diff --git a/libavcodec/dxva2_vc1.c b/libavcodec/dxva2_vc1.c index 64447ad87a..53c205e5d6 100644 --- a/libavcodec/dxva2_vc1.c +++ b/libavcodec/dxva2_vc1.c @@ -42,11 +42,11 @@ static void fill_picture_parameters(AVCodecContext *avctx, memset(pp, 0, sizeof(*pp)); pp->wDecodedPictureIndex = pp->wDeblockedPictureIndex = ff_dxva2_get_surface_index(ctx, current_picture); - if (s->pict_type != AV_PICTURE_TYPE_I) + if (s->pict_type != AV_PICTURE_TYPE_I && !v->bi_type) pp->wForwardRefPictureIndex = ff_dxva2_get_surface_index(ctx, &s->last_picture); else pp->wForwardRefPictureIndex = 0xffff; - if (s->pict_type == AV_PICTURE_TYPE_B) + if (s->pict_type == AV_PICTURE_TYPE_B && !v->bi_type) pp->wBackwardRefPictureIndex = ff_dxva2_get_surface_index(ctx, &s->next_picture); else pp->wBackwardRefPictureIndex = 0xffff; @@ -69,8 +69,8 @@ static void fill_picture_parameters(AVCodecContext *avctx, if (s->picture_structure & PICT_BOTTOM_FIELD) pp->bPicStructure |= 0x02; pp->bSecondField = v->interlace && v->fcm != ILACE_FIELD && !s->first_field; - pp->bPicIntra = s->pict_type == AV_PICTURE_TYPE_I; - pp->bPicBackwardPrediction = s->pict_type == AV_PICTURE_TYPE_B; + pp->bPicIntra = s->pict_type == AV_PICTURE_TYPE_I || v->bi_type; + pp->bPicBackwardPrediction = s->pict_type == AV_PICTURE_TYPE_B && !v->bi_type; pp->bBidirectionalAveragingMode = (1 << 7) | ((ctx->cfg->ConfigIntraResidUnsigned != 0) << 6) | ((ctx->cfg->ConfigResidDiffAccelerator != 0) << 5) |