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 OGG_EXTRACTOR_H_ 18 19 #define OGG_EXTRACTOR_H_ 20 21 #include <media/stagefright/MediaExtractor.h> 22 23 namespace android { 24 25 struct AMessage; 26 class DataSource; 27 class String8; 28 29 struct MyVorbisExtractor; 30 struct OggSource; 31 32 struct OggExtractor : public MediaExtractor { 33 OggExtractor(const sp<DataSource> &source); 34 35 virtual size_t countTracks(); 36 virtual sp<MediaSource> getTrack(size_t index); 37 virtual sp<MetaData> getTrackMetaData(size_t index, uint32_t flags); 38 39 virtual sp<MetaData> getMetaData(); 40 41 protected: 42 virtual ~OggExtractor(); 43 44 private: 45 friend struct OggSource; 46 47 sp<DataSource> mDataSource; 48 status_t mInitCheck; 49 50 MyVorbisExtractor *mImpl; 51 52 OggExtractor(const OggExtractor &); 53 OggExtractor &operator=(const OggExtractor &); 54 }; 55 56 bool SniffOgg( 57 const sp<DataSource> &source, String8 *mimeType, float *confidence, 58 sp<AMessage> *); 59 60 } // namespace android 61 62 #endif // OGG_EXTRACTOR_H_ 63