Avoided some deprecation warnings when building hosts on Windows

examples/audio plugin host/Source/GraphEditorPanel.cpp

@@ -227,19 +227,24 @@ public:
         {
             String tip;
 
-            if (index_ == FilterGraph::midiChannelNumber)
+            if (index == FilterGraph::midiChannelNumber)
             {
-                tip = isInput ? "MIDI Input" : "MIDI Output";
+                tip = isInput ? "MIDI Input"
+                              : "MIDI Output";
             }
             else
             {
-                if (isInput)
-                    tip = node->getProcessor()->getInputChannelName (index_);
-                else
-                    tip = node->getProcessor()->getOutputChannelName (index_);
+                const AudioProcessor::AudioBusArrangement& busArrangement = node->getProcessor()->busArrangement;
+
+                const Array<AudioProcessor::AudioProcessorBus>& buses = isInput ? busArrangement.inputBuses
+                                                                                : busArrangement.outputBuses;
+
+                if (buses.size() > 0)
+                    tip = AudioChannelSet::getChannelTypeName (buses.getReference(0).channels.getTypeOfChannel (index));
 
                 if (tip.isEmpty())
-                    tip = (isInput ? "Input " : "Output ") + String (index_ + 1);
+                    tip = (isInput ? "Input "
+                                   : "Output ") + String (index + 1);
             }
 
             setTooltip (tip);

modules/juce_audio_processors/format_types/juce_VST3PluginFormat.cpp

@@ -1576,6 +1576,11 @@ private:
     JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (VST3PluginWindow)
 };
 
+#if JUCE_MSVC
+ #pragma warning (push)
+ #pragma warning (disable: 4996) // warning about overriding deprecated methods
+#endif
+
 //==============================================================================
 class VST3PluginInstance : public AudioPluginInstance
 {
@@ -2451,6 +2456,10 @@ private:
     JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (VST3PluginInstance)
 };
 
+#if JUCE_MSVC
+ #pragma warning (pop)
+#endif
+
 };
 
 //==============================================================================

modules/juce_audio_processors/format_types/juce_VSTPluginFormat.cpp

@@ -701,6 +701,11 @@ private:
 static const int defaultVSTSampleRateValue = 44100;
 static const int defaultVSTBlockSizeValue = 512;
 
+#if JUCE_MSVC
+ #pragma warning (push)
+ #pragma warning (disable: 4996) // warning about overriding deprecated methods
+#endif
+
 //==============================================================================
 //==============================================================================
 class VSTPluginInstance     : public AudioPluginInstance,
@@ -2681,6 +2686,10 @@ private:
     JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (VSTPluginWindow)
 };
 
+#if JUCE_MSVC
+ #pragma warning (pop)
+#endif
+
 //==============================================================================
 AudioProcessorEditor* VSTPluginInstance::createEditor()
 {

modules/juce_audio_processors/processors/juce_AudioProcessor.cpp

@@ -401,47 +401,28 @@ bool AudioProcessor::supportsDoublePrecisionProcessing() const
 }
 
 //==============================================================================
-const String AudioProcessor::getInputChannelName (int channelIndex) const
+static String getChannelName (const Array<AudioProcessor::AudioProcessorBus>& buses, int index)
 {
-    // this is deprecated! Assume the user wants the name of the channel index in the first input bus
-    if (busArrangement.outputBuses.size() > 0)
-        return AudioChannelSet::getChannelTypeName (busArrangement.inputBuses.getReference(0)
-                                                      .channels.getTypeOfChannel (channelIndex));
-
-    return String();
+    return buses.size() > 0 ? AudioChannelSet::getChannelTypeName (buses.getReference(0).channels.getTypeOfChannel (index))
+                            : String();
 }
 
-const String AudioProcessor::getOutputChannelName (int channelIndex) const
-{
-    // this is deprecated! Assume the user wants the name of the channel index in the first output bus
-    if (busArrangement.outputBuses.size() > 0)
-        return AudioChannelSet::getChannelTypeName (busArrangement.outputBuses.getReference(0)
-                                                      .channels.getTypeOfChannel (channelIndex));
-
-    return String();
-}
+const String AudioProcessor::getInputChannelName (int index) const   { return getChannelName (busArrangement.inputBuses, index); }
+const String AudioProcessor::getOutputChannelName (int index) const  { return getChannelName (busArrangement.outputBuses, index); }
 
-bool AudioProcessor::isInputChannelStereoPair (int index) const
+static bool isStereoPair (const Array<AudioProcessor::AudioProcessorBus>& buses, int index)
 {
-    const Array<AudioProcessorBus>& buses = busArrangement.inputBuses;
-
     return index < 2
             && buses.size() > 0
             && buses.getReference(0).channels == AudioChannelSet::stereo();
 }
 
-bool AudioProcessor::isOutputChannelStereoPair (int index) const
-{
-    const Array<AudioProcessorBus>& buses = busArrangement.outputBuses;
-
-    return index < 2
-            && buses.size() > 0
-            && buses.getReference(0).channels == AudioChannelSet::stereo();
-}
+bool AudioProcessor::isInputChannelStereoPair  (int index) const    { return isStereoPair (busArrangement.inputBuses, index); }
+bool AudioProcessor::isOutputChannelStereoPair (int index) const    { return isStereoPair (busArrangement.outputBuses, index); }
 
+//==============================================================================
 bool AudioProcessor::setPreferredBusArrangement (bool isInput, int busIndex, const AudioChannelSet& preferredSet)
 {
-
     const int oldNumInputs  = getTotalNumInputChannels();
     const int oldNumOutputs = getTotalNumOutputChannels();