From 090cd7dabd2f975e493a9bbd22754ee578d6a1b2 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Tue, 1 Dec 2020 11:32:11 +0100
Subject: [PATCH] Add VideoRingBuffers::reset_metadata().

---
 src/lib/video_ring_buffers.cc | 13 ++++++++++++-
 src/lib/video_ring_buffers.h  |  7 ++++++-
 2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/src/lib/video_ring_buffers.cc b/src/lib/video_ring_buffers.cc
index e0e1b052c..24d904e7e 100644
--- a/src/lib/video_ring_buffers.cc
+++ b/src/lib/video_ring_buffers.cc
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2016-2017 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2016-2020 Carl Hetherington <cth@carlh.net>
 
     This file is part of DCP-o-matic.
 
@@ -84,3 +84,14 @@ VideoRingBuffers::memory_used () const
 	}
 	return make_pair(m, String::compose("%1 frames", _data.size()));
 }
+
+
+void
+VideoRingBuffers::reset_metadata (shared_ptr<const Film> film, dcp::Size player_video_container_size)
+{
+	boost::mutex::scoped_lock lm (_mutex);
+	for (list<pair<shared_ptr<PlayerVideo>, DCPTime> >::const_iterator i = _data.begin(); i != _data.end(); ++i) {
+		i->first->reset_metadata (film, player_video_container_size);
+	}
+}
+
diff --git a/src/lib/video_ring_buffers.h b/src/lib/video_ring_buffers.h
index ba1b2162f..c7f789cb5 100644
--- a/src/lib/video_ring_buffers.h
+++ b/src/lib/video_ring_buffers.h
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2016-2017 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2016-2020 Carl Hetherington <cth@carlh.net>
 
     This file is part of DCP-o-matic.
 
@@ -26,8 +26,11 @@
 #include <boost/shared_ptr.hpp>
 #include <utility>
 
+
+class Film;
 class PlayerVideo;
 
+
 class VideoRingBuffers : public boost::noncopyable
 {
 public:
@@ -38,6 +41,8 @@ public:
 	Frame size () const;
 	bool empty () const;
 
+	void reset_metadata (boost::shared_ptr<const Film> film, dcp::Size player_video_container_size);
+
 	std::pair<size_t, std::string> memory_used () const;
 
 private:
-- 
2.30.2