blob: 063872ae2ebf558fe9c2a5b9fdafbbcdd3034e86 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
/*
* Copyright (C) 2017 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.dvb;
import org.mozilla.thirdparty.com.google.android.exoplayer2.text.SimpleSubtitleDecoder;
import org.mozilla.thirdparty.com.google.android.exoplayer2.text.Subtitle;
import org.mozilla.thirdparty.com.google.android.exoplayer2.util.ParsableByteArray;
import java.util.List;
/** A {@link SimpleSubtitleDecoder} for DVB subtitles. */
public final class DvbDecoder extends SimpleSubtitleDecoder {
private final DvbParser parser;
/**
* @param initializationData The initialization data for the decoder. The initialization data
* must consist of a single byte array containing 5 bytes: flag_pes_stripped (1),
* composition_page (2), ancillary_page (2).
*/
public DvbDecoder(List<byte[]> initializationData) {
super("DvbDecoder");
ParsableByteArray data = new ParsableByteArray(initializationData.get(0));
int subtitleCompositionPage = data.readUnsignedShort();
int subtitleAncillaryPage = data.readUnsignedShort();
parser = new DvbParser(subtitleCompositionPage, subtitleAncillaryPage);
}
@Override
protected Subtitle decode(byte[] data, int length, boolean reset) {
if (reset) {
parser.reset();
}
return new DvbSubtitle(parser.decode(data, length));
}
}
|
