Function

ALSASeqget_port_info

Declaration [src]

gboolean
alsaseq_get_port_info (
  guint8 client_id,
  guint8 port_id,
  ALSASeqPortInfo** port_info,
  GError** error
)

Description [src]

Get the information of port in client.

The call of function executes open(2), close(2), and ioctl(2) system calls with SNDRV_SEQ_IOCTL_GET_PORT_INFO command for ALSA sequencer character device.

Parameters

`client_id`	`guint8`
	The numeric identifier of client to query. One of `ALSASeqSpecificClientId` is available as well as any numerica value.
`port_id`	`guint8`
	The numeric identifier of port in the client. One of `ALSASeqSpecificPortId` is available as well as any numeric value.
`port_info`	`ALSASeqPortInfo`
	A `ALSASeqPortInfo` for the port.
	The argument will be set by the function.
	The called function takes ownership of the data, and is responsible for freeing it.
`error`	`GError **`
	The return location for a `GError*`, or `NULL`.

Return value

Returns:	`gboolean`
	`TRUE` when the overall operation finishes successfully, else `FALSE`.