1 /* 2 * Copyright (C) 2011 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 FLAC_EXTRACTOR_H_ 18 #define FLAC_EXTRACTOR_H_ 19 20 #include <media/DataSourceBase.h> 21 #include <media/MediaExtractorPluginApi.h> 22 #include <media/MediaExtractorPluginHelper.h> 23 #include <media/NdkMediaFormat.h> 24 #include <utils/String8.h> 25 26 namespace android { 27 28 class FLACParser; 29 30 class FLACExtractor : public MediaExtractorPluginHelper { 31 32 public: 33 explicit FLACExtractor(DataSourceHelper *source); 34 35 virtual size_t countTracks(); 36 virtual MediaTrackHelper *getTrack(size_t index); 37 virtual media_status_t getTrackMetaData(AMediaFormat *meta, size_t index, uint32_t flags); 38 39 virtual media_status_t getMetaData(AMediaFormat *meta); name()40 virtual const char * name() { return "FLACExtractor"; } 41 42 protected: 43 virtual ~FLACExtractor(); 44 45 private: 46 DataSourceHelper *mDataSource; 47 FLACParser *mParser; 48 status_t mInitCheck; 49 AMediaFormat *mFileMetadata; 50 51 // There is only one track 52 AMediaFormat *mTrackMetadata; 53 54 FLACExtractor(const FLACExtractor &); 55 FLACExtractor &operator=(const FLACExtractor &); 56 57 }; 58 59 } // namespace android 60 61 #endif // FLAC_EXTRACTOR_H_ 62