[FFmpeg-devel] [PATCH] dxva2_h264: fix reference field marking in long slice struct

[Hendrik Leppkes]

On Fri, Jan 22, 2016 at 2:02 PM, Hendrik Leppkes <h.leppkes at gmail.com> wrote:
> Fixes artifacts in interlaced decoding on old Intel GPUs.
> ---
>  libavcodec/dxva2_h264.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/libavcodec/dxva2_h264.c b/libavcodec/dxva2_h264.c
> index 2f03114..61cce3a 100644
> --- a/libavcodec/dxva2_h264.c
> +++ b/libavcodec/dxva2_h264.c
> @@ -252,7 +252,7 @@ static void fill_slice_long(AVCodecContext *avctx, DXVA_Slice_H264_Long *slice,
>                  else
>                      index = get_refpic_index(pp, ff_dxva2_get_surface_index(avctx, ctx, r->f));
>                  fill_picture_entry(&slice->RefPicList[list][i], index,
> -                                   r->reference == PICT_BOTTOM_FIELD);
> +                                   sl->ref_list[list][i].reference == PICT_BOTTOM_FIELD);
>                  for (plane = 0; plane < 3; plane++) {
>                      int w, o;
>                      if (plane == 0 && sl->luma_weight_flag[list]) {
> --
> 2.6.2.windows.1
>

Got confirmation from the user on this hardware that it works fine
again. Will push tomorrow.