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std::shared_ptr
[dcpomatic.git]
/
src
/
lib
/
audio_ring_buffers.cc
diff --git
a/src/lib/audio_ring_buffers.cc
b/src/lib/audio_ring_buffers.cc
index 21c4b6a5c1084123c71d82706653615e96aab709..c0559f61c5b11283ef3e67f22ffcaea33c7f0a97 100644
(file)
--- a/
src/lib/audio_ring_buffers.cc
+++ b/
src/lib/audio_ring_buffers.cc
@@
-1,5
+1,5
@@
/*
/*
- Copyright (C) 2016-201
8
Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2016-201
9
Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
This file is part of DCP-o-matic.
@@
-29,8
+29,9
@@
using std::cout;
using std::make_pair;
using std::pair;
using std::list;
using std::make_pair;
using std::pair;
using std::list;
-using
boost
::shared_ptr;
+using
std
::shared_ptr;
using boost::optional;
using boost::optional;
+using namespace dcpomatic;
AudioRingBuffers::AudioRingBuffers ()
: _used_in_head (0)
AudioRingBuffers::AudioRingBuffers ()
: _used_in_head (0)
@@
-103,6
+104,16
@@
AudioRingBuffers::get (float* out, int channels, int frames)
return time;
}
return time;
}
+optional<DCPTime>
+AudioRingBuffers::peek () const
+{
+ boost::mutex::scoped_lock lm (_mutex);
+ if (_buffers.empty()) {
+ return optional<DCPTime>();
+ }
+ return _buffers.front().second;
+}
+
void
AudioRingBuffers::clear ()
{
void
AudioRingBuffers::clear ()
{