ARDOUR::NoteFixer Class Reference

#include <note_fixer.h>

Inheritance diagram for ARDOUR::NoteFixer:

Public Types
typedef Evoral::Note < Evoral::Beats >	Note

Public Member Functions
	~NoteFixer ()
void	clear ()
void	prepare (TempoMap &tempo_map, const MidiModel::NoteDiffCommand *cmd, framepos_t origin, framepos_t pos, std::set< boost::weak_ptr< Note > > &active_notes)
void	emit (Evoral::EventSink< framepos_t > &dst, framepos_t pos, MidiStateTracker &tracker)

Private Types
typedef Evoral::Event< framepos_t >	Event
typedef std::list< Event * >	Events

Private Member Functions
Event *	copy_event (framepos_t time, const Evoral::Event< Evoral::Beats > &ev)
bool	note_is_active (const BeatsFramesConverter &converter, boost::shared_ptr< Note > note, framepos_t pos)

Private Attributes
Events	_events

Detailed Description

A tracker and compensator for note edit operations.

This monitors edit operations sent to a model that affect active notes during a read, and maintains a queue of synthetic events that should be sent at the start of the next read to maintain coherent MIDI state.

Definition at line 46 of file note_fixer.h.

Member Typedef Documentation

typedef Evoral::Event<framepos_t> ARDOUR::NoteFixer::Event

private

Definition at line 84 of file note_fixer.h.

typedef std::list<Event*> ARDOUR::NoteFixer::Events

private

Definition at line 85 of file note_fixer.h.

typedef Evoral::Note<Evoral::Beats> ARDOUR::NoteFixer::Note

Definition at line 49 of file note_fixer.h.

Constructor & Destructor Documentation

ARDOUR::NoteFixer::~NoteFixer

(

)

Definition at line 29 of file note_fixer.cc.

Member Function Documentation

void ARDOUR::NoteFixer::clear

(

)

Clear all internal state.

Definition at line 35 of file note_fixer.cc.

NoteFixer::Event * ARDOUR::NoteFixer::copy_event ( framepos_t  time, const Evoral::Event< Evoral::Beats > &  ev  )

private

Copy a beats event to a frames event with the given time stamp.

Definition at line 129 of file note_fixer.cc.

void ARDOUR::NoteFixer::emit	(	Evoral::EventSink< framepos_t > &	dst,
		framepos_t	pos,
		MidiStateTracker &	tracker
	)

Emit any pending edit compensation events.

Parameters

dst	Destination for events.
pos	Timestamp to be used for every event, should be the start of the read block immediately following any calls to prepare().
tracker	Tracker to update with emitted events.

Definition at line 116 of file note_fixer.cc.

bool ARDOUR::NoteFixer::note_is_active ( const BeatsFramesConverter &  converter, boost::shared_ptr< Note >  note, framepos_t  pos  )

private

Return true iff note is active at pos.

Definition at line 135 of file note_fixer.cc.

void ARDOUR::NoteFixer::prepare	(	TempoMap &	tempo_map,
		const MidiModel::NoteDiffCommand *	cmd,
		framepos_t	origin,
		framepos_t	pos,
		std::set< boost::weak_ptr< Note > > &	active_notes
	)

Handle a region edit during read.

This must be called before the command is applied to the model. Events are enqueued to compensate for edits which should be later sent with emit() at the start of the next read.

Parameters

cmd	Command to compensate for.
origin	Timeline position of edited source.
pos	Current read position (last read end).

Definition at line 43 of file note_fixer.cc.

Member Data Documentation

Events ARDOUR::NoteFixer::_events

private

Definition at line 95 of file note_fixer.h.

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The documentation for this class was generated from the following files:

• /usr/local/music/src/ardour/4.0/libs/ardour/ardour/note_fixer.h
• /usr/local/music/src/ardour/4.0/libs/ardour/note_fixer.cc