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      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_IMEDIAMETADATARETRIEVER_H
     19 #define ANDROID_IMEDIAMETADATARETRIEVER_H
     20 
     21 #include <binder/IInterface.h>
     22 #include <binder/IMemory.h>
     23 #include <utils/KeyedVector.h>
     24 #include <utils/RefBase.h>
     25 
     26 namespace android {
     27 class Parcel;
     28 class IDataSource;
     29 struct IMediaHTTPService;
     30 
     31 class IMediaMetadataRetriever: public IInterface
     32 {
     33 public:
     34     DECLARE_META_INTERFACE(MediaMetadataRetriever);
     35     virtual void            disconnect() = 0;
     36 
     37     virtual status_t        setDataSource(
     38             const sp<IMediaHTTPService> &httpService,
     39             const char *srcUrl,
     40             const KeyedVector<String8, String8> *headers = NULL) = 0;
     41 
     42     virtual status_t        setDataSource(int fd, int64_t offset, int64_t length) = 0;
     43     virtual status_t        setDataSource(
     44             const sp<IDataSource>& dataSource, const char *mime) = 0;
     45     virtual sp<IMemory>     getFrameAtTime(
     46             int64_t timeUs, int option, int colorFormat, bool metaOnly) = 0;
     47     virtual sp<IMemory>     extractAlbumArt() = 0;
     48     virtual const char*     extractMetadata(int keyCode) = 0;
     49 };
     50 
     51 // ----------------------------------------------------------------------------
     52 
     53 class BnMediaMetadataRetriever: public BnInterface<IMediaMetadataRetriever>
     54 {
     55 public:
     56     virtual status_t    onTransact(uint32_t code,
     57                                    const Parcel& data,
     58                                    Parcel* reply,
     59                                    uint32_t flags = 0);
     60 };
     61 
     62 }; // namespace android
     63 
     64 #endif // ANDROID_IMEDIAMETADATARETRIEVER_H
     65