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Detect BT devices when getting audio capabilities from the context

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PiperOrigin-RevId: 511853003
This commit is contained in:
tianyifeng 2023-02-23 20:15:40 +00:00 committed by Andrew Lewis
parent 511ad57de6
commit e91d1735b6
1 changed files with 50 additions and 0 deletions
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50
library/core/src/main/java/com/google/android/exoplayer2/audio/AudioCapabilities.java
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@ -22,6 +22,7 @@ import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.media.AudioAttributes;
import android.media.AudioDeviceInfo;
import android.media.AudioFormat;
import android.media.AudioManager;
import android.media.AudioTrack;
@ -37,6 +38,7 @@ import com.google.android.exoplayer2.util.MimeTypes;
import com.google.android.exoplayer2.util.Util;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.common.primitives.Ints;
import java.util.Arrays;
@ -93,6 +95,11 @@ public final class AudioCapabilities {
@SuppressLint("InlinedApi")
/* package */ static AudioCapabilities getCapabilities(Context context, @Nullable Intent intent) {
// If a connection to Bluetooth device is detected, we only return the minimum capabilities that
// is supported by all the devices.
if (Util.SDK_INT >= 23 && Api23.isBluetoothConnected(context)) {
return DEFAULT_AUDIO_CAPABILITIES;
}
if (deviceMaySetExternalSurroundSoundGlobalSetting()
&& Global.getInt(context.getContentResolver(), EXTERNAL_SURROUND_SOUND_KEY, 0) == 1) {
return EXTERNAL_SURROUND_SOUND_CAPABILITIES;
@ -290,6 +297,49 @@ public final class AudioCapabilities {
return Util.getAudioTrackChannelConfig(channelCount);
}
@RequiresApi(23)
private static final class Api23 {
private Api23() {}
@DoNotInline
public static final boolean isBluetoothConnected(Context context) {
AudioManager audioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
AudioDeviceInfo[] audioDeviceInfos =
checkNotNull(audioManager).getDevices(AudioManager.GET_DEVICES_OUTPUTS);
ImmutableSet<Integer> allBluetoothDeviceTypesSet = getAllBluetoothDeviceTypes();
for (int i = 0; i < audioDeviceInfos.length; i++) {
if (allBluetoothDeviceTypesSet.contains(audioDeviceInfos[i].getType())) {
return true;
}
}
return false;
}
/**
* Returns all the possible bluetooth device types that can be returned by {@link
* AudioDeviceInfo#getType()}.
*
* <p>The types {@link AudioDeviceInfo#TYPE_BLUETOOTH_A2DP} and {@link
* AudioDeviceInfo#TYPE_BLUETOOTH_SCO} are included from API 23. And the types {@link
* AudioDeviceInfo#TYPE_BLE_HEADSET} and {@link AudioDeviceInfo#TYPE_BLE_SPEAKER} are added from
* API 31. And the type {@link AudioDeviceInfo#TYPE_BLE_BROADCAST} is added from API 33.
*/
@DoNotInline
private static final ImmutableSet<Integer> getAllBluetoothDeviceTypes() {
ImmutableSet.Builder<Integer> allBluetoothDeviceTypes =
new ImmutableSet.Builder<Integer>()
.add(AudioDeviceInfo.TYPE_BLUETOOTH_A2DP, AudioDeviceInfo.TYPE_BLUETOOTH_SCO);
if (Util.SDK_INT >= 31) {
allBluetoothDeviceTypes.add(
AudioDeviceInfo.TYPE_BLE_HEADSET, AudioDeviceInfo.TYPE_BLE_SPEAKER);
}
if (Util.SDK_INT >= 33) {
allBluetoothDeviceTypes.add(AudioDeviceInfo.TYPE_BLE_BROADCAST);
}
return allBluetoothDeviceTypes.build();
}
}
@RequiresApi(29)
private static final class Api29 {
private static final AudioAttributes DEFAULT_AUDIO_ATTRIBUTES =