X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fvideo_ring_buffers.cc;h=1c08d44b3fff5fdba9a86bcebcc2b227729c0c91;hb=dd9be86db6cde0afa5da0d1d1ac43b42e05dca26;hp=254285456ebc4253d125111df1d5e9e45bdd4da9;hpb=4f9cb03792e85cbb5b4d554ab8ec0a3275fa7524;p=dcpomatic.git

diff --git a/src/lib/video_ring_buffers.cc b/src/lib/video_ring_buffers.cc
index 254285456..1c08d44b3 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.
 
@@ -20,6 +20,7 @@
 
 #include "video_ring_buffers.h"
 #include "player_video.h"
+#include "compose.hpp"
 #include <boost/foreach.hpp>
 #include <list>
 #include <iostream>
@@ -28,13 +29,14 @@ using std::list;
 using std::make_pair;
 using std::cout;
 using std::pair;
-using boost::shared_ptr;
+using std::string;
+using std::shared_ptr;
 using boost::optional;
+using namespace dcpomatic;
 
 void
 VideoRingBuffers::put (shared_ptr<PlayerVideo> frame, DCPTime time)
 {
-	cout << "put " << to_string(time) << "\n";
 	boost::mutex::scoped_lock lm (_mutex);
 	_data.push_back (make_pair (frame, time));
 }
@@ -44,11 +46,9 @@ VideoRingBuffers::get ()
 {
 	boost::mutex::scoped_lock lm (_mutex);
 	if (_data.empty ()) {
-		cout << "get: no data.\n";
 		return make_pair(shared_ptr<PlayerVideo>(), DCPTime());
 	}
 	pair<shared_ptr<PlayerVideo>, DCPTime> const r = _data.front ();
-	cout << "get: here we go! " << to_string(r.second) << "\n";
 	_data.pop_front ();
 	return r;
 }
@@ -60,6 +60,13 @@ VideoRingBuffers::size () const
 	return _data.size ();
 }
 
+bool
+VideoRingBuffers::empty () const
+{
+	boost::mutex::scoped_lock lm (_mutex);
+	return _data.empty ();
+}
+
 void
 VideoRingBuffers::clear ()
 {
@@ -67,13 +74,24 @@ VideoRingBuffers::clear ()
 	_data.clear ();
 }
 
-optional<DCPTime>
-VideoRingBuffers::latest () const
+pair<size_t, string>
+VideoRingBuffers::memory_used () const
 {
 	boost::mutex::scoped_lock lm (_mutex);
-	if (_data.empty ()) {
-		return optional<DCPTime> ();
+	size_t m = 0;
+	for (list<pair<shared_ptr<PlayerVideo>, DCPTime> >::const_iterator i = _data.begin(); i != _data.end(); ++i) {
+		m += i->first->memory_used();
 	}
+	return make_pair(m, String::compose("%1 frames", _data.size()));
+}
 
-	return _data.back().second;
+
+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);
+	}
 }
+