libhb: fix deinterlace fast green stripe

git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@4865 b64f7644-9d1e-0410-96f1-a4d463321fa5

1 files changed, 7 insertions, 4 deletions

diff --git a/libhb/deinterlace.c b/libhb/deinterlace.c
index ee410a1cf..095693ab1 100644
--- a/libhb/deinterlace.c
+++ b/libhb/deinterlace.c
@@ -534,14 +534,17 @@ static int hb_deinterlace_work( hb_filter_object_t * filter,
         /* Use libavcodec deinterlace if yadif_mode < 0 */
         if( !( pv->yadif_mode & MODE_YADIF_ENABLE ) )
         {
+            int width = (pv->buf_out[0]->plane[0].width + 3) & ~0x3;
+            int height = (pv->buf_out[0]->plane[0].height + 3) & ~0x3;
+
             hb_avpicture_fill( &pic_out, pv->buf_out[0] );
 
-            // avpicture_deinterlace requires 8 byte aligned width and height
+            // avpicture_deinterlace requires 4 pixel aligned width and height
             // we have aligned all buffers to 16 byte width and height strides
-            // so use the image stride when deinterlacing
+            // so there is room in the buffers to accomodate a litte
+            // overscan.
             avpicture_deinterlace( &pic_out, &pic_in, pv->buf_out[0]->f.fmt, 
-                                   pv->buf_out[0]->plane[0].stride,
-                                   pv->buf_out[0]->plane[0].height_stride );
+                                   width, height );
 
             pv->buf_out[0]->s = in->s;
             hb_buffer_move_subs( pv->buf_out[0], in );