+ /** Construct a PictureAsset.
+ * This class will not write anything to disk in this constructor, but subclasses may.
+ *
+ * @param directory Directory where MXF file is.
+ * @param mxf_name Name of MXF file.
+ */
+ PictureAsset (std::string directory, std::string mxf_name);
+
+ /** Construct a PictureAsset.
+ * This class will not write anything to disk in this constructor, but subclasses may.
+ *
+ * @param directory Directory where MXF file is.
+ * @param mxf_name Name of MXF file.
+ * @param progress Signal to use to inform of progres, or 0.
+ * @param fps Video Frames per second.
+ * @param intrinsic_duration Duration of all the frames in the asset.
+ * @param size Size of video frame images in pixels.
+ */
+ PictureAsset (std::string directory, std::string mxf_name, boost::signals2::signal<void (float)>* progress, int fps, int intrinsic_duration, bool encrypted, Size);
+
+ bool equals (boost::shared_ptr<const Asset> other, EqualityOptions opt, boost::function<void (NoteType, std::string)> note) const;
+
+ Size size () const {
+ return _size;
+ }
+
+ void write_to_cpl (xmlpp::Node *) const;
+
+protected:
+
+ bool frame_buffer_equals (
+ int frame, EqualityOptions opt, boost::function<void (NoteType, std::string)> note,
+ uint8_t const * data_A, unsigned int size_A, uint8_t const * data_B, unsigned int size_B
+ ) const;
+
+ /** picture size in pixels */
+ Size _size;
+
+private:
+ std::string key_type () const;
+ std::string cpl_node_name () const;
+};
+
+class MonoPictureAsset;
+
+struct FrameInfo
+{
+ FrameInfo (uint64_t o, uint64_t s, std::string h)
+ : offset (o)
+ , size (s)
+ , hash (h)
+ {}
+
+ FrameInfo (std::istream& s);
+
+ void write (std::ostream& s);
+
+ uint64_t offset;
+ uint64_t size;
+ std::string hash;
+};
+
+/** A helper class for writing to MonoPictureAssets progressively (i.e. writing frame-by-frame,
+ * rather than giving libdcp all the frames in one go).
+ *
+ * Objects of this class can only be created with MonoPictureAsset::start_write().
+ *
+ * Frames can be written to the MonoPictureAsset by calling write() with a JPEG2000 image
+ * (a verbatim .j2 file). finalize() must be called after the last frame has been written.
+ * The action of finalize() can't be done in MonoPictureAssetWriter's destructor as it may
+ * throw an exception.
+ */
+class MonoPictureAssetWriter
+{
+public:
+ FrameInfo write (uint8_t* data, int size);
+ void fake_write (int size);
+ void finalize ();
+
+private:
+ friend class MonoPictureAsset;
+
+ MonoPictureAssetWriter (MonoPictureAsset *, bool, MXFMetadata const &);
+ void start (uint8_t *, int);
+
+ /* no copy construction */
+ MonoPictureAssetWriter (MonoPictureAssetWriter const &);
+ MonoPictureAssetWriter& operator= (MonoPictureAssetWriter const &);
+
+ /* do this with an opaque pointer so we don't have to include
+ ASDCP headers
+ */
+
+ struct ASDCPState;
+ boost::shared_ptr<ASDCPState> _state;
+
+ MonoPictureAsset* _asset;
+ /** Number of picture frames written to the asset so far */
+ int _frames_written;
+ bool _started;
+ /** true if finalize() has been called */
+ bool _finalized;
+ bool _overwrite;
+ MXFMetadata _metadata;
+};
+
+/** A 2D (monoscopic) picture asset */
+class MonoPictureAsset : public PictureAsset
+{
+public:
+ /** Construct a MonoPictureAsset, generating the MXF from the JPEG2000 files.