[libcamera-devel] [PATCH v2 2/5] android: camera_stream: Create allocator unconditionally

Laurent Pinchart laurent.pinchart at ideasonboard.com
Thu Jun 2 09:56:36 CEST 2022


Hi Paul and Jacopo,

Thank you for the patch.

On Fri, May 27, 2022 at 06:34:37PM +0900, Paul Elder via libcamera-devel wrote:
> From: Jacopo Mondi <jacopo at jmondi.org>
> 
> With the introduction of PlatformBufferAllocator all CameraStream can
> be used to allocate buffