Add MSA optimized I422ToYUY2Row, I422ToUYVYRow functions

source/convert_from.cc

 /*
  *  Copyright 2012 The LibYuv Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS. All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 219 matching lines @@
   }
 #endif
 #if defined(HAS_I422TOYUY2ROW_NEON)
   if (TestCpuFlag(kCpuHasNEON)) {
     I422ToYUY2Row = I422ToYUY2Row_Any_NEON;
     if (IS_ALIGNED(width, 16)) {
       I422ToYUY2Row = I422ToYUY2Row_NEON;
     }
   }
 #endif
+#if defined(HAS_I422TOYUY2ROW_MSA)
+  if (TestCpuFlag(kCpuHasMSA)) {
+    I422ToYUY2Row = I422ToYUY2Row_Any_MSA;
+    if (IS_ALIGNED(width, 32)) {
+      I422ToYUY2Row = I422ToYUY2Row_MSA;
+    }
+  }
+#endif
 
   for (y = 0; y < height - 1; y += 2) {
     I422ToYUY2Row(src_y, src_u, src_v, dst_yuy2, width);
     I422ToYUY2Row(src_y + src_stride_y, src_u, src_v,
                   dst_yuy2 + dst_stride_yuy2, width);
     src_y += src_stride_y * 2;
     src_u += src_stride_u;
     src_v += src_stride_v;
     dst_yuy2 += dst_stride_yuy2 * 2;
   }
@@ skipping 41 matching lines @@
   }
 #endif
 #if defined(HAS_I422TOUYVYROW_NEON)
   if (TestCpuFlag(kCpuHasNEON)) {
     I422ToUYVYRow = I422ToUYVYRow_Any_NEON;
     if (IS_ALIGNED(width, 16)) {
       I422ToUYVYRow = I422ToUYVYRow_NEON;
     }
   }
 #endif
+#if defined(HAS_I422TOUYVYROW_MSA)
+  if (TestCpuFlag(kCpuHasMSA)) {
+    I422ToUYVYRow = I422ToUYVYRow_Any_MSA;
+    if (IS_ALIGNED(width, 32)) {
+      I422ToUYVYRow = I422ToUYVYRow_MSA;
+    }
+  }
+#endif
 
   for (y = 0; y < height; ++y) {
     I422ToUYVYRow(src_y, src_u, src_v, dst_uyvy, width);
     src_y += src_stride_y;
     src_u += src_stride_u;
     src_v += src_stride_v;
     dst_uyvy += dst_stride_uyvy;
   }
   return 0;
 }
@@ skipping 27 matching lines @@
   }
 #endif
 #if defined(HAS_I422TOUYVYROW_NEON)
   if (TestCpuFlag(kCpuHasNEON)) {
     I422ToUYVYRow = I422ToUYVYRow_Any_NEON;
     if (IS_ALIGNED(width, 16)) {
       I422ToUYVYRow = I422ToUYVYRow_NEON;
     }
   }
 #endif
+#if defined(HAS_I422TOUYVYROW_MSA)
+  if (TestCpuFlag(kCpuHasMSA)) {
+    I422ToUYVYRow = I422ToUYVYRow_Any_MSA;
+    if (IS_ALIGNED(width, 32)) {
+      I422ToUYVYRow = I422ToUYVYRow_MSA;
+    }
+  }
+#endif
 
   for (y = 0; y < height - 1; y += 2) {
     I422ToUYVYRow(src_y, src_u, src_v, dst_uyvy, width);
     I422ToUYVYRow(src_y + src_stride_y, src_u, src_v,
                   dst_uyvy + dst_stride_uyvy, width);
     src_y += src_stride_y * 2;
     src_u += src_stride_u;
     src_v += src_stride_v;
     dst_uyvy += dst_stride_uyvy * 2;
   }
@@ skipping 749 matching lines @@
     default:
       return -1;  // unknown fourcc - return failure code.
   }
   return r;
 }
 
 #ifdef __cplusplus
 }  // extern "C"
 }  // namespace libyuv
 #endif