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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 com.android.tv.tuner.source;
import com.google.android.exoplayer.upstream.DataSource;
/**
* {@link DataSource} for MPEG-TS stream, which will be used by {@link TsExtractor}.
*/
public abstract class TsDataSource implements DataSource {
/**
* Returns the number of bytes being buffered by {@link TsStreamer} so far.
*
* @return the buffered position
*/
public long getBufferedPosition() {
return 0;
}
/**
* Returns the offset position where the last {@link DataSource#read} read.
*
* @return the last read position
*/
public long getLastReadPosition() {
return 0;
}
/**
* Shifts start position by the specified offset.
* Do not call this method when the class already provided MPEG-TS stream to the extractor.
* @param offset 0 <= offset <= buffered position
*/
public void shiftStartPosition(long offset) { }
}
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