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/*
* Copyright (C) 2006-2016 David Robillard <d@drobilla.net>
* Copyright (C) 2007-2017 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2009-2012 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2016-2017 Nick Mainsbridge <mainsbridge@gmail.com>
* Copyright (C) 2016-2017 Robin Gareus <robin@gareus.org>
*
* 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 __ardour_midi_region_h__
#define __ardour_midi_region_h__
#include <vector>
#include "temporal/beats.h"
#include "evoral/Range.h"
#include "pbd/string_convert.h"
#include "ardour/ardour.h"
#include "ardour/midi_cursor.h"
#include "ardour/region.h"
class XMLNode;
namespace ARDOUR {
namespace Properties {
LIBARDOUR_API extern PBD::PropertyDescriptor<double> start_beats;
LIBARDOUR_API extern PBD::PropertyDescriptor<double> length_beats;
}
}
namespace Evoral {
template<typename Time> class EventSink;
}
namespace ARDOUR {
class MidiChannelFilter;
class MidiFilter;
class MidiModel;
class MidiSource;
class MidiStateTracker;
class Playlist;
class Route;
class Session;
template<typename T> class MidiRingBuffer;
class LIBARDOUR_API MidiRegion : public Region
{
public:
static void make_property_quarks ();
~MidiRegion();
bool do_export (std::string path) const;
boost::shared_ptr<MidiRegion> clone (std::string path = std::string()) const;
boost::shared_ptr<MidiRegion> clone (boost::shared_ptr<MidiSource>) const;
boost::shared_ptr<MidiSource> midi_source (uint32_t n=0) const;
/* Stub Readable interface */
virtual samplecnt_t read (Sample*, samplepos_t /*pos*/, samplecnt_t /*cnt*/, int /*channel*/) const { return 0; }
virtual samplecnt_t readable_length() const { return length(); }
samplecnt_t read_at (Evoral::EventSink<samplepos_t>& dst,
samplepos_t position,
samplecnt_t dur,
Evoral::Range<samplepos_t>* loop_range,
MidiCursor& cursor,
uint32_t chan_n = 0,
NoteMode mode = Sustained,
MidiStateTracker* tracker = 0,
MidiChannelFilter* filter = 0) const;
samplecnt_t master_read_at (MidiRingBuffer<samplepos_t>& dst,
samplepos_t position,
samplecnt_t dur,
Evoral::Range<samplepos_t>* loop_range,
MidiCursor& cursor,
uint32_t chan_n = 0,
NoteMode mode = Sustained) const;
XMLNode& state ();
int set_state (const XMLNode&, int version);
int separate_by_channel (std::vector< boost::shared_ptr<Region> >&) const;
/* automation */
boost::shared_ptr<Evoral::Control> control(const Evoral::Parameter& id, bool create=false);
virtual boost::shared_ptr<const Evoral::Control> control(const Evoral::Parameter& id) const;
/* export */
boost::shared_ptr<MidiModel> model();
boost::shared_ptr<const MidiModel> model() const;
void fix_negative_start ();
double start_beats () const {return _start_beats; }
double length_beats () const {return _length_beats; }
void clobber_sources (boost::shared_ptr<MidiSource> source);
int render (Evoral::EventSink<samplepos_t>& dst,
uint32_t chan_n,
NoteMode mode,
MidiChannelFilter* filter) const;
protected:
virtual bool can_trim_start_before_source_start () const {
return true;
}
private:
friend class RegionFactory;
PBD::Property<double> _start_beats;
PBD::Property<double> _length_beats;
MidiRegion (const SourceList&);
MidiRegion (boost::shared_ptr<const MidiRegion>);
MidiRegion (boost::shared_ptr<const MidiRegion>, ARDOUR::MusicSample offset);
samplecnt_t _read_at (const SourceList&, Evoral::EventSink<samplepos_t>& dst,
samplepos_t position,
samplecnt_t dur,
Evoral::Range<samplepos_t>* loop_range,
MidiCursor& cursor,
uint32_t chan_n = 0,
NoteMode mode = Sustained,
MidiStateTracker* tracker = 0,
MidiChannelFilter* filter = 0) const;
void register_properties ();
void post_set (const PBD::PropertyChange&);
void recompute_at_start ();
void recompute_at_end ();
bool set_name (const std::string & str);
void set_position_internal (samplepos_t pos, bool allow_bbt_recompute, const int32_t sub_num);
void set_position_music_internal (double qn);
void set_length_internal (samplecnt_t len, const int32_t sub_num);
void set_start_internal (samplecnt_t, const int32_t sub_num);
void trim_to_internal (samplepos_t position, samplecnt_t length, const int32_t sub_num);
void update_length_beats (const int32_t sub_num);
void model_changed ();
void model_contents_changed ();
void model_shifted (double qn_distance);
void model_automation_state_changed (Evoral::Parameter const &);
void set_start_beats_from_start_samples ();
void update_after_tempo_map_change (bool send_change = true);
std::set<Evoral::Parameter> _filtered_parameters; ///< parameters that we ask our source not to return when reading
PBD::ScopedConnection _model_connection;
PBD::ScopedConnection _model_shift_connection;
PBD::ScopedConnection _model_changed_connection;
PBD::ScopedConnection _source_connection;
PBD::ScopedConnection _model_contents_connection;
bool _ignore_shift;
};
} /* namespace ARDOUR */
#endif /* __ardour_midi_region_h__ */
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