Add MSA optimized YUY2ToI422, YUY2ToI420, UYVYToI422, UYVYToI420 functions

source/convert.cc

Index: source/convert.cc
diff --git a/source/convert.cc b/source/convert.cc
index a33742d24d90f7f489406fd8a2dca6571b1de77b..6109a4962bf74c5fa1db772877dea25ac71feb77 100644
--- a/source/convert.cc
+++ b/source/convert.cc
@@ -392,6 +392,16 @@ int YUY2ToI420(const uint8* src_yuy2, int src_stride_yuy2,
     }
   }
 #endif
+#if defined(HAS_YUY2TOYROW_MSA)
+  if (TestCpuFlag(kCpuHasMSA)) {
+    YUY2ToYRow = YUY2ToYRow_Any_MSA;
+    YUY2ToUVRow = YUY2ToUVRow_Any_MSA;
+    if (IS_ALIGNED(width, 64)) {
+      YUY2ToYRow = YUY2ToYRow_MSA;
+      YUY2ToUVRow = YUY2ToUVRow_MSA;
+    }
+  }
+#endif
 
   for (y = 0; y < height - 1; y += 2) {
     YUY2ToUVRow(src_yuy2, src_stride_yuy2, dst_u, dst_v, width);
@@ -457,6 +467,16 @@ int UYVYToI420(const uint8* src_uyvy, int src_stride_uyvy,
     }
   }
 #endif
+#if defined(HAS_UYVYTOYROW_MSA)
+  if (TestCpuFlag(kCpuHasMSA)) {
+    UYVYToYRow = UYVYToYRow_Any_MSA;
+    UYVYToUVRow = UYVYToUVRow_Any_MSA;
+    if (IS_ALIGNED(width, 64)) {
+      UYVYToYRow = UYVYToYRow_MSA;
+      UYVYToUVRow = UYVYToUVRow_MSA;
+    }
+  }
+#endif
 
   for (y = 0; y < height - 1; y += 2) {
     UYVYToUVRow(src_uyvy, src_stride_uyvy, dst_u, dst_v, width);