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A library jar that provides APIs for Applications written for the Google Android Platform.
/*
* Copyright (C) 2014 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.Manifest;
import android.annotation.IntDef;
import android.annotation.NonNull;
import android.annotation.RequiresPermission;
import android.annotation.TestApi;
import android.util.SparseIntArray;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.util.List;
import java.util.Objects;
import java.util.TreeSet;
/**
* Provides information about an audio device.
*/
public final class AudioDeviceInfo {
/**
* A device type associated with an unknown or uninitialized device.
*/
public static final int TYPE_UNKNOWN = 0;
/**
* A device type describing the attached earphone speaker.
*/
public static final int TYPE_BUILTIN_EARPIECE = 1;
/**
* A device type describing the speaker system (i.e. a mono speaker or stereo speakers) built
* in a device.
*/
public static final int TYPE_BUILTIN_SPEAKER = 2;
/**
* A device type describing a headset, which is the combination of a headphones and microphone.
*/
public static final int TYPE_WIRED_HEADSET = 3;
/**
* A device type describing a pair of wired headphones.
*/
public static final int TYPE_WIRED_HEADPHONES = 4;
/**
* A device type describing an analog line-level connection.
*/
public static final int TYPE_LINE_ANALOG = 5;
/**
* A device type describing a digital line connection (e.g. SPDIF).
*/
public static final int TYPE_LINE_DIGITAL = 6;
/**
* A device type describing a Bluetooth device typically used for telephony.
*/
public static final int TYPE_BLUETOOTH_SCO = 7;
/**
* A device type describing a Bluetooth device supporting the A2DP profile.
*/
public static final int TYPE_BLUETOOTH_A2DP = 8;
/**
* A device type describing an HDMI connection .
*/
public static final int TYPE_HDMI = 9;
/**
* A device type describing the Audio Return Channel of an HDMI connection.
*/
public static final int TYPE_HDMI_ARC = 10;
/**
* A device type describing a USB audio device.
*/
public static final int TYPE_USB_DEVICE = 11;
/**
* A device type describing a USB audio device in accessory mode.
*/
public static final int TYPE_USB_ACCESSORY = 12;
/**
* A device type describing the audio device associated with a dock.
*/
public static final int TYPE_DOCK = 13;
/**
* A device type associated with the transmission of audio signals over FM.
*/
public static final int TYPE_FM = 14;
/**
* A device type describing the microphone(s) built in a device.
*/
public static final int TYPE_BUILTIN_MIC = 15;
/**
* A device type for accessing the audio content transmitted over FM.
*/
public static final int TYPE_FM_TUNER = 16;
/**
* A device type for accessing the audio content transmitted over the TV tuner system.
*/
public static final int TYPE_TV_TUNER = 17;
/**
* A device type describing the transmission of audio signals over the telephony network.
*/
public static final int TYPE_TELEPHONY = 18;
/**
* A device type describing the auxiliary line-level connectors.
*/
public static final int TYPE_AUX_LINE = 19;
/**
* A device type connected over IP.
*/
public static final int TYPE_IP = 20;
/**
* A type-agnostic device used for communication with external audio systems
*/
public static final int TYPE_BUS = 21;
/**
* A device type describing a USB audio headset.
*/
public static final int TYPE_USB_HEADSET = 22;
/**
* A device type describing a Hearing Aid.
*/
public static final int TYPE_HEARING_AID = 23;
/**
* A device type describing the speaker system (i.e. a mono speaker or stereo speakers) built
* in a device, that is specifically tuned for outputting sounds like notifications and alarms
* (i.e. sounds the user couldn't necessarily anticipate).
* Note that this physical audio device may be the same as {@link #TYPE_BUILTIN_SPEAKER}
* but is driven differently to safely accommodate the different use case.
*/
public static final int TYPE_BUILTIN_SPEAKER_SAFE = 24;
/**
* A device type for rerouting audio within the Android framework between mixes and
* system applications.
