Various development of IMF.

1 files changed, 44 insertions, 0 deletions

diff --git a/src/essence_descriptor.cc b/src/essence_descriptor.cc
new file mode 100644
index 00000000..49c40eb2
--- /dev/null
+++ b/src/essence_descriptor.cc
@@ -0,0 +1,44 @@
+/*
+    Copyright (C) 2016 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 "rgba_descriptor.h"
+#include "wave_pcm_descriptor.h"
+#include "exceptions.h"
+
+using boost::shared_ptr;
+using namespace dcp;
+
+EssenceDescriptor::EssenceDescriptor (cxml::ConstNodePtr node)
+	: Object (node->string_child ("Id"))
+{
+
+}
+
+shared_ptr<EssenceDescriptor>
+EssenceDescriptor::create (cxml::ConstNodePtr node)
+{
+	if (node->optional_node_child("RGBADescriptor")) {
+		return shared_ptr<EssenceDescriptor> (new RGBADescriptor (node));
+	} else if (node->optional_node_child("WAVEPCMDescriptor")) {
+		return shared_ptr<EssenceDescriptor> (new WAVEPCMDescriptor (node));
+	}
+
+	throw PackageReadError ("unrecognised essence descriptor");
+	return shared_ptr<EssenceDescriptor> ();
+}