[libcamera-devel] [PATCH v4 06/32] ipa: libipa: algorithm: prepare(): Pass frame and frame Context

Laurent Pinchart laurent.pinchart at ideasonboard.com
Thu Sep 22 21:40:32 CEST 2022


Hi Jacopo,

On Wed, Sep 21, 2022 at 08:00:58PM +0200, Jacopo Mondi wrote:
> On Thu, Sep 08, 2022 at 04:41:34AM +0300, Laurent Pinchart via libcamera-devel wrote:
> > From: Kieran Bingham <kieran.bingham at ideasonboard.com>
> >
> > Pass the current frame number, and the current FrameContext for calls to
> > prepare.
> >
> > Signed-off-by: Kieran Bingham <kieran.bingham at ideasonboard.com>
> > Signed-off-by: Jacopo Mondi <jacopo at jmondi.org>
> > Reviewed-by: Umang Jain <umang.jain at ideasonboard.com>
> > ---
> > Changes since v3:
> >
> > - Use a const uint32_t instead of an unsigned int for the frame number
> 
> The parameter is passed by copy, what does cost bring here?
> 
> It doesn't hurt as an hint to developers not to change it though.

That's the idea, yes. It brings no additional benefit.

> > ---
> >  src/ipa/ipu3/algorithms/af.cpp           | 5 ++++-
> >  src/ipa/ipu3/algorithms/af.h             | 4 +++-
> >  src/ipa/ipu3/algorithms/awb.cpp          | 5 ++++-
> >  src/ipa/ipu3/algorithms/awb.h            | 4 +++-
> >  src/ipa/ipu3/algorithms/blc.cpp          | 6 +++++-
> >  src/ipa/ipu3/algorithms/blc.h            | 4 +++-
> >  src/ipa/ipu3/algorithms/tone_mapping.cpp | 4 ++++
> >  src/ipa/ipu3/algorithms/tone_mapping.h   | 3 ++-
> >  src/ipa/ipu3/ipu3.cpp                    | 4 +++-
> >  src/ipa/libipa/algorithm.cpp             | 2 ++
> >  src/ipa/libipa/algorithm.h               | 3 +++
> >  src/ipa/rkisp1/algorithms/agc.cpp        | 5 ++++-
> >  src/ipa/rkisp1/algorithms/agc.h          | 4 +++-
> >  src/ipa/rkisp1/algorithms/awb.cpp        | 5 ++++-
> >  src/ipa/rkisp1/algorithms/awb.h          | 4 +++-
> >  src/ipa/rkisp1/algorithms/blc.cpp        | 2 ++
> >  src/ipa/rkisp1/algorithms/blc.h          | 4 +++-
> >  src/ipa/rkisp1/algorithms/cproc.cpp      | 2 ++
> >  src/ipa/rkisp1/algorithms/cproc.h        | 4 +++-
> >  src/ipa/rkisp1/algorithms/dpcc.cpp       | 2 ++
> >  src/ipa/rkisp1/algorithms/dpcc.h         | 4 +++-
> >  src/ipa/rkisp1/algorithms/dpf.cpp        | 4 +++-
> >  src/ipa/rkisp1/algorithms/dpf.h          | 4 +++-
> >  src/ipa/rkisp1/algorithms/filter.cpp     | 5 ++++-
> >  src/ipa/rkisp1/algorithms/filter.h       | 4 +++-
> >  src/ipa/rkisp1/algorithms/gsl.cpp        | 2 ++
> >  src/ipa/rkisp1/algorithms/gsl.h          | 4 +++-
> >  src/ipa/rkisp1/algorithms/lsc.cpp        | 2 ++
> >  src/ipa/rkisp1/algorithms/lsc.h          | 4 +++-
> >  src/ipa/rkisp1/rkisp1.cpp                | 5 ++++-
> >  30 files changed, 92 insertions(+), 22 deletions(-)
> >
> > diff --git a/src/ipa/ipu3/algorithms/af.cpp b/src/ipa/ipu3/algorithms/af.cpp
> > index 5ab64bf88313..bc01b232ec59 100644
> > --- a/src/ipa/ipu3/algorithms/af.cpp
> > +++ b/src/ipa/ipu3/algorithms/af.cpp
> > @@ -116,7 +116,10 @@ Af::Af()
> >  /**
> >   * \copydoc libcamera::ipa::Algorithm::prepare
> >   */
> > -void Af::prepare(IPAContext &context, ipu3_uapi_params *params)
> > +void Af::prepare(IPAContext &context,