* This type is for instance encountered when querying the output device of a track
* (with {@link AudioTrack#getRoutedDevice()} playing from a device in screen mirroring mode,
* where the audio is not heard on the device, but on the remote device.
*/
// Typically created when using
// {@link android.media.audiopolicy.AudioPolicy} for mixes created with the
// {@link android.media.audiopolicy.AudioMix#ROUTE_FLAG_LOOP_BACK} flag.
public static final int TYPE_REMOTE_SUBMIX = 25;
/**
* A device type describing a Bluetooth Low Energy (BLE) audio headset or headphones.
* Headphones are grouped with headsets when the device is a sink:
* the features of headsets and headphones with regard to playback are the same.
*/
public static final int TYPE_BLE_HEADSET = 26;
/**
* A device type describing a Bluetooth Low Energy (BLE) audio speaker.
*/
public static final int TYPE_BLE_SPEAKER = 27;
/**
* A device type describing an Echo Canceller loopback Reference.
* This device is only used when capturing with MediaRecorder.AudioSource.ECHO_REFERENCE,
* which requires privileged permission
* {@link android.Manifest.permission#CAPTURE_AUDIO_OUTPUT}.
* @hide */
@RequiresPermission(Manifest.permission.CAPTURE_AUDIO_OUTPUT)
public static final int TYPE_ECHO_REFERENCE = 28;
/**
* A device type describing the Enhanced Audio Return Channel of an HDMI connection.
*/
public static final int TYPE_HDMI_EARC = 29;
/** @hide */
@IntDef(flag = false, prefix = "TYPE", value = {
TYPE_BUILTIN_EARPIECE,
TYPE_BUILTIN_SPEAKER,
TYPE_WIRED_HEADSET,
TYPE_WIRED_HEADPHONES,
TYPE_BLUETOOTH_SCO,
TYPE_BLUETOOTH_A2DP,
TYPE_HDMI,
TYPE_DOCK,
TYPE_USB_ACCESSORY,
TYPE_USB_DEVICE,
TYPE_USB_HEADSET,
TYPE_TELEPHONY,
TYPE_LINE_ANALOG,
TYPE_HDMI_ARC,
TYPE_HDMI_EARC,
TYPE_LINE_DIGITAL,
TYPE_FM,
TYPE_AUX_LINE,
TYPE_IP,
TYPE_BUS,
TYPE_HEARING_AID,
TYPE_BUILTIN_MIC,
TYPE_FM_TUNER,
TYPE_TV_TUNER,
TYPE_BUILTIN_SPEAKER_SAFE,
TYPE_REMOTE_SUBMIX,
TYPE_BLE_HEADSET,
TYPE_BLE_SPEAKER,
TYPE_ECHO_REFERENCE}
)
@Retention(RetentionPolicy.SOURCE)
public @interface AudioDeviceType {}
/** @hide */
@IntDef(flag = false, prefix = "TYPE", value = {
TYPE_BUILTIN_MIC,
TYPE_BLUETOOTH_SCO,
TYPE_BLUETOOTH_A2DP,
TYPE_WIRED_HEADSET,
TYPE_HDMI,
TYPE_TELEPHONY,
TYPE_DOCK,
TYPE_USB_ACCESSORY,
TYPE_USB_DEVICE,
TYPE_USB_HEADSET,
TYPE_FM_TUNER,
TYPE_TV_TUNER,
TYPE_LINE_ANALOG,
TYPE_LINE_DIGITAL,
TYPE_IP,
TYPE_BUS,
TYPE_REMOTE_SUBMIX,
TYPE_BLE_HEADSET,
TYPE_HDMI_ARC,
TYPE_HDMI_EARC,
TYPE_ECHO_REFERENCE}
)
@Retention(RetentionPolicy.SOURCE)
public @interface AudioDeviceTypeIn {}
/** @hide */
