Move AudioDevice* from android.media -> a.m.audio.common SAIDL (f4a75367) · Commits · e / os / android_frameworks_av

media/libaudioclient/AidlConversion.cpp

+75 −73

Original line number	Diff line number	Diff line
		@@ -38,6 +38,8 @@ using media::audio::common::AudioChannelLayout;
		using media::audio::common::AudioConfig;
		using media::audio::common::AudioConfigBase;
		using media::audio::common::AudioContentType;
		using media::audio::common::AudioDeviceDescription;
		using media::audio::common::AudioDeviceType;
		using media::audio::common::AudioEncapsulationMetadataType;
		using media::audio::common::AudioEncapsulationMode;
		using media::audio::common::AudioEncapsulationType;
		@@ -406,7 +408,7 @@ namespace {
		namespace detail {
		using AudioChannelPair = std::pair<audio_channel_mask_t, AudioChannelLayout>;
		using AudioChannelPairs = std::vector<AudioChannelPair>;
		using AudioDevicePair = std::pair<audio_devices_t, media::AudioDeviceDescription>;
		using AudioDevicePair = std::pair<audio_devices_t, AudioDeviceDescription>;
		using AudioDevicePairs = std::vector<AudioDevicePair>;
		using AudioFormatPair = std::pair<audio_format_t, AudioFormatDescription>;
		using AudioFormatPairs = std::vector<AudioFormatPair>;
		@@ -494,9 +496,9 @@ const detail::AudioChannelPairs& getVoiceAudioChannelPairs() {
		return pairs;
		}

		media::AudioDeviceDescription make_AudioDeviceDescription(media::AudioDeviceType type,
		AudioDeviceDescription make_AudioDeviceDescription(AudioDeviceType type,
		const std::string& connection = "") {
		media::AudioDeviceDescription result;
		AudioDeviceDescription result;
		result.type = type;
		result.connection = connection;
		return result;
		@@ -504,7 +506,7 @@ media::AudioDeviceDescription make_AudioDeviceDescription(media::AudioDeviceType

