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/*
* Copyright (C) 2019 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 HARDWARE_GOOGLE_CAMERA_HAL_GOOGLE_CAMERA_HAL_BASIC_REQUEST_PROCESSOR_H_
#define HARDWARE_GOOGLE_CAMERA_HAL_GOOGLE_CAMERA_HAL_BASIC_REQUEST_PROCESSOR_H_
#include <shared_mutex>
#include "process_block.h"
#include "request_processor.h"
namespace android {
namespace google_camera_hal {
// BasicRequestProcessor implements a basic RequestProcessor that simply
// forwards the request to its ProcessBlock without any modification.
class BasicRequestProcessor : public RequestProcessor {
public:
// device_session_hwl is owned by the caller and must be valid during the
// lifetime of this BasicRequestProcessor.
static std::unique_ptr<BasicRequestProcessor> Create(
CameraDeviceSessionHwl* device_session_hwl);
virtual ~BasicRequestProcessor() = default;
// Override functions of RequestProcessor start.
// BasicRequestProcessor will configure all streams in stream_config.
status_t ConfigureStreams(
InternalStreamManager* internal_stream_manager,
const StreamConfiguration& stream_config,
StreamConfiguration* process_block_stream_config) override;
status_t SetProcessBlock(std::unique_ptr<ProcessBlock> process_block) override;
status_t ProcessRequest(const CaptureRequest& request) override;
status_t Flush() override;
// Override functions of RequestProcessor end.
protected:
BasicRequestProcessor() = default;
private:
std::shared_mutex process_block_shared_lock_;
// Protected by process_block_shared_lock_.
std::unique_ptr<ProcessBlock> process_block_;
};
} // namespace google_camera_hal
} // namespace android
#endif // HARDWARE_GOOGLE_CAMERA_HAL_GOOGLE_CAMERA_HAL_BASIC_REQUEST_PROCESSOR_H_
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