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/*
* Copyright (c) 2015 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.
*/
package org.webrtc.audio;
import android.media.AudioManager;
import androidx.annotation.Nullable;
import java.util.Timer;
import java.util.TimerTask;
import org.webrtc.Logging;
// TODO(magjed): Do we really need to spawn a new thread just to log volume? Can we re-use the
// AudioTrackThread instead?
/**
* Private utility class that periodically checks and logs the volume level of the audio stream that
* is currently controlled by the volume control. A timer triggers logs once every 30 seconds and
* the timer's associated thread is named "WebRtcVolumeLevelLoggerThread".
*/
class VolumeLogger {
private static final String TAG = "VolumeLogger";
private static final String THREAD_NAME = "WebRtcVolumeLevelLoggerThread";
private static final int TIMER_PERIOD_IN_SECONDS = 30;
private final AudioManager audioManager;
private @Nullable Timer timer;
public VolumeLogger(AudioManager audioManager) {
this.audioManager = audioManager;
}
public void start() {
Logging.d(TAG, "start" + WebRtcAudioUtils.getThreadInfo());
if (timer != null) {
return;
}
Logging.d(TAG, "audio mode is: " + WebRtcAudioUtils.modeToString(audioManager.getMode()));
timer = new Timer(THREAD_NAME);
timer.schedule(new LogVolumeTask(audioManager.getStreamMaxVolume(AudioManager.STREAM_RING),
audioManager.getStreamMaxVolume(AudioManager.STREAM_VOICE_CALL)),
0, TIMER_PERIOD_IN_SECONDS * 1000);
}
private class LogVolumeTask extends TimerTask {
private final int maxRingVolume;
private final int maxVoiceCallVolume;
LogVolumeTask(int maxRingVolume, int maxVoiceCallVolume) {
this.maxRingVolume = maxRingVolume;
this.maxVoiceCallVolume = maxVoiceCallVolume;
}
@Override
public void run() {
final int mode = audioManager.getMode();
if (mode == AudioManager.MODE_RINGTONE) {
Logging.d(TAG,
"STREAM_RING stream volume: " + audioManager.getStreamVolume(AudioManager.STREAM_RING)
+ " (max=" + maxRingVolume + ")");
} else if (mode == AudioManager.MODE_IN_COMMUNICATION) {
Logging.d(TAG,
"VOICE_CALL stream volume: "
+ audioManager.getStreamVolume(AudioManager.STREAM_VOICE_CALL)
+ " (max=" + maxVoiceCallVolume + ")");
}
}
}
public void stop() {
Logging.d(TAG, "stop" + WebRtcAudioUtils.getThreadInfo());
if (timer != null) {
timer.cancel();
timer = null;
}
}
}
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