1 /*
2  * Copyright (C) 2018 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_FRAMEWORKS_CAMERADEVICEUSER_V2_0_CAMERADEVICEUSER_H
18 #define ANDROID_FRAMEWORKS_CAMERADEVICEUSER_V2_0_CAMERADEVICEUSER_H
19 
20 #include <mutex>
21 #include <memory>
22 #include <thread>
23 
24 #include <android/frameworks/cameraservice/common/2.0/types.h>
25 #include <android/frameworks/cameraservice/service/2.0/types.h>
26 #include <android/frameworks/cameraservice/device/2.0/ICameraDeviceUser.h>
27 #include <android/frameworks/cameraservice/device/2.0/types.h>
28 #include <android/hardware/camera2/ICameraDeviceCallbacks.h>
29 #include <fmq/MessageQueue.h>
30 #include <hidl/MQDescriptor.h>
31 #include <hidl/Status.h>
32 
33 #include <CameraService.h>
34 
35 namespace android {
36 namespace frameworks {
37 namespace cameraservice {
38 namespace device {
39 namespace V2_0 {
40 namespace implementation {
41 
42 using frameworks::cameraservice::device::V2_0::StreamConfigurationMode;
43 using hardware::camera2::CaptureRequest;
44 using hardware::hidl_vec;
45 using hardware::kSynchronizedReadWrite;
46 using hardware::MessageQueue;
47 using hardware::MQDescriptorSync;
48 using hardware::Return;
49 using CaptureResultMetadataQueue = MessageQueue<uint8_t, kSynchronizedReadWrite>;
50 using CaptureRequestMetadataQueue = MessageQueue<uint8_t, kSynchronizedReadWrite>;
51 using TemplateId = frameworks::cameraservice::device::V2_0::TemplateId;
52 
53 using HCameraDeviceUser = device::V2_0::ICameraDeviceUser;
54 using HCameraMetadata = cameraservice::service::V2_0::CameraMetadata;
55 using HCaptureRequest = device::V2_0::CaptureRequest;
56 using HSessionConfiguration = frameworks::cameraservice::device::V2_0::SessionConfiguration;
57 using HOutputConfiguration = frameworks::cameraservice::device::V2_0::OutputConfiguration;
58 using HPhysicalCameraSettings = frameworks::cameraservice::device::V2_0::PhysicalCameraSettings;
59 using HStatus = frameworks::cameraservice::common::V2_0::Status;
60 
61 static constexpr int32_t REQUEST_ID_NONE = -1;
62 
63 struct HidlCameraDeviceUser final : public HCameraDeviceUser {
64     HidlCameraDeviceUser(const sp<hardware::camera2::ICameraDeviceUser> &deviceRemote);
65 
~HidlCameraDeviceUserfinal66     ~HidlCameraDeviceUser() { }
67 
68     virtual Return<void> disconnect() override;
69 
70     virtual Return<void> getCaptureRequestMetadataQueue(
71         getCaptureRequestMetadataQueue_cb _hidl_cb) override;
72 
73     virtual Return<void> getCaptureResultMetadataQueue(
74         getCaptureResultMetadataQueue_cb _hidl_cb) override;
75 
76     virtual Return<void> submitRequestList(const hidl_vec<HCaptureRequest>& requestList,
77                                            bool streaming, submitRequestList_cb _hidl_cb) override;
78 
79     virtual Return<void> cancelRepeatingRequest(cancelRepeatingRequest_cb _hidl_cb) override;
80 
81     virtual Return<HStatus> beginConfigure() override;
82 
83     virtual Return<HStatus> endConfigure(StreamConfigurationMode operatingMode,
84                                          const hidl_vec<uint8_t>& sessionParams);
85 
86     virtual Return<HStatus> deleteStream(int32_t streamId) override;
87 
88     virtual Return<void> createStream(const HOutputConfiguration& outputConfiguration,
89                                       createStream_cb _hidl_cb) override;
90 
91     Return<void> createDefaultRequest(TemplateId templateId,
92                                       createDefaultRequest_cb _hidl_cb) override;
93 
94     virtual Return<HStatus> waitUntilIdle() override;
95 
96     virtual Return<void> flush(flush_cb _hidl_cb) override;
97 
98     virtual Return<HStatus> updateOutputConfiguration(
99         int32_t streamId, const HOutputConfiguration& outputConfiguration) override;
100 
101     virtual Return<void> isSessionConfigurationSupported(
102         const HSessionConfiguration& sessionConfiguration,
103         isSessionConfigurationSupported_cb _hidl_cb) override;
104 
initStatusfinal105     bool initStatus() { return mInitSuccess; }
106 
getCaptureResultMetadataQueuefinal107     std::shared_ptr<CaptureResultMetadataQueue> getCaptureResultMetadataQueue() {
108         return mCaptureResultMetadataQueue;
109     }
110 
111  private:
112     bool initDevice();
113 
114     bool convertRequestFromHidl(const HCaptureRequest &hRequest, CaptureRequest *request);
115 
116     bool copyPhysicalCameraSettings(
117         const hidl_vec<HPhysicalCameraSettings> &hPhysicalCameraSettings,
118         std::vector<CaptureRequest::PhysicalCameraSettings> *physicalCameraSettings);
119 
120     const sp<hardware::camera2::ICameraDeviceUser> mDeviceRemote;
121     std::unique_ptr<CaptureRequestMetadataQueue> mCaptureRequestMetadataQueue = nullptr;
122     std::shared_ptr<CaptureResultMetadataQueue> mCaptureResultMetadataQueue = nullptr;
123     bool mInitSuccess = false;
124     int32_t mRequestId = REQUEST_ID_NONE;
125 };
126 
127 } // implementation
128 } // V2_0
129 } // device
130 } // cameraservice
131 } // frameworks
132 } // android
133 #endif // ANDROID_FRAMEOWORKS_CAMERADEVICEUSER_V2_0_CAMERADEVICEUSER_H
134