Rename files to mention J2K.

1 files changed, 183 insertions, 0 deletions

diff --git a/src/stereo_j2k_picture_asset.cc b/src/stereo_j2k_picture_asset.cc
new file mode 100644
index 00000000..687d8572
--- /dev/null
+++ b/src/stereo_j2k_picture_asset.cc
@@ -0,0 +1,183 @@
+/*
+    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/stereo_picture_asset.cc
+ *  @brief StereoPictureAsset class
+ */
+
+
+#include "dcp_assert.h"
+#include "equality_options.h"
+#include "exceptions.h"
+#include "filesystem.h"
+#include "stereo_picture_asset.h"
+#include "stereo_picture_asset_reader.h"
+#include "stereo_picture_asset_writer.h"
+#include "stereo_picture_frame.h"
+#include <asdcp/AS_DCP.h>
+
+
+using std::string;
+using std::pair;
+using std::make_pair;
+using std::shared_ptr;
+using std::dynamic_pointer_cast;
+using namespace dcp;
+
+
+StereoPictureAsset::StereoPictureAsset (boost::filesystem::path file)
+	: PictureAsset (file)
+{
+	Kumu::FileReaderFactory factory;
+	ASDCP::JP2K::MXFSReader reader(factory);
+	auto r = reader.OpenRead(dcp::filesystem::fix_long_path(file).string().c_str());
+	if (ASDCP_FAILURE(r)) {
+		boost::throw_exception (MXFFileError("could not open MXF file for reading", file.string(), r));
+	}
+
+	ASDCP::JP2K::PictureDescriptor desc;
+	if (ASDCP_FAILURE (reader.FillPictureDescriptor(desc))) {
+		boost::throw_exception (ReadError("could not read video MXF information"));
+	}
+
+	read_picture_descriptor (desc);
+
+	ASDCP::WriterInfo info;
+	if (ASDCP_FAILURE (reader.FillWriterInfo(info))) {
+		boost::throw_exception (ReadError("could not read video MXF information"));
+	}
+
+	_id = read_writer_info (info);
+}
+
+
+StereoPictureAsset::StereoPictureAsset (Fraction edit_rate, Standard standard)
+	: PictureAsset (edit_rate, standard)
+{
+
+}
+
+
+shared_ptr<PictureAssetWriter>
+StereoPictureAsset::start_write(boost::filesystem::path file, Behaviour behaviour)
+{
+	return shared_ptr<StereoPictureAssetWriter>(new StereoPictureAssetWriter(this, file, behaviour == Behaviour::OVERWRITE_EXISTING));
+}
+
+
+shared_ptr<StereoPictureAssetReader>
+StereoPictureAsset::start_read () const
+{
+	return shared_ptr<StereoPictureAssetReader> (new StereoPictureAssetReader(this, key(), standard()));
+}
+
+
+bool
+StereoPictureAsset::equals(shared_ptr<const Asset> other, EqualityOptions const& opt, NoteHandler note) const
+{
+	Kumu::FileReaderFactory factory;
+	ASDCP::JP2K::MXFSReader reader_A(factory);
+	DCP_ASSERT (file());
+	auto r = reader_A.OpenRead(dcp::filesystem::fix_long_path(*file()).string().c_str());
+	if (ASDCP_FAILURE (r)) {
+		boost::throw_exception (MXFFileError ("could not open MXF file for reading", file()->string(), r));
+	}
+
+	ASDCP::JP2K::MXFSReader reader_B(factory);
+	DCP_ASSERT (other->file());
+	r = reader_B.OpenRead(dcp::filesystem::fix_long_path(*other->file()).string().c_str());
+	if (ASDCP_FAILURE (r)) {
+		boost::throw_exception (MXFFileError ("could not open MXF file for reading", other->file()->string(), r));
+	}
+
+	ASDCP::JP2K::PictureDescriptor desc_A;
+	if (ASDCP_FAILURE (reader_A.FillPictureDescriptor (desc_A))) {
+		boost::throw_exception (ReadError ("could not read video MXF information"));
+	}
+	ASDCP::JP2K::PictureDescriptor desc_B;
+	if (ASDCP_FAILURE (reader_B.FillPictureDescriptor (desc_B))) {
+		boost::throw_exception (ReadError ("could not read video MXF information"));
+	}
+
+	if (!descriptor_equals (desc_A, desc_B, note)) {
+		return false;
+	}
+
+	auto other_picture = dynamic_pointer_cast<const StereoPictureAsset> (other);
+	DCP_ASSERT (other_picture);
+
+	auto reader = start_read ();
+	auto other_reader = other_picture->start_read ();
+
+	bool result = true;
+
+	for (int i = 0; i < _intrinsic_duration; ++i) {
+		shared_ptr<const StereoPictureFrame> frame_A;
+		shared_ptr<const StereoPictureFrame> frame_B;
+		try {
+			frame_A = reader->get_frame (i);
+			frame_B = other_reader->get_frame (i);
+		} catch (ReadError& e) {
+			/* If there was a problem reading the frame data we'll just assume
+			   the two frames are not equal.
+			*/
+			note (NoteType::ERROR, e.what ());
+			return false;
+		}
+
+		if (!frame_buffer_equals (
+			    i, opt, note,
+			    frame_A->left()->data(), frame_A->left()->size(),
+			    frame_B->left()->data(), frame_B->left()->size()
+			    )) {
+			result = false;
+			if (!opt.keep_going) {
+				return result;
+			}
+		}
+
+		if (!frame_buffer_equals (
+			    i, opt, note,
+			    frame_A->right()->data(), frame_A->right()->size(),
+			    frame_B->right()->data(), frame_B->right()->size()
+			    )) {
+			result = false;
+			if (!opt.keep_going) {
+				return result;
+			}
+		}
+	}
+
+	return result;
+}