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-rw-r--r--include/libcamera/ipa/raspberrypi.h2
-rw-r--r--src/ipa/raspberrypi/raspberrypi.cpp189
-rw-r--r--src/libcamera/pipeline/raspberrypi/raspberrypi.cpp2
3 files changed, 98 insertions, 95 deletions
diff --git a/include/libcamera/ipa/raspberrypi.h b/include/libcamera/ipa/raspberrypi.h
index c9d4aa81..b3041591 100644
--- a/include/libcamera/ipa/raspberrypi.h
+++ b/include/libcamera/ipa/raspberrypi.h
@@ -41,7 +41,7 @@ enum BufferMask {
};
/* Size of the LS grid allocation. */
-#define MAX_LS_GRID_SIZE (32 << 10)
+static constexpr unsigned int MaxLsGridSize = 32 << 10;
/* List of controls handled by the Raspberry Pi IPA */
static const ControlInfoMap Controls = {
diff --git a/src/ipa/raspberrypi/raspberrypi.cpp b/src/ipa/raspberrypi/raspberrypi.cpp
index fdd6016b..b0c7d1c1 100644
--- a/src/ipa/raspberrypi/raspberrypi.cpp
+++ b/src/ipa/raspberrypi/raspberrypi.cpp
@@ -55,8 +55,8 @@
namespace libcamera {
/* Configure the sensor with these values initially. */
-#define DEFAULT_ANALOGUE_GAIN 1.0
-#define DEFAULT_EXPOSURE_TIME 20000
+constexpr double DefaultAnalogueGain = 1.0;
+constexpr unsigned int DefaultExposureTime = 20000;
LOG_DEFINE_CATEGORY(IPARPI)
@@ -65,7 +65,7 @@ class IPARPi : public IPAInterface
public:
IPARPi()
: lastMode_({}), controller_(), controllerInit_(false),
- frame_count_(0), check_count_(0), mistrust_count_(0),
+ frameCount_(0), checkCount_(0), mistrustCount_(0),
lsTable_(nullptr)
{
}
@@ -73,7 +73,7 @@ public:
~IPARPi()
{
if (lsTable_)
- munmap(lsTable_, MAX_LS_GRID_SIZE);
+ munmap(lsTable_, RPi::MaxLsGridSize);
}
int init(const IPASettings &settings) override;
@@ -108,13 +108,13 @@ private:
void applySharpen(const struct SharpenStatus *sharpenStatus, ControlList &ctrls);
void applyDPC(const struct DpcStatus *dpcStatus, ControlList &ctrls);
void applyLS(const struct AlscStatus *lsStatus, ControlList &ctrls);
- void resampleTable(uint16_t dest[], double const src[12][16], int dest_w, int dest_h);
+ void resampleTable(uint16_t dest[], double const src[12][16], int destW, int destH);
std::map<unsigned int, FrameBuffer> buffers_;
std::map<unsigned int, void *> buffersMemory_;
- ControlInfoMap unicam_ctrls_;
- ControlInfoMap isp_ctrls_;
+ ControlInfoMap unicamCtrls_;
+ ControlInfoMap ispCtrls_;
ControlList libcameraMetadata_;
/* IPA configuration. */
@@ -134,11 +134,14 @@ private:
* We count frames to decide if the frame must be hidden (e.g. from
* display) or mistrusted (i.e. not given to the control algos).
