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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.ttml;
import androidx.annotation.VisibleForTesting;
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.Util;
import java.util.Collections;
import java.util.List;
import java.util.Map;
/**
* A representation of a TTML subtitle.
*/
/* package */ final class TtmlSubtitle implements Subtitle {
private final TtmlNode root;
private final long[] eventTimesUs;
private final Map<String, TtmlStyle> globalStyles;
private final Map<String, TtmlRegion> regionMap;
private final Map<String, String> imageMap;
public TtmlSubtitle(
TtmlNode root,
Map<String, TtmlStyle> globalStyles,
Map<String, TtmlRegion> regionMap,
Map<String, String> imageMap) {
this.root = root;
this.regionMap = regionMap;
this.imageMap = imageMap;
this.globalStyles =
globalStyles != null ? Collections.unmodifiableMap(globalStyles) : Collections.emptyMap();
this.eventTimesUs = root.getEventTimesUs();
}
@Override
public int getNextEventTimeIndex(long timeUs) {
int index = Util.binarySearchCeil(eventTimesUs, timeUs, false, false);
return index < eventTimesUs.length ? index : C.INDEX_UNSET;
}
@Override
public int getEventTimeCount() {
return eventTimesUs.length;
}
@Override
public long getEventTime(int index) {
return eventTimesUs[index];
}
@VisibleForTesting
/* package */ TtmlNode getRoot() {
return root;
}
@Override
public List<Cue> getCues(long timeUs) {
return root.getCues(timeUs, globalStyles, regionMap, imageMap);
}
@VisibleForTesting
/* package */ Map<String, TtmlStyle> getGlobalStyles() {
return globalStyles;
}
}
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