1 /* 2 * Copyright (C) 2009 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 MEDIA_EXTRACTOR_H_ 18 19 #define MEDIA_EXTRACTOR_H_ 20 21 #include <utils/RefBase.h> 22 23 namespace android { 24 25 class DataSource; 26 class MediaSource; 27 class MetaData; 28 29 class MediaExtractor : public RefBase { 30 public: 31 static sp<MediaExtractor> Create( 32 const sp<DataSource> &source, const char *mime = NULL); 33 34 virtual size_t countTracks() = 0; 35 virtual sp<MediaSource> getTrack(size_t index) = 0; 36 virtual sp<MetaData> getTrackMetaData(size_t index) = 0; 37 38 protected: MediaExtractor()39 MediaExtractor() {} ~MediaExtractor()40 virtual ~MediaExtractor() {} 41 42 private: 43 MediaExtractor(const MediaExtractor &); 44 MediaExtractor &operator=(const MediaExtractor &); 45 }; 46 47 } // namespace android 48 49 #endif // MEDIA_EXTRACTOR_H_ 50