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 DRM_EXTRACTOR_H_ 18 19 #define DRM_EXTRACTOR_H_ 20 21 #include <media/IMediaSource.h> 22 #include <media/stagefright/MediaExtractor.h> 23 #include <drm/DrmManagerClient.h> 24 25 namespace android { 26 27 struct AMessage; 28 class DataSource; 29 class SampleTable; 30 class String8; 31 class DecryptHandle; 32 33 class DRMExtractor : public MediaExtractor { 34 public: 35 DRMExtractor(const sp<DataSource> &source, const char *mime); 36 37 virtual size_t countTracks(); 38 virtual sp<IMediaSource> getTrack(size_t index); 39 virtual sp<MetaData> getTrackMetaData(size_t index, uint32_t flags); 40 virtual sp<MetaData> getMetaData(); name()41 virtual const char * name() { return "DRMExtractor"; } 42 43 protected: 44 virtual ~DRMExtractor(); 45 46 private: 47 sp<DataSource> mDataSource; 48 49 sp<IMediaExtractor> mOriginalExtractor; 50 sp<DecryptHandle> mDecryptHandle; 51 DrmManagerClient* mDrmManagerClient; 52 53 DRMExtractor(const DRMExtractor &); 54 DRMExtractor &operator=(const DRMExtractor &); 55 }; 56 57 bool SniffDRM( 58 const sp<DataSource> &source, String8 *mimeType, float *confidence, 59 sp<AMessage> *); 60 61 } // namespace android 62 63 #endif // DRM_EXTRACTOR_H_ 64 65