NuPlayerSource.h revision eac68baf095aeef54865c28b6888924dc6295cbd
1/* 2 * Copyright (C) 2010 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 17#ifndef NUPLAYER_SOURCE_H_ 18 19#define NUPLAYER_SOURCE_H_ 20 21#include "NuPlayer.h" 22 23namespace android { 24 25struct ABuffer; 26 27struct NuPlayer::Source : public RefBase { 28 Source() {} 29 30 virtual void start() = 0; 31 32 // Returns OK iff more data was available, 33 // an error or ERROR_END_OF_STREAM if not. 34 virtual status_t feedMoreTSData() = 0; 35 36 virtual sp<MetaData> getFormat(bool audio) = 0; 37 38 virtual status_t dequeueAccessUnit( 39 bool audio, sp<ABuffer> *accessUnit) = 0; 40 41 virtual status_t getDuration(int64_t *durationUs) { 42 return INVALID_OPERATION; 43 } 44 45 virtual status_t seekTo(int64_t seekTimeUs) { 46 return INVALID_OPERATION; 47 } 48 49 virtual bool isSeekable() { 50 return false; 51 } 52 53protected: 54 virtual ~Source() {} 55 56private: 57 DISALLOW_EVIL_CONSTRUCTORS(Source); 58}; 59 60} // namespace android 61 62#endif // NUPLAYER_SOURCE_H_ 63 64