Added loop position indicators to CurrentPositionInfo (only enabled in VSTs)

modules/juce_audio_plugin_client/AU/juce_AU_Wrapper.mm

@@ -499,6 +499,9 @@ public:
         info.ppqPositionOfLastBarStart = 0;
         info.isPlaying = false;
         info.isRecording = false;
+        info.isLooping = false;
+        info.ppqLoopStart = 0;
+        info.ppqLoopEnd = 0;
 
         switch (lastSMPTETime.mType)
         {

modules/juce_audio_plugin_client/RTAS/juce_RTAS_Wrapper.cpp

@@ -722,6 +722,9 @@ protected:
         info.isRecording = false;
         info.ppqPosition = ticks / 960000.0;
         info.ppqPositionOfLastBarStart = 0; //xxx no idea how to get this correctly..
+        info.isLooping = false;
+        info.ppqLoopStart = 0;
+        info.ppqLoopEnd = 0;
 
         // xxx incorrect if there are tempo changes, but there's no
         // other way of getting this info..

modules/juce_audio_plugin_client/VST/juce_VST_Wrapper.cpp

@@ -655,7 +655,7 @@ public:
 
     bool getCurrentPosition (AudioPlayHead::CurrentPositionInfo& info)
     {
-        const VstTimeInfo* const ti = getTimeInfo (kVstPpqPosValid | kVstTempoValid | kVstBarsValid //| kVstCyclePosValid
+        const VstTimeInfo* const ti = getTimeInfo (kVstPpqPosValid | kVstTempoValid | kVstBarsValid | kVstCyclePosValid
                                                    | kVstTimeSigValid | kVstSmpteValid | kVstClockValid);
 
         if (ti == nullptr || ti->sampleRate <= 0)
@@ -665,12 +665,12 @@ public:
 
         if ((ti->flags & kVstTimeSigValid) != 0)
         {
-            info.timeSigNumerator = ti->timeSigNumerator;
+            info.timeSigNumerator   = ti->timeSigNumerator;
             info.timeSigDenominator = ti->timeSigDenominator;
         }
         else
         {
-            info.timeSigNumerator = 4;
+            info.timeSigNumerator   = 4;
             info.timeSigDenominator = 4;
         }
 
@@ -713,7 +713,19 @@ public:
         }
 
         info.isRecording = (ti->flags & kVstTransportRecording) != 0;
-        info.isPlaying   = (ti->flags & kVstTransportPlaying) != 0 || info.isRecording;
+        info.isPlaying   = (ti->flags & (kVstTransportRecording | kVstTransportPlaying)) != 0;
+        info.isLooping   = (ti->flags & kVstTransportCycleActive) != 0;
+
+        if ((ti->flags & kVstCyclePosValid) != 0)
+        {
+            info.ppqLoopStart = ti->cycleStartPos;
+            info.ppqLoopEnd   = ti->cycleEndPos;
+        }
+        else
+        {
+            info.ppqLoopStart = 0;
+            info.ppqLoopEnd = 0;
+        }
 
         return true;
     }

modules/juce_audio_processors/processors/juce_AudioPlayHead.h

@@ -106,6 +106,21 @@ public:
         */
         bool isRecording;
 
+        /** The current cycle start position in pulses-per-quarter-note.
+            Note that not all hosts or plugin formats may provide this value.
+            @see isLooping
+        */
+        double ppqLoopStart;
+
+        /** The current cycle end position in pulses-per-quarter-note.
+            Note that not all hosts or plugin formats may provide this value.
+            @see isLooping
+        */
+        double ppqLoopEnd;
+
+        /** True if the transport is currently looping. */
+        bool isLooping;
+
         //==============================================================================
         bool operator== (const CurrentPositionInfo& other) const noexcept;
         bool operator!= (const CurrentPositionInfo& other) const noexcept;