1 files changed, 0 insertions, 106 deletions
diff --git a/src/ipa/raspberrypi/controller/rpi/alsc.hpp b/src/ipa/raspberrypi/controller/rpi/alsc.hpp
deleted file mode 100644
index d1dbe0d1..00000000
--- a/src/ipa/raspberrypi/controller/rpi/alsc.hpp
+++ /dev/null
@@ -1,106 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * alsc.hpp - ALSC (auto lens shading correction) control algorithm
- */
-#pragma once
-
-#include <mutex>
-#include <condition_variable>
-#include <thread>
-
-#include "../algorithm.hpp"
-#include "../alsc_status.h"
-
-namespace RPiController {
-
-// Algorithm to generate automagic LSC (Lens Shading Correction) tables.
-
-struct AlscCalibration {
-	double ct;
-	double table[ALSC_CELLS_X * ALSC_CELLS_Y];
-};
-
-struct AlscConfig {
-	// Only repeat the ALSC calculation every "this many" frames
-	uint16_t frame_period;
-	// number of initial frames for which speed taken as 1.0 (maximum)
-	uint16_t startup_frames;
-	// IIR filter speed applied to algorithm results
-	double speed;
-	double sigma_Cr;
-	double sigma_Cb;
-	double min_count;
-	uint16_t min_G;
-	double omega;
-	uint32_t n_iter;
-	double luminance_lut[ALSC_CELLS_X * ALSC_CELLS_Y];
-	double luminance_strength;
-	std::vector<AlscCalibration> calibrations_Cr;
-	std::vector<AlscCalibration> calibrations_Cb;
-	double default_ct; // colour temperature if no metadata found
-	double threshold; // iteration termination threshold
-	double lambda_bound; // upper/lower bound for lambda from a value of 1
-};
-
-class Alsc : public Algorithm
-{
-public:
-	Alsc(Controller *controller = NULL);
-	~Alsc();
-	char const *Name() const override;
-	void Initialise() override;
-	void SwitchMode(CameraMode const &camera_mode, Metadata *metadata) override;
-	void Read(boost::property_tree::ptree const &params) override;
-	void Prepare(Metadata *image_metadata) override;
-	void Process(StatisticsPtr &stats, Metadata *image_metadata) override;
-
-private:
-	// configuration is read-only, and available to both threads
-	AlscConfig config_;
-	bool first_time_;
-	CameraMode camera_mode_;
-	double luminance_table_[ALSC_CELLS_X * ALSC_CELLS_Y];
-	std::thread async_thread_;
-	void asyncFunc(); // asynchronous thread function
-	std::mutex mutex_;
-	// condvar for async thread to wait on
-	std::condition_variable async_signal_;
-	// condvar for synchronous thread to wait on
-	std::condition_variable sync_signal_;
-	// for sync thread to check  if async thread finished (requires mutex)
-	bool async_finished_;
-	// for async thread to check if it's been told to run (requires mutex)
-	bool async_start_;
-	// for async thread to check if it's been told to quit (requires mutex)
-	bool async_abort_;
-
-	// The following are only for the synchronous thread to use:
-	// for sync thread to note its has asked async thread to run
-	bool async_started_;
-	// counts up to frame_period before restarting the async thread
-	int frame_phase_;
-	// counts up to startup_frames
-	int frame_count_;
-	// counts up to startup_frames for Process function
-	int frame_count2_;
-	double sync_results_[3][ALSC_CELLS_Y][ALSC_CELLS_X];
-	double prev_sync_results_[3][ALSC_CELLS_Y][ALSC_CELLS_X];
-	void waitForAysncThread();
-	// The following are for the asynchronous thread to use, though the main
-	// thread can set/reset them if the async thread is known to be idle:
-	void restartAsync(StatisticsPtr &stats, Metadata *image_metadata);
-	// copy out the results from the async thread so that it can be restarted
-	void fetchAsyncResults();
-	double ct_;
-	bcm2835_isp_stats_region statistics_[ALSC_CELLS_Y * ALSC_CELLS_X];
-	double async_results_[3][ALSC_CELLS_Y][ALSC_CELLS_X];
-	double async_lambda_r_[ALSC_CELLS_X * ALSC_CELLS_Y];
-	double async_lambda_b_[ALSC_CELLS_X * ALSC_CELLS_Y];
-	void doAlsc();
-	double lambda_r_[ALSC_CELLS_X * ALSC_CELLS_Y];
-	double lambda_b_[ALSC_CELLS_X * ALSC_CELLS_Y];
-};
-
-} // namespace RPiController