Bluetooth audio service API description
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Copyright (C) 2004-2007  Marcel Holtmann <marcel@holtmann.org>
Copyright (C) 2005-2006  Johan Hedberg <johan.hedberg@nokia.com>
Copyright (C) 2005-2006  Brad Midgley <bmidgley@xmission.com>


Audio Manager hierarchy
=======================

Interface	org.bluez.audio.Manager
Object path	/org/bluez/audio

Methods		array{string} ListHeadsets()

			Returns list of headset objects that
			are configured.

		string DefaultHeadset()

			Returns the object path for the default
			headset device.

		void ChangeDefaultHeadset(string path)

			Changes the default headset.

		string CreateHeadset(string address)

			Create a new headset device and returns
			its object path on return.

		void RemoveHeadset(string path)

			Removes a headset object and all information
			related to it.

Signals		void HeadsetCreated(string path)

			Sent when a new headset object has been created.

		void HeadsetRemoved(string path)

			Sent when a headset object has been removed.

		void DefaultHeadsetChanged(string path)

			Sent when the default headset has changed.


Audio Headset hierarchy
=======================

Interface	org.bluez.audio.Headset
Object path	/org/bluez/audio/headset*

Methods		void Connect()

		void Disconnect()

		boolean IsConnected()

		void IndicateCall()

			Indicate an incoming call on the headset
			connected to the stream. Will continue to
			ring the headset about every 3 seconds.

		void CancelCall()

			Cancel the incoming call indication.

		void Play()

			Open the audio connection to the headset.

		void Stop()

			Close the audio connection.

		boolean IsPlaying()

			Returns true if an audio connection to the headset
			is active.

Signals		void AnswerRequested()

			Sent when the answer button is pressed on the headset

		void Connected()

			Sent when the device has been connected to.

		void Disconnected()

			Sent when the device has been disconnected from.

		void Stopped()

			Sent when the audio connection is closed

		void Playing()

			Sent when the audio connection is opened

		void SpeakerGainChanged(uint16 gain)

			The speaker gain changed.

		void MicrophoneGainChanged(uint16 gain)

			The microphone gain changed.