add _locked() variants to new tempo experiment
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--- gtk2_ardour/midi_region_view.cc
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+++ gtk2_ardour/midi_region_view.cc
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@@ -2516,7 +2516,7 @@ MidiRegionView::move_selection(double dx, double dy, double cumulative_dy)
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{
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typedef vector<boost::shared_ptr<NoteType> > PossibleChord;
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PossibleChord to_play;
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- Evoral::Beats earliest = Evoral::MaxBeats;
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+ Evoral::Beats earliest = std::numeric_limits<Evoral::Beats>::max();
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for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
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if ((*i)->note()->time() < earliest) {
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/*
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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<Evoral::Beats> {
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public:
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typedef Evoral::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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Evoral::Beats begin = Evoral::MinBeats,
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Evoral::Beats end = Evoral::MaxBeats,
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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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@ -0,0 +1,258 @@
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/*
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Copyright (C) 2006 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
|
||||
the Free Software Foundation; either version 2 of the License, or
|
||||
(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
|
||||
GNU General Public License for more details.
|
||||
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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., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __ardour_midi_source_h__
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#define __ardour_midi_source_h__
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#include <string>
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#include <time.h>
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#include <glibmm/threads.h>
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#include <boost/enable_shared_from_this.hpp>
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#include "pbd/stateful.h"
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#include "pbd/xml++.h"
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#include "evoral/Sequence.hpp"
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#include "evoral/Range.hpp"
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#include "ardour/ardour.h"
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#include "ardour/buffer.h"
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#include "ardour/midi_cursor.h"
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#include "ardour/source.h"
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#include "ardour/beats_frames_converter.h"
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namespace ARDOUR {
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class MidiChannelFilter;
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class MidiModel;
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class MidiStateTracker;
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template<typename T> class MidiRingBuffer;
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/** Source for MIDI data */
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class LIBARDOUR_API MidiSource : virtual public Source, public boost::enable_shared_from_this<MidiSource>
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{
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public:
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typedef Evoral::Beats TimeType;
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MidiSource (Session& session, std::string name, Source::Flag flags = Source::Flag(0));
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MidiSource (Session& session, const XMLNode&);
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virtual ~MidiSource ();
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/** Write the data in the given time range to another MidiSource
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* \param newsrc MidiSource to which data will be written. Should be a
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* new, empty source. If it already has contents, the results are
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* undefined. Source must be writable.
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* \param begin time of earliest event that can be written.
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* \param end time of latest event that can be written.
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* \return zero on success, non-zero if the write failed for any reason.
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*/
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int write_to (const Lock& lock,
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boost::shared_ptr<MidiSource> newsrc,
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Evoral::Beats begin = Evoral::MinBeats,
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Evoral::Beats end = Evoral::MaxBeats);
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/** Export the midi data in the given time range to another MidiSource
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* \param newsrc MidiSource to which data will be written. Should be a
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* new, empty source. If it already has contents, the results are
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* undefined. Source must be writable.
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* \param begin time of earliest event that can be written.
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* \param end time of latest event that can be written.
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* \return zero on success, non-zero if the write failed for any reason.
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*/
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int export_write_to (const Lock& lock,
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boost::shared_ptr<MidiSource> newsrc,
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Evoral::Beats begin,
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Evoral::Beats end);
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/** Read the data in a given time range from the MIDI source.
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* All time stamps in parameters are in audio frames (even if the source has tempo time).
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* \param dst Ring buffer where read events are written.
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* \param source_start Start position of the SOURCE in this read context.
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* \param start Start of range to be read.
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* \param cnt Length of range to be read (in audio frames).
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* \param loop_range If non-null, all event times will be mapped into this loop range.
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* \param tracker an optional pointer to MidiStateTracker object, for note on/off tracking.
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* \param filtered Parameters whose MIDI messages will not be returned.
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*/
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virtual framecnt_t midi_read (const Lock& lock,
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Evoral::EventSink<framepos_t>& dst,
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framepos_t source_start,
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framepos_t start,
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framecnt_t cnt,
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Evoral::Range<framepos_t>* loop_range,
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MidiCursor& cursor,
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MidiStateTracker* tracker,
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MidiChannelFilter* filter,
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const std::set<Evoral::Parameter>& filtered,
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const double pulse,
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const double start_beats) const;
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/** Write data from a MidiRingBuffer to this source.
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* @param source Source to read from.
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* @param source_start This source's start position in session frames.
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* @param cnt The length of time to write.
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*/
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virtual framecnt_t midi_write (const Lock& lock,
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MidiRingBuffer<framepos_t>& src,
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framepos_t source_start,
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framecnt_t cnt);
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/** Append a single event with a timestamp in beats.
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*
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* Caller must ensure that the event is later than the last written event.
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*/
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virtual void append_event_beats(const Lock& lock,
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const Evoral::Event<Evoral::Beats>& ev) = 0;
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/** Append a single event with a timestamp in frames.
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*
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* Caller must ensure that the event is later than the last written event.
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*/
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virtual void append_event_frames(const Lock& lock,
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const Evoral::Event<framepos_t>& ev,
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framepos_t source_start) = 0;
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|
||||
virtual bool empty () const;
|
||||
virtual framecnt_t length (framepos_t pos) const;
|
||||
virtual void update_length (framecnt_t);
|
||||
|
||||
virtual void mark_streaming_midi_write_started (const Lock& lock, NoteMode mode);
|
||||
virtual void mark_streaming_write_started (const Lock& lock);
|
||||
virtual void mark_streaming_write_completed (const Lock& lock);
|
||||
|
||||
/** Mark write starting with the given time parameters.
|
||||
*
|
||||
* This is called by MidiDiskStream::process before writing to the capture
|
||||
* buffer which will be later read by midi_read().
|
||||
*
|
||||
* @param position The timeline position the source now starts at.
|
||||
* @param capture_length The current length of the capture, which may not
|
||||
* be zero if record is armed while rolling.
|
||||
* @param loop_length The loop length if looping, otherwise zero.
|
||||
*/
|
||||
void mark_write_starting_now (framecnt_t position,
|
||||
framecnt_t capture_length,
|
||||
framecnt_t loop_length);
|
||||
|
||||
/* like ::mark_streaming_write_completed() but with more arguments to
|
||||
* allow control over MIDI-specific behaviour. Expected to be used only
|
||||
* when recording actual MIDI input, rather then when importing files
|
||||
* etc.
|
||||
*/
|
||||
virtual void mark_midi_streaming_write_completed (
|
||||
const Lock& lock,
|
||||
Evoral::Sequence<Evoral::Beats>::StuckNoteOption stuck_option,
|
||||
Evoral::Beats when = Evoral::Beats());
|
||||
|
||||
virtual void session_saved();
|
||||
|
||||
std::string captured_for() const { return _captured_for; }
|
||||
void set_captured_for (std::string str) { _captured_for = str; }
|
||||
|
||||
XMLNode& get_state ();
|
||||
int set_state (const XMLNode&, int version);
|
||||
|
||||
bool length_mutable() const { return true; }
|
||||
|
||||
void set_length_beats(TimeType l) { _length_beats = l; }
|
||||
TimeType length_beats() const { return _length_beats; }
|
||||
|
||||
virtual void load_model(const Glib::Threads::Mutex::Lock& lock, bool force_reload=false) = 0;
|
||||
virtual void destroy_model(const Glib::Threads::Mutex::Lock& lock) = 0;
|
||||
|
||||
/** Reset cached information (like iterators) when things have changed.
|
||||
* @param lock Source lock, which must be held by caller.
|
||||
*/
|
||||
void invalidate(const Glib::Threads::Mutex::Lock& lock);
|
||||
|
||||
/** Thou shalt not emit this directly, use invalidate() instead. */
|
||||
mutable PBD::Signal1<void, bool> Invalidated;
|
||||
|
||||
void set_note_mode(const Glib::Threads::Mutex::Lock& lock, NoteMode mode);
|
||||
|
||||
boost::shared_ptr<MidiModel> model() { return _model; }
|
||||
void set_model(const Glib::Threads::Mutex::Lock& lock, boost::shared_ptr<MidiModel>);
|
||||
void drop_model(const Glib::Threads::Mutex::Lock& lock);
|
||||
|
||||
Evoral::ControlList::InterpolationStyle interpolation_of (Evoral::Parameter) const;
|
||||
void set_interpolation_of (Evoral::Parameter, Evoral::ControlList::InterpolationStyle);
|
||||
void copy_interpolation_from (boost::shared_ptr<MidiSource>);
|
||||
void copy_interpolation_from (MidiSource *);
|
||||
|
||||
AutoState automation_state_of (Evoral::Parameter) const;
|
||||
void set_automation_state_of (Evoral::Parameter, AutoState);
|
||||
void copy_automation_state_from (boost::shared_ptr<MidiSource>);
|
||||
void copy_automation_state_from (MidiSource *);
|
||||
|
||||
/** Emitted when a different MidiModel is set */
|
||||
PBD::Signal0<void> ModelChanged;
|
||||
/** Emitted when a parameter's interpolation style is changed */
|
||||
PBD::Signal2<void, Evoral::Parameter, Evoral::ControlList::InterpolationStyle> InterpolationChanged;
|
||||
/** Emitted when a parameter's automation state is changed */
|
||||
PBD::Signal2<void, Evoral::Parameter, AutoState> AutomationStateChanged;
|
||||
|
||||
protected:
|
||||
virtual void flush_midi(const Lock& lock) = 0;
|
||||
|
||||
virtual framecnt_t read_unlocked (const Lock& lock,
|
||||
Evoral::EventSink<framepos_t>& dst,
|
||||
framepos_t position,
|
||||
framepos_t start,
|
||||
framecnt_t cnt,
|
||||
Evoral::Range<framepos_t>* loop_range,
|
||||
MidiStateTracker* tracker,
|
||||
MidiChannelFilter* filter) const = 0;
|
||||
|
||||
/** Write data to this source from a MidiRingBuffer.
|
||||
* @param source Buffer to read from.
|
||||
* @param position This source's start position in session frames.
|
||||
* @param cnt The duration of this block to write for.