*/
- uint64_t frame_count_;
+ uint64_t frameCount_;
+
/* For checking the sequencing of Prepare/Process calls. */
- uint64_t check_count_;
+ uint64_t checkCount_;
+
/* How many frames we should avoid running control algos on. */
- unsigned int mistrust_count_;
+ unsigned int mistrustCount_;
+
/* LS table allocation passed in from the pipeline handler. */
FileDescriptor lsTableHandle_;
void *lsTable_;
@@ -199,8 +202,9 @@ void IPARPi::configure(const CameraSensorInfo &sensorInfo,
result->operation = 0;
- unicam_ctrls_ = entityControls.at(0);
- isp_ctrls_ = entityControls.at(1);
+ unicamCtrls_ = entityControls.at(0);
+ ispCtrls_ = entityControls.at(1);
+
/* Setup a metadata ControlList to output metadata. */
libcameraMetadata_ = ControlList(controls::controls);
@@ -212,6 +216,7 @@ void IPARPi::configure(const CameraSensorInfo &sensorInfo,
std::string cameraName(sensorInfo.model);
if (!helper_) {
helper_ = std::unique_ptr<RPiController::CamHelper>(RPiController::CamHelper::Create(cameraName));
+
/*
* Pass out the sensor config to the pipeline handler in order
* to setup the staggered writer class.
@@ -240,14 +245,14 @@ void IPARPi::configure(const CameraSensorInfo &sensorInfo,
if (ipaConfig.operation & RPi::IPA_CONFIG_LS_TABLE) {
/* Remove any previous table, if there was one. */
if (lsTable_) {
- munmap(lsTable_, MAX_LS_GRID_SIZE);
+ munmap(lsTable_, RPi::MaxLsGridSize);
lsTable_ = nullptr;
}
/* Map the LS table buffer into user space (now element 1). */
lsTableHandle_ = FileDescriptor(ipaConfig.data[1]);
if (lsTableHandle_.isValid()) {
- lsTable_ = mmap(nullptr, MAX_LS_GRID_SIZE, PROT_READ | PROT_WRITE,
+ lsTable_ = mmap(nullptr, RPi::MaxLsGridSize, PROT_READ | PROT_WRITE,
MAP_SHARED, lsTableHandle_.fd(), 0);
if (lsTable_ == MAP_FAILED) {
@@ -265,22 +270,22 @@ void IPARPi::configure(const CameraSensorInfo &sensorInfo,
*"mistrusted", which depends on whether this is a startup from cold,
* or merely a mode switch in a running system.
*/
- frame_count_ = 0;
- check_count_ = 0;
- unsigned int drop_frame = 0;
+ frameCount_ = 0;
+ checkCount_ = 0;
+ unsigned int dropFrame = 0;
if (controllerInit_) {
- drop_frame = helper_->HideFramesModeSwitch();
- mistrust_count_ = helper_->MistrustFramesModeSwitch();
+ dropFrame = helper_->HideFramesModeSwitch();
+ mistrustCount_ = helper_->MistrustFramesModeSwitch();
} else {
- drop_frame = helper_->HideFramesStartup();
- mistrust_count_ = helper_->MistrustFramesStartup();
+ dropFrame = helper_->HideFramesStartup();
+ mistrustCount_ = helper_->MistrustFramesStartup();
}
- result->data.push_back(drop_frame);
+ result->data.push_back(dropFrame);
result->operation |= RPi::IPA_CONFIG_DROP_FRAMES;
- struct AgcStatus agcStatus;
/* These zero values mean not program anything (unless overwritten). */
+ struct AgcStatus agcStatus;
agcStatus.shutter_time = 0.0;
agcStatus.analogue_gain = 0.0;
@@ -291,8 +296,8 @@ void IPARPi::configure(const CameraSensorInfo &sensorInfo,
controllerInit_ = true;
/* Supply initial values for gain and exposure. */
- agcStatus.shutter_time = DEFAULT_EXPOSURE_TIME;
- agcStatus.analogue_gain = DEFAULT_ANALOGUE_GAIN;
+ agcStatus.shutter_time = DefaultExposureTime;
+ agcStatus.analogue_gain = DefaultAnalogueGain;
}
RPiController::Metadata metadata;
@@ -301,7 +306,7 @@ void IPARPi::configure(const CameraSensorInfo &sensorInfo,
/* SwitchMode may supply updated exposure/gain values to use. */
metadata.Get("agc.status", agcStatus);
if (agcStatus.shutter_time != 0.0 && agcStatus.analogue_gain != 0.0) {
- ControlList ctrls(unicam_ctrls_);
+ ControlList ctrls(unicamCtrls_);
applyAGC(&agcStatus, ctrls);
result->controls.push_back(ctrls);
@@ -349,9 +354,9 @@ void IPARPi::processEvent(const IPAOperationData &event)
case RPi::IPA_EVENT_SIGNAL_STAT_READY: {
unsigned int bufferId = event.data[0];
- if (++check_count_ != frame_count_) /* assert here? */
+ if (++checkCount_ != frameCount_) /* assert here? */
LOG(IPARPI, Error) << "WARNING: Prepare/Process mismatch!!!";
- if (frame_count_ > mistrust_count_)
+ if (frameCount_ > mistrustCount_)
processStats(bufferId);
reportMetadata();
@@ -374,7 +379,7 @@ void IPARPi::processEvent(const IPAOperationData &event)
* they are "unreliable".
