96 lines
3.3 KiB
C++
96 lines
3.3 KiB
C++
/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef HARDWARE_GOOGLE_CAMERA_HAL_GOOGLE_CAMERA_HAL_REALTIME_PROCESS_BLOCK_H_
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#define HARDWARE_GOOGLE_CAMERA_HAL_GOOGLE_CAMERA_HAL_REALTIME_PROCESS_BLOCK_H_
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#include <shared_mutex>
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#include "process_block.h"
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namespace android {
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namespace google_camera_hal {
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// RealtimeProcessBlock implements a real-time ProcessBlock.
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// It can process real-time capture requests for a single physical camera.
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class RealtimeProcessBlock : public ProcessBlock {
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public:
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// Create a RealtimeProcessBlock.
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// device_session_hwl is owned by the caller and must be valid during the
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// lifetime of this RealtimeProcessBlock.
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static std::unique_ptr<RealtimeProcessBlock> Create(
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CameraDeviceSessionHwl* device_session_hwl);
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virtual ~RealtimeProcessBlock() = default;
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// Override functions of ProcessBlock start.
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// All output streams must be physical streams. RealtimeProcessBlock does not
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// support logical output streams.
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status_t ConfigureStreams(const StreamConfiguration& stream_config,
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const StreamConfiguration& overall_config) override;
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status_t SetResultProcessor(
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std::unique_ptr<ResultProcessor> result_processor) override;
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status_t GetConfiguredHalStreams(
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std::vector<HalStream>* hal_streams) const override;
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status_t ProcessRequests(
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const std::vector<ProcessBlockRequest>& process_block_requests,
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const CaptureRequest& remaining_session_request) override;
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status_t Flush() override;
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// Override functions of ProcessBlock end.
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protected:
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RealtimeProcessBlock(CameraDeviceSessionHwl* device_session_hwl);
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private:
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// Camera ID of this process block.
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const uint32_t kCameraId;
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// If the real-time process block supports the device session.
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static bool IsSupported(CameraDeviceSessionHwl* device_session_hwl);
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// Invoked when the HWL pipeline sends a result.
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void NotifyHwlPipelineResult(std::unique_ptr<HwlPipelineResult> hwl_result);
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// Invoked when the HWL pipeline sends a message.
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void NotifyHwlPipelineMessage(uint32_t pipeline_id,
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const NotifyMessage& message);
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HwlPipelineCallback hwl_pipeline_callback_;
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CameraDeviceSessionHwl* device_session_hwl_ = nullptr;
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mutable std::shared_mutex configure_shared_mutex_;
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// If streams are configured. Must be protected by configure_shared_mutex_.
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bool is_configured_ = false;
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// HWL pipeline ID. Must be protected by configure_shared_mutex_.
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uint32_t pipeline_id_ = 0;
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std::mutex result_processor_lock_;
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// Result processor. Must be protected by result_processor_lock_.
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std::unique_ptr<ResultProcessor> result_processor_ = nullptr;
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};
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} // namespace google_camera_hal
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} // namespace android
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#endif // HARDWARE_GOOGLE_CAMERA_HAL_GOOGLE_CAMERA_HAL_REALTIME_PROCESS_BLOCK_H_
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