Function hb_decomb_work

libhb/decomb.c:572–611

}

static int hb_decomb_work(hb_filter_object_t *filter,
                          hb_buffer_t **buf_in,
                          hb_buffer_t **buf_out)
{
    hb_filter_private_t *pv = filter->private_data;
    hb_buffer_t *in = *buf_in;

    // Input buffer is always consumed.
    *buf_in = NULL;
    if (in->s.flags & HB_BUF_FLAG_EOF)
    {
        if (pv->ref[2] != NULL)
        {
            // Duplicate last frame and process refs
            store_ref(pv, hb_buffer_shallow_dup(pv->ref[2]));
            process_frame(pv);
        }
        hb_buffer_list_append(&pv->out_list, in);
        *buf_out = hb_buffer_list_clear(&pv->out_list);
        return HB_FILTER_DONE;
    }

    // yadif requires 3 buffers, prev, cur, and next.  For the first
    // frame, there can be no prev, so we duplicate the first frame.
    if (!pv->ready)
    {
        // If yadif is not ready, store another ref and return HB_FILTER_DELAY
        store_ref(pv, hb_buffer_shallow_dup(in));
        store_ref(pv, in);
        pv->ready = 1;
        // Wait for next
        return HB_FILTER_DELAY;
    }

    store_ref(pv, in);
    process_frame(pv);

    *buf_out = hb_buffer_list_clear(&pv->out_list);
    return HB_FILTER_OK;
}