*/
prepareISP(embeddedbufferId);
- frame_count_++;
+ frameCount_++;
/* Ready to push the input buffer into the ISP. */
IPAOperationData op;
@@ -404,7 +409,6 @@ void IPARPi::reportMetadata()
* processed can be extracted and placed into the libcamera metadata
* buffer, where an application could query it.
*/
-
DeviceStatus *deviceStatus = rpiMetadata_.GetLocked<DeviceStatus>("device.status");
if (deviceStatus) {
libcameraMetadata_.set(controls::ExposureTime, deviceStatus->shutter_speed);
@@ -459,7 +463,6 @@ void IPARPi::reportMetadata()
* we use to identify different modes. Unfortunately, the conversion tables
* must be kept up-to-date by hand.
*/
-
static const std::map<int32_t, std::string> MeteringModeTable = {
{ controls::MeteringCentreWeighted, "centre-weighted" },
{ controls::MeteringSpot, "spot" },
@@ -517,8 +520,10 @@ void IPARPi::queueRequest(const ControlList &controls)
RPiController::AgcAlgorithm *agc = dynamic_cast<RPiController::AgcAlgorithm *>(
controller_.GetAlgorithm("agc"));
ASSERT(agc);
+
/* This expects units of micro-seconds. */
agc->SetFixedShutter(ctrl.second.get<int32_t>());
+
/* For the manual values to take effect, AGC must be unpaused. */
if (agc->IsPaused())
agc->Resume();
@@ -532,6 +537,7 @@ void IPARPi::queueRequest(const ControlList &controls)
controller_.GetAlgorithm("agc"));
ASSERT(agc);
agc->SetFixedAnalogueGain(ctrl.second.get<float>());
+
/* For the manual values to take effect, AGC must be unpaused. */
if (agc->IsPaused())
agc->Resume();
@@ -719,7 +725,7 @@ void IPARPi::prepareISP(unsigned int bufferId)
returnEmbeddedBuffer(bufferId);
if (success) {
- ControlList ctrls(isp_ctrls_);
+ ControlList ctrls(ispCtrls_);
rpiMetadata_.Clear();
rpiMetadata_.Set("device.status", deviceStatus);
@@ -791,19 +797,19 @@ bool IPARPi::parseEmbeddedData(unsigned int bufferId, struct DeviceStatus &devic
if (status != RPiController::MdParser::Status::OK) {
LOG(IPARPI, Error) << "Embedded Buffer parsing failed, error " << status;
} else {
- uint32_t exposure_lines, gain_code;
- if (helper_->Parser().GetExposureLines(exposure_lines) != RPiController::MdParser::Status::OK) {
+ uint32_t exposureLines, gainCode;
+ if (helper_->Parser().GetExposureLines(exposureLines) != RPiController::MdParser::Status::OK) {
LOG(IPARPI, Error) << "Exposure time failed";
return false;
}
- deviceStatus.shutter_speed = helper_->Exposure(exposure_lines);
- if (helper_->Parser().GetGainCode(gain_code) != RPiController::MdParser::Status::OK) {
+ deviceStatus.shutter_speed = helper_->Exposure(exposureLines);
+ if (helper_->Parser().GetGainCode(gainCode) != RPiController::MdParser::Status::OK) {
