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_MEDIAMETADATARETRIEVERINTERFACE_H 19 #define ANDROID_MEDIAMETADATARETRIEVERINTERFACE_H 20 21 #include <utils/RefBase.h> 22 #include <media/mediametadataretriever.h> 23 #include <media/mediascanner.h> 24 #include <private/media/VideoFrame.h> 25 #include <media/stagefright/MediaErrors.h> 26 27 namespace android { 28 29 class DataSource; 30 struct IMediaHTTPService; 31 32 // Abstract base class 33 class MediaMetadataRetrieverBase : public RefBase 34 { 35 public: 36 MediaMetadataRetrieverBase() {} 37 virtual ~MediaMetadataRetrieverBase() {} 38 39 virtual status_t setDataSource( 40 const sp<IMediaHTTPService> &httpService, 41 const char *url, 42 const KeyedVector<String8, String8> *headers = NULL) = 0; 43 44 virtual status_t setDataSource(int fd, int64_t offset, int64_t length) = 0; 45 virtual status_t setDataSource(const sp<DataSource>& source, const char *mime) = 0; 46 virtual sp<IMemory> getFrameAtTime( 47 int64_t timeUs, int option, int colorFormat, bool metaOnly) = 0; 48 virtual sp<IMemory> getImageAtIndex( 49 int index, int colorFormat, bool metaOnly, bool thumbnail) = 0; 50 virtual sp<IMemory> getImageRectAtIndex( 51 int index, int colorFormat, int left, int top, int right, int bottom) = 0; 52 virtual status_t getFrameAtIndex( 53 std::vector<sp<IMemory> >* frames, 54 int frameIndex, int numFrames, int colorFormat, bool metaOnly) = 0; 55 virtual MediaAlbumArt* extractAlbumArt() = 0; 56 virtual const char* extractMetadata(int keyCode) = 0; 57 }; 58 59 }; // namespace android 60 61 #endif // ANDROID_MEDIAMETADATARETRIEVERINTERFACE_H 62
