NuPlayerSource.h revision 43c3e6ce02215ca99d506458f596cb1211639f29
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 true iff more data was available, false on EOS. 33 virtual bool feedMoreTSData() = 0; 34 35 virtual sp<MetaData> getFormat(bool audio) = 0; 36 37 virtual status_t dequeueAccessUnit( 38 bool audio, sp<ABuffer> *accessUnit) = 0; 39 40 virtual status_t getDuration(int64_t *durationUs) { 41 return INVALID_OPERATION; 42 } 43 44 virtual status_t seekTo(int64_t seekTimeUs) { 45 return INVALID_OPERATION; 46 } 47 48 virtual bool isSeekable() { 49 return false; 50 } 51 52protected: 53 virtual ~Source() {} 54 55private: 56 DISALLOW_EVIL_CONSTRUCTORS(Source); 57}; 58 59} // namespace android 60 61#endif // NUPLAYER_SOURCE_H_ 62 63