int ff_h264_field_end(H264Context *h, H264SliceContext *sl, int in_setup)
{
    AVCodecContext *const avctx = h->avctx;
    int err = 0;
    h->mb_y = 0;

#if FF_API_CAP_VDPAU
    if (CONFIG_H264_VDPAU_DECODER &&
        h->avctx->codec->capabilities & AV_CODEC_CAP_HWACCEL_VDPAU)
        ff_vdpau_h264_set_reference_frames(h);
#endif

    if (in_setup || !(avctx->active_thread_type & FF_THREAD_FRAME)) {
        if (!h->droppable) {
            err = ff_h264_execute_ref_pic_marking(h, h->mmco, h->mmco_index);
            h->prev_poc_msb = h->poc_msb;
            h->prev_poc_lsb = h->poc_lsb;
        }
        h->prev_frame_num_offset = h->frame_num_offset;
        h->prev_frame_num        = h->frame_num;
    }

    if (avctx->hwaccel) {
        err = avctx->hwaccel->end_frame(avctx);
        if (err < 0)
            av_log(avctx, AV_LOG_ERROR,
                   "hardware accelerator failed to decode picture\n");
    }

#if FF_API_CAP_VDPAU
    if (CONFIG_H264_VDPAU_DECODER &&
        h->avctx->codec->capabilities & AV_CODEC_CAP_HWACCEL_VDPAU)
        ff_vdpau_h264_picture_complete(h);
#endif

    if (!in_setup && !h->droppable)
        ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
                                  h->picture_structure == PICT_BOTTOM_FIELD);
    emms_c();

    h->current_slice = 0;

    return err;
}