/*
Copyright (C) 2006 Paul Davis
- Written by Dave Robillard, 2006
+ 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
#include <string>
#include <time.h>
-#include <glibmm/thread.h>
+#include <glibmm/threads.h>
#include <boost/enable_shared_from_this.hpp>
#include "pbd/stateful.h"
#include "pbd/xml++.h"
class MidiStateTracker;
class MidiModel;
+
template<typename T> class MidiRingBuffer;
/** Source for MIDI data */
-class MidiSource : virtual public Source, public boost::enable_shared_from_this<MidiSource>
+class LIBARDOUR_API MidiSource : virtual public Source, public boost::enable_shared_from_this<MidiSource>
{
public:
typedef double TimeType;
MidiSource (Session& session, const XMLNode&);
virtual ~MidiSource ();
- boost::shared_ptr<MidiSource> clone (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.
+ *
+ * Returns zero on success, non-zero if the write failed for any
+ * reason.
+ *
+ */
+ int write_to (boost::shared_ptr<MidiSource> newsrc,
+ Evoral::MusicalTime begin = Evoral::MinMusicalTime,
+ Evoral::MusicalTime end = Evoral::MaxMusicalTime);
/** 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 tracker an optional pointer to MidiStateTracker object, for note on/off tracking
*/
virtual framecnt_t midi_read (Evoral::EventSink<framepos_t>& dst,
- framepos_t source_start,
- framepos_t start, framecnt_t cnt,
- MidiStateTracker*,
- std::set<Evoral::Parameter> const &) const;
-
+ framepos_t source_start,
+ framepos_t start,
+ framecnt_t cnt,
+ MidiStateTracker* tracker,
+ std::set<Evoral::Parameter> const &) 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,
- framepos_t source_start,
- framecnt_t cnt);
+ framepos_t source_start,
+ framecnt_t cnt);
virtual void append_event_unlocked_beats(const Evoral::Event<Evoral::MusicalTime>& ev) = 0;
virtual void append_event_unlocked_frames(const Evoral::Event<framepos_t>& ev,
- framepos_t source_start) = 0;
+ framepos_t source_start) = 0;
virtual bool empty () const;
virtual framecnt_t length (framepos_t pos) const;
- virtual void update_length (framepos_t pos, framecnt_t cnt);
+ 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 ();
- void mark_write_starting_now ();
+
+ /** 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 (
+ Evoral::Sequence<Evoral::MusicalTime>::StuckNoteOption stuck_option,
+ Evoral::MusicalTime when = 0);
virtual void session_saved();
std::string captured_for() const { return _captured_for; }
void set_captured_for (std::string str) { _captured_for = str; }
- uint32_t read_data_count() const { return _read_data_count; }
- uint32_t write_data_count() const { return _write_data_count; }
-
static PBD::Signal1<void,MidiSource*> MidiSourceCreated;
XMLNode& get_state ();
protected:
virtual void flush_midi() = 0;
- virtual framepos_t read_unlocked (Evoral::EventSink<framepos_t>& dst,
- framepos_t position,
- framepos_t start, framecnt_t cnt,
- MidiStateTracker* tracker) const = 0;
+ virtual framecnt_t read_unlocked (Evoral::EventSink<framepos_t>& dst,
+ framepos_t position,
+ framepos_t start,
+ framecnt_t cnt,
+ MidiStateTracker* tracker) const = 0;
- virtual framepos_t write_unlocked (MidiRingBuffer<framepos_t>& dst,
- framepos_t position,
- framecnt_t cnt) = 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,
+ framepos_t position,
+ framecnt_t cnt) = 0;
- std::string _captured_for;
- mutable uint32_t _read_data_count; ///< modified in read()
- mutable uint32_t _write_data_count; ///< modified in write()
+ std::string _captured_for;
boost::shared_ptr<MidiModel> _model;
bool _writing;
mutable double _length_beats;
mutable framepos_t _last_read_end;
- framepos_t _last_write_end;
+
+ /** 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 ()
projects / ardour.git / blobdiff