/usr/include/tse3/MidiCommandFilter.h is in libtse3-dev 0.3.1-4.3ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* @(#)MidiCommandFilter.h 3.00 19 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_MIDICOMMANDFILTER_H
#define TSE3_MIDICOMMANDFILTER_H
#include "tse3/listen/MidiCommandFilter.h"
#include "tse3/Notifier.h"
namespace TSE3
{
class MidiCommand;
/**
* This class provides a configurable filter for the different kinds
* of @ref MidiCommand. It tells it's users whether a given @ref MidiCommand
* is to be used or not.
*
* The MidiCommandFilter considers MidiCommand_NoteOff and
* MidiCommand_NoteOns to be the same (otherwise you could produce 'hanging
* notes').
*
* @short Filter for MidiCommands
* @author Pete Goodliffe
* @version 3.00
* @see MidiCommand
*/
class MidiCommandFilter : public Notifier<MidiCommandFilterListener>
{
public:
/**
* By default, all the filters are enabled, that is all
* MidiCommands are passed through.
*/
MidiCommandFilter() : _filter(0xff) {}
/**
* Returns the status of a @ref MidiCommand filter.
*
* @param type A MidiCommand to filter
* (only the status is inspected)
* @return A boolean filter value:
* true for the MidiCommand being allowed through the
* filter,
* false for the MidiCommand being filtered out.
*/
bool filter(MidiCommand type) const;
/**
* Sets the status of a @ref MidiCommand filter.
*
* @param type A MidiCommand to set a filter for
* (only the status is inspected)
* @param A boolean filter value:
* true to allow the MidiCommand through the filter,
* false to prevent the MidiCommand passing the filter.
*/
void setFilterStatus(MidiCommand type, const bool status);
private:
int _filter; // filter statuses held in a bitfield
};
}
#endif
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