visibility macros and flush() added to SrcFileSource; merge with master

[ardour.git] / libs / panners / 2in2out / panner_2in2out.cc

diff --git a/libs/panners/2in2out/panner_2in2out.cc b/libs/panners/2in2out/panner_2in2out.cc
index 6740f56e6578eb4cf2c8b61b1bd0be5a8dc37d1b..f18dd94f45a6ef706602f301ff27443fac39cb54 100644 (file)
--- a/libs/panners/2in2out/panner_2in2out.cc
+++ b/libs/panners/2in2out/panner_2in2out.cc
@@ -49,7 +49,6 @@
 #include "ardour/runtime_functions.h"
 #include "ardour/session.h"
 #include "ardour/utils.h"
-#include "ardour/visibility.h"
 #include "ardour/mix.h"
 
 #include "panner_2in2out.h"
@@ -64,7 +63,10 @@ using namespace PBD;
 
 static PanPluginDescriptor _descriptor = {
         "Equal Power Stereo",
+        "http://ardour.org/plugin/panner_2in2out",
+        "http://ardour.org/plugin/panner_2in2out#ui",
         2, 2,
+        10000,
         Panner2in2out::factory
 };
 
@@ -76,7 +78,14 @@ Panner2in2out::Panner2in2out (boost::shared_ptr<Pannable> p)
         if (!_pannable->has_state()) {
                 _pannable->pan_azimuth_control->set_value (0.5);
                 _pannable->pan_width_control->set_value (1.0);
-        } 
+        }
+
+        double const w = width();
+        double const wrange = min (position(), (1 - position())) * 2;
+        if (fabs(w) > wrange) {
+                set_width(w > 0 ? wrange : -wrange);
+        }
+
         
         update ();
         
@@ -156,6 +165,11 @@ Panner2in2out::update ()
         double width = this->width ();
         const double direction_as_lr_fract = position ();
 
+        double const wrange = min (position(), (1 - position())) * 2;
+        if (fabs(width) > wrange) {
+                width = (width  > 0 ? wrange : -wrange);
+        }
+
         if (width < 0.0) {
                 width = -width;
                 pos[0] = direction_as_lr_fract + (width/2.0); // left signal lr_fract
@@ -419,6 +433,8 @@ Panner2in2out::distribute_one_automated (AudioBuffer& srcbuf, BufferSet& obufs,
                         panR = position[n] + (width[n]/2.0f); // center - width/2
                 }
 
+                panR = max(0.f, min(1.f, panR));
+
                 const float panL = 1 - panR;
 
                 /* note that are overwriting buffers, but its OK
@@ -465,6 +481,8 @@ XMLNode&
 Panner2in2out::get_state ()
 {
        XMLNode& root (Panner::get_state ());
+       root.add_property (X_("uri"), _descriptor.panner_uri);
+       /* this is needed to allow new sessions to load with old Ardour: */
        root.add_property (X_("type"), _descriptor.name);
        return root;
 }
@@ -518,7 +536,7 @@ Panner2in2out::value_as_string (boost::shared_ptr<AutomationControl> ac) const
                 return string_compose (_("Width: %1%%"), (int) floor (100.0 * val));
                 
         default:
-                return _pannable->value_as_string (ac);
+                return _("unused");
         }
 }