		void append_AudioDeviceDescription(detail::AudioDevicePairs& pairs,
		audio_devices_t inputType, audio_devices_t outputType,
		media::AudioDeviceType inType, media::AudioDeviceType outType,
		AudioDeviceType inType, AudioDeviceType outType,
		const std::string& connection = "") {
		pairs.push_back(std::make_pair(inputType, make_AudioDeviceDescription(inType, connection)));
		pairs.push_back(std::make_pair(outputType, make_AudioDeviceDescription(outType, connection)));
		@@ -514,174 +516,174 @@ const detail::AudioDevicePairs& getAudioDevicePairs() {
		static const detail::AudioDevicePairs pairs = []() {
		detail::AudioDevicePairs pairs = {{
		{
		AUDIO_DEVICE_NONE, media::AudioDeviceDescription{}
		AUDIO_DEVICE_NONE, AudioDeviceDescription{}
		},
		{
		AUDIO_DEVICE_OUT_EARPIECE, make_AudioDeviceDescription(
		media::AudioDeviceType::OUT_SPEAKER_EARPIECE)
		AudioDeviceType::OUT_SPEAKER_EARPIECE)
		},
		{
		AUDIO_DEVICE_OUT_SPEAKER, make_AudioDeviceDescription(
		media::AudioDeviceType::OUT_SPEAKER)
		AudioDeviceType::OUT_SPEAKER)
		},
		{
		AUDIO_DEVICE_OUT_WIRED_HEADPHONE, make_AudioDeviceDescription(
		media::AudioDeviceType::OUT_HEADPHONE,
		media::AudioDeviceDescription::CONNECTION_ANALOG())
		AudioDeviceType::OUT_HEADPHONE,
		AudioDeviceDescription::CONNECTION_ANALOG())
		},
		{
		AUDIO_DEVICE_OUT_BLUETOOTH_SCO, make_AudioDeviceDescription(
		media::AudioDeviceType::OUT_DEVICE,
		media::AudioDeviceDescription::CONNECTION_BT_SCO())
		AudioDeviceType::OUT_DEVICE,
		AudioDeviceDescription::CONNECTION_BT_SCO())
		},
		{
		AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT, make_AudioDeviceDescription(
		media::AudioDeviceType::OUT_CARKIT,
		media::AudioDeviceDescription::CONNECTION_BT_SCO())
		AudioDeviceType::OUT_CARKIT,
		AudioDeviceDescription::CONNECTION_BT_SCO())
		},
		{
		AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES, make_AudioDeviceDescription(
		media::AudioDeviceType::OUT_HEADPHONE,
		media::AudioDeviceDescription::CONNECTION_BT_A2DP())
		AudioDeviceType::OUT_HEADPHONE,
		AudioDeviceDescription::CONNECTION_BT_A2DP())
		},
		{
		AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER, make_AudioDeviceDescription(
		media::AudioDeviceType::OUT_SPEAKER,
		media::AudioDeviceDescription::CONNECTION_BT_A2DP())
		AudioDeviceType::OUT_SPEAKER,
		AudioDeviceDescription::CONNECTION_BT_A2DP())
		},
		{
		AUDIO_DEVICE_OUT_TELEPHONY_TX, make_AudioDeviceDescription(
		media::AudioDeviceType::OUT_TELEPHONY_TX)
		AudioDeviceType::OUT_TELEPHONY_TX)
		},
		{
		AUDIO_DEVICE_OUT_AUX_LINE, make_AudioDeviceDescription(
		media::AudioDeviceType::OUT_LINE_AUX)
		AudioDeviceType::OUT_LINE_AUX)
		},
		{
		AUDIO_DEVICE_OUT_SPEAKER_SAFE, make_AudioDeviceDescription(
		media::AudioDeviceType::OUT_SPEAKER_SAFE)
		AudioDeviceType::OUT_SPEAKER_SAFE)
		},
		{
		AUDIO_DEVICE_OUT_HEARING_AID, make_AudioDeviceDescription(
		media::AudioDeviceType::OUT_HEARING_AID,
		media::AudioDeviceDescription::CONNECTION_WIRELESS())
		AudioDeviceType::OUT_HEARING_AID,
		AudioDeviceDescription::CONNECTION_WIRELESS())
		},
		{
		AUDIO_DEVICE_OUT_ECHO_CANCELLER, make_AudioDeviceDescription(
		media::AudioDeviceType::OUT_ECHO_CANCELLER)
		AudioDeviceType::OUT_ECHO_CANCELLER)
		},
		{
		AUDIO_DEVICE_OUT_BLE_SPEAKER, make_AudioDeviceDescription(
		media::AudioDeviceType::OUT_SPEAKER,
		media::AudioDeviceDescription::CONNECTION_BT_LE())
		AudioDeviceType::OUT_SPEAKER,
		AudioDeviceDescription::CONNECTION_BT_LE())
		},
		// AUDIO_DEVICE_IN_AMBIENT and IN_COMMUNICATION are removed since they were deprecated.
		{
		AUDIO_DEVICE_IN_BUILTIN_MIC, make_AudioDeviceDescription(
		media::AudioDeviceType::IN_MICROPHONE)
		AudioDeviceType::IN_MICROPHONE)
		},
		{
		AUDIO_DEVICE_IN_BACK_MIC, make_AudioDeviceDescription(
