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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/2.1/ICameraDeviceUser.h>
28 #include <android/frameworks/cameraservice/device/2.0/types.h>
29 #include <android/hardware/camera2/ICameraDeviceCallbacks.h>
30 #include <fmq/MessageQueue.h>
31 #include <hidl/MQDescriptor.h>
32 #include <hidl/Status.h>
33 
34 #include <CameraService.h>
35 
36 namespace android {
37 namespace frameworks {
38 namespace cameraservice {
39 namespace device {
40 namespace V2_1 {
41 namespace implementation {
42 
43 using frameworks::cameraservice::device::V2_0::StreamConfigurationMode;
44 using hardware::camera2::CaptureRequest;
45 using hardware::hidl_vec;
46 using hardware::kSynchronizedReadWrite;
47 using hardware::MessageQueue;
48 using hardware::MQDescriptorSync;
49 using hardware::Return;
50 using CaptureResultMetadataQueue = MessageQueue<uint8_t, kSynchronizedReadWrite>;
51 using CaptureRequestMetadataQueue = MessageQueue<uint8_t, kSynchronizedReadWrite>;
52 using TemplateId = frameworks::cameraservice::device::V2_0::TemplateId;
53 
54 using HCameraDeviceUser = device::V2_1::ICameraDeviceUser;
55 using HCameraMetadata = cameraservice::service::V2_0::CameraMetadata;
56 using HCaptureRequest = device::V2_0::CaptureRequest;
57 using HSessionConfiguration = frameworks::cameraservice::device::V2_0::SessionConfiguration;
58 using HOutputConfiguration = frameworks::cameraservice::device::V2_0::OutputConfiguration;
59 using HPhysicalCameraSettings = frameworks::cameraservice::device::V2_0::PhysicalCameraSettings;
60 using HStatus = frameworks::cameraservice::common::V2_0::Status;
61 
62 static constexpr int32_t REQUEST_ID_NONE = -1;
63 
64 struct HidlCameraDeviceUser final : public HCameraDeviceUser {
65     HidlCameraDeviceUser(const sp<hardware::camera2::ICameraDeviceUser> &deviceRemote);
66 
~HidlCameraDeviceUserfinal67     ~HidlCameraDeviceUser() { }
68 
69     virtual Return<void> disconnect() override;
70 
71     virtual Return<void> getCaptureRequestMetadataQueue(
72         getCaptureRequestMetadataQueue_cb _hidl_cb) override;
73 
74     virtual Return<void> getCaptureResultMetadataQueue(
75         getCaptureResultMetadataQueue_cb _hidl_cb) override;
76 
77     virtual Return<void> submitRequestList(const hidl_vec<HCaptureRequest>& requestList,
78                                            bool streaming, submitRequestList_cb _hidl_cb) override;
79 
80     virtual Return<void> cancelRepeatingRequest(cancelRepeatingRequest_cb _hidl_cb) override;
81 
82     virtual Return<HStatus> beginConfigure() override;
83 
84     virtual Return<HStatus> endConfigure(StreamConfigurationMode operatingMode,
85                                          const hidl_vec<uint8_t>& sessionParams);
86 
87     virtual Return<HStatus> endConfigure_2_1(StreamConfigurationMode operatingMode,
88                                          const hidl_vec<uint8_t>& sessionParams,
89                                          nsecs_t startTimeNs);
90 
91     virtual Return<HStatus> deleteStream(int32_t streamId) override;
92 
93     virtual Return<void> createStream(const HOutputConfiguration& outputConfiguration,
94                                       createStream_cb _hidl_cb) override;
95 
96     Return<void> createDefaultRequest(TemplateId templateId,
97                                       createDefaultRequest_cb _hidl_cb) override;
98 
99     virtual Return<HStatus> waitUntilIdle() override;
100 
101     virtual Return<void> flush(flush_cb _hidl_cb) override;
102 
103     virtual Return<HStatus> updateOutputConfiguration(
104         int32_t streamId, const HOutputConfiguration& outputConfiguration) override;
105 
106     virtual Return<void> isSessionConfigurationSupported(
107         const HSessionConfiguration& sessionConfiguration,
108         isSessionConfigurationSupported_cb _hidl_cb) override;
109 
initStatusfinal110     bool initStatus() { return mInitSuccess; }
111 
getCaptureResultMetadataQueuefinal112     std::shared_ptr<CaptureResultMetadataQueue> getCaptureResultMetadataQueue() {
113         return mCaptureResultMetadataQueue;
114     }
115 
116  private:
117     bool initDevice();
118 
119     bool convertRequestFromHidl(const HCaptureRequest &hRequest, CaptureRequest *request);
120 
121     bool copyPhysicalCameraSettings(
122         const hidl_vec<HPhysicalCameraSettings> &hPhysicalCameraSettings,
123         std::vector<CaptureRequest::PhysicalCameraSettings> *physicalCameraSettings);
124 
125     const sp<hardware::camera2::ICameraDeviceUser> mDeviceRemote;
126     std::unique_ptr<CaptureRequestMetadataQueue> mCaptureRequestMetadataQueue = nullptr;
127     std::shared_ptr<CaptureResultMetadataQueue> mCaptureResultMetadataQueue = nullptr;
128     bool mInitSuccess = false;
129     int32_t mRequestId = REQUEST_ID_NONE;
130     int mVndkVersion = -1;
131 };
132 
133 } // implementation
134 } // V2_0
135 } // device
136 } // cameraservice
137 } // frameworks
138 } // android
139 #endif // ANDROID_FRAMEOWORKS_CAMERADEVICEUSER_V2_0_CAMERADEVICEUSER_H
140