LOG(IPARPI, Error) << "Gain failed";
return false;
}
- deviceStatus.analogue_gain = helper_->Gain(gain_code);
+ deviceStatus.analogue_gain = helper_->Gain(gainCode);
LOG(IPARPI, Debug) << "Metadata - Exposure : "
<< deviceStatus.shutter_speed << " Gain : "
<< deviceStatus.analogue_gain;
@@ -826,7 +832,7 @@ void IPARPi::processStats(unsigned int bufferId)
struct AgcStatus agcStatus;
if (rpiMetadata_.Get("agc.status", agcStatus) == 0) {
- ControlList ctrls(unicam_ctrls_);
+ ControlList ctrls(unicamCtrls_);
applyAGC(&agcStatus, ctrls);
IPAOperationData op;
@@ -838,14 +844,14 @@ void IPARPi::processStats(unsigned int bufferId)
void IPARPi::applyAWB(const struct AwbStatus *awbStatus, ControlList &ctrls)
{
- const auto gainR = isp_ctrls_.find(V4L2_CID_RED_BALANCE);
- if (gainR == isp_ctrls_.end()) {
+ const auto gainR = ispCtrls_.find(V4L2_CID_RED_BALANCE);
+ if (gainR == ispCtrls_.end()) {
LOG(IPARPI, Error) << "Can't find red gain control";
return;
}
- const auto gainB = isp_ctrls_.find(V4L2_CID_BLUE_BALANCE);
- if (gainB == isp_ctrls_.end()) {
+ const auto gainB = ispCtrls_.find(V4L2_CID_BLUE_BALANCE);
+ if (gainB == ispCtrls_.end()) {
LOG(IPARPI, Error) << "Can't find blue gain control";
return;
}
@@ -861,31 +867,31 @@ void IPARPi::applyAWB(const struct AwbStatus *awbStatus, ControlList &ctrls)
void IPARPi::applyAGC(const struct AgcStatus *agcStatus, ControlList &ctrls)
{
- int32_t gain_code = helper_->GainCode(agcStatus->analogue_gain);
- int32_t exposure_lines = helper_->ExposureLines(agcStatus->shutter_time);
+ int32_t gainCode = helper_->GainCode(agcStatus->analogue_gain);
+ int32_t exposureLines = helper_->ExposureLines(agcStatus->shutter_time);
- if (unicam_ctrls_.find(V4L2_CID_ANALOGUE_GAIN) == unicam_ctrls_.end()) {
+ if (unicamCtrls_.find(V4L2_CID_ANALOGUE_GAIN) == unicamCtrls_.end()) {
LOG(IPARPI, Error) << "Can't find analogue gain control";
return;
}
- if (unicam_ctrls_.find(V4L2_CID_EXPOSURE) == unicam_ctrls_.end()) {
+ if (unicamCtrls_.find(V4L2_CID_EXPOSURE) == unicamCtrls_.end()) {
LOG(IPARPI, Error) << "Can't find exposure control";
return;
}
LOG(IPARPI, Debug) << "Applying AGC Exposure: " << agcStatus->shutter_time
- << " (Shutter lines: " << exposure_lines << ") Gain: "
+ << " (Shutter lines: " << exposureLines << ") Gain: "
<< agcStatus->analogue_gain << " (Gain Code: "
- << gain_code << ")";
+ << gainCode << ")";
- ctrls.set(V4L2_CID_ANALOGUE_GAIN, gain_code);
- ctrls.set(V4L2_CID_EXPOSURE, exposure_lines);
+ ctrls.set(V4L2_CID_ANALOGUE_GAIN, gainCode);
+ ctrls.set(V4L2_CID_EXPOSURE, exposureLines);
}
void IPARPi::applyDG(const struct AgcStatus *dgStatus, ControlList &ctrls)
{