|
||||
*/
|
||||
virtual framecnt_t write_unlocked (const Lock& lock,
|
||||
MidiRingBuffer<framepos_t>& source,
|
||||
framepos_t position,
|
||||
framecnt_t cnt) = 0;
|
||||
|
||||
std::string _captured_for;
|
||||
|
||||
boost::shared_ptr<MidiModel> _model;
|
||||
bool _writing;
|
||||
|
||||
Evoral::Beats _length_beats;
|
||||
|
||||
/** The total duration of the current capture. */
|
||||
framepos_t _capture_length;
|
||||
|
||||
/** Length of transport loop during current capture, or zero. */
|
||||
framepos_t _capture_loop_length;
|
||||
|
||||
/** Map of interpolation styles to use for Parameters; if they are not in this map,
|
||||
* the correct interpolation style can be obtained from EventTypeMap::interpolation_of ()
|
||||
*/
|
||||
typedef std::map<Evoral::Parameter, Evoral::ControlList::InterpolationStyle> InterpolationStyleMap;
|
||||
InterpolationStyleMap _interpolation_style;
|
||||
|
||||
/** Map of automation states to use for Parameters; if they are not in this map,
|
||||
* the correct automation state is Off.
|
||||
*/
|
||||
typedef std::map<Evoral::Parameter, AutoState> AutomationStateMap;
|
||||
AutomationStateMap _automation_state;
|
||||
};
|
||||
|
||||
}
|
||||
|
||||
#endif /* __ardour_midi_source_h__ */
|
||||
|
|
@ -0,0 +1,580 @@
|
|||
/*
|
||||
Copyright (C) 2006 Paul Davis
|
||||
Author: David Robillard
|
||||
|
||||
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., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
*/
|
||||
|
||||
#include <sys/stat.h>
|
||||
#include <unistd.h>
|
||||
#include <fcntl.h>
|
||||
#include <float.h>
|
||||
#include <cerrno>
|
||||
#include <ctime>
|
||||
#include <cmath>
|
||||
#include <iomanip>
|
||||
#include <algorithm>
|
||||
|
||||
#include <glibmm/fileutils.h>
|
||||
#include <glibmm/miscutils.h>
|
||||
|
||||
#include "pbd/xml++.h"
|
||||
#include "pbd/pthread_utils.h"
|
||||
#include "pbd/basename.h"
|
||||
|
||||
#include "evoral/Control.hpp"
|
||||
#include "evoral/EventSink.hpp"
|
||||
|
||||
#include "ardour/debug.h"
|
||||
#include "ardour/file_source.h"
|
||||
#include "ardour/midi_channel_filter.h"
|
||||
#include "ardour/midi_cursor.h"
|
||||
#include "ardour/midi_model.h"
|
||||
#include "ardour/midi_source.h"
|
||||
#include "ardour/midi_state_tracker.h"
|
||||
#include "ardour/session.h"
|
||||
#include "ardour/session_directory.h"
|
||||
#include "ardour/source_factory.h"
|
||||
#include "ardour/tempo.h"
|
||||
|
||||
#include "pbd/i18n.h"
|
||||
|
||||
namespace ARDOUR { template <typename T> class MidiRingBuffer; }
|
||||
|
||||
using namespace std;
|
||||
using namespace ARDOUR;
|
||||
using namespace PBD;
|
||||
|
||||
MidiSource::MidiSource (Session& s, string name, Source::Flag flags)
|
||||
: Source(s, DataType::MIDI, name, flags)
|
||||
, _writing(false)
|
||||
, _length_beats(0.0)
|
||||
, _capture_length(0)
|
||||
, _capture_loop_length(0)
|
||||
{
|
||||
}
|
||||
|
||||
MidiSource::MidiSource (Session& s, const XMLNode& node)
|
||||
: Source(s, node)
|
||||
, _writing(false)
|
||||
, _length_beats(0.0)
|
||||
, _capture_length(0)
|
||||
, _capture_loop_length(0)
|
||||
{
|
||||
if (set_state (node, Stateful::loading_state_version)) {
|
||||
throw failed_constructor();
|
||||
}
|
||||
}
|
||||
|
||||
MidiSource::~MidiSource ()
|
||||
{
|
||||
/* invalidate any existing iterators */
|
||||
Invalidated (false);
|
||||
}
|
||||
|
||||
XMLNode&
|
||||
MidiSource::get_state ()
|
||||
{
|
||||
XMLNode& node (Source::get_state());
|
||||
|
||||
if (_captured_for.length()) {
|
||||
node.set_property ("captured-for", _captured_for);
|
||||
}
|
||||
|
||||
for (InterpolationStyleMap::const_iterator i = _interpolation_style.begin(); i != _interpolation_style.end(); ++i) {
|
||||
XMLNode* child = node.add_child (X_("InterpolationStyle"));
|
||||
child->set_property (X_("parameter"), EventTypeMap::instance().to_symbol (i->first));
|
||||
child->set_property (X_("style"), enum_2_string (i->second));
|
||||
}
|
||||
|
||||
for (AutomationStateMap::const_iterator i = _automation_state.begin(); i != _automation_state.end(); ++i) {
|
||||
XMLNode* child = node.add_child (X_("AutomationState"));
|
||||
child->set_property (X_("parameter"), EventTypeMap::instance().to_symbol (i->first));
|
||||
child->set_property (X_("state"), enum_2_string (i->second));
|
||||
}
|
||||
|
||||
return node;
|
||||
}
|
||||
|
||||
int
|
||||
MidiSource::set_state (const XMLNode& node, int /*version*/)
|
||||
{
|
||||
node.get_property ("captured-for", _captured_for);
|
||||
|
||||
std::string str;
|
||||
XMLNodeList children = node.children ();
|
||||
for (XMLNodeConstIterator i = children.begin(); i != children.end(); ++i) {
|
||||
if ((*i)->name() == X_("InterpolationStyle")) {
|
||||
if (!(*i)->get_property (X_("parameter"), str)) {
|
||||
error << _("Missing parameter property on InterpolationStyle") << endmsg;
|
||||
return -1;
|
||||
}
|
||||
Evoral::Parameter p = EventTypeMap::instance().from_symbol (str);
|
||||
|
||||
if (!(*i)->get_property (X_("style"), str)) {
|
||||
error << _("Missing style property on InterpolationStyle") << endmsg;
|
||||
return -1;
|
||||
}
|
||||
Evoral::ControlList::InterpolationStyle s =
|
||||
static_cast<Evoral::ControlList::InterpolationStyle>(string_2_enum (str, s));
|
||||
set_interpolation_of (p, s);
|
||||
|
||||
} else if ((*i)->name() == X_("AutomationState")) {
|
||||
if (!(*i)->get_property (X_("parameter"), str)) {
|
||||
error << _("Missing parameter property on AutomationState") << endmsg;
|
||||
return -1;
|
||||
}
|
||||
Evoral::Parameter p = EventTypeMap::instance().from_symbol (str);
|
||||
|
||||
if (!(*i)->get_property (X_("state"), str)) {
|
||||
error << _("Missing state property on AutomationState") << endmsg;
|
||||
return -1;
|
||||
}
|
||||
AutoState s = static_cast<AutoState>(string_2_enum (str, s));
|
||||
set_automation_state_of (p, s);
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
bool
|
||||
MidiSource::empty () const
|
||||
{
|
||||
return !_length_beats;
|
||||
}
|
||||
|
||||
framecnt_t
|
||||
MidiSource::length (framepos_t pos) const
|
||||
{
|
||||
if (!_length_beats) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
BeatsFramesConverter converter(_session.tempo_map(), pos);
|
||||
return converter.to(_length_beats);
|
||||
}
|
||||
|
||||
void
|
||||
MidiSource::update_length (framecnt_t)
|
||||
{
|
||||
// You're not the boss of me!
|
||||
}
|
||||
|
||||
void
|
||||
MidiSource::invalidate (const Lock& lock)
|
||||
{
|
||||
Invalidated(_session.transport_rolling());
|
||||
}
|
||||
|
||||
framecnt_t
|
||||
MidiSource::midi_read (const Lock& lm,
|
||||
Evoral::EventSink<framepos_t>& dst,
|
||||
framepos_t source_start,
|
||||
framepos_t start,
|
||||
framecnt_t cnt,
|
||||
Evoral::Range<framepos_t>* loop_range,
|
||||
MidiCursor& cursor,
|
||||
MidiStateTracker* tracker,
|
||||
MidiChannelFilter* filter,
|
||||
const std::set<Evoral::Parameter>& filtered,
|
||||
const double pos_beats,
|
||||
const double start_beats) const
|
||||
{
|
||||
BeatsFramesConverter converter(_session.tempo_map(), source_start);
|
||||
|
||||
const double start_qn = pos_beats - start_beats;
|
||||
|
||||
DEBUG_TRACE (DEBUG::MidiSourceIO,
|
||||
string_compose ("MidiSource::midi_read() %5 sstart %1 start %2 cnt %3 tracker %4\n",
|
||||
source_start, start, cnt, tracker, name()));
|
||||
|
||||
if (!_model) {
|
||||
return read_unlocked (lm, dst, source_start, start, cnt, loop_range, tracker, filter);
|
||||
}
|
||||
|
||||
// Find appropriate model iterator
|
||||
Evoral::Sequence<Evoral::Beats>::const_iterator& i = cursor.iter;
|
||||
const bool linear_read = cursor.last_read_end != 0 && start == cursor.last_read_end;
|
||||
if (!linear_read || !i.valid()) {
|
||||
/* Cached iterator is invalid, search for the first event past start.
|
||||
Note that multiple tracks can use a MidiSource simultaneously, so
|
||||
all playback state must be in parameters (the cursor) and must not
|
||||
be cached in the source of model itself.
