static int prebuffer_parse_config(int argc, char **argv, void **config)
{
struct prebuffer_filter_args_info *conf = para_calloc(sizeof(*conf));
static int prebuffer_parse_config(int argc, char **argv, void **config)
{
struct prebuffer_filter_args_info *conf = para_calloc(sizeof(*conf));
prebuffer_filter_cmdline_parser(argc, argv, conf);
ret = -ERRNO_TO_PARA_ERROR(EINVAL);
prebuffer_filter_cmdline_parser(argc, argv, conf);
ret = -ERRNO_TO_PARA_ERROR(EINVAL);