IMediaMetadataRetriever.h revision 1b86fe063badb5f28c467ade39be0f4008688947 
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
29struct IMediaHTTPService;
30
31class IMediaMetadataRetriever: public IInterface
32{
33public:
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 sp<IMemory>     getFrameAtTime(int64_t timeUs, int option) = 0;
44    virtual sp<IMemory>     extractAlbumArt() = 0;
45    virtual const char*     extractMetadata(int keyCode) = 0;
46};
47
48// ----------------------------------------------------------------------------
49
50class BnMediaMetadataRetriever: public BnInterface<IMediaMetadataRetriever>
51{
52public:
53    virtual status_t    onTransact(uint32_t code,
54                                   const Parcel& data,
55                                   Parcel* reply,
56                                   uint32_t flags = 0);
57};
58
59}; // namespace android
60
61#endif // ANDROID_IMEDIAMETADATARETRIEVER_H
62