usbtuner/src/com/android/usbtuner/tvinput/PlaybackCacheListener.java

/*
 * Copyright (C) 2015 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 com.android.usbtuner.tvinput;

/**
 * The listener for cache events occurred during playback.
 */
public interface PlaybackCacheListener {

    /**
     * Invoked when the start position of the cache has been changed.
     *
     * @param startTimeMs the new start time of the cache in millisecond
     */
    void onCacheStartTimeChanged(long startTimeMs);

    /**
     * Invoked when the state of the cache has been changed.
     *
     * @param available whether the cache is available or not
     */
    void onCacheStateChanged(boolean available);

    /**
     * Invoked when the disk speed is too slow to write the caches.
     */
    void onDiskTooSlow();
}