> > +		 [[maybe_unused]] const uint32_t frame,
> > +		 [[maybe_unused]] IPAFrameContext &frameContext,
> > +		 ipu3_uapi_params *params)
> >  {
> >  	const struct ipu3_uapi_grid_config &grid = context.configuration.af.afGrid;
> >  	params->acc_param.af.grid_cfg = grid;
> > diff --git a/src/ipa/ipu3/algorithms/af.h b/src/ipa/ipu3/algorithms/af.h
> > index 29117e8bdd0d..fbfd171b6465 100644
> > --- a/src/ipa/ipu3/algorithms/af.h
> > +++ b/src/ipa/ipu3/algorithms/af.h
> > @@ -30,8 +30,10 @@ public:
> >  	Af();
> >  	~Af() = default;
> >
> > -	void prepare(IPAContext &context, ipu3_uapi_params *params) override;
> >  	int configure(IPAContext &context, const IPAConfigInfo &configInfo) override;
> > +	void prepare(IPAContext &context, const uint32_t frame,
> > +		     IPAFrameContext &frameContext,
> > +		     ipu3_uapi_params *params) override;
> >  	void process(IPAContext &context, IPAFrameContext &frameContext,
> >  		     const ipu3_uapi_stats_3a *stats) override;
> >
> > diff --git a/src/ipa/ipu3/algorithms/awb.cpp b/src/ipa/ipu3/algorithms/awb.cpp
> > index 128f5d9d5351..e6e2951b8abb 100644
> > --- a/src/ipa/ipu3/algorithms/awb.cpp
> > +++ b/src/ipa/ipu3/algorithms/awb.cpp
> > @@ -429,7 +429,10 @@ constexpr uint16_t Awb::gainValue(double gain)
> >  /**
> >   * \copydoc libcamera::ipa::Algorithm::prepare
> >   */
> > -void Awb::prepare(IPAContext &context, ipu3_uapi_params *params)
> > +void Awb::prepare(IPAContext &context,
> > +		  [[maybe_unused]] const uint32_t frame,
> > +		  [[maybe_unused]] IPAFrameContext &frameContext,
> > +		  ipu3_uapi_params *params)
> >  {
> >  	/*
> >  	 * Green saturation thresholds are reduced because we are using the
> > diff --git a/src/ipa/ipu3/algorithms/awb.h b/src/ipa/ipu3/algorithms/awb.h
> > index ebbb2d58be7e..e9e816928fb4 100644
> > --- a/src/ipa/ipu3/algorithms/awb.h
> > +++ b/src/ipa/ipu3/algorithms/awb.h
> > @@ -39,7 +39,9 @@ public:
> >  	~Awb();
> >
> >  	int configure(IPAContext &context, const IPAConfigInfo &configInfo) override;
> > -	void prepare(IPAContext &context, ipu3_uapi_params *params) override;
> > +	void prepare(IPAContext &context, const uint32_t frame,
> > +		     IPAFrameContext &frameContext,
> > +		     ipu3_uapi_params *params) override;
> >  	void process(IPAContext &context, IPAFrameContext &frameContext,
> >  		     const ipu3_uapi_stats_3a *stats) override;
> >
> > diff --git a/src/ipa/ipu3/algorithms/blc.cpp b/src/ipa/ipu3/algorithms/blc.cpp
> > index c32427c99549..e838072a344c 100644
> > --- a/src/ipa/ipu3/algorithms/blc.cpp
> > +++ b/src/ipa/ipu3/algorithms/blc.cpp
> > @@ -39,13 +39,17 @@ BlackLevelCorrection::BlackLevelCorrection()
> >  /**
> >   * \brief Fill in the parameter structure, and enable black level correction
> >   * \param[in] context The shared IPA context
> > + * \param[in] frame The frame context sequence number
> > + * \param[in] frameContext The FrameContext for this frame
> >   * \param[out] params The IPU3 parameters
> >   *
> >   * Populate the IPU3 parameter structure with the correction values for each
> >   * channel and enable the corresponding ImgU block processing.
