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synced 2025-04-30 06:46:50 +08:00
keep maximum number of subtitles to four.
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106ebbf7df
commit
fd2ebc767c
@ -18,15 +18,18 @@ package com.google.android.exoplayer.text.tx3g;
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import java.util.Comparator;
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/**
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* A representation of a single tx3g.
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*/
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class SubtitleData implements Comparable <SubtitleData>, Comparator<SubtitleData> {
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public final long startTimePosUs;
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public final String strSubtitle;
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public final String subtitle;
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SubtitleData(long startTimePosUs, String strSubtitle)
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SubtitleData(long startTimePosUs, String subtitle)
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{
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this.startTimePosUs = startTimePosUs;
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this.strSubtitle = strSubtitle;
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this.subtitle = subtitle;
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}
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@Override
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@ -19,8 +19,6 @@ import com.google.android.exoplayer.text.Subtitle;
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import com.google.android.exoplayer.text.SubtitleParser;
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import com.google.android.exoplayer.util.MimeTypes;
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import android.util.Log;
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import java.io.DataInputStream;
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import java.io.IOException;
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import java.io.InputStream;
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@ -40,13 +38,12 @@ public class TextParser implements SubtitleParser {
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private static final String TAG = "TextParser";
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private final List<SubtitleData> subtitleList;
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private static final int MAX_SUBTITLE_COUNT = 4;
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public TextParser() {
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Log.i(TAG,"TextParser ");
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subtitleList = new LinkedList<SubtitleData>();
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}
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@Override
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public Subtitle parse(InputStream inputStream, String inputEncoding, long startTimeUs)
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throws IOException {
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@ -54,10 +51,13 @@ public class TextParser implements SubtitleParser {
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DataInputStream in = new DataInputStream(inputStream);
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String text = in.readUTF();
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text = (text == null) ? "" : text;
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Log.i(TAG,"parse(" + text + "," + startTimeUs + ")" );
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SubtitleData cue = new SubtitleData(startTimeUs, text);
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while (subtitleList.size() > MAX_SUBTITLE_COUNT) {
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subtitleList.remove(0);
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}
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subtitleList.add(cue);
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Collections.sort(subtitleList, new Comparator<SubtitleData>() {
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@ -70,13 +70,11 @@ public class TextParser implements SubtitleParser {
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return 0;
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}
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});
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TextSubtitle textSubtitle = new TextSubtitle(subtitleList);
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return textSubtitle;
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return new TextSubtitle(subtitleList);
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}
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@Override
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public boolean canParse(String mimeType) {
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boolean rtn = MimeTypes.APPLICATION_TX3G.equals(mimeType);
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return rtn;
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return MimeTypes.APPLICATION_TX3G.equals(mimeType);
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}
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}
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@ -34,7 +34,7 @@ public final class TextSubtitle implements Subtitle {
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@Override
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public long getStartTime() {
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return text.get(0).getStartTimePos();
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return text.get(0).startTimePosUs;
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}
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@Override
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@ -54,12 +54,12 @@ public final class TextSubtitle implements Subtitle {
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public long getEventTime(int index) {
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if (index > text.size() - 1) return -1;
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return text.get(index).getStartTimePos();
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return text.get(index).startTimePosUs;
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}
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@Override
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public long getLastEventTime() {
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return text.get(0).getStartTimePos();
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return text.get(0).startTimePosUs;
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}
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@Override
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@ -68,7 +68,7 @@ public final class TextSubtitle implements Subtitle {
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List<Cue> list = new ArrayList<>();
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if (index == -1) return null;
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String str = text.get(index).getsubtitleText();
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String str = text.get(index).subtitle;
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list.add(new Cue(str));
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return list;
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@ -80,10 +80,10 @@ public final class TextSubtitle implements Subtitle {
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int length = text.size();
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for (int i = 0; i < length ; i++) {
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SubtitleData data = text.get(i);
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boolean bCheckFront = data.getStartTimePos() <= timeUs ;
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boolean bCheckFront = data.startTimePosUs <= timeUs ;
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boolean bCheckEnd = false;
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if (i + 1 < length) {
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bCheckEnd = text.get(i + 1).getStartTimePos() > timeUs ;
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bCheckEnd = text.get(i + 1).startTimePosUs > timeUs ;
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} else if (i + 1 == length) {
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bCheckEnd = true;
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}
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