X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Faudio_ring_buffers.h;h=4c90ed7911d4137d3acd3e5de96591f5a234bbc3;hb=0330b684fe616b465e65b67f7d995e659fa83fca;hp=ce0efd3e2c585569ccdc7f127618a69700083dde;hpb=b73576594b252e033539bec964d72403d3775585;p=dcpomatic.git

diff --git a/src/lib/audio_ring_buffers.h b/src/lib/audio_ring_buffers.h
index ce0efd3e2..4c90ed791 100644
--- a/src/lib/audio_ring_buffers.h
+++ b/src/lib/audio_ring_buffers.h
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2016-2017 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2016-2021 Carl Hetherington <cth@carlh.net>
 
     This file is part of DCP-o-matic.
 
@@ -18,31 +18,39 @@
 
 */
 
+
 #ifndef DCPOMATIC_AUDIO_RING_BUFFERS_H
 #define DCPOMATIC_AUDIO_RING_BUFFERS_H
 
+
 #include "audio_buffers.h"
 #include "types.h"
 #include "dcpomatic_time.h"
-#include <boost/shared_ptr.hpp>
 #include <boost/thread.hpp>
 #include <list>
 
-class AudioRingBuffers : public boost::noncopyable
+
+class AudioRingBuffers
 {
 public:
 	AudioRingBuffers ();
 
-	void put (boost::shared_ptr<const AudioBuffers> data, DCPTime time, int frame_rate);
-	boost::optional<DCPTime> get (float* out, int channels, int frames);
+	AudioRingBuffers (AudioBuffers const&) = delete;
+	AudioRingBuffers& operator= (AudioBuffers const&) = delete;
+
+	void put (std::shared_ptr<const AudioBuffers> data, dcpomatic::DCPTime time, int frame_rate);
+	boost::optional<dcpomatic::DCPTime> get (float* out, int channels, int frames);
+	boost::optional<dcpomatic::DCPTime> peek () const;
 
 	void clear ();
+	/** @return number of frames currently available */
 	Frame size () const;
 
 private:
 	mutable boost::mutex _mutex;
-	std::list<std::pair<boost::shared_ptr<const AudioBuffers>, DCPTime> > _buffers;
-	int _used_in_head;
+	std::list<std::pair<std::shared_ptr<const AudioBuffers>, dcpomatic::DCPTime> > _buffers;
+	int _used_in_head = 0;
 };
 
+
 #endif