> >   */
> >  void BlackLevelCorrection::prepare([[maybe_unused]] IPAContext &context,
> > -			      ipu3_uapi_params *params)
> > +				   [[maybe_unused]] const uint32_t frame,
> > +				   [[maybe_unused]] IPAFrameContext &frameContext,
> > +				   ipu3_uapi_params *params)
> >  {
> >  	/*
> >  	 * The Optical Black Level correction values
> > diff --git a/src/ipa/ipu3/algorithms/blc.h b/src/ipa/ipu3/algorithms/blc.h
> > index d8da1748baba..292bf67b02ff 100644
> > --- a/src/ipa/ipu3/algorithms/blc.h
> > +++ b/src/ipa/ipu3/algorithms/blc.h
> > @@ -18,7 +18,9 @@ class BlackLevelCorrection : public Algorithm
> >  public:
> >  	BlackLevelCorrection();
> >
> > -	void prepare(IPAContext &context, ipu3_uapi_params *params) override;
> > +	void prepare(IPAContext &context, const uint32_t frame,
> > +		     IPAFrameContext &frameContext,
> > +		     ipu3_uapi_params *params) override;
> >  };
> >
> >  } /* namespace ipa::ipu3::algorithms */
> > diff --git a/src/ipa/ipu3/algorithms/tone_mapping.cpp b/src/ipa/ipu3/algorithms/tone_mapping.cpp
> > index 24faba9be2b2..10a2fb1935dc 100644
> > --- a/src/ipa/ipu3/algorithms/tone_mapping.cpp
> > +++ b/src/ipa/ipu3/algorithms/tone_mapping.cpp
> > @@ -50,12 +50,16 @@ int ToneMapping::configure(IPAContext &context,
> >  /**
> >   * \brief Fill in the parameter structure, and enable gamma control
> >   * \param[in] context The shared IPA context
> > + * \param[in] frame The frame context sequence number
> > + * \param[in] frameContext The FrameContext for this frame
> >   * \param[out] params The IPU3 parameters
> >   *
> >   * Populate the IPU3 parameter structure with our tone mapping look up table and
> >   * enable the gamma control module in the processing blocks.
> >   */
> >  void ToneMapping::prepare([[maybe_unused]] IPAContext &context,
> > +			  [[maybe_unused]] const uint32_t frame,
> > +			  [[maybe_unused]] IPAFrameContext &frameContext,
> >  			  ipu3_uapi_params *params)
> >  {
> >  	/* Copy the calculated LUT into the parameters buffer. */
> > diff --git a/src/ipa/ipu3/algorithms/tone_mapping.h b/src/ipa/ipu3/algorithms/tone_mapping.h
> > index 5be62f6ee9bd..c24a7e485aaf 100644
> > --- a/src/ipa/ipu3/algorithms/tone_mapping.h
> > +++ b/src/ipa/ipu3/algorithms/tone_mapping.h
> > @@ -19,7 +19,8 @@ public:
> >  	ToneMapping();
> >
> >  	int configure(IPAContext &context, const IPAConfigInfo &configInfo) override;
> > -	void prepare(IPAContext &context, ipu3_uapi_params *params) override;
> > +	void prepare(IPAContext &context, const uint32_t frame,
> > +		     IPAFrameContext &frameContext, ipu3_uapi_params *params) override;
> >  	void process(IPAContext &context, IPAFrameContext &frameContext,
> >  		     const ipu3_uapi_stats_3a *stats) override;
> >
> > diff --git a/src/ipa/ipu3/ipu3.cpp b/src/ipa/ipu3/ipu3.cpp
> > index f0c92507533c..ac6f66afecb5 100644
> > --- a/src/ipa/ipu3/ipu3.cpp
> > +++ b/src/ipa/ipu3/ipu3.cpp
> > @@ -572,8 +572,10 @@ void IPAIPU3::fillParamsBuffer(const uint32_t frame, const uint32_t bufferId)
> >  	 */
