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-rw-r--r--src/ipa/rpi/controller/rpi/ccm.cpp59
-rw-r--r--src/ipa/rpi/controller/rpi/ccm.h35
2 files changed, 22 insertions, 72 deletions
diff --git a/src/ipa/rpi/controller/rpi/ccm.cpp b/src/ipa/rpi/controller/rpi/ccm.cpp
index 7f63f3fd..8607f152 100644
--- a/src/ipa/rpi/controller/rpi/ccm.cpp
+++ b/src/ipa/rpi/controller/rpi/ccm.cpp
@@ -29,34 +29,7 @@ LOG_DEFINE_CATEGORY(RPiCcm)
#define NAME "rpi.ccm"
-Matrix3x3::Matrix3x3()
-{
- memset(m, 0, sizeof(m));
-}
-Matrix3x3::Matrix3x3(double m0, double m1, double m2, double m3, double m4, double m5,
- double m6, double m7, double m8)
-{
- m[0][0] = m0, m[0][1] = m1, m[0][2] = m2, m[1][0] = m3, m[1][1] = m4,
- m[1][2] = m5, m[2][0] = m6, m[2][1] = m7, m[2][2] = m8;
-}
-int Matrix3x3::read(const libcamera::YamlObject &params)
-{
- double *ptr = (double *)m;
-
- if (params.size() != 9) {
- LOG(RPiCcm, Error) << "Wrong number of values in CCM";
- return -EINVAL;
- }
-
- for (const auto &param : params.asList()) {
- auto value = param.get<double>();
- if (!value)
- return -EINVAL;
- *ptr++ = *value;
- }
-
- return 0;
-}
+using Matrix3x3 = Matrix<double, 3, 3>;
Ccm::Ccm(Controller *controller)
: CcmAlgorithm(controller), saturation_(1.0) {}
@@ -68,8 +41,6 @@ char const *Ccm::name() const
int Ccm::read(const libcamera::YamlObject &params)
{
- int ret;
-
if (params.contains("saturation")) {
config_.saturation = params["saturation"].get<ipa::Pwl>(ipa::Pwl{});
if (config_.saturation.empty())
@@ -83,9 +54,12 @@ int Ccm::read(const libcamera::YamlObject &params)
CtCcm ctCcm;
ctCcm.ct = *value;
- ret = ctCcm.ccm.read(p["ccm"]);
- if (ret)
- return ret;
+
+ auto ccm = p["ccm"].get<Matrix3x3>();
+ if (!ccm)
+ return -EINVAL;
+
+ ctCcm.ccm = *ccm;
if (!config_.ccms.empty() && ctCcm.ct <= config_.ccms.back().ct) {
LOG(RPiCcm, Error)
@@ -143,11 +117,18 @@ Matrix3x3 calculateCcm(std::vector<CtCcm> const &ccms, double ct)
Matrix3x3 applySaturation(Matrix3x3 const &ccm, double saturation)
{
- Matrix3x3 RGB2Y(0.299, 0.587, 0.114, -0.169, -0.331, 0.500, 0.500, -0.419,
- -0.081);
- Matrix3x3 Y2RGB(1.000, 0.000, 1.402, 1.000, -0.345, -0.714, 1.000, 1.771,
- 0.000);
- Matrix3x3 S(1, 0, 0, 0, saturation, 0, 0, 0, saturation);
+ static const Matrix3x3 RGB2Y({ 0.299, 0.587, 0.114,
+ -0.169, -0.331, 0.500,
+ 0.500, -0.419, -0.081 });
+
+ static const Matrix3x3 Y2RGB({ 1.000, 0.000, 1.402,
+ 1.000, -0.345, -0.714,
+ 1.000, 1.771, 0.000 });
+
+ Matrix3x3 S({ 1, 0, 0,
+ 0, saturation, 0,
+ 0, 0, saturation });
+
return Y2RGB * S * RGB2Y * ccm;
}
@@ -181,7 +162,7 @@ void Ccm::prepare(Metadata *imageMetadata)
for (int j = 0; j < 3; j++)
for (int i = 0; i < 3; i++)
ccmStatus.matrix[j * 3 + i] =
- std::max(-8.0, std::min(7.9999, ccm.m[j][i]));
+ std::max(-8.0, std::min(7.9999, ccm[j][i]));
LOG(RPiCcm, Debug)
<< "colour temperature " << awb.temperatureK << "K";
LOG(RPiCcm, Debug)
diff --git a/src/ipa/rpi/controller/rpi/ccm.h b/src/ipa/rpi/controller/rpi/ccm.h
index 8e7f9616..c05dbb17 100644
--- a/src/ipa/rpi/controller/rpi/ccm.h
+++ b/src/ipa/rpi/controller/rpi/ccm.h
@@ -8,6 +8,7 @@
#include <vector>
+#include "libcamera/internal/matrix.h"
#include <libipa/pwl.h>
#include "../ccm_algorithm.h"
@@ -16,41 +17,9 @@ namespace RPiController {
/* Algorithm to calculate colour matrix. Should be placed after AWB. */
-struct Matrix3x3 {
- Matrix3x3(double m0, double m1, double m2, double m3, double m4, double m5,
- double m6, double m7, double m8);
- Matrix3x3();
- double m[3][3];
- int read(const libcamera::YamlObject &params);
-};
-static inline Matrix3x3 operator*(double d, Matrix3x3 const &m)
-{
- return Matrix3x3(m.m[0][0] * d, m.m[0][1] * d, m.m[0][2] * d,
- m.m[1][0] * d, m.m[1][1] * d, m.m[1][2] * d,
- m.m[2][0] * d, m.m[2][1] * d, m.m[2][2] * d);
-}
-static inline Matrix3x3 operator*(Matrix3x3 const &m1, Matrix3x3 const &m2)
-{
- Matrix3x3 m;
- for (int i = 0; i < 3; i++)
- for (int j = 0; j < 3; j++)
- m.m[i][j] = m1.m[i][0] * m2.m[0][j] +
- m1.m[i][1] * m2.m[1][j] +
- m1.m[i][2] * m2.m[2][j];
- return m;
-}
-static inline Matrix3x3 operator+(Matrix3x3 const &m1, Matrix3x3 const &m2)
-{
- Matrix3x3 m;
- for (int i = 0; i < 3; i++)
- for (int j = 0; j < 3; j++)
- m.m[i][j] = m1.m[i][j] + m2.m[i][j];
- return m;
-}
-
struct CtCcm {
double ct;
- Matrix3x3 ccm;
+ libcamera::Matrix<double, 3, 3> ccm;
};
struct CcmConfig {