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
27struct camera_metadata;
28
29namespace android {
30
31class IProCameraUserClient;
32class IGraphicBufferProducer;
33class Surface;
34
35class IProCameraUser: public IInterface
36{
37    /**
38     * Keep up-to-date with IProCameraUser.aidl in frameworks/base
39     */
40public:
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
89class BnProCameraUser: public BnInterface<IProCameraUser>
90{
91public:
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