jpeg: pad Huffman table to 4-byte boundaries (Haihao).

Some VA driver implementations require alignment to 4-byte boundaries
so that to allow for direct memory transfers.

Signed-off-by: Gwenole Beauchesne <gwenole.beauchesne@intel.com>

diff --git a/va/va_dec_jpeg.h b/va/va_dec_jpeg.h
index f8858aa..9936692 100644 (file)
--- a/va/va_dec_jpeg.h
+++ b/va/va_dec_jpeg.h
@@ -121,6 +121,8 @@ typedef struct _VAHuffmanTableBufferJPEGBaseline {
         unsigned char   num_ac_codes[16];
         /** \brief Value associated with each Huffman code (Vij). */
         unsigned char   ac_values[162];
+        /** \brief Padding to 4-byte boundaries. Must be set to zero. */
+        unsigned char   pad[2];
         /**@}*/
     }                   huffman_table[2];
 } VAHuffmanTableBufferJPEGBaseline;