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/*
* Copyright (C) 2011 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 android.media;
import android.os.Parcel;
/**
* @hide
*
* Class to hold the subtitle track's data, including:
* <ul>
* <li> Track index</li>
* <li> Start time (in microseconds) of the data</li>
* <li> Duration (in microseconds) of the data</li>
* <li> A byte-array of the data</li>
* </ul>
*
* <p> To receive the subtitle data, applications need to do the following:
*
* <ul>
* <li> Select a track of type MEDIA_TRACK_TYPE_SUBTITLE with {@link MediaPlayer.selectTrack(int)</li>
* <li> Implement the {@link MediaPlayer.OnSubtitleDataListener} interface</li>
* <li> Register the {@link MediaPlayer.OnSubtitleDataListener} callback on a MediaPlayer object</li>
* </ul>
*
* @see android.media.MediaPlayer
*/
public final class SubtitleData
{
private static final String TAG = "SubtitleData";
private int mTrackIndex;
private long mStartTimeUs;
private long mDurationUs;
private byte[] mData;
public SubtitleData(Parcel parcel) {
if (!parseParcel(parcel)) {
throw new IllegalArgumentException("parseParcel() fails");
}
}
public int getTrackIndex() {
return mTrackIndex;
}
public long getStartTimeUs() {
return mStartTimeUs;
}
public long getDurationUs() {
return mDurationUs;
}
public byte[] getData() {
return mData;
}
private boolean parseParcel(Parcel parcel) {
parcel.setDataPosition(0);
if (parcel.dataAvail() == 0) {
return false;
}
mTrackIndex = parcel.readInt();
mStartTimeUs = parcel.readLong();
mDurationUs = parcel.readLong();
mData = new byte[parcel.readInt()];
parcel.readByteArray(mData);
return true;
}
}
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