FilterableManifest.java
/*
* 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 androidx.media3.exoplayer.offline;
import androidx.media3.common.StreamKey;
import androidx.media3.common.util.UnstableApi;
import java.util.List;
/**
* A manifest that can generate copies of itself including only the streams specified by the given
* keys.
*
* @param <T> The manifest type.
*/
@UnstableApi
public interface FilterableManifest<T> {
/**
* Returns a copy of the manifest including only the streams specified by the given keys. If the
* manifest is unchanged then the instance may return itself.
*
* @param streamKeys A non-empty list of stream keys.
* @return The filtered manifest.
*/
T copy(List<StreamKey> streamKeys);
}