GUI: add audio want/got details

src/engine/engine.cpp

@@ -5952,6 +5952,14 @@ void DivEngine::switchMaster() {
   }
 }
 
+TAAudioDesc& DivEngine::getAudioDescWant() {
+  return want;
+}
+
+TAAudioDesc& DivEngine::getAudioDescGot() {
+  return got;
+}
+
 void DivEngine::initDispatch() {
   isBusy.lock();
   for (int i=0; i<song.systemLen; i++) {

src/engine/engine.h

@@ -536,6 +536,12 @@ class DivEngine {
     // switch master
     void switchMaster();
 
+    // get audio desc want
+    TAAudioDesc& getAudioDescWant();
+
+    // get audio desc
+    TAAudioDesc& getAudioDescGot();
+
     // init dispatch
     void initDispatch();
 

src/gui/gui.cpp

@@ -3236,6 +3236,12 @@ void FurnaceGUI::drawSettings() {
           settings.forceMono=forceMonoB;
         }
 
+        TAAudioDesc& audioWant=e->getAudioDescWant();
+        TAAudioDesc& audioGot=e->getAudioDescGot();
+
+        ImGui::Text("want: %d samples @ %.0fHz\n",audioWant.bufsize,audioWant.rate);
+        ImGui::Text("got: %d samples @ %.0fHz\n",audioGot.bufsize,audioGot.rate);
+
         ImGui::EndTabItem();
       }
       if (ImGui::BeginTabItem("Emulation")) {