qsvenc: Make sure the interlaced encoding works

And reduce the vertical alignment constraint when possible to reduce the
memory usage.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/libavcodec/qsvenc.h b/libavcodec/qsvenc.h
index 13e4c47481..a6399040e9 100644
--- a/libavcodec/qsvenc.h
+++ b/libavcodec/qsvenc.h
@@ -79,6 +79,7 @@ typedef struct QSVEncContext {
 
     int packet_size;
     int width_align;
+    int height_align;
 
     mfxVideoParam param;
     mfxFrameAllocRequest req;