libraw1394: version 2.0.4
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raw1394_get_port_info

Name

raw1394_get_port_info --  get information about available ports

Synopsis

int raw1394_get_port_info (raw1394handle_t handle, struct raw1394_portinfo * pinf, int maxports);

Arguments

handle

libraw1394 handle

pinf

pointer to an array of struct raw1394_portinfo

maxports

number of elements in pinf

Description

Before you can set which port to use, you have to use this function to find out which ports exist.

If your program is interactive, you should present the user with this list to let them decide which port to use if there is more than one. A non-interactive program (and probably interactive ones, too) should provide a command line option to choose the port. If maxports is 0, pinf can be NULL, too.

Returns

the number of ports and writes information about them into pinf, but not into more than maxports elements.

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