备份CatanBuilding瘦身独立工程

LocalPackages/rtm-sdk-unity-2.7.20/Runtime/Plugins/rtm/Unity/AudioConvert.Unity.cs

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+#if UNITY_2017_1_OR_NEWER
+
+using System;
+using System.Runtime.InteropServices;
+
+namespace com.fpnn.rtm
+{
+    internal static class AudioConvert
+    {
+#if (UNITY_ANDROID || UNITY_EDITOR_WIN || UNITY_STANDALONE_WIN || UNITY_EDITOR_OSX || UNITY_STANDALONE_OSX)
+            [DllImport("audio-convert")]
+            public static extern IntPtr convert_wav_to_amrwb(IntPtr wavSrc, int wavSrcSize, ref int status, ref int amrSize);
+
+            [DllImport("audio-convert")]
+            public static extern IntPtr convert_amrwb_to_wav(IntPtr amrSrc, int amrSrcSize, ref int status, ref int wavSize);
+            
+            [DllImport("audio-convert")]
+            public static extern void free_memory(IntPtr ptr);
+
+
+#elif UNITY_IOS
+
+            [DllImport("__Internal")]
+            public static extern IntPtr convert_wav_to_amrwb(IntPtr wavSrc, int wavSrcSize, ref int status, ref int amrSize);
+
+            [DllImport("__Internal")]
+            public static extern IntPtr convert_amrwb_to_wav(IntPtr amrSrc, int amrSrcSize, ref int status, ref int wavSize);
+
+            [DllImport("__Internal")]
+            public static extern void free_memory(IntPtr ptr);
+
+#endif
+
+        public static byte[] ConvertToAmrwb(byte[] wavBuffer)
+        {
+            int status = 0;
+            int amrSize = 0;
+            
+            IntPtr wavSrcPtr = Marshal.AllocHGlobal(wavBuffer.Length);
+            Marshal.Copy(wavBuffer, 0, wavSrcPtr, wavBuffer.Length);
+
+            IntPtr amrPtr = AudioConvert.convert_wav_to_amrwb(wavSrcPtr, wavBuffer.Length, ref status, ref amrSize);
+
+            Marshal.FreeHGlobal(wavSrcPtr);
+
+            if (amrPtr != null && status == 0) {
+                byte[] amrBuffer = new byte[amrSize];
+                Marshal.Copy(amrPtr, amrBuffer, 0, amrSize);
+                AudioConvert.free_memory(amrPtr);
+                return amrBuffer;
+            }
+
+            if (amrPtr != null)
+                AudioConvert.free_memory(amrPtr);
+
+            return null;
+        }
+
+        public static byte[] ConvertToWav(byte[] amrBuffer)
+        {
+            int status = 0;
+            int wavSize = 0;
+            
+            IntPtr amrSrcPtr = Marshal.AllocHGlobal(amrBuffer.Length);
+            Marshal.Copy(amrBuffer, 0, amrSrcPtr, amrBuffer.Length);
+
+            IntPtr wavPtr = AudioConvert.convert_amrwb_to_wav(amrSrcPtr, amrBuffer.Length, ref status, ref wavSize);
+
+            Marshal.FreeHGlobal(amrSrcPtr);
+
+            if (wavPtr != null && status == 0) {
+                byte[] wavBuffer = new byte[wavSize];
+                Marshal.Copy(wavPtr, wavBuffer, 0, wavSize);
+                AudioConvert.free_memory(wavPtr);
+                return wavBuffer;
+            }
+
+            if (wavPtr != null)
+                AudioConvert.free_memory(wavPtr);
+
+            return null;
+        }
+    }
+}
+
+#endif