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 STAGEFRIGHT_METADATA_RETRIEVER_H_ 18 19 #define STAGEFRIGHT_METADATA_RETRIEVER_H_ 20 21 #include <media/IMediaExtractor.h> 22 #include <media/MediaMetadataRetrieverInterface.h> 23 24 #include <utils/KeyedVector.h> 25 26 namespace android { 27 28 class DataSource; 29 class MediaExtractor; 30 struct ImageDecoder; 31 struct FrameRect; 32 33 struct StagefrightMetadataRetriever : public MediaMetadataRetrieverBase { 34 StagefrightMetadataRetriever(); 35 virtual ~StagefrightMetadataRetriever(); 36 37 virtual status_t setDataSource( 38 const sp<IMediaHTTPService> &httpService, 39 const char *url, 40 const KeyedVector<String8, String8> *headers); 41 42 virtual status_t setDataSource(int fd, int64_t offset, int64_t length); 43 virtual status_t setDataSource(const sp<DataSource>& source, const char *mime); 44 45 virtual sp<IMemory> getFrameAtTime( 46 int64_t timeUs, int option, int colorFormat, bool metaOnly); 47 virtual sp<IMemory> getImageAtIndex( 48 int index, int colorFormat, bool metaOnly, bool thumbnail); 49 virtual sp<IMemory> getImageRectAtIndex( 50 int index, int colorFormat, int left, int top, int right, int bottom); 51 virtual status_t getFrameAtIndex( 52 std::vector<sp<IMemory> >* frames, 53 int frameIndex, int numFrames, int colorFormat, bool metaOnly); 54 55 virtual MediaAlbumArt *extractAlbumArt(); 56 virtual const char *extractMetadata(int keyCode); 57 58 private: 59 sp<DataSource> mSource; 60 sp<IMediaExtractor> mExtractor; 61 62 bool mParsedMetaData; 63 KeyedVector<int, String8> mMetaData; 64 MediaAlbumArt *mAlbumArt; 65 66 sp<ImageDecoder> mImageDecoder; 67 int mLastImageIndex; 68 void parseMetaData(); 69 // Delete album art and clear metadata. 70 void clearMetadata(); 71 72 status_t getFrameInternal( 73 int64_t timeUs, int numFrames, int option, int colorFormat, bool metaOnly, 74 sp<IMemory>* outFrame, std::vector<sp<IMemory> >* outFrames); 75 virtual sp<IMemory> getImageInternal( 76 int index, int colorFormat, bool metaOnly, bool thumbnail, FrameRect* rect); 77 78 StagefrightMetadataRetriever(const StagefrightMetadataRetriever &); 79 80 StagefrightMetadataRetriever &operator=( 81 const StagefrightMetadataRetriever &); 82 }; 83 84 } // namespace android 85 86 #endif // STAGEFRIGHT_METADATA_RETRIEVER_H_ 87