> >  	params->use = {};
> >
> > +	IPAFrameContext &frameContext = context_.frameContexts[frame % kMaxFrameContexts];
> > +
> >  	for (auto const &algo : algorithms())
> > -		algo->prepare(context_, params);
> > +		algo->prepare(context_, frame, frameContext, params);
> >
> >  	paramsBufferReady.emit(frame);
> >  }
> > diff --git a/src/ipa/libipa/algorithm.cpp b/src/ipa/libipa/algorithm.cpp
> > index 38200e57b780..0992e5de8dd5 100644
> > --- a/src/ipa/libipa/algorithm.cpp
> > +++ b/src/ipa/libipa/algorithm.cpp
> > @@ -70,6 +70,8 @@ namespace ipa {
> >   * \fn Algorithm::prepare()
> >   * \brief Fill the \a params buffer with ISP processing parameters for a frame
> >   * \param[in] context The shared IPA context
> > + * \param[in] frame The frame context sequence number
> > + * \param[in] frameContext The FrameContext for this frame
> >   * \param[out] params The ISP specific parameters.
> >   *
> >   * This function is called for every frame when the camera is running before it
> > diff --git a/src/ipa/libipa/algorithm.h b/src/ipa/libipa/algorithm.h
> > index 0fe3d772963a..cde2e6399e8e 100644
> > --- a/src/ipa/libipa/algorithm.h
> > +++ b/src/ipa/libipa/algorithm.h
> > @@ -7,6 +7,7 @@
> >  #pragma once
> >
> >  #include <memory>
> > +#include <stdint.h>
> >  #include <string>
> >
> >  #include <libcamera/controls.h>
> > @@ -38,6 +39,8 @@ public:
> >  	}
> >
> >  	virtual void prepare([[maybe_unused]] typename Module::Context &context,
> > +			     [[maybe_unused]] const uint32_t frame,
> > +			     [[maybe_unused]] typename Module::FrameContext &frameContext,
> >  			     [[maybe_unused]] typename Module::Params *params)
> 
> Do we need [[maybe_unused]] in headers ? Anyway, was there already...

For inline functions, yes. If it was just a function declaration, no.

> >  	{
> >  	}
> > diff --git a/src/ipa/rkisp1/algorithms/agc.cpp b/src/ipa/rkisp1/algorithms/agc.cpp
> > index 7642796d69a3..0d22d9dc98fb 100644
> > --- a/src/ipa/rkisp1/algorithms/agc.cpp
> > +++ b/src/ipa/rkisp1/algorithms/agc.cpp
> > @@ -323,7 +323,10 @@ void Agc::process(IPAContext &context,
> >  /**
> >   * \copydoc libcamera::ipa::Algorithm::prepare
> >   */
> > -void Agc::prepare(IPAContext &context, rkisp1_params_cfg *params)
> > +void Agc::prepare(IPAContext &context,
> > +		  [[maybe_unused]] const uint32_t frame,
> > +		  [[maybe_unused]] IPAFrameContext &frameContext,
> > +		  rkisp1_params_cfg *params)
> >  {
> >  	if (context.frameContext.frameCount > 0)
> >  		return;
> > diff --git a/src/ipa/rkisp1/algorithms/agc.h b/src/ipa/rkisp1/algorithms/agc.h
> > index 6a5723ecbcf8..8724cb602158 100644
> > --- a/src/ipa/rkisp1/algorithms/agc.h
> > +++ b/src/ipa/rkisp1/algorithms/agc.h
> > @@ -26,7 +26,9 @@ public:
> >  	~Agc() = default;
> >
> >  	int configure(IPAContext &context, const IPACameraSensorInfo &configInfo) override;
> > -	void prepare(IPAContext &context, rkisp1_params_cfg *params) override;
> > +	void prepare(IPAContext &context, const uint32_t frame,
> > +		     IPAFrameContext &frameContext,
