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 AAC_EXTRACTOR_H_ 18 19 #define AAC_EXTRACTOR_H_ 20 21 #include <media/stagefright/MediaExtractor.h> 22 23 #include <utils/Vector.h> 24 25 namespace android { 26 27 struct AMessage; 28 class String8; 29 30 class AACExtractor : public MediaExtractor { 31 public: 32 AACExtractor(const sp<DataSource> &source, const sp<AMessage> &meta); 33 34 virtual size_t countTracks(); 35 virtual sp<IMediaSource> getTrack(size_t index); 36 virtual sp<MetaData> getTrackMetaData(size_t index, uint32_t flags); 37 38 virtual sp<MetaData> getMetaData(); 39 virtual const char * name() { return "AACExtractor"; } 40 41 protected: 42 virtual ~AACExtractor(); 43 44 private: 45 sp<DataSource> mDataSource; 46 sp<MetaData> mMeta; 47 status_t mInitCheck; 48 49 Vector<uint64_t> mOffsetVector; 50 int64_t mFrameDurationUs; 51 52 AACExtractor(const AACExtractor &); 53 AACExtractor &operator=(const AACExtractor &); 54 }; 55 56 bool SniffAAC( 57 const sp<DataSource> &source, String8 *mimeType, float *confidence, 58 sp<AMessage> *); 59 60 } // namespace android 61 62 #endif // AAC_EXTRACTOR_H_ 63
