+ vector<Output>::iterator o;
+ vector<StreamPanner*>::iterator p;
+
+ for (o = outputs.begin(), p = _streampanners.begin(); o != outputs.end() && p != _streampanners.end(); ++o, ++p) {
+ (*p)->set_position ((*o).x, (*o).y);
+ }
+}
+
+void
+Panner::reset_streampanner (uint32_t which)
+{
+ if (which >= _streampanners.size() || which >= outputs.size()) {
+ return;
+ }
+
+ switch (outputs.size()) {
+ case 0:
+ case 1:
+ return;
+
+ case 2:
+ switch (_streampanners.size()) {
+ case 1:
+ /* stereo out, 1 stream, default = middle */
+ _streampanners.front()->set_position (0.5);
+ _streampanners.front()->pan_control()->list()->reset_default (0.5);
+ break;
+ case 2:
+ /* stereo out, 2 streams, default = hard left/right */
+ if (which == 0) {
+ _streampanners.front()->set_position (0.0);
+ _streampanners.front()->pan_control()->list()->reset_default (0.0);
+ } else {
+ _streampanners.back()->set_position (1.0);
+ _streampanners.back()->pan_control()->list()->reset_default (1.0);
+ }
+ break;
+ }
+ return;
+
+ default:
+ _streampanners[which]->set_position (outputs[which].x, outputs[which].y);
+ }
+}
+
+/**
+ * Reset the panner with a given number of outs and panners (and hence inputs)
+ *
+ * \param nouts Number of outputs.
+ * \param npans Number of panners.
+ */
+void
+Panner::reset (uint32_t nouts, uint32_t npans)
+{
+ uint32_t n;
+ bool changed = false;
+ bool do_not_and_did_not_need_panning = ((nouts < 2) && (outputs.size() < 2));
+
+ /* if new and old config don't need panning, or if
+ the config hasn't changed, we're done.
+ */
+
+ if (do_not_and_did_not_need_panning ||
+ ((nouts == outputs.size()) && (npans == _streampanners.size()))) {
+ return;
+ }
+
+ n = _streampanners.size();
+ clear_panners ();
+
+ if (n != npans) {
+ changed = true;
+ }
+
+ n = outputs.size();