[libcamera-devel] [PATCH v3 7/8] ipa: raspberrypi: Remove #define constants
Naushir Patuck
naush at raspberrypi.com
Wed Jul 27 10:55:23 CEST 2022
Replace all #define constant values with equivalent constexpr definitions.
As a drive-by, remove the CAMERA_MODE_NAME_LEN constant as it is unused.
Signed-off-by: Naushir Patuck <naush at raspberrypi.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
---
src/ipa/raspberrypi/controller/alsc_status.h | 10 ++++-----
src/ipa/raspberrypi/controller/camera_mode.h | 2 --
.../raspberrypi/controller/contrast_status.h | 4 ++--
src/ipa/raspberrypi/controller/rpi/agc.cpp | 22 +++++++++----------
src/ipa/raspberrypi/controller/rpi/agc.h | 4 ++--
src/ipa/raspberrypi/controller/rpi/alsc.cpp | 4 ++--
src/ipa/raspberrypi/controller/rpi/alsc.h | 22 +++++++++----------
src/ipa/raspberrypi/controller/rpi/awb.cpp | 8 +++----
.../raspberrypi/controller/rpi/contrast.cpp | 6 ++---
src/ipa/raspberrypi/raspberrypi.cpp | 2 +-
10 files changed, 41 insertions(+), 43 deletions(-)
diff --git a/src/ipa/raspberrypi/controller/alsc_status.h b/src/ipa/raspberrypi/controller/alsc_status.h
index 498880daf2d1..e5aa7e37c330 100644
--- a/src/ipa/raspberrypi/controller/alsc_status.h
+++ b/src/ipa/raspberrypi/controller/alsc_status.h
@@ -11,11 +11,11 @@
* "alsc.status" metadata.
*/
-#define ALSC_CELLS_X 16
-#define ALSC_CELLS_Y 12
+constexpr unsigned int AlscCellsX = 16;
+constexpr unsigned int AlscCellsY = 12;
struct AlscStatus {
- double r[ALSC_CELLS_Y][ALSC_CELLS_X];
- double g[ALSC_CELLS_Y][ALSC_CELLS_X];
- double b[ALSC_CELLS_Y][ALSC_CELLS_X];
+ double r[AlscCellsY][AlscCellsX];
+ double g[AlscCellsY][AlscCellsX];
+ double b[AlscCellsY][AlscCellsX];
};
diff --git a/src/ipa/raspberrypi/controller/camera_mode.h b/src/ipa/raspberrypi/controller/camera_mode.h
index 0ac6c07fb7bf..a6ccf8c1c600 100644
--- a/src/ipa/raspberrypi/controller/camera_mode.h
+++ b/src/ipa/raspberrypi/controller/camera_mode.h
@@ -16,8 +16,6 @@
* including binning, scaling, cropping etc.
*/
-#define CAMERA_MODE_NAME_LEN 32
-
struct CameraMode {
/* bit depth of the raw camera output */
uint32_t bitdepth;
diff --git a/src/ipa/raspberrypi/controller/contrast_status.h b/src/ipa/raspberrypi/controller/contrast_status.h
index 11d55295963b..ef2a7c680fc2 100644
--- a/src/ipa/raspberrypi/controller/contrast_status.h
+++ b/src/ipa/raspberrypi/controller/contrast_status.h
@@ -11,7 +11,7 @@
* of contrast stretching based on the AGC histogram.
