AMRExtractor.h revision 66326a5ee0869f1ee4d136a477e6effba428b3cb
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 23namespace android { 24 25class String8; 26 27class AMRExtractor : public MediaExtractor { 28public: 29 AMRExtractor(const sp<DataSource> &source); 30 31 virtual size_t countTracks(); 32 virtual sp<MediaSource> getTrack(size_t index); 33 virtual sp<MetaData> getTrackMetaData(size_t index, uint32_t flags); 34 35 static sp<MetaData> makeAMRFormat(bool isWide); 36 37protected: 38 virtual ~AMRExtractor(); 39 40private: 41 sp<DataSource> mDataSource; 42 status_t mInitCheck; 43 bool mIsWide; 44 45 AMRExtractor(const AMRExtractor &); 46 AMRExtractor &operator=(const AMRExtractor &); 47}; 48 49bool SniffAMR( 50 const sp<DataSource> &source, String8 *mimeType, float *confidence); 51 52} // namespace android 53 54#endif // AMR_EXTRACTOR_H_ 55