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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
package org.qtproject.qt.android.multimedia;
import java.util.ArrayList;
import android.bluetooth.BluetoothA2dp;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothHeadset;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.media.AudioDeviceInfo;
import android.media.AudioManager;
import android.media.MediaRecorder;
public class QtAudioDeviceManager
{
static private AudioManager m_audioManager = null;
static private final AudioDevicesReceiver m_audioDevicesReceiver = new AudioDevicesReceiver();
public static native void onAudioInputDevicesUpdated();
public static native void onAudioOutputDevicesUpdated();
static private class AudioDevicesReceiver extends BroadcastReceiver
{
@Override
public void onReceive(Context context, Intent intent) {
onAudioInputDevicesUpdated();
onAudioOutputDevicesUpdated();
}
}
public static void registerAudioHeadsetStateReceiver(Context context)
{
IntentFilter audioDevicesFilter = new IntentFilter();
audioDevicesFilter.addAction(AudioManager.ACTION_HEADSET_PLUG);
audioDevicesFilter.addAction(AudioManager.ACTION_HDMI_AUDIO_PLUG);
audioDevicesFilter.addAction(BluetoothDevice.ACTION_ACL_CONNECTED);
audioDevicesFilter.addAction(BluetoothDevice.ACTION_ACL_DISCONNECTED);
audioDevicesFilter.addAction(BluetoothDevice.ACTION_ACL_DISCONNECT_REQUESTED);
audioDevicesFilter.addAction(BluetoothAdapter.ACTION_STATE_CHANGED);
audioDevicesFilter.addAction(BluetoothDevice.ACTION_BOND_STATE_CHANGED);
audioDevicesFilter.addAction(BluetoothHeadset.ACTION_CONNECTION_STATE_CHANGED);
audioDevicesFilter.addAction(AudioManager.ACTION_SCO_AUDIO_STATE_UPDATED);
audioDevicesFilter.addAction(BluetoothA2dp.ACTION_CONNECTION_STATE_CHANGED);
audioDevicesFilter.addAction(BluetoothA2dp.ACTION_PLAYING_STATE_CHANGED);
context.registerReceiver(m_audioDevicesReceiver, audioDevicesFilter);
}
static public void setContext(Context context)
{
m_audioManager = (AudioManager)context.getSystemService(Context.AUDIO_SERVICE);
}
private static String[] getAudioOutputDevices()
{
return getAudioDevices(AudioManager.GET_DEVICES_OUTPUTS);
}
private static String[] getAudioInputDevices()
{
return getAudioDevices(AudioManager.GET_DEVICES_INPUTS);
}
private static boolean isBluetoothDevice(AudioDeviceInfo deviceInfo)
{
switch (deviceInfo.getType()) {
case AudioDeviceInfo.TYPE_BLUETOOTH_A2DP:
case AudioDeviceInfo.TYPE_BLUETOOTH_SCO:
return true;
default:
return false;
}
}
private static boolean setAudioInput(MediaRecorder recorder, int id)
{
if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.P)
return false;
final AudioDeviceInfo[] audioDevices =
m_audioManager.getDevices(AudioManager.GET_DEVICES_INPUTS);
for (AudioDeviceInfo deviceInfo : audioDevices) {
if (deviceInfo.getId() != id)
continue;
boolean isPreferred = recorder.setPreferredDevice(deviceInfo);
if (isPreferred && isBluetoothDevice(deviceInfo)) {
m_audioManager.startBluetoothSco();
m_audioManager.setBluetoothScoOn(true);
}
return isPreferred;
}
return false;
}
private static void setInputMuted(boolean mute)
{
// This method mutes the microphone across the entire platform
m_audioManager.setMicrophoneMute(mute);
}
private static boolean isMicrophoneMute()
{
return m_audioManager.isMicrophoneMute();
}
private static String audioDeviceTypeToString(int type)
{
switch (type)
{
case AudioDeviceInfo.TYPE_AUX_LINE:
return "AUX Line";
case AudioDeviceInfo.TYPE_BLUETOOTH_A2DP:
case AudioDeviceInfo.TYPE_BLUETOOTH_SCO:
return "Bluetooth";
case AudioDeviceInfo.TYPE_BUILTIN_EARPIECE:
return "Built in earpiece";
case AudioDeviceInfo.TYPE_BUILTIN_MIC:
return "Built in microphone";
