335 lines
9.8 KiB
C++
335 lines
9.8 KiB
C++
/*
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Copyright (C) 2007 Paul Davis
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Author: David Robillard
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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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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __ardour_midi_model_h__
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#define __ardour_midi_model_h__
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#include <deque>
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#include <queue>
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#include <utility>
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#include <boost/utility.hpp>
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#include <glibmm/threads.h>
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#include "pbd/command.h"
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#include "ardour/automatable_sequence.h"
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#include "ardour/libardour_visibility.h"
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#include "ardour/libardour_visibility.h"
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#include "ardour/types.h"
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#include "ardour/types.h"
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#include "ardour/variant.h"
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#include "evoral/Note.hpp"
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#include "evoral/Sequence.hpp"
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namespace ARDOUR {
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class Session;
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class MidiSource;
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/** This is a higher level (than MidiBuffer) model of MIDI data, with separate
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* representations for notes (instead of just unassociated note on/off events)
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* and controller data. Controller data is represented as part of the
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* Automatable base (i.e. in a map of AutomationList, keyed by Parameter).
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* Because of this MIDI controllers and automatable controllers/widgets/etc
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* are easily interchangeable.
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*/
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class LIBARDOUR_API MidiModel : public AutomatableSequence<Temporal::Beats> {
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public:
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typedef Temporal::Beats TimeType;
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MidiModel (boost::shared_ptr<MidiSource>);
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NoteMode note_mode() const { return (percussive() ? Percussive : Sustained); }
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void set_note_mode(NoteMode mode) { set_percussive(mode == Percussive); };
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class LIBARDOUR_API DiffCommand : public Command {
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public:
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DiffCommand (boost::shared_ptr<MidiModel> m, const std::string& name);
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const std::string& name () const { return _name; }
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virtual void operator() () = 0;
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virtual void undo () = 0;
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virtual int set_state (const XMLNode&, int version) = 0;
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virtual XMLNode & get_state () = 0;
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boost::shared_ptr<MidiModel> model() const { return _model; }
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protected:
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boost::shared_ptr<MidiModel> _model;
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const std::string _name;
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};
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class LIBARDOUR_API NoteDiffCommand : public DiffCommand {
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public:
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NoteDiffCommand (boost::shared_ptr<MidiModel> m, const std::string& name) : DiffCommand (m, name) {}
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NoteDiffCommand (boost::shared_ptr<MidiModel> m, const XMLNode& node);
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enum Property {
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NoteNumber,
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Velocity,
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StartTime,
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Length,
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Channel
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};
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void operator() ();
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void undo ();
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int set_state (const XMLNode&, int version);
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XMLNode & get_state ();
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void add (const NotePtr note);
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void remove (const NotePtr note);
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void side_effect_remove (const NotePtr note);
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void change (const NotePtr note, Property prop, uint8_t new_value) {
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change(note, prop, Variant(new_value));
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}
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void change (const NotePtr note, Property prop, TimeType new_time) {
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change(note, prop, Variant(new_time));
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}
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void change (const NotePtr note, Property prop, const Variant& new_value);
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bool adds_or_removes() const {
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return !_added_notes.empty() || !_removed_notes.empty();
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}
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NoteDiffCommand& operator+= (const NoteDiffCommand& other);
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static Variant get_value (const NotePtr note, Property prop);
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static Variant::Type value_type (Property prop);
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struct NoteChange {
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NoteDiffCommand::Property property;
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NotePtr note;
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uint32_t note_id;
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Variant old_value;
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Variant new_value;
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};
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typedef std::list<NoteChange> ChangeList;
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typedef std::list< boost::shared_ptr< Evoral::Note<TimeType> > > NoteList;
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const ChangeList& changes() const { return _changes; }
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const NoteList& added_notes() const { return _added_notes; }
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const NoteList& removed_notes() const { return _removed_notes; }
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private:
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ChangeList _changes;
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NoteList _added_notes;
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NoteList _removed_notes;
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std::set<NotePtr> side_effect_removals;
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XMLNode &marshal_change(const NoteChange&);
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NoteChange unmarshal_change(XMLNode *xml_note);
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XMLNode &marshal_note(const NotePtr note);
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NotePtr unmarshal_note(XMLNode *xml_note);
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};
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/* Currently this class only supports changes of sys-ex time, but could be expanded */
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class LIBARDOUR_API SysExDiffCommand : public DiffCommand {
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public:
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SysExDiffCommand (boost::shared_ptr<MidiModel> m, const XMLNode& node);
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enum Property {
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Time,
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};
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int set_state (const XMLNode&, int version);
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XMLNode & get_state ();
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void remove (SysExPtr sysex);
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void operator() ();
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void undo ();
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void change (boost::shared_ptr<Evoral::Event<TimeType> >, TimeType);
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private:
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struct Change {
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Change () : sysex_id (0) {}
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boost::shared_ptr<Evoral::Event<TimeType> > sysex;
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gint sysex_id;
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SysExDiffCommand::Property property;
