1 /*
2  * Copyright (C) 2013 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 ANDROID_HARDWARE_IPROCAMERAUSER_H
18 #define ANDROID_HARDWARE_IPROCAMERAUSER_H
19 
20 #include <utils/RefBase.h>
21 #include <binder/IInterface.h>
22 #include <binder/Parcel.h>
23 #include <binder/IMemory.h>
24 #include <utils/String8.h>
25 #include <camera/IProCameraCallbacks.h>
26 
27 struct camera_metadata;
28 
29 namespace android {
30 
31 class IProCameraUserClient;
32 class IGraphicBufferProducer;
33 class Surface;
34 
35 class IProCameraUser: public IInterface
36 {
37     /**
38      * Keep up-to-date with IProCameraUser.aidl in frameworks/base
39      */
40 public:
41     DECLARE_META_INTERFACE(ProCameraUser);
42 
43     virtual void            disconnect() = 0;
44 
45     // connect to the service, given a callbacks listener
46     virtual status_t        connect(const sp<IProCameraCallbacks>& callbacks)
47                                                                             = 0;
48 
49     /**
50      * Locking
51      **/
52     virtual status_t        exclusiveTryLock() = 0;
53     virtual status_t        exclusiveLock() = 0;
54     virtual status_t        exclusiveUnlock() = 0;
55 
56     virtual bool            hasExclusiveLock() = 0;
57 
58     /**
59      * Request Handling
60      **/
61 
62     // Note that the callee gets a copy of the metadata.
63     virtual int             submitRequest(struct camera_metadata* metadata,
64                                           bool streaming = false) = 0;
65     virtual status_t        cancelRequest(int requestId) = 0;
66 
67     virtual status_t        deleteStream(int streamId) = 0;
68     virtual status_t        createStream(
69                                       int width, int height, int format,
70                                       const sp<IGraphicBufferProducer>& bufferProducer,
71                                       /*out*/
72                                       int* streamId) = 0;
73 
74     // Create a request object from a template.
75     virtual status_t        createDefaultRequest(int templateId,
76                                                  /*out*/
77                                                  camera_metadata** request)
78                                                                            = 0;
79 
80     // Get static camera metadata
81     virtual status_t        getCameraInfo(int cameraId,
82                                           /*out*/
83                                           camera_metadata** info) = 0;
84 
85 };
86 
87 // ----------------------------------------------------------------------------
88 
89 class BnProCameraUser: public BnInterface<IProCameraUser>
90 {
91 public:
92     virtual status_t    onTransact( uint32_t code,
93                                     const Parcel& data,
94                                     Parcel* reply,
95                                     uint32_t flags = 0);
96 };
97 
98 }; // namespace android
99 
100 #endif
101