Files
multimedia_camera_lite/frameworks/camera_service.cpp
T
2021-03-11 18:43:18 +08:00

101 lines
2.7 KiB
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Executable File

/*
* Copyright (c) 2020-2021 Huawei Device Co., Ltd.
* 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.
*/
#include "camera_service.h"
#include "media_log.h"
using namespace std;
namespace OHOS {
namespace Media {
const string g_mainCamera = "main";
CameraService::CameraService() {}
CameraService::~CameraService()
{
if (ability_) {
delete ability_;
}
if (device_) {
device_->UnInitialize();
delete device_;
}
}
CameraService *CameraService::GetInstance()
{
static CameraService instance;
return &instance;
}
void CameraService::Initialize(CameraServiceCallback *callback)
{
MEDIA_DEBUG_LOG("Camera service initializing.");
cameraServiceCb_ = callback;
// TODO: init camera devices asycronize
InitCameraDevices();
list<string> cameraList = {g_mainCamera};
cameraServiceCb_->OnCameraServiceInitialized(cameraList);
}
const CameraAbility *CameraService::GetCameraAbility(std::string &cameraId)
{
// TODO:fill ability
if (cameraId == g_mainCamera && device_ != nullptr) {
return ability_;
} else {
return nullptr;
}
}
void CameraService::CreateCamera(string cameraId)
{
if (cameraId != g_mainCamera) {
MEDIA_ERR_LOG("This camera does not exists. (cameraId=%s)", cameraId.c_str());
return;
}
cameraServiceCb_->OnCameraStatusChange(cameraId, CameraServiceCallback::CAMERA_STATUS_CREATED, device_);
}
int32_t CameraService::InitCameraDevices()
{
/* Only one camera device now, support more camera in future */
device_ = new (nothrow) CameraDevice;
if (device_ == nullptr) {
goto NEW_ERROR;
}
ability_ = new (nothrow) CameraAbility;
if (ability_ == nullptr) {
delete device_;
device_ = nullptr;
goto NEW_ERROR;
}
if (device_->Initialize(*ability_) != MEDIA_OK) {
delete device_;
delete ability_;
device_ = nullptr;
ability_ = nullptr;
return MEDIA_ERR;
}
return MEDIA_OK;
NEW_ERROR:
MEDIA_FATAL_LOG("New object failed.");
return MEDIA_ERR;
}
} // namespace Media
} // namespace OHOS