av_freep(&h->rbsp_buffer);
static int decode_end(AVCodecContext *avctx){    H264Context *h = avctx->priv_data;    MpegEncContext *s = &h->s;        free_tables(h); //FIXME cleanup init stuff perhaps    MPV_common_end(s);//    memset(h, 0, sizeof(H264Context));            return 0;}