port I420ToYUY2 code to support I420ToYUY2 I422ToYUY2 and I420ToV210

BUG=none
TEST=none
Review URL: https://webrtc-codereview.appspot.com/388011

git-svn-id: http://libyuv.googlecode.com/svn/trunk@173 16f28f9a-4ce2-e073-06de-1de4eb20be90

README.chromium

 Name: libyuv
 URL: http://code.google.com/p/libyuv/
-Version: 172
+Version: 173
 License: BSD
 License File: LICENSE
 

include/libyuv/convert.h

@@ -69,6 +69,19 @@ int I420ToUYVY(const uint8* src_y, int src_stride_y,
                uint8* dst_frame, int dst_stride_frame,
                int width, int height);
 
+int I422ToUYVY(const uint8* src_y, int src_stride_y,
+               const uint8* src_u, int src_stride_u,
+               const uint8* src_v, int src_stride_v,
+               uint8* dst_frame, int dst_stride_frame,
+               int width, int height);
+
+int I420ToV210(const uint8* src_y, int src_stride_y,
+               const uint8* src_u, int src_stride_u,
+               const uint8* src_v, int src_stride_v,
+               uint8* dst_frame, int dst_stride_frame,
+               int width, int height);
+
+
 int RGB24ToI420(const uint8* src_frame, int src_stride_frame,
                 uint8* dst_y, int dst_stride_y,
                 uint8* dst_u, int dst_stride_u,

include/libyuv/version.h

@@ -11,7 +11,7 @@
 #ifndef INCLUDE_LIBYUV_VERSION_H_
 #define INCLUDE_LIBYUV_VERSION_H_
 
-#define LIBYUV_VERSION 172
+#define LIBYUV_VERSION 173
 
 #endif  // INCLUDE_LIBYUV_VERSION_H_
 

source/convertfrom.cc

@@ -49,6 +49,15 @@ int ConvertFromI420(const uint8* y, int y_stride,
                  dst_sample_stride ? dst_sample_stride : width * 2,
                  width, height);
       break;
+    case FOURCC_V210:
+      I420ToV210(y, y_stride,
+                 u, u_stride,
+                 v, v_stride,
+                 dst_sample,
+                 dst_sample_stride ? dst_sample_stride :
+                     (width + 47) / 48 * 128,
+                 width, height);
+      break;
     case FOURCC_RGBP:
       I420ToRGB565(y, y_stride,
                    u, u_stride,