[PATCH 05/10] mali-c55: Plumb the IPA module in
Dan Scally
dan.scally at ideasonboard.com
Thu Jun 13 16:09:21 CEST 2024
Hi Jacopo
On 13/06/2024 14:25, Daniel Scally wrote:
> From: Jacopo Mondi <jacopo.mondi at ideasonboard.com>
>
> Plumb the Pipeline-IPA loop in.
>
> Load the IPA module at camera creation time and create the loop between
> the pipeline and the IPA.
>
> When a new Request is queued the IPA is asked to prepare the parameters
> buffer, once ready it notifies the pipeline which queues the parameters
> to the ISP along with a buffer for statistics and frames,
>
> Once statistics are ready they get passed to the IPA which upates its
> settings for the next frame.
>
> Acked-by: Nayden Kanchev <nayden.kanchev at arm.com>
> Signed-off-by: Jacopo Mondi <jacopo.mondi at ideasonboard.com>
> ---
I just realised I should have squashed the patch that skips the IPA if the camera in use is the TPG
into this one when I collected everything; sorry about that. I've done that now in my tree ready
for the v2.
> src/libcamera/pipeline/mali-c55/mali-c55.cpp | 353 +++++++++++++++++--
> 1 file changed, 314 insertions(+), 39 deletions(-)
>
> diff --git a/src/libcamera/pipeline/mali-c55/mali-c55.cpp b/src/libcamera/pipeline/mali-c55/mali-c55.cpp
> index b9be1207..871674cb 100644
> --- a/src/libcamera/pipeline/mali-c55/mali-c55.cpp
> +++ b/src/libcamera/pipeline/mali-c55/mali-c55.cpp
> @@ -23,13 +23,19 @@
> #include <libcamera/geometry.h>
> #include <libcamera/stream.h>
>
> +#include <libcamera/ipa/mali-c55_ipa_interface.h>
> +#include <libcamera/ipa/mali-c55_ipa_proxy.h>
> +
> #include "libcamera/internal/bayer_format.h"
> #include "libcamera/internal/camera.h"
> #include "libcamera/internal/camera_sensor.h"
> +#include "libcamera/internal/delayed_controls.h"
> #include "libcamera/internal/device_enumerator.h"
> #include "libcamera/internal/framebuffer.h"
> +#include "libcamera/internal/ipa_manager.h"
> #include "libcamera/internal/media_device.h"
> #include "libcamera/internal/pipeline_handler.h"
> +#include "libcamera/internal/request.h"
> #include "libcamera/internal/v4l2_subdevice.h"
> #include "libcamera/internal/v4l2_videodevice.h"
>
> @@ -85,6 +91,16 @@ constexpr Size kMaliC55MinSize = { 128, 128 };
> constexpr Size kMaliC55MaxSize = { 8192, 8192 };
> constexpr unsigned int kMaliC55ISPInternalFormat = MEDIA_BUS_FMT_RGB121212_1X36;
>
> +struct MaliC55FrameInfo {
> + Request *request;
> +
> + FrameBuffer *paramBuffer;
> + FrameBuffer *statBuffer;
> +
> + bool paramsDone;
> + bool statsDone;
> +};
> +
> class MaliC55CameraData : public Camera::Private
> {
> public:
> @@ -94,6 +110,7 @@ public:
> }
>
> int init();
> + int loadIPA();
>
> /* Deflect these functionalities to either TPG or CameraSensor. */
> const std::vector<unsigned int> mbusCodes() const;
> @@ -102,7 +119,7 @@ public:
>
> PixelFormat bestRawFormat() const;
>
> - void updateControls();
> + void updateControls(const ControlInfoMap &ipaControls);
>
> PixelFormat adjustRawFormat(const PixelFormat &pixFmt) const;
> Size adjustRawSizes(const PixelFormat &pixFmt, const Size &rawSize) const;
> @@ -115,8 +132,15 @@ public:
> Stream frStream_;
> Stream dsStream_;
>
> + std::unique_ptr<ipa::mali_c55::IPAProxyMaliC55> ipa_;
> + std::vector<IPABuffer> ipaStatBuffers_;
> + std::vector<IPABuffer> ipaParamBuffers_;
> +
> + std::unique_ptr<DelayedControls> delayedCtrls_;
> +
> private:
> void initTPGData();
> + void setSensorControls(const ControlList &sensorControls);
>
> std::string id_;
> std::vector<unsigned int> tpgCodes_;
> @@ -181,6 +205,11 @@ void MaliC55CameraData::initTPGData()
> tpgResolution_ = tpgSizes_.back();
> }