|
||||
See http://tracker.ardour.org/view.php?id=6541
|
||||
*/
|
||||
cursor.connect(Invalidated);
|
||||
cursor.iter = _model->begin(converter.from(start), false, filtered, &cursor.active_notes);
|
||||
cursor.active_notes.clear();
|
||||
}
|
||||
|
||||
cursor.last_read_end = start + cnt;
|
||||
|
||||
// Copy events in [start, start + cnt) into dst
|
||||
for (; i != _model->end(); ++i) {
|
||||
|
||||
// Offset by source start to convert event time to session time
|
||||
|
||||
framepos_t time_frames = _session.tempo_map().frame_at_quarter_note (i->time().to_double() + start_qn);
|
||||
|
||||
if (time_frames < start + source_start) {
|
||||
/* event too early */
|
||||
|
||||
continue;
|
||||
|
||||
} else if (time_frames >= start + cnt + source_start) {
|
||||
|
||||
DEBUG_TRACE (DEBUG::MidiSourceIO,
|
||||
string_compose ("%1: reached end with event @ %2 vs. %3\n",
|
||||
_name, time_frames, start+cnt));
|
||||
break;
|
||||
|
||||
} else {
|
||||
|
||||
/* in range */
|
||||
|
||||
if (loop_range) {
|
||||
time_frames = loop_range->squish (time_frames);
|
||||
}
|
||||
|
||||
const uint8_t status = i->buffer()[0];
|
||||
const bool is_channel_event = (0x80 <= (status & 0xF0)) && (status <= 0xE0);
|
||||
if (filter && is_channel_event) {
|
||||
/* Copy event so the filter can modify the channel. I'm not
|
||||
sure if this is necessary here (channels are mapped later in
|
||||
buffers anyway), but it preserves existing behaviour without
|
||||
destroying events in the model during read. */
|
||||
Evoral::Event<Evoral::Beats> ev(*i, true);
|
||||
if (!filter->filter(ev.buffer(), ev.size())) {
|
||||
dst.write(time_frames, ev.event_type(), ev.size(), ev.buffer());
|
||||
} else {
|
||||
DEBUG_TRACE (DEBUG::MidiSourceIO,
|
||||
string_compose ("%1: filter event @ %2 type %3 size %4\n",
|
||||
_name, time_frames, i->event_type(), i->size()));
|
||||
}
|
||||
} else {
|
||||
dst.write (time_frames, i->event_type(), i->size(), i->buffer());
|
||||
}
|
||||
|
||||
#ifndef NDEBUG
|
||||
if (DEBUG_ENABLED(DEBUG::MidiSourceIO)) {
|
||||
DEBUG_STR_DECL(a);
|
||||
DEBUG_STR_APPEND(a, string_compose ("%1 added event @ %2 sz %3 within %4 .. %5 ",
|
||||
_name, time_frames, i->size(),
|
||||
start + source_start, start + cnt + source_start));
|
||||
for (size_t n=0; n < i->size(); ++n) {
|
||||
DEBUG_STR_APPEND(a,hex);
|
||||
DEBUG_STR_APPEND(a,"0x");
|
||||
DEBUG_STR_APPEND(a,(int)i->buffer()[n]);
|
||||
DEBUG_STR_APPEND(a,' ');
|
||||
}
|
||||
DEBUG_STR_APPEND(a,'\n');
|
||||
DEBUG_TRACE (DEBUG::MidiSourceIO, DEBUG_STR(a).str());
|
||||
}
|
||||
#endif
|
||||
|
||||
if (tracker) {
|
||||
tracker->track (*i);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return cnt;
|
||||
}
|
||||
|
||||
framecnt_t
|
||||
MidiSource::midi_write (const Lock& lm,
|
||||
MidiRingBuffer<framepos_t>& source,
|
||||
framepos_t source_start,
|
||||
framecnt_t cnt)
|
||||
{
|
||||
const framecnt_t ret = write_unlocked (lm, source, source_start, cnt);
|
||||
|
||||
if (cnt == max_framecnt) {
|
||||
invalidate(lm);
|
||||
} else {
|
||||
_capture_length += cnt;
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
void
|
||||
MidiSource::mark_streaming_midi_write_started (const Lock& lock, NoteMode mode)
|
||||
{
|
||||
if (_model) {
|
||||
_model->set_note_mode (mode);
|
||||
_model->start_write ();
|
||||
}
|
||||
|
||||
_writing = true;
|
||||
}
|
||||
|
||||
void
|
||||
MidiSource::mark_write_starting_now (framecnt_t position,
|
||||
framecnt_t capture_length,
|
||||
framecnt_t loop_length)
|
||||
{
|
||||
/* I'm not sure if this is the best way to approach this, but
|
||||
_capture_length needs to be set up with the transport frame
|
||||
when a record actually starts, as it is used by
|
||||
SMFSource::write_unlocked to decide whether incoming notes
|
||||
are within the correct time range.
|
||||
mark_streaming_midi_write_started (perhaps a more logical
|
||||
place to do this) is not called at exactly the time when
|
||||
record starts, and I don't think it necessarily can be
|
||||
because it is not RT-safe.
|
||||
*/
|
||||
|
||||
set_timeline_position(position);
|
||||
_capture_length = capture_length;
|
||||
_capture_loop_length = loop_length;
|
||||
|
||||
TempoMap& map (_session.tempo_map());
|
||||
BeatsFramesConverter converter(map, position);
|
||||
_length_beats = converter.from(capture_length);
|
||||
}
|
||||
|
||||
void
|
||||
MidiSource::mark_streaming_write_started (const Lock& lock)
|
||||
{
|
||||
NoteMode note_mode = _model ? _model->note_mode() : Sustained;
|
||||
mark_streaming_midi_write_started (lock, note_mode);
|
||||
}
|
||||
|
||||
void
|
||||
MidiSource::mark_midi_streaming_write_completed (const Lock& lock,
|
||||
Evoral::Sequence<Evoral::Beats>::StuckNoteOption option,
|
||||
Evoral::Beats end)
|
||||
{
|
||||
if (_model) {
|
||||
_model->end_write (option, end);
|
||||
|
||||
/* Make captured controls discrete to play back user input exactly. */
|
||||
for (MidiModel::Controls::iterator i = _model->controls().begin(); i != _model->controls().end(); ++i) {
|
||||
if (i->second->list()) {
|
||||
i->second->list()->set_interpolation(Evoral::ControlList::Discrete);
|
||||
_interpolation_style.insert(std::make_pair(i->second->parameter(), Evoral::ControlList::Discrete));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
invalidate(lock);
|
||||
_writing = false;
|
||||
}
|
||||
|
||||
void
|
||||
MidiSource::mark_streaming_write_completed (const Lock& lock)
|
||||
{
|
||||
mark_midi_streaming_write_completed (lock, Evoral::Sequence<Evoral::Beats>::DeleteStuckNotes);
|
||||
}
|
||||
|
||||
int
|
||||
MidiSource::export_write_to (const Lock& lock, boost::shared_ptr<MidiSource> newsrc, Evoral::Beats begin, Evoral::Beats end)
|
||||
{
|
||||
Lock newsrc_lock (newsrc->mutex ());
|
||||
|
||||
if (!_model) {
|
||||
error << string_compose (_("programming error: %1"), X_("no model for MidiSource during export"));
|
||||
return -1;
|
||||
}
|
||||
|
||||
_model->write_section_to (newsrc, newsrc_lock, begin, end, true);
|
||||
|
||||
newsrc->flush_midi(newsrc_lock);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int
|
||||
MidiSource::write_to (const Lock& lock, boost::shared_ptr<MidiSource> newsrc, Evoral::Beats begin, Evoral::Beats end)
|
||||
{
|
||||
Lock newsrc_lock (newsrc->mutex ());
|
||||
|
||||
newsrc->set_timeline_position (_timeline_position);
|
||||
newsrc->copy_interpolation_from (this);
|
||||
newsrc->copy_automation_state_from (this);
|
||||
|
||||
if (_model) {
|
||||
if (begin == Evoral::MinBeats && end == Evoral::MaxBeats) {
|
||||
_model->write_to (newsrc, newsrc_lock);
|
||||
} else {
|
||||
_model->write_section_to (newsrc, newsrc_lock, begin, end);
|
||||
}
|
||||
} else {
|
||||
error << string_compose (_("programming error: %1"), X_("no model for MidiSource during ::clone()"));
|
||||
return -1;
|
||||
}
|
||||
|
||||
newsrc->flush_midi(newsrc_lock);
|
||||
|
||||
/* force a reload of the model if the range is partial */
|
||||
|
||||
if (begin != Evoral::MinBeats || end != Evoral::MaxBeats) {
|
||||
newsrc->load_model (newsrc_lock, true);
|
||||
} else {
|
||||
newsrc->set_model (newsrc_lock, _model);
|
||||
}
|
||||
|
||||
/* this file is not removable (but since it is MIDI, it is mutable) */
|
||||
|
||||
boost::dynamic_pointer_cast<FileSource> (newsrc)->prevent_deletion ();
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
void
|
||||
MidiSource::session_saved()
|
||||
{
|
||||
Lock lm (_lock);
|
||||
|
||||
/* this writes a copy of the data to disk.
|
||||
XXX do we need to do this every time?
|
||||
*/
|
||||
|
||||
if (_model && _model->edited()) {
|
||||
/* The model is edited, write its contents into the current source
|
||||
file (overwiting previous contents). */
|
||||
|
||||
/* Temporarily drop our reference to the model so that as the model
|
||||
pushes its current state to us, we don't try to update it. */
|
||||
boost::shared_ptr<MidiModel> mm = _model;
|
||||
_model.reset ();
|
||||
|
||||
/* Flush model contents to disk. */
|
||||
mm->sync_to_source (lm);
|
||||
|
||||
/* Reacquire model. */
|
||||
_model = mm;
|
||||
|
||||
} else {
|
||||
flush_midi(lm);
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
MidiSource::set_note_mode(const Lock& lock, NoteMode mode)
|
||||
{
|
||||
if (_model) {
|
||||
_model->set_note_mode(mode);
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
MidiSource::drop_model (const Lock& lock)
|
||||
{
|
||||
_model.reset();
|
||||
invalidate(lock);
|
||||
ModelChanged (); /* EMIT SIGNAL */
|
||||
}
|
||||
|
||||
void
|
||||
MidiSource::set_model (const Lock& lock, boost::shared_ptr<MidiModel> m)
|
||||
{
|
||||
_model = m;
|
||||
invalidate(lock);
|
||||
ModelChanged (); /* EMIT SIGNAL */
|
||||
}
|
||||
|
||||
Evoral::ControlList::InterpolationStyle
|
||||
MidiSource::interpolation_of (Evoral::Parameter p) const
|
||||
{
|
||||
InterpolationStyleMap::const_iterator i = _interpolation_style.find (p);
|
||||
if (i == _interpolation_style.end()) {
|
||||
return EventTypeMap::instance().interpolation_of (p);
|
||||
}
|
||||
|
||||
return i->second;
|
||||
}
|
||||
|
||||
AutoState
|
||||
MidiSource::automation_state_of (Evoral::Parameter p) const
|
||||
{
|
||||
AutomationStateMap::const_iterator i = _automation_state.find (p);
|
||||
if (i == _automation_state.end()) {
|
||||
/* default to `play', otherwise if MIDI is recorded /
|
||||
imported with controllers etc. they are by default
|
||||
not played back, which is a little surprising.
|
||||
*/
|
||||
return Play;
|
||||
}
|
||||
|
||||
return i->second;
|
||||
}
|
||||
|
||||
/** Set interpolation style to be used for a given parameter. This change will be
|
||||
* propagated to anyone who needs to know.
