diff --git a/README.chromium b/README.chromium
index f46e4d0f5..9aeafeb91 100644
--- a/README.chromium
+++ b/README.chromium
@@ -1,6 +1,6 @@
 Name: libyuv
 URL: https://chromium.googlesource.com/libyuv/libyuv/
-Version: 1953
+Version: 1954
 Revision: DEPS
 License: BSD-3-Clause
 License File: LICENSE
diff --git a/include/libyuv/convert_from_argb.h b/include/libyuv/convert_from_argb.h
index d9fac50c9..a2bb3750a 100644
--- a/include/libyuv/convert_from_argb.h
+++ b/include/libyuv/convert_from_argb.h
@@ -418,6 +418,18 @@ int ARGBToNV12Matrix(const uint8_t* src_argb,
                      int width,
                      int height);
 
+// RGB to NV21 with matrix. See ArgbConstants at the top of this file for usage.
+LIBYUV_API
+int ARGBToNV21Matrix(const uint8_t* src_argb,
+                     int src_stride_argb,
+                     uint8_t* dst_y,
+                     int dst_stride_y,
+                     uint8_t* dst_vu,
+                     int dst_stride_vu,
+                     const struct ArgbConstants* argbconstants,
+                     int width,
+                     int height);
+
 // Convert ARGB To NV21.
 LIBYUV_API
 int ARGBToNV21(const uint8_t* src_argb,
diff --git a/include/libyuv/version.h b/include/libyuv/version.h
index 7f9da35e7..dc58a3d69 100644
--- a/include/libyuv/version.h
+++ b/include/libyuv/version.h
@@ -11,6 +11,6 @@
 #ifndef INCLUDE_LIBYUV_VERSION_H_
 #define INCLUDE_LIBYUV_VERSION_H_
 
-#define LIBYUV_VERSION 1953
+#define LIBYUV_VERSION 1954
 
 #endif  // INCLUDE_LIBYUV_VERSION_H_
diff --git a/source/convert_from_argb.cc b/source/convert_from_argb.cc
index 225465a3e..96ab1bc9c 100644
--- a/source/convert_from_argb.cc
+++ b/source/convert_from_argb.cc
@@ -632,6 +632,7 @@ int ARGBToNV12Matrix(const uint8_t* src_argb,
   return 0;
 }
 
+LIBYUV_API
 int ARGBToNV21Matrix(const uint8_t* src_argb,
                      int src_stride_argb,
                      uint8_t* dst_y,