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The Android Open Source Project89fa4ad2009-03-03 19:31:44 -08001/*
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>
Mathias Agopian75624082009-05-19 19:08:10 -070023#include <binder/IMemory.h>
The Android Open Source Project89fa4ad2009-03-03 19:31:44 -080024#include <media/IMediaMetadataRetriever.h>
25
26namespace android {
27
28class IMediaPlayerService;
29class IMediaMetadataRetriever;
30
31// Keep these in synch with the constants defined in MediaMetadataRetriever.java
32// class.
33enum {
34 METADATA_KEY_CD_TRACK_NUMBER = 0,
35 METADATA_KEY_ALBUM = 1,
36 METADATA_KEY_ARTIST = 2,
37 METADATA_KEY_AUTHOR = 3,
38 METADATA_KEY_COMPOSER = 4,
39 METADATA_KEY_DATE = 5,
40 METADATA_KEY_GENRE = 6,
41 METADATA_KEY_TITLE = 7,
42 METADATA_KEY_YEAR = 8,
43 METADATA_KEY_DURATION = 9,
44 METADATA_KEY_NUM_TRACKS = 10,
James Dong7f7d52a2011-01-06 12:20:35 -080045 METADATA_KEY_WRITER = 11,
46 METADATA_KEY_MIMETYPE = 12,
47 METADATA_KEY_ALBUMARTIST = 13,
48 METADATA_KEY_DISC_NUMBER = 14,
49 METADATA_KEY_COMPILATION = 15,
The Android Open Source Project89fa4ad2009-03-03 19:31:44 -080050 // Add more here...
51};
52
The Android Open Source Project89fa4ad2009-03-03 19:31:44 -080053class MediaMetadataRetriever: public RefBase
54{
55public:
56 MediaMetadataRetriever();
57 ~MediaMetadataRetriever();
58 void disconnect();
59 status_t setDataSource(const char* dataSourceUrl);
60 status_t setDataSource(int fd, int64_t offset, int64_t length);
James Dong16afe2f2010-12-02 17:42:08 -080061 sp<IMemory> getFrameAtTime(int64_t timeUs, int option);
The Android Open Source Project89fa4ad2009-03-03 19:31:44 -080062 sp<IMemory> extractAlbumArt();
63 const char* extractMetadata(int keyCode);
64
65private:
66 static const sp<IMediaPlayerService>& getService();
67
68 class DeathNotifier: public IBinder::DeathRecipient
69 {
70 public:
71 DeathNotifier() {}
72 virtual ~DeathNotifier();
73 virtual void binderDied(const wp<IBinder>& who);
74 };
75
76 static sp<DeathNotifier> sDeathNotifier;
77 static Mutex sServiceLock;
78 static sp<IMediaPlayerService> sService;
79
80 Mutex mLock;
81 sp<IMediaMetadataRetriever> mRetriever;
82
83};
84
85}; // namespace android
86
87#endif // MEDIAMETADATARETRIEVER_H