		media::AudioDeviceType::IN_MICROPHONE_BACK)
		AudioDeviceType::IN_MICROPHONE_BACK)
		},
		{
		AUDIO_DEVICE_IN_TELEPHONY_RX, make_AudioDeviceDescription(
		media::AudioDeviceType::IN_TELEPHONY_RX)
		AudioDeviceType::IN_TELEPHONY_RX)
		},
		{
		AUDIO_DEVICE_IN_TV_TUNER, make_AudioDeviceDescription(
		media::AudioDeviceType::IN_TV_TUNER)
		AudioDeviceType::IN_TV_TUNER)
		},
		{
		AUDIO_DEVICE_IN_LOOPBACK, make_AudioDeviceDescription(
		media::AudioDeviceType::IN_LOOPBACK)
		AudioDeviceType::IN_LOOPBACK)
		},
		{
		AUDIO_DEVICE_IN_BLUETOOTH_BLE, make_AudioDeviceDescription(
		media::AudioDeviceType::IN_DEVICE,
		media::AudioDeviceDescription::CONNECTION_BT_LE())
		AudioDeviceType::IN_DEVICE,
		AudioDeviceDescription::CONNECTION_BT_LE())
		},
		{
		AUDIO_DEVICE_IN_ECHO_REFERENCE, make_AudioDeviceDescription(
		media::AudioDeviceType::IN_ECHO_REFERENCE)
		AudioDeviceType::IN_ECHO_REFERENCE)
		}
		}};
		append_AudioDeviceDescription(pairs,
		AUDIO_DEVICE_IN_DEFAULT, AUDIO_DEVICE_OUT_DEFAULT,
		media::AudioDeviceType::IN_DEFAULT, media::AudioDeviceType::OUT_DEFAULT);
		AudioDeviceType::IN_DEFAULT, AudioDeviceType::OUT_DEFAULT);
		append_AudioDeviceDescription(pairs,
		AUDIO_DEVICE_IN_WIRED_HEADSET, AUDIO_DEVICE_OUT_WIRED_HEADSET,
		media::AudioDeviceType::IN_HEADSET, media::AudioDeviceType::OUT_HEADSET,
		media::AudioDeviceDescription::CONNECTION_ANALOG());
		AudioDeviceType::IN_HEADSET, AudioDeviceType::OUT_HEADSET,
		AudioDeviceDescription::CONNECTION_ANALOG());
		append_AudioDeviceDescription(pairs,
		AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET, AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET,
		media::AudioDeviceType::IN_HEADSET, media::AudioDeviceType::OUT_HEADSET,
		media::AudioDeviceDescription::CONNECTION_BT_SCO());
		AudioDeviceType::IN_HEADSET, AudioDeviceType::OUT_HEADSET,
		AudioDeviceDescription::CONNECTION_BT_SCO());
		append_AudioDeviceDescription(pairs,
		AUDIO_DEVICE_IN_HDMI, AUDIO_DEVICE_OUT_HDMI,
		media::AudioDeviceType::IN_DEVICE, media::AudioDeviceType::OUT_DEVICE,
		media::AudioDeviceDescription::CONNECTION_HDMI());
		AudioDeviceType::IN_DEVICE, AudioDeviceType::OUT_DEVICE,
		AudioDeviceDescription::CONNECTION_HDMI());
		append_AudioDeviceDescription(pairs,
		AUDIO_DEVICE_IN_REMOTE_SUBMIX, AUDIO_DEVICE_OUT_REMOTE_SUBMIX,
		media::AudioDeviceType::IN_SUBMIX, media::AudioDeviceType::OUT_SUBMIX);
		AudioDeviceType::IN_SUBMIX, AudioDeviceType::OUT_SUBMIX);
		append_AudioDeviceDescription(pairs,
		AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET, AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET,
		media::AudioDeviceType::IN_HEADSET, media::AudioDeviceType::OUT_HEADSET,
		media::AudioDeviceDescription::CONNECTION_ANALOG_DOCK());
		AudioDeviceType::IN_HEADSET, AudioDeviceType::OUT_HEADSET,
		AudioDeviceDescription::CONNECTION_ANALOG_DOCK());
		append_AudioDeviceDescription(pairs,
		AUDIO_DEVICE_IN_DGTL_DOCK_HEADSET, AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET,
		media::AudioDeviceType::IN_HEADSET, media::AudioDeviceType::OUT_HEADSET,
		media::AudioDeviceDescription::CONNECTION_DIGITAL_DOCK());
		AudioDeviceType::IN_HEADSET, AudioDeviceType::OUT_HEADSET,
		AudioDeviceDescription::CONNECTION_DIGITAL_DOCK());
		append_AudioDeviceDescription(pairs,
		AUDIO_DEVICE_IN_USB_ACCESSORY, AUDIO_DEVICE_OUT_USB_ACCESSORY,
		media::AudioDeviceType::IN_ACCESSORY, media::AudioDeviceType::OUT_ACCESSORY,
		media::AudioDeviceDescription::CONNECTION_USB());
		AudioDeviceType::IN_ACCESSORY, AudioDeviceType::OUT_ACCESSORY,
		AudioDeviceDescription::CONNECTION_USB());
		append_AudioDeviceDescription(pairs,
		AUDIO_DEVICE_IN_USB_DEVICE, AUDIO_DEVICE_OUT_USB_DEVICE,
		media::AudioDeviceType::IN_DEVICE, media::AudioDeviceType::OUT_DEVICE,
