From a1449c97eefa1635680ede98f61ab3538c56eb21 Mon Sep 17 00:00:00 2001
From: Josh Blum
Date: Sat, 1 Dec 2012 13:55:48 -0800
Subject: changed lookahead to preload, thats all it is

---
 include/gras/block.hpp | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

(limited to 'include')

diff --git a/include/gras/block.hpp b/include/gras/block.hpp
index 68bd051..71da047 100644
--- a/include/gras/block.hpp
+++ b/include/gras/block.hpp
@@ -58,15 +58,19 @@ struct GRAS_API InputPortConfig
     bool inline_buffer;
 
     /*!
-     * Set the number of input buffer look-ahead items.
-     * When num look-ahead items are not consumed,
-     * they will be available for the next work call.
-     * This is used to implement sample memory for
+     * Preload the input queue with num preload items.
+     * All items preloaded into the buffer will be 0.
+     * This is used to implement zero-padding for
      * things like sliding dot products/FIR filters.
      *
+     *  - Increasing the preload at runtime will
+     * inject more items into the input queue.
+     *  - Decreasing the preload at runtime will
+     * consume random items from the input queue.
+     *
      * Default = 0.
      */
-    size_t lookahead_items;
+    size_t preload_items;
 };
 
 //! Configuration parameters for an output port
-- 
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