+/*
+ Copyright (C) 2024 Carl Hetherington <cth@carlh.net>
+
+ This file is part of DCP-o-matic.
+
+ DCP-o-matic 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.
+
+ DCP-o-matic 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 DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+
+#include "frame_info.h"
+#include <string>
+
+
+using std::shared_ptr;
+using std::string;
+
+
+J2KFrameInfo::J2KFrameInfo(uint64_t offset_, uint64_t size_, string hash_)
+ : dcp::J2KFrameInfo(offset_, size_, hash_)
+{
+
+}
+
+
+J2KFrameInfo::J2KFrameInfo(dcp::J2KFrameInfo const& info)
+ : dcp::J2KFrameInfo(info)
+{
+
+}
+
+
+J2KFrameInfo::J2KFrameInfo(shared_ptr<InfoFileHandle> info_file, Frame frame, Eyes eyes)
+{
+ info_file->get().seek(position(frame, eyes), SEEK_SET);
+ info_file->get().checked_read(&offset, sizeof(offset));
+ info_file->get().checked_read(&size, sizeof(size));
+
+ char hash_buffer[33];
+ info_file->get().checked_read(hash_buffer, 32);
+ hash_buffer[32] = '\0';
+ hash = hash_buffer;
+}
+
+
+long
+J2KFrameInfo::position(Frame frame, Eyes eyes) const
+{
+ switch (eyes) {
+ case Eyes::BOTH:
+ return frame * _size_on_disk;
+ case Eyes::LEFT:
+ return frame * _size_on_disk * 2;
+ case Eyes::RIGHT:
+ return frame * _size_on_disk * 2 + _size_on_disk;
+ default:
+ DCPOMATIC_ASSERT(false);
+ }
+
+ DCPOMATIC_ASSERT(false);
+}
+
+
+/** @param frame reel-relative frame */
+void
+J2KFrameInfo::write(shared_ptr<InfoFileHandle> info_file, Frame frame, Eyes eyes) const
+{
+ info_file->get().seek(position(frame, eyes), SEEK_SET);
+ info_file->get().checked_write(&offset, sizeof(offset));
+ info_file->get().checked_write(&size, sizeof(size));
+ info_file->get().checked_write(hash.c_str(), hash.size());
+}
+