>
> +void MaliC55CameraData::setSensorControls(const ControlList &sensorControls)
> +{
> + delayedCtrls_->push(sensorControls);
> +}
> +
> const std::vector<unsigned int> MaliC55CameraData::mbusCodes() const
> {
> if (sensor_)
> @@ -249,7 +278,7 @@ PixelFormat MaliC55CameraData::bestRawFormat() const
> return rawFormat;
> }
>
> -void MaliC55CameraData::updateControls()
> +void MaliC55CameraData::updateControls(const ControlInfoMap &ipaControls)
> {
> if (!sensor_)
> return;
> @@ -267,6 +296,9 @@ void MaliC55CameraData::updateControls()
> ControlInfo(ispMinCrop, sensorInfo.analogCrop,
> sensorInfo.analogCrop);
>
> + for (auto const &c : ipaControls)
> + controls.emplace(c.first, c.second);
> +
> controlInfo_ = ControlInfoMap(std::move(controls), controls::controls);
> }
>
> @@ -321,6 +353,46 @@ Size MaliC55CameraData::adjustRawSizes(const PixelFormat &rawFmt, const Size &ra
> return bestSize;
> }
>
> +int MaliC55CameraData::loadIPA()
> +{
> + int ret;
> +
> + ipa_ = IPAManager::createIPA<ipa::mali_c55::IPAProxyMaliC55>(pipe(), 1, 1);
> + if (!ipa_)
> + return -ENOENT;
> +
> + ipa_->setSensorControls.connect(this, &MaliC55CameraData::setSensorControls);
> +
> + /* Do not initialize IPA for TPG. */
> + if (!sensor_)
> + return 0;
> +
> + std::string ipaTuningFile = ipa_->configurationFile(sensor_->model() + ".yaml");
> + if (ipaTuningFile.empty())
> + ipaTuningFile = ipa_->configurationFile("uncalibrated.yaml");
> +
> + /* We need to inform the IPA of the sensor configuration */
> + ipa::mali_c55::IPAConfigInfo ipaConfig{};
> +
> + ret = sensor_->sensorInfo(&ipaConfig.sensorInfo);
> + if (ret)
> + return ret;
> +
> + ipaConfig.sensorControls = sensor_->controls();
> +
> + ControlInfoMap ipaControls;
> + ret = ipa_->init({ ipaTuningFile, sensor_->model() }, ipaConfig,
> + &ipaControls);
> + if (ret) {
> + LOG(MaliC55, Error) << "Failed to initialise the Mali-C55 IPA";
> + return ret;
> + }
> +
> + updateControls(ipaControls);
> +
> + return 0;
> +}
> +
> class MaliC55CameraConfiguration : public CameraConfiguration
> {
> public:
> @@ -330,6 +402,7 @@ public:
> }
>
> Status validate() override;
> + const Transform &combinedTransform() { return combinedTransform_; }
>
> V4L2SubdeviceFormat sensorFormat_;
>
> @@ -337,6 +410,7 @@ private:
> static constexpr unsigned int kMaxStreams = 2;
>
> const MaliC55CameraData *data_;
> + Transform combinedTransform_;
> };
>
> CameraConfiguration::Status MaliC55CameraConfiguration::validate()
> @@ -346,6 +420,11 @@ CameraConfiguration::Status MaliC55CameraConfiguration::validate()
> if (config_.empty())
> return Invalid;
>
> + Orientation requestedOrientation = orientation;
> + combinedTransform_ = data_->sensor_->computeTransform(&orientation);
> + if (orientation != requestedOrientation)
> + status = Adjusted;
> +
> /* Only 2 streams available. */
> if (config_.size() > kMaxStreams) {
> config_.resize(kMaxStreams);
> @@ -492,7 +571,10 @@ public:
> int queueRequestDevice(Camera *camera, Request *request) override;
>
> void bufferReady(FrameBuffer *buffer);
> + void paramsBufferReady(FrameBuffer *buffer);
> void statsBufferReady(FrameBuffer *buffer);
> + void paramsComputed(unsigned int requestId);
> + void statsProcessed(unsigned int requestId, const ControlList &metadata);
>
> bool match(DeviceEnumerator *enumerator) override;
>
> @@ -536,6 +618,10 @@ private:
> pipe.stream = nullptr;
> }
>
> + MaliC55FrameInfo *findFrameInfo(FrameBuffer *buffer);
> + MaliC55FrameInfo *findFrameInfo(Request *request);
> + void tryComplete(MaliC55FrameInfo *info);
> +
> int configureRawStream(MaliC55CameraData *data,
> const StreamConfiguration &config,
