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/*
* Copyright (C) 2016 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 androidx.annotation.Nullable;
import org.mozilla.thirdparty.com.google.android.exoplayer2.C;
import org.mozilla.thirdparty.com.google.android.exoplayer2.Format;
import org.mozilla.thirdparty.com.google.android.exoplayer2.upstream.DataSource;
import org.mozilla.thirdparty.com.google.android.exoplayer2.upstream.DataSpec;
import org.mozilla.thirdparty.com.google.android.exoplayer2.util.Assertions;
/**
* An abstract base class for {@link Chunk}s that contain media samples.
*/
public abstract class MediaChunk extends Chunk {
/** The chunk index, or {@link C#INDEX_UNSET} if it is not known. */
public final long chunkIndex;
/**
* @param dataSource The source from which the data should be loaded.
* @param dataSpec Defines the data to be loaded.
* @param trackFormat See {@link #trackFormat}.
* @param trackSelectionReason See {@link #trackSelectionReason}.
* @param trackSelectionData See {@link #trackSelectionData}.
* @param startTimeUs The start time of the media contained by the chunk, in microseconds.
* @param endTimeUs The end time of the media contained by the chunk, in microseconds.
* @param chunkIndex The index of the chunk, or {@link C#INDEX_UNSET} if it is not known.
*/
public MediaChunk(
DataSource dataSource,
DataSpec dataSpec,
Format trackFormat,
int trackSelectionReason,
@Nullable Object trackSelectionData,
long startTimeUs,
long endTimeUs,
long chunkIndex) {
super(dataSource, dataSpec, C.DATA_TYPE_MEDIA, trackFormat, trackSelectionReason,
trackSelectionData, startTimeUs, endTimeUs);
Assertions.checkNotNull(trackFormat);
this.chunkIndex = chunkIndex;
}
/** Returns the next chunk index or {@link C#INDEX_UNSET} if it is not known. */
public long getNextChunkIndex() {
return chunkIndex != C.INDEX_UNSET ? chunkIndex + 1 : C.INDEX_UNSET;
}
/**
* Returns whether the chunk has been fully loaded.
*/
public abstract boolean isLoadCompleted();
}
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