> > +		     rkisp1_params_cfg *params) override;
> >  	void process(IPAContext &context, IPAFrameContext &frameContext,
> >  		     const rkisp1_stat_buffer *stats) override;
> >
> > diff --git a/src/ipa/rkisp1/algorithms/awb.cpp b/src/ipa/rkisp1/algorithms/awb.cpp
> > index 2bc5d3aa16ab..da22a0970a4f 100644
> > --- a/src/ipa/rkisp1/algorithms/awb.cpp
> > +++ b/src/ipa/rkisp1/algorithms/awb.cpp
> > @@ -74,7 +74,10 @@ uint32_t Awb::estimateCCT(double red, double green, double blue)
> >  /**
> >   * \copydoc libcamera::ipa::Algorithm::prepare
> >   */
> > -void Awb::prepare(IPAContext &context, rkisp1_params_cfg *params)
> > +void Awb::prepare(IPAContext &context,
> > +		  [[maybe_unused]] const uint32_t frame,
> > +		  [[maybe_unused]] IPAFrameContext &frameContext,
> > +		  rkisp1_params_cfg *params)
> >  {
> >  	params->others.awb_gain_config.gain_green_b = 256 * context.frameContext.awb.gains.green;
> >  	params->others.awb_gain_config.gain_blue = 256 * context.frameContext.awb.gains.blue;
> > diff --git a/src/ipa/rkisp1/algorithms/awb.h b/src/ipa/rkisp1/algorithms/awb.h
> > index fc221acea617..7ae6c7a9bb10 100644
> > --- a/src/ipa/rkisp1/algorithms/awb.h
> > +++ b/src/ipa/rkisp1/algorithms/awb.h
> > @@ -20,7 +20,9 @@ public:
> >  	~Awb() = default;
> >
> >  	int configure(IPAContext &context, const IPACameraSensorInfo &configInfo) override;
> > -	void prepare(IPAContext &context, rkisp1_params_cfg *params) override;
> > +	void prepare(IPAContext &context, const uint32_t frame,
> > +		     IPAFrameContext &frameContext,
> > +		     rkisp1_params_cfg *params) override;
> >  	void queueRequest(IPAContext &context, const uint32_t frame,
> >  			  const ControlList &controls) override;
> >  	void process(IPAContext &context, IPAFrameContext &frameCtx,
> > diff --git a/src/ipa/rkisp1/algorithms/blc.cpp b/src/ipa/rkisp1/algorithms/blc.cpp
> > index a58569fa2dc2..c45a317ada08 100644
> > --- a/src/ipa/rkisp1/algorithms/blc.cpp
> > +++ b/src/ipa/rkisp1/algorithms/blc.cpp
> > @@ -66,6 +66,8 @@ int BlackLevelCorrection::init([[maybe_unused]] IPAContext &context,
> >   * \copydoc libcamera::ipa::Algorithm::prepare
> >   */
> >  void BlackLevelCorrection::prepare(IPAContext &context,
> > +				   [[maybe_unused]] const uint32_t frame,
> > +				   [[maybe_unused]] IPAFrameContext &frameContext,
> >  				   rkisp1_params_cfg *params)
> >  {
> >  	if (context.frameContext.frameCount > 0)
> > diff --git a/src/ipa/rkisp1/algorithms/blc.h b/src/ipa/rkisp1/algorithms/blc.h
> > index 5fc3a80fb638..0b1a2d436869 100644
> > --- a/src/ipa/rkisp1/algorithms/blc.h
> > +++ b/src/ipa/rkisp1/algorithms/blc.h
> > @@ -20,7 +20,9 @@ public:
> >  	~BlackLevelCorrection() = default;
> >
> >  	int init(IPAContext &context, const YamlObject &tuningData) override;
> > -	void prepare(IPAContext &context, rkisp1_params_cfg *params) override;
> > +	void prepare(IPAContext &context, const uint32_t frame,
> > +		     IPAFrameContext &frameContext,
> > +		     rkisp1_params_cfg *params) override;
> >
> >  private:
> >  	bool tuningParameters_;
