[libcamera-devel] [PATCH v6 2/8] ipa: raspberrypi: Add a constructor struct DeviceStatus

[Laurent Pinchart]

On Fri, Jul 09, 2021 at 06:10:18PM +0200, Jacopo Mondi wrote:
> Hi Naush,
> 
> On Fri, Jul 09, 2021 at 03:58:19PM +0100, Naushir Patuck wrote:
> > The constructor sets all fields to 0. This replaces the memset(0) and default
> > value initialisation usage in the agc and lux controllers respectively.
> >
> > Signed-off-by: Naushir Patuck <naush at raspberrypi.com>
> > Reviewed-by: David Plowman <david.plowman at raspberrypi.com>
> > Reviewed-by: Kieran Bingham <kieran.bingham at ideasonboard.com>
> > ---
> >  src/ipa/raspberrypi/controller/device_status.h | 6 ++++++
> >  src/ipa/raspberrypi/controller/rpi/agc.cpp     | 1 -
> >  src/ipa/raspberrypi/controller/rpi/lux.cpp     | 9 +--------
> >  3 files changed, 7 insertions(+), 9 deletions(-)
> >
> > diff --git a/src/ipa/raspberrypi/controller/device_status.h b/src/ipa/raspberrypi/controller/device_status.h
> > index 733378dbfa27..73df7ce228dd 100644
> > --- a/src/ipa/raspberrypi/controller/device_status.h
> > +++ b/src/ipa/raspberrypi/controller/device_status.h
> > @@ -14,6 +14,12 @@
> >   */
> >
> >  struct DeviceStatus {
> > +	DeviceStatus()
> > +		: shutter_speed(std::chrono::seconds(0)), analogue_gain(0.0),
> > +		  lens_position(0.0), aperture(0.0), flash_intensity(0.0)
> > +	{
> > +	}
> > +
> >  	/* time shutter is open */
> >  	libcamera::utils::Duration shutter_speed;
> >  	double analogue_gain;
> > diff --git a/src/ipa/raspberrypi/controller/rpi/agc.cpp b/src/ipa/raspberrypi/controller/rpi/agc.cpp
> > index 6c3a4eb2a04d..f57783f821ec 100644
> > --- a/src/ipa/raspberrypi/controller/rpi/agc.cpp
> > +++ b/src/ipa/raspberrypi/controller/rpi/agc.cpp
> > @@ -172,7 +172,6 @@ Agc::Agc(Controller *controller)
> >  	// it's not been calculated yet (i.e. Process hasn't yet run).
> >  	memset(&status_, 0, sizeof(status_));
> >  	status_.ev = ev_;
> > -	memset(&last_device_status_, 0, sizeof(last_device_status_));
> 
> >
> >  char const *Agc::Name() const
> > diff --git a/src/ipa/raspberrypi/controller/rpi/lux.cpp b/src/ipa/raspberrypi/controller/rpi/lux.cpp
> > index f58d69397e1c..6367b17dc7f4 100644
> > --- a/src/ipa/raspberrypi/controller/rpi/lux.cpp
> > +++ b/src/ipa/raspberrypi/controller/rpi/lux.cpp
> > @@ -60,14 +60,7 @@ void Lux::Prepare(Metadata *image_metadata)
> >
> >  void Lux::Process(StatisticsPtr &stats, Metadata *image_metadata)
> >  {
> > -	// set some initial values to shut the compiler up
> > -	DeviceStatus device_status = {
> > -		.shutter_speed = 1.0ms,
> > -		.analogue_gain = 1.0,
> > -		.lens_position = 0.0,
> > -		.aperture = 0.0,
> > -		.flash_intensity = 0.0
> > -	};
> > +	DeviceStatus device_status;
> >  	if (image_metadata->Get("device.status", device_status) == 0) {
> >  		double current_gain = device_status.analogue_gain;
> >  		double current_aperture = device_status.aperture;
> 
> I do also see an
> geq.cpp:     DeviceStatus device_status = {};
> 
> which doesn't hurt though

I can fix this when applying. Naush, is that OK with you ?

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

> Reviewed-by: Jacopo Mondi <jacopo at jmondi.org>

-- 
Regards,

Laurent Pinchart