/*
- Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2021 Carl Hetherington <cth@carlh.net>
- This program is free software; you can redistribute it and/or modify
+ This file is part of libdcp.
+
+ libdcp is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
- This program is distributed in the hope that it will be useful,
+ libdcp is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
+ along with libdcp. If not, see <http://www.gnu.org/licenses/>.
+
+ In addition, as a special exception, the copyright holders give
+ permission to link the code of portions of this program with the
+ OpenSSL library under certain conditions as described in each
+ individual source file, and distribute linked combinations
+ including the two.
+
+ You must obey the GNU General Public License in all respects
+ for all of the code used other than OpenSSL. If you modify
+ file(s) with this exception, you may extend this exception to your
+ version of the file(s), but you are not obligated to do so. If you
+ do not wish to do so, delete this exception statement from your
+ version. If you delete this exception statement from all source
+ files in the program, then also delete it here.
*/
-#ifndef LIBDCP_PICTURE_ASSET_H
-#define LIBDCP_PICTURE_ASSET_H
/** @file src/picture_asset.h
- * @brief An asset made up of JPEG2000 data
+ * @brief PictureAsset class
*/
-#include <openjpeg.h>
-#include "mxf_asset.h"
+
+#ifndef LIBDCP_PICTURE_ASSET_H
+#define LIBDCP_PICTURE_ASSET_H
+
+
+#include "mxf.h"
#include "util.h"
#include "metadata.h"
+
namespace ASDCP {
namespace JP2K {
- class PictureDescriptor;
+ struct PictureDescriptor;
}
}
-namespace libdcp
-{
-class MonoPictureFrame;
+namespace dcp {
+
+
+class MonoPictureFrame;
class StereoPictureFrame;
class PictureAssetWriter;
-/** @brief An asset made up of JPEG2000 data */
-class PictureAsset : public MXFAsset
+
+/** @class PictureAsset
+ * @brief An asset made up of JPEG2000 data
+ */
+class PictureAsset : public Asset, public MXF
{
public:
- /** Construct a PictureAsset.
- *
- * @param directory Directory where MXF file is.
- * @param mxf_name Name of MXF file.
- */
- 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;
+ /** Load a PictureAsset from a file */
+ explicit PictureAsset (boost::filesystem::path file);
+
+ /** Create a new PictureAsset with a given edit rate and standard */
+ explicit PictureAsset (Fraction edit_rate, Standard standard);
+
+ virtual std::shared_ptr<PictureAssetWriter> start_write (
+ boost::filesystem::path file,
+ bool overwrite
+ ) = 0;
- 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;
}
_size = s;
}
- void write_to_cpl (xmlpp::Element *, bool) const;
+ Fraction frame_rate () const {
+ return _frame_rate;
+ }
+
+ void set_frame_rate (Fraction r) {
+ _frame_rate = r;
+ }
+
+ Fraction screen_aspect_ratio () const {
+ return _screen_aspect_ratio;
+ }
+
+ void set_screen_aspect_ratio (Fraction r) {
+ _screen_aspect_ratio = r;
+ }
+
+ Fraction edit_rate () const {
+ return _edit_rate;
+ }
+
+ int64_t intrinsic_duration () const {
+ return _intrinsic_duration;
+ }
+
+ static std::string static_pkl_type (Standard standard);
-protected:
+protected:
+ friend class MonoPictureAssetWriter;
+ friend class StereoPictureAssetWriter;
bool frame_buffer_equals (
- int frame, EqualityOptions opt, boost::function<void (NoteType, std::string)> note,
+ int frame, EqualityOptions opt, NoteHandler note,
uint8_t const * data_A, unsigned int size_A, uint8_t const * data_B, unsigned int size_B
) const;
bool descriptor_equals (
- ASDCP::JP2K::PictureDescriptor const & a, ASDCP::JP2K::PictureDescriptor const & b, boost::function<void (NoteType, std::string)>
+ ASDCP::JP2K::PictureDescriptor const & a,
+ ASDCP::JP2K::PictureDescriptor const & b,
+ NoteHandler note
) const;
+ void read_picture_descriptor (ASDCP::JP2K::PictureDescriptor const &);
+
+ Fraction _edit_rate;
+ /** The total length of this content in video frames. The amount of
+ * content presented may be less than this.
+ */
+ int64_t _intrinsic_duration = 0;
/** picture size in pixels */
Size _size;
+ Fraction _frame_rate;
+ Fraction _screen_aspect_ratio;
private:
- std::string key_type () const;
- virtual int edit_rate_factor () const = 0;
+ std::string pkl_type (Standard standard) const override;
};
-
+
}
+
#endif
projects / libdcp.git / blobdiff