MXF -> Asset in lots of places.

1 files changed, 138 insertions, 0 deletions

diff --git a/src/mono_picture_asset.cc b/src/mono_picture_asset.cc
new file mode 100644
index 00000000..19210ce8
--- /dev/null
+++ b/src/mono_picture_asset.cc
@@ -0,0 +1,138 @@
+/*
+    Copyright (C) 2012-2014 Carl Hetherington <cth@carlh.net>
+
+    This program 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,
+    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.
+
+*/
+
+#include "mono_picture_asset.h"
+#include "mono_picture_asset_writer.h"
+#include "AS_DCP.h"
+#include "KM_fileio.h"
+#include "exceptions.h"
+#include "dcp_assert.h"
+#include "mono_picture_frame.h"
+#include "compose.hpp"
+
+using std::string;
+using std::vector;
+using boost::shared_ptr;
+using boost::dynamic_pointer_cast;
+using namespace dcp;
+
+MonoPictureAsset::MonoPictureAsset (boost::filesystem::path file)
+	: PictureAsset (file)
+{
+	ASDCP::JP2K::MXFReader reader;
+	Kumu::Result_t r = reader.OpenRead (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 (DCPReadError ("could not read video MXF information"));
+	}
+
+	read_picture_descriptor (desc);
+	
+	ASDCP::WriterInfo info;
+	if (ASDCP_FAILURE (reader.FillWriterInfo (info))) {
+		boost::throw_exception (DCPReadError ("could not read video MXF information"));
+	}
+
+	_id = read_writer_info (info);
+}
+
+MonoPictureAsset::MonoPictureAsset (Fraction edit_rate)
+	: PictureAsset (edit_rate)
+{
+	
+}
+
+shared_ptr<const MonoPictureFrame>
+MonoPictureAsset::get_frame (int n) const
+{
+	return shared_ptr<const MonoPictureFrame> (new MonoPictureFrame (_file, n, _decryption_context));
+}
+
+bool
+MonoPictureAsset::equals (shared_ptr<const Asset> other, EqualityOptions opt, NoteHandler note) const
+{
+	if (!dynamic_pointer_cast<const MonoPictureAsset> (other)) {
+		return false;
+	}
+
+	ASDCP::JP2K::MXFReader reader_A;
+	Kumu::Result_t r = reader_A.OpenRead (_file.string().c_str());
+	if (ASDCP_FAILURE (r)) {
+		boost::throw_exception (MXFFileError ("could not open MXF file for reading", _file.string(), r));
+	}
+	
+	ASDCP::JP2K::MXFReader reader_B;
+	r = reader_B.OpenRead (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 (DCPReadError ("could not read video MXF information"));
+	}
+	ASDCP::JP2K::PictureDescriptor desc_B;
+	if (ASDCP_FAILURE (reader_B.FillPictureDescriptor (desc_B))) {
+		boost::throw_exception (DCPReadError ("could not read video MXF information"));
+	}
+	
+	if (!descriptor_equals (desc_A, desc_B, note)) {
+		return false;
+	}
+
+	shared_ptr<const MonoPictureAsset> other_picture = dynamic_pointer_cast<const MonoPictureAsset> (other);
+	DCP_ASSERT (other_picture);
+
+	for (int i = 0; i < _intrinsic_duration; ++i) {
+		if (i >= other_picture->intrinsic_duration()) {
+			return false;
+		}
+		
+		note (DCP_PROGRESS, String::compose ("Comparing video frame %1 of %2", i, _intrinsic_duration));
+		shared_ptr<const MonoPictureFrame> frame_A = get_frame (i);
+		shared_ptr<const MonoPictureFrame> frame_B = other_picture->get_frame (i);
+		
+		if (!frame_buffer_equals (
+			    i, opt, note,
+			    frame_A->j2k_data(), frame_A->j2k_size(),
+			    frame_B->j2k_data(), frame_B->j2k_size()
+			    )) {
+			return false;
+		}
+	}
+
+	return true;
+}
+
+shared_ptr<PictureAssetWriter>
+MonoPictureAsset::start_write (boost::filesystem::path file, Standard standard, bool overwrite)
+{
+	/* XXX: can't we use shared_ptr here? */
+	return shared_ptr<MonoPictureAssetWriter> (new MonoPictureAssetWriter (this, file, standard, overwrite));
+}
+
+string
+MonoPictureAsset::cpl_node_name () const
+{
+	return "MainPicture";
+}