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 <utils/Errors.h> 22 #include <media/stagefright/MediaExtractor.h> 23 24 namespace android { 25 26 struct AMessage; 27 class DataSource; 28 class String8; 29 30 struct MyVorbisExtractor; 31 struct OggSource; 32 33 struct OggExtractor : public MediaExtractor { 34 OggExtractor(const sp<DataSource> &source); 35 36 virtual size_t countTracks(); 37 virtual sp<MediaSource> getTrack(size_t index); 38 virtual sp<MetaData> getTrackMetaData(size_t index, uint32_t flags); 39 40 virtual sp<MetaData> getMetaData(); 41 42 protected: 43 virtual ~OggExtractor(); 44 45 private: 46 friend struct OggSource; 47 48 sp<DataSource> mDataSource; 49 status_t mInitCheck; 50 51 MyVorbisExtractor *mImpl; 52 53 OggExtractor(const OggExtractor &); 54 OggExtractor &operator=(const OggExtractor &); 55 }; 56 57 bool SniffOgg( 58 const sp<DataSource> &source, String8 *mimeType, float *confidence, 59 sp<AMessage> *); 60 61 void parseVorbisComment( 62 const sp<MetaData> &fileMeta, const char *comment, size_t commentLength); 63 64 } // namespace android 65 66 #endif // OGG_EXTRACTOR_H_ 67
