From 6013464eb7295fcd749b3146f758fc9295fbe11a Mon Sep 17 00:00:00 2001
From: Pierre Neidhardt <mail@ambrevar.xyz>
Date: Thu, 21 Feb 2019 17:46:58 +0100
Subject: * lisp/emms-browser.el: Add emms-browser-cache-thumbnail-async for
 faster thumbnail lookups.

---
 doc/emms.texinfo | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'doc')

diff --git a/doc/emms.texinfo b/doc/emms.texinfo
index dc6664d..0777e14 100644
--- a/doc/emms.texinfo
+++ b/doc/emms.texinfo
@@ -1677,6 +1677,14 @@ upon change in the source folder.
 Customize @var{emms-browser-covers-file-extensions} to include or exclude
 specific extensions.
 
+'emms-browser-cache-thumbnail' might be everytime a cover is queried, so
+to help with performance you can also set @var{emms-browser-covers} to
+'emms-browser-cache-thumbnail-async'.  The latter is like the former
+except that it caches queries: every subsequent query will be much
+faster.  The drawback is that it won't see changes made to covers after
+the first query.  To force-refresh the thumbnail cache, you can run
+'emms-browser-clear-cache-hash'.
+
 Also, Emacs by default will jump around a lot when scrolling a buffer
 with images. In order to prevent that, you can set
 @var{scroll-up-aggressively} and @var{scroll-down-aggressively} to the
-- 
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