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ipa: raspberrypi: Change to C style code comments

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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>
This commit is contained in:
Naushir Patuck 2022-07-27 09:55:18 +01:00 • committed by Laurent Pinchart
parent 177df04d2b
commit acd5d9979f
55 changed files with 887 additions and 630 deletions
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50
src/ipa/raspberrypi/controller/rpi/alsc.hpp
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@ -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 */