int get_afhi_of_row(const struct osl_row *row, struct afh_info *afhi);
int get_audio_file_path_of_row(const struct osl_row *row, char **path);
int audio_file_loop(void *private_data, osl_rbtree_loop_func *func);
int get_afhi_of_row(const struct osl_row *row, struct afh_info *afhi);
int get_audio_file_path_of_row(const struct osl_row *row, char **path);
int audio_file_loop(void *private_data, osl_rbtree_loop_func *func);