[libcamera-devel] [PATCH 1/2] ipa: raspberrypi: AWB: Remove unecessary frame count variable

[Laurent Pinchart]

Hi David,

Thank you for the patch.

On Wed, Feb 10, 2021 at 11:17:42AM +0000, David Plowman wrote:
> The variable frame_count2_ is not needed as Prepare() and Process()
> always run in lock step one after the other.
> 
> Signed-off-by: David Plowman <david.plowman at raspberrypi.com>

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

> ---
>  src/ipa/raspberrypi/controller/rpi/awb.cpp | 6 ++----
>  src/ipa/raspberrypi/controller/rpi/awb.hpp | 1 -
>  2 files changed, 2 insertions(+), 5 deletions(-)
> 
> diff --git a/src/ipa/raspberrypi/controller/rpi/awb.cpp b/src/ipa/raspberrypi/controller/rpi/awb.cpp
> index 791b5108..1c65eda8 100644
> --- a/src/ipa/raspberrypi/controller/rpi/awb.cpp
> +++ b/src/ipa/raspberrypi/controller/rpi/awb.cpp
> @@ -153,7 +153,7 @@ void Awb::Read(boost::property_tree::ptree const &params)
>  
>  void Awb::Initialise()
>  {
> -	frame_count2_ = frame_count_ = frame_phase_ = 0;
> +	frame_count_ = frame_phase_ = 0;
>  	// Put something sane into the status that we are filtering towards,
>  	// just in case the first few frames don't have anything meaningful in
>  	// them.
> @@ -288,11 +288,9 @@ void Awb::Process(StatisticsPtr &stats, Metadata *image_metadata)
>  	// Count frames since we last poked the async thread.
>  	if (frame_phase_ < (int)config_.frame_period)
>  		frame_phase_++;
> -	if (frame_count2_ < (int)config_.startup_frames)
> -		frame_count2_++;
>  	LOG(RPiAwb, Debug) << "frame_phase " << frame_phase_;
>  	if (frame_phase_ >= (int)config_.frame_period ||
> -	    frame_count2_ < (int)config_.startup_frames) {
> +	    frame_count_ < (int)config_.startup_frames) {
>  		// Update any settings and any image metadata that we need.
>  		struct LuxStatus lux_status = {};
>  		lux_status.lux = 400; // in case no metadata
> diff --git a/src/ipa/raspberrypi/controller/rpi/awb.hpp b/src/ipa/raspberrypi/controller/rpi/awb.hpp
> index 1b39ab4b..f113c642 100644
> --- a/src/ipa/raspberrypi/controller/rpi/awb.hpp
> +++ b/src/ipa/raspberrypi/controller/rpi/awb.hpp
> @@ -130,7 +130,6 @@ private:
>  	// counts up to frame_period before restarting the async thread
>  	int frame_phase_;
>  	int frame_count_; // counts up to startup_frames
> -	int frame_count2_; // counts up to startup_frames for Process method
>  	AwbStatus sync_results_;
>  	AwbStatus prev_sync_results_;
>  	std::string mode_name_;

-- 
Regards,

Laurent Pinchart