|
||||
*/
|
||||
void
|
||||
MidiSource::set_interpolation_of (Evoral::Parameter p, Evoral::ControlList::InterpolationStyle s)
|
||||
{
|
||||
if (interpolation_of (p) == s) {
|
||||
return;
|
||||
}
|
||||
|
||||
if (EventTypeMap::instance().interpolation_of (p) == s) {
|
||||
/* interpolation type is being set to the default, so we don't need a note in our map */
|
||||
_interpolation_style.erase (p);
|
||||
} else {
|
||||
_interpolation_style[p] = s;
|
||||
}
|
||||
|
||||
InterpolationChanged (p, s); /* EMIT SIGNAL */
|
||||
}
|
||||
|
||||
void
|
||||
MidiSource::set_automation_state_of (Evoral::Parameter p, AutoState s)
|
||||
{
|
||||
if (automation_state_of (p) == s) {
|
||||
return;
|
||||
}
|
||||
|
||||
if (s == Play) {
|
||||
/* automation state is being set to the default, so we don't need a note in our map */
|
||||
_automation_state.erase (p);
|
||||
} else {
|
||||
_automation_state[p] = s;
|
||||
}
|
||||
|
||||
AutomationStateChanged (p, s); /* EMIT SIGNAL */
|
||||
}
|
||||
|
||||
void
|
||||
MidiSource::copy_interpolation_from (boost::shared_ptr<MidiSource> s)
|
||||
{
|
||||
copy_interpolation_from (s.get ());
|
||||
}
|
||||
|
||||
void
|
||||
MidiSource::copy_automation_state_from (boost::shared_ptr<MidiSource> s)
|
||||
{
|
||||
copy_automation_state_from (s.get ());
|
||||
}
|
||||
|
||||
void
|
||||
MidiSource::copy_interpolation_from (MidiSource* s)
|
||||
{
|
||||
_interpolation_style = s->_interpolation_style;
|
||||
|
||||
/* XXX: should probably emit signals here */
|
||||
}
|
||||
|
||||
void
|
||||
MidiSource::copy_automation_state_from (MidiSource* s)
|
||||
{
|
||||
_automation_state = s->_automation_state;
|
||||
|
||||
/* XXX: should probably emit signals here */
|
||||
}
|
||||
|
|
@ -0,0 +1,247 @@
|
|||
/* This file is part of Evoral.
|
||||
* Copyright (C) 2008-2015 David Robillard <http://drobilla.net>
|
||||
* Copyright (C) 2000-2008 Paul Davis
|
||||
*
|
||||
* Evoral 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.
|
||||
*
|
||||
* Evoral 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 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 St, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
|
||||
|
||||
#ifndef EVORAL_BEATS_HPP
|
||||
#define EVORAL_BEATS_HPP
|
||||
|
||||
#include <float.h>
|
||||
#include <math.h>
|
||||
#include <stdint.h>
|
||||
|
||||
#include <iostream>
|
||||
#include <limits>
|
||||
|
||||
#include "evoral/visibility.h"
|
||||
|
||||
namespace Evoral {
|
||||
|
||||
/** Musical time in beats. */
|
||||
class /*LIBEVORAL_API*/ Beats {
|
||||
public:
|
||||
LIBEVORAL_API static const double PPQN;
|
||||
|
||||
Beats() : _time(0.0) {}
|
||||
|
||||
/** Create from a real number of beats. */
|
||||
explicit Beats(double time) : _time(time) {}
|
||||
|
||||
/** Create from an integer number of beats. */
|
||||
static Beats beats(int32_t beats) {
|
||||
return Beats((double)beats);
|
||||
}
|
||||
|
||||
/** Create from ticks at the standard PPQN. */
|
||||
static Beats ticks(uint32_t ticks) {
|
||||
return Beats(ticks / PPQN);
|
||||
}
|
||||
|
||||
/** Create from ticks at a given rate.
|
||||
*
|
||||
* Note this can also be used to create from frames by setting ppqn to the
|
||||
* number of samples per beat.
|
||||
*/
|
||||
static Beats ticks_at_rate(uint64_t ticks, uint32_t ppqn) {
|
||||
return Beats((double)ticks / (double)ppqn);
|
||||
}
|
||||
|
||||
Beats& operator=(const Beats& other) {
|
||||
_time = other._time;
|
||||
return *this;
|
||||
}
|
||||
|
||||
Beats round_up_to_beat() const {
|
||||
return Evoral::Beats(ceil(_time));
|
||||
}
|
||||
|
||||
Beats round_down_to_beat() const {
|
||||
return Evoral::Beats(floor(_time));
|
||||
}
|
||||
|
||||
Beats snap_to(const Evoral::Beats& snap) const {
|
||||
return Beats(ceil(_time / snap._time) * snap._time);
|
||||
}
|
||||
|
||||
inline bool operator==(const Beats& b) const {
|
||||
/* Acceptable tolerance is 1 tick. */
|
||||
return fabs(_time - b._time) <= (1.0 / PPQN);
|
||||
}
|
||||
|
||||
inline bool operator==(double t) const {
|
||||
/* Acceptable tolerance is 1 tick. */
|
||||
return fabs(_time - t) <= (1.0 / PPQN);
|
||||
}
|
||||
|
||||
inline bool operator==(int beats) const {
|
||||
/* Acceptable tolerance is 1 tick. */
|
||||
return fabs(_time - beats) <= (1.0 / PPQN);
|
||||
}
|
||||
|
||||
inline bool operator!=(const Beats& b) const {
|
||||
return !operator==(b);
|
||||
}
|
||||
|
||||
inline bool operator<(const Beats& b) const {
|
||||
/* Acceptable tolerance is 1 tick. */
|
||||
if (fabs(_time - b._time) <= (1.0 / PPQN)) {
|
||||
return false; /* Effectively identical. */
|
||||
} else {
|
||||
return _time < b._time;
|
||||
}
|
||||
}
|
||||
|
||||
inline bool operator<=(const Beats& b) const {
|
||||
return operator==(b) || operator<(b);
|
||||
}
|
||||
|
||||
inline bool operator>(const Beats& b) const {
|
||||
/* Acceptable tolerance is 1 tick. */
|
||||
if (fabs(_time - b._time) <= (1.0 / PPQN)) {
|
||||
return false; /* Effectively identical. */
|
||||
} else {
|
||||
return _time > b._time;
|
||||
}
|
||||
}
|
||||
|
||||
inline bool operator>=(const Beats& b) const {
|
||||
return operator==(b) || operator>(b);
|
||||
}
|
||||
|
||||
inline bool operator<(double b) const {
|
||||
/* Acceptable tolerance is 1 tick. */
|
||||
if (fabs(_time - b) <= (1.0 / PPQN)) {
|
||||
return false; /* Effectively identical. */
|
||||
} else {
|
||||
return _time < b;
|
||||
}
|
||||
}
|
||||
|
||||
inline bool operator<=(double b) const {
|
||||
return operator==(b) || operator<(b);
|
||||
}
|
||||
|
||||
inline bool operator>(double b) const {
|
||||
/* Acceptable tolerance is 1 tick. */
|
||||
if (fabs(_time - b) <= (1.0 / PPQN)) {
|
||||
return false; /* Effectively identical. */
|
||||
} else {
|
||||
return _time > b;
|
||||
}
|
||||
}
|
||||
|
||||
inline bool operator>=(double b) const {
|
||||
return operator==(b) || operator>(b);
|
||||
}
|
||||
|
||||
Beats operator+(const Beats& b) const {
|
||||
return Beats(_time + b._time);
|
||||
}
|
||||
|
||||
Beats operator-(const Beats& b) const {
|
||||
return Beats(_time - b._time);
|
||||
}
|
||||
|
||||
Beats operator+(double d) const {
|
||||
return Beats(_time + d);
|
||||
}
|
||||
|
||||
Beats operator-(double d) const {
|
||||
return Beats(_time - d);
|
||||
}
|
||||
|
||||
Beats operator-() const {
|
||||
return Beats(-_time);
|
||||
}
|
||||
|
||||
template<typename Number>
|
||||
Beats operator*(Number factor) const {
|
||||
return Beats(_time * factor);
|
||||
}
|
||||
|
||||
Beats& operator+=(const Beats& b) {
|
||||
_time += b._time;
|
||||
return *this;
|
||||
}
|
||||
|
||||
Beats& operator-=(const Beats& b) {
|
||||
_time -= b._time;
|
||||
return *this;
|
||||
}
|
||||
|
||||
double to_double() const { return _time; }
|
||||
uint64_t to_ticks() const { return lrint(_time * PPQN); }
|
||||
uint64_t to_ticks(uint32_t ppqn) const { return lrint(_time * ppqn); }
|
||||
|
||||
uint32_t get_beats() const { return floor(_time); }
|
||||
uint32_t get_ticks() const { return (uint32_t)lrint(fmod(_time, 1.0) * PPQN); }
|
||||
|
||||
bool operator!() const { return _time == 0; }
|
||||
|
||||
static Beats min() { return Beats(DBL_MIN); }
|
||||
static Beats max() { return Beats(DBL_MAX); }
|
||||
static Beats tick() { return Beats(1.0 / PPQN); }
|
||||
|
||||
private:
|
||||
double _time;
|
||||
};
|
||||
|
||||
extern LIBEVORAL_API const Beats MaxBeats;
|
||||
extern LIBEVORAL_API const Beats MinBeats;
|
||||
|
||||
/*
|
||||
TIL, several horrible hours later, that sometimes the compiler looks in the
|
||||
namespace of a type (Evoral::Beats in this case) for an operator, and
|
||||
does *NOT* look in the global namespace.
|
||||
|
||||
C++ is proof that hell exists and we are living in it. In any case, move
|
||||
these to the global namespace and PBD::Property's loopy
|
||||
virtual-method-in-a-template will bite you.
