h264: add a parameter to the FIELD_OR_MBAFF_PICTURE macro.

This way it does not look like a constant.

1 files changed, 1 insertions, 1 deletions

diff --git a/libavcodec/dxva2_h264.c b/libavcodec/dxva2_h264.c
index e71d9e36a1..6457824b6f 100644
--- a/libavcodec/dxva2_h264.c
+++ b/libavcodec/dxva2_h264.c
@@ -206,7 +206,7 @@ static void fill_slice_long(AVCodecContext *avctx, DXVA_Slice_H264_Long *slice,
     slice->SliceBytesInBuffer    = size;
     slice->wBadSliceChopping     = 0;
 
-    slice->first_mb_in_slice     = (h->mb_y >> FIELD_OR_MBAFF_PICTURE) * h->mb_width + h->mb_x;
+    slice->first_mb_in_slice     = (h->mb_y >> FIELD_OR_MBAFF_PICTURE(h)) * h->mb_width + h->mb_x;
     slice->NumMbsForSlice        = 0; /* XXX it is set once we have all slices */
     slice->BitOffsetToSliceData  = get_bits_count(&h->gb);
     slice->slice_type            = ff_h264_get_slice_type(h);