Use the maximum possible alignment on this system.

Configure will put its test results as ATTRIBUTE_ALIGNED_MAX in config.h. Use that value to pass alignment informtation to vlc block and picture buffers.

src/misc/block.c

@@ -76,7 +76,7 @@ static void BlockRelease( block_t *p_block )
 }
 
 /* Memory alignment */
-#define BLOCK_ALIGN        32
+#define BLOCK_ALIGN        ATTRIBUTE_ALIGNED_MAX
 /* Initial size of reserved header and footer */
 #define BLOCK_PADDING_SIZE 32
 /* Maximum size of reserved footer before we release with realloc() */

src/video_output/vout_pictures.c

@@ -571,7 +571,7 @@ int __vout_AllocatePicture( vlc_object_t *p_this, picture_t *p_pic,
     i_bytes = p_pic->format.i_bits_per_pixel *
         i_width_aligned * i_height_aligned / 8;
 
-    p_pic->p_data = vlc_memalign( &p_pic->p_data_orig, 16, i_bytes );
+    p_pic->p_data = vlc_memalign( &p_pic->p_data_orig, ATTRIBUTE_ALIGNED_MAX, i_bytes );
 
     if( p_pic->p_data == NULL )
     {