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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.text.tx3g;
import org.mozilla.thirdparty.com.google.android.exoplayer2.C;
import org.mozilla.thirdparty.com.google.android.exoplayer2.text.Cue;
import org.mozilla.thirdparty.com.google.android.exoplayer2.text.Subtitle;
import org.mozilla.thirdparty.com.google.android.exoplayer2.util.Assertions;
import java.util.Collections;
import java.util.List;
/**
* A representation of a tx3g subtitle.
*/
/* package */ final class Tx3gSubtitle implements Subtitle {
public static final Tx3gSubtitle EMPTY = new Tx3gSubtitle();
private final List<Cue> cues;
public Tx3gSubtitle(Cue cue) {
this.cues = Collections.singletonList(cue);
}
private Tx3gSubtitle() {
this.cues = Collections.emptyList();
}
@Override
public int getNextEventTimeIndex(long timeUs) {
return timeUs < 0 ? 0 : C.INDEX_UNSET;
}
@Override
public int getEventTimeCount() {
return 1;
}
@Override
public long getEventTime(int index) {
Assertions.checkArgument(index == 0);
return 0;
}
@Override
public List<Cue> getCues(long timeUs) {
return timeUs >= 0 ? cues : Collections.emptyList();
}
}
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