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