		media::AudioDeviceDescription::CONNECTION_USB());
		AudioDeviceType::IN_DEVICE, AudioDeviceType::OUT_DEVICE,
		AudioDeviceDescription::CONNECTION_USB());
		append_AudioDeviceDescription(pairs,
		AUDIO_DEVICE_IN_FM_TUNER, AUDIO_DEVICE_OUT_FM,
		media::AudioDeviceType::IN_FM_TUNER, media::AudioDeviceType::OUT_FM);
		AudioDeviceType::IN_FM_TUNER, AudioDeviceType::OUT_FM);
		append_AudioDeviceDescription(pairs,
		AUDIO_DEVICE_IN_LINE, AUDIO_DEVICE_OUT_LINE,
		media::AudioDeviceType::IN_DEVICE, media::AudioDeviceType::OUT_DEVICE,
		media::AudioDeviceDescription::CONNECTION_ANALOG());
		AudioDeviceType::IN_DEVICE, AudioDeviceType::OUT_DEVICE,
		AudioDeviceDescription::CONNECTION_ANALOG());
		append_AudioDeviceDescription(pairs,
		AUDIO_DEVICE_IN_SPDIF, AUDIO_DEVICE_OUT_SPDIF,
		media::AudioDeviceType::IN_DEVICE, media::AudioDeviceType::OUT_DEVICE,
		media::AudioDeviceDescription::CONNECTION_SPDIF());
		AudioDeviceType::IN_DEVICE, AudioDeviceType::OUT_DEVICE,
		AudioDeviceDescription::CONNECTION_SPDIF());
		append_AudioDeviceDescription(pairs,
		AUDIO_DEVICE_IN_BLUETOOTH_A2DP, AUDIO_DEVICE_OUT_BLUETOOTH_A2DP,
		media::AudioDeviceType::IN_DEVICE, media::AudioDeviceType::OUT_DEVICE,
		media::AudioDeviceDescription::CONNECTION_BT_A2DP());
		AudioDeviceType::IN_DEVICE, AudioDeviceType::OUT_DEVICE,
		AudioDeviceDescription::CONNECTION_BT_A2DP());
		append_AudioDeviceDescription(pairs,
		AUDIO_DEVICE_IN_IP, AUDIO_DEVICE_OUT_IP,
		media::AudioDeviceType::IN_DEVICE, media::AudioDeviceType::OUT_DEVICE,
		media::AudioDeviceDescription::CONNECTION_IP_V4());
		AudioDeviceType::IN_DEVICE, AudioDeviceType::OUT_DEVICE,
		AudioDeviceDescription::CONNECTION_IP_V4());
		append_AudioDeviceDescription(pairs,
		AUDIO_DEVICE_IN_BUS, AUDIO_DEVICE_OUT_BUS,
		media::AudioDeviceType::IN_DEVICE, media::AudioDeviceType::OUT_DEVICE,
		media::AudioDeviceDescription::CONNECTION_BUS());
		AudioDeviceType::IN_DEVICE, AudioDeviceType::OUT_DEVICE,
		AudioDeviceDescription::CONNECTION_BUS());
		append_AudioDeviceDescription(pairs,
		AUDIO_DEVICE_IN_PROXY, AUDIO_DEVICE_OUT_PROXY,
		media::AudioDeviceType::IN_AFE_PROXY, media::AudioDeviceType::OUT_AFE_PROXY);
		AudioDeviceType::IN_AFE_PROXY, AudioDeviceType::OUT_AFE_PROXY);
		append_AudioDeviceDescription(pairs,
		AUDIO_DEVICE_IN_USB_HEADSET, AUDIO_DEVICE_OUT_USB_HEADSET,
		media::AudioDeviceType::IN_HEADSET, media::AudioDeviceType::OUT_HEADSET,
		media::AudioDeviceDescription::CONNECTION_USB());
		AudioDeviceType::IN_HEADSET, AudioDeviceType::OUT_HEADSET,
		AudioDeviceDescription::CONNECTION_USB());
		append_AudioDeviceDescription(pairs,
		AUDIO_DEVICE_IN_HDMI_ARC, AUDIO_DEVICE_OUT_HDMI_ARC,
		media::AudioDeviceType::IN_DEVICE, media::AudioDeviceType::OUT_DEVICE,
		media::AudioDeviceDescription::CONNECTION_HDMI_ARC());
		AudioDeviceType::IN_DEVICE, AudioDeviceType::OUT_DEVICE,
		AudioDeviceDescription::CONNECTION_HDMI_ARC());
		append_AudioDeviceDescription(pairs,
		AUDIO_DEVICE_IN_HDMI_EARC, AUDIO_DEVICE_OUT_HDMI_EARC,
		media::AudioDeviceType::IN_DEVICE, media::AudioDeviceType::OUT_DEVICE,
		media::AudioDeviceDescription::CONNECTION_HDMI_EARC());
		AudioDeviceType::IN_DEVICE, AudioDeviceType::OUT_DEVICE,
		AudioDeviceDescription::CONNECTION_HDMI_EARC());
		append_AudioDeviceDescription(pairs,
		AUDIO_DEVICE_IN_BLE_HEADSET, AUDIO_DEVICE_OUT_BLE_HEADSET,
		media::AudioDeviceType::IN_HEADSET, media::AudioDeviceType::OUT_HEADSET,
		media::AudioDeviceDescription::CONNECTION_BT_LE());
		AudioDeviceType::IN_HEADSET, AudioDeviceType::OUT_HEADSET,
		AudioDeviceDescription::CONNECTION_BT_LE());
		return pairs;
		}();
		return pairs;
		@@ -1135,8 +1137,8 @@ ConversionResult<AudioChannelLayout> legacy2aidl_audio_channel_mask_t_AudioChann
		}

