1/* 2** 3** Copyright (C) 2008 The Android Open Source Project 4** 5** Licensed under the Apache License, Version 2.0 (the "License"); 6** you may not use this file except in compliance with the License. 7** You may obtain a copy of the License at 8** 9** http://www.apache.org/licenses/LICENSE-2.0 10** 11** Unless required by applicable law or agreed to in writing, software 12** distributed under the License is distributed on an "AS IS" BASIS, 13** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14** See the License for the specific language governing permissions and 15** limitations under the License. 16*/ 17 18#ifndef ANDROID_MEDIAMETADATARETRIEVERSERVICE_H 19#define ANDROID_MEDIAMETADATARETRIEVERSERVICE_H 20 21#include <utils/Log.h> 22#include <utils/threads.h> 23#include <utils/List.h> 24#include <utils/Errors.h> 25#include <utils/KeyedVector.h> 26#include <binder/IMemory.h> 27 28#include <media/MediaMetadataRetrieverInterface.h> 29 30 31namespace android { 32 33struct IMediaHTTPService; 34class IMediaPlayerService; 35class MemoryDealer; 36 37class MetadataRetrieverClient : public BnMediaMetadataRetriever 38{ 39public: 40 MetadataRetrieverClient(const sp<IMediaPlayerService>& service, pid_t pid, int32_t connId); 41 42 // Implements IMediaMetadataRetriever interface 43 // These methods are called in IMediaMetadataRetriever.cpp? 44 virtual void disconnect(); 45 46 virtual status_t setDataSource( 47 const sp<IMediaHTTPService> &httpService, 48 const char *url, 49 const KeyedVector<String8, String8> *headers); 50 51 virtual status_t setDataSource(int fd, int64_t offset, int64_t length); 52 virtual status_t setDataSource(const sp<IDataSource>& source, const char *mime); 53 virtual sp<IMemory> getFrameAtTime( 54 int64_t timeUs, int option, int colorFormat, bool metaOnly); 55 virtual sp<IMemory> getImageAtIndex( 56 int index, int colorFormat, bool metaOnly, bool thumbnail); 57 virtual sp<IMemory> getImageRectAtIndex( 58 int index, int colorFormat, int left, int top, int right, int bottom); 59 virtual status_t getFrameAtIndex( 60 std::vector<sp<IMemory> > *frames, 61 int frameIndex, int numFrames, int colorFormat, bool metaOnly); 62 virtual sp<IMemory> extractAlbumArt(); 63 virtual const char* extractMetadata(int keyCode); 64 65 virtual status_t dump(int fd, const Vector<String16>& args); 66 67private: 68 friend class MediaPlayerService; 69 70 explicit MetadataRetrieverClient(pid_t pid); 71 virtual ~MetadataRetrieverClient(); 72 73 mutable Mutex mLock; 74 static Mutex sLock; 75 sp<MediaMetadataRetrieverBase> mRetriever; 76 pid_t mPid; 77 78 // Keep the shared memory copy of album art 79 sp<IMemory> mAlbumArt; 80}; 81 82}; // namespace android 83 84#endif // ANDROID_MEDIAMETADATARETRIEVERSERVICE_H 85 86