prepare region RMS (loudness) normalization
[ardour.git] / libs / ardour / ardour / track.h
index da5e2bbae80eda606152ca386deb8f99aabf3c8b..243d40faf08b6d1ffc3815a2272a9fa63c75f1f8 100644 (file)
@@ -22,6 +22,7 @@
 #include <boost/shared_ptr.hpp>
 
 #include "ardour/interthread_info.h"
+#include "ardour/recordable.h"
 #include "ardour/route.h"
 #include "ardour/public_diskstream.h"
 
@@ -34,11 +35,19 @@ class Source;
 class Region;
 class Diskstream;
 class IO;
-
-class LIBARDOUR_API Track : public Route, public PublicDiskstream
+class MonitorControl;
+class RecordEnableControl;
+class RecordSafeControl;
+
+/** A track is an route (bus) with a recordable diskstream and
+ * related objects relevant to tracking, playback and editing.
+ *
+ * Specifically a track has regions and playlist objects.
+ */
+class LIBARDOUR_API Track : public Route, public Recordable, public PublicDiskstream
 {
   public:
-       Track (Session&, std::string name, Route::Flag f = Route::Flag (0), TrackMode m = Normal, DataType default_type = DataType::AUDIO);
+       Track (Session&, std::string name, PresentationInfo::Flag f = PresentationInfo::Flag (0), TrackMode m = Normal, DataType default_type = DataType::AUDIO);
        virtual ~Track ();
 
        int init ();
@@ -51,23 +60,9 @@ class LIBARDOUR_API Track : public Route, public PublicDiskstream
        virtual bool can_use_mode (TrackMode /*m*/, bool& /*bounce_required*/) { return false; }
        PBD::Signal0<void> TrackModeChanged;
 
-       class LIBARDOUR_API MonitoringControllable : public RouteAutomationControl {
-       public:
-               MonitoringControllable (std::string name, boost::shared_ptr<Track>);
-               void set_value (double, PBD::Controllable::GroupControlDisposition group_override);
-               /* currently no automation, so no need for set_value_unchecked() */
-               double get_value () const;
-       private:
-               void _set_value (double, PBD::Controllable::GroupControlDisposition group_override);
-       };
-
-       void set_monitoring (MonitorChoice, PBD::Controllable::GroupControlDisposition group_override);
-       MonitorChoice monitoring_choice() const { return _monitoring; }
-        MonitorState monitoring_state () const;
-       PBD::Signal0<void> MonitoringChanged;
-
-       boost::shared_ptr<AutomationControl> monitoring_control() const { return _monitoring_control; }
+       boost::shared_ptr<MonitorControl> monitoring_control() const { return _monitoring_control; }
 
+       MonitorState monitoring_state () const;
        MeterState metering_state () const;
 
        virtual int no_roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame,
@@ -111,7 +106,13 @@ class LIBARDOUR_API Track : public Route, public PublicDiskstream
         * @return true if the track can be bounced, or false otherwise.
         */
        virtual bool bounceable (boost::shared_ptr<Processor> endpoint, bool include_endpoint) const = 0;
-       virtual boost::shared_ptr<Region> bounce (InterThreadInfo&) = 0;
+
+       /** bounce track from session start to session end to new region
+        *
+        * @param itt asynchronous progress report and cancel
+        * @return a new audio region (or nil in case of error)
+        */
+       virtual boost::shared_ptr<Region> bounce (InterThreadInfo& itt) = 0;
 
        /** Bounce the given range to a new audio region.
         * @param start start time (in samples)
@@ -131,13 +132,12 @@ class LIBARDOUR_API Track : public Route, public PublicDiskstream
        virtual int set_state (const XMLNode&, int version);
        static void zero_diskstream_id_in_xml (XMLNode&);
 
-       boost::shared_ptr<AutomationControl> rec_enable_control() { return _rec_enable_control; }
+       boost::shared_ptr<AutomationControl> rec_enable_control() const { return _record_enable_control; }
+       boost::shared_ptr<AutomationControl> rec_safe_control() const { return _record_safe_control; }
 
-       bool record_enabled() const;
-       bool record_safe () const;
-       void set_record_enabled (bool yn, PBD::Controllable::GroupControlDisposition);
-       void set_record_safe (bool yn, PBD::Controllable::GroupControlDisposition);
-       void prep_record_enabled (bool yn, PBD::Controllable::GroupControlDisposition);
+       int prep_record_enabled (bool);
+       bool can_be_record_enabled ();
+       bool can_be_record_safe ();
 
        bool using_diskstream_id (PBD::ID) const;
 
@@ -193,8 +193,6 @@ class LIBARDOUR_API Track : public Route, public PublicDiskstream
        PBD::Signal0<void> FreezeChange;
        /* Emitted when our diskstream is set to use a different playlist */
        PBD::Signal0<void> PlaylistChanged;
-       PBD::Signal0<void> RecordEnableChanged;
-       PBD::Signal0<void> RecordSafeChanged;
        PBD::Signal0<void> SpeedChanged;
        PBD::Signal0<void> AlignmentStyleChanged;
 
@@ -205,8 +203,7 @@ class LIBARDOUR_API Track : public Route, public PublicDiskstream
        MeterPoint    _saved_meter_point;
        TrackMode     _mode;
        bool          _needs_butler;
-       MonitorChoice _monitoring;
-       boost::shared_ptr<MonitoringControllable> _monitoring_control;
+       boost::shared_ptr<MonitorControl> _monitoring_control;
 
        //private: (FIXME)
        struct FreezeRecordProcessorInfo {
@@ -231,20 +228,6 @@ class LIBARDOUR_API Track : public Route, public PublicDiskstream
                FreezeState                        state;
        };
 
-       class RecEnableControl : public AutomationControl {
-       public:
-               RecEnableControl (boost::shared_ptr<Track> t);
-
-               void set_value (double, PBD::Controllable::GroupControlDisposition);
-               void set_value_unchecked (double);
-               double get_value (void) const;
-
-               boost::weak_ptr<Track> track;
-
-       private:
-               void _set_value (double, PBD::Controllable::GroupControlDisposition);
-       };
-
        virtual void set_state_part_two () = 0;
 
        FreezeRecord          _freeze_record;
@@ -253,17 +236,20 @@ class LIBARDOUR_API Track : public Route, public PublicDiskstream
 
        void maybe_declick (BufferSet&, framecnt_t, int);
 
-       boost::shared_ptr<RecEnableControl> _rec_enable_control;
+       boost::shared_ptr<AutomationControl> _record_enable_control;
+       boost::shared_ptr<AutomationControl> _record_safe_control;
+
+       virtual void record_enable_changed (bool, PBD::Controllable::GroupControlDisposition);
+       virtual void record_safe_changed (bool, PBD::Controllable::GroupControlDisposition);
 
        framecnt_t check_initial_delay (framecnt_t nframes, framepos_t&);
+       virtual void monitoring_changed (bool, PBD::Controllable::GroupControlDisposition);
 
 private:
 
        virtual boost::shared_ptr<Diskstream> diskstream_factory (XMLNode const &) = 0;
 
        void diskstream_playlist_changed ();
-       void diskstream_record_enable_changed ();
-       void diskstream_record_safe_changed ();
        void diskstream_speed_changed ();
        void diskstream_alignment_style_changed ();
        void parameter_changed (std::string const & p);