Move virtual camera service to frameworks/av/services
Bug: 311647154
Bug: 301023410
Test: atest virtual_camera_tests
Test: build & flash & adb shell cmd virtual_camera help
Change-Id: I6d43a2b70f454c9c01ec2abcae9f138cd78c6a85
diff --git a/services/camera/virtualcamera/VirtualCameraService.h b/services/camera/virtualcamera/VirtualCameraService.h
new file mode 100644
index 0000000..cf68c1b
--- /dev/null
+++ b/services/camera/virtualcamera/VirtualCameraService.h
@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_COMPANION_VIRTUALCAMERA_VIRTUALCAMERASERVICE_H
+#define ANDROID_COMPANION_VIRTUALCAMERA_VIRTUALCAMERASERVICE_H
+
+#include <memory>
+#include <mutex>
+#include <unordered_map>
+
+#include "VirtualCameraDevice.h"
+#include "VirtualCameraProvider.h"
+#include "aidl/android/companion/virtualcamera/BnVirtualCameraService.h"
+
+namespace android {
+namespace companion {
+namespace virtualcamera {
+
+// Implementation of Virtual Camera Service for managing virtual camera devices.
+class VirtualCameraService
+ : public aidl::android::companion::virtualcamera::BnVirtualCameraService {
+ public:
+ VirtualCameraService(
+ std::shared_ptr<VirtualCameraProvider> virtualCameraProvider);
+
+ // Register camera corresponding to the binder token.
+ ndk::ScopedAStatus registerCamera(
+ const ::ndk::SpAIBinder& token,
+ const ::aidl::android::companion::virtualcamera::VirtualCameraConfiguration&
+ configuration,
+ bool* _aidl_return) override EXCLUDES(mLock);
+
+ // Unregisters camera corresponding to the binder token.
+ ndk::ScopedAStatus unregisterCamera(const ::ndk::SpAIBinder& token) override
+ EXCLUDES(mLock);
+
+ // Returns VirtualCameraDevice corresponding to binder token or nullptr if
+ // there's no camera asociated with the token.
+ std::shared_ptr<VirtualCameraDevice> getCamera(const ::ndk::SpAIBinder& token)
+ EXCLUDES(mLock);
+
+ // Handle cmd shell commands `adb shell cmd virtual_camera_service` [args].
+ binder_status_t handleShellCommand(int in, int out, int err, const char** args,
+ uint32_t numArgs) override;
+
+ private:
+ // Create and enable test camera instance if there's none.
+ void enableTestCameraCmd(int out, int err);
+ // Disable and destroy test camera instance if there's one.
+ void disableTestCameraCmd(int out);
+
+ std::shared_ptr<VirtualCameraProvider> mVirtualCameraProvider;
+
+ std::mutex mLock;
+ struct BinderTokenHash {
+ std::size_t operator()(const ::ndk::SpAIBinder& key) const {
+ return std::hash<void*>{}(reinterpret_cast<void*>(key.get()));
+ }
+ };
+ // Map Binder tokens to names of cameras managed by camera provider.
+ std::unordered_map<::ndk::SpAIBinder, std::string, BinderTokenHash>
+ mTokenToCameraName GUARDED_BY(mLock);
+
+ // Local binder token for test camera instance, or nullptr if there's none.
+ ::ndk::SpAIBinder mTestCameraToken;
+};
+
+} // namespace virtualcamera
+} // namespace companion
+} // namespace android
+
+#endif // ANDROID_COMPANION_VIRTUALCAMERA_VIRTUALCAMERASERVICE_H