[libcamera-devel] [RFC PATCH v4 04/21] android: jpeg: get ISO from SENSOR_SENSITIVITY

[Jacopo Mondi]

Hi Paul,

On Fri, Jul 16, 2021 at 07:56:14PM +0900, Paul Elder wrote:
> The data for the exif ISO tag needs to come from SENSOR_SENSITIVITY. Set
> it.
>
> Signed-off-by: Paul Elder <paul.elder at ideasonboard.com>
> Reviewed-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
>
> ---
> This on its own doesn't fix any CTS tests, but it prevents a test
> failure later on when we add the proper static metadata for the FULL
> hardware level.

It doesn't hurt indeed!
Reviewed-by: Jacopo Mondi <jacopo at jmondi.org>

Thanks
   j

> ---
>  src/android/jpeg/post_processor_jpeg.cpp | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/src/android/jpeg/post_processor_jpeg.cpp b/src/android/jpeg/post_processor_jpeg.cpp
> index 0e93f365..3160a784 100644
> --- a/src/android/jpeg/post_processor_jpeg.cpp
> +++ b/src/android/jpeg/post_processor_jpeg.cpp
> @@ -119,7 +119,10 @@ int PostProcessorJpeg::process(const FrameBuffer &source,
>  	ret = requestMetadata.getEntry(ANDROID_LENS_APERTURE, &entry);
>  	if (ret)
>  		exif.setAperture(*entry.data.f);
> -	exif.setISO(100);
> +
> +	ret = resultMetadata->getEntry(ANDROID_SENSOR_SENSITIVITY, &entry);
> +	exif.setISO(ret ? *entry.data.i32 : 100);
> +
>  	exif.setFlash(Exif::Flash::FlashNotPresent);
>  	exif.setWhiteBalance(Exif::WhiteBalance::Auto);
>
> --
> 2.27.0
>