Added method for freeing the waveform pointer.

Author: neogeek

RhythmGameUtilities/Scripts/Audio.cs

@@ -16,6 +16,15 @@ internal static class AudioInternal
 #endif
         public static extern IntPtr ConvertSamplesToWaveform(float[] samples, int size, int width, int height);
 
+#if WINDOWS_BUILD || UNITY_EDITOR_WIN || UNITY_STANDALONE_WIN
+        [DllImport("libRhythmGameUtilities.dll", CallingConvention = CallingConvention.Cdecl)]
+#elif MACOS_BUILD || UNITY_EDITOR_OSX || UNITY_STANDALONE_OSX
+        [DllImport("libRhythmGameUtilities.dylib", CallingConvention = CallingConvention.Cdecl)]
+#elif LINUX_BUILD || UNITY_EDITOR_LINUX || UNITY_STANDALONE_LINUX
+        [DllImport("libRhythmGameUtilities.so", CallingConvention = CallingConvention.Cdecl)]
+#endif
+        public static extern void FreeWaveform(IntPtr waveform, int width);
+
     }
 
     public static class Audio
@@ -36,6 +45,8 @@ public static int[][] ConvertSamplesToWaveform(float[] samples, int width, int h
                 Marshal.Copy(innerPtr, waveform[x], 0, height);
             }
 
+            AudioInternal.FreeWaveform(ptr, width);
+
             return waveform;
         }
 

UnityPackage/Scripts/Audio.cs

@@ -16,6 +16,15 @@ internal static class AudioInternal
 #endif
         public static extern IntPtr ConvertSamplesToWaveform(float[] samples, int size, int width, int height);
 
+#if WINDOWS_BUILD || UNITY_EDITOR_WIN || UNITY_STANDALONE_WIN
+        [DllImport("libRhythmGameUtilities.dll", CallingConvention = CallingConvention.Cdecl)]
+#elif MACOS_BUILD || UNITY_EDITOR_OSX || UNITY_STANDALONE_OSX
+        [DllImport("libRhythmGameUtilities.dylib", CallingConvention = CallingConvention.Cdecl)]
+#elif LINUX_BUILD || UNITY_EDITOR_LINUX || UNITY_STANDALONE_LINUX
+        [DllImport("libRhythmGameUtilities.so", CallingConvention = CallingConvention.Cdecl)]
+#endif
+        public static extern void FreeWaveform(IntPtr waveform, int width);
+
     }
 
     public static class Audio
@@ -36,6 +45,8 @@ public static int[][] ConvertSamplesToWaveform(float[] samples, int width, int h
                 Marshal.Copy(innerPtr, waveform[x], 0, height);
             }
 
+            AudioInternal.FreeWaveform(ptr, width);
+
             return waveform;
         }
 

includes/RhythmGameUtilities/Audio.hpp

@@ -56,6 +56,18 @@ extern "C"
 
         return waveform;
     }
+
+    PACKAGE_API void FreeWaveform(int **waveform, int width)
+    {
+        if (waveform != nullptr)
+        {
+            for (int x = 0; x < width; x++)
+            {
+                delete[] waveform[x];
+            }
+            delete[] waveform;
+        }
+    }
 }
 
 } // namespace RhythmGameUtilities