Add can_be_read() to CPL.

2 files changed, 11 insertions, 0 deletions

diff --git a/src/cpl.cc b/src/cpl.cc
index 9dfff888..ea49eb34 100644
--- a/src/cpl.cc
+++ b/src/cpl.cc
@@ -842,3 +842,11 @@ CPL::set_main_picture_active_area(dcp::Size area)
 	_main_picture_active_area = area;
 }
 
+
+bool
+CPL::can_be_read() const
+{
+	auto r = reels();
+	return std::all_of(r.begin(), r.end(), [](shared_ptr<const Reel> reel) { return reel->can_be_read(); });
+}
+
diff --git a/src/cpl.h b/src/cpl.h
index 5fc56e25..f13bb9c6 100644
--- a/src/cpl.h
+++ b/src/cpl.h
@@ -125,6 +125,9 @@ public:
 	/** @return true if we have all our encryptable content is encrypted */
 	bool all_encrypted() const;
 
+	/** @return true if all assets are present and can be read */
+	bool can_be_read() const;
+
 	/** Write a CompositionPlaylist XML file
 	 *
 	 *  @param file Filename to write