in AmazonChimeSDKDemo/AmazonChimeSDKDemo/VideoModel.swift [470:480]
func addVideoSource(source: RemoteVideoSource, config: VideoSubscriptionConfiguration) {
if isAttendeeIdContentShare(attendeeId: source.attendeeId) {
contentShareRemoteVideoSourceConfigurations[source] = config
} else {
if remoteVideoSourceConfigurations[source] == nil {
pendingRemoteVideoSourceConfigurations[source] = config
} else {
remoteVideoSourceConfigurations[source] = config
}
}
}