X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Finternal_send.cc;h=4c3b385304e88c54f6c871c677d90f787937850c;hb=04724c21b66fd6e81fd0fbf0ac7cae9c7d9b3b8a;hp=9cfc8d9702e2097d9d169ccc375511fd486ba691;hpb=b2bc408cef1715de0009c65ff082c6e914de1991;p=ardour.git

diff --git a/libs/ardour/internal_send.cc b/libs/ardour/internal_send.cc
index 9cfc8d9702..4c3b385304 100644
--- a/libs/ardour/internal_send.cc
+++ b/libs/ardour/internal_send.cc
@@ -32,26 +32,15 @@ using namespace PBD;
 using namespace ARDOUR;
 using namespace std;
 
-InternalSend::InternalSend (Session& s, boost::shared_ptr<MuteMaster> mm, boost::shared_ptr<Route> sendto, Delivery::Role role)
-	: Send (s, mm, role)
-	, _send_to (sendto)
+InternalSend::InternalSend (Session& s, boost::shared_ptr<Pannable> p, boost::shared_ptr<MuteMaster> mm, boost::shared_ptr<Route> sendto, Delivery::Role role)
+	: Send (s, p, mm, role)
+	, target (0)
 {
-	if ((target = _send_to->get_return_buffer ()) == 0) {
-		throw failed_constructor();
-	}
-
-	set_name (sendto->name());
-
-	_send_to->DropReferences.connect_same_thread (*this, boost::bind (&InternalSend::send_to_going_away, this));
-	_send_to->PropertyChanged.connect_same_thread (*this, boost::bind (&InternalSend::send_to_property_changed, this, _1));;
-}
-
-InternalSend::InternalSend (Session& s, boost::shared_ptr<MuteMaster> mm, const XMLNode& node)
-	: Send (s, mm, node, Stateful::loading_state_version, Delivery::Aux /* will be reset in set_state() */),
-	  target (0)
-{
-	/* Send constructor will set its state, so here we just need to set up our own */
-	set_our_state (node, Stateful::loading_state_version);
+        if (sendto) {
+                if (use_target (sendto)) {
+                        throw failed_constructor();
+                }
+        }
 }
 
 InternalSend::~InternalSend ()
@@ -59,20 +48,40 @@ InternalSend::~InternalSend ()
 	if (_send_to) {
 		_send_to->release_return_buffer ();
 	}
+}
 
-	connect_c.disconnect ();
+int
+InternalSend::use_target (boost::shared_ptr<Route> sendto)
+{
+        _send_to = sendto;
+
+        if ((target = _send_to->get_return_buffer ()) == 0) {
+                return -1;
+        }
+        
+        set_name (sendto->name());
+        _send_to_id = _send_to->id();
+
+        target_connections.drop_connections ();
+
+        _send_to->DropReferences.connect_same_thread (target_connections, boost::bind (&InternalSend::send_to_going_away, this));
+        _send_to->PropertyChanged.connect_same_thread (target_connections, boost::bind (&InternalSend::send_to_property_changed, this, _1));;
+
+        return 0;
 }
 
+
 void
 InternalSend::send_to_going_away ()
 {
 	target = 0;
+        target_connections.drop_connections ();
 	_send_to.reset ();
 	_send_to_id = "0";
 }
 
 void
-InternalSend::run (BufferSet& bufs, sframes_t start_frame, sframes_t end_frame, nframes_t nframes, bool)
+InternalSend::run (BufferSet& bufs, framepos_t start_frame, framepos_t end_frame, pframes_t nframes, bool)
 {
 	if ((!_active && !_pending_active) || !target || !_send_to) {
 		_meter->reset ();
@@ -137,10 +146,16 @@ InternalSend::run (BufferSet& bufs, sframes_t start_frame, sframes_t end_frame,
 	_active = _pending_active;
 }
 
-void
-InternalSend::set_block_size (nframes_t nframes)
+int
+InternalSend::set_block_size (pframes_t nframes)
 {
 	mixbufs.ensure_buffers (_configured_input, nframes);
+
+	/* ensure that our target can cope with us merging this many frames to it */
+	if (target) {
+		target->ensure_buffers (_configured_input, nframes);
+	}
+        return 0;
 }
 
 bool
@@ -212,17 +227,14 @@ InternalSend::connect_when_legal ()
 		return 0;
 	}
 
-	if ((_send_to = _session.route_by_id (_send_to_id)) == 0) {
-		error << X_("cannot find route to connect to") << endmsg;
-		return -1;
-	}
+        boost::shared_ptr<Route> sendto;
 
-	if ((target = _send_to->get_return_buffer ()) == 0) {
-		error << X_("target for internal send has no return buffer") << endmsg;
+	if ((sendto = _session.route_by_id (_send_to_id)) == 0) {
+		error << X_("cannot find route to connect to") << endmsg;
 		return -1;
 	}
 
-	return 0;
+        return use_target (sendto);
 }
 
 bool