VaapiVEA: Get maximum resolution from libva

third_party/libva/va/va.h

 /*
  * Copyright (c) 2007-2009 Intel Corporation. All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the
  * "Software"), to deal in the Software without restriction, including
  * without limitation the rights to use, copy, modify, merge, publish,
  * distribute, sub license, and/or sell copies of the Software, and to
  * permit persons to whom the Software is furnished to do so, subject to
  * the following conditions:
@@ skipping 2471 matching lines @@
  * Only attributes returned with VA_DISPLAY_ATTRIB_SETTABLE set in the "flags" field
  * from vaQueryDisplayAttributes() can be set.  If the attribute is not settable or 
  * the value is out of range, the function returns VA_STATUS_ERROR_ATTR_NOT_SUPPORTED
  */
 VAStatus vaSetDisplayAttributes (
     VADisplay dpy,
     VADisplayAttribute *attr_list,
     int num_attributes
 );
 
+/**
+ * Get codec resolution
+ * This function returns the hardware codec supported maximum resolution.
+ */
+VAStatus vaGetCodecResolution (
+    VADisplay dpy,
+    unsigned int *width,        /* out */
+    unsigned int *height        /* out */
+);
+
 /**@}*/
 
 #ifdef __cplusplus
 }
 #endif
 
 #endif /* _VA_H_ */