fw_cdev_create_iso_context Struct Reference

`#include <dc1394/juju/firewire-cdev.h>`

## Detailed Description

struct fw_cdev_create_iso_context - Create a context for isochronous IO : FW_CDEV_ISO_CONTEXT_TRANSMIT or FW_CDEV_ISO_CONTEXT_RECEIVE : Header size to strip for receive contexts : Channel to bind to : Speed for transmit contexts : To be returned in &fw_cdev_event_iso_interrupt : Handle to context, written back by kernel

Prior to sending or receiving isochronous I/O, a context must be created. The context records information about the transmit or receive configuration and typically maps to an underlying hardware resource. A context is set up for either sending or receiving. It is bound to a specific isochronous channel.

If a context was successfully created, the kernel writes back a handle to the context, which must be passed in for subsequent operations on that context.

For receive contexts, must be at least 4 and must be a multiple of 4.

Note that the effect of a > 4 depends on &fw_cdev_get_info.version, as documented at &fw_cdev_event_iso_interrupt.

The documentation for this struct was generated from the following file:

- dc1394/juju/firewire-cdev.h