> V4L2SubdeviceFormat &subdevFormat);
> @@ -545,7 +631,7 @@ private:
>
> void applyScalerCrop(Camera *camera, const ControlList &controls);
>
> - void registerMaliCamera(std::unique_ptr<MaliC55CameraData> data,
> + bool registerMaliCamera(std::unique_ptr<MaliC55CameraData> data,
> const std::string &name);
> bool registerTPGCamera(MediaLink *link);
> bool registerSensorCamera(MediaLink *link);
> @@ -561,6 +647,8 @@ private:
> std::vector<std::unique_ptr<FrameBuffer>> paramsBuffers_;
> std::queue<FrameBuffer *> availableParamsBuffers_;
>
> + std::map<unsigned int, MaliC55FrameInfo> frameInfoMap_;
> +
> std::array<MaliC55Pipe, MaliC55NumPipes> pipes_;
>
> bool dsFitted_;
> @@ -806,6 +894,11 @@ int PipelineHandlerMaliC55::configure(Camera *camera,
> if (ret)
> return ret;
>
> + ret = data->sensor_->setFormat(&subdevFormat,
> + maliConfig->combinedTransform());
> + if (ret)
> + return ret;
> +
> if (data->csi_) {
> ret = data->csi_->setFormat(0, &subdevFormat);
> if (ret)
> @@ -876,7 +969,31 @@ int PipelineHandlerMaliC55::configure(Camera *camera,
> pipe->stream = stream;
> }
>
> - data->updateControls();
> + /* We need to inform the IPA of the sensor configuration */
> + ipa::mali_c55::IPAConfigInfo ipaConfig{};
> +
> + ret = data->sensor_->sensorInfo(&ipaConfig.sensorInfo);
> + if (ret)
> + return ret;
> +
> + ipaConfig.sensorControls = data->sensor_->controls();
> +
> + /*
> + * And we also need to tell the IPA the bayerOrder of the data (as
> + * affected by any flips that we've configured)
> + */
> + const Transform &combinedTransform = maliConfig->combinedTransform();
> + BayerFormat::Order bayerOrder = data->sensor_->bayerOrder(combinedTransform);
> +
> + ControlInfoMap ipaControls;
> + ret = data->ipa_->configure(ipaConfig, utils::to_underlying(bayerOrder),
> + &ipaControls);
> + if (ret) {
> + LOG(MaliC55, Error) << "Failed to configure IPA";
> + return ret;
> + }
> +
> + data->updateControls(ipaControls);
>
> return 0;
> }
> @@ -890,8 +1007,10 @@ int PipelineHandlerMaliC55::exportFrameBuffers(Camera *camera, Stream *stream,
> return pipe->cap->exportBuffers(count, buffers);
> }
>
> -void PipelineHandlerMaliC55::freeBuffers([[maybe_unused]] Camera *camera)
> +void PipelineHandlerMaliC55::freeBuffers(Camera *camera)
> {
> + MaliC55CameraData *data = cameraData(camera);
> +
> while (!availableStatsBuffers_.empty())
> availableStatsBuffers_.pop();
> while (!availableParamsBuffers_.empty())
> @@ -900,11 +1019,16 @@ void PipelineHandlerMaliC55::freeBuffers([[maybe_unused]] Camera *camera)
> statsBuffers_.clear();
> paramsBuffers_.clear();
>
> + data->ipa_->unmapBuffers(data->ipaStatBuffers_);
> + data->ipaStatBuffers_.clear();
> + data->ipa_->unmapBuffers(data->ipaParamBuffers_);
> + data->ipaParamBuffers_.clear();
> +
> if (stats_->releaseBuffers())
> LOG(MaliC55, Error) << "Failed to release stats buffers";
>
> if (params_->releaseBuffers())
> - LOG(MaliC55, Error) << "Failed to release stats buffers";
> + LOG(MaliC55, Error) << "Failed to release params buffers";
>
> return;
> }
> @@ -912,6 +1036,7 @@ void PipelineHandlerMaliC55::freeBuffers([[maybe_unused]] Camera *camera)
> int PipelineHandlerMaliC55::allocateBuffers(Camera *camera)
> {
> MaliC55CameraData *data = cameraData(camera);
> + unsigned int ipaBufferId = 1;
> unsigned int bufferCount;
> int ret;
>
> @@ -924,27 +1049,47 @@ int PipelineHandlerMaliC55::allocateBuffers(Camera *camera)
> if (ret < 0)
> return ret;
>
> - for (std::unique_ptr<FrameBuffer> &buffer : statsBuffers_)
> + for (std::unique_ptr<FrameBuffer> &buffer : statsBuffers_) {
> + buffer->setCookie(ipaBufferId++);
