From 6e4dfa6cba7cb878bc3931140189cbf35dd4718b Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Tue, 16 Dec 2025 17:45:52 +0100
Subject: Add can_be_read() to Reel.

---
 src/reel.cc | 9 +++++++++
 src/reel.h  | 6 ++++++
 2 files changed, 15 insertions(+)

(limited to 'src')

diff --git a/src/reel.cc b/src/reel.cc
index 469c4416..1e31f1e1 100644
--- a/src/reel.cc
+++ b/src/reel.cc
@@ -515,3 +515,12 @@ Reel::duration () const
 
 	return d;
 }
+
+
+bool
+Reel::can_be_read() const
+{
+	auto assets = file_assets();
+	return std::all_of(assets.begin(), assets.end(), [](shared_ptr<const ReelFileAsset> asset) { return asset->can_be_read(); });
+}
+
diff --git a/src/reel.h b/src/reel.h
index ecea0965..31e11abc 100644
--- a/src/reel.h
+++ b/src/reel.h
@@ -43,6 +43,7 @@
 
 #include "decrypted_kdm.h"
 #include "key.h"
+#include "picture_encoding.h"
 #include "ref.h"
 #include <boost/function.hpp>
 #include <memory>
@@ -140,6 +141,11 @@ public:
 	bool any_encrypted () const;
 	bool all_encrypted () const;
 
+	/** Checks to see whether all assets can be read (either because
+	 *  they are unencrypted, or the provided KDM can decrypt them).
+	 */
+	bool can_be_read() const;
+
 	bool equals(std::shared_ptr<const Reel> other, EqualityOptions const& opt, NoteHandler notes) const;
 
 	void add (DecryptedKDM const &);
-- 
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