commit 56bd78cc00a991c757661ccec51fbfb2ed463f20
Author: Song Bing <b06498@freescale.com>
Date:   Mon Dec 15 09:34:35 2014 +0800

    [videopool] should update video alignment after change it
    
    Video buffer pool will update video alignment to respect stride alignment
    requirement. But haven't update it to video alignment in configure.
    Which will cause user get wrong video alignment.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=741501
    
    Signed-off-by: Song Bing <b06498@freescale.com>

diff --git a/gst-libs/gst/video/gstvideopool.c b/gst-libs/gst/video/gstvideopool.c
index 4475f45..acef594 100644
--- a/gst-libs/gst/video/gstvideopool.c
+++ b/gst-libs/gst/video/gstvideopool.c
@@ -167,6 +167,7 @@ video_buffer_pool_set_config (GstBufferPool * pool, GstStructure * config)
     /* get an apply the alignment to the info */
     gst_buffer_pool_config_get_video_alignment (config, &priv->video_align);
     gst_video_info_align (&info, &priv->video_align);
+    gst_buffer_pool_config_set_video_alignment (config, &priv->video_align);
   }
   priv->info = info;
 