> + data->ipaStatBuffers_.emplace_back(buffer->cookie(),
> + buffer->planes());
> availableStatsBuffers_.push(buffer.get());
> + }
> +
> + data->ipa_->mapBuffers(data->ipaStatBuffers_, true);
>
> ret = params_->allocateBuffers(bufferCount, ¶msBuffers_);
> if (ret < 0)
> return ret;
>
> - for (std::unique_ptr<FrameBuffer> &buffer : paramsBuffers_)
> + for (std::unique_ptr<FrameBuffer> &buffer : paramsBuffers_) {
> + buffer->setCookie(ipaBufferId++);
> + data->ipaParamBuffers_.emplace_back(buffer->cookie(),
> + buffer->planes());
> availableParamsBuffers_.push(buffer.get());
> + }
> +
> + data->ipa_->mapBuffers(data->ipaParamBuffers_, false);
>
> return 0;
> }
>
> int PipelineHandlerMaliC55::start(Camera *camera, [[maybe_unused]] const ControlList *controls)
> {
> + MaliC55CameraData *data = cameraData(camera);
> int ret;
>
> ret = allocateBuffers(camera);
> if (ret)
> return ret;
>
> + ret = data->ipa_->start();
> + if (ret) {
> + LOG(MaliC55, Error) << "Failed to start IPA" << camera->id();
> + freeBuffers(camera);
> + return ret;
> + }
> +
> for (MaliC55Pipe &pipe : pipes_) {
> if (!pipe.stream)
> continue;
> @@ -954,6 +1099,7 @@ int PipelineHandlerMaliC55::start(Camera *camera, [[maybe_unused]] const Control
> ret = pipe.cap->importBuffers(stream->configuration().bufferCount);
> if (ret) {
> LOG(MaliC55, Error) << "Failed to import buffers";
> + data->ipa_->stop();
> freeBuffers(camera);
> return ret;
> }
> @@ -961,6 +1107,7 @@ int PipelineHandlerMaliC55::start(Camera *camera, [[maybe_unused]] const Control
> ret = pipe.cap->streamOn();
> if (ret) {
> LOG(MaliC55, Error) << "Failed to start stream";
> + data->ipa_->stop();
> freeBuffers(camera);
> return ret;
> }
> @@ -970,6 +1117,8 @@ int PipelineHandlerMaliC55::start(Camera *camera, [[maybe_unused]] const Control
> if (ret) {
> LOG(MaliC55, Error) << "Failed to start stats stream";
>
> + data->ipa_->stop();
> +
> for (MaliC55Pipe &pipe : pipes_) {
> if (pipe.stream)
> pipe.cap->streamOff();
> @@ -984,6 +1133,7 @@ int PipelineHandlerMaliC55::start(Camera *camera, [[maybe_unused]] const Control
> LOG(MaliC55, Error) << "Failed to start params stream";
>
> stats_->streamOff();
> + data->ipa_->stop();
>
> for (MaliC55Pipe &pipe : pipes_) {
> if (pipe.stream)
> @@ -994,11 +1144,19 @@ int PipelineHandlerMaliC55::start(Camera *camera, [[maybe_unused]] const Control
> return ret;
> }
>
> + ret = isp_->setFrameStartEnabled(true);
> + if (ret)
> + LOG(MaliC55, Error) << "Failed to enable frame start events";
> +
> return 0;
> }
>
> -void PipelineHandlerMaliC55::stopDevice([[maybe_unused]] Camera *camera)
> +void PipelineHandlerMaliC55::stopDevice(Camera *camera)
> {
> + MaliC55CameraData *data = cameraData(camera);
> +
> + isp_->setFrameStartEnabled(false);
> +
> for (MaliC55Pipe &pipe : pipes_) {
> if (!pipe.stream)
> continue;
> @@ -1009,6 +1167,7 @@ void PipelineHandlerMaliC55::stopDevice([[maybe_unused]] Camera *camera)
>
> stats_->streamOff();
> params_->streamOff();
> + data->ipa_->stop();
> freeBuffers(camera);
> }
>
> @@ -1112,30 +1271,16 @@ void PipelineHandlerMaliC55::applyScalerCrop(Camera *camera,
>
> int PipelineHandlerMaliC55::queueRequestDevice(Camera *camera, Request *request)
> {
> - FrameBuffer *statsBuffer;
> - int ret;
> + MaliC55CameraData *data = cameraData(camera);
>
> if (availableStatsBuffers_.empty()) {
> LOG(MaliC55, Error) << "Stats buffer underrun";
> return -ENOENT;
> }
>
> - statsBuffer = availableStatsBuffers_.front();
> - availableStatsBuffers_.pop();
> -
> - /*
> - * We need to associate the Request to this buffer even though it's a
> - * purely internal one because we will need to use request->sequence()
> - * later.
