| /* |
| * 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 com.google.android.exoplayer2.text.ttml; |
| |
| import androidx.annotation.VisibleForTesting; |
| import com.google.android.exoplayer2.C; |
| import com.google.android.exoplayer2.text.Cue; |
| import com.google.android.exoplayer2.text.Subtitle; |
| import 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; |
| } |
| } |