@IntDef(flag = false, prefix = "TYPE", value = {
TYPE_BUILTIN_EARPIECE,
TYPE_BUILTIN_SPEAKER,
TYPE_WIRED_HEADSET,
TYPE_WIRED_HEADPHONES,
TYPE_BLUETOOTH_SCO,
TYPE_BLUETOOTH_A2DP,
TYPE_HDMI,
TYPE_DOCK,
TYPE_USB_ACCESSORY,
TYPE_USB_DEVICE,
TYPE_USB_HEADSET,
TYPE_TELEPHONY,
TYPE_LINE_ANALOG,
TYPE_HDMI_ARC,
TYPE_HDMI_EARC,
TYPE_LINE_DIGITAL,
TYPE_FM,
TYPE_AUX_LINE,
TYPE_IP,
TYPE_BUS,
TYPE_HEARING_AID,
TYPE_BUILTIN_SPEAKER_SAFE,
TYPE_BLE_HEADSET,
TYPE_BLE_SPEAKER}
)
@Retention(RetentionPolicy.SOURCE)
public @interface AudioDeviceTypeOut {}
/** @hide */
/*package*/ static boolean isValidAudioDeviceTypeOut(int type) {
switch (type) {
case TYPE_BUILTIN_EARPIECE:
case TYPE_BUILTIN_SPEAKER:
case TYPE_WIRED_HEADSET:
case TYPE_WIRED_HEADPHONES:
case TYPE_BLUETOOTH_SCO:
case TYPE_BLUETOOTH_A2DP:
case TYPE_HDMI:
case TYPE_DOCK:
case TYPE_USB_ACCESSORY:
case TYPE_USB_DEVICE:
case TYPE_USB_HEADSET:
case TYPE_TELEPHONY:
case TYPE_LINE_ANALOG:
case TYPE_HDMI_ARC:
case TYPE_HDMI_EARC:
case TYPE_LINE_DIGITAL:
case TYPE_FM:
case TYPE_AUX_LINE:
case TYPE_IP:
case TYPE_BUS:
case TYPE_HEARING_AID:
case TYPE_BUILTIN_SPEAKER_SAFE:
case TYPE_BLE_HEADSET:
case TYPE_BLE_SPEAKER:
return true;
default:
return false;
}
}
/** @hide */
/*package*/ static boolean isValidAudioDeviceTypeIn(int type) {
switch (type) {
case TYPE_BUILTIN_MIC:
case TYPE_BLUETOOTH_SCO:
case TYPE_BLUETOOTH_A2DP:
case TYPE_WIRED_HEADSET:
case TYPE_HDMI:
case TYPE_TELEPHONY:
case TYPE_DOCK:
case TYPE_USB_ACCESSORY:
case TYPE_USB_DEVICE:
case TYPE_USB_HEADSET:
case TYPE_FM_TUNER:
case TYPE_TV_TUNER:
case TYPE_LINE_ANALOG:
case TYPE_LINE_DIGITAL:
case TYPE_IP:
case TYPE_BUS:
case TYPE_REMOTE_SUBMIX:
case TYPE_BLE_HEADSET:
case TYPE_HDMI_ARC:
case TYPE_HDMI_EARC:
case TYPE_ECHO_REFERENCE:
return true;
default:
return false;
}
}
/**
* @hide
* Enforces whether the audio device type is acceptable for output.
*
* A vendor implemented output type should modify isValidAudioDeviceTypeOut()
* appropriately to accept the new type. Do not remove already acceptable types.
*
* @throws IllegalArgumentException on an invalid output device type.
* @param type
*/
@TestApi
public static void enforceValidAudioDeviceTypeOut(int type) {
if (!isValidAudioDeviceTypeOut(type)) {
throw new IllegalArgumentException("Illegal output device type " + type);
}
}
/**
* @hide
* Enforces whether the audio device type is acceptable for input.
*
* A vendor implemented input type should modify isValidAudioDeviceTypeIn()
* appropriately to accept the new type. Do not remove already acceptable types.