> - */
> - statsBuffer->_d()->setRequest(request);
> -
> - for (auto &[stream, buffer] : request->buffers()) {
> - MaliC55Pipe *pipe = pipeFromStream(cameraData(camera), stream);
> -
> - ret = pipe->cap->queueBuffer(buffer);
> - if (ret)
> - return ret;
> + if (availableParamsBuffers_.empty()) {
> + LOG(MaliC55, Error) << "Params buffer underrun";
> + return -ENOENT;
> }
>
> /*
> @@ -1147,29 +1292,143 @@ int PipelineHandlerMaliC55::queueRequestDevice(Camera *camera, Request *request)
> */
> applyScalerCrop(camera, request->controls());
>
> - ret = stats_->queueBuffer(statsBuffer);
> - if (ret)
> - return ret;
> + MaliC55FrameInfo frameInfo;
> + frameInfo.request = request;
> +
> + frameInfo.statBuffer = availableStatsBuffers_.front();
> + availableStatsBuffers_.pop();
> + frameInfo.paramBuffer = availableParamsBuffers_.front();
> + availableParamsBuffers_.pop();
> +
> + frameInfo.paramsDone = false;
> + frameInfo.statsDone = false;
> +
> + frameInfoMap_[request->sequence()] = frameInfo;
> +
> + data->ipa_->queueRequest(request->sequence(), request->controls());
> + data->ipa_->fillParams(request->sequence(),
> + frameInfo.paramBuffer->cookie());
>
> return 0;
> }
>
> +MaliC55FrameInfo *PipelineHandlerMaliC55::findFrameInfo(Request *request)
> +{
> + for (auto &[sequence, info] : frameInfoMap_) {
> + if (info.request == request)
> + return &info;
> + }
> +
> + return nullptr;
> +}
> +
> +MaliC55FrameInfo *PipelineHandlerMaliC55::findFrameInfo(FrameBuffer *buffer)
> +{
> + for (auto &[sequence, info] : frameInfoMap_) {
> + if (info.paramBuffer == buffer ||
> + info.statBuffer == buffer)
> + return &info;
> + }
> +
> + return nullptr;
> +}
> +
> +void PipelineHandlerMaliC55::tryComplete(MaliC55FrameInfo *info)
> +{
> + if (!info->paramsDone)
> + return;
> + if (!info->statsDone)
> + return;
> +
> + Request *request = info->request;
> + if (request->hasPendingBuffers())
> + return;
> +
> + availableStatsBuffers_.push(info->statBuffer);
> + availableParamsBuffers_.push(info->paramBuffer);
> +
> + frameInfoMap_.erase(request->sequence());
> +
> + completeRequest(request);
> +}
> +
> void PipelineHandlerMaliC55::bufferReady(FrameBuffer *buffer)
> {
> Request *request = buffer->request();
> + MaliC55FrameInfo *info = findFrameInfo(request);
> + ASSERT(info);
>
> if (completeBuffer(request, buffer))
> - completeRequest(request);
> + tryComplete(info);
> +}
> +
> +void PipelineHandlerMaliC55::paramsBufferReady(FrameBuffer *buffer)
> +{
> + MaliC55FrameInfo *info = findFrameInfo(buffer);
> + ASSERT(info);
> +
> + info->paramsDone = true;
> +
> + tryComplete(info);
> }
>
> void PipelineHandlerMaliC55::statsBufferReady(FrameBuffer *buffer)
> {
> - availableStatsBuffers_.push(buffer);
> + MaliC55FrameInfo *info = findFrameInfo(buffer);
> + ASSERT(info);
> +
> + Request *request = info->request;
> + MaliC55CameraData *data = cameraData(request->_d()->camera());
> +
> + ControlList sensorControls = data->delayedCtrls_->get(buffer->metadata().sequence);
> +
> + data->ipa_->processStats(request->sequence(), buffer->cookie(),
> + sensorControls);
> +}
> +
> +void PipelineHandlerMaliC55::paramsComputed(unsigned int requestId)
> +{
> + MaliC55FrameInfo &frameInfo = frameInfoMap_[requestId];
> + Request *request = frameInfo.request;
> + MaliC55CameraData *data = cameraData(request->_d()->camera());
> +
> + /*
> + * Queue buffers for stats and params, then queue buffers to the capture
> + * video devices.
