diff options
Diffstat (limited to 'src/ipa/rkisp1/algorithms/awb.cpp')
-rw-r--r-- | src/ipa/rkisp1/algorithms/awb.cpp | 86 |
1 files changed, 43 insertions, 43 deletions
diff --git a/src/ipa/rkisp1/algorithms/awb.cpp b/src/ipa/rkisp1/algorithms/awb.cpp index 083c2d98..744f4a38 100644 --- a/src/ipa/rkisp1/algorithms/awb.cpp +++ b/src/ipa/rkisp1/algorithms/awb.cpp @@ -67,20 +67,41 @@ int Awb::configure(IPAContext &context, return 0; } -uint32_t Awb::estimateCCT(double red, double green, double blue) +/** + * \copydoc libcamera::ipa::Algorithm::queueRequest + */ +void Awb::queueRequest(IPAContext &context, + [[maybe_unused]] const uint32_t frame, + IPAFrameContext &frameContext, + const ControlList &controls) { - /* Convert the RGB values to CIE tristimulus values (XYZ) */ - double X = (-0.14282) * (red) + (1.54924) * (green) + (-0.95641) * (blue); - double Y = (-0.32466) * (red) + (1.57837) * (green) + (-0.73191) * (blue); - double Z = (-0.68202) * (red) + (0.77073) * (green) + (0.56332) * (blue); + auto &awb = context.activeState.awb; - /* Calculate the normalized chromaticity values */ - double x = X / (X + Y + Z); - double y = Y / (X + Y + Z); + const auto &awbEnable = controls.get(controls::AwbEnable); + if (awbEnable && *awbEnable != awb.autoEnabled) { + awb.autoEnabled = *awbEnable; - /* Calculate CCT */ - double n = (x - 0.3320) / (0.1858 - y); - return 449 * n * n * n + 3525 * n * n + 6823.3 * n + 5520.33; + LOG(RkISP1Awb, Debug) + << (*awbEnable ? "Enabling" : "Disabling") << " AWB"; + } + + const auto &colourGains = controls.get(controls::ColourGains); + if (colourGains && !awb.autoEnabled) { + awb.gains.manual.red = (*colourGains)[0]; + awb.gains.manual.blue = (*colourGains)[1]; + + LOG(RkISP1Awb, Debug) + << "Set colour gains to red: " << awb.gains.manual.red + << ", blue: " << awb.gains.manual.blue; + } + + frameContext.awb.autoEnabled = awb.autoEnabled; + + if (!awb.autoEnabled) { + frameContext.awb.gains.red = awb.gains.manual.red; + frameContext.awb.gains.green = 1.0; + frameContext.awb.gains.blue = awb.gains.manual.blue; + } } /** @@ -165,41 +186,20 @@ void Awb::prepare(IPAContext &context, const uint32_t frame, params->module_ens |= RKISP1_CIF_ISP_MODULE_AWB; } -/** - * \copydoc libcamera::ipa::Algorithm::queueRequest - */ -void Awb::queueRequest(IPAContext &context, - [[maybe_unused]] const uint32_t frame, - IPAFrameContext &frameContext, - const ControlList &controls) +uint32_t Awb::estimateCCT(double red, double green, double blue) { - auto &awb = context.activeState.awb; - - const auto &awbEnable = controls.get(controls::AwbEnable); - if (awbEnable && *awbEnable != awb.autoEnabled) { - awb.autoEnabled = *awbEnable; - - LOG(RkISP1Awb, Debug) - << (*awbEnable ? "Enabling" : "Disabling") << " AWB"; - } - - const auto &colourGains = controls.get(controls::ColourGains); - if (colourGains && !awb.autoEnabled) { - awb.gains.manual.red = (*colourGains)[0]; - awb.gains.manual.blue = (*colourGains)[1]; - - LOG(RkISP1Awb, Debug) - << "Set colour gains to red: " << awb.gains.manual.red - << ", blue: " << awb.gains.manual.blue; - } + /* Convert the RGB values to CIE tristimulus values (XYZ) */ + double X = (-0.14282) * (red) + (1.54924) * (green) + (-0.95641) * (blue); + double Y = (-0.32466) * (red) + (1.57837) * (green) + (-0.73191) * (blue); + double Z = (-0.68202) * (red) + (0.77073) * (green) + (0.56332) * (blue); - frameContext.awb.autoEnabled = awb.autoEnabled; + /* Calculate the normalized chromaticity values */ + double x = X / (X + Y + Z); + double y = Y / (X + Y + Z); - if (!awb.autoEnabled) { - frameContext.awb.gains.red = awb.gains.manual.red; - frameContext.awb.gains.green = 1.0; - frameContext.awb.gains.blue = awb.gains.manual.blue; - } + /* Calculate CCT */ + double n = (x - 0.3320) / (0.1858 - y); + return 449 * n * n * n + 3525 * n * n + 6823.3 * n + 5520.33; } /** |