static int nvdec_vc1_start_frame(AVCodecContext *avctx, const uint8_t *buffer, uint32_t size) { VC1Context *v = avctx->priv_data; MpegEncContext *s = &v->s; NVDECContext *ctx = avctx->internal->hwaccel_priv_data; CUVIDPICPARAMS *pp = &ctx->pic_params; FrameDecodeData *fdd; NVDECFrame *cf; AVFrame *cur_frame = s->current_picture.f; int ret; ret = ff_nvdec_start_frame(avctx, cur_frame); if (ret < 0) return ret; fdd = (FrameDecodeData*)cur_frame->private_ref->data; cf = (NVDECFrame*)fdd->hwaccel_priv; *pp = (CUVIDPICPARAMS) { .PicWidthInMbs = (cur_frame->width + 15) / 16, .FrameHeightInMbs = (cur_frame->height + 15) / 16, .CurrPicIdx = cf->idx, .field_pic_flag = v->field_mode, .bottom_field_flag = v->cur_field_type, .second_field = v->second_field, .intra_pic_flag = s->pict_type == AV_PICTURE_TYPE_I || s->pict_type == AV_PICTURE_TYPE_BI, .ref_pic_flag = s->pict_type == AV_PICTURE_TYPE_I || s->pict_type == AV_PICTURE_TYPE_P, .CodecSpecific.vc1 = { .ForwardRefIdx = get_ref_idx(s->last_picture.f), .BackwardRefIdx = get_ref_idx(s->next_picture.f), .FrameWidth = cur_frame->width, .FrameHeight = cur_frame->height, .intra_pic_flag = s->pict_type == AV_PICTURE_TYPE_I || s->pict_type == AV_PICTURE_TYPE_BI, .ref_pic_flag = s->pict_type == AV_PICTURE_TYPE_I || s->pict_type == AV_PICTURE_TYPE_P, .progressive_fcm = v->fcm == 0, .profile = v->profile, .postprocflag = v->postprocflag, .pulldown = v->broadcast, .interlace = v->interlace, .tfcntrflag = v->tfcntrflag, .finterpflag = v->finterpflag, .psf = v->psf, .multires = v->multires, .syncmarker = v->resync_marker, .rangered = v->rangered, .maxbframes = s->max_b_frames, .panscan_flag = v->panscanflag, .refdist_flag = v->refdist_flag, .extended_mv = v->extended_mv, .dquant = v->dquant, .vstransform = v->vstransform, .loopfilter = v->s.loop_filter, .fastuvmc = v->fastuvmc, .overlap = v->overlap, .quantizer = v->quantizer_mode, .extended_dmv = v->extended_dmv, .range_mapy_flag = v->range_mapy_flag, .range_mapy = v->range_mapy, .range_mapuv_flag = v->range_mapuv_flag, .range_mapuv = v->range_mapuv, .rangeredfrm = v->rangeredfrm, } }; return 0; }