> + */
> +
> + frameInfo.paramBuffer->_d()->metadata().planes()[0].bytesused =
> + sizeof(struct mali_c55_params_buffer);
> + params_->queueBuffer(frameInfo.paramBuffer);
> + stats_->queueBuffer(frameInfo.statBuffer);
> +
> + for (auto &[stream, buffer] : request->buffers()) {
> + MaliC55Pipe *pipe = pipeFromStream(data, stream);
> +
> + pipe->cap->queueBuffer(buffer);
> + }
> }
>
> -void PipelineHandlerMaliC55::registerMaliCamera(std::unique_ptr<MaliC55CameraData> data,
> +void PipelineHandlerMaliC55::statsProcessed(unsigned int requestId,
> + const ControlList &metadata)
> +{
> + MaliC55FrameInfo &frameInfo = frameInfoMap_[requestId];
> +
> + frameInfo.statsDone = true;
> + frameInfo.request->metadata().merge(metadata);
> +
> + tryComplete(&frameInfo);
> +}
> +
> +bool PipelineHandlerMaliC55::registerMaliCamera(std::unique_ptr<MaliC55CameraData> data,
> const std::string &name)
> {
> + if (data->loadIPA())
> + return false;
> +
> + data->ipa_->statsProcessed.connect(this, &PipelineHandlerMaliC55::statsProcessed);
> + data->ipa_->paramsComputed.connect(this, &PipelineHandlerMaliC55::paramsComputed);
> +
> std::set<Stream *> streams{ &data->frStream_ };
> if (dsFitted_)
> streams.insert(&data->dsStream_);
> @@ -1177,6 +1436,8 @@ void PipelineHandlerMaliC55::registerMaliCamera(std::unique_ptr<MaliC55CameraDat
> std::shared_ptr<Camera> camera = Camera::create(std::move(data),
> name, streams);
> registerCamera(std::move(camera));
> +
> + return true;
> }
>
> /*
> @@ -1202,9 +1463,7 @@ bool PipelineHandlerMaliC55::registerTPGCamera(MediaLink *link)
> if (data->init())
> return false;
>
> - registerMaliCamera(std::move(data), name);
> -
> - return true;
> + return registerMaliCamera(std::move(data), name);
> }
>
> /*
> @@ -1230,11 +1489,26 @@ bool PipelineHandlerMaliC55::registerSensorCamera(MediaLink *ispLink)
> if (data->init())
> return false;
>
> - /* \todo: Init properties. */
> + /*
> + * \todo Read delay values from the sensor itself or from a
> + * a sensor database. For now use generic values taken from
> + * the Raspberry Pi and listed as 'generic values'.
> + */
> + std::unordered_map<uint32_t, DelayedControls::ControlParams> params = {
> + { V4L2_CID_ANALOGUE_GAIN, { 1, false } },
> + { V4L2_CID_EXPOSURE, { 2, false } },
> + };
> +
> + data->delayedCtrls_ =
> + std::make_unique<DelayedControls>(data->sensor_->device(),
> + params);
> + isp_->frameStart.connect(data->delayedCtrls_.get(),
> + &DelayedControls::applyControls);
>
> - data->updateControls();
> + /* \todo: Init properties. */
>
> - registerMaliCamera(std::move(data), sensor->name());
> + if (!registerMaliCamera(std::move(data), sensor->name()))
> + return false;
> }
>
> return true;
> @@ -1301,6 +1575,7 @@ bool PipelineHandlerMaliC55::match(DeviceEnumerator *enumerator)
> }
>
> stats_->bufferReady.connect(this, &PipelineHandlerMaliC55::statsBufferReady);
> + params_->bufferReady.connect(this, &PipelineHandlerMaliC55::paramsBufferReady);
>
> ispSink = isp_->entity()->getPadByIndex(0);
> if (!ispSink || ispSink->links().empty()) {
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