diff options
Diffstat (limited to 'libs/ardour/ardour/midi_source.h')
| -rw-r--r-- | libs/ardour/ardour/midi_source.h | 34 |
1 files changed, 27 insertions, 7 deletions
diff --git a/libs/ardour/ardour/midi_source.h b/libs/ardour/ardour/midi_source.h index ed2950e9e5..a5aac8859b 100644 --- a/libs/ardour/ardour/midi_source.h +++ b/libs/ardour/ardour/midi_source.h @@ -88,7 +88,20 @@ class MidiSource : virtual public Source, public boost::enable_shared_from_this< 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 @@ -104,9 +117,6 @@ class MidiSource : virtual public Source, public boost::enable_shared_from_this< std::string captured_for() const { return _captured_for; } void set_captured_for (std::string str) { _captured_for = str; } - framepos_t last_write_end() const { return _last_write_end; } - void set_last_write_end (framepos_t pos) { _last_write_end = pos; } - static PBD::Signal1<void,MidiSource*> MidiSourceCreated; XMLNode& get_state (); @@ -157,11 +167,16 @@ class MidiSource : virtual public Source, public boost::enable_shared_from_this< framecnt_t cnt, MidiStateTracker* tracker) const = 0; - virtual framecnt_t write_unlocked (MidiRingBuffer<framepos_t>& dst, + /** 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; + std::string _captured_for; boost::shared_ptr<MidiModel> _model; bool _writing; @@ -171,7 +186,12 @@ class MidiSource : virtual public Source, public boost::enable_shared_from_this< 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 () |