*/
-#define CONTRAST_NUM_POINTS 33
+constexpr unsigned int ContrastNumPoints = 33;
struct ContrastPoint {
uint16_t x;
@@ -19,7 +19,7 @@ struct ContrastPoint {
};
struct ContrastStatus {
- struct ContrastPoint points[CONTRAST_NUM_POINTS];
+ struct ContrastPoint points[ContrastNumPoints];
double brightness;
double contrast;
};
diff --git a/src/ipa/raspberrypi/controller/rpi/agc.cpp b/src/ipa/raspberrypi/controller/rpi/agc.cpp
index e9a945e3a630..e0c174b6580d 100644
--- a/src/ipa/raspberrypi/controller/rpi/agc.cpp
+++ b/src/ipa/raspberrypi/controller/rpi/agc.cpp
@@ -28,17 +28,17 @@ LOG_DEFINE_CATEGORY(RPiAgc)
#define NAME "rpi.agc"
-#define PIPELINE_BITS 13 /* seems to be a 13-bit pipeline */
+static constexpr unsigned int PipelineBits = 13; /* seems to be a 13-bit pipeline */
void AgcMeteringMode::read(boost::property_tree::ptree const ¶ms)
{
int num = 0;
for (auto &p : params.get_child("weights")) {
- if (num == AGC_STATS_SIZE)
+ if (num == AgcStatsSize)
LOG(RPiAgc, Fatal) << "AgcConfig: too many weights";
weights[num++] = p.second.get_value<double>();
}
- if (num != AGC_STATS_SIZE)
+ if (num != AgcStatsSize)
LOG(RPiAgc, Fatal) << "AgcConfig: insufficient weights";
}
@@ -525,11 +525,11 @@ static double computeInitialY(bcm2835_isp_stats *stats, AwbStatus const &awb,
* "average" metering (i.e. all pixels equally important).
*/
double rSum = 0, gSum = 0, bSum = 0, pixelSum = 0;
- for (int i = 0; i < AGC_STATS_SIZE; i++) {
+ for (unsigned int i = 0; i < AgcStatsSize; i++) {
double counted = regions[i].counted;
- double rAcc = std::min(regions[i].r_sum * gain, ((1 << PIPELINE_BITS) - 1) * counted);
- double gAcc = std::min(regions[i].g_sum * gain, ((1 << PIPELINE_BITS) - 1) * counted);
- double bAcc = std::min(regions[i].b_sum * gain, ((1 << PIPELINE_BITS) - 1) * counted);
+ double rAcc = std::min(regions[i].r_sum * gain, ((1 << PipelineBits) - 1) * counted);
+ double gAcc = std::min(regions[i].g_sum * gain, ((1 << PipelineBits) - 1) * counted);
+ double bAcc = std::min(regions[i].b_sum * gain, ((1 << PipelineBits) - 1) * counted);
rSum += rAcc * weights[i];
gSum += gAcc * weights[i];
bSum += bAcc * weights[i];
@@ -542,7 +542,7 @@ static double computeInitialY(bcm2835_isp_stats *stats, AwbStatus const &awb,
double ySum = rSum * awb.gainR * .299 +
gSum * awb.gainG * .587 +
bSum * awb.gainB * .114;
- return ySum / pixelSum / (1 << PIPELINE_BITS);
+ return ySum / pixelSum / (1 << PipelineBits);
}
/*
@@ -553,13 +553,13 @@ static double computeInitialY(bcm2835_isp_stats *stats, AwbStatus const &awb,
* (contrived) cases.
*/
-#define EV_GAIN_Y_TARGET_LIMIT 0.9
+static constexpr double EvGainYTargetLimit = 0.9;
static double constraintComputeGain(AgcConstraint &c, Histogram &h, double lux,
double evGain, double &targetY)
{
targetY = c.yTarget.eval(c.yTarget.domain().clip(lux));
- targetY = std::min(EV_GAIN_Y_TARGET_LIMIT, targetY * evGain);
+ targetY = std::min(EvGainYTargetLimit, targetY * evGain);
double iqm = h.interQuantileMean(c.qLo, c.qHi);
return (targetY * NUM_HISTOGRAM_BINS) / iqm;
}
@@ -578,7 +578,7 @@ void Agc::computeGain(bcm2835_isp_stats *statistics, Metadata *imageMetadata,
* that we consider the histogram constraints.
*/
targetY = config_.yTarget.eval(config_.yTarget.domain().clip(lux.lux));
- targetY = std::min(EV_GAIN_Y_TARGET_LIMIT, targetY * evGain);
+ targetY = std::min(EvGainYTargetLimit, targetY * evGain);
/*
* Do this calculation a few times as brightness increase can be
diff --git a/src/ipa/raspberrypi/controller/rpi/agc.h b/src/ipa/raspberrypi/controller/rpi/agc.h
index 48b33a10c73a..f57afa6dc80c 100644
--- a/src/ipa/raspberrypi/controller/rpi/agc.h
+++ b/src/ipa/raspberrypi/controller/rpi/agc.h
@@ -22,12 +22,12 @@
* number (which is 16).
