dynamic playback & capture buffer resizing (though transport is stopped first)

[ardour.git] / libs / ardour / ardour / route.h

diff --git a/libs/ardour/ardour/route.h b/libs/ardour/ardour/route.h
index 011ff8ba7ba1ab4208be6c54bbec6ffec2d6e0ed..3d4f7f139a19287a4c9d025c2e62a7aedd92ed29 100644 (file)
--- a/libs/ardour/ardour/route.h
+++ b/libs/ardour/ardour/route.h
@@ -43,6 +43,7 @@
 #include "ardour/types.h"
 #include "ardour/mute_master.h"
 #include "ardour/route_group_member.h"
+#include "ardour/graphnode.h"
 
 namespace ARDOUR {
 
@@ -56,7 +57,7 @@ class Send;
 class InternalReturn;
 class MonitorProcessor;
 
-class Route : public SessionObject, public AutomatableControls, public RouteGroupMember
+class Route : public SessionObject, public AutomatableControls, public RouteGroupMember, public GraphNode
 {
   public:
 
@@ -123,9 +124,10 @@ class Route : public SessionObject, public AutomatableControls, public RouteGrou
        void inc_gain (gain_t delta, void *src);
 
        void set_mute_points (MuteMaster::MutePoint);
-       MuteMaster::MutePoint mute_points() const { return _mute_points; }
-       void set_mute (bool yn, void* src);
+       MuteMaster::MutePoint mute_points () const;
+
        bool muted () const;
+       void set_mute (bool yn, void* src);
 
        /* controls use set_solo() to modify this route's solo state
         */
@@ -133,7 +135,9 @@ class Route : public SessionObject, public AutomatableControls, public RouteGrou
        void set_solo (bool yn, void *src);
        bool soloed () const { return self_soloed () || soloed_by_others (); }
 
-       bool soloed_by_others () const { return !_solo_isolated && _soloed_by_others; }
+        bool soloed_by_others () const { return _soloed_by_others_upstream||_soloed_by_others_downstream; }
+       bool soloed_by_others_upstream () const { return _soloed_by_others_upstream; }
+       bool soloed_by_others_downstream () const { return _soloed_by_others_downstream; }
        bool self_soloed () const { return _self_solo; }
        
        void set_solo_isolated (bool yn, void *src);
@@ -188,6 +192,7 @@ class Route : public SessionObject, public AutomatableControls, public RouteGrou
 
        bool processor_is_prefader (boost::shared_ptr<Processor> p);
 
+        bool has_io_processor_named (const std::string&);
        ChanCount max_processor_streams () const { return processor_max_streams; }
 
        /* special processors */
@@ -237,7 +242,7 @@ class Route : public SessionObject, public AutomatableControls, public RouteGrou
        PBD::Signal0<void>       phase_invert_changed;
        PBD::Signal0<void>       denormal_protection_changed;
        PBD::Signal1<void,void*> listen_changed;
-       PBD::Signal1<void,void*> solo_changed;
+       PBD::Signal2<void,bool,void*> solo_changed;
        PBD::Signal1<void,void*> solo_safe_changed;
        PBD::Signal1<void,void*> solo_isolated_changed;
        PBD::Signal1<void,void*> comment_changed;
@@ -272,8 +277,39 @@ class Route : public SessionObject, public AutomatableControls, public RouteGrou
        int listen_via (boost::shared_ptr<Route>, Placement p, bool active, bool aux);
        void drop_listen (boost::shared_ptr<Route>);
 
-       bool feeds (boost::shared_ptr<Route>, bool* via_send_only = 0);
-       std::set<boost::weak_ptr<Route> > fed_by;
+       /** 
+        * return true if this route feeds the first argument via at least one
+        * (arbitrarily long) signal pathway.
+        */
+        bool feeds (boost::shared_ptr<Route>, bool* via_send_only = 0);
+
+       /** 
+        * return true if this route feeds the first argument directly, via
+        * either its main outs or a send.
+        */
+       bool direct_feeds (boost::shared_ptr<Route>, bool* via_send_only = 0);
+
+        struct FeedRecord {
+            boost::weak_ptr<Route> r;
+            bool sends_only;
+
+            FeedRecord (boost::shared_ptr<Route> rp, bool sendsonly)
+                    : r (rp)
+                    , sends_only (sendsonly) {}
+        };
+
+        struct FeedRecordCompare {
+            bool operator() (const FeedRecord& a, const FeedRecord& b) const {
+                    return a.r < b.r;
+            }
+        };
+
+        typedef std::set<FeedRecord,FeedRecordCompare> FedBy;
+
+        const FedBy& fed_by() const { return _fed_by; }
+        void clear_fed_by ();
+        bool add_fed_by (boost::shared_ptr<Route>, bool sends_only);
+        bool not_fed() const { return _fed_by.empty(); }
 
        /* Controls (not all directly owned by the Route */
 
@@ -336,11 +372,12 @@ class Route : public SessionObject, public AutomatableControls, public RouteGrou
        friend class Session;
 
        void catch_up_on_solo_mute_override ();
-       void mod_solo_by_others (int32_t);
-       void set_block_size (nframes_t nframes);
+       void mod_solo_by_others_upstream (int32_t);
+       void mod_solo_by_others_downstream (int32_t);
        bool has_external_redirects() const;
        void curve_reallocate ();
        void just_meter_input (sframes_t start_frame, sframes_t end_frame, nframes_t nframes);
+       virtual void set_block_size (nframes_t nframes);
 
   protected:
        nframes_t check_initial_delay (nframes_t, nframes_t&);
@@ -374,7 +411,8 @@ class Route : public SessionObject, public AutomatableControls, public RouteGrou
        MeterPoint     _meter_point;
        uint32_t       _phase_invert;
        bool           _self_solo;
-       uint32_t       _soloed_by_others;
+       uint32_t       _soloed_by_others_upstream;
+       uint32_t       _soloed_by_others_downstream;
        uint32_t       _solo_isolated;
 
        bool           _denormal_protection;
@@ -386,12 +424,12 @@ class Route : public SessionObject, public AutomatableControls, public RouteGrou
        boost::shared_ptr<SoloControllable> _solo_control;
        boost::shared_ptr<MuteControllable> _mute_control;
        boost::shared_ptr<MuteMaster> _mute_master;
-       MuteMaster::MutePoint _mute_points;
-
+    
        std::string    _comment;
        bool           _have_internal_generator;
        bool           _solo_safe;
        DataType       _default_type;
+        FedBy          _fed_by;
 
         virtual ChanCount input_streams () const;
 
@@ -403,7 +441,8 @@ class Route : public SessionObject, public AutomatableControls, public RouteGrou
        void passthru_silence (sframes_t start_frame, sframes_t end_frame,
                               nframes_t nframes, int declick);
 
-       void silence (nframes_t nframes);
+       void silence (nframes_t);
+       void silence_unlocked (nframes_t);
 
        ChanCount processor_max_streams;
        uint32_t _remote_control_id;
@@ -438,7 +477,9 @@ class Route : public SessionObject, public AutomatableControls, public RouteGrou
        void placement_range (Placement p, ProcessorList::iterator& start, ProcessorList::iterator& end);
 
        void set_self_solo (bool yn);
-       void set_delivery_solo ();
+       void set_mute_master_solo ();
+
+       void set_processor_positions ();
 };
 
 } // namespace ARDOUR