> > diff --git a/src/ipa/rkisp1/algorithms/cproc.cpp b/src/ipa/rkisp1/algorithms/cproc.cpp
> > index bca5ab6907d6..c0505c68765b 100644
> > --- a/src/ipa/rkisp1/algorithms/cproc.cpp
> > +++ b/src/ipa/rkisp1/algorithms/cproc.cpp
> > @@ -71,6 +71,8 @@ void ColorProcessing::queueRequest(IPAContext &context,
> >   * \copydoc libcamera::ipa::Algorithm::prepare
> >   */
> >  void ColorProcessing::prepare(IPAContext &context,
> > +			      [[maybe_unused]] const uint32_t frame,
> > +			      [[maybe_unused]] IPAFrameContext &frameContext,
> >  			      rkisp1_params_cfg *params)
> >  {
> >  	auto &cproc = context.frameContext.cproc;
> > diff --git a/src/ipa/rkisp1/algorithms/cproc.h b/src/ipa/rkisp1/algorithms/cproc.h
> > index 4b7e4064d7e8..02c3d9c95488 100644
> > --- a/src/ipa/rkisp1/algorithms/cproc.h
> > +++ b/src/ipa/rkisp1/algorithms/cproc.h
> > @@ -23,7 +23,9 @@ public:
> >
> >  	void queueRequest(IPAContext &context, const uint32_t frame,
> >  			  const ControlList &controls) override;
> > -	void prepare(IPAContext &context, rkisp1_params_cfg *params) override;
> > +	void prepare(IPAContext &context, const uint32_t frame,
> > +		     IPAFrameContext &frameContext,
> > +		     rkisp1_params_cfg *params) override;
> >  };
> >
> >  } /* namespace ipa::rkisp1::algorithms */
> > diff --git a/src/ipa/rkisp1/algorithms/dpcc.cpp b/src/ipa/rkisp1/algorithms/dpcc.cpp
> > index fb2f01cdaa3c..5030526769c7 100644
> > --- a/src/ipa/rkisp1/algorithms/dpcc.cpp
> > +++ b/src/ipa/rkisp1/algorithms/dpcc.cpp
> > @@ -259,6 +259,8 @@ int DefectPixelClusterCorrection::init([[maybe_unused]] IPAContext &context,
> >   * \copydoc libcamera::ipa::Algorithm::prepare
> >   */
> >  void DefectPixelClusterCorrection::prepare(IPAContext &context,
> > +					   [[maybe_unused]] const uint32_t frame,
> > +					   [[maybe_unused]] IPAFrameContext &frameContext,
> >  					   rkisp1_params_cfg *params)
> >  {
> >  	if (context.frameContext.frameCount > 0)
> > diff --git a/src/ipa/rkisp1/algorithms/dpcc.h b/src/ipa/rkisp1/algorithms/dpcc.h
> > index a363f7bee0a7..894c0249f35d 100644
> > --- a/src/ipa/rkisp1/algorithms/dpcc.h
> > +++ b/src/ipa/rkisp1/algorithms/dpcc.h
> > @@ -20,7 +20,9 @@ public:
> >  	~DefectPixelClusterCorrection() = default;
> >
> >  	int init(IPAContext &context, const YamlObject &tuningData) override;
> > -	void prepare(IPAContext &context, rkisp1_params_cfg *params) override;
> > +	void prepare(IPAContext &context, const uint32_t frame,
> > +		     IPAFrameContext &frameContext,
> > +		     rkisp1_params_cfg *params) override;
> >
> >  private:
> >  	bool initialized_;
> > diff --git a/src/ipa/rkisp1/algorithms/dpf.cpp b/src/ipa/rkisp1/algorithms/dpf.cpp
> > index c93c8361b5da..8286f83facc1 100644
> > --- a/src/ipa/rkisp1/algorithms/dpf.cpp
> > +++ b/src/ipa/rkisp1/algorithms/dpf.cpp
> > @@ -206,7 +206,9 @@ void Dpf::queueRequest(IPAContext &context,
> >  /**
> >   * \copydoc libcamera::ipa::Algorithm::prepare
> >   */
> > -void Dpf::prepare(IPAContext &context, rkisp1_params_cfg *params)
