/*
- 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.
*/
+
/** @file src/picture_asset.h
- * @brief An asset made up of JPEG2000 files
+ * @brief PictureAsset class
*/
-#include <openjpeg.h>
-#include "asset.h"
-namespace libdcp
-{
+#ifndef LIBDCP_PICTURE_ASSET_H
+#define LIBDCP_PICTURE_ASSET_H
+
+
+#include "mxf.h"
+#include "util.h"
+#include "metadata.h"
+
+
+namespace ASDCP {
+ namespace JP2K {
+ struct PictureDescriptor;
+ }
+}
-class PictureFrame;
-/** @brief An asset made up of JPEG2000 files */
-class PictureAsset : public Asset
+namespace dcp {
+
+
+class MonoPictureFrame;
+class StereoPictureFrame;
+class PictureAssetWriter;
+
+
+/** @class PictureAsset
+ * @brief An asset made up of JPEG2000 data
+ */
+class PictureAsset : public Asset, public MXF
{
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.
- */
- PictureAsset (
- std::vector<std::string> const & files,
- std::string directory,
- std::string mxf_name,
- sigc::signal1<void, float>* progress,
- int fps,
- int length,
- int width,
- int height
- );
-
- /** 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.
- */
- PictureAsset (
- sigc::slot<std::string, int> get_path,
- std::string directory,
- std::string mxf_name,
- sigc::signal1<void, float>* progress,
- int fps,
- int length,
- int width,
- int height
- );
-
- 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.
- */
- void write_to_cpl (std::ostream& s) const;
+ /** 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);
- std::list<std::string> equals (boost::shared_ptr<const Asset> other, EqualityOptions opt) const;
+ virtual std::shared_ptr<PictureAssetWriter> start_write (
+ boost::filesystem::path file,
+ bool overwrite
+ ) = 0;
+
+ Size size () const {
+ return _size;
+ }
+
+ void set_size (Size s) {
+ _size = s;
+ }
+
+ 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:
+ friend class MonoPictureAssetWriter;
+ friend class StereoPictureAssetWriter;
+
+ bool frame_buffer_equals (
+ 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,
+ 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;
- 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;
+ std::string pkl_type (Standard standard) const;
};
+
}
+
+
+#endif
projects / libdcp.git / blobdiff