unsigned int len = get_bits(&s->gb, 16);
int len = get_bits(&s->gb, 16);
static int mjpeg_decode_com(MJpegDecodeContext *s){    /* XXX: verify len field validity */    unsigned int len = get_bits(&s->gb, 16);    if (len >= 2 && len < 32768) {	/* XXX: any better upper bound */	uint8_t *cbuf = av_malloc(len - 1);	if (cbuf) {	    int i;	    for (i = 0; i < len - 2; i++)		cbuf[i] = get_bits(&s->gb, 8);	    if (i > 0 && cbuf[i-1] == '\n')		cbuf[i-1] = 0;	    else		cbuf[i] = 0;	    printf("mjpeg comment: '%s'\n", cbuf);	    /* buggy avid, it puts EOI only at every 10th frame */	    if (!strcmp(cbuf, "AVID"))	    {		s->buggy_avid = 1;		//	if (s->first_picture)		//	    printf("mjpeg: workarounding buggy AVID\n");	    }	    av_free(cbuf);	}    }    return 0;}