*
* @throws IllegalArgumentException on an invalid input device type.
* @param type
*/
@TestApi
public static void enforceValidAudioDeviceTypeIn(int type) {
if (!isValidAudioDeviceTypeIn(type)) {
throw new IllegalArgumentException("Illegal input device type " + type);
}
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
AudioDeviceInfo that = (AudioDeviceInfo) o;
return Objects.equals(getPort(), that.getPort());
}
@Override
public int hashCode() {
return Objects.hash(getPort());
}
private final AudioDevicePort mPort;
AudioDeviceInfo(AudioDevicePort port) {
mPort = port;
}
/**
* @hide
* @return The underlying {@link AudioDevicePort} instance.
*/
public AudioDevicePort getPort() {
return mPort;
}
/**
* @hide
* @return the internal device type
*/
public int getInternalType() {
return mPort.type();
}
/**
* @return The internal device ID.
*/
public int getId() {
return mPort.handle().id();
}
/**
* @return The human-readable name of the audio device.
*/
public CharSequence getProductName() {
String portName = mPort.name();
return portName.length() != 0 ? portName : android.os.Build.MODEL;
}
/**
* @return The "address" string of the device. This generally contains device-specific
* parameters.
*/
public @NonNull String getAddress() {
return mPort.address();
}
/**
* @return true if the audio device is a source for audio data (e.e an input).
*/
public boolean isSource() {
return mPort.role() == AudioPort.ROLE_SOURCE;
}
/**
* @return true if the audio device is a sink for audio data (i.e. an output).
*/
public boolean isSink() {
return mPort.role() == AudioPort.ROLE_SINK;
}
/**
* @return An array of sample rates supported by the audio device.
*
* Note: an empty array indicates that the device supports arbitrary rates.
*/
public @NonNull int[] getSampleRates() {
return mPort.samplingRates();
}
/**
* @return An array of channel position masks (e.g. {@link AudioFormat#CHANNEL_IN_STEREO},
* {@link AudioFormat#CHANNEL_OUT_7POINT1}) for which this audio device can be configured.
*
* @see AudioFormat
*
* Note: an empty array indicates that the device supports arbitrary channel masks.
*/
public @NonNull int[] getChannelMasks() {
return mPort.channelMasks();
}
/**
* @return An array of channel index masks for which this audio device can be configured.
*
* @see AudioFormat
*
* Note: an empty array indicates that the device supports arbitrary channel index masks.
*/
public @NonNull int[] getChannelIndexMasks() {
return mPort.channelIndexMasks();
}
/**
* @return An array of channel counts (1, 2, 4, ...) for which this audio device
* can be configured.
*
* Note: an empty array indicates that the device supports arbitrary channel counts.
*/
public @NonNull int[] getChannelCounts() {
TreeSet countSet = new TreeSet();
// Channel Masks
for (int mask : getChannelMasks()) {
countSet.add(isSink() ?
AudioFormat.channelCountFromOutChannelMask(mask)
: AudioFormat.channelCountFromInChannelMask(mask));
}
// Index Masks
for (int index_mask : getChannelIndexMasks()) {
countSet.add(Integer.bitCount(index_mask));
}
int[] counts = new int[countSet.size()];
int index = 0;
for (int count : countSet) {
counts[index++] = count;
}
return counts;
}
/**
* @return An array of audio encodings (e.g. {@link AudioFormat#ENCODING_PCM_16BIT},
* {@link AudioFormat#ENCODING_PCM_FLOAT}) supported by the audio device.
* ENCODING_PCM_FLOAT indicates the device supports more
* than 16 bits of integer precision. As there is no AudioFormat constant
* specifically defined for 24-bit PCM, the value ENCODING_PCM_FLOAT
* indicates that {@link AudioTrack} or {@link AudioRecord} can preserve at least 24 bits of
* integer precision to that device.
*
* @see AudioFormat
*
* Note: an empty array indicates that the device supports arbitrary encodings.
