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 23 namespace android { 24 25 struct ABuffer; 26 27 struct NuPlayer::Source : public RefBase { SourceSource28 Source() {} 29 30 virtual void start() = 0; stopSource31 virtual void stop() {} 32 33 // Returns OK iff more data was available, 34 // an error or ERROR_END_OF_STREAM if not. 35 virtual status_t feedMoreTSData() = 0; 36 37 virtual sp<MetaData> getFormat(bool audio) = 0; 38 39 virtual status_t dequeueAccessUnit( 40 bool audio, sp<ABuffer> *accessUnit) = 0; 41 getDurationSource42 virtual status_t getDuration(int64_t *durationUs) { 43 return INVALID_OPERATION; 44 } 45 seekToSource46 virtual status_t seekTo(int64_t seekTimeUs) { 47 return INVALID_OPERATION; 48 } 49 isSeekableSource50 virtual bool isSeekable() { 51 return false; 52 } 53 54 protected: ~SourceSource55 virtual ~Source() {} 56 57 private: 58 DISALLOW_EVIL_CONSTRUCTORS(Source); 59 }; 60 61 } // namespace android 62 63 #endif // NUPLAYER_SOURCE_H_ 64 65