Rename files to mention J2K.

1 files changed, 155 insertions, 0 deletions

diff --git a/src/j2k_picture_asset.h b/src/j2k_picture_asset.h
new file mode 100644
index 00000000..9ad1eb22
--- /dev/null
+++ b/src/j2k_picture_asset.h
@@ -0,0 +1,155 @@
+/*
+    Copyright (C) 2012-2021 Carl Hetherington <cth@carlh.net>
+
+    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.
+
+    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 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 PictureAsset class
+ */
+
+
+#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;
+	}
+}
+
+
+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:
+	/** Load a PictureAsset from a file */
+	explicit PictureAsset (boost::filesystem::path file);
+
+	/** Create a new PictureAsset with a given edit rate and standard */
+	PictureAsset(Fraction edit_rate, Standard standard);
+
+	enum class Behaviour {
+		OVERWRITE_EXISTING,
+		MAKE_NEW
+	};
+
+	virtual std::shared_ptr<PictureAssetWriter> start_write (
+		boost::filesystem::path file,
+		Behaviour behaviour
+		) = 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 const& 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;
+
+private:
+	std::string pkl_type (Standard standard) const override;
+};
+
+
+}
+
+
+#endif