[MediaTool] Fix buffer bug (#3242)

diff --git a/src/Tizen.Multimedia/MediaTool/MediaPacket.cs b/src/Tizen.Multimedia/MediaTool/MediaPacket.cs
index 0efe75b..27fc69b 100644 (file)
--- a/src/Tizen.Multimedia/MediaTool/MediaPacket.cs
+++ b/src/Tizen.Multimedia/MediaTool/MediaPacket.cs
@@ -69,6 +69,8 @@ namespace Tizen.Multimedia
                 {
                     _format = MediaFormat.FromHandle(formatHandle);
                 }
+
+                _buffer = new Lazy<IMediaBuffer>(GetBuffer);
             }
             finally
             {