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Detect audio device change from API 23 with AudioCapabilitiesReceiver

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* Add AudioDeviceCallbackApi23 class which extends the AudioDeviceCallback.
* Add registerAudioDeviceCallback and unregisterAudioDeviceCallback methods for Api23.
* Modify the logics of AudioCapabilitiesReceiver constructor, register and unregister methods.

PiperOrigin-RevId: 516183997
This commit is contained in:
tianyifeng 2023-03-13 12:39:28 +00:00 committed by tonihei
parent 7cf758f837
commit 796412b4be
1 changed files with 59 additions and 9 deletions
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68
libraries/exoplayer/src/main/java/androidx/media3/exoplayer/audio/AudioCapabilitiesReceiver.java
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@ -15,17 +15,22 @@
*/
package androidx.media3.exoplayer.audio;
import static androidx.media3.common.util.Assertions.checkNotNull;
import android.content.BroadcastReceiver;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.database.ContentObserver;
import android.media.AudioDeviceCallback;
import android.media.AudioDeviceInfo;
import android.media.AudioManager;
import android.net.Uri;
import android.os.Handler;
import androidx.annotation.DoNotInline;
import androidx.annotation.Nullable;
import androidx.media3.common.util.Assertions;
import androidx.annotation.RequiresApi;
import androidx.media3.common.util.UnstableApi;
import androidx.media3.common.util.Util;
@ -50,7 +55,8 @@ public final class AudioCapabilitiesReceiver {
private final Context context;
private final Listener listener;
private final Handler handler;
@Nullable private final BroadcastReceiver receiver;
@Nullable private final AudioDeviceCallbackV23 audioDeviceCallback;
@Nullable private final BroadcastReceiver hdmiAudioPlugBroadcastReceiver;
@Nullable private final ExternalSurroundSoundSettingObserver externalSurroundSoundSettingObserver;
@Nullable /* package */ AudioCapabilities audioCapabilities;
@ -63,9 +69,11 @@ public final class AudioCapabilitiesReceiver {
public AudioCapabilitiesReceiver(Context context, Listener listener) {
context = context.getApplicationContext();
this.context = context;
this.listener = Assertions.checkNotNull(listener);
this.listener = checkNotNull(listener);
handler = Util.createHandlerForCurrentOrMainLooper();
receiver = Util.SDK_INT >= 21 ? new HdmiAudioPlugBroadcastReceiver() : null;
audioDeviceCallback = Util.SDK_INT >= 23 ? new AudioDeviceCallbackV23() : null;
hdmiAudioPlugBroadcastReceiver =
Util.SDK_INT >= 21 ? new HdmiAudioPlugBroadcastReceiver() : null;
Uri externalSurroundSoundUri = AudioCapabilities.getExternalSurroundSoundGlobalSettingUri();
externalSurroundSoundSettingObserver =
externalSurroundSoundUri != null
@ -84,18 +92,24 @@ public final class AudioCapabilitiesReceiver {
@SuppressWarnings("InlinedApi")
public AudioCapabilities register() {
if (registered) {
return Assertions.checkNotNull(audioCapabilities);
return checkNotNull(audioCapabilities);
}
registered = true;
if (externalSurroundSoundSettingObserver != null) {
externalSurroundSoundSettingObserver.register();
}
if (Util.SDK_INT >= 23 && audioDeviceCallback != null) {
Api23.registerAudioDeviceCallback(context, audioDeviceCallback, handler);
}
@Nullable Intent stickyIntent = null;
if (receiver != null) {
if (hdmiAudioPlugBroadcastReceiver != null) {
IntentFilter intentFilter = new IntentFilter(AudioManager.ACTION_HDMI_AUDIO_PLUG);
stickyIntent =
context.registerReceiver(
receiver, intentFilter, /* broadcastPermission= */ null, handler);
hdmiAudioPlugBroadcastReceiver,
intentFilter,
/* broadcastPermission= */ null,
handler);
}
audioCapabilities = AudioCapabilities.getCapabilities(context, stickyIntent);
return audioCapabilities;
@ -110,8 +124,11 @@ public final class AudioCapabilitiesReceiver {
return;
}
audioCapabilities = null;
if (receiver != null) {
context.unregisterReceiver(receiver);
if (Util.SDK_INT >= 23 && audioDeviceCallback != null) {
Api23.unregisterAudioDeviceCallback(context, audioDeviceCallback);
}
if (hdmiAudioPlugBroadcastReceiver != null) {
context.unregisterReceiver(hdmiAudioPlugBroadcastReceiver);
}
if (externalSurroundSoundSettingObserver != null) {
externalSurroundSoundSettingObserver.unregister();
@ -161,4 +178,37 @@ public final class AudioCapabilitiesReceiver {
onNewAudioCapabilities(AudioCapabilities.getCapabilities(context));
}
}
@RequiresApi(23)
private final class AudioDeviceCallbackV23 extends AudioDeviceCallback {
@Override
public void onAudioDevicesAdded(AudioDeviceInfo[] addedDevices) {
onNewAudioCapabilities(AudioCapabilities.getCapabilities(context));
}
@Override
public void onAudioDevicesRemoved(AudioDeviceInfo[] removedDevices) {
onNewAudioCapabilities(AudioCapabilities.getCapabilities(context));
}
}
@RequiresApi(23)
private static final class Api23 {
@DoNotInline
public static void registerAudioDeviceCallback(
Context context, AudioDeviceCallback callback, Handler handler) {
AudioManager audioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
checkNotNull(audioManager).registerAudioDeviceCallback(callback, handler);
}
@DoNotInline
public static void unregisterAudioDeviceCallback(
Context context, AudioDeviceCallback callback) {
AudioManager audioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
checkNotNull(audioManager).unregisterAudioDeviceCallback(callback);
}
private Api23() {}
}
}