[libcamera-devel] [IPAIPU3 PATCH v4 5/6] ipu3: Inlink fillParams() in fillParamsBuffer()

Laurent Pinchart laurent.pinchart at ideasonboard.com
Wed Apr 6 00:58:16 CEST 2022


Hi Umang,

Thank you for the patch.

s/Inlink/Inline/

On Thu, Mar 31, 2022 at 10:00:57PM +0530, Umang Jain via libcamera-devel wrote:
> Since we have moved away from switch/case on the operation ID,
> there's little reason to split the operation in two functions.
> 
> Signed-off-by: Umang Jain <umang.jain at ideasonboard.com>

Reviewed-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>

> ---
>  ipu3.cpp | 52 +++++++++++++++++++++++-----------------------------
>  1 file changed, 23 insertions(+), 29 deletions(-)
> 
> diff --git a/ipu3.cpp b/ipu3.cpp
> index 289cc77..a435005 100644
> --- a/ipu3.cpp
> +++ b/ipu3.cpp
> @@ -61,7 +61,6 @@ private:
>  			    const ControlInfoMap &sensorControls,
>  			    ControlInfoMap *ipaControls);
>  	void runAiq(unsigned int frame);
> -	void fillParams(unsigned int frame, ipu3_uapi_params *params);
>  	void parseStatistics(unsigned int frame,
>  			     int64_t frameTimestamp,
>  			     const ipu3_uapi_stats_3a *stats,
> @@ -343,7 +342,29 @@ void IPAIPU3::fillParamsBuffer(const uint32_t frame, const uint32_t bufferId)
>  	ipu3_uapi_params *params =
>  		reinterpret_cast<ipu3_uapi_params *>(mem.data());
>  
> -	fillParams(frame, params);
> +	/* Prepare parameters buffer. */
> +	memset(params, 0, sizeof(*params));
> +
> +	/*
> +	 * Call into the AIQ object, and set up the library with any requested
> +	 * controls or settings from the incoming request.
> +	 *
> +	 * (statistics are fed into the library as a separate event
> +	 *  when available)
> +	 *
> +	 * - Run algorithms
> +	 *
> +	 * - Fill params buffer with the results of the algorithms.
> +	 */
> +	runAiq(frame);
> +
> +	aiq::AiqResults& latestResults = resultsHistory_.latest();
> +	aic_.updateRuntimeParams(latestResults);
> +	aic_.run(params);
> +
> +	setControls(frame);
> +
> +	paramsBufferReady.emit(frame);
>  }
>  
>  void IPAIPU3::processStatsBuffer(const uint32_t frame, const int64_t frameTimestamp,
> @@ -391,33 +412,6 @@ void IPAIPU3::runAiq([[maybe_unused]] unsigned int frame)
>  	lensPosition_ = latestResults.af()->next_lens_position;
>  }
>  
> -void IPAIPU3::fillParams(unsigned int frame, ipu3_uapi_params *params)
> -{
> -	/* Prepare parameters buffer. */
> -	memset(params, 0, sizeof(*params));
> -
> -	/*
> -	 * Call into the AIQ object, and set up the library with any requested
> -	 * controls or settings from the incoming request.
> -	 *
> -	 * (statistics are fed into the library as a separate event
> -	 *  when available)
> -	 *
> -	 * - Run algorithms
> -	 *
> -	 * - Fill params buffer with the results of the algorithms.
> -	 */
> -	runAiq(frame);
> -
> -	aiq::AiqResults& latestResults = resultsHistory_.latest();
> -	aic_.updateRuntimeParams(latestResults);
> -	aic_.run(params);
> -
> -	setControls(frame);
> -
> -	paramsBufferReady.emit(frame);
> -}
> -
>  void IPAIPU3::parseStatistics(unsigned int frame,
>  			      int64_t frameTimestamp,
>  			      const ipu3_uapi_stats_3a *stats,

-- 
Regards,

Laurent Pinchart


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