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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_REALTIME_ZSL_RESULT_PROCESSOR_H_
#define HARDWARE_GOOGLE_CAMERA_HAL_GOOGLE_CAMERA_HAL_REALTIME_ZSL_RESULT_PROCESSOR_H_
#include <shared_mutex>
#include "internal_stream_manager.h"
#include "result_processor.h"
namespace android {
namespace google_camera_hal {
// RealtimeZslResultProcessor implements a ResultProcessor that return
// filled raw buffer and metadata to internal stream manager.
class RealtimeZslResultProcessor : public ResultProcessor {
public:
static std::unique_ptr<RealtimeZslResultProcessor> Create(
InternalStreamManager* internal_stream_manager, int32_t stream_id,
android_pixel_format_t pixel_format, uint32_t partial_result_count = 1);
virtual ~RealtimeZslResultProcessor() = default;
// Override functions of ResultProcessor start.
void SetResultCallback(ProcessCaptureResultFunc process_capture_result,
NotifyFunc notify) override;
status_t AddPendingRequests(
const std::vector<ProcessBlockRequest>& process_block_requests,
const CaptureRequest& remaining_session_request) override;
// Return filled raw buffer and metadata to internal stream manager
// and forwards the results without raw buffer to its callback functions.
void ProcessResult(ProcessBlockResult block_result) override;
void Notify(const ProcessBlockNotifyMessage& block_message) override;
status_t FlushPendingRequests() override;
// Override functions of ResultProcessor end.
protected:
RealtimeZslResultProcessor(InternalStreamManager* internal_stream_manager,
int32_t stream_id,
android_pixel_format_t pixel_format,
uint32_t partial_result_count);
InternalStreamManager* internal_stream_manager_;
int32_t stream_id_ = -1;
// Partial result count reported by HAL
uint32_t partial_result_count_;
std::mutex callback_lock_;
// The following callbacks must be protected by callback_lock_.
ProcessCaptureResultFunc process_capture_result_;
NotifyFunc notify_;
private:
// Save face detect mode for HDR+
void SaveFdForHdrplus(const CaptureRequest& request);
// Handle face detect metadata from result for HDR+
status_t HandleFdResultForHdrplus(uint32_t frameNumber,
HalCameraMetadata* metadata);
// Save lens shading map mode for HDR+
void SaveLsForHdrplus(const CaptureRequest& request);
// Handle Lens shading metadata from result for HDR+
status_t HandleLsResultForHdrplus(uint32_t frameNumber,
HalCameraMetadata* metadata);
android_pixel_format_t pixel_format_;
// Current face detect mode set by framework.
uint8_t current_face_detect_mode_ = ANDROID_STATISTICS_FACE_DETECT_MODE_OFF;
std::mutex face_detect_lock_;
// Map from frame number to face detect mode requested for that frame by
// framework. And requested_face_detect_modes_ is protected by
// face_detect_lock_
std::unordered_map<uint32_t, uint8_t> requested_face_detect_modes_;
// Current lens shading map mode set by framework.
uint8_t current_lens_shading_map_mode_ =
ANDROID_STATISTICS_LENS_SHADING_MAP_MODE_OFF;
std::mutex lens_shading_lock_;
// Map from frame number to lens shading map mode requested for that frame
// by framework. And requested_lens_shading_map_modes_ is protected by
// lens_shading_lock_
std::unordered_map<uint32_t, uint8_t> requested_lens_shading_map_modes_;
std::shared_mutex process_block_shared_lock_;
};
} // namespace google_camera_hal
} // namespace android
#endif // HARDWARE_GOOGLE_CAMERA_HAL_GOOGLE_CAMERA_HAL_REALTIME_ZSL_RESULT_REQUEST_PROCESSOR_H_
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