diff options
Diffstat (limited to 'src/ipa/rkisp1/algorithms/agc.cpp')
| -rw-r--r-- | src/ipa/rkisp1/algorithms/agc.cpp | 63 |
1 files changed, 56 insertions, 7 deletions
diff --git a/src/ipa/rkisp1/algorithms/agc.cpp b/src/ipa/rkisp1/algorithms/agc.cpp index dba58c90..322e837d 100644 --- a/src/ipa/rkisp1/algorithms/agc.cpp +++ b/src/ipa/rkisp1/algorithms/agc.cpp @@ -74,9 +74,14 @@ Agc::Agc() int Agc::configure(IPAContext &context, const IPACameraSensorInfo &configInfo) { /* Configure the default exposure and gain. */ - context.activeState.agc.gain = std::max(context.configuration.sensor.minAnalogueGain, - kMinAnalogueGain); - context.activeState.agc.exposure = 10ms / context.configuration.sensor.lineDuration; + context.activeState.agc.automatic.gain = + std::max(context.configuration.sensor.minAnalogueGain, + kMinAnalogueGain); + context.activeState.agc.automatic.exposure = + 10ms / context.configuration.sensor.lineDuration; + context.activeState.agc.manual.gain = context.activeState.agc.automatic.gain; + context.activeState.agc.manual.exposure = context.activeState.agc.automatic.exposure; + context.activeState.agc.autoEnabled = true; /* * According to the RkISP1 documentation: @@ -109,13 +114,57 @@ int Agc::configure(IPAContext &context, const IPACameraSensorInfo &configInfo) } /** + * \copydoc libcamera::ipa::Algorithm::queueRequest + */ +void Agc::queueRequest(IPAContext &context, + [[maybe_unused]] const uint32_t frame, + IPAFrameContext &frameContext, + const ControlList &controls) +{ + auto &agc = context.activeState.agc; + + const auto &agcEnable = controls.get(controls::AeEnable); + if (agcEnable && *agcEnable != agc.autoEnabled) { + agc.autoEnabled = *agcEnable; + + LOG(RkISP1Agc, Debug) + << (agc.autoEnabled ? "Enabling" : "Disabling") << " AGC"; + } + + const auto &exposure = controls.get(controls::ExposureTime); + if (exposure && !agc.autoEnabled) { + agc.manual.exposure = *exposure * 1.0us + / context.configuration.sensor.lineDuration; + + LOG(RkISP1Agc, Debug) + << "Set exposure to " << agc.manual.exposure; + } + + const auto &gain = controls.get(controls::AnalogueGain); + if (gain && !agc.autoEnabled) { + agc.manual.gain = *gain; + + LOG(RkISP1Agc, Debug) << "Set gain to " << agc.manual.gain; + } + + frameContext.agc.autoEnabled = agc.autoEnabled; + + if (!frameContext.agc.autoEnabled) { + frameContext.agc.exposure = agc.manual.exposure; + frameContext.agc.gain = agc.manual.gain; + } +} + +/** * \copydoc libcamera::ipa::Algorithm::prepare */ void Agc::prepare(IPAContext &context, const uint32_t frame, IPAFrameContext &frameContext, rkisp1_params_cfg *params) { - frameContext.agc.exposure = context.activeState.agc.exposure; - frameContext.agc.gain = context.activeState.agc.gain; + if (frameContext.agc.autoEnabled) { + frameContext.agc.exposure = context.activeState.agc.automatic.exposure; + frameContext.agc.gain = context.activeState.agc.automatic.gain; + } if (frame > 0) return; @@ -263,8 +312,8 @@ void Agc::computeExposure(IPAContext &context, IPAFrameContext &frameContext, << stepGain; /* Update the estimated exposure and gain. */ - activeState.agc.exposure = shutterTime / configuration.sensor.lineDuration; - activeState.agc.gain = stepGain; + activeState.agc.automatic.exposure = shutterTime / configuration.sensor.lineDuration; + activeState.agc.automatic.gain = stepGain; } /** |