diff --git a/va/va.c b/va/va.c
index 4f074f16b..4cd279139 100644
--- a/va/va.c
+++ b/va/va.c
@@ -1597,6 +1597,22 @@ VAStatus vaQuerySurfaceError (
   return va_status;
 }
 
+VAStatus vaQueryOutputValue(
+    VADisplay dpy,
+    VAContextID context,
+    VAOutputValueTypes output_value_type,
+    void *output_value)
+{
+  VAStatus va_status;
+  VADriverContextP ctx;
+  CHECK_DISPLAY(dpy);
+  ctx = CTX(dpy);
+
+  va_status = ctx->vtable->vaQueryOutputValue( ctx,context,output_value_type, output_value );
+
+  return va_status;
+}
+
 /* Get maximum number of image formats supported by the implementation */
 int vaMaxNumImageFormats (
     VADisplay dpy
diff --git a/va/va.h b/va/va.h
index 4b7594285..ed30eabe2 100644
--- a/va/va.h
+++ b/va/va.h
@@ -3625,6 +3625,24 @@ VAStatus vaQuerySurfaceError(
     void **error_info
 );
 
+/**out put value types, used by \vaQueryOutputValue */
+typedef enum
+{
+    VAOutputDecodeCRC = 1
+}VAOutputValueTypes;
+
+/**
+ * this interface is to get some values from driver or HW
+ * after calling vaSyncSurface, the value type is defined with \c VAOutputValueTypes
+ * the output_value should be a pointer allocated by application.
+ * it can be a single value or a structure.
+ */
+VAStatus vaQueryOutputValue(
+    VADisplay dpy,
+    VAContextID context,
+    VAOutputValueTypes output_value_type,
+    void *output_value);
+
 /**
  * Images and Subpictures
  * VAImage is used to either get the surface data to client memory, or 
diff --git a/va/va_backend.h b/va/va_backend.h
index 8deb97985..faaece9dd 100644
--- a/va/va_backend.h
+++ b/va/va_backend.h
@@ -486,8 +486,15 @@ struct VADriverVTable
             void               *descriptor      /* out */
         );
 
+        VAStatus
+        (*vaQueryOutputValue)(
+            VADriverContextP    ctx,
+            VAContextID         context,          /* in */
+            VAOutputValueTypes  output_value_type,/* in */
+            void                *output_value     /* out */
+        );
         /** \brief Reserved bytes for future use, must be zero */
-        unsigned long reserved[57];
+        unsigned long reserved[56];
 };
 
 struct VADriverContext