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android/Sora/Sora/src/main/java/jp/shiguredo/sora/audiomanager/SoraAudioManager.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,180 +1,23 @@ | ||
| /* | ||
| * Copyright 2014 The WebRTC Project Authors. All rights reserved. | ||
| * | ||
| * Use of this source code is governed by a BSD-style license | ||
| * that can be found in the LICENSE file in the root of the source | ||
| * tree. An additional intellectual property rights grant can be found | ||
| * in the file PATENTS. All contributing project authors may | ||
| * be found in the AUTHORS file in the root of the source tree. | ||
| * | ||
| * Modifications made by tnoho in 2024. | ||
| */ | ||
|
|
||
| package jp.shiguredo.sora.audiomanager; | ||
|
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||
| import android.annotation.SuppressLint; | ||
| import android.content.BroadcastReceiver; | ||
| import android.content.Context; | ||
| import android.content.Intent; | ||
| import android.content.IntentFilter; | ||
| import android.content.pm.PackageManager; | ||
| import android.media.AudioAttributes; | ||
| import android.media.AudioFocusRequest; | ||
| import android.media.AudioManager; | ||
| import android.os.Build; | ||
| import android.util.Log; | ||
|
|
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| public class SoraAudioManager { | ||
| private static final String TAG = "SoraAudioManager"; | ||
| protected Context context; | ||
| protected AudioManager audioManager; | ||
| protected BroadcastReceiver wiredHeadsetReceiver; | ||
| protected boolean running; | ||
| private int savedAudioMode = AudioManager.MODE_INVALID; | ||
| private boolean savedIsMicrophoneMute; | ||
| protected boolean hasWiredHeadset; | ||
| protected boolean isSetHandsfree; | ||
| protected Object audioFocus; | ||
| protected OnChangeRouteObserver onChangeRouteObserver; | ||
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| public interface OnChangeRouteObserver { | ||
| public interface SoraAudioManager { | ||
| interface OnChangeRouteObserver { | ||
| // オーディオデバイスの変更を通知するコールバック | ||
| void OnChangeRoute(); | ||
| } | ||
|
|
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| // 有線ヘッドセットの接続を通知するレシーバー | ||
| private class WiredHeadsetReceiver extends BroadcastReceiver { | ||
| private static final int STATE_UNPLUGGED = 0; | ||
| private static final int STATE_PLUGGED = 1; | ||
| @Override | ||
| public void onReceive(Context context, Intent intent) { | ||
| int state = intent.getIntExtra("state", STATE_UNPLUGGED); | ||
| hasWiredHeadset = (state == STATE_PLUGGED); | ||
| updateAudioDeviceState(); | ||
| } | ||
| } | ||
|
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| protected SoraAudioManager() { | ||
| } | ||
|
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| protected SoraAudioManager(Context context) { | ||
| SoraThreadUtils.checkIsOnMainThread(); | ||
| this.context = context; | ||
| audioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE); | ||
| wiredHeadsetReceiver = new WiredHeadsetReceiver(); | ||
| running = false; | ||
| } | ||
|
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||
| /* | ||
| * オーディオの制御を開始する | ||
| * Java は destructor がないので start - stop にする | ||
| * TODO(tnoho) 以下のパラメーターは start の段階で調整できてもいい気がする | ||
| * - オーディオフォーカス | ||
| * - モード | ||
| * - マイクミュート | ||
| */ | ||
| public void start(SoraAudioManagerLegacy.OnChangeRouteObserver observer) { | ||
| savedAudioMode = audioManager.getMode(); | ||
| savedIsMicrophoneMute = audioManager.isMicrophoneMute(); | ||
|
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||
| // オーディオフォーカスを取得する | ||
| // 前のオーディオフォーカス保持者に再生の一時停止を期待する | ||
| int result; | ||
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) { | ||
| audioFocus = new AudioFocusRequest.Builder(AudioManager.AUDIOFOCUS_GAIN_TRANSIENT) | ||
| .setAudioAttributes( | ||
