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/*
* 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 org.mozilla.thirdparty.com.google.android.exoplayer2.extractor.mp3;
import org.mozilla.thirdparty.com.google.android.exoplayer2.C;
import org.mozilla.thirdparty.com.google.android.exoplayer2.extractor.ConstantBitrateSeekMap;
import org.mozilla.thirdparty.com.google.android.exoplayer2.extractor.MpegAudioHeader;
/**
* MP3 seeker that doesn't rely on metadata and seeks assuming the source has a constant bitrate.
*/
/* package */ final class ConstantBitrateSeeker extends ConstantBitrateSeekMap implements Seeker {
/**
* @param inputLength The length of the stream in bytes, or {@link C#LENGTH_UNSET} if unknown.
* @param firstFramePosition The position of the first frame in the stream.
* @param mpegAudioHeader The MPEG audio header associated with the first frame.
*/
public ConstantBitrateSeeker(
long inputLength, long firstFramePosition, MpegAudioHeader mpegAudioHeader) {
super(inputLength, firstFramePosition, mpegAudioHeader.bitrate, mpegAudioHeader.frameSize);
}
@Override
public long getTimeUs(long position) {
return getTimeUsAtPosition(position);
}
@Override
public long getDataEndPosition() {
return C.POSITION_UNSET;
}
}
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