ipa: raspberrypi: Change to C style code comments

As part of the on-going refactor efforts for the source files in
src/ipa/raspberrypi/, switch all C++ style comments to C style comments.

Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

1 files changed, 27 insertions, 23 deletions

diff --git a/src/ipa/raspberrypi/controller/rpi/alsc.hpp b/src/ipa/raspberrypi/controller/rpi/alsc.hpp
index 7a0949d1..3ffc175d 100644
--- a/src/ipa/raspberrypi/controller/rpi/alsc.hpp
+++ b/src/ipa/raspberrypi/controller/rpi/alsc.hpp
@@ -15,7 +15,7 @@
 
 namespace RPiController {
 
-// Algorithm to generate automagic LSC (Lens Shading Correction) tables.
+/* Algorithm to generate automagic LSC (Lens Shading Correction) tables. */
 
 struct AlscCalibration {
 	double ct;
@@ -23,11 +23,11 @@ struct AlscCalibration {
 };
 
 struct AlscConfig {
-	// Only repeat the ALSC calculation every "this many" frames
+	/* Only repeat the ALSC calculation every "this many" frames */
 	uint16_t framePeriod;
-	// number of initial frames for which speed taken as 1.0 (maximum)
+	/* number of initial frames for which speed taken as 1.0 (maximum) */
 	uint16_t startupFrames;
-	// IIR filter speed applied to algorithm results
+	/* IIR filter speed applied to algorithm results */
 	double speed;
 	double sigmaCr;
 	double sigmaCb;
@@ -39,9 +39,9 @@ struct AlscConfig {
 	double luminanceStrength;
 	std::vector<AlscCalibration> calibrationsCr;
 	std::vector<AlscCalibration> calibrationsCb;
-	double defaultCt; // colour temperature if no metadata found
-	double threshold; // iteration termination threshold
-	double lambdaBound; // upper/lower bound for lambda from a value of 1
+	double defaultCt; /* colour temperature if no metadata found */
+	double threshold; /* iteration termination threshold */
+	double lambdaBound; /* upper/lower bound for lambda from a value of 1 */
 };
 
 class Alsc : public Algorithm
@@ -57,41 +57,45 @@ public:
 	void process(StatisticsPtr &stats, Metadata *imageMetadata) override;
 
 private:
-	// configuration is read-only, and available to both threads
+	/* configuration is read-only, and available to both threads */
 	AlscConfig config_;
 	bool firstTime_;
 	CameraMode cameraMode_;
 	double luminanceTable_[ALSC_CELLS_X * ALSC_CELLS_Y];
 	std::thread asyncThread_;
-	void asyncFunc(); // asynchronous thread function
+	void asyncFunc(); /* asynchronous thread function */
 	std::mutex mutex_;
-	// condvar for async thread to wait on
+	/* condvar for async thread to wait on */
 	std::condition_variable asyncSignal_;
-	// condvar for synchronous thread to wait on
+	/* condvar for synchronous thread to wait on */
 	std::condition_variable syncSignal_;
-	// for sync thread to check  if async thread finished (requires mutex)
+	/* for sync thread to check  if async thread finished (requires mutex) */
 	bool asyncFinished_;
-	// for async thread to check if it's been told to run (requires mutex)
+	/* for async thread to check if it's been told to run (requires mutex) */
 	bool asyncStart_;
-	// for async thread to check if it's been told to quit (requires mutex)
+	/* for async thread to check if it's been told to quit (requires mutex) */
 	bool asyncAbort_;
 
-	// The following are only for the synchronous thread to use:
-	// for sync thread to note its has asked async thread to run
+	/*
+	 * The following are only for the synchronous thread to use:
+	 * for sync thread to note its has asked async thread to run
+	 */
 	bool asyncStarted_;
-	// counts up to framePeriod before restarting the async thread
+	/* counts up to framePeriod before restarting the async thread */
 	int framePhase_;
-	// counts up to startupFrames
+	/* counts up to startupFrames */
 	int frameCount_;
-	// counts up to startupFrames for Process function
+	/* counts up to startupFrames for Process function */
 	int frameCount2_;
 	double syncResults_[3][ALSC_CELLS_Y][ALSC_CELLS_X];
 	double prevSyncResults_[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:
+	/*
+	 * 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 *imageMetadata);
-	// copy out the results from the async thread so that it can be restarted
+	/* 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];
@@ -103,4 +107,4 @@ private:
 	double lambdaB_[ALSC_CELLS_X * ALSC_CELLS_Y];
 };
 
-} // namespace RPiController
+} /* namespace RPiController */