diff options
Diffstat (limited to 'src/ipa/ipu3/algorithms/agc.cpp')
| -rw-r--r-- | src/ipa/ipu3/algorithms/agc.cpp | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/src/ipa/ipu3/algorithms/agc.cpp b/src/ipa/ipu3/algorithms/agc.cpp index 7d4b3503..fdeec09d 100644 --- a/src/ipa/ipu3/algorithms/agc.cpp +++ b/src/ipa/ipu3/algorithms/agc.cpp @@ -87,7 +87,7 @@ int Agc::configure(IPAContext &context, [[maybe_unused]] const IPAConfigInfo &configInfo) { const IPASessionConfiguration &configuration = context.configuration; - IPAFrameContext &frameContext = context.frameContext; + IPAActiveState &activeState = context.activeState; stride_ = configuration.grid.stride; @@ -99,8 +99,8 @@ int Agc::configure(IPAContext &context, maxAnalogueGain_ = std::min(configuration.agc.maxAnalogueGain, kMaxAnalogueGain); /* Configure the default exposure and gain. */ - frameContext.agc.gain = std::max(minAnalogueGain_, kMinAnalogueGain); - frameContext.agc.exposure = 10ms / configuration.sensor.lineDuration; + activeState.agc.gain = std::max(minAnalogueGain_, kMinAnalogueGain); + activeState.agc.exposure = 10ms / configuration.sensor.lineDuration; frameCount_ = 0; return 0; @@ -249,9 +249,10 @@ void Agc::computeExposure(IPAContext &context, double yGain, << shutterTime << " and " << stepGain; + IPAActiveState &activeState = context.activeState; /* Update the estimated exposure and gain. */ - frameContext.agc.exposure = shutterTime / configuration.sensor.lineDuration; - frameContext.agc.gain = stepGain; + activeState.agc.exposure = shutterTime / configuration.sensor.lineDuration; + activeState.agc.gain = stepGain; } /** @@ -279,7 +280,7 @@ void Agc::computeExposure(IPAContext &context, double yGain, * More detailed information can be found in: * https://en.wikipedia.org/wiki/Relative_luminance */ -double Agc::estimateLuminance(IPAFrameContext &frameContext, +double Agc::estimateLuminance(IPAActiveState &activeState, const ipu3_uapi_grid_config &grid, const ipu3_uapi_stats_3a *stats, double gain) @@ -307,9 +308,9 @@ double Agc::estimateLuminance(IPAFrameContext &frameContext, * Apply the AWB gains to approximate colours correctly, use the Rec. * 601 formula to calculate the relative luminance, and normalize it. */ - double ySum = redSum * frameContext.awb.gains.red * 0.299 - + greenSum * frameContext.awb.gains.green * 0.587 - + blueSum * frameContext.awb.gains.blue * 0.114; + double ySum = redSum * activeState.awb.gains.red * 0.299 + + greenSum * activeState.awb.gains.green * 0.587 + + blueSum * activeState.awb.gains.blue * 0.114; return ySum / (grid.height * grid.width) / 255; } @@ -344,7 +345,7 @@ void Agc::process(IPAContext &context, const ipu3_uapi_stats_3a *stats) double yTarget = kRelativeLuminanceTarget; for (unsigned int i = 0; i < 8; i++) { - double yValue = estimateLuminance(context.frameContext, + double yValue = estimateLuminance(context.activeState, context.configuration.grid.bdsGrid, stats, yGain); double extraGain = std::min(10.0, yTarget / (yValue + .001)); |