From f995ff25a3326db90513d1fa936815653f7cade0 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Mon, 11 Jul 2022 01:09:09 +0300 Subject: libcamera: controls: Avoid double lookups Now that the ControlList::get() function returns an instance of std::optional<>, we can replace the ControlList::contains() calls with a nullopt check on the return value of get(). This avoids double lookups of controls through the code base. Signed-off-by: Laurent Pinchart Reviewed-by: Jacopo Mondi Reviewed-by: Umang Jain --- src/libcamera/pipeline/ipu3/ipu3.cpp | 25 +++++++++++----------- src/libcamera/pipeline/raspberrypi/raspberrypi.cpp | 14 ++++++------ 2 files changed, 19 insertions(+), 20 deletions(-) (limited to 'src/libcamera/pipeline') diff --git a/src/libcamera/pipeline/ipu3/ipu3.cpp b/src/libcamera/pipeline/ipu3/ipu3.cpp index 43db7b68..d60f20b0 100644 --- a/src/libcamera/pipeline/ipu3/ipu3.cpp +++ b/src/libcamera/pipeline/ipu3/ipu3.cpp @@ -1143,18 +1143,17 @@ int PipelineHandlerIPU3::registerCameras() &IPU3CameraData::frameStart); /* Convert the sensor rotation to a transformation */ - int32_t rotation = 0; - if (data->properties_.contains(properties::Rotation)) - rotation = *(data->properties_.get(properties::Rotation)); - else + const auto &rotation = data->properties_.get(properties::Rotation); + if (!rotation) LOG(IPU3, Warning) << "Rotation control not exposed by " << cio2->sensor()->id() << ". Assume rotation 0"; + int32_t rotationValue = rotation.value_or(0); bool success; - data->rotationTransform_ = transformFromRotation(rotation, &success); + data->rotationTransform_ = transformFromRotation(rotationValue, &success); if (!success) - LOG(IPU3, Warning) << "Invalid rotation of " << rotation + LOG(IPU3, Warning) << "Invalid rotation of " << rotationValue << " degrees: ignoring"; ControlList ctrls = cio2->sensor()->getControls({ V4L2_CID_HFLIP }); @@ -1330,8 +1329,9 @@ void IPU3CameraData::imguOutputBufferReady(FrameBuffer *buffer) request->metadata().set(controls::draft::PipelineDepth, 3); /* \todo Actually apply the scaler crop region to the ImgU. */ - if (request->controls().contains(controls::ScalerCrop)) - cropRegion_ = *(request->controls().get(controls::ScalerCrop)); + const auto &scalerCrop = request->controls().get(controls::ScalerCrop); + if (scalerCrop) + cropRegion_ = *scalerCrop; request->metadata().set(controls::ScalerCrop, cropRegion_); if (frameInfos_.tryComplete(info)) @@ -1455,13 +1455,12 @@ void IPU3CameraData::frameStart(uint32_t sequence) Request *request = processingRequests_.front(); processingRequests_.pop(); - if (!request->controls().contains(controls::draft::TestPatternMode)) + const auto &testPatternMode = request->controls().get(controls::draft::TestPatternMode); + if (!testPatternMode) return; - const int32_t testPatternMode = *(request->controls().get(controls::draft::TestPatternMode)); - int ret = cio2_.sensor()->setTestPatternMode( - static_cast(testPatternMode)); + static_cast(*testPatternMode)); if (ret) { LOG(IPU3, Error) << "Failed to set test pattern mode: " << ret; @@ -1469,7 +1468,7 @@ void IPU3CameraData::frameStart(uint32_t sequence) } request->metadata().set(controls::draft::TestPatternMode, - testPatternMode); + *testPatternMode); } REGISTER_PIPELINE_HANDLER(PipelineHandlerIPU3) diff --git a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp index b5322483..c130260f 100644 --- a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp +++ b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp @@ -1717,16 +1717,15 @@ void RPiCameraData::statsMetadataComplete(uint32_t bufferId, const ControlList & * Inform the sensor of the latest colour gains if it has the * V4L2_CID_NOTIFY_GAINS control (which means notifyGainsUnity_ is set). */ - if (notifyGainsUnity_ && controls.contains(libcamera::controls::ColourGains)) { - libcamera::Span colourGains = - *controls.get(libcamera::controls::ColourGains); + const auto &colourGains = controls.get(libcamera::controls::ColourGains); + if (notifyGainsUnity_ && colourGains) { /* The control wants linear gains in the order B, Gb, Gr, R. */ ControlList ctrls(sensor_->controls()); std::array gains{ - static_cast(colourGains[1] * *notifyGainsUnity_), + static_cast((*colourGains)[1] * *notifyGainsUnity_), *notifyGainsUnity_, *notifyGainsUnity_, - static_cast(colourGains[0] * *notifyGainsUnity_) + static_cast((*colourGains)[0] * *notifyGainsUnity_) }; ctrls.set(V4L2_CID_NOTIFY_GAINS, Span{ gains }); @@ -2053,8 +2052,9 @@ Rectangle RPiCameraData::scaleIspCrop(const Rectangle &ispCrop) const void RPiCameraData::applyScalerCrop(const ControlList &controls) { - if (controls.contains(controls::ScalerCrop)) { - Rectangle nativeCrop = *controls.get(controls::ScalerCrop); + const auto &scalerCrop = controls.get(controls::ScalerCrop); + if (scalerCrop) { + Rectangle nativeCrop = *scalerCrop; if (!nativeCrop.width || !nativeCrop.height) nativeCrop = { 0, 0, 1, 1 }; -- cgit v1.2.1