The developer key your application has registered with the YouTube API. For more information, see the
With the port from v2 to v3 of the YouTube API in libgdata 0.17.0, it might be necessary to update your application’s developer key.
The locale to use for network requests, in Unix locale format. (e.g. "en_GB", "cs", "de_DE".) Use %NULL for the default "C" locale (typically "en_US").
Typically, this locale will be used by the server-side software to localise results, such as by translating category names, or by choosing geographically relevant search results. This will vary from service to service.
The server-side behaviour is undefined if it doesn't support a given locale.
The #GProxyResolver used to determine a proxy URI.
A timeout, in seconds, for network operations. If the timeout is exceeded, the operation will be cancelled and %GDATA_SERVICE_ERROR_NETWORK_ERROR will be returned.
If the timeout is 0, operations will never time out.
Note that if a #GDataAuthorizer is being used with this #GDataService, the authorizer might also need its timeout setting.
An object which implements #GDataAuthorizer. This should have previously been authenticated authorized against this service type (and potentially other service types). The service will use the authorizer to add an authorization token to each request it performs.
Your application should call methods on the #GDataAuthorizer object itself in order to authenticate with the Google accounts service and authorize against this service type. See the documentation for the particular #GDataAuthorizer implementation being used for more details.
The authorizer for a service can be changed at runtime for a different #GDataAuthorizer object or %NULL without affecting ongoing requests and operations.
Note that it's only necessary to set an authorizer on the service if your application is going to make requests of the service which require authorization. For example, listing the current most popular videos on YouTube does not require authorization, but uploading a video to YouTube does. It's an unnecessary overhead to require the user to authorize against a service when not strictly required.