h->gob_start_code_skipped = 0;
static int h261_decode_init(AVCodecContext *avctx){    H261Context *h= avctx->priv_data;    MpegEncContext * const s = &h->s;    // set defaults    MPV_decode_defaults(s);    s->avctx = avctx;    s->width = s->avctx->width;    s->height = s->avctx->height;    s->codec_id = s->avctx->codec->id;    s->out_format = FMT_H261;    s->low_delay= 1;    avctx->pix_fmt= PIX_FMT_YUV420P;    s->codec_id= avctx->codec->id;    h261_decode_init_vlc(h);    h->bits_left = 0;    h->last_bits = 0;        return 0;}