case AudioDeviceInfo.TYPE_BUILTIN_SPEAKER:
return "Built in speaker";
case AudioDeviceInfo.TYPE_DOCK:
return "Dock";
case AudioDeviceInfo.TYPE_FM:
return "FM";
case AudioDeviceInfo.TYPE_FM_TUNER:
return "FM TUNER";
case AudioDeviceInfo.TYPE_HDMI:
return "HDMI";
case AudioDeviceInfo.TYPE_HDMI_ARC:
return "HDMI ARC";
case AudioDeviceInfo.TYPE_IP:
return "IP";
case AudioDeviceInfo.TYPE_LINE_ANALOG:
return "Line analog";
case AudioDeviceInfo.TYPE_LINE_DIGITAL:
return "Line digital";
case AudioDeviceInfo.TYPE_TV_TUNER:
return "TV tuner";
case AudioDeviceInfo.TYPE_USB_ACCESSORY:
return "USB accessory";
case AudioDeviceInfo.TYPE_WIRED_HEADPHONES:
return "Wired headphones";
case AudioDeviceInfo.TYPE_WIRED_HEADSET:
return "Wired headset";
case AudioDeviceInfo.TYPE_TELEPHONY:
case AudioDeviceInfo.TYPE_UNKNOWN:
default:
return "Unknown-Type";
}
}
private static String[] getAudioDevices(int type)
{
ArrayList<String> devices = new ArrayList<>();
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.M) {
boolean builtInMicAdded = false;
boolean bluetoothDeviceAdded = false;
for (AudioDeviceInfo deviceInfo : m_audioManager.getDevices(type)) {
String deviceType = audioDeviceTypeToString(deviceInfo.getType());
if (deviceType.equals(audioDeviceTypeToString(AudioDeviceInfo.TYPE_UNKNOWN))) {
// Not supported device type
continue;
} else if (deviceType.equals(audioDeviceTypeToString(AudioDeviceInfo.TYPE_BUILTIN_MIC))) {
if (builtInMicAdded) {
// Built in mic already added. Second built in mic is CAMCORDER, but there
// is no reliable way of selecting it. AudioSource.MIC usually means the
// primary mic. AudioSource.CAMCORDER source might mean the secondary mic,
// but there's no guarantee. It depends e.g. on the physical placement
// of the mics. That's why we will not add built in microphone twice.
// Should we?
continue;
}
builtInMicAdded = true;
} else if (isBluetoothDevice(deviceInfo)) {
if (bluetoothDeviceAdded) {
// Bluetooth device already added. Second device is just a different
// technology profille (like A2DP or SCO). We should not add the same
// device twice. Should we?
continue;
}
bluetoothDeviceAdded = true;
}
devices.add(deviceInfo.getId() + ":" + deviceType + " ("
+ deviceInfo.getProductName().toString() +")");
}
}
String[] ret = new String[devices.size()];
ret = devices.toArray(ret);
return ret;
}
private static boolean setAudioOutput(int id)
{
final AudioDeviceInfo[] audioDevices =
m_audioManager.getDevices(AudioManager.GET_DEVICES_OUTPUTS);
for (AudioDeviceInfo deviceInfo : audioDevices) {
if (deviceInfo.getId() == id) {
switch (deviceInfo.getType())
{
case AudioDeviceInfo.TYPE_BLUETOOTH_A2DP:
case AudioDeviceInfo.TYPE_BLUETOOTH_SCO:
setAudioOutput(AudioManager.MODE_IN_COMMUNICATION, true, false);
return true;
case AudioDeviceInfo.TYPE_BUILTIN_SPEAKER:
setAudioOutput(AudioManager.MODE_NORMAL, false, true);
return true;
case AudioDeviceInfo.TYPE_WIRED_HEADSET:
case AudioDeviceInfo.TYPE_WIRED_HEADPHONES:
setAudioOutput(AudioManager.MODE_IN_COMMUNICATION, false, false);
return true;
case AudioDeviceInfo.TYPE_BUILTIN_EARPIECE:
// It doesn't work when WIRED HEADPHONES are connected
// Earpiece has the lowest priority and setWiredHeadsetOn(boolean)
// method to force it is deprecated
setAudioOutput(AudioManager.MODE_IN_CALL, false, false);
return true;
default:
return false;
}
}
}
return false;
}
private static void setAudioOutput(int mode, boolean bluetoothOn, boolean speakerOn)
{
m_audioManager.setMode(mode);
if (bluetoothOn) {
m_audioManager.startBluetoothSco();
} else {
m_audioManager.stopBluetoothSco();
}
m_audioManager.setBluetoothScoOn(bluetoothOn);
m_audioManager.setSpeakerphoneOn(speakerOn);
}
}
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