From 4678bf06d71c8a18c489912dabf8aca312ab8b6b Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Tue, 31 Jul 2012 00:32:58 +0100
Subject: Barely-functional dcpdiff.

---
 src/dcp.cc  | 27 +++++++++++++++++++++++++++
 src/dcp.h   |  2 ++
 src/types.h |  4 ++++
 3 files changed, 33 insertions(+)

(limited to 'src')

diff --git a/src/dcp.cc b/src/dcp.cc
index 8f7a73bc..dc895e11 100644
--- a/src/dcp.cc
+++ b/src/dcp.cc
@@ -304,3 +304,30 @@ DCP::DCP (string directory)
 	}
 }
 
+list<string>
+DCP::equals (DCP const & other, EqualityType type) const
+{
+	list<string> notes;
+	
+	switch (type) {
+	case LIBDCP_METADATA:
+		if (_name != other._name) {
+			notes.push_back ("names differ");
+		}
+		if (_content_kind != other._content_kind) {
+			notes.push_back ("content kinds differ");
+		}
+		if (_fps != other._fps) {
+			notes.push_back ("frames per second differ");
+		}
+		if (_length != other._length) {
+			notes.push_back ("lengths differ");
+		}
+		if (_assets.size() != other._assets.size()) {
+			notes.push_back ("asset counts differ");
+		}
+		break;
+	}
+
+	return notes;
+}
diff --git a/src/dcp.h b/src/dcp.h
index 900a5665..6ab57bcb 100644
--- a/src/dcp.h
+++ b/src/dcp.h
@@ -106,6 +106,8 @@ public:
 		return _length;
 	}
 
+	std::list<std::string> equals (DCP const & other, EqualityType type) const;
+
 	/** Emitted with a parameter between 0 and 1 to indicate progress
 	 *  for long jobs.
 	 */
diff --git a/src/types.h b/src/types.h
index b8f7805a..5cd76ff4 100644
--- a/src/types.h
+++ b/src/types.h
@@ -62,6 +62,10 @@ public:
 	int denominator;
 };
 
+enum EqualityType {
+	LIBDCP_METADATA
+};
+
 }
 
 #endif
-- 
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