Import.

1 files changed, 92 insertions, 0 deletions

diff --git a/src/picture_asset.cc b/src/picture_asset.cc
new file mode 100644
index 00000000..4e3b0227
--- /dev/null
+++ b/src/picture_asset.cc
@@ -0,0 +1,92 @@
+/*
+    Copyright (C) 2012 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 <list>
+#include <stdexcept>
+#include <iostream>
+#include <boost/filesystem.hpp>
+#include <AS_DCP.h>
+#include <KM_fileio.h>
+#include "picture_asset.h"
+#include "util.h"
+
+using namespace std;
+using namespace boost;
+using namespace libdcp;
+
+PictureAsset::PictureAsset (list<string> const & files, string p, int fps, int len, int w, int h)
+	: Asset (p, fps, len)
+	, _width (w)
+	, _height (h)
+{
+	ASDCP::JP2K::CodestreamParser j2k_parser;
+	ASDCP::JP2K::FrameBuffer frame_buffer (4 * Kumu::Megabyte);
+	if (ASDCP_FAILURE (j2k_parser.OpenReadFrame (files.front().c_str(), frame_buffer))) {
+		throw runtime_error ("could not open J2K file for reading");
+	}
+	
+	ASDCP::JP2K::PictureDescriptor picture_desc;
+	j2k_parser.FillPictureDescriptor (picture_desc);
+	/* XXX: we round for DCP: not sure if this is right */
+	picture_desc.EditRate = ASDCP::Rational (_fps, 1);
+	
+	ASDCP::WriterInfo writer_info;
+	fill_writer_info (&writer_info);
+	
+	ASDCP::JP2K::MXFWriter mxf_writer;
+	if (ASDCP_FAILURE (mxf_writer.OpenWrite (_mxf_path.c_str(), writer_info, picture_desc))) {
+		throw runtime_error ("could not open MXF for writing");
+	}
+
+	int j = 0;
+	for (list<string>::const_iterator i = files.begin(); i != files.end(); ++i) {
+		if (ASDCP_FAILURE (j2k_parser.OpenReadFrame (i->c_str(), frame_buffer))) {
+			throw runtime_error ("could not open J2K file for reading");
+		}
+
+		/* XXX: passing 0 to WriteFrame ok? */
+		if (ASDCP_FAILURE (mxf_writer.WriteFrame (frame_buffer, 0, 0))) {
+			throw runtime_error ("error in writing video MXF");
+		}
+		
+		++j;
+		Progress (float (j) / files.size ());
+	}
+	
+	if (ASDCP_FAILURE (mxf_writer.Finalize())) {
+		throw runtime_error ("error in finalising video MXF");
+	}
+
+	_digest = make_digest (_mxf_path);
+}
+
+void
+PictureAsset::write_to_cpl (ostream& s) const
+{
+	s << "        <MainPicture>\n"
+	  << "          <Id>" << _uuid << "</Id>\n"
+	  << "          <AnnotationText>" << filesystem::path(_mxf_path).filename() << "</AnnotationText>\n"
+	  << "          <EditRate>" << _fps << "</EditRate>\n"
+	  << "          <IntrinsicDuration>" << _length << "</IntrinsicDuration>\n"
+	  << "          <EntryPoint>0</EntryPoint>\n"
+	  << "          <Duration>" << _length << "</Duration>\n"
+	  << "          <FrameRate>" << _fps << "</FrameRate>\n"
+	  << "          <ScreenAspectRatio>" << _width << " " << _height << "</ScreenAspectRatio>\n"
+	  << "        </MainPicture>\n";
+}