- if (isp_ctrls_.find(V4L2_CID_DIGITAL_GAIN) == isp_ctrls_.end()) {
+ if (ispCtrls_.find(V4L2_CID_DIGITAL_GAIN) == ispCtrls_.end()) {
LOG(IPARPI, Error) << "Can't find digital gain control";
return;
}
@@ -896,7 +902,7 @@ void IPARPi::applyDG(const struct AgcStatus *dgStatus, ControlList &ctrls)
void IPARPi::applyCCM(const struct CcmStatus *ccmStatus, ControlList &ctrls)
{
- if (isp_ctrls_.find(V4L2_CID_USER_BCM2835_ISP_CC_MATRIX) == isp_ctrls_.end()) {
+ if (ispCtrls_.find(V4L2_CID_USER_BCM2835_ISP_CC_MATRIX) == ispCtrls_.end()) {
LOG(IPARPI, Error) << "Can't find CCM control";
return;
}
@@ -917,7 +923,7 @@ void IPARPi::applyCCM(const struct CcmStatus *ccmStatus, ControlList &ctrls)
void IPARPi::applyGamma(const struct ContrastStatus *contrastStatus, ControlList &ctrls)
{
- if (isp_ctrls_.find(V4L2_CID_USER_BCM2835_ISP_GAMMA) == isp_ctrls_.end()) {
+ if (ispCtrls_.find(V4L2_CID_USER_BCM2835_ISP_GAMMA) == ispCtrls_.end()) {
LOG(IPARPI, Error) << "Can't find Gamma control";
return;
}
@@ -936,7 +942,7 @@ void IPARPi::applyGamma(const struct ContrastStatus *contrastStatus, ControlList
void IPARPi::applyBlackLevel(const struct BlackLevelStatus *blackLevelStatus, ControlList &ctrls)
{
- if (isp_ctrls_.find(V4L2_CID_USER_BCM2835_ISP_BLACK_LEVEL) == isp_ctrls_.end()) {
+ if (ispCtrls_.find(V4L2_CID_USER_BCM2835_ISP_BLACK_LEVEL) == ispCtrls_.end()) {
LOG(IPARPI, Error) << "Can't find black level control";
return;
}
@@ -954,7 +960,7 @@ void IPARPi::applyBlackLevel(const struct BlackLevelStatus *blackLevelStatus, Co
void IPARPi::applyGEQ(const struct GeqStatus *geqStatus, ControlList &ctrls)
{
- if (isp_ctrls_.find(V4L2_CID_USER_BCM2835_ISP_GEQ) == isp_ctrls_.end()) {
+ if (ispCtrls_.find(V4L2_CID_USER_BCM2835_ISP_GEQ) == ispCtrls_.end()) {
LOG(IPARPI, Error) << "Can't find geq control";
return;
}
@@ -972,7 +978,7 @@ void IPARPi::applyGEQ(const struct GeqStatus *geqStatus, ControlList &ctrls)
void IPARPi::applyDenoise(const struct SdnStatus *denoiseStatus, ControlList &ctrls)
{
- if (isp_ctrls_.find(V4L2_CID_USER_BCM2835_ISP_DENOISE) == isp_ctrls_.end()) {
+ if (ispCtrls_.find(V4L2_CID_USER_BCM2835_ISP_DENOISE) == ispCtrls_.end()) {
LOG(IPARPI, Error) << "Can't find denoise control";
return;
}
@@ -992,7 +998,7 @@ void IPARPi::applyDenoise(const struct SdnStatus *denoiseStatus, ControlList &ct
void IPARPi::applySharpen(const struct SharpenStatus *sharpenStatus, ControlList &ctrls)
{
- if (isp_ctrls_.find(V4L2_CID_USER_BCM2835_ISP_SHARPEN) == isp_ctrls_.end()) {
+ if (ispCtrls_.find(V4L2_CID_USER_BCM2835_ISP_SHARPEN) == ispCtrls_.end()) {
LOG(IPARPI, Error) << "Can't find sharpen control";
return;
}
