88 lines
2.6 KiB
C++
88 lines
2.6 KiB
C++
/*
|
|
* Copyright (C) 2021 Paul Davis <paul@linuxaudiosystems.com>
|
|
*
|
|
* 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.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#ifndef __libardour_segment_descriptor_h__
|
|
#define __libardour_segment_descriptor_h__
|
|
|
|
#include "temporal/timeline.h"
|
|
#include "temporal/tempo.h"
|
|
|
|
class XMLNode;
|
|
|
|
namespace ARDOUR {
|
|
|
|
/* An object that describes an extent (duration & position), along with a
|
|
* potentially expanding set of metadata about that extent (e.g. bpm, meter
|
|
* etc.)
|
|
*/
|
|
|
|
class SegmentDescriptor {
|
|
public:
|
|
SegmentDescriptor ();
|
|
SegmentDescriptor (XMLNode const &, int version);
|
|
|
|
/* This object does not use the tempo map to convert between time
|
|
* domains, since it describes things that are not (always) on the
|
|
* timeline.
|
|
*/
|
|
|
|
Temporal::TimeDomain time_domain() const { return _time_domain; }
|
|
|
|
void set_position (Temporal::samplepos_t);
|
|
void set_position (Temporal::Beats const &);
|
|
|
|
void set_duration (Temporal::samplecnt_t);
|
|
void set_duration (Temporal::Beats const &);
|
|
|
|
void set_extent (Temporal::samplepos_t pos, Temporal::samplecnt_t dur);
|
|
void set_extent (Temporal::Beats const & pos, Temporal::Beats const & dur);
|
|
|
|
Temporal::timecnt_t extent() const;
|
|
Temporal::timepos_t position() const { return extent().position(); }
|
|
|
|
Temporal::Tempo tempo() const { return _tempo; }
|
|
void set_tempo (Temporal::Tempo const&);
|
|
|
|
Temporal::Meter meter() const { return _meter; }
|
|
void set_meter (Temporal::Meter const&);
|
|
|
|
/* Replicate the API of PBD::Stateful without the overhead */
|
|
|
|
XMLNode& get_state () const;
|
|
int set_state (const XMLNode&, int version);
|
|
|
|
private:
|
|
Temporal::TimeDomain _time_domain;
|
|
|
|
/* cannot use a union for these because Temporal::Beats has a
|
|
"non-trivial" constructor.
|
|
*/
|
|
|
|
Temporal::samplepos_t _position_samples;
|
|
Temporal::Beats _position_beats;
|
|
Temporal::samplepos_t _duration_samples;
|
|
Temporal::Beats _duration_beats;
|
|
|
|
Temporal::Tempo _tempo;
|
|
Temporal::Meter _meter;
|
|
};
|
|
|
|
}
|
|
|
|
#endif /* __libardour_segment_descriptor_h__ */
|