#include <ardour/source.h>
#include <ardour/ardour.h>
-#include <ardour/stateful.h>
+#include <ardour/buffer.h>
+#include <ardour/midi_model.h>
+#include <pbd/stateful.h>
#include <pbd/xml++.h>
using std::string;
namespace ARDOUR {
-/** Source for raw MIDI data */
+class MidiRingBuffer;
+
+/** Source for MIDI data */
class MidiSource : public Source
{
public:
- MidiSource (string name);
- MidiSource (const XMLNode&);
+ MidiSource (Session& session, string name);
+ MidiSource (Session& session, const XMLNode&);
virtual ~MidiSource ();
-
- /* returns the number of items in this `midi_source' */
-
- // Applicable to MIDI? With what unit? [DR]
- virtual jack_nframes_t length() const {
- return _length;
- }
-
- virtual jack_nframes_t read (unsigned char *dst, jack_nframes_t start, jack_nframes_t cnt, char * workbuf) const;
- virtual jack_nframes_t write (unsigned char *src, jack_nframes_t cnt, char * workbuf);
+
+ virtual nframes_t read (MidiRingBuffer& dst, nframes_t start, nframes_t cnt, nframes_t stamp_offset) const;
+ virtual nframes_t write (MidiRingBuffer& src, nframes_t cnt);
virtual void mark_for_remove() = 0;
virtual void mark_streaming_write_completed () {}
- void set_captured_for (string str) { _captured_for = str; }
string captured_for() const { return _captured_for; }
+ void set_captured_for (string str) { _captured_for = str; }
- uint32_t read_data_count() const { return _read_data_count; }
+ uint32_t read_data_count() const { return _read_data_count; }
uint32_t write_data_count() const { return _write_data_count; }
static sigc::signal<void,MidiSource*> MidiSourceCreated;
- mutable sigc::signal<void> PeaksReady;
- mutable sigc::signal<void,jack_nframes_t,jack_nframes_t> PeakRangeReady;
+ // The MIDI equivalent to "peaks" (but complete data)
+ mutable sigc::signal<void,boost::shared_ptr<MidiBuffer>,nframes_t,nframes_t> ViewDataRangeReady;
XMLNode& get_state ();
int set_state (const XMLNode&);
- protected:
- jack_nframes_t _length;
- string _captured_for;
+ virtual void load_model(bool lock=true) = 0;
+ virtual void destroy_model() = 0;
- mutable uint32_t _read_data_count; // modified in read()
- mutable uint32_t _write_data_count; // modified in write()
+ MidiModel* model() { return _model; }
- virtual jack_nframes_t read_unlocked (unsigned char *dst, jack_nframes_t start, jack_nframes_t cnt, char * workbuf) const = 0;
- virtual jack_nframes_t write_unlocked (unsigned char *dst, jack_nframes_t cnt, char * workbuf) = 0;
+ protected:
+ virtual nframes_t read_unlocked (MidiRingBuffer& dst, nframes_t start, nframes_t cnt, nframes_t stamp_offset) const = 0;
+ virtual nframes_t write_unlocked (MidiRingBuffer& dst, nframes_t cnt) = 0;
- void update_length (jack_nframes_t pos, jack_nframes_t cnt);
+ mutable Glib::Mutex _lock;
+ string _captured_for;
+ mutable uint32_t _read_data_count; ///< modified in read()
+ mutable uint32_t _write_data_count; ///< modified in write()
+
+ MidiModel* _model;
private:
bool file_changed (string path);