media_upload_default_tab
Filters the default tab in the legacy (pre-3.5.0) media popup.
WordPress File wp-admin/media-upload.php
media_upload_default_type
Filters the default media upload type in the legacy (pre-3.5.0) media popup.
media_upload_{$tab}
Fires inside limited and specific upload-tab views in the legacy (pre-3.5.0) media popup.
media_upload_{$type}
Fires inside specific upload-type views in the legacy (pre-3.5.0) media popup based on the current tab.