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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.source.chunk;
import org.mozilla.thirdparty.com.google.android.exoplayer2.upstream.DataSpec;
import java.util.List;
/** A {@link MediaChunkIterator} which iterates over a {@link List} of {@link MediaChunk}s. */
public final class MediaChunkListIterator extends BaseMediaChunkIterator {
private final List<? extends MediaChunk> chunks;
private final boolean reverseOrder;
/**
* Creates iterator.
*
* @param chunks The list of chunks to iterate over.
* @param reverseOrder Whether to iterate in reverse order.
*/
public MediaChunkListIterator(List<? extends MediaChunk> chunks, boolean reverseOrder) {
super(0, chunks.size() - 1);
this.chunks = chunks;
this.reverseOrder = reverseOrder;
}
@Override
public DataSpec getDataSpec() {
return getCurrentChunk().dataSpec;
}
@Override
public long getChunkStartTimeUs() {
return getCurrentChunk().startTimeUs;
}
@Override
public long getChunkEndTimeUs() {
return getCurrentChunk().endTimeUs;
}
private MediaChunk getCurrentChunk() {
int index = (int) super.getCurrentIndex();
if (reverseOrder) {
index = chunks.size() - 1 - index;
}
return chunks.get(index);
}
}
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