@@ -1013,7 +1019,7 @@ void IPARPi::applySharpen(const struct SharpenStatus *sharpenStatus, ControlList
void IPARPi::applyDPC(const struct DpcStatus *dpcStatus, ControlList &ctrls)
{
- if (isp_ctrls_.find(V4L2_CID_USER_BCM2835_ISP_DPC) == isp_ctrls_.end()) {
+ if (ispCtrls_.find(V4L2_CID_USER_BCM2835_ISP_DPC) == ispCtrls_.end()) {
LOG(IPARPI, Error) << "Can't find DPC control";
return;
}
@@ -1029,7 +1035,7 @@ void IPARPi::applyDPC(const struct DpcStatus *dpcStatus, ControlList &ctrls)
void IPARPi::applyLS(const struct AlscStatus *lsStatus, ControlList &ctrls)
{
- if (isp_ctrls_.find(V4L2_CID_USER_BCM2835_ISP_LENS_SHADING) == isp_ctrls_.end()) {
+ if (ispCtrls_.find(V4L2_CID_USER_BCM2835_ISP_LENS_SHADING) == ispCtrls_.end()) {
LOG(IPARPI, Error) << "Can't find LS control";
return;
}
@@ -1038,18 +1044,18 @@ void IPARPi::applyLS(const struct AlscStatus *lsStatus, ControlList &ctrls)
* Program lens shading tables into pipeline.
* Choose smallest cell size that won't exceed 63x48 cells.
*/
- const int cell_sizes[] = { 16, 32, 64, 128, 256 };
- unsigned int num_cells = ARRAY_SIZE(cell_sizes);
- unsigned int i, w, h, cell_size;
- for (i = 0; i < num_cells; i++) {
- cell_size = cell_sizes[i];
- w = (mode_.width + cell_size - 1) / cell_size;
- h = (mode_.height + cell_size - 1) / cell_size;
+ const int cellSizes[] = { 16, 32, 64, 128, 256 };
+ unsigned int numCells = ARRAY_SIZE(cellSizes);
+ unsigned int i, w, h, cellSize;
+ for (i = 0; i < numCells; i++) {
+ cellSize = cellSizes[i];
+ w = (mode_.width + cellSize - 1) / cellSize;
+ h = (mode_.height + cellSize - 1) / cellSize;
if (w < 64 && h <= 48)
break;
}
- if (i == num_cells) {
+ if (i == numCells) {
LOG(IPARPI, Error) << "Cannot find cell size";
return;
}
@@ -1058,7 +1064,7 @@ void IPARPi::applyLS(const struct AlscStatus *lsStatus, ControlList &ctrls)
w++, h++;
bcm2835_isp_lens_shading ls = {
.enabled = 1,
- .grid_cell_size = cell_size,
+ .grid_cell_size = cellSize,
.grid_width = w,
.grid_stride = w,
.grid_height = h,
@@ -1068,7 +1074,7 @@ void IPARPi::applyLS(const struct AlscStatus *lsStatus, ControlList &ctrls)
.gain_format = GAIN_FORMAT_U4P10
};
- if (!lsTable_ || w * h * 4 * sizeof(uint16_t) > MAX_LS_GRID_SIZE) {
+ if (!lsTable_ || w * h * 4 * sizeof(uint16_t) > RPi::MaxLsGridSize) {
LOG(IPARPI, Error) << "Do not have a correctly allocate lens shading table!";
return;
}
@@ -1089,41 +1095,39 @@ void IPARPi::applyLS(const struct AlscStatus *lsStatus, ControlList &ctrls)
}
/*
- * Resamples a 16x12 table with central sampling to dest_w x dest_h with corner
+ * Resamples a 16x12 table with central sampling to destW x destH with corner
* sampling.
