1 /*
2  * Copyright (C) 2010 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 #ifndef __DRM_PASSTHRU_PLUGIN_H__
18 #define __DRM_PASSTHRU_PLUGIN_H__
19 
20 #include <DrmEngineBase.h>
21 
22 namespace android {
23 
24 class DrmPassthruPlugIn : public DrmEngineBase {
25 
26 public:
27     DrmPassthruPlugIn();
28     virtual ~DrmPassthruPlugIn();
29 
30 protected:
31     DrmConstraints* onGetConstraints(int uniqueId, const String8* path, int action);
32 
33     DrmMetadata* onGetMetadata(int uniqueId, const String8* path);
34 
35     status_t onInitialize(int uniqueId);
36 
37     status_t onSetOnInfoListener(int uniqueId, const IDrmEngine::OnInfoListener* infoListener);
38 
39     status_t onTerminate(int uniqueId);
40 
41     bool onCanHandle(int uniqueId, const String8& path);
42 
43     DrmInfoStatus* onProcessDrmInfo(int uniqueId, const DrmInfo* drmInfo);
44 
45     status_t onSaveRights(int uniqueId, const DrmRights& drmRights,
46             const String8& rightsPath, const String8& contentPath);
47 
48     DrmInfo* onAcquireDrmInfo(int uniqueId, const DrmInfoRequest* drmInfoRequest);
49 
50     String8 onGetOriginalMimeType(int uniqueId, const String8& path, int fd);
51 
52     int onGetDrmObjectType(int uniqueId, const String8& path, const String8& mimeType);
53 
54     int onCheckRightsStatus(int uniqueId, const String8& path, int action);
55 
56     status_t onConsumeRights(int uniqueId, DecryptHandle* decryptHandle, int action, bool reserve);
57 
58     status_t onSetPlaybackStatus(
59             int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int64_t position);
60 
61     bool onValidateAction(
62             int uniqueId, const String8& path, int action, const ActionDescription& description);
63 
64     status_t onRemoveRights(int uniqueId, const String8& path);
65 
66     status_t onRemoveAllRights(int uniqueId);
67 
68     status_t onOpenConvertSession(int uniqueId, int convertId);
69 
70     DrmConvertedStatus* onConvertData(int uniqueId, int convertId, const DrmBuffer* inputData);
71 
72     DrmConvertedStatus* onCloseConvertSession(int uniqueId, int convertId);
73 
74     DrmSupportInfo* onGetSupportInfo(int uniqueId);
75 
76     status_t onOpenDecryptSession(
77             int uniqueId, DecryptHandle* decryptHandle, int fd, off64_t offset, off64_t length);
78 
79     status_t onOpenDecryptSession(
80             int uniqueId, DecryptHandle* decryptHandle, const char* uri);
81 
82     status_t onCloseDecryptSession(int uniqueId, DecryptHandle* decryptHandle);
83 
84     status_t onInitializeDecryptUnit(int uniqueId, DecryptHandle* decryptHandle,
85             int decryptUnitId, const DrmBuffer* headerInfo);
86 
87     status_t onDecrypt(int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId,
88             const DrmBuffer* encBuffer, DrmBuffer** decBuffer, DrmBuffer* IV);
89 
90     status_t onFinalizeDecryptUnit(int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId);
91 
92     ssize_t onPread(int uniqueId, DecryptHandle* decryptHandle,
93             void* buffer, ssize_t numBytes, off64_t offset);
94 
95 private:
96     DecryptHandle* openDecryptSessionImpl();
97 };
98 
99 };
100 
101 #endif /* __DRM_PASSTHRU_PLUGIN_H__ */
102 
103