shithub: libvpx

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ref: 69c7ad340721e9ca3659af054808c10aa91980df
parent: 31b975713cf69879bcfd66bc653791112a8c3644
author: hui su <[email protected]>
date: Thu Apr 7 07:04:40 EDT 2016

Correct comments for scan order neighbors

Change-Id: I5e2dc39bf0ee8e501e4dd358be2e92ae50934593

--- a/vp10/common/scan.c
+++ b/vp10/common/scan.c
@@ -229,10 +229,8 @@
   990, 959, 1022, 991, 1023,
 };
 
-// Neighborhood 5-tuples for various scans and blocksizes,
-// in {top, left, topleft, topright, bottomleft} order
-// for each position in raster scan order.
-// -1 indicates the neighbor does not exist.
+// Neighborhood 2-tuples for various scans and blocksizes,
+// in {top, left} order for each position in corresponding scan order.
 DECLARE_ALIGNED(16, static const int16_t,
                 default_scan_4x4_neighbors[17 * MAX_NEIGHBORS]) = {
   0, 0, 0, 0, 0, 0, 1, 4, 4, 4, 1, 1, 8, 8, 5, 8, 2, 2, 2, 5, 9, 12, 6, 9,
--- a/vp9/common/vp9_scan.c
+++ b/vp9/common/vp9_scan.c
@@ -229,10 +229,8 @@
   990, 959, 1022, 991, 1023,
 };
 
-// Neighborhood 5-tuples for various scans and blocksizes,
-// in {top, left, topleft, topright, bottomleft} order
-// for each position in raster scan order.
-// -1 indicates the neighbor does not exist.
+// Neighborhood 2-tuples for various scans and blocksizes,
+// in {top, left} order for each position in corresponding scan order.
 DECLARE_ALIGNED(16, static const int16_t,
                 default_scan_4x4_neighbors[17 * MAX_NEIGHBORS]) = {
   0, 0, 0, 0, 0, 0, 1, 4, 4, 4, 1, 1, 8, 8, 5, 8, 2, 2, 2, 5, 9, 12, 6, 9,