1st draft as-02 aux data

1 files changed, 81 insertions, 0 deletions

diff --git a/src/AS_02.h b/src/AS_02.h
index 874f686..69f159b 100644
--- a/src/AS_02.h
+++ b/src/AS_02.h
@@ -489,6 +489,87 @@ namespace AS_02
     } // namespace TimedText
 
 
+  namespace AuxData
+  { 
+    //
+    class MXFWriter
+    {
+      class h__Writer;
+      ASDCP::mem_ptr<h__Writer> m_Writer;
+      ASDCP_NO_COPY_CONSTRUCT(MXFWriter);
+      
+    public:
+      MXFWriter();
+      virtual ~MXFWriter();
+
+      // Warning: direct manipulation of MXF structures can interfere
+      // with the normal operation of the wrapper.  Caveat emptor!
+      virtual ASDCP::MXF::OP1aHeader& OP1aHeader();
+      virtual ASDCP::MXF::RIP& RIP();
+
+      // Open the file for writing. The file must not exist. Returns error if
+      // the operation cannot be completed or if nonsensical data is discovered
+      // in the essence descriptor.
+      Result_t OpenWrite(const std::string& filename, const ASDCP::WriterInfo&,
+			 ASDCP::MXF::FileDescriptor* essence_descriptor,
+			 ASDCP::MXF::InterchangeObject_list_t& essence_sub_descriptor_list,
+			 const ASDCP::Rational& edit_rate, const ui32_t& header_size = 16384,
+			 const IndexStrategy_t& strategy = IS_FOLLOW, const ui32_t& partition_space = 10);
+
+      // Writes a frame of essence to the MXF file. If the optional AESEncContext
+      // argument is present, the essence is encrypted prior to writing.
+      // Fails if the file is not open, is finalized, or an operating system
+      // error occurs.
+      Result_t WriteFrame(const ASDCP::FrameBuffer&, ASDCP::AESEncContext* = 0, ASDCP::HMACContext* = 0);
+
+      // Closes the MXF file, writing the index and revised header.
+      Result_t Finalize();
+    };
+
+    //
+    class MXFReader
+    {
+      class h__Reader;
+      ASDCP::mem_ptr<h__Reader> m_Reader;
+      ASDCP_NO_COPY_CONSTRUCT(MXFReader);
+
+    public:
+      MXFReader();
+      virtual ~MXFReader();
+
+      // Warning: direct manipulation of MXF structures can interfere
+      // with the normal operation of the wrapper.  Caveat emptor!
+      virtual ASDCP::MXF::OP1aHeader& OP1aHeader();
+      virtual AS_02::MXF::AS02IndexReader& AS02IndexReader();
+      virtual ASDCP::MXF::RIP& RIP();
+
+      // Open the file for reading. The file must exist. Returns error if the
+      // operation cannot be completed.
+      Result_t OpenRead(const std::string& filename) const;
+
+      // Returns RESULT_INIT if the file is not open.
+      Result_t Close() const;
+
+      // Fill a WriterInfo struct with the values from the file's header.
+      // Returns RESULT_INIT if the file is not open.
+      Result_t FillWriterInfo(ASDCP::WriterInfo&) const;
+
+      // Reads a frame of essence from the MXF file. If the optional AESEncContext
+      // argument is present, the essence is decrypted after reading. If the MXF
+      // file is encrypted and the AESDecContext argument is NULL, the frame buffer
+      // will contain the ciphertext frame data. If the HMACContext argument is
+      // not NULL, the HMAC will be calculated (if the file supports it).
+      // Returns RESULT_INIT if the file is not open, failure if the frame number is
+      // out of range, or if optional decrypt or HAMC operations fail.
+      Result_t ReadFrame(ui32_t frame_number, ASDCP::FrameBuffer&, ASDCP::AESDecContext* = 0, ASDCP::HMACContext* = 0) const;
+
+      // Print debugging information to stream
+      void     DumpHeaderMetadata(FILE* = 0) const;
+      void     DumpIndex(FILE* = 0) const;
+    };
+    
+  }
+
 } // namespace AS_02
 
 #endif // _AS_02_H_