> > +void Dpf::prepare(IPAContext &context, [[maybe_unused]] const uint32_t frame,
> > +		  [[maybe_unused]] IPAFrameContext &frameContext,
> > +		  rkisp1_params_cfg *params)
> >  {
> >  	if (!initialized_)
> >  		return;
> > diff --git a/src/ipa/rkisp1/algorithms/dpf.h b/src/ipa/rkisp1/algorithms/dpf.h
> > index 128ebd5e02e3..656d78dee67c 100644
> > --- a/src/ipa/rkisp1/algorithms/dpf.h
> > +++ b/src/ipa/rkisp1/algorithms/dpf.h
> > @@ -24,7 +24,9 @@ public:
> >  	int init(IPAContext &context, const YamlObject &tuningData) override;
> >  	void queueRequest(IPAContext &context, const uint32_t frame,
> >  			  const ControlList &controls) override;
> > -	void prepare(IPAContext &context, rkisp1_params_cfg *params) override;
> > +	void prepare(IPAContext &context, const uint32_t frame,
> > +		     IPAFrameContext &frameContext,
> > +		     rkisp1_params_cfg *params) override;
> >
> >  private:
> >  	bool initialized_;
> > diff --git a/src/ipa/rkisp1/algorithms/filter.cpp b/src/ipa/rkisp1/algorithms/filter.cpp
> > index 8ca10fd1ee9d..02562339d008 100644
> > --- a/src/ipa/rkisp1/algorithms/filter.cpp
> > +++ b/src/ipa/rkisp1/algorithms/filter.cpp
> > @@ -85,7 +85,10 @@ void Filter::queueRequest(IPAContext &context,
> >  /**
> >   * \copydoc libcamera::ipa::Algorithm::prepare
> >   */
> > -void Filter::prepare(IPAContext &context, rkisp1_params_cfg *params)
> > +void Filter::prepare(IPAContext &context,
> > +		     [[maybe_unused]] const uint32_t frame,
> > +		     [[maybe_unused]] IPAFrameContext &frameContext,
> > +		     rkisp1_params_cfg *params)
> >  {
> >  	auto &filter = context.frameContext.filter;
> >
> > diff --git a/src/ipa/rkisp1/algorithms/filter.h b/src/ipa/rkisp1/algorithms/filter.h
> > index 9eb170eb7da1..ac69657e2f0f 100644
> > --- a/src/ipa/rkisp1/algorithms/filter.h
> > +++ b/src/ipa/rkisp1/algorithms/filter.h
> > @@ -23,7 +23,9 @@ public:
> >
> >  	void queueRequest(IPAContext &context, const uint32_t frame,
> >  			  const ControlList &controls) override;
> > -	void prepare(IPAContext &context, rkisp1_params_cfg *params) override;
> > +	void prepare(IPAContext &context, const uint32_t frame,
> > +		     IPAFrameContext &frameContext,
> > +		     rkisp1_params_cfg *params) override;
> >  };
> >
> >  } /* namespace ipa::rkisp1::algorithms */
> > diff --git a/src/ipa/rkisp1/algorithms/gsl.cpp b/src/ipa/rkisp1/algorithms/gsl.cpp
> > index 2fd1a23d3a9b..dfc76b3d8ffd 100644
> > --- a/src/ipa/rkisp1/algorithms/gsl.cpp
> > +++ b/src/ipa/rkisp1/algorithms/gsl.cpp
> > @@ -119,6 +119,8 @@ int GammaSensorLinearization::init([[maybe_unused]] IPAContext &context,
> >   * \copydoc libcamera::ipa::Algorithm::prepare
> >   */
> >  void GammaSensorLinearization::prepare(IPAContext &context,
> > +				       [[maybe_unused]] const uint32_t frame,
> > +				       [[maybe_unused]] IPAFrameContext &frameContext,
> >  				       rkisp1_params_cfg *params)
> >  {
> >  	if (context.frameContext.frameCount > 0)
> > diff --git a/src/ipa/rkisp1/algorithms/gsl.h b/src/ipa/rkisp1/algorithms/gsl.h
