Revert "show track-ID in mixer" and "...towards unique track numbers."

This reverts commits:
  ca54ea2b462869bfd9254a493d073ca1e9ad4b8e.
  9e87e058e26b87013e89ddf5d3b7358d50024d60.

gtk2_ardour/mixer_strip.cc

@@ -1545,7 +1545,7 @@ MixerStrip::name_changed ()
 {
 	switch (_width) {
 	case Wide:
-		name_button.set_text (_route->id_and_name());
+		name_button.set_text (_route->name());
 		break;
 	case Narrow:
 		name_button.set_text (PBD::short_version (_route->name(), 5));

libs/ardour/ardour/route.h

@@ -98,8 +98,6 @@ class Route : public SessionObject, public Automatable, public RouteGroupMember,
 	std::string comment() { return _comment; }
 	void set_comment (std::string str, void *src);
 
-	std::string id_and_name(std::string id_prefix="", std::string id_suffix=" ");
-
 	bool set_name (const std::string& str);
 	static void set_name_in_state (XMLNode &, const std::string &);
 
@@ -186,9 +184,6 @@ class Route : public SessionObject, public Automatable, public RouteGroupMember,
 	void         set_meter_type (MeterType t) { _meter_type = t; }
 	MeterType    meter_type() const { return _meter_type; }
 
-	void         set_unique_id (uint32_t id) { _unique_id = id; }
-	uint32_t     unique_id() const { return _unique_id; }
-
 	/* Processors */
 
 	boost::shared_ptr<Amp> amp() const  { return _amp; }
@@ -500,7 +495,6 @@ class Route : public SessionObject, public Automatable, public RouteGroupMember,
 	uint32_t       _soloed_by_others_upstream;
 	uint32_t       _soloed_by_others_downstream;
 	uint32_t       _solo_isolated;
-	uint32_t       _unique_id;
 
 	bool           _denormal_protection;
 

libs/ardour/ardour/session.h

@@ -929,7 +929,6 @@ class Session : public PBD::StatefulDestructible, public PBD::ScopedConnectionLi
 	bool                    _writable;
 	bool                    _was_seamless;
 	bool                    _under_nsm_control;
-	uint32_t                _unique_track_number;
 
 	void initialize_latencies ();
 	void set_worst_io_latencies ();

libs/ardour/route.cc

@@ -88,7 +88,6 @@ Route::Route (Session& sess, string name, Flag flg, DataType default_type)
 	, _soloed_by_others_upstream (0)
 	, _soloed_by_others_downstream (0)
 	, _solo_isolated (0)
-	, _unique_id (0)
 	, _denormal_protection (false)
 	, _recordable (true)
 	, _silent (false)
@@ -1882,9 +1881,6 @@ Route::state(bool full_state)
 
 	node->add_property("meter-type", enum_2_string (_meter_type));
 
-	snprintf (buf, sizeof (buf), "%d", _unique_id);
-	node->add_property("unique-id", buf);
-
 	if (_route_group) {
 		node->add_property("route-group", _route_group->name());
 	}
@@ -2063,10 +2059,6 @@ Route::set_state (const XMLNode& node, int version)
 		_meter_type = MeterType (string_2_enum (prop->value (), _meter_type));
 	}
 
-	if ((prop = node.property (X_("unique-id"))) != 0) {
-		_unique_id = atoi(prop->value());
-	}
-
 	set_processor_state (processor_state);
 
 	// this looks up the internal instrument in processors
@@ -3488,18 +3480,6 @@ Route::set_name (const string& str)
 	return ret;
 }
 
-std::string
-Route::id_and_name (std::string id_prefix, std::string id_postfix)
-{
-	if (_unique_id == 0) {
-		return name();
-	} else {
-		stringstream ss;
-		ss << id_prefix << _unique_id << id_postfix << name();
-		return ss.str();
-	}
-}
-
 /** Set the name of a route in an XML description.
  *  @param node XML <Route> node to set the name in.
  *  @param name New name.

libs/ardour/session.cc

@@ -134,7 +134,6 @@ Session::Session (AudioEngine &eng,
 	, _target_transport_speed (0.0)
 	, _requested_return_frame (-1)
 	, _under_nsm_control (false)
-	, _unique_track_number (0)
 	, _session_dir (new SessionDirectory(fullpath))
 	, state_tree (0)
 	, _state_of_the_state (Clean)
@@ -1650,7 +1649,6 @@ Session::new_midi_track (const ChanCount& input, const ChanCount& output, boost:
 
 		try {
 			track.reset (new MidiTrack (*this, track_name, Route::Flag (0), mode));
-			track->set_unique_id(++_unique_track_number);
 
 			if (track->init ()) {
 				goto failed;
@@ -1886,7 +1884,6 @@ Session::new_audio_track (int input_channels, int output_channels, TrackMode mod
 
 		try {
 			track.reset (new AudioTrack (*this, track_name, Route::Flag (0), mode));
-			track->set_unique_id(++_unique_track_number);
 
 			if (track->init ()) {
 				goto failed;

libs/ardour/session_state.cc

@@ -1033,9 +1033,6 @@ Session::state (bool full_state)
 	snprintf (buf, sizeof (buf), "%" PRIu64, ID::counter());
 	node->add_property ("id-counter", buf);
 
-	snprintf (buf, sizeof (buf), "%d", _unique_track_number);
-	node->add_property ("trackid-counter", buf);
-
 	/* save the event ID counter */
 
 	snprintf (buf, sizeof (buf), "%d", Evoral::event_id_counter());
@@ -1244,10 +1241,6 @@ Session::set_state (const XMLNode& node, int version)
 		ID::init_counter (now);
 	}
 
-        if ((prop = node.property (X_("trackid-counter"))) != 0) {
-                _unique_track_number = atoi (prop->value());
-        }
-
         if ((prop = node.property (X_("event-counter"))) != 0) {
                 Evoral::init_event_id_counter (atoi (prop->value()));
         }