* For forward compatibility, applications should ignore entries it does not recognize.
*/
public @NonNull int[] getEncodings() {
return AudioFormat.filterPublicFormats(mPort.formats());
}
/**
* @return A list of {@link AudioProfile} supported by the audio devices.
*/
public @NonNull List getAudioProfiles() {
return mPort.profiles();
}
/**
* @return A list of {@link AudioDescriptor} supported by the audio devices.
*/
public @NonNull List getAudioDescriptors() {
return mPort.audioDescriptors();
}
/**
* Returns an array of supported encapsulation modes for the device.
*
* The array can include any of the {@code AudioTrack} encapsulation modes,
* e.g. {@link AudioTrack#ENCAPSULATION_MODE_ELEMENTARY_STREAM}.
*
* @return An array of supported encapsulation modes for the device. This
* may be an empty array if no encapsulation modes are supported.
*/
public @NonNull @AudioTrack.EncapsulationMode int[] getEncapsulationModes() {
return mPort.encapsulationModes();
}
/**
* Returns an array of supported encapsulation metadata types for the device.
*
* The metadata type returned should be allowed for all encapsulation modes supported
* by the device. Some metadata types may apply only to certain
* compressed stream formats, the returned list is the union of subsets.
*
* The array can include any of
* {@link AudioTrack#ENCAPSULATION_METADATA_TYPE_FRAMEWORK_TUNER},
* {@link AudioTrack#ENCAPSULATION_METADATA_TYPE_DVB_AD_DESCRIPTOR}.
*
* @return An array of supported encapsulation metadata types for the device. This
* may be an empty array if no metadata types are supported.
*/
public @NonNull @AudioTrack.EncapsulationMetadataType int[] getEncapsulationMetadataTypes() {
return mPort.encapsulationMetadataTypes();
}
/**
* @return The device type identifier of the audio device (i.e. TYPE_BUILTIN_SPEAKER).
*/
public int getType() {
return INT_TO_EXT_DEVICE_MAPPING.get(mPort.type(), TYPE_UNKNOWN);
}
/** @hide */
public static int convertDeviceTypeToInternalDevice(int deviceType) {
return EXT_TO_INT_DEVICE_MAPPING.get(deviceType, AudioSystem.DEVICE_NONE);
}
/** @hide */
public static int convertInternalDeviceToDeviceType(int intDevice) {
return INT_TO_EXT_DEVICE_MAPPING.get(intDevice, TYPE_UNKNOWN);
}
/** @hide */
public static int convertDeviceTypeToInternalInputDevice(int deviceType) {
return EXT_TO_INT_INPUT_DEVICE_MAPPING.get(deviceType, AudioSystem.DEVICE_NONE);
}
private static final SparseIntArray INT_TO_EXT_DEVICE_MAPPING;
private static final SparseIntArray EXT_TO_INT_DEVICE_MAPPING;
/**
* EXT_TO_INT_INPUT_DEVICE_MAPPING aims at mapping external device type to internal input device
* type.
