IProCameraUser.h revision 76f8b43909817179b317880202360863b8f976d0 
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{
37public:
38    DECLARE_META_INTERFACE(ProCameraUser);
39
40    virtual void            disconnect() = 0;
41
42    // connect to the service, given a callbacks listener
43    virtual status_t        connect(const sp<IProCameraCallbacks>& callbacks)
44                                                                            = 0;
45
46    /**
47     * Locking
48     **/
49    virtual status_t        exclusiveTryLock() = 0;
50    virtual status_t        exclusiveLock() = 0;
51    virtual status_t        exclusiveUnlock() = 0;
52
53    virtual bool            hasExclusiveLock() = 0;
54
55    /**
56     * Request Handling
57     **/
58
59    // Note that the callee gets a copy of the metadata.
60    virtual int             submitRequest(struct camera_metadata* metadata,
61                                          bool streaming = false) = 0;
62    virtual status_t        cancelRequest(int requestId) = 0;
63
64    virtual status_t        requestStream(int streamId) = 0;
65    virtual status_t        cancelStream(int streamId) = 0;
66    virtual status_t        createStream(
67                                      int width, int height, int format,
68                                      const sp<IGraphicBufferProducer>& bufferProducer,
69                                      /*out*/
70                                      int* streamId) = 0;
71
72    // Create a request object from a template.
73    virtual status_t        createDefaultRequest(int templateId,
74                                                 /*out*/
75                                                 camera_metadata** request)
76                                                                           = 0;
77
78};
79
80// ----------------------------------------------------------------------------
81
82class BnProCameraUser: public BnInterface<IProCameraUser>
83{
84public:
85    virtual status_t    onTransact( uint32_t code,
86                                    const Parcel& data,
87                                    Parcel* reply,
88                                    uint32_t flags = 0);
89};
90
91}; // namespace android
92
93#endif
94