static int h261_decode_gob_header(H261Context *h){

    unsigned int val;

    MpegEncContext * const s = &h->s;

    

    /* Check for GOB Start Code */

    val = show_bits(&s->gb, 15);

    if(val)

        return -1;



    /* We have a GBSC */

    skip_bits(&s->gb, 16);



    h->gob_number = get_bits(&s->gb, 4); /* GN */

    s->qscale = get_bits(&s->gb, 5); /* GQUANT */



    /* GEI */

    while (get_bits1(&s->gb) != 0) {

        skip_bits(&s->gb, 8);

    }



    if(s->qscale==0)

        return -1;



    // For the first transmitted macroblock in a GOB, MBA is the absolute address. For

    // subsequent macroblocks, MBA is the difference between the absolute addresses of

    // the macroblock and the last transmitted macroblock.

    h->current_mba = 0;

    h->mba_diff = 0;



    return 0;

}

static int h261_decode_gob_header(H261Context *h){

    unsigned int val;

    MpegEncContext * const s = &h->s;

    

    

    val = show_bits(&s->gb, 15);

    if(val)

        return -1;



    

    skip_bits(&s->gb, 16);



    h->gob_number = get_bits(&s->gb, 4); 

    s->qscale = get_bits(&s->gb, 5); 



    

    while (get_bits1(&s->gb) != 0) {

        skip_bits(&s->gb, 8);

    }



    if(s->qscale==0)

        return -1;



    

    

    

    h->current_mba = 0;

    h->mba_diff = 0;



    return 0;

}

    val = show_bits(&s->gb, 15);     if(val)         return -1;     skip_bits(&s->gb, 16);         skip_bits(&s->gb, 8);         return -1;         return -1;
static int FUNC_0(H261Context *VAR_0){

    unsigned int VAR_1;

    MpegEncContext * const s = &VAR_0->s;

    

    

    VAR_1 = show_bits(&s->gb, 15);

    if(VAR_1)

        return -1;



    

    skip_bits(&s->gb, 16);



    VAR_0->gob_number = get_bits(&s->gb, 4); 

    s->qscale = get_bits(&s->gb, 5); 



    

    while (get_bits1(&s->gb) != 0) {

        skip_bits(&s->gb, 8);

    }



    if(s->qscale==0)

        return -1;



    

    

    

    VAR_0->current_mba = 0;

    VAR_0->mba_diff = 0;



    return 0;

}

static int FUNC_0(H261Context *VAR_0){ unsigned int VAR_1; MpegEncContext * const s = &VAR_0->s; VAR_1 = show_bits(&s->gb, 15); if(VAR_1)
return -1; skip_bits(&s->gb, 16); VAR_0->gob_number = get_bits(&s->gb, 4); s->qscale = get_bits(&s->gb, 5); while (get_bits1(&s->gb) != 0) { skip_bits(&s->gb, 8); } if(s->qscale==0)
return -1; VAR_0->current_mba = 0; VAR_0->mba_diff = 0; return 0; }