[libcamera-devel] [PATCH 2/7] android: camera_device: Report AE_EXPOSURE_COMPENSATION

Laurent Pinchart laurent.pinchart at ideasonboard.com
Thu Feb 4 23:10:25 CET 2021


Hi Jacopo,

Thank you for the patch.

On Wed, Feb 03, 2021 at 05:25:55PM +0100, Jacopo Mondi wrote:
> The CaptureResultTest#testCameraCaptureResultAllKeys enforces the
> presence of the ANDROID_CONTROL_AE_EXPOSURE_COMPENSATION result
> metadata.
> 
> Report 0 as the current value for
> ANDROID_CONTROL_AE_EXPOSURE_COMPENSATION in the result metadata
> pack.
> 
> Signed-off-by: Jacopo Mondi <jacopo at jmondi.org>

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

> ---
>  src/android/camera_device.cpp | 9 +++++++--
>  1 file changed, 7 insertions(+), 2 deletions(-)
> 
> diff --git a/src/android/camera_device.cpp b/src/android/camera_device.cpp
> index 02908beb867e..cdc75b949206 100644
> --- a/src/android/camera_device.cpp
> +++ b/src/android/camera_device.cpp
> @@ -708,7 +708,7 @@ std::tuple<uint32_t, uint32_t> CameraDevice::calculateStaticMetadataSize()
>  	 * Currently: 53 entries, 846 bytes of static metadata
>  	 */
>  	uint32_t numEntries = 53;
> -	uint32_t byteSize = 850;
> +	uint32_t byteSize = 854;
>  
>  	/*
>  	 * Calculate space occupation in bytes for dynamically built metadata
> @@ -1245,6 +1245,7 @@ const camera_metadata_t *CameraDevice::getStaticMetadata()
>  	std::vector<int32_t> availableResultKeys = {
>  		ANDROID_COLOR_CORRECTION_ABERRATION_MODE,
>  		ANDROID_CONTROL_AE_ANTIBANDING_MODE,
> +		ANDROID_CONTROL_AE_EXPOSURE_COMPENSATION,
>  		ANDROID_CONTROL_AE_LOCK,
>  		ANDROID_CONTROL_AE_MODE,
>  		ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER,
> @@ -1961,7 +1962,7 @@ CameraDevice::getResultMetadata(Camera3RequestDescriptor *descriptor,
>  	 * Total bytes for JPEG metadata: 82
>  	 */
>  	std::unique_ptr<CameraMetadata> resultMetadata =
> -		std::make_unique<CameraMetadata>(41, 157);
> +		std::make_unique<CameraMetadata>(42, 161);
>  	if (!resultMetadata->isValid()) {
>  		LOG(HAL, Error) << "Failed to allocate static metadata";
>  		return nullptr;
> @@ -1980,6 +1981,10 @@ CameraDevice::getResultMetadata(Camera3RequestDescriptor *descriptor,
>  	value = ANDROID_CONTROL_AE_ANTIBANDING_MODE_OFF;
>  	resultMetadata->addEntry(ANDROID_CONTROL_AE_ANTIBANDING_MODE, &value, 1);
>  
> +	int32_t value32 = 0;
> +	resultMetadata->addEntry(ANDROID_CONTROL_AE_EXPOSURE_COMPENSATION,
> +				 &value32, 1);
> +
>  	value = ANDROID_CONTROL_AE_LOCK_OFF;
>  	resultMetadata->addEntry(ANDROID_CONTROL_AE_LOCK, &value, 1);
>  

-- 
Regards,

Laurent Pinchart


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