Add basic memory-used stuff for butler and reduce minimum audio

readahead quite a bit.  This in turn reduces the maximum butler memory
usage as it will keep getting audio (and hence video) until the
minimum audio readahead is hit.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/lib/butler.h b/src/lib/butler.h
index 8fad3614e..a61011f40 100644
--- a/src/lib/butler.h
+++ b/src/lib/butler.h
@@ -45,6 +45,8 @@ public:
 
 	void disable_audio ();
 
+	std::pair<size_t, std::string> memory_used () const;
+
 private:
 	void thread ();
 	void video (boost::shared_ptr<PlayerVideo> video, DCPTime time);