|
||||
*/
|
||||
|
||||
inline std::ostream&
|
||||
operator<<(std::ostream& os, const Beats& t)
|
||||
{
|
||||
os << t.to_double();
|
||||
return os;
|
||||
}
|
||||
|
||||
inline std::istream&
|
||||
operator>>(std::istream& is, Beats& t)
|
||||
{
|
||||
double beats;
|
||||
is >> beats;
|
||||
t = Beats(beats);
|
||||
return is;
|
||||
}
|
||||
|
||||
} // namespace Evoral
|
||||
|
||||
namespace PBD {
|
||||
namespace DEBUG {
|
||||
LIBEVORAL_API extern uint64_t Beats;
|
||||
}
|
||||
}
|
||||
|
||||
namespace std {
|
||||
template<>
|
||||
struct numeric_limits<Evoral::Beats> {
|
||||
static Evoral::Beats min() { return Evoral::Beats::min(); }
|
||||
static Evoral::Beats max() { return Evoral::Beats::max(); }
|
||||
};
|
||||
}
|
||||
|
||||
#endif // EVORAL_BEATS_HPP
|
||||
|
|
@ -0,0 +1,170 @@
|
|||
#include <stdlib.h>
|
||||
|
||||
#include "BeatsTest.hpp"
|
||||
#include "evoral/Beats.hpp"
|
||||
|
||||
CPPUNIT_TEST_SUITE_REGISTRATION(BeatsTest);
|
||||
|
||||
using namespace Evoral;
|
||||
|
||||
static const double delta = 1.5 / (double)Beats::PPQN;
|
||||
|
||||
void
|
||||
BeatsTest::createTest()
|
||||
{
|
||||
const Beats a(1, 2);
|
||||
CPPUNIT_ASSERT_EQUAL(1, a.get_beats());
|
||||
CPPUNIT_ASSERT_EQUAL(2, a.get_ticks());
|
||||
CPPUNIT_ASSERT_DOUBLES_EQUAL(1 + 2 / (double)Beats::PPQN, a.to_double(), delta);
|
||||
|
||||
const Beats b(1.5);
|
||||
CPPUNIT_ASSERT_EQUAL(1, b.get_beats());
|
||||
CPPUNIT_ASSERT_EQUAL(Beats::PPQN / 2, b.get_ticks());
|
||||
CPPUNIT_ASSERT_DOUBLES_EQUAL(1.5, b.to_double(), delta);
|
||||
|
||||
const Beats c = Beats::beats(6);
|
||||
CPPUNIT_ASSERT_EQUAL(6, c.get_beats());
|
||||
CPPUNIT_ASSERT_EQUAL(0, c.get_ticks());
|
||||
|
||||
const Beats d = Beats::ticks(7);
|
||||
CPPUNIT_ASSERT_EQUAL(0, d.get_beats());
|
||||
CPPUNIT_ASSERT_EQUAL(7, d.get_ticks());
|
||||
|
||||
Beats e(8, 9);
|
||||
e = d;
|
||||
CPPUNIT_ASSERT_EQUAL(d, e);
|
||||
|
||||
|
||||
// const Beats diff = n2 - n1;
|
||||
// CPPUNIT_ASSERT_EQUAL(-44, diff.get_beats());
|
||||
// CPPUNIT_ASSERT_EQUAL(44 / Beats::PPQN, diff.get_ticks());
|
||||
// CPPUNIT_ASSERT_DOUBLES_EQUAL(diff.to_double(), -44.44, delta);
|
||||
}
|
||||
|
||||
void
|
||||
BeatsTest::addTest()
|
||||
{
|
||||
const Beats a(1, 2);
|
||||
const Beats b(3, 4);
|
||||
|
||||
// Positive + positive
|
||||
const Beats c = a + b;
|
||||
CPPUNIT_ASSERT_EQUAL(4, c.get_beats());
|
||||
CPPUNIT_ASSERT_EQUAL(6, c.get_ticks());
|
||||
|
||||
const Beats n1(-12.34);
|
||||
CPPUNIT_ASSERT_DOUBLES_EQUAL(-12.34, n1.to_double(), delta);
|
||||
|
||||
const Beats n2(-56.78);
|
||||
CPPUNIT_ASSERT_DOUBLES_EQUAL(-56.78, n2.to_double(), delta);
|
||||
|
||||
// Positive + negative
|
||||
const Beats p1(1.0);
|
||||
const Beats p_n = p1 + n1;
|
||||
CPPUNIT_ASSERT_EQUAL(-11, p_n.get_beats());
|
||||
CPPUNIT_ASSERT_EQUAL((int32_t)(Beats::PPQN * -0.34), p_n.get_ticks());
|
||||
CPPUNIT_ASSERT_DOUBLES_EQUAL(-11.34, p_n.to_double(), delta);
|
||||
|
||||
// Negative + positive
|
||||
const Beats n_p = n1 + p1;
|
||||
CPPUNIT_ASSERT_EQUAL(-11, n_p.get_beats());
|
||||
CPPUNIT_ASSERT_EQUAL((int32_t)(Beats::PPQN * -0.34), n_p.get_ticks());
|
||||
CPPUNIT_ASSERT_DOUBLES_EQUAL(-11.34, n_p.to_double(), delta);
|
||||
|
||||
// Negative + negative
|
||||
const Beats sum = n1 + n2;
|
||||
CPPUNIT_ASSERT_EQUAL(-69, sum.get_beats());
|
||||
//CPPUNIT_ASSERT_EQUAL((int32_t)(Beats::PPQN * -0.12), n_p.get_ticks());
|
||||
CPPUNIT_ASSERT_DOUBLES_EQUAL(-69.12, sum.to_double(), delta);
|
||||
}
|
||||
|
||||
void
|
||||
BeatsTest::subtractTest()
|
||||
{
|
||||
const Beats a(1, 2);
|
||||
const Beats b(3, 4);
|
||||
|
||||
// Positive - positive
|
||||
const Beats c = b - a;
|
||||
CPPUNIT_ASSERT_EQUAL(2, c.get_beats());
|
||||
CPPUNIT_ASSERT_EQUAL(2, c.get_ticks());
|
||||
|
||||
const Beats n1(-12.34);
|
||||
CPPUNIT_ASSERT_DOUBLES_EQUAL(-12.34, n1.to_double(), delta);
|
||||
|
||||
const Beats n2(-56.78);
|
||||
CPPUNIT_ASSERT_DOUBLES_EQUAL(-56.78, n2.to_double(), delta);
|
||||
|
||||
// Positive - negative
|
||||
const Beats p1(1.0);
|
||||
const Beats p_n = p1 - n1;
|
||||
CPPUNIT_ASSERT_EQUAL(13, p_n.get_beats());
|
||||
CPPUNIT_ASSERT_EQUAL((int32_t)(Beats::PPQN * 0.34), p_n.get_ticks());
|
||||
CPPUNIT_ASSERT_DOUBLES_EQUAL(13.34, p_n.to_double(), delta);
|
||||
|
||||
// Negative - positive
|
||||
const Beats n_p = n1 - p1;
|
||||
CPPUNIT_ASSERT_EQUAL(-13, n_p.get_beats());
|
||||
CPPUNIT_ASSERT_EQUAL((int32_t)(Beats::PPQN * -0.34), n_p.get_ticks());
|
||||
CPPUNIT_ASSERT_DOUBLES_EQUAL(-13.34, n_p.to_double(), delta);
|
||||
|
||||
// Negative - negative
|
||||
const Beats diff = n1 - n2;
|
||||
CPPUNIT_ASSERT_EQUAL(44, diff.get_beats());
|
||||
CPPUNIT_ASSERT_EQUAL((int32_t)lrint(Beats::PPQN * 0.44), diff.get_ticks());
|
||||
CPPUNIT_ASSERT_DOUBLES_EQUAL(44.44, diff.to_double(), delta);
|
||||
}
|
||||
|
||||
void
|
||||
BeatsTest::multiplyTest()
|
||||
{
|
||||
CPPUNIT_ASSERT_DOUBLES_EQUAL(3.0, (Beats(1.5) * 2.0).to_double(), delta);
|
||||
CPPUNIT_ASSERT_DOUBLES_EQUAL(-10.0, (Beats(5.0) * -2.0).to_double(), delta);
|
||||
CPPUNIT_ASSERT_DOUBLES_EQUAL(-10.0, (Beats(-5.0) * 2.0).to_double(), delta);
|
||||
}
|
||||
|
||||
void
|
||||
BeatsTest::roundTest()
|
||||
{
|
||||
Beats a(1, 1);
|
||||
|
||||
// Round a up
|
||||
const Beats au = a.round_up_to_beat();
|
||||
CPPUNIT_ASSERT_EQUAL(au.get_beats(), 2);
|
||||
CPPUNIT_ASSERT_EQUAL(au.get_ticks(), 0);
|
||||
|
||||
// Round a down
|
||||
const Beats ad = a.round_down_to_beat();
|
||||
CPPUNIT_ASSERT_EQUAL(ad.get_beats(), 1);
|
||||
CPPUNIT_ASSERT_EQUAL(ad.get_ticks(), 0);
|
||||
|
||||
// Round result down again
|
||||
const Beats add = ad.round_down_to_beat();
|
||||
CPPUNIT_ASSERT_EQUAL(ad, add);
|
||||
|
||||
// Round result up
|
||||
const Beats adu = ad.round_up_to_beat();
|
||||
CPPUNIT_ASSERT_EQUAL(ad, adu);
|
||||
|
||||
// Snap to 1.5
|
||||
const Beats snapped = a.snap_to(Beats(1.5));
|
||||
CPPUNIT_ASSERT_EQUAL(snapped.get_beats(), 1);
|
||||
CPPUNIT_ASSERT_EQUAL(snapped.get_ticks(), Beats::PPQN / 2);
|
||||
}
|
||||
|
||||
void
|
||||
BeatsTest::convertTest()
|
||||
{
|
||||
const Beats a = Beats::ticks_at_rate(72000, 48000);
|
||||
CPPUNIT_ASSERT_DOUBLES_EQUAL(1, a.get_beats(), delta);
|
||||
CPPUNIT_ASSERT_DOUBLES_EQUAL(Beats::PPQN / 2, a.get_ticks(), delta);
|
||||
CPPUNIT_ASSERT_DOUBLES_EQUAL(1.5, a.to_double(), delta);
|
||||
|
||||
const Beats b = Beats::ticks_at_rate(8, 48000);
|
||||
CPPUNIT_ASSERT_DOUBLES_EQUAL(0, b.get_beats(), delta);
|
||||
CPPUNIT_ASSERT_DOUBLES_EQUAL(Beats::PPQN * 8 / 48000, b.get_ticks(), delta);
|
||||
CPPUNIT_ASSERT_DOUBLES_EQUAL((8 / 48000.0), b.to_double(), delta);
|
||||
|
||||
CPPUNIT_ASSERT_EQUAL(int64_t(1.5 * Beats::PPQN), a.to_ticks());
|
||||
CPPUNIT_ASSERT_EQUAL(int64_t(1.5 * 192), a.to_ticks(192));
|
||||
}
|
||||
|
|
@ -0,0 +1,22 @@
|
|||
#include <cppunit/TestFixture.h>
|
||||
#include <cppunit/extensions/HelperMacros.h>
|
||||
|
||||
class BeatsTest : public CppUnit::TestFixture
|
||||
{
|
||||
CPPUNIT_TEST_SUITE(BeatsTest);
|
||||
CPPUNIT_TEST(createTest);
|
||||
CPPUNIT_TEST(addTest);
|
||||
CPPUNIT_TEST(subtractTest);
|
||||
CPPUNIT_TEST(multiplyTest);
|
||||
CPPUNIT_TEST(convertTest);
|
||||
CPPUNIT_TEST(roundTest);
|
||||
CPPUNIT_TEST_SUITE_END();
|
||||
|
||||
public:
|
||||
void createTest();
|
||||
void addTest();
|
||||
void subtractTest();
|
||||
void multiplyTest();
|
||||
void convertTest();
|
||||
void roundTest();
|
||||
};
|
||||
|
|
@ -0,0 +1,168 @@
|
|||
#!/usr/bin/env python
|
||||
from waflib.extras import autowaf as autowaf
|
||||
from waflib import Options
|
||||
import os
|
||||
|
||||
# Version of this package (even if built as a child)
|
||||
EVORAL_VERSION = '0.0.0'
|
||||
|
||||
# Library version (UNIX style major, minor, micro)
|
||||
# major increment <=> incompatible changes
|
||||
# minor increment <=> compatible changes (additions)
|
||||
# micro increment <=> no interface changes
|
||||
# Version history:
|
||||
# 0.0.0 = 0,0,0
|
||||
EVORAL_LIB_VERSION = '0.0.0'
|
||||
|
||||
# Variables for 'waf dist'
|
||||
APPNAME = 'evoral'
|
||||
VERSION = EVORAL_VERSION
|
||||
|
||||
# Mandatory variables
|
||||
top = '.'