*/
private static final SparseIntArray EXT_TO_INT_INPUT_DEVICE_MAPPING;
static {
INT_TO_EXT_DEVICE_MAPPING = new SparseIntArray();
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_OUT_EARPIECE, TYPE_BUILTIN_EARPIECE);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_OUT_SPEAKER, TYPE_BUILTIN_SPEAKER);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_OUT_WIRED_HEADSET, TYPE_WIRED_HEADSET);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_OUT_WIRED_HEADPHONE, TYPE_WIRED_HEADPHONES);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_OUT_BLUETOOTH_SCO, TYPE_BLUETOOTH_SCO);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_OUT_BLUETOOTH_SCO_HEADSET, TYPE_BLUETOOTH_SCO);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_OUT_BLUETOOTH_SCO_CARKIT, TYPE_BLUETOOTH_SCO);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP, TYPE_BLUETOOTH_A2DP);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES, TYPE_BLUETOOTH_A2DP);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER, TYPE_BLUETOOTH_A2DP);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_OUT_HDMI, TYPE_HDMI);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_OUT_ANLG_DOCK_HEADSET, TYPE_DOCK);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_OUT_DGTL_DOCK_HEADSET, TYPE_DOCK);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_OUT_USB_ACCESSORY, TYPE_USB_ACCESSORY);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_OUT_USB_DEVICE, TYPE_USB_DEVICE);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_OUT_USB_HEADSET, TYPE_USB_HEADSET);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_OUT_TELEPHONY_TX, TYPE_TELEPHONY);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_OUT_LINE, TYPE_LINE_ANALOG);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_OUT_HDMI_ARC, TYPE_HDMI_ARC);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_OUT_HDMI_EARC, TYPE_HDMI_EARC);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_OUT_SPDIF, TYPE_LINE_DIGITAL);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_OUT_FM, TYPE_FM);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_OUT_AUX_LINE, TYPE_AUX_LINE);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_OUT_IP, TYPE_IP);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_OUT_BUS, TYPE_BUS);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_OUT_HEARING_AID, TYPE_HEARING_AID);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_OUT_SPEAKER_SAFE,
TYPE_BUILTIN_SPEAKER_SAFE);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_OUT_REMOTE_SUBMIX, TYPE_REMOTE_SUBMIX);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_OUT_BLE_HEADSET, TYPE_BLE_HEADSET);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_OUT_BLE_SPEAKER, TYPE_BLE_SPEAKER);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_IN_BUILTIN_MIC, TYPE_BUILTIN_MIC);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_IN_BLUETOOTH_SCO_HEADSET, TYPE_BLUETOOTH_SCO);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_IN_WIRED_HEADSET, TYPE_WIRED_HEADSET);