getAudioSources method
This command lists all available physical audio inputs of the device.
Implementation
Future<List<AudioSource>> getAudioSources() async {
// Future<void> getAudioSources() async {
final envelope = await Soap.retrieveEnvlope(
uri, onvif.secureRequest(SoapRequest.audioSources()));
if (envelope.body.audioSourcesResponse == null) throw Exception();
return [envelope.body.audioSourcesResponse!.audioSource];
}