Add check for minimum of 8 pixels for any functions and multiple of 8 not 16 for neon functions.

BUG=373
TESTED=try bots
R=harryjin@google.com

Review URL: https://webrtc-codereview.appspot.com/23189004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1139 16f28f9a-4ce2-e073-06de-1de4eb20be90

README.chromium

 Name: libyuv
 URL: http://code.google.com/p/libyuv/
-Version: 1137
+Version: 1138
 License: BSD
 License File: LICENSE
 

include/libyuv/version.h

@@ -11,6 +11,6 @@
 #ifndef INCLUDE_LIBYUV_VERSION_H_  // NOLINT
 #define INCLUDE_LIBYUV_VERSION_H_
 
-#define LIBYUV_VERSION 1137
+#define LIBYUV_VERSION 1138
 
 #endif  // INCLUDE_LIBYUV_VERSION_H_  NOLINT

source/planar_functions.cc

@@ -871,9 +871,9 @@ int I422ToABGR(const uint8* src_y, int src_stride_y,
     src_stride_y = src_stride_u = src_stride_v = dst_stride_abgr = 0;
   }
 #if defined(HAS_I422TOABGRROW_NEON)
-  if (TestCpuFlag(kCpuHasNEON)) {
+  if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
     I422ToABGRRow = I422ToABGRRow_Any_NEON;
-    if (IS_ALIGNED(width, 16)) {
+    if (IS_ALIGNED(width, 8)) {
       I422ToABGRRow = I422ToABGRRow_NEON;
     }
   }
@@ -939,9 +939,9 @@ int I422ToRGBA(const uint8* src_y, int src_stride_y,
     src_stride_y = src_stride_u = src_stride_v = dst_stride_rgba = 0;
   }
 #if defined(HAS_I422TORGBAROW_NEON)
-  if (TestCpuFlag(kCpuHasNEON)) {
+  if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
     I422ToRGBARow = I422ToRGBARow_Any_NEON;
-    if (IS_ALIGNED(width, 16)) {
+    if (IS_ALIGNED(width, 8)) {
       I422ToRGBARow = I422ToRGBARow_NEON;
     }
   }