Fix sample-rate override when changing backends or devices

[ardour.git] / tools / bb / bb.h

diff --git a/tools/bb/bb.h b/tools/bb/bb.h
index 68c1fbe7096244817d366301737de250a2cb05ad..07175b6664745713e7dce57f86a1ee3857bf9f67 100644 (file)
--- a/tools/bb/bb.h
+++ b/tools/bb/bb.h
@@ -10,12 +10,18 @@
 
 #include <jack/jack.h>
 
+#include "ardour/midi_state_tracker.h"
+
 typedef uint64_t superclock_t;
 
 static const superclock_t superclock_ticks_per_second = 508032000; // 2^10 * 3^4 * 5^3 * 7^2
 inline superclock_t superclock_to_samples (superclock_t s, int sr) { return (s * sr) / superclock_ticks_per_second; }
 inline superclock_t samples_to_superclock (int samples, int sr) { return (samples * superclock_ticks_per_second) / sr; }
 
+namespace ARDOUR {
+class Session;
+}
+
 class BeatBox {
   public:
        BeatBox (int sample_rate);
@@ -35,11 +41,16 @@ class BeatBox {
 
        void set_quantize (int divisor);
 
+       float tempo() const { return _tempo; }
+       int meter_beats() const { return _meter_beats; }
+       int meter_beat_type() const { return _meter_beat_type; }
+
   private:
        bool _start_requested;
        bool _running;
        int   _measures;
        float _tempo;
+       float _tempo_request;
        int   _meter_beats;
        int   _meter_beat_type;
        jack_port_t* _input;
@@ -53,9 +64,12 @@ class BeatBox {
        superclock_t measure_superclocks;
        int _quantize_divisor;
        bool clear_pending;
+       ARDOUR::MidiStateTracker inbound_tracker;
+       ARDOUR::MidiStateTracker outbound_tracker;
 
        struct Event {
                superclock_t time;
+               superclock_t whole_note_superclocks;
                size_t       size;
                unsigned char  buf[24];
 
@@ -68,11 +82,16 @@ class BeatBox {
                bool operator () (Event const * a, Event const * b) const;
        };
 
+       typedef std::vector<Event*> IncompleteNotes;
+       IncompleteNotes _incomplete_notes;
+
        typedef std::set<Event*,EventComparator> Events;
        Events _current_events;
 
        typedef std::vector<Event*> EventPool;
        EventPool  event_pool;
+
+       void compute_tempo_clocks ();
 };