		ConversionResult<audio_devices_t> aidl2legacy_AudioDeviceDescription_audio_devices_t(
		const media::AudioDeviceDescription& aidl) {
		static const std::unordered_map<media::AudioDeviceDescription, audio_devices_t> m =
		const AudioDeviceDescription& aidl) {
		static const std::unordered_map<AudioDeviceDescription, audio_devices_t> m =
		make_ReverseMap(getAudioDevicePairs());
		if (auto it = m.find(aidl); it != m.end()) {
		return it->second;
		@@ -1146,9 +1148,9 @@ ConversionResult<audio_devices_t> aidl2legacy_AudioDeviceDescription_audio_devic
		}
		}

		ConversionResult<media::AudioDeviceDescription> legacy2aidl_audio_devices_t_AudioDeviceDescription(
		ConversionResult<AudioDeviceDescription> legacy2aidl_audio_devices_t_AudioDeviceDescription(
		audio_devices_t legacy) {
		static const std::unordered_map<audio_devices_t, media::AudioDeviceDescription> m =
		static const std::unordered_map<audio_devices_t, AudioDeviceDescription> m =
		make_DirectMap(getAudioDevicePairs());
		if (auto it = m.find(legacy); it != m.end()) {
		return it->second;

media/libaudioclient/Android.bp

+0 −3

Original line number	Diff line number	Diff line
		@@ -312,9 +312,6 @@ aidl_interface {
		srcs: [
		"aidl/android/media/AudioAttributesInternal.aidl",
		"aidl/android/media/AudioClient.aidl",
		"aidl/android/media/AudioDevice.aidl",
		"aidl/android/media/AudioDeviceDescription.aidl",
		"aidl/android/media/AudioDeviceType.aidl",
		"aidl/android/media/AudioDualMonoMode.aidl",
		"aidl/android/media/AudioFlag.aidl",
		"aidl/android/media/AudioGain.aidl",

media/libaudioclient/AudioSystem.cpp

+34 −32

File changed.

