Fix the build for older macOS.

[dcpomatic.git] / src / lib / audio_ring_buffers.h

diff --git a/src/lib/audio_ring_buffers.h b/src/lib/audio_ring_buffers.h
index bfaad5ec97074d0077ca9376bb636d4c4bdf55d0..4c90ed7911d4137d3acd3e5de96591f5a234bbc3 100644 (file)
--- a/src/lib/audio_ring_buffers.h
+++ b/src/lib/audio_ring_buffers.h
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2016-2019 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2016-2021 Carl Hetherington <cth@carlh.net>
 
     This file is part of DCP-o-matic.
 
@@ -18,32 +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, dcpomatic::DCPTime time, int frame_rate);
+       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>, dcpomatic::DCPTime> > _buffers;
-       int _used_in_head;
+       std::list<std::pair<std::shared_ptr<const AudioBuffers>, dcpomatic::DCPTime> > _buffers;
+       int _used_in_head = 0;
 };
 
+
 #endif