|
||||
out = 'build'
|
||||
|
||||
def options(opt):
|
||||
opt.load('compiler_c')
|
||||
opt.load('compiler_cxx')
|
||||
autowaf.set_options(opt)
|
||||
opt.add_option('--test', action='store_true', default=False, dest='build_tests',
|
||||
help="Build unit tests")
|
||||
opt.add_option('--test-coverage', action='store_true', default=False, dest='test_coverage',
|
||||
help="Use gcov to test for code coverage")
|
||||
opt.add_option('--internal-shared-libs', action='store_true', default=True, dest='internal_shared_libs',
|
||||
help='Build internal libs as shared libraries')
|
||||
|
||||
def configure(conf):
|
||||
conf.load('compiler_c')
|
||||
conf.load('compiler_cxx')
|
||||
autowaf.configure(conf)
|
||||
#autowaf.display_header('Evoral Configuration')
|
||||
|
||||
autowaf.check_pkg(conf, 'cppunit', uselib_store='CPPUNIT', atleast_version='1.12.0', mandatory=False)
|
||||
autowaf.check_pkg(conf, 'glib-2.0', uselib_store='GLIB', atleast_version='2.2')
|
||||
autowaf.check_pkg(conf, 'glibmm-2.4', uselib_store='GLIBMM', atleast_version='2.14.0')
|
||||
autowaf.check_pkg(conf, 'gthread-2.0', uselib_store='GTHREAD', atleast_version='2.14.0')
|
||||
if not autowaf.is_child():
|
||||
autowaf.check_pkg(conf, 'libpbd-4', uselib_store='LIBPBD', atleast_version='4.0.0', mandatory=True)
|
||||
|
||||
# Boost headers
|
||||
autowaf.check_header(conf, 'cxx', 'boost/shared_ptr.hpp')
|
||||
autowaf.check_header(conf, 'cxx', 'boost/weak_ptr.hpp')
|
||||
|
||||
conf.env['BUILD_TESTS'] = Options.options.build_tests
|
||||
conf.env['TEST_COVERAGE'] = Options.options.test_coverage
|
||||
|
||||
if Options.options.internal_shared_libs:
|
||||
conf.define('INTERNAL_SHARED_LIBS', 1)
|
||||
#autowaf.display_msg(conf, "Unit tests", str(conf.env['BUILD_TESTS']))
|
||||
#print
|
||||
|
||||
def build(bld):
|
||||
# Headers
|
||||
#bld.install_files('${INCLUDEDIR}/evoral', 'evoral/*.h')
|
||||
#bld.install_files('${INCLUDEDIR}/evoral', 'evoral/*.hpp')
|
||||
|
||||
# Pkgconfig file
|
||||
#autowaf.build_pc(bld, 'EVORAL', EVORAL_VERSION, 'GLIBMM GTHREAD')
|
||||
|
||||
libsmf = bld(features = 'c cstlib')
|
||||
libsmf.source = '''
|
||||
src/libsmf/smf.c
|
||||
src/libsmf/smf_decode.c
|
||||
src/libsmf/smf_load.c
|
||||
src/libsmf/smf_save.c
|
||||
src/libsmf/smf_tempo.c
|
||||
'''
|
||||
libsmf.export_includes = ['./src/libsmf']
|
||||
libsmf.defines = ['SMF_VERSION="1.2"', 'LIBSMF_DLL_EXPORTS']
|
||||
libsmf.includes = ['./src']
|
||||
libsmf.name = 'libsmf'
|
||||
libsmf.target = 'smf'
|
||||
libsmf.uselib = 'GLIB'
|
||||
libsmf.install_path = None
|
||||
if bld.env['build_target'] != 'mingw':
|
||||
libsmf.cxxflags = [ '-fPIC' ]
|
||||
libsmf.cflags = [ '-fPIC' ]
|
||||
|
||||
lib_source = '''
|
||||
src/Control.cpp
|
||||
src/ControlList.cpp
|
||||
src/ControlSet.cpp
|
||||
src/Curve.cpp
|
||||
src/Event.cpp
|
||||
src/Note.cpp
|
||||
src/SMF.cpp
|
||||
src/Sequence.cpp
|
||||
src/TimeConverter.cpp
|
||||
src/debug.cpp
|
||||
src/types.cpp
|
||||
'''
|
||||
|
||||
# Library
|
||||
if bld.is_defined ('INTERNAL_SHARED_LIBS'):
|
||||
obj = bld.shlib(features = 'c cxx cshlib cxxshlib', source=lib_source)
|
||||
# DLL exports for this library
|
||||
obj.defines = [ 'LIBEVORAL_DLL_EXPORTS' ]
|
||||
else:
|
||||
obj = bld.stlib(features = 'c cxx cstlib cxxstlib', source=lib_source)
|
||||
obj.cxxflags = [ '-fPIC' ]
|
||||
obj.cflags = [ '-fPIC' ]
|
||||
obj.defines = [ ]
|
||||
|
||||
obj.export_includes = ['.']
|
||||
obj.includes = ['.', './src']
|
||||
obj.name = 'libevoral'
|
||||
obj.target = 'evoral'
|
||||
obj.uselib = 'GLIBMM GTHREAD SMF XML LIBPBD'
|
||||
obj.use = 'libsmf libpbd'
|
||||
obj.vnum = EVORAL_LIB_VERSION
|
||||
obj.install_path = bld.env['LIBDIR']
|
||||
obj.defines += [ 'PACKAGE="libevoral"' ]
|
||||
|
||||
if bld.env['BUILD_TESTS'] and bld.is_defined('HAVE_CPPUNIT'):
|
||||
# Static library (for unit test code coverage)
|
||||
obj = bld(features = 'cxx cstlib')
|
||||
obj.source = lib_source
|
||||
obj.export_includes = ['.']
|
||||
obj.includes = ['.', './src']
|
||||
obj.name = 'libevoral_static'
|
||||
obj.target = 'evoral_static'
|
||||
obj.uselib = 'GLIBMM GTHREAD SMF XML LIBPBD'
|
||||
obj.use = 'libsmf libpbd'
|
||||
obj.vnum = EVORAL_LIB_VERSION
|
||||
obj.install_path = ''
|
||||
if bld.env['TEST_COVERAGE']:
|
||||
obj.linkflags = ['--coverage']
|
||||
obj.cflags = ['--coverage']
|
||||
obj.cxxflags = ['--coverage']
|
||||
obj.defines = ['PACKAGE="libevoral"']
|
||||
|
||||
# Unit tests
|
||||
obj = bld(features = 'cxx cxxprogram')
|
||||
obj.source = '''
|
||||
test/SequenceTest.cpp
|
||||
test/SMFTest.cpp
|
||||
test/RangeTest.cpp
|
||||
test/NoteTest.cpp
|
||||
test/CurveTest.cpp
|
||||
test/testrunner.cpp
|
||||
'''
|
||||
obj.includes = ['.', './src']
|
||||
obj.use = 'libevoral_static'
|
||||
obj.uselib = 'CPPUNIT SNDFILE LIBPBD'
|
||||
obj.target = 'run-tests'
|
||||
obj.name = 'libevoral-tests'
|
||||
obj.install_path = ''
|
||||
obj.defines = ['PACKAGE="libevoraltest"']
|
||||
if bld.env['TEST_COVERAGE']:
|
||||
obj.linkflags = ['--coverage']
|
||||
obj.cflags = ['--coverage']
|
||||
obj.cxxflags = ['--coverage']
|
||||
|
||||
def test(ctx):
|
||||
autowaf.pre_test(ctx, APPNAME)
|
||||
print(os.getcwd())
|
||||
os.environ['EVORAL_TEST_PATH'] = os.path.abspath('../test/testdata/')
|
||||
autowaf.run_tests(ctx, APPNAME, ['./run-tests'])
|
||||
autowaf.post_test(ctx, APPNAME)
|
||||
File diff suppressed because it is too large
Load Diff
|
|
@ -0,0 +1,402 @@
|
|||
#ifndef __ardour_tempo_h__
|
||||
#define __ardour_tempo_h__
|
||||
|
||||
#include <list>
|
||||
#include <string>
|
||||
#include <vector>
|
||||
#include <cmath>
|
||||
#include <exception>
|
||||
|
||||
#include <glibmm/threads.h>
|
||||
|
||||
#include "evoral/Beats.hpp"
|
||||
|
||||
#include "ardour/ardour.h"
|
||||
#include "ardour/superclock.h"
|
||||
|
||||
#include "timecode/bbt_time.h"
|
||||
|
||||
namespace ARDOUR {
|
||||
|
||||
class Meter;
|
||||
class TempoMap;
|
||||
|
||||
/** Tempo, the speed at which musical time progresses (BPM).
