int SWFMovie_output(SWFMovie movie, SWFByteOutputMethod method, void *data){
    //, int level) {
    void *fptr;
    int retval;

    fptr = dlsym(_Chming_handle, "SWFMovie_output_chdl");
    if(fptr == NULL) {
        fprintf(_stderr, "Error: %s(): dlsym(): %s\n", __func__,  dlerror());
        return -1;
    }
    dlrunfun(fptr, &retval, SWFMovie_output, movie, method, data); //, level);
    return retval;
}