*/
void IPARPi::resampleTable(uint16_t dest[], double const src[12][16],
- int dest_w, int dest_h)
+ int destW, int destH)
{
/*
* Precalculate and cache the x sampling locations and phases to
* save recomputing them on every row.
*/
- assert(dest_w > 1 && dest_h > 1 && dest_w <= 64);
- int x_lo[64], x_hi[64];
+ assert(destW > 1 && destH > 1 && destW <= 64);
+ int xLo[64], xHi[64];
double xf[64];
- double x = -0.5, x_inc = 16.0 / (dest_w - 1);
- for (int i = 0; i < dest_w; i++, x += x_inc) {
- x_lo[i] = floor(x);
- xf[i] = x - x_lo[i];
- x_hi[i] = x_lo[i] < 15 ? x_lo[i] + 1 : 15;
- x_lo[i] = x_lo[i] > 0 ? x_lo[i] : 0;
+ double x = -0.5, xInc = 16.0 / (destW - 1);
+ for (int i = 0; i < destW; i++, x += xInc) {
+ xLo[i] = floor(x);
+ xf[i] = x - xLo[i];
+ xHi[i] = xLo[i] < 15 ? xLo[i] + 1 : 15;
+ xLo[i] = xLo[i] > 0 ? xLo[i] : 0;
}
/* Now march over the output table generating the new values. */
- double y = -0.5, y_inc = 12.0 / (dest_h - 1);
- for (int j = 0; j < dest_h; j++, y += y_inc) {
- int y_lo = floor(y);
- double yf = y - y_lo;
- int y_hi = y_lo < 11 ? y_lo + 1 : 11;
- y_lo = y_lo > 0 ? y_lo : 0;
- double const *row_above = src[y_lo];
- double const *row_below = src[y_hi];
- for (int i = 0; i < dest_w; i++) {
- double above = row_above[x_lo[i]] * (1 - xf[i])
- + row_above[x_hi[i]] * xf[i];
- double below = row_below[x_lo[i]] * (1 - xf[i])
- + row_below[x_hi[i]] * xf[i];
+ double y = -0.5, yInc = 12.0 / (destH - 1);
+ for (int j = 0; j < destH; j++, y += yInc) {
+ int yLo = floor(y);
+ double yf = y - yLo;
+ int yHi = yLo < 11 ? yLo + 1 : 11;
+ yLo = yLo > 0 ? yLo : 0;
+ double const *rowAbove = src[yLo];
+ double const *rowBelow = src[yHi];
+ for (int i = 0; i < destW; i++) {
+ double above = rowAbove[xLo[i]] * (1 - xf[i]) + rowAbove[xHi[i]] * xf[i];
+ double below = rowBelow[xLo[i]] * (1 - xf[i]) + rowBelow[xHi[i]] * xf[i];
int result = floor(1024 * (above * (1 - yf) + below * yf) + .5);
*(dest++) = result > 16383 ? 16383 : result; /* want u4.10 */
}
@@ -1133,7 +1137,6 @@ void IPARPi::resampleTable(uint16_t dest[], double const src[12][16],
/*
* External IPA module interface
*/
-
extern "C" {
const struct IPAModuleInfo ipaModuleInfo = {
IPA_MODULE_API_VERSION,
diff --git a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp
index d99a954d..d2bee150 100644
--- a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp
+++ b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp
@@ -1138,7 +1138,7 @@ int RPiCameraData::configureIPA(const CameraConfiguration *config)
/* Allocate the lens shading table via dmaHeap and pass to the IPA. */
if (!lsTable_.isValid()) {
- lsTable_ = dmaHeap_.alloc("ls_grid", MAX_LS_GRID_SIZE);
+ lsTable_ = dmaHeap_.alloc("ls_grid", RPi::MaxLsGridSize);
if (!lsTable_.isValid())
return -ENOMEM;
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-01 10:59:36 +0000