|
||||
*/
|
||||
|
||||
class LIBARDOUR_API Tempo {
|
||||
public:
|
||||
/**
|
||||
* @param npm Note Types per minute
|
||||
* @param type Note Type (default `4': quarter note)
|
||||
*/
|
||||
Tempo (double npm, int type = 4) : _superclocks_per_note_type (double_npm_to_sc (npm)), _note_type (type) {}
|
||||
|
||||
/* these two methods should only be used to show and collect information to the user (for whom
|
||||
* bpm as a floating point number is the obvious representation)
|
||||
*/
|
||||
double note_types_per_minute () const { return (superclock_ticks_per_second * 60.0) / _superclocks_per_note_type; }
|
||||
void set_note_types_per_minute (double npm) { _superclocks_per_note_type = double_npm_to_sc (npm); }
|
||||
|
||||
int note_type () const { return _note_type; }
|
||||
|
||||
superclock_t superclocks_per_note_type () const {
|
||||
return _superclocks_per_note_type;
|
||||
}
|
||||
superclock_t superclocks_per_note_type (int note_type) const {
|
||||
return (_superclocks_per_note_type * _note_type) / note_type;
|
||||
}
|
||||
superclock_t superclocks_per_quarter_note () const {
|
||||
return superclocks_per_note_type (4);
|
||||
}
|
||||
|
||||
Tempo& operator=(Tempo const& other) {
|
||||
if (&other != this) {
|
||||
_superclocks_per_note_type = other._superclocks_per_note_type;
|
||||
_note_type = other._note_type;
|
||||
}
|
||||
return *this;
|
||||
}
|
||||
|
||||
protected:
|
||||
superclock_t _superclocks_per_note_type;
|
||||
int8_t _note_type;
|
||||
|
||||
static inline double sc_to_double_npm (superclock_t sc) { return (superclock_ticks_per_second * 60.0) / sc; }
|
||||
static inline superclock_t double_npm_to_sc (double npm) { return llrint ((superclock_ticks_per_second / npm) * 60.0); }
|
||||
};
|
||||
|
||||
/** Meter, or time signature (subdivisions per bar, and which note type is a single subdivision). */
|
||||
class LIBARDOUR_API Meter {
|
||||
public:
|
||||
Meter (int8_t dpb, int8_t nv) : _note_value (nv), _divisions_per_bar (dpb) {}
|
||||
|
||||
int divisions_per_bar () const { return _divisions_per_bar; }
|
||||
int note_value() const { return _note_value; }
|
||||
|
||||
inline bool operator==(const Meter& other) { return _divisions_per_bar == other.divisions_per_bar() && _note_value == other.note_value(); }
|
||||
inline bool operator!=(const Meter& other) { return _divisions_per_bar != other.divisions_per_bar() || _note_value != other.note_value(); }
|
||||
|
||||
Meter& operator=(Meter const & other) {
|
||||
if (&other != this) {
|
||||
_divisions_per_bar = other._divisions_per_bar;
|
||||
_note_value = other._note_value;
|
||||
}
|
||||
return *this;
|
||||
}
|
||||
|
||||
Timecode::BBT_Time bbt_add (Timecode::BBT_Time const & bbt, Timecode::BBT_Offset const & add) const;
|
||||
Timecode::BBT_Time bbt_subtract (Timecode::BBT_Time const & bbt, Timecode::BBT_Offset const & sub) const;
|
||||
Timecode::BBT_Offset bbt_delta (Timecode::BBT_Time const & bbt, Timecode::BBT_Time const & sub) const;
|
||||
|
||||
Timecode::BBT_Time round_up_to_bar (Timecode::BBT_Time const &) const;
|
||||
Timecode::BBT_Time round_down_to_bar (Timecode::BBT_Time const &) const;
|
||||
Timecode::BBT_Time round_to_bar (Timecode::BBT_Time const &) const;
|
||||
|
||||
Evoral::Beats to_quarters (Timecode::BBT_Offset const &) const;
|
||||
|
||||
protected:
|
||||
/** The type of "note" that a division represents. For example, 4 is
|
||||
a quarter (crotchet) note, 8 is an eighth (quaver) note, etc.
|
||||
*/
|
||||
int8_t _note_value;
|
||||
/* how many of '_note_value' make up a bar or measure */
|
||||
int8_t _divisions_per_bar;
|
||||
};
|
||||
|
||||
/** Helper class to keep track of the Meter *AND* Tempo in effect
|
||||
at a given point in time.
|
||||
*/
|
||||
class LIBARDOUR_API TempoMetric : public Tempo, public Meter {
|
||||
public:
|
||||
TempoMetric (Tempo const & t, Meter const & m, bool ramp) : Tempo (t), Meter (m), _c_per_quarter (0.0), _c_per_superclock (0.0), _ramped (ramp) {}
|
||||
~TempoMetric () {}
|
||||
|
||||
double c_per_superclock () const { return _c_per_superclock; }
|
||||
double c_per_quarter () const { return _c_per_quarter; }
|
||||
|
||||
void compute_c_superclock (framecnt_t sr, superclock_t end_superclocks_per_note_type, superclock_t duration);
|
||||
void compute_c_quarters (framecnt_t sr, superclock_t end_superclocks_per_note_type, Evoral::Beats const & duration);
|
||||
|
||||
superclock_t superclocks_per_bar (framecnt_t sr) const;
|
||||
superclock_t superclocks_per_grid (framecnt_t sr) const;
|
||||
|
||||
superclock_t superclock_at_qn (Evoral::Beats const & qn) const;
|
||||
superclock_t superclock_per_note_type_at_superclock (superclock_t) const;
|
||||
|
||||
bool ramped () const { return _ramped; }
|
||||
void set_ramped (bool yn) { _ramped = yn; } /* caller must mark something dirty to force recompute */
|
||||
|
||||
private:
|
||||
double _c_per_quarter;
|
||||
double _c_per_superclock;
|
||||
bool _ramped;
|
||||
};
|
||||
|
||||
/** Tempo Map - mapping of timecode to musical time.
|
||||
* convert audio-samples, sample-rate to Bar/Beat/Tick, Meter/Tempo
|
||||
*/
|
||||
|
||||
/* TempoMap concepts
|
||||
|
||||
we have several different ways of talking about time:
|
||||
|
||||
* PULSE : whole notes, just because. These are linearly related to any other
|
||||
note type, so if you know a number of pulses (whole notes), you
|
||||
know the corresponding number of any other note type (e.g. quarter
|
||||
notes).
|
||||
|
||||
* QUARTER NOTES : just what the name says. A lot of MIDI software and
|
||||
concepts assume that a "beat" is a quarter-note.
|
||||
|
||||
* BEAT : a fraction of a PULSE. Defined by the meter in effect, so requires
|
||||
meter (time signature) information to convert to/from PULSE or QUARTER NOTES.
|
||||
In a 5/8 time, a BEAT is 1/8th note. In a 4/4 time, a beat is quarter note.
|
||||
This means that measuring time in BEATS is potentially non-linear (if
|
||||
the time signature changes, there will be a different number of BEATS
|
||||
corresponding to a given time in any other unit).
|
||||
|
||||
* SUPERCLOCK : a very high resolution clock whose frequency
|
||||
has as factors all common sample rates and all common note
|
||||
type divisors. Related to MINUTES or SAMPLES only when a
|
||||
sample rate is known. Related to PULSE or QUARTER NOTES only
|
||||
when a tempo is known.
|
||||
|
||||
* MINUTES : wallclock time measurement. related to SAMPLES or SUPERCLOCK
|
||||
only when a sample rate is known.
|
||||
|
||||
|
||||
* SAMPLES : audio time measurement. Related to MINUTES or SUPERCLOCK only
|
||||
when a sample rate is known
|
||||
|
||||
* BBT : bars|beats|ticks ... linearly related to BEATS but with the added
|
||||
semantics of bars ("measures") added, in which beats are broken up
|
||||
into groups of bars ("measures"). Requires meter (time signature)
|
||||
information to compute to/from a given BEATS value. Contains no
|
||||
additional time information compared to BEATS, but does have
|
||||
additional semantic information.
|
||||
|
||||
Nick sez: not every note onset is on a tick
|
||||
Paul wonders: if it's 8 samples off, does it matter?
|
||||
Nick sez: it should not phase with existing audio
|
||||
|
||||
*/
|
||||
|
||||
class LIBARDOUR_API TempoMapPoint
|
||||
{
|
||||
public:
|
||||
enum Flag {
|
||||
ExplicitTempo = 0x1,
|
||||
ExplicitMeter = 0x2,
|
||||
};
|
||||
|
||||
TempoMapPoint (Flag f, Tempo const& t, Meter const& m, superclock_t sc, Evoral::Beats const & q, Timecode::BBT_Time const & bbt, PositionLockStyle psl, bool ramp = false)
|
||||
: _flags (f), _explicit (t, m, psl, ramp), _sclock (sc), _quarters (q), _bbt (bbt), _dirty (true) {}
|
||||
TempoMapPoint (TempoMapPoint const & tmp, superclock_t sc, Evoral::Beats const & q, Timecode::BBT_Time const & bbt)
|
||||
: _flags (Flag (0)), _reference (&tmp), _sclock (sc), _quarters (q), _bbt (bbt), _dirty (true) {}
|
||||
~TempoMapPoint () {}
|
||||
|
||||
bool is_explicit() const { return _flags != Flag (0); }
|
||||
bool is_implicit() const { return _flags == Flag (0); }
|
||||
|
||||
superclock_t superclocks_per_note_type (int8_t note_type) const {
|
||||
if (is_explicit()) {
|
||||
return _explicit.metric.superclocks_per_note_type (note_type);
|
||||
}
|
||||
return _reference->superclocks_per_note_type (note_type);
|
||||
}
|
||||
|
||||
struct BadTempoMetricLookup : public std::exception {
|
||||
virtual const char* what() const throw() { return "cannot obtain non-const Metric from implicit map point"; }
|
||||
};
|
||||
|
||||
bool dirty() const { return _dirty; }
|
||||
|
||||
superclock_t sclock() const { return _sclock; }
|
||||
Evoral::Beats const & quarters() const { return _quarters; }
|
||||
Timecode::BBT_Time const & bbt() const { return _bbt; }
|
||||
bool ramped() const { return metric().ramped(); }
|
||||
TempoMetric const & metric() const { return is_explicit() ? _explicit.metric : _reference->metric(); }
|
||||
/* Implicit points are not allowed to return non-const references to their reference metric */
|
||||
TempoMetric & metric() { if (is_explicit()) { return _explicit.metric; } throw BadTempoMetricLookup(); }
|
||||
PositionLockStyle lock_style() const { return is_explicit() ? _explicit.lock_style : _reference->lock_style(); }
|
||||
|
||||
/* None of these properties can be set for an Implicit point, because
|
||||
* they are determined by the TempoMapPoint pointed to by _reference.
