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/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.mozilla.thirdparty.com.google.android.exoplayer2.audio;
/** A listener for changes in audio configuration. */
public interface AudioListener {
/**
* Called when the audio session is set.
*
* @param audioSessionId The audio session id.
*/
default void onAudioSessionId(int audioSessionId) {}
/**
* Called when the audio attributes change.
*
* @param audioAttributes The audio attributes.
*/
default void onAudioAttributesChanged(AudioAttributes audioAttributes) {}
/**
* Called when the volume changes.
*
* @param volume The new volume, with 0 being silence and 1 being unity gain.
*/
default void onVolumeChanged(float volume) {}
}
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