BandwidthStatistic.java
/*
* Copyright 2021 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 androidx.media3.exoplayer.upstream.experimental;
import androidx.media3.common.util.UnstableApi;
/** The interface for different bandwidth estimation statistics. */
@UnstableApi
public interface BandwidthStatistic {
/**
* Adds a transfer sample to the statistic.
*
* @param bytes The number of bytes transferred.
* @param durationUs The duration of the transfer, in microseconds.
*/
void addSample(long bytes, long durationUs);
/**
* Returns the bandwidth estimate in bits per second, or {@link
* BandwidthEstimator#ESTIMATE_NOT_AVAILABLE} if there is no estimate available yet.
*/
long getBandwidthEstimate();
/**
* Resets the statistic. The statistic should drop all samples and reset to its initial state,
* similar to right after construction.
*/
void reset();
}