lo_lowlevel.h File Reference


Typedefs

typedef long double lo_hires
 Type used to represent numerical values in conversions between OSC types.

Functions

int lo_send_message (lo_address targ, const char *path, lo_message msg)
 send a lo_message object to target targ
lo_message lo_message_new ()
 Create a new lo_message object.
void lo_message_free (lo_message m)
 Free memory allocated by lo_message_new and any subsequent lo_message_add*() calls.
void lo_message_add_int32 (lo_message m, int32_t a)
 Append a data item and typechar of the specified type to a message.
void lo_message_add_float (lo_message m, float a)
 Append a data item and typechar of the specified type to a message. See lo_message_add_int32() for details.
void lo_message_add_string (lo_message m, char *a)
 Append a data item and typechar of the specified type to a message. See lo_message_add_int32() for details.
void lo_message_add_blob (lo_message m, lo_blob a)
 Append a data item and typechar of the specified type to a message. See lo_message_add_int32() for details.
void lo_message_add_int64 (lo_message m, int64_t a)
 Append a data item and typechar of the specified type to a message. See lo_message_add_int32() for details.
void lo_message_add_timetag (lo_message m, lo_timetag a)
 Append a data item and typechar of the specified type to a message. See lo_message_add_int32() for details.
void lo_message_add_double (lo_message m, double a)
 Append a data item and typechar of the specified type to a message. See lo_message_add_int32() for details.
void lo_message_add_symbol (lo_message m, char *a)
 Append a data item and typechar of the specified type to a message. See lo_message_add_int32() for details.
void lo_message_add_char (lo_message m, char a)
 Append a data item and typechar of the specified type to a message. See lo_message_add_int32() for details.
void lo_message_add_midi (lo_message m, uint8_t a[4])
 Append a data item and typechar of the specified type to a message. See lo_message_add_int32() for details.
void lo_message_add_true (lo_message m)
 Append a data item and typechar of the specified type to a message. See lo_message_add_int32() for details.
void lo_message_add_false (lo_message m)
 Append a data item and typechar of the specified type to a message. See lo_message_add_int32() for details.
void lo_message_add_nil (lo_message m)
 Append a data item and typechar of the specified type to a message. See lo_message_add_int32() for details.
void lo_message_add_infinitum (lo_message m)
 Append a data item and typechar of the specified type to a message. See lo_message_add_int32() for details.
size_t lo_message_length (lo_message m, const char *path)
 Return the length of a message in bytes.
void * lo_message_serialise (lo_message m, const char *path, size_t *size)
 Serialise the message object to an area of memory and return a pointer to the serialised form.
int lo_is_numerical_type (lo_type a)
 return true if the type specified has a numerical value, such as LO_INT32, LO_FLOAT etc.
int lo_is_string_type (lo_type a)
 return true if the type specified has a textual value, such as LO_STRING or LO_SYMBOL.
int lo_coerce (lo_type type_to, lo_arg *to, lo_type type_from, lo_arg *from)
 attempt to convert one OSC type to another.
lo_hires lo_hires_val (lo_type type, lo_arg *p)
 return the numerical value of the given argument with the maximum native system precision.
size_t lo_arg_size (lo_type type, void *data)
 Return the storage size, in bytes, of the given argument.
void lo_arg_host_endian (lo_type type, void *data)
 Convert the speficed argument to host endianness where neccesary.
lo_server lo_server_new (const char *port, lo_err_handler err_h)
 Create a new server instance.
lo_server lo_server_new_with_proto (const char *port, int proto, lo_err_handler err_h)
 Create a new server instance, specifying protocol.
void lo_server_free (lo_server s)
 Free up memory used by the lo_server object.
int lo_server_recv_noblock (lo_server s, int timeout)
 Look for an OSC message waiting to be received.
int lo_server_recv (lo_server s)
 Block, waiting for an OSC message to be received.
lo_method lo_server_add_method (lo_server s, const char *path, const char *typespec, lo_method_handler h, void *user_data)
 Add an OSC method to the specifed server.
int lo_server_get_socket_fd (lo_server s)
 Return the file descriptor of the server socket.
int lo_server_get_port (lo_server s)
 Return the port number that the server has bound to.
char * lo_server_get_url (lo_server s)
 Return an OSC URL that can be used to contact the server.
char * lo_url_get_protocol (const char *url)
 Return the protocol portion of an OSC URL, eg. udp, tcp.
char * lo_url_get_hostname (const char *url)
 Return the hostname portion of an OSC URL.
char * lo_url_get_port (const char *url)
 Return the port portion of an OSC URL.
char * lo_url_get_path (const char *url)
 Return the path portion of an OSC URL.
int lo_strsize (const char *s)
 A function to calculate the amount of OSC message space required by a C char *.
uint32_t lo_blobsize (lo_blob b)
 A function to calculate the amount of OSC message space required by a lo_blob object.
int lo_send_internal (lo_address t, const char *file, const int line, const char *path, const char *types,...)
 the real send function (don't call directly)
void lo_message_pp (lo_message m)
void lo_arg_pp (lo_type type, void *data)
void lo_server_pp (lo_server s)
void lo_method_pp (lo_method m)
void lo_method_pp_prefix (lo_method m, const char *p)
void lo_server_thread_pp (lo_server_thread st)

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