| new AudioAttributes.Builder() | ||
| .setUsage(AudioAttributes.USAGE_VOICE_COMMUNICATION) | ||
| .setContentType(AudioAttributes.CONTENT_TYPE_SPEECH) | ||
| .build() | ||
| ).build(); | ||
| result = audioManager.requestAudioFocus((AudioFocusRequest) audioFocus); | ||
| } else { | ||
| audioFocus = (AudioManager.OnAudioFocusChangeListener) focusChange -> { | ||
| // 取ったからといってその後何かするわけではないのでログだけ出す | ||
| Log.d(TAG, "onAudioFocusChange: " + focusChange); | ||
| }; | ||
| result = audioManager.requestAudioFocus((AudioManager.OnAudioFocusChangeListener) audioFocus, | ||
| AudioManager.STREAM_VOICE_CALL, AudioManager.AUDIOFOCUS_GAIN_TRANSIENT); | ||
| } | ||
| if (result == AudioManager.AUDIOFOCUS_REQUEST_GRANTED) { | ||
| Log.d(TAG, "Audio focus request granted for VOICE_CALL streams"); | ||
| } else { | ||
| Log.e(TAG, "Audio focus request failed"); | ||
| } | ||
|
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| // VoIP 向けのモードに切り替え | ||
| // MODE_IN_CALL か MODE_IN_COMMUNICATION でなければ setSpeakerphoneOn が使えない | ||
| audioManager.setMode(AudioManager.MODE_IN_COMMUNICATION); | ||
|
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| // マイクのミュートは解除する | ||
| setMicrophoneMute(false); | ||
|
|
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| // 初期化を行う | ||
| isSetHandsfree = false; | ||
| } | ||
|
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| // 有線ヘッドセットの接続を通知するレシーバーを登録する | ||
| protected void registerWiredHeadsetReceiver() { | ||
| context.registerReceiver( | ||
| wiredHeadsetReceiver, | ||
| new IntentFilter(Intent.ACTION_HEADSET_PLUG)); | ||
| } | ||
| void start(OnChangeRouteObserver observer); | ||
|
|
||
| // オーディオの制御を終了する | ||
| @SuppressLint("WrongConstant") | ||
| public void stop() { | ||
| // 開始時に保存していた設定に戻す | ||
| setMicrophoneMute(savedIsMicrophoneMute); | ||
| audioManager.setMode(savedAudioMode); | ||
|
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| // オーディオフォーカスを放棄する | ||
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) { | ||
| audioManager.abandonAudioFocusRequest((AudioFocusRequest) audioFocus); | ||
| } else { | ||
| audioManager.abandonAudioFocus((AudioManager.OnAudioFocusChangeListener) audioFocus); | ||
| } | ||
| audioFocus = null; | ||
|
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| // コールバックを破棄する | ||
| onChangeRouteObserver = null; | ||
| } | ||
|
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| // 有線ヘッドセットの接続を通知するレシーバーを解除 | ||
| protected void unregisterWiredHeadsetReceiver() { | ||
| context.unregisterReceiver(wiredHeadsetReceiver); | ||
| } | ||
|
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|
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| // ハンズフリーかを確認する | ||
| public boolean isHandsfree() { | ||
| return false; | ||
| } | ||
| void stop(); | ||
|
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| // ハンズフリーに設定する | ||
| public void setHandsfree(boolean on) { | ||
| SoraThreadUtils.checkIsOnMainThread(); | ||
| if (isSetHandsfree == on) { | ||
| return; | ||
| } | ||
| isSetHandsfree = on; | ||
| updateAudioDeviceState(); | ||
| } | ||
|
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| // マイクミュートの設定を変更する | ||
| private void setMicrophoneMute(boolean on) { | ||
| boolean wasMuted = audioManager.isMicrophoneMute(); | ||
| if (wasMuted == on) { | ||
| return; | ||
| } | ||
| audioManager.setMicrophoneMute(on); | ||
| } | ||
| void setHandsfree(boolean on); | ||
|
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| // 電話用スピーカーがデバイスにあるかを確認する | ||
| protected boolean hasEarpiece() { | ||
| return context.getPackageManager().hasSystemFeature(PackageManager.FEATURE_TELEPHONY); | ||
| } | ||
|
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| // 状態に基づいてデバイスを選択する | ||
| void updateAudioDeviceState() {} | ||
| // ハンズフリーかを確認する | ||
| boolean isHandsfree(); | ||
| } |
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