1 files changed, 5 insertions, 1 deletions
diff --git a/src/sound_frame.h b/src/sound_frame.h
index 4fdc39e5..742864a8 100644
--- a/src/sound_frame.h
+++ b/src/sound_frame.h
@@ -32,6 +32,7 @@
 namespace ASDCP {
 	namespace PCM {
 		class FrameBuffer;
+		class MXFReader;
 	}
 	class AESDecContext;
 }
@@ -44,13 +45,16 @@ namespace dcp {
 class SoundFrame : public boost::noncopyable
 {
 public:
-	SoundFrame (boost::filesystem::path path, int n, ASDCP::AESDecContext *);
 	~SoundFrame ();
 
 	uint8_t const * data () const;
 	int size () const;
 
 private:
+	friend class SoundAssetReader;
+
+	SoundFrame (ASDCP::PCM::MXFReader* reader, int n, ASDCP::AESDecContext *);
+
 	/** a buffer to hold the frame */
 	ASDCP::PCM::FrameBuffer* _buffer;
 };