From a5ea5c0d2637dd41e3d356cb62cac75b8cadf8ce Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Fri, 29 Dec 2017 22:51:50 +0000
Subject: 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.

---
 src/lib/image.cc | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'src/lib/image.cc')

diff --git a/src/lib/image.cc b/src/lib/image.cc
index c3955c92a..da1bb86ee 100644
--- a/src/lib/image.cc
+++ b/src/lib/image.cc
@@ -1046,3 +1046,13 @@ Image::ensure_aligned (shared_ptr<Image> image)
 
 	return shared_ptr<Image> (new Image (image, true));
 }
+
+size_t
+Image::memory_used () const
+{
+	size_t m = 0;
+	for (int i = 0; i < planes(); ++i) {
+		m += _stride[i] * sample_size(i).height;
+	}
+	return m;
+}
-- 
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