1 /*
2 * Copyright (C) 2022 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 #include <ExternalCameraProvider.h>
18 #include <android-base/logging.h>
19 #include <android/binder_manager.h>
20 #include <android/binder_process.h>
21
22 using ::android::hardware::camera::provider::implementation::ExternalCameraProvider;
23
24 namespace {
25 // Default recommended RPC thread count for camera provider implementations
26 const int HWBINDER_THREAD_COUNT = 6;
27 } // namespace
28
main()29 int main() {
30 ALOGI("CameraProvider: external webcam service is starting.");
31
32 ABinderProcess_setThreadPoolMaxThreadCount(HWBINDER_THREAD_COUNT);
33
34 std::shared_ptr<ExternalCameraProvider> defaultProvider =
35 ndk::SharedRefBase::make<ExternalCameraProvider>();
36 const std::string serviceName = std::string(ExternalCameraProvider::descriptor) + "/external/0";
37
38 #ifdef LAZY_SERVICE
39 binder_exception_t ret = AServiceManager_registerLazyService(defaultProvider->asBinder().get(),
40 serviceName.c_str());
41 LOG_ALWAYS_FATAL_IF(ret != EX_NONE,
42 "Error while registering lazy ext camera provider service: %d", ret);
43 #else
44 binder_exception_t ret =
45 AServiceManager_addService(defaultProvider->asBinder().get(), serviceName.c_str());
46 LOG_ALWAYS_FATAL_IF(ret != EX_NONE, "Error while registering ext camera provider service: %d",
47 ret);
48 #endif
49
50 ABinderProcess_joinThreadPool();
51 return EXIT_FAILURE; // should not reach
52 }