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_IN_HDMI, TYPE_HDMI);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_IN_TELEPHONY_RX, TYPE_TELEPHONY);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_IN_BACK_MIC, TYPE_BUILTIN_MIC);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_IN_ANLG_DOCK_HEADSET, TYPE_DOCK);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_IN_DGTL_DOCK_HEADSET, TYPE_DOCK);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_IN_USB_ACCESSORY, TYPE_USB_ACCESSORY);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_IN_USB_DEVICE, TYPE_USB_DEVICE);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_IN_USB_HEADSET, TYPE_USB_HEADSET);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_IN_FM_TUNER, TYPE_FM_TUNER);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_IN_TV_TUNER, TYPE_TV_TUNER);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_IN_LINE, TYPE_LINE_ANALOG);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_IN_SPDIF, TYPE_LINE_DIGITAL);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_IN_BLUETOOTH_A2DP, TYPE_BLUETOOTH_A2DP);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_IN_IP, TYPE_IP);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_IN_BUS, TYPE_BUS);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_IN_REMOTE_SUBMIX, TYPE_REMOTE_SUBMIX);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_IN_BLE_HEADSET, TYPE_BLE_HEADSET);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_IN_HDMI_ARC, TYPE_HDMI_ARC);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_IN_HDMI_EARC, TYPE_HDMI_EARC);
INT_TO_EXT_DEVICE_MAPPING.put(AudioSystem.DEVICE_IN_ECHO_REFERENCE, TYPE_ECHO_REFERENCE);
// privileges mapping to output device
EXT_TO_INT_DEVICE_MAPPING = new SparseIntArray();
EXT_TO_INT_DEVICE_MAPPING.put(TYPE_BUILTIN_EARPIECE, AudioSystem.DEVICE_OUT_EARPIECE);
EXT_TO_INT_DEVICE_MAPPING.put(TYPE_BUILTIN_SPEAKER, AudioSystem.DEVICE_OUT_SPEAKER);
EXT_TO_INT_DEVICE_MAPPING.put(TYPE_WIRED_HEADSET, AudioSystem.DEVICE_OUT_WIRED_HEADSET);
EXT_TO_INT_DEVICE_MAPPING.put(TYPE_WIRED_HEADPHONES, AudioSystem.DEVICE_OUT_WIRED_HEADPHONE);
EXT_TO_INT_DEVICE_MAPPING.put(TYPE_LINE_ANALOG, AudioSystem.DEVICE_OUT_LINE);
EXT_TO_INT_DEVICE_MAPPING.put(TYPE_LINE_DIGITAL, AudioSystem.DEVICE_OUT_SPDIF);
EXT_TO_INT_DEVICE_MAPPING.put(TYPE_BLUETOOTH_SCO, AudioSystem.DEVICE_OUT_BLUETOOTH_SCO);
EXT_TO_INT_DEVICE_MAPPING.put(TYPE_BLUETOOTH_A2DP, AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP);
EXT_TO_INT_DEVICE_MAPPING.put(TYPE_HDMI, AudioSystem.DEVICE_OUT_HDMI);
EXT_TO_INT_DEVICE_MAPPING.put(TYPE_HDMI_ARC, AudioSystem.DEVICE_OUT_HDMI_ARC);
EXT_TO_INT_DEVICE_MAPPING.put(TYPE_HDMI_EARC, AudioSystem.DEVICE_OUT_HDMI_EARC);
EXT_TO_INT_DEVICE_MAPPING.put(TYPE_USB_DEVICE, AudioSystem.DEVICE_OUT_USB_DEVICE);
EXT_TO_INT_DEVICE_MAPPING.put(TYPE_USB_HEADSET, AudioSystem.DEVICE_OUT_USB_HEADSET);
EXT_TO_INT_DEVICE_MAPPING.put(TYPE_USB_ACCESSORY, AudioSystem.DEVICE_OUT_USB_ACCESSORY);
EXT_TO_INT_DEVICE_MAPPING.put(TYPE_DOCK, AudioSystem.DEVICE_OUT_ANLG_DOCK_HEADSET);
