merge from trunk

git-svn-id: svn://localhost/ardour2/branches/undo@773 d708f5d6-7413-0410-9779-e7cbd77b26cf

libs/ardour/ardour/audio_unit.h

@@ -35,6 +35,7 @@
 class CAComponent;
 class CAAudioUnit;
 class CAComponentDescription;
+struct AudioBufferList;
 
 namespace ARDOUR {
 
@@ -89,6 +90,9 @@ class AUPlugin : public ARDOUR::Plugin
 	CAComponent* comp;
     CAAudioUnit* unit;
 
+	AudioBufferList* in_list;
+	AudioBufferList* out_list;
+
 	std::vector<std::pair<uint32_t, uint32_t> > parameter_map;
 };
 

libs/ardour/ardour/route.h

@@ -97,7 +97,7 @@ class Route : public IO
 	virtual int  silent_roll (jack_nframes_t nframes, jack_nframes_t start_frame, jack_nframes_t end_frame, 
 				  jack_nframes_t offset, bool can_record, bool rec_monitors_input);
 	virtual void toggle_monitor_input ();
-	virtual bool can_record() const { return false; }
+	virtual bool can_record() { return false; }
 	virtual void set_record_enable (bool yn, void *src) {}
 	virtual bool record_enabled() const { return false; }
 	virtual void handle_transport_stopped (bool abort, bool did_locate, bool flush_redirects);

libs/ardour/ardour/tempo.h

@@ -238,7 +238,7 @@ class TempoMap : public Stateful, public StateManager {
 
 	XMLNode& get_state (void);
 	int set_state (const XMLNode&);
-        PBD::ID id();
+        PBD::ID id() { return _id; }
 
 	void dump (std::ostream&) const;
 	void clear ();

libs/ardour/ardour/track.h

@@ -48,7 +48,7 @@ class Track : public Route
 
 	void toggle_monitor_input ();
 
-	bool can_record() const { return true; }
+	virtual bool can_record();
 
 	Diskstream& diskstream() const { return *_diskstream; }
 

libs/ardour/audio_unit.cc

@@ -64,6 +64,14 @@ AUPlugin::~AUPlugin ()
 	if (comp) {
 		delete comp;
 	}
+	
+	if (in_list) {
+		delete in_list;
+	}
+	
+	if (out_list) {
+		delete out_list;
+	}
 }
 
 AUPluginInfo::~AUPluginInfo ()

libs/ardour/io.cc

@@ -170,7 +170,7 @@ IO::silence (jack_nframes_t nframes, jack_nframes_t offset)
 void
 IO::apply_declick (vector<Sample *>& bufs, uint32_t nbufs, jack_nframes_t nframes, gain_t initial, gain_t target, bool invert_polarity)
 {
-	jack_nframes_t declick = min ((jack_nframes_t)4096, nframes);
+	jack_nframes_t declick = min ((jack_nframes_t)128, nframes);
 	gain_t delta;
 	Sample *buffer;
 	double fractional_shift;

libs/ardour/track.cc

@@ -31,6 +31,7 @@
 #include <ardour/audioplaylist.h>
 #include <ardour/panner.h>
 #include <ardour/utils.h>
+#include <ardour/connection.h>
 
 #include "i18n.h"
 
@@ -146,6 +147,18 @@ Track::record_enabled () const
 {
 	return _diskstream->record_enabled ();
 }
+
+bool
+Track::can_record()
+{
+	bool will_record = true;
+	for (int i = 0; i < _inputs.size() && will_record; i++) {
+		if (!_inputs[i]->connected())
+			will_record = false;
+	}
+
+	return will_record;
+}
 	
 void
 Track::set_record_enable (bool yn, void *src)
@@ -159,8 +172,13 @@ Track::set_record_enable (bool yn, void *src)
 		return;
 	}
 
-	/* keep track of the meter point as it was before we rec-enabled */
+	// Do not set rec enabled if the track can't record.
+	if (yn && !can_record()) {
+		error << string_compose( _("Can not arm track '%1'. Check the input connections"), name() ) << endmsg;
+		return;
+	}
 
+	/* keep track of the meter point as it was before we rec-enabled */
 	if (!_diskstream->record_enabled()) {
 		_saved_meter_point = _meter_point;
 	}