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/*
* Copyright (C) 2014 Yuya Tanaka
*
* 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 net.ypresto.androidtranscoder.engine;
import android.media.MediaFormat;
public interface TrackTranscoder {
void setup();
/**
* Get actual MediaFormat which is used to write to muxer.
* To determine you should call {@link #stepPipeline()} several times.
*
* @return Actual output format determined by coder, or {@code null} if not yet determined.
*/
MediaFormat getDeterminedFormat();
/**
* Step pipeline if output is available in any step of it.
* It assumes muxer has been started, so you should call muxer.start() first.
*
* @return true if data moved in pipeline.
*/
boolean stepPipeline();
/**
* Get presentation time of last sample written to muxer.
*
* @return Presentation time in micro-second. Return value is undefined if finished writing.
*/
long getWrittenPresentationTimeUs();
boolean isFinished();
void release();
}
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