Preview size limit exceeded, changes collapsed.

media/libaudioclient/aidl/android/media/AudioDevice.aidl

deleted100644 → 0

+0 −27

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2020 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package android.media;

		import android.media.AudioDeviceDescription;

		/**
		* {@hide}
		*/
		parcelable AudioDevice {
		AudioDeviceDescription type;
		@utf8InCpp String address;
		}

media/libaudioclient/aidl/android/media/AudioDeviceDescription.aidl

deleted100644 → 0

+0 −101

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2021 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package android.media;

		import android.media.AudioDeviceType;

		parcelable AudioDeviceDescription {
		/**
		* Type and directionality of the device. For bidirectional audio devices
		* two descriptions need to be created, having the same value for
		* the 'connection' field.
		*
		* See 'AudioDeviceType' for the list of supported values.
		*/
		AudioDeviceType type = AudioDeviceType.NONE;
		/**
		* Specifies the type of the connection of the device to the audio system.
		* Usually it's some kind of a communication protocol, e.g. Bluetooth SCO or
		* USB. There is a list of connection types recognized by the framework,
		* defined using 'CONNECTION_' constants. Vendors can add their own
		* connection types with "vx.<vendor>." prefix.
		*
		* When the 'connection' field is left empty and 'type != NONE \| DEFAULT',
		* it is assumed that the device is permanently attached to the audio
		* system, e.g. a built-in speaker or microphone.
		*
		* The 'connection' field must be left empty if 'type' is 'NONE' or
		* '{IN\|OUT}_DEFAULT'.
		*/
		@utf8InCpp String connection;
		/**
		* Analog connection, for example, via 3.5 mm analog jack.
		*/
		const @utf8InCpp String CONNECTION_ANALOG = "analog";
		/**
		* Low-End (Analog) Desk Dock.
		*/
		const @utf8InCpp String CONNECTION_ANALOG_DOCK = "analog-dock";
		/**
		* Bluetooth A2DP connection.
		*/
		const @utf8InCpp String CONNECTION_BT_A2DP = "bt-a2dp";
		/**
		* Bluetooth Low Energy (LE) connection.
		*/
		const @utf8InCpp String CONNECTION_BT_LE = "bt-le";
		/**
		* Bluetooth SCO connection.
		*/
		const @utf8InCpp String CONNECTION_BT_SCO = "bt-sco";
		/**
		* Bus connection. Mostly used in automotive scenarios.
		*/
		const @utf8InCpp String CONNECTION_BUS = "bus";
		/**
		* High-End (Digital) Desk Dock.
		*/
		const @utf8InCpp String CONNECTION_DIGITAL_DOCK = "digital-dock";
		/**
		* HDMI connection.
		*/
		const @utf8InCpp String CONNECTION_HDMI = "hdmi";
		/**
		* HDMI ARC connection.
		*/
		const @utf8InCpp String CONNECTION_HDMI_ARC = "hdmi-arc";
		/**
		* HDMI eARC connection.
		*/
		const @utf8InCpp String CONNECTION_HDMI_EARC = "hdmi-earc";
		/**
		* IP v4 connection.
		*/
		const @utf8InCpp String CONNECTION_IP_V4 = "ip-v4";
		/**
		* SPDIF connection.
		*/
		const @utf8InCpp String CONNECTION_SPDIF = "spdif";
		/**
		* A wireless connection when the actual protocol is unspecified.
		*/
		const @utf8InCpp String CONNECTION_WIRELESS = "wireless";
		/**
		* USB connection.
		*/
		const @utf8InCpp String CONNECTION_USB = "usb";
		}