Fill in various AssetInstance bits.

1 files changed, 105 insertions, 0 deletions

diff --git a/src/asset_instance.cc b/src/asset_instance.cc
index 6107cfda..f8cf8707 100644
--- a/src/asset_instance.cc
+++ b/src/asset_instance.cc
@@ -17,14 +17,22 @@
 
 */
 
+#include <libxml++/libxml++.h>
 #include <libcxml/cxml.h>
 #include "asset_instance.h"
 #include "exceptions.h"
 
 using std::bad_cast;
+using std::make_pair;
+using std::pair;
+using std::string;
 using boost::shared_ptr;
+using boost::lexical_cast;
+using boost::dynamic_pointer_cast;
 using namespace libdcp;
 
+#define EQUALS_CHECK(param, what) if (param != other->param) { note (ERROR, what " differ"); return false; }
+
 AssetInstance::AssetInstance (shared_ptr<const cxml::Node> node)
 {
 	id = node->string_child ("Id");
@@ -41,6 +49,43 @@ AssetInstance::AssetInstance (shared_ptr<const cxml::Node> node)
 	node->done ();
 }
 
+void
+AssetInstance::write_to_cpl (xmlpp::Node* node, bool interop) const
+{
+	pair<string, string> const attr = cpl_node_attribute (interop);
+	xmlpp::Element* a = node->add_child (cpl_node_name ());
+	if (!attr.first.empty ()) {
+		a->set_attribute (attr.first, attr.second);
+	}
+	a->add_child ("Id")->add_child_text ("urn:uuid:" + id);
+	a->add_child ("AnnotationText")->add_child_text (annotation_text);
+	a->add_child ("EditRate")->add_child_text (lexical_cast<string> (edit_rate.numerator) + " 1");
+	a->add_child ("IntrinsicDuration")->add_child_text (lexical_cast<string> (intrinsic_duration));
+	a->add_child ("EntryPoint")->add_child_text (lexical_cast<string> (entry_point));
+	a->add_child ("Duration")->add_child_text (lexical_cast<string> (duration));
+	if (!key_id.empty ()) {
+		a->add_child("KeyId")->add_child_text ("urn:uuid:" + key_id);
+	}
+}
+
+
+bool
+AssetInstance::equals (shared_ptr<const AssetInstance> other, EqualityOptions, boost::function<void (NoteType, string)> note) const
+{
+	EQUALS_CHECK (cpl_node_name(), "CPL asset types");
+	
+	EQUALS_CHECK (id, "CPL asset ids");
+	EQUALS_CHECK (annotation_text, "CPL asset annotation texts");
+	EQUALS_CHECK (edit_rate, "CPL asset edit rates");
+	EQUALS_CHECK (intrinsic_duration, "CPL asset intrinsic durations");
+	EQUALS_CHECK (entry_point, "CPL asset entry points");
+	EQUALS_CHECK (duration, "CPL asset durations");
+	EQUALS_CHECK (key_id, "CPL asset key ids");
+
+	return true;
+}
+
+
 Picture::Picture (shared_ptr<const cxml::Node> node)
 	: AssetInstance (node)
 {
@@ -59,3 +104,63 @@ Picture::Picture (shared_ptr<const cxml::Node> node)
 
 	}
 }
+
+void
+Picture::write_to_cpl (xmlpp::Node* node, bool interop) const
+{
+	AssetInstance::write_to_cpl (node, interop);
+	
+	xmlpp::Node::NodeList c = node->get_children ();
+	xmlpp::Node::NodeList::iterator i = c.begin();
+	while (i != c.end() && (*i)->get_name() != cpl_node_name ()) {
+		++i;
+	}
+
+	assert (i != c.end ());
+
+	(*i)->add_child ("FrameRate")->add_child_text (lexical_cast<string> (frame_rate.numerator + " " + frame_rate.denominator));
+	if (interop) {
+		(*i)->add_child ("ScreenAspectRatio")->add_child_text (
+			lexical_cast<string> (float (screen_aspect_ratio.numerator) / screen_aspect_ratio.denominator)
+			);
+	} else {
+		(*i)->add_child ("ScreenAspectRatio")->add_child_text (
+			lexical_cast<string> (screen_aspect_ratio.numerator) + " " +
+			lexical_cast<string> (screen_aspect_ratio.denominator)
+			);
+	}
+}
+
+bool
+Picture::equals (shared_ptr<const AssetInstance> other, EqualityOptions, boost::function<void (NoteType, string)> note) const
+{
+	shared_ptr<const Picture> p = dynamic_pointer_cast<const Picture> (other);
+	if (!p) {
+		note (ERROR, "CPL assets differ in type");
+		return false;
+	}
+
+	if (frame_rate != p->frame_rate) {
+		note (ERROR, "CPL asset frame rates differ");
+		return false;
+	}
+
+	if (screen_aspect_ratio != p->screen_aspect_ratio) {
+		note (ERROR, "CPL screen aspect ratios differ");
+		return false;
+	}
+
+	return true;
+}
+
+pair<string, string>
+MainStereoscopicPicture::cpl_node_attribute (bool interop) const
+{
+	if (interop) {
+		return make_pair ("xmlns:msp-cpl", "http://www.digicine.com/schemas/437-Y/2007/Main-Stereo-Picture-CPL");
+	} else {
+		return make_pair ("xmlns:msp-cpl", "http://www.smpte-ra.org/schemas/429-10/2008/Main-Stereo-Picture-CPL");
+	}
+	
+	return make_pair ("", "");
+}