*/
-#define AGC_STATS_SIZE 15
+constexpr unsigned int AgcStatsSize = 15;
namespace RPiController {
struct AgcMeteringMode {
- double weights[AGC_STATS_SIZE];
+ double weights[AgcStatsSize];
void read(boost::property_tree::ptree const ¶ms);
};
diff --git a/src/ipa/raspberrypi/controller/rpi/alsc.cpp b/src/ipa/raspberrypi/controller/rpi/alsc.cpp
index 7df89445711a..03ae33501dc0 100644
--- a/src/ipa/raspberrypi/controller/rpi/alsc.cpp
+++ b/src/ipa/raspberrypi/controller/rpi/alsc.cpp
@@ -23,8 +23,8 @@ LOG_DEFINE_CATEGORY(RPiAlsc)
#define NAME "rpi.alsc"
-static const int X = ALSC_CELLS_X;
-static const int Y = ALSC_CELLS_Y;
+static const int X = AlscCellsX;
+static const int Y = AlscCellsY;
static const int XY = X * Y;
static const double InsufficientData = -1.0;
diff --git a/src/ipa/raspberrypi/controller/rpi/alsc.h b/src/ipa/raspberrypi/controller/rpi/alsc.h
index e17f2fe93379..4e9a715ae0ab 100644
--- a/src/ipa/raspberrypi/controller/rpi/alsc.h
+++ b/src/ipa/raspberrypi/controller/rpi/alsc.h
@@ -19,7 +19,7 @@ namespace RPiController {
struct AlscCalibration {
double ct;
- double table[ALSC_CELLS_X * ALSC_CELLS_Y];
+ double table[AlscCellsX * AlscCellsY];
};
struct AlscConfig {
@@ -35,7 +35,7 @@ struct AlscConfig {
uint16_t minG;
double omega;
uint32_t nIter;
- double luminanceLut[ALSC_CELLS_X * ALSC_CELLS_Y];
+ double luminanceLut[AlscCellsX * AlscCellsY];
double luminanceStrength;
std::vector<AlscCalibration> calibrationsCr;
std::vector<AlscCalibration> calibrationsCb;
@@ -61,7 +61,7 @@ private:
AlscConfig config_;
bool firstTime_;
CameraMode cameraMode_;
- double luminanceTable_[ALSC_CELLS_X * ALSC_CELLS_Y];
+ double luminanceTable_[AlscCellsX * AlscCellsY];
std::thread asyncThread_;
void asyncFunc(); /* asynchronous thread function */
std::mutex mutex_;
@@ -87,8 +87,8 @@ private:
int frameCount_;
/* 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];
+ double syncResults_[3][AlscCellsY][AlscCellsX];
+ double prevSyncResults_[3][AlscCellsY][AlscCellsX];
void waitForAysncThread();
/*
* The following are for the asynchronous thread to use, though the main
@@ -98,13 +98,13 @@ private:
/* 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 asyncResults_[3][ALSC_CELLS_Y][ALSC_CELLS_X];
- double asyncLambdaR_[ALSC_CELLS_X * ALSC_CELLS_Y];
- double asyncLambdaB_[ALSC_CELLS_X * ALSC_CELLS_Y];
+ bcm2835_isp_stats_region statistics_[AlscCellsY * AlscCellsX];
+ double asyncResults_[3][AlscCellsY][AlscCellsX];
+ double asyncLambdaR_[AlscCellsX * AlscCellsY];
+ double asyncLambdaB_[AlscCellsX * AlscCellsY];
void doAlsc();
- double lambdaR_[ALSC_CELLS_X * ALSC_CELLS_Y];
- double lambdaB_[ALSC_CELLS_X * ALSC_CELLS_Y];
+ double lambdaR_[AlscCellsX * AlscCellsY];
+ double lambdaB_[AlscCellsX * AlscCellsY];
};
} /* namespace RPiController */
diff --git a/src/ipa/raspberrypi/controller/rpi/awb.cpp b/src/ipa/raspberrypi/controller/rpi/awb.cpp