|
||||
*/
|
||||
|
||||
void set_sclock (superclock_t sc) { if (is_explicit()) { _sclock = sc; _dirty = true; } }
|
||||
void set_quarters (Evoral::Beats const & q) { if (is_explicit()) { _quarters = q; _dirty = true; } }
|
||||
void set_bbt (Timecode::BBT_Time const & bbt) { if (is_explicit()) { _bbt = bbt; _dirty = true; } }
|
||||
void set_dirty (bool yn) { if (is_explicit()) { _dirty = yn; } }
|
||||
void set_lock_style (PositionLockStyle psl) { if (is_explicit()) { _explicit.lock_style = psl; _dirty = true; } }
|
||||
|
||||
void make_explicit (Flag f) {
|
||||
_flags = Flag (_flags|f);
|
||||
/* since _metric and _reference are part of an anonymous union,
|
||||
avoid possible compiler glitches by copying to a stack
|
||||
variable first, then assign.
|
||||
*/
|
||||
TempoMetric tm (_explicit.metric);
|
||||
_explicit.metric = tm;
|
||||
_dirty = true;
|
||||
}
|
||||
|
||||
void make_implicit (TempoMapPoint & tmp) { _flags = Flag (0); _reference = &tmp; }
|
||||
|
||||
Evoral::Beats quarters_at (superclock_t sc) const;
|
||||
Evoral::Beats quarters_at (Timecode::BBT_Time const &) const;
|
||||
|
||||
Timecode::BBT_Time bbt_at (Evoral::Beats const &) const;
|
||||
|
||||
#if 0
|
||||
XMLNode& get_state() const;
|
||||
int set_state (XMLNode const&, int version);
|
||||
#endif
|
||||
|
||||
struct SuperClockComparator {
|
||||
bool operator() (TempoMapPoint const & a, TempoMapPoint const & b) const { return a.sclock() < b.sclock(); }
|
||||
};
|
||||
|
||||
struct QuarterComparator {
|
||||
bool operator() (TempoMapPoint const & a, TempoMapPoint const & b) const { return a.quarters() < b.quarters(); }
|
||||
};
|
||||
|
||||
struct BBTComparator {
|
||||
bool operator() (TempoMapPoint const & a, TempoMapPoint const & b) const { return a.bbt() < b.bbt(); }
|
||||
};
|
||||
|
||||
protected:
|
||||
friend class TempoMap;
|
||||
void map_reset_set_sclock_for_sr_change (superclock_t sc) { _sclock = sc; }
|
||||
|
||||
private:
|
||||
struct ExplicitInfo {
|
||||
ExplicitInfo (Tempo const & t, Meter const & m, PositionLockStyle psl, bool ramp) : metric (t, m, ramp), lock_style (psl) {}
|
||||
|
||||
TempoMetric metric;
|
||||
PositionLockStyle lock_style;
|
||||
};
|
||||
|
||||
Flag _flags;
|
||||
union {
|
||||
TempoMapPoint const * _reference;
|
||||
ExplicitInfo _explicit;
|
||||
};
|
||||
superclock_t _sclock;
|
||||
Evoral::Beats _quarters;
|
||||
Timecode::BBT_Time _bbt;
|
||||
bool _dirty;
|
||||
};
|
||||
|
||||
typedef std::list<TempoMapPoint> TempoMapPoints;
|
||||
|
||||
class LIBARDOUR_API TempoMap
|
||||
{
|
||||
public:
|
||||
TempoMap (Tempo const & initial_tempo, Meter const & initial_meter, framecnt_t sr);
|
||||
|
||||
void set_sample_rate (framecnt_t sr);
|
||||
framecnt_t sample_rate() const { return _sample_rate; }
|
||||
|
||||
void remove_explicit_point (superclock_t);
|
||||
|
||||
void move_implicit (superclock_t current, superclock_t destination);
|
||||
void move_explicit (superclock_t current, superclock_t destination);
|
||||
|
||||
//bool set_tempo_at (Tempo const &, Evoral::Beats const &, PositionLockStyle psl, bool ramp = false);
|
||||
bool set_tempo (Tempo const &, Timecode::BBT_Time const &, bool ramp = false);
|
||||
bool set_tempo (Tempo const &, superclock_t, bool ramp = false);
|
||||
|
||||
//bool set_meter_at (Meter const &, Evoral::Beats const &);
|
||||
|
||||
bool set_meter (Meter const &, Timecode::BBT_Time const &);
|
||||
bool set_meter (Meter const &, superclock_t);
|
||||
|
||||
Meter const & meter_at (superclock_t sc) const;
|
||||
Meter const & meter_at (Evoral::Beats const & b) const;
|
||||
Meter const & meter_at (Timecode::BBT_Time const & bbt) const;
|
||||
Tempo const & tempo_at (superclock_t sc) const;
|
||||
Tempo const & tempo_at (Evoral::Beats const &b) const;
|
||||
Tempo const & tempo_at (Timecode::BBT_Time const & bbt) const;
|
||||
|
||||
Timecode::BBT_Time bbt_at (superclock_t sc) const;
|
||||
Timecode::BBT_Time bbt_at (Evoral::Beats const &) const;
|
||||
Evoral::Beats quarter_note_at (superclock_t sc) const;
|
||||
Evoral::Beats quarter_note_at (Timecode::BBT_Time const &) const;
|
||||
superclock_t superclock_at (Evoral::Beats const &) const;
|
||||
superclock_t superclock_at (Timecode::BBT_Time const &) const;
|
||||
|
||||
struct EmptyTempoMapException : public std::exception {
|
||||
virtual const char* what() const throw() { return "TempoMap is empty"; }
|
||||
};
|
||||
|
||||
void dump (std::ostream&);
|
||||
void rebuild (superclock_t limit);
|
||||
|
||||
private:
|
||||
TempoMapPoints _points;
|
||||
framecnt_t _sample_rate;
|
||||
mutable Glib::Threads::RWLock _lock;
|
||||
|
||||
/* these return an iterator that refers to the TempoMapPoint at or most immediately preceding the given position.
|
||||
*
|
||||
* Conceptually, these could be const methods, but C++ prevents them returning a non-const iterator in that case.
|
||||
*
|
||||
* Note that they cannot return an invalid iterator (e.g. _points.end()) because:
|
||||
*
|
||||
* - if the map is empty, an exception is thrown
|
||||
* - if the given time is before the first map entry, _points.begin() is returned
|
||||
* - if the given time is after the last map entry, the equivalent of _points.rbegin() is returned
|
||||
* - if the given time is within the map entries, a valid iterator will be returned
|
||||
*/
|
||||
|
||||
TempoMapPoints::iterator iterator_at (superclock_t sc);
|
||||
TempoMapPoints::iterator iterator_at (Evoral::Beats const &);
|
||||
TempoMapPoints::iterator iterator_at (Timecode::BBT_Time const &);
|
||||
|
||||
TempoMapPoints::const_iterator const_iterator_at (superclock_t sc) const { return const_cast<TempoMap*>(this)->iterator_at (sc); }
|
||||
TempoMapPoints::const_iterator const_iterator_at (Evoral::Beats const & b) const { return const_cast<TempoMap*>(this)->iterator_at (b); }
|
||||
TempoMapPoints::const_iterator const_iterator_at (Timecode::BBT_Time const & bbt) const { return const_cast<TempoMap*>(this)->iterator_at (bbt); }
|
||||
|
||||
/* Returns the TempoMapPoint at or most immediately preceding the given time. If the given time is
|
||||
* before the first map entry, then the first map entry will be returned, which underlies the semantics
|
||||
* that the first map entry's values propagate backwards in time if not at absolute zero.
|
||||
*
|
||||
* As for iterator_at(), define both const+const and non-const variants, because C++ won't let us return a non-const iterator
|
||||
from a const method (which is a bit silly, but presumably aids compiler reasoning).
|
||||
*/
|
||||
|
||||
TempoMapPoint & point_at (superclock_t sc) { return *iterator_at (sc); }
|
||||
TempoMapPoint & point_at (Evoral::Beats const & b) { return *iterator_at (b); }
|
||||
TempoMapPoint & point_at (Timecode::BBT_Time const & bbt) { return *iterator_at (bbt); }
|
||||
|
||||
TempoMapPoint const & const_point_at (superclock_t sc) const { return *const_iterator_at (sc); }
|
||||
TempoMapPoint const & const_point_at (Evoral::Beats const & b) const { return *const_iterator_at (b); }
|
||||
TempoMapPoint const & const_point_at (Timecode::BBT_Time const & bbt) const { return *const_iterator_at (bbt); }
|
||||
|
||||
Meter const & meter_at_locked (superclock_t sc) const { return const_point_at (sc).metric(); }
|
||||
Meter const & meter_at_locked (Evoral::Beats const & b) const { return const_point_at (b).metric(); }
|
||||
Meter const & meter_at_locked (Timecode::BBT_Time const & bbt) const { return const_point_at (bbt).metric(); }
|
||||
Tempo const & tempo_at_locked (superclock_t sc) const { return const_point_at (sc).metric(); }
|
||||
Tempo const & tempo_at_locked (Evoral::Beats const &b) const { return const_point_at (b).metric(); }
|
||||
Tempo const & tempo_at_locked (Timecode::BBT_Time const & bbt) const { return const_point_at (bbt).metric(); }
|
||||
Timecode::BBT_Time bbt_at_locked (superclock_t sc) const;
|
||||
Timecode::BBT_Time bbt_at_locked (Evoral::Beats const &) const;
|
||||
Evoral::Beats quarter_note_at_locked (superclock_t sc) const;
|
||||
Evoral::Beats quarter_note_at_locked (Timecode::BBT_Time const &) const;
|
||||
superclock_t superclock_at_locked (Evoral::Beats const &) const;
|
||||
superclock_t superclock_at_locked (Timecode::BBT_Time const &) const;
|
||||
|
||||
void move_explicit_to (TempoMapPoints::iterator, superclock_t destination);
|
||||
|
||||
void rebuild_locked (superclock_t limit);
|
||||
};
|
||||
|
||||
}
|
||||
|
||||
std::ostream& operator<<(std::ostream&, ARDOUR::TempoMapPoint const &);
|
||||
std::ostream& operator<<(std::ostream&, ARDOUR::Tempo const &);
|
||||
std::ostream& operator<<(std::ostream&, ARDOUR::Meter const &);
|
||||
|
||||
#endif /* __ardour_tempo_h__ */
|
||||
Loading…
Reference in New Issue