1 /* 2 * Copyright (C) 2008 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 18 #ifndef MEDIAMETADATARETRIEVER_H 19 #define MEDIAMETADATARETRIEVER_H 20 21 #include <utils/Errors.h> // for status_t 22 #include <utils/threads.h> 23 #include <binder/IMemory.h> 24 #include <media/IMediaMetadataRetriever.h> 25 26 namespace android { 27 28 class IDataSource; 29 struct IMediaHTTPService; 30 class IMediaPlayerService; 31 class IMediaMetadataRetriever; 32 33 // Keep these in synch with the constants defined in MediaMetadataRetriever.java 34 // class. 35 enum { 36 METADATA_KEY_CD_TRACK_NUMBER = 0, 37 METADATA_KEY_ALBUM = 1, 38 METADATA_KEY_ARTIST = 2, 39 METADATA_KEY_AUTHOR = 3, 40 METADATA_KEY_COMPOSER = 4, 41 METADATA_KEY_DATE = 5, 42 METADATA_KEY_GENRE = 6, 43 METADATA_KEY_TITLE = 7, 44 METADATA_KEY_YEAR = 8, 45 METADATA_KEY_DURATION = 9, 46 METADATA_KEY_NUM_TRACKS = 10, 47 METADATA_KEY_WRITER = 11, 48 METADATA_KEY_MIMETYPE = 12, 49 METADATA_KEY_ALBUMARTIST = 13, 50 METADATA_KEY_DISC_NUMBER = 14, 51 METADATA_KEY_COMPILATION = 15, 52 METADATA_KEY_HAS_AUDIO = 16, 53 METADATA_KEY_HAS_VIDEO = 17, 54 METADATA_KEY_VIDEO_WIDTH = 18, 55 METADATA_KEY_VIDEO_HEIGHT = 19, 56 METADATA_KEY_BITRATE = 20, 57 METADATA_KEY_TIMED_TEXT_LANGUAGES = 21, 58 METADATA_KEY_IS_DRM = 22, 59 METADATA_KEY_LOCATION = 23, 60 METADATA_KEY_VIDEO_ROTATION = 24, 61 METADATA_KEY_CAPTURE_FRAMERATE = 25, 62 METADATA_KEY_HAS_IMAGE = 26, 63 METADATA_KEY_IMAGE_COUNT = 27, 64 METADATA_KEY_IMAGE_PRIMARY = 28, 65 METADATA_KEY_IMAGE_WIDTH = 29, 66 METADATA_KEY_IMAGE_HEIGHT = 30, 67 METADATA_KEY_IMAGE_ROTATION = 31, 68 METADATA_KEY_VIDEO_FRAME_COUNT = 32, 69 METADATA_KEY_EXIF_OFFSET = 33, 70 METADATA_KEY_EXIF_LENGTH = 34, 71 72 // Add more here... 73 }; 74 75 class MediaMetadataRetriever: public RefBase 76 { 77 public: 78 MediaMetadataRetriever(); 79 ~MediaMetadataRetriever(); 80 void disconnect(); 81 82 status_t setDataSource( 83 const sp<IMediaHTTPService> &httpService, 84 const char *dataSourceUrl, 85 const KeyedVector<String8, String8> *headers = NULL); 86 87 status_t setDataSource(int fd, int64_t offset, int64_t length); 88 status_t setDataSource( 89 const sp<IDataSource>& dataSource, const char *mime = NULL); 90 sp<IMemory> getFrameAtTime(int64_t timeUs, int option, 91 int colorFormat = HAL_PIXEL_FORMAT_RGB_565, bool metaOnly = false); 92 sp<IMemory> getImageAtIndex(int index, 93 int colorFormat = HAL_PIXEL_FORMAT_RGB_565, bool metaOnly = false, bool thumbnail = false); 94 sp<IMemory> getImageRectAtIndex( 95 int index, int colorFormat, int left, int top, int right, int bottom); 96 status_t getFrameAtIndex( 97 std::vector<sp<IMemory> > *frames, int frameIndex, int numFrames = 1, 98 int colorFormat = HAL_PIXEL_FORMAT_RGB_565, bool metaOnly = false); 99 sp<IMemory> extractAlbumArt(); 100 const char* extractMetadata(int keyCode); 101 102 private: 103 static const sp<IMediaPlayerService> getService(); 104 105 class DeathNotifier: public IBinder::DeathRecipient 106 { 107 public: 108 DeathNotifier() {} 109 virtual ~DeathNotifier(); 110 virtual void binderDied(const wp<IBinder>& who); 111 }; 112 113 static sp<DeathNotifier> sDeathNotifier; 114 static Mutex sServiceLock; 115 static sp<IMediaPlayerService> sService; 116 117 Mutex mLock; 118 sp<IMediaMetadataRetriever> mRetriever; 119 120 }; 121 122 }; // namespace android 123 124 #endif // MEDIAMETADATARETRIEVER_H 125
