) { _status = s; }
/**
* @reimplemented
*/
virtual PlayableIterator *iterator(Clock index);
/**
* @reimplemented
*/
virtual Clock lastClock() const;
/**
* @reimplemented
*/
virtual void save(std::ostream &o, int i) const;
/**
* @reimplemented
*/
virtual void load(std::istream &i, SerializableLoadInfo &info);
private:
TempoTrack &operator=(const TempoTrack &);
TempoTrack(const TempoTrack &);
/**
* Used by load to read events.
*/
void loadEvents(std::istream &i, int filePPQN);
bool _status;
};
}
#endif
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