EXT_TO_INT_DEVICE_MAPPING.put(TYPE_FM, AudioSystem.DEVICE_OUT_FM);
EXT_TO_INT_DEVICE_MAPPING.put(TYPE_BUILTIN_MIC, AudioSystem.DEVICE_IN_BUILTIN_MIC);
EXT_TO_INT_DEVICE_MAPPING.put(TYPE_FM_TUNER, AudioSystem.DEVICE_IN_FM_TUNER);
EXT_TO_INT_DEVICE_MAPPING.put(TYPE_TV_TUNER, AudioSystem.DEVICE_IN_TV_TUNER);
EXT_TO_INT_DEVICE_MAPPING.put(TYPE_TELEPHONY, AudioSystem.DEVICE_OUT_TELEPHONY_TX);
EXT_TO_INT_DEVICE_MAPPING.put(TYPE_AUX_LINE, AudioSystem.DEVICE_OUT_AUX_LINE);
EXT_TO_INT_DEVICE_MAPPING.put(TYPE_IP, AudioSystem.DEVICE_OUT_IP);
EXT_TO_INT_DEVICE_MAPPING.put(TYPE_BUS, AudioSystem.DEVICE_OUT_BUS);
EXT_TO_INT_DEVICE_MAPPING.put(TYPE_HEARING_AID, AudioSystem.DEVICE_OUT_HEARING_AID);
EXT_TO_INT_DEVICE_MAPPING.put(TYPE_BUILTIN_SPEAKER_SAFE,
AudioSystem.DEVICE_OUT_SPEAKER_SAFE);
EXT_TO_INT_DEVICE_MAPPING.put(TYPE_REMOTE_SUBMIX, AudioSystem.DEVICE_OUT_REMOTE_SUBMIX);
EXT_TO_INT_DEVICE_MAPPING.put(TYPE_BLE_HEADSET, AudioSystem.DEVICE_OUT_BLE_HEADSET);
EXT_TO_INT_DEVICE_MAPPING.put(TYPE_BLE_SPEAKER, AudioSystem.DEVICE_OUT_BLE_SPEAKER);
// privileges mapping to input device
EXT_TO_INT_INPUT_DEVICE_MAPPING = new SparseIntArray();
EXT_TO_INT_INPUT_DEVICE_MAPPING.put(TYPE_BUILTIN_MIC, AudioSystem.DEVICE_IN_BUILTIN_MIC);
EXT_TO_INT_INPUT_DEVICE_MAPPING.put(
TYPE_BLUETOOTH_SCO, AudioSystem.DEVICE_IN_BLUETOOTH_SCO_HEADSET);
EXT_TO_INT_INPUT_DEVICE_MAPPING.put(
TYPE_WIRED_HEADSET, AudioSystem.DEVICE_IN_WIRED_HEADSET);
EXT_TO_INT_INPUT_DEVICE_MAPPING.put(TYPE_HDMI, AudioSystem.DEVICE_IN_HDMI);
EXT_TO_INT_INPUT_DEVICE_MAPPING.put(TYPE_TELEPHONY, AudioSystem.DEVICE_IN_TELEPHONY_RX);
EXT_TO_INT_INPUT_DEVICE_MAPPING.put(TYPE_DOCK, AudioSystem.DEVICE_IN_ANLG_DOCK_HEADSET);
EXT_TO_INT_INPUT_DEVICE_MAPPING.put(
TYPE_USB_ACCESSORY, AudioSystem.DEVICE_IN_USB_ACCESSORY);
EXT_TO_INT_INPUT_DEVICE_MAPPING.put(TYPE_USB_DEVICE, AudioSystem.DEVICE_IN_USB_DEVICE);
EXT_TO_INT_INPUT_DEVICE_MAPPING.put(TYPE_USB_HEADSET, AudioSystem.DEVICE_IN_USB_HEADSET);
EXT_TO_INT_INPUT_DEVICE_MAPPING.put(TYPE_FM_TUNER, AudioSystem.DEVICE_IN_FM_TUNER);
EXT_TO_INT_INPUT_DEVICE_MAPPING.put(TYPE_TV_TUNER, AudioSystem.DEVICE_IN_TV_TUNER);
EXT_TO_INT_INPUT_DEVICE_MAPPING.put(TYPE_LINE_ANALOG, AudioSystem.DEVICE_IN_LINE);
EXT_TO_INT_INPUT_DEVICE_MAPPING.put(TYPE_LINE_DIGITAL, AudioSystem.DEVICE_IN_SPDIF);
EXT_TO_INT_INPUT_DEVICE_MAPPING.put(
TYPE_BLUETOOTH_A2DP, AudioSystem.DEVICE_IN_BLUETOOTH_A2DP);
EXT_TO_INT_INPUT_DEVICE_MAPPING.put(TYPE_IP, AudioSystem.DEVICE_IN_IP);
EXT_TO_INT_INPUT_DEVICE_MAPPING.put(TYPE_BUS, AudioSystem.DEVICE_IN_BUS);
EXT_TO_INT_INPUT_DEVICE_MAPPING.put(
TYPE_REMOTE_SUBMIX, AudioSystem.DEVICE_IN_REMOTE_SUBMIX);
EXT_TO_INT_INPUT_DEVICE_MAPPING.put(TYPE_BLE_HEADSET, AudioSystem.DEVICE_IN_BLE_HEADSET);
EXT_TO_INT_INPUT_DEVICE_MAPPING.put(TYPE_HDMI_ARC, AudioSystem.DEVICE_IN_HDMI_ARC);
EXT_TO_INT_INPUT_DEVICE_MAPPING.put(TYPE_HDMI_EARC, AudioSystem.DEVICE_IN_HDMI_EARC);
EXT_TO_INT_INPUT_DEVICE_MAPPING.put(
TYPE_ECHO_REFERENCE, AudioSystem.DEVICE_IN_ECHO_REFERENCE);
}
}