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TimeType old_time;
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TimeType new_time;
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};
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typedef std::list<Change> ChangeList;
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ChangeList _changes;
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std::list<SysExPtr> _removed;
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XMLNode & marshal_change (const Change &);
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Change unmarshal_change (XMLNode *);
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};
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class LIBARDOUR_API PatchChangeDiffCommand : public DiffCommand {
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public:
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PatchChangeDiffCommand (boost::shared_ptr<MidiModel>, const std::string &);
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PatchChangeDiffCommand (boost::shared_ptr<MidiModel>, const XMLNode &);
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int set_state (const XMLNode &, int version);
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XMLNode & get_state ();
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void operator() ();
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void undo ();
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void add (PatchChangePtr);
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void remove (PatchChangePtr);
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void change_time (PatchChangePtr, TimeType);
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void change_channel (PatchChangePtr, uint8_t);
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void change_program (PatchChangePtr, uint8_t);
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void change_bank (PatchChangePtr, int);
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enum Property {
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Time,
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Channel,
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Program,
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Bank
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};
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private:
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struct Change {
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PatchChangePtr patch;
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Property property;
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gint patch_id;
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TimeType old_time;
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union {
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uint8_t old_channel;
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int old_bank;
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uint8_t old_program;
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};
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TimeType new_time;
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union {
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uint8_t new_channel;
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uint8_t new_program;
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int new_bank;
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};
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Change() : patch_id (-1) {}
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};
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typedef std::list<Change> ChangeList;
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ChangeList _changes;
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std::list<PatchChangePtr> _added;
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std::list<PatchChangePtr> _removed;
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XMLNode & marshal_change (const Change &);
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Change unmarshal_change (XMLNode *);
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XMLNode & marshal_patch_change (constPatchChangePtr);
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PatchChangePtr unmarshal_patch_change (XMLNode *);
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};
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MidiModel::NoteDiffCommand* new_note_diff_command (const std::string& name = "midi edit");
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MidiModel::SysExDiffCommand* new_sysex_diff_command (const std::string& name = "midi edit");
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MidiModel::PatchChangeDiffCommand* new_patch_change_diff_command (const std::string& name = "midi edit");
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void apply_command (Session& session, Command* cmd);
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void apply_command (Session* session, Command* cmd) { if (session) { apply_command (*session, cmd); } }
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void apply_command_as_subcommand (Session& session, Command* cmd);
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bool sync_to_source (const Glib::Threads::Mutex::Lock& source_lock);
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bool write_to(boost::shared_ptr<MidiSource> source,
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const Glib::Threads::Mutex::Lock& source_lock);
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bool write_section_to(boost::shared_ptr<MidiSource> source,
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const Glib::Threads::Mutex::Lock& source_lock,
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Temporal::Beats begin = Temporal::Beats(),
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Temporal::Beats end = std::numeric_limits<Temporal::Beats>::max(),
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bool offset_events = false);
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// MidiModel doesn't use the normal AutomationList serialisation code
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// since controller data is stored in the .mid
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XMLNode& get_state();
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int set_state(const XMLNode&) { return 0; }
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PBD::Signal0<void> ContentsChanged;
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PBD::Signal1<void, double> ContentsShifted;
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boost::shared_ptr<const MidiSource> midi_source ();
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void set_midi_source (boost::shared_ptr<MidiSource>);
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boost::shared_ptr<Evoral::Note<TimeType> > find_note (NotePtr);
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PatchChangePtr find_patch_change (Evoral::event_id_t);
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boost::shared_ptr<Evoral::Note<TimeType> > find_note (gint note_id);
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boost::shared_ptr<Evoral::Event<TimeType> > find_sysex (gint);
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InsertMergePolicy insert_merge_policy () const;
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void set_insert_merge_policy (InsertMergePolicy);
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boost::shared_ptr<Evoral::Control> control_factory(const Evoral::Parameter& id);
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void insert_silence_at_start (TimeType);
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void transpose (NoteDiffCommand *, const NotePtr, int);
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protected:
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int resolve_overlaps_unlocked (const NotePtr, void* arg = 0);
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private:
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struct WriteLockImpl : public AutomatableSequence<TimeType>::WriteLockImpl {
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WriteLockImpl(Glib::Threads::Mutex::Lock* slock, Glib::Threads::RWLock& s, Glib::Threads::Mutex& c)
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: AutomatableSequence<TimeType>::WriteLockImpl(s, c)
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, source_lock (slock)
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{}
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~WriteLockImpl() {
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delete source_lock;
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}
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Glib::Threads::Mutex::Lock* source_lock;
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};
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public:
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WriteLock edit_lock();
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private:
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friend class DeltaCommand;
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void source_interpolation_changed (Evoral::Parameter, Evoral::ControlList::InterpolationStyle);
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void source_automation_state_changed (Evoral::Parameter, AutoState);
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void control_list_interpolation_changed (Evoral::Parameter, Evoral::ControlList::InterpolationStyle);
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void automation_list_automation_state_changed (Evoral::Parameter, AutoState);
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void control_list_marked_dirty ();
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PBD::ScopedConnectionList _midi_source_connections;
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// We cannot use a boost::shared_ptr here to avoid a retain cycle
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boost::weak_ptr<MidiSource> _midi_source;
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InsertMergePolicy _insert_merge_policy;
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};
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} /* namespace ARDOUR */
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#endif /* __ardour_midi_model_h__ */
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