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

Kieran Bingham kieran.bingham at ideasonboard.com
Tue Sep 20 15:49:25 CEST 2022


Quoting Laurent Pinchart (2022-09-08 02:41:34)
> 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>

Missing SoB.

> ---
> Changes since v3:
> 
> - Use a const uint32_t instead of an unsigned int for the frame number

Fine with me.

I might be reviewing my own code changes here ... but I've forgotten
anyway so I'll head through ;-)

Reviewed-by: Kieran Bingham <kieran.bingham at ideasonboard.com>


> ---
>  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)
>         {
>         }
> 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++;
> -- 
> Regards,
> 
> Laurent Pinchart
>


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