Fix audio and midi file not loading saved file

Signed-off-by: falkTX <falktx@falktx.com>

source/includes/CarlaNativePrograms.hpp

@@ -105,6 +105,12 @@ protected:
     virtual void process2(const float* const* inBuffer, float** outBuffer, uint32_t frames,
                           const NativeMidiEvent* midiEvents, uint32_t midiEventCount) = 0;
 
+    void invalidateNextFilename() noexcept
+    {
+        const CarlaMutexLocker cml(fProgramChangeMutex);
+        fNextFilename = nullptr;
+    }
+
     // -------------------------------------------------------------------
     // Plugin midi-program calls
 

source/native-plugins/audio-file.cpp

@@ -147,6 +147,7 @@ protected:
         if (std::strcmp(key, "file") != 0)
             return;
 
+        invalidateNextFilename();
         loadFilename(value);
     }
 

source/native-plugins/midi-file.cpp

@@ -62,6 +62,7 @@ protected:
         if (std::strcmp(key, "file") != 0)
             return;
 
+        invalidateNextFilename();
         _loadMidiFile(value);
     }