*/
+#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 "asset.h"
+#include "mxf_asset.h"
+#include "util.h"
+#include "metadata.h"
namespace libdcp
{
-class PictureFrame;
+class MonoPictureFrame;
+class StereoPictureFrame;
+class PictureAssetWriter;
-/** @brief An asset made up of JPEG2000 files */
-class PictureAsset : public Asset
+/** @brief An asset made up of JPEG2000 data */
+class PictureAsset : public MXFAsset
{
public:
- /** Construct a PictureAsset, generating the MXF from the JPEG2000 files.
+ /** 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 Total number of 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
+ );
+
+ /** Start a progressive write to this asset.
+ * @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.
+ * @param metadata MXF metadata to use.
+ */
+ virtual boost::shared_ptr<PictureAssetWriter> start_write (bool overwrite, bool interop, MXFMetadata const & metadata = MXFMetadata ()) = 0;
+
+ 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::Element *, bool) 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;
+ virtual int edit_rate_factor () const = 0;
+};
+
+/** A 2D (monoscopic) picture asset */
+class MonoPictureAsset : public PictureAsset
+{
+public:
+ /** Construct a MonoPictureAsset, 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 fps Video frames per second.
+ * @param intrinsic_duration Total number of frames in the asset.
+ * @param size Size of images in pixels.
+ * @param encrypted true if asset should be encrypted.
*/
- PictureAsset (
+ MonoPictureAsset (
std::vector<std::string> const & files,
std::string directory,
std::string mxf_name,
- sigc::signal1<void, float>* progress,
+ boost::signals2::signal<void (float)>* progress,
int fps,
- int length,
- int width,
- int height
+ int intrinsic_duration,
+ bool encrypted,
+ Size size,
+ bool interop,
+ MXFMetadata const & metadata = MXFMetadata ()
);
- /** Construct a PictureAsset, generating the MXF from the JPEG2000 files.
+ /** Construct a MonoPictureAsset, 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 fps Video frames per second.
+ * @param intrinsic_duration Total number of frames in the asset.
+ * @param size Size of images in pixels.
+ * @param encrypted true if asset should be encrypted.
*/
- PictureAsset (
- sigc::slot<std::string, int> get_path,
+ MonoPictureAsset (
+ boost::function<std::string (int)> get_path,
std::string directory,
std::string mxf_name,
- sigc::signal1<void, float>* progress,
+ boost::signals2::signal<void (float)>* progress,
int fps,
- int length,
- int width,
- int height
+ int intrinsic_duration,
+ bool encrypted,
+ Size size,
+ bool interop,
+ MXFMetadata const & metadata = MXFMetadata ()
);
- PictureAsset (std::string directory, std::string mxf_name, int fps, int length, int width, int height);
-
- /** Write details of this asset to a CPL stream.
- * @param s Stream.
+ /** Construct a MonoPictureAsset, reading the MXF from disk.
+ * @param directory Directory that the MXF is in.
+ * @param mxf_name The filename of the MXF within `directory'.
*/
- void write_to_cpl (std::ostream& s) const;
+ MonoPictureAsset (std::string directory, std::string mxf_name);
- std::list<std::string> equals (boost::shared_ptr<const Asset> other, EqualityOptions opt) const;
+ /** Construct a MonoPictureAsset for progressive writing using
+ * start_write() and a MonoPictureAssetWriter.
+ *
+ * @param directory Directory to put the MXF in.
+ * @param mxf_name Filename of the MXF within this directory.
+ * @param fps Video frames per second.
+ * @param size Size in pixels that the picture frames will be.
+ */
+ MonoPictureAsset (std::string directory, std::string mxf_name, int fps, Size size);
+
+ /** Start a progressive write to a MonoPictureAsset */
+ boost::shared_ptr<PictureAssetWriter> start_write (bool, bool, MXFMetadata const & metadata = MXFMetadata ());
+
+ boost::shared_ptr<const MonoPictureFrame> get_frame (int n) const;
+ bool equals (boost::shared_ptr<const Asset> other, EqualityOptions opt, boost::function<void (NoteType, std::string)> note) const;
- boost::shared_ptr<const PictureFrame> get_frame (int n) const;
-
private:
std::string path_from_list (int f, std::vector<std::string> const & files) const;
- void construct (sigc::slot<std::string, int>);
- opj_image_t* decompress_j2k (uint8_t* data, int64_t size) const;
-
- /** picture width in pixels */
- int _width;
- /** picture height in pixels */
- int _height;
+ void construct (boost::function<std::string (int)>, bool, MXFMetadata const &);
+ std::string cpl_node_name () const;
+ int edit_rate_factor () const;
};
+/** A 3D (stereoscopic) picture asset */
+class StereoPictureAsset : public PictureAsset
+{
+public:
+ StereoPictureAsset (std::string directory, std::string mxf_name, int fps, int intrinsic_duration);
+
+ /** Construct a StereoPictureAsset for progressive writing using
+ * start_write() and a StereoPictureAssetWriter.
+ *
+ * @param directory Directory to put the MXF in.
+ * @param mxf_name Filename of the MXF within this directory.
+ * @param fps Video frames per second.
+ * @param size Size in pixels that the picture frames will be.
+ */
+ StereoPictureAsset (std::string directory, std::string mxf_name, int fps, Size size);
+
+ /** Start a progressive write to a StereoPictureAsset */
+ boost::shared_ptr<PictureAssetWriter> start_write (bool, bool, MXFMetadata const & metadata = MXFMetadata ());
+
+ boost::shared_ptr<const StereoPictureFrame> get_frame (int n) const;
+ bool equals (boost::shared_ptr<const Asset> other, EqualityOptions opt, boost::function<void (NoteType, std::string)> note) const;
+
+private:
+ std::string cpl_node_name () const;
+ std::pair<std::string, std::string> cpl_node_attribute (bool) const;
+ int edit_rate_factor () const;
+};
+
+
}
+
+#endif