1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package com.google.android.exoplayer2.text; 17 18 import com.google.android.exoplayer2.decoder.Decoder; 19 20 /** 21 * Decodes {@link Subtitle}s from {@link SubtitleInputBuffer}s. 22 */ 23 public interface SubtitleDecoder extends 24 Decoder<SubtitleInputBuffer, SubtitleOutputBuffer, SubtitleDecoderException> { 25 26 /** 27 * Informs the decoder of the current playback position. 28 * <p> 29 * Must be called prior to each attempt to dequeue output buffers from the decoder. 30 * 31 * @param positionUs The current playback position in microseconds. 32 */ setPositionUs(long positionUs)33 void setPositionUs(long positionUs); 34 35 } 36