1 /*
2  * Copyright (C) 2021 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 #pragma once
17 
18 #include <mutex>
19 
20 #include <android/hardware/camera/provider/2.7/ICameraProvider.h>
21 #include <hidl/MQDescriptor.h>
22 #include <hidl/Status.h>
23 #include <json/json.h>
24 
25 #include "vsock_camera_device_3_4.h"
26 #include "vsock_camera_server.h"
27 #include "vsock_connection.h"
28 
29 namespace android::hardware::camera::provider::V2_7::implementation {
30 
31 using ::android::sp;
32 using ::android::hardware::hidl_string;
33 using ::android::hardware::Return;
34 using ::android::hardware::camera::common::V1_0::CameraDeviceStatus;
35 using ::android::hardware::camera::common::V1_0::Status;
36 using ::android::hardware::camera::common::V1_0::VendorTagSection;
37 using ::android::hardware::camera::device::V3_4::implementation::
38     VsockCameraDevice;
39 using ::android::hardware::camera::provider::V2_4::ICameraProviderCallback;
40 using ::android::hardware::camera::provider::V2_5::DeviceState;
41 using ::android::hardware::camera::provider::V2_7::ICameraProvider;
42 
43 class VsockCameraProvider : public ICameraProvider {
44  public:
45   VsockCameraProvider(VsockCameraServer* server);
46   ~VsockCameraProvider();
47 
48   Return<Status> setCallback(
49       const sp<ICameraProviderCallback>& callback) override;
50   Return<void> getVendorTags(getVendorTags_cb _hidl_cb) override;
51   Return<void> getCameraIdList(getCameraIdList_cb _hidl_cb) override;
52   Return<void> isSetTorchModeSupported(
53       isSetTorchModeSupported_cb _hidl_cb) override;
54   Return<void> getCameraDeviceInterface_V1_x(
55       const hidl_string& cameraDeviceName,
56       getCameraDeviceInterface_V1_x_cb _hidl_cb) override;
57   Return<void> getCameraDeviceInterface_V3_x(
58       const hidl_string& cameraDeviceName,
59       getCameraDeviceInterface_V3_x_cb _hidl_cb) override;
60   Return<void> notifyDeviceStateChange(
61       hardware::hidl_bitfield<DeviceState> newState) override;
62   Return<void> getConcurrentStreamingCameraIds(
63       getConcurrentStreamingCameraIds_cb _hidl_cb) override;
64   Return<void> isConcurrentStreamCombinationSupported(
65       const hidl_vec<::android::hardware::camera::provider::V2_6::CameraIdAndStreamCombination>& configs,
66       isConcurrentStreamCombinationSupported_cb _hidl_cb) override;
67   Return<void> isConcurrentStreamCombinationSupported_2_7(
68       const hidl_vec<::android::hardware::camera::provider::V2_7::CameraIdAndStreamCombination>& configs,
69       isConcurrentStreamCombinationSupported_2_7_cb _hidl_cb) override;
70 
71  private:
72   void deviceRemoved(const char* name);
73   void deviceAdded(const char* name);
74   std::mutex mutex_;
75   sp<ICameraProviderCallback> callbacks_;
76   std::shared_ptr<cuttlefish::VsockConnection> connection_;
77   VsockCameraDevice::Settings settings_;
78   VsockCameraServer* server_;
79 };
80 
81 }  // namespace android::hardware::camera::provider::V2_7::implementation
82