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-rw-r--r--src/ipa/raspberrypi/controller/rpi/alsc.cpp13
1 files changed, 12 insertions, 1 deletions
diff --git a/src/ipa/raspberrypi/controller/rpi/alsc.cpp b/src/ipa/raspberrypi/controller/rpi/alsc.cpp
index 0d0e0b0c..f610de25 100644
--- a/src/ipa/raspberrypi/controller/rpi/alsc.cpp
+++ b/src/ipa/raspberrypi/controller/rpi/alsc.cpp
@@ -184,7 +184,10 @@ void Alsc::waitForAysncThread()
static bool compare_modes(CameraMode const &cm0, CameraMode const &cm1)
{
- // Return true if the modes crop from the sensor significantly differently.
+ // Return true if the modes crop from the sensor significantly differently,
+ // or if the user transform has changed.
+ if (cm0.transform != cm1.transform)
+ return true;
int left_diff = abs(cm0.crop_x - cm1.crop_x);
int top_diff = abs(cm0.crop_y - cm1.crop_y);
int right_diff = fabs(cm0.crop_x + cm0.scale_x * cm0.width -
@@ -428,6 +431,10 @@ void resample_cal_table(double const cal_table_in[XY],
xf[i] = x - x_lo[i];
x_hi[i] = std::min(x_lo[i] + 1, X - 1);
x_lo[i] = std::max(x_lo[i], 0);
+ if (!!(camera_mode.transform & libcamera::Transform::HFlip)) {
+ x_lo[i] = X - 1 - x_lo[i];
+ x_hi[i] = X - 1 - x_hi[i];
+ }
}
// Now march over the output table generating the new values.
double scale_y = camera_mode.sensor_height /
@@ -440,6 +447,10 @@ void resample_cal_table(double const cal_table_in[XY],
double yf = y - y_lo;
int y_hi = std::min(y_lo + 1, Y - 1);
y_lo = std::max(y_lo, 0);
+ if (!!(camera_mode.transform & libcamera::Transform::VFlip)) {
+ y_lo = Y - 1 - y_lo;
+ y_hi = Y - 1 - y_hi;
+ }
double const *row_above = cal_table_in + X * y_lo;
double const *row_below = cal_table_in + X * y_hi;
for (int i = 0; i < X; i++) {