169 lines
5.3 KiB
C++
169 lines
5.3 KiB
C++
/*
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* Copyright (C) 2006-2016 David Robillard <d@drobilla.net>
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* Copyright (C) 2007-2017 Paul Davis <paul@linuxaudiosystems.com>
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* Copyright (C) 2009-2012 Carl Hetherington <carl@carlh.net>
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* Copyright (C) 2016-2017 Nick Mainsbridge <mainsbridge@gmail.com>
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* Copyright (C) 2016-2017 Robin Gareus <robin@gareus.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef __ardour_midi_region_h__
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#define __ardour_midi_region_h__
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#include <vector>
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#include "temporal/beats.h"
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#include "temporal/range.h"
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#include "pbd/string_convert.h"
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#include "ardour/ardour.h"
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#include "ardour/midi_cursor.h"
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#include "ardour/region.h"
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class XMLNode;
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namespace Evoral {
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template<typename Time> class EventSink;
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}
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namespace ARDOUR {
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class MidiChannelFilter;
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class MidiFilter;
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class MidiModel;
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class MidiSource;
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class MidiNoteTracker;
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class Playlist;
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class Route;
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class Session;
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class ThawList;
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template<typename T> class MidiRingBuffer;
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class LIBARDOUR_API MidiRegion : public Region
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{
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public:
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~MidiRegion();
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std::shared_ptr<MidiRegion> clone (std::string path = std::string()) const;
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std::shared_ptr<MidiRegion> clone (std::shared_ptr<MidiSource>, ThawList* tl = 0) const;
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std::shared_ptr<MidiSource> midi_source (uint32_t n=0) const;
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timecnt_t read_at (Evoral::EventSink<samplepos_t>& dst,
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timepos_t const & position,
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timecnt_t const & dur,
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Temporal::Range* loop_range,
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MidiCursor& cursor,
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uint32_t chan_n = 0,
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NoteMode mode = Sustained,
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MidiNoteTracker* tracker = 0,
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MidiChannelFilter* filter = 0) const;
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timecnt_t master_read_at (MidiRingBuffer<samplepos_t>& dst,
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timepos_t const & position,
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timecnt_t const & dur,
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Temporal::Range* loop_range,
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MidiCursor& cursor,
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uint32_t chan_n = 0,
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NoteMode mode = Sustained) const;
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void merge (std::shared_ptr<MidiRegion const>);
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XMLNode& state () const;
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int set_state (const XMLNode&, int version);
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int separate_by_channel (std::vector< std::shared_ptr<Region> >&) const;
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/* automation */
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std::shared_ptr<Evoral::Control> control(const Evoral::Parameter& id, bool create=false);
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virtual std::shared_ptr<const Evoral::Control> control(const Evoral::Parameter& id) const;
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/* export */
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bool do_export (std::string const& path) const;
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std::shared_ptr<MidiModel> model();
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std::shared_ptr<const MidiModel> model() const;
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void fix_negative_start ();
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void clobber_sources (std::shared_ptr<MidiSource> source);
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int render (Evoral::EventSink<samplepos_t>& dst,
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uint32_t chan_n,
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NoteMode mode,
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MidiChannelFilter* filter) const;
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int render_range (Evoral::EventSink<samplepos_t>& dst,
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uint32_t chan_n,
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NoteMode mode,
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timepos_t const & read_start,
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timecnt_t const & read_length,
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MidiChannelFilter* filter) const;
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protected:
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virtual bool can_trim_start_before_source_start () const {
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return true;
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}
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private:
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friend class RegionFactory;
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MidiRegion (const SourceList&);
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MidiRegion (std::shared_ptr<const MidiRegion>);
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MidiRegion (std::shared_ptr<const MidiRegion>, timecnt_t const & offset);
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timecnt_t _read_at (const SourceList&, Evoral::EventSink<samplepos_t>& dst,
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timepos_t const & position,
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timecnt_t const & dur,
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Temporal::Range* loop_range,
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MidiCursor& cursor,
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uint32_t chan_n = 0,
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NoteMode mode = Sustained,
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MidiNoteTracker* tracker = 0,
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MidiChannelFilter* filter = 0) const;
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void register_properties ();
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void recompute_at_start ();
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void recompute_at_end ();
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bool set_name (const std::string & str);
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void model_changed ();
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void model_contents_changed ();
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void model_shifted (timecnt_t qn_distance);
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void model_automation_state_changed (Evoral::Parameter const &);
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std::set<Evoral::Parameter> _filtered_parameters; ///< parameters that we ask our source not to return when reading
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PBD::ScopedConnection _model_connection;
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PBD::ScopedConnection _model_shift_connection;
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PBD::ScopedConnection _model_changed_connection;
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PBD::ScopedConnection _source_connection;
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PBD::ScopedConnection _model_contents_connection;
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bool _ignore_shift;
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};
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} /* namespace ARDOUR */
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#endif /* __ardour_midi_region_h__ */
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