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/*
* Copyright 2011 Sebastian Annies, Hamburg
*
* 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.googlecode.mp4parser.srt;
import com.googlecode.mp4parser.authoring.tracks.TextTrackImpl;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.LineNumberReader;
/**
* Parses a .srt file and creates a Track for it.
*/
public class SrtParser {
public static TextTrackImpl parse(InputStream is) throws IOException {
LineNumberReader r = new LineNumberReader(new InputStreamReader(is, "UTF-8"));
TextTrackImpl track = new TextTrackImpl();
String numberString;
while ((numberString = r.readLine()) != null) {
String timeString = r.readLine();
String lineString = "";
String s;
while (!((s = r.readLine()) == null || s.trim().equals(""))) {
lineString += s + "\n";
}
long startTime = parse(timeString.split("-->")[0]);
long endTime = parse(timeString.split("-->")[1]);
track.getSubs().add(new TextTrackImpl.Line(startTime, endTime, lineString));
}
return track;
}
private static long parse(String in) {
long hours = Long.parseLong(in.split(":")[0].trim());
long minutes = Long.parseLong(in.split(":")[1].trim());
long seconds = Long.parseLong(in.split(":")[2].split(",")[0].trim());
long millies = Long.parseLong(in.split(":")[2].split(",")[1].trim());
return hours * 60 * 60 * 1000 + minutes * 60 * 1000 + seconds * 1000 + millies;
}
}
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