index d87a8f358539..f5898fc48eb6 100644
--- a/src/ipa/raspberrypi/controller/rpi/awb.cpp
+++ b/src/ipa/raspberrypi/controller/rpi/awb.cpp
@@ -18,8 +18,8 @@ LOG_DEFINE_CATEGORY(RPiAwb)
#define NAME "rpi.awb"
-#define AWB_STATS_SIZE_X DEFAULT_AWB_REGIONS_X
-#define AWB_STATS_SIZE_Y DEFAULT_AWB_REGIONS_Y
+static constexpr unsigned int AwbStatsSizeX = DEFAULT_AWB_REGIONS_X;
+static constexpr unsigned int AwbStatsSizeY = DEFAULT_AWB_REGIONS_Y;
/*
* todo - the locking in this algorithm needs some tidying up as has been done
@@ -357,7 +357,7 @@ static void generateStats(std::vector<Awb::RGB> &zones,
bcm2835_isp_stats_region *stats, double minPixels,
double minG)
{
- for (int i = 0; i < AWB_STATS_SIZE_X * AWB_STATS_SIZE_Y; i++) {
+ for (unsigned int i = 0; i < AwbStatsSizeX * AwbStatsSizeY; i++) {
Awb::RGB zone;
double counted = stats[i].counted;
if (counted >= minPixels) {
@@ -599,7 +599,7 @@ void Awb::awbBayes()
* valid... not entirely sure about this.
*/
Pwl prior = interpolatePrior();
- prior *= zones_.size() / (double)(AWB_STATS_SIZE_X * AWB_STATS_SIZE_Y);
+ prior *= zones_.size() / (double)(AwbStatsSizeX * AwbStatsSizeY);
prior.map([](double x, double y) {
LOG(RPiAwb, Debug) << "(" << x << "," << y << ")";
});
diff --git a/src/ipa/raspberrypi/controller/rpi/contrast.cpp b/src/ipa/raspberrypi/controller/rpi/contrast.cpp
index 04aeb91e4d61..9e60dc5d47e7 100644
--- a/src/ipa/raspberrypi/controller/rpi/contrast.cpp
+++ b/src/ipa/raspberrypi/controller/rpi/contrast.cpp
@@ -70,15 +70,15 @@ static void fillInStatus(ContrastStatus &status, double brightness,
{
status.brightness = brightness;
status.contrast = contrast;
- for (int i = 0; i < CONTRAST_NUM_POINTS - 1; i++) {
+ for (unsigned int i = 0; i < ContrastNumPoints - 1; i++) {
int x = i < 16 ? i * 1024
: (i < 24 ? (i - 16) * 2048 + 16384
: (i - 24) * 4096 + 32768);
status.points[i].x = x;
status.points[i].y = std::min(65535.0, gammaCurve.eval(x));
}
- status.points[CONTRAST_NUM_POINTS - 1].x = 65535;
- status.points[CONTRAST_NUM_POINTS - 1].y = 65535;
+ status.points[ContrastNumPoints - 1].x = 65535;
+ status.points[ContrastNumPoints - 1].y = 65535;
}
void Contrast::initialise()
diff --git a/src/ipa/raspberrypi/raspberrypi.cpp b/src/ipa/raspberrypi/raspberrypi.cpp
index 951d8c65abfd..9d550354d78e 100644
--- a/src/ipa/raspberrypi/raspberrypi.cpp
+++ b/src/ipa/raspberrypi/raspberrypi.cpp
@@ -1235,7 +1235,7 @@ void IPARPi::applyGamma(const struct ContrastStatus *contrastStatus, ControlList
struct bcm2835_isp_gamma gamma;
gamma.enabled = 1;
- for (int i = 0; i < CONTRAST_NUM_POINTS; i++) {
+ for (unsigned int i = 0; i < ContrastNumPoints; i++) {
gamma.x[i] = contrastStatus->points[i].x;
gamma.y[i] = contrastStatus->points[i].y;
}
--
2.25.1
More information about the libcamera-devel
mailing list