Couch co-op configuration

Configure couch co-op for local multiplayer.

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最后更新于 8 个月前

Many Vivox API request and event types include an additional

account_handle

field that identifies a particular user on a device. In those request types, this field is optional; if left unset, the first user who signs in is the default.

注意

No changes are required in the Vivox SDK initialization workflow for the

vx_initialize3()

or the

vx_req_connector_create

request.

To begin a multi-user voice play session, simultaneously sign in multiple users by using the

vx_req_account_anonymous_login

request, with different

account_handle

values specified for each of the different users.

注意

For couch co-op implementations, you receive a unique set of events for each user who is signed in. Use the

account_handle

attribute to differentiate the events for each user. For more information, refer to Network connection state events.

After multiple users are signed in, you must assign them separate render and capture devices. You can design your game to automatically select these devices, or the game can present a UI to allow users to select their specific devices.

To enumerate the list of valid devices, use the

vx_req_aux_get_render_devices

and

vx_req_aux_get_capture_devices

requests.

To set the capture and render devices for each user, you must call
```
vx_req_aux_set_render_device
```
and
```
vx_req_aux_set_capture_device
```
with each user's account handle to assign specific devices to specific users.
注意
This request is required because audio devices are not automatically associated with each user.

Set other device attributes on a per-user basis, such as the mute status, volume, and voice activity detector (VAD) properties, by supplying the corresponding user's

account_handle

in the request type.

You can also add users to their own independent sets of session groups and sessions, or add them to the same sessions. If you add multiple users on the same device to the same session, then use the

vx_req_session_set_participant_mute_for_me

request to locally mute those users to each other so they do not hear an in-channel echo of anyone who is speaking that is physically nearby to them.

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