commit 038aa323291b8c7f5280c30267bd50b9d51ac416
author venkat sanampudi <sanampudi.venkatarao@ittiam.com> Thu Jul 23 11:10:41 2020 +0530
committer Yunqing Wang <yunqingwang@google.com> Thu Jul 23 16:05:23 2020 +0000
tree 60a3e81c8caba25bbc0e6e7a93e38010be1e3f5f
parent c84e8e26eeea33b3c1965aff31cc8612928fc94e

Add comments for motion search method

Change-Id: I6626b6e652b15843c7ab392bf105e1355b544c4b

av1/encoder/mcomp.h

diff --git a/av1/encoder/mcomp.h b/av1/encoder/mcomp.h
index 7cef4fc..48262a7 100644
--- a/av1/encoder/mcomp.h
+++ b/av1/encoder/mcomp.h
@@ -130,13 +130,26 @@
 //  Fullpixel Motion Search
 // =============================================================================
 enum {
+  // Search 8-points in the radius grid around center, up to 11 search stages.
   DIAMOND = 0,
+  // Search 12-points in the radius/tan_radius grid around center,
+  // up to 15 search stages.
   NSTEP = 1,
+  // Search maximum 8-points in the radius grid around center,
+  // up to 11 search stages. First stage consists of 8 search points
+  // and the rest with 6 search points each in hex shape.
   HEX = 2,
+  // Search maximum 8-points in the radius grid around center,
+  // up to 11 search stages. First stage consists of 4 search
+  // points and the rest with 8 search points each.
   BIGDIA = 3,
+  // Search 8-points in the square grid around center, up to 11 search stages.
   SQUARE = 4,
+  // HEX search with up to 2 stages.
   FAST_HEX = 5,
+  // BIGDIA search with up to 2 stages.
   FAST_DIAMOND = 6,
+  // BIGDIA search with up to 3 stages.
   FAST_BIGDIA = 7,
 } UENUM1BYTE(SEARCH_METHODS);