> > index db287dc280dc..5024b6835949 100644
> > --- a/src/ipa/rkisp1/algorithms/gsl.h
> > +++ b/src/ipa/rkisp1/algorithms/gsl.h
> > @@ -20,7 +20,9 @@ public:
> >  	~GammaSensorLinearization() = default;
> >
> >  	int init(IPAContext &context, const YamlObject &tuningData) override;
> > -	void prepare(IPAContext &context, rkisp1_params_cfg *params) override;
> > +	void prepare(IPAContext &context, const uint32_t frame,
> > +		     IPAFrameContext &frameContext,
> > +		     rkisp1_params_cfg *params) override;
> >
> >  private:
> >  	bool initialized_;
> > diff --git a/src/ipa/rkisp1/algorithms/lsc.cpp b/src/ipa/rkisp1/algorithms/lsc.cpp
> > index b9efc063ab2e..e4b04136dbaf 100644
> > --- a/src/ipa/rkisp1/algorithms/lsc.cpp
> > +++ b/src/ipa/rkisp1/algorithms/lsc.cpp
> > @@ -133,6 +133,8 @@ int LensShadingCorrection::configure(IPAContext &context,
> >   * \copydoc libcamera::ipa::Algorithm::prepare
> >   */
> >  void LensShadingCorrection::prepare(IPAContext &context,
> > +				    [[maybe_unused]] const uint32_t frame,
> > +				    [[maybe_unused]] IPAFrameContext &frameContext,
> >  				    rkisp1_params_cfg *params)
> >  {
> >  	if (context.frameContext.frameCount > 0)
> > diff --git a/src/ipa/rkisp1/algorithms/lsc.h b/src/ipa/rkisp1/algorithms/lsc.h
> > index f68602c005c4..da957d3e3103 100644
> > --- a/src/ipa/rkisp1/algorithms/lsc.h
> > +++ b/src/ipa/rkisp1/algorithms/lsc.h
> > @@ -21,7 +21,9 @@ public:
> >
> >  	int init(IPAContext &context, const YamlObject &tuningData) override;
> >  	int configure(IPAContext &context, const IPACameraSensorInfo &configInfo) override;
> > -	void prepare(IPAContext &context, rkisp1_params_cfg *params) override;
> > +	void prepare(IPAContext &context, const uint32_t frame,
> > +		     IPAFrameContext &frameContext,
> > +		     rkisp1_params_cfg *params) override;
> >
> >  private:
> >  	bool initialized_;
> > diff --git a/src/ipa/rkisp1/rkisp1.cpp b/src/ipa/rkisp1/rkisp1.cpp
> > index 3bc6d4dd2784..0932c73b14e4 100644
> > --- a/src/ipa/rkisp1/rkisp1.cpp
> > +++ b/src/ipa/rkisp1/rkisp1.cpp
> > @@ -298,6 +298,9 @@ void IPARkISP1::queueRequest(const uint32_t frame, const ControlList &controls)
> >
> >  void IPARkISP1::fillParamsBuffer(const uint32_t frame, const uint32_t bufferId)
> >  {
> > +	/* \todo Obtain the frame context to pass to process from the FCQueue */
> > +	IPAFrameContext frameContext;
> > +
> >  	rkisp1_params_cfg *params =
> >  		reinterpret_cast<rkisp1_params_cfg *>(
> >  			mappedBuffers_.at(bufferId).planes()[0].data());
> > @@ -306,7 +309,7 @@ void IPARkISP1::fillParamsBuffer(const uint32_t frame, const uint32_t bufferId)
> >  	memset(params, 0, sizeof(*params));
> >
> >  	for (auto const &algo : algorithms())
> > -		algo->prepare(context_, params);
> > +		algo->prepare(context_, frame, frameContext, params);
> >
> >  	paramsBufferReady.emit(frame);
> >  	context_.frameContext.frameCount++;
> 
> Looks good
> Reviewed-by: Jacopo Mondi <jacopo at jmondi.org>

-- 
Regards,

Laurent Pinchart


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