OggExtractor.h revision b2487f03f12dcafdb801fc0007c8df8412397f44
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 24namespace android { 25 26struct AMessage; 27class DataSource; 28class String8; 29 30struct MyOggExtractor; 31struct OggSource; 32 33struct OggExtractor : public MediaExtractor { 34 OggExtractor(const sp<DataSource> &source); 35 36 virtual size_t countTracks(); 37 virtual sp<IMediaSource> getTrack(size_t index); 38 virtual sp<MetaData> getTrackMetaData(size_t index, uint32_t flags); 39 40 virtual sp<MetaData> getMetaData(); 41 virtual const char * name() { return "OggExtractor"; } 42 43protected: 44 virtual ~OggExtractor(); 45 46private: 47 friend struct OggSource; 48 49 sp<DataSource> mDataSource; 50 status_t mInitCheck; 51 52 MyOggExtractor *mImpl; 53 54 OggExtractor(const OggExtractor &); 55 OggExtractor &operator=(const OggExtractor &); 56}; 57 58bool SniffOgg( 59 const sp<DataSource> &source, String8 *mimeType, float *confidence, 60 sp<AMessage> *); 61 62void parseVorbisComment( 63 const sp<MetaData> &fileMeta, const char *comment, size_t commentLength); 64 65} // namespace android 66 67#endif // OGG_EXTRACTOR_H_ 68