1 /* 2 * Copyright (C) 2009 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 AMR_EXTRACTOR_H_ 18 19 #define AMR_EXTRACTOR_H_ 20 21 #include <media/stagefright/MediaExtractor.h> 22 23 namespace android { 24 25 struct AMessage; 26 class String8; 27 28 class AMRExtractor : public MediaExtractor { 29 public: 30 AMRExtractor(const sp<DataSource> &source); 31 32 virtual size_t countTracks(); 33 virtual sp<MediaSource> getTrack(size_t index); 34 virtual sp<MetaData> getTrackMetaData(size_t index, uint32_t flags); 35 36 virtual sp<MetaData> getMetaData(); 37 38 protected: 39 virtual ~AMRExtractor(); 40 41 private: 42 sp<DataSource> mDataSource; 43 sp<MetaData> mMeta; 44 status_t mInitCheck; 45 size_t mFrameSize; 46 bool mIsWide; 47 48 AMRExtractor(const AMRExtractor &); 49 AMRExtractor &operator=(const AMRExtractor &); 50 }; 51 52 bool SniffAMR( 53 const sp<DataSource> &source, String8 *mimeType, float *confidence, 54 sp<AMessage> *); 55 56 } // namespace android 57 58 #endif // AMR_EXTRACTOR_H_ 59
