*/
+#ifndef LIBDCP_PICTURE_ASSET_H
+#define LIBDCP_PICTURE_ASSET_H
+
/** @file src/picture_asset.h
- * @brief An asset made up of JPEG2000 files
+ * @brief An asset made up of JPEG2000 data
*/
#include <openjpeg.h>
#include "mxf_asset.h"
+#include "util.h"
+#include "metadata.h"
+
+namespace ASDCP {
+ namespace JP2K {
+ class PictureDescriptor;
+ }
+}
namespace libdcp
{
class MonoPictureFrame;
-class StereoPictureFrame;
+class StereoPictureFrame;
+class PictureAssetWriter;
-/** @brief An asset made up of JPEG2000 files */
+/** @brief An asset made up of JPEG2000 data */
class PictureAsset : public MXFAsset
{
public:
- PictureAsset (
- std::string directory, std::string mxf_name, boost::signals2::signal<void (float)>* progress, int fps, int entry_point, int length, bool encrypted
- );
-
- /** Write details of the asset to a CPL AssetList node.
- * @param p Parent node.
+ /** Construct a PictureAsset.
+ *
+ * @param directory Directory where MXF file is.
+ * @param mxf_name Name of MXF file.
*/
- void write_to_cpl (xmlpp::Element* p) const;
-
- bool equals (boost::shared_ptr<const Asset> other, EqualityOptions opt, std::list<std::string>& notes) const;
+ PictureAsset (boost::filesystem::path directory, boost::filesystem::path mxf_name);
+
+ /** Start a progressive write to this asset.
+ * The following parameters must be set up (if required) before calling this:
+ * Interop mode (set_interop)
+ * Edit rate (set_edit_rate)
+ * MXF Metadata (set_metadata)
+ *
+ * @param overwrite true to overwrite an existing MXF file; in this mode, writing can be resumed to a partially-written MXF; false if the
+ * MXF file does not exist.
+ */
+ virtual boost::shared_ptr<PictureAssetWriter> start_write (bool overwrite) = 0;
- int width () const {
- return _width;
+ virtual void read () = 0;
+ virtual void create (std::vector<boost::filesystem::path> const &) {}
+ virtual void create (boost::function<boost::filesystem::path (int)>) {}
+
+ Size size () const {
+ return _size;
}
- int height () const {
- return _height;
+ void set_size (Size s) {
+ _size = s;
}
+ void write_to_cpl (xmlpp::Element *) const;
+
protected:
bool frame_buffer_equals (
- int frame, EqualityOptions opt, std::list<std::string>& notes,
+ 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 width in pixels */
- int _width;
- /** picture height in pixels */
- int _height;
-private:
- std::string key_type () const;
-};
+ bool descriptor_equals (
+ ASDCP::JP2K::PictureDescriptor const & a, ASDCP::JP2K::PictureDescriptor const & b, boost::function<void (NoteType, std::string)>
+ ) const;
-/** A 2D (monoscopic) picture asset */
-class MonoPictureAsset : public PictureAsset
-{
-public:
- /** Construct a PictureAsset, generating the MXF from the JPEG2000 files.
- * This may take some time; progress is indicated by emission of the Progress signal.
- * @param files Pathnames of JPEG2000 files, in frame order.
- * @param directory Directory in which to create MXF file.
- * @param mxf_name Name of MXF file to create.
- * @param progress Signal to inform of progress.
- * @param fps Frames per second.
- * @param length Length in frames.
- * @param width Width of images in pixels.
- * @param height Height of images in pixels.
- * @param encrypted true if asset should be encrypted.
- */
- MonoPictureAsset (
- std::vector<std::string> const & files,
- std::string directory,
- std::string mxf_name,
- boost::signals2::signal<void (float)>* progress,
- int fps,
- int length,
- int width,
- int height,
- bool encrypted
- );
-
- /** Construct a PictureAsset, generating the MXF from the JPEG2000 files.
- * This may take some time; progress is indicated by emission of the Progress signal.
- * @param get_path Functor which returns a JPEG2000 file path for a given frame (frames counted from 0).
- * @param directory Directory in which to create MXF file.
- * @param mxf_name Name of MXF file to create.
- * @param progress Signal to inform of progress.
- * @param fps Frames per second.
- * @param length Length in frames.
- * @param width Width of images in pixels.
- * @param height Height of images in pixels.
- * @param encrypted true if asset should be encrypted.
- */
- MonoPictureAsset (
- boost::function<std::string (int)> get_path,
- std::string directory,
- std::string mxf_name,
- boost::signals2::signal<void (float)>* progress,
- int fps,
- int length,
- int width,
- int height,
- bool encrypted
- );
-
- MonoPictureAsset (std::string directory, std::string mxf_name, int fps, int entry_point, int length);
-
- boost::shared_ptr<const MonoPictureFrame> get_frame (int n) const;
- bool equals (boost::shared_ptr<const Asset> other, EqualityOptions opt, std::list<std::string>& notes) const;
+ /** picture size in pixels */
+ Size _size;
private:
- std::string path_from_list (int f, std::vector<std::string> const & files) const;
- void construct (boost::function<std::string (int)>);
-};
-
-/** A 3D (stereoscopic) picture asset */
-class StereoPictureAsset : public PictureAsset
-{
-public:
- StereoPictureAsset (std::string directory, std::string mxf_name, int fps, int entry_point, int length);
-
- boost::shared_ptr<const StereoPictureFrame> get_frame (int n) const;
- bool equals (boost::shared_ptr<const Asset> other, EqualityOptions opt, std::list<std::string>& notes) const;
+ std::string key_type () const;
+ virtual int edit_rate_factor () const = 0;
};
}
+
+#endif