namespace ARDOUR {
+class MidiChannelFilter;
class MidiStateTracker;
class MidiModel;
class LIBARDOUR_API MidiSource : virtual public Source, public boost::enable_shared_from_this<MidiSource>
{
public:
- typedef double TimeType;
+ typedef Evoral::Beats TimeType;
MidiSource (Session& session, std::string name, Source::Flag flags = Source::Flag(0));
MidiSource (Session& session, const XMLNode&);
virtual ~MidiSource ();
- boost::shared_ptr<MidiSource> clone (const std::string& path,
- Evoral::MusicalTime begin = Evoral::MinMusicalTime,
- Evoral::MusicalTime end = Evoral::MaxMusicalTime);
+ /** Write the data in the given time range to another MidiSource
+ * \param newsrc MidiSource to which data will be written. Should be a
+ * new, empty source. If it already has contents, the results are
+ * undefined. Source must be writable.
+ * \param begin time of earliest event that can be written.
+ * \param end time of latest event that can be written.
+ * \return zero on success, non-zero if the write failed for any reason.
+ */
+ int write_to (const Lock& lock,
+ boost::shared_ptr<MidiSource> newsrc,
+ Evoral::Beats begin = Evoral::MinBeats,
+ Evoral::Beats end = Evoral::MaxBeats);
/** Read the data in a given time range from the MIDI source.
* All time stamps in parameters are in audio frames (even if the source has tempo time).
- * \param dst Ring buffer where read events are written
- * \param source_start Start position of the SOURCE in this read context
- * \param start Start of range to be read
- * \param cnt Length of range to be read (in audio frames)
- * \param tracker an optional pointer to MidiStateTracker object, for note on/off tracking
+ * \param dst Ring buffer where read events are written.
+ * \param source_start Start position of the SOURCE in this read context.
+ * \param start Start of range to be read.
+ * \param cnt Length of range to be read (in audio frames).
+ * \param tracker an optional pointer to MidiStateTracker object, for note on/off tracking.
+ * \param filtered Parameters whose MIDI messages will not be returned.
*/
- virtual framecnt_t midi_read (Evoral::EventSink<framepos_t>& dst,
- framepos_t source_start,
- framepos_t start,
- framecnt_t cnt,
- MidiStateTracker* tracker,
- std::set<Evoral::Parameter> const &) const;
+ virtual framecnt_t midi_read (const Lock& lock,
+ Evoral::EventSink<framepos_t>& dst,
+ framepos_t source_start,
+ framepos_t start,
+ framecnt_t cnt,
+ MidiStateTracker* tracker,
+ MidiChannelFilter* filter,
+ const std::set<Evoral::Parameter>& filtered) const;
/** Write data from a MidiRingBuffer to this source.
* @param source Source to read from.
* @param source_start This source's start position in session frames.
* @param cnt The length of time to write.
*/
- virtual framecnt_t midi_write (MidiRingBuffer<framepos_t>& src,
+ virtual framecnt_t midi_write (const Lock& lock,
+ MidiRingBuffer<framepos_t>& src,
framepos_t source_start,
framecnt_t cnt);
- virtual void append_event_unlocked_beats(const Evoral::Event<Evoral::MusicalTime>& ev) = 0;
+ /** Append a single event with a timestamp in beats.
+ *
+ * Caller must ensure that the event is later than the last written event.
+ */
+ virtual void append_event_beats(const Lock& lock,
+ const Evoral::Event<Evoral::Beats>& ev) = 0;
- virtual void append_event_unlocked_frames(const Evoral::Event<framepos_t>& ev,
- framepos_t source_start) = 0;
+ /** Append a single event with a timestamp in frames.
+ *
+ * Caller must ensure that the event is later than the last written event.
+ */
+ virtual void append_event_frames(const Lock& lock,
+ const Evoral::Event<framepos_t>& ev,
+ framepos_t source_start) = 0;
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 (NoteMode mode);
- virtual void mark_streaming_write_started ();
- virtual void mark_streaming_write_completed ();
+ 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.
*
* etc.
*/
virtual void mark_midi_streaming_write_completed (
- Evoral::Sequence<Evoral::MusicalTime>::StuckNoteOption stuck_option,
- Evoral::MusicalTime when = 0);
+ const Lock& lock,
+ Evoral::Sequence<Evoral::Beats>::StuckNoteOption stuck_option,
+ Evoral::Beats when = Evoral::Beats());
virtual void session_saved();
bool length_mutable() const { return true; }
- void set_length_beats(double l) { _length_beats = l; }
- double length_beats() const { return _length_beats; }
+ void set_length_beats(TimeType l) { _length_beats = l; }
+ TimeType length_beats() const { return _length_beats; }
- virtual void load_model(bool lock=true, bool force_reload=false) = 0;
- virtual void destroy_model() = 0;
+ 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;
- /** This must be called with the source lock held whenever the
- * source/model contents have been changed (reset iterators/cache/etc).
+ /** Reset cached information (like iterators) when things have changed.
+ * @param lock Source lock, which must be held by caller.
+ * @param notes If non-NULL, currently active notes are added to this set.
*/
- void invalidate();
+ void invalidate(const Glib::Threads::Mutex::Lock& lock,
+ std::set<Evoral::Sequence<Evoral::Beats>::WeakNotePtr>* notes=NULL);
- void set_note_mode(NoteMode mode);
+ void set_note_mode(const Glib::Threads::Mutex::Lock& lock, NoteMode mode);
boost::shared_ptr<MidiModel> model() { return _model; }
- void set_model (boost::shared_ptr<MidiModel>);
- void drop_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);
PBD::Signal2<void, Evoral::Parameter, AutoState> AutomationStateChanged;
protected:
- virtual void flush_midi() = 0;
+ virtual void flush_midi(const Lock& lock) = 0;
- virtual framecnt_t read_unlocked (Evoral::EventSink<framepos_t>& dst,
+ virtual framecnt_t read_unlocked (const Lock& lock,
+ Evoral::EventSink<framepos_t>& dst,
framepos_t position,
framepos_t start,
framecnt_t cnt,
- MidiStateTracker* tracker) const = 0;
+ 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 (MidiRingBuffer<framepos_t>& source,
+ virtual framecnt_t write_unlocked (const Lock& lock,
+ MidiRingBuffer<framepos_t>& source,
framepos_t position,
framecnt_t cnt) = 0;
boost::shared_ptr<MidiModel> _model;
bool _writing;
- mutable Evoral::Sequence<Evoral::MusicalTime>::const_iterator _model_iter;
- mutable bool _model_iter_valid;
+ mutable Evoral::Sequence<Evoral::Beats>::const_iterator _model_iter;
+ mutable bool _model_iter_valid;
- mutable double _length_beats;
- mutable framepos_t _last_read_end;
+ mutable Evoral::Beats _length_beats;
+ mutable framepos_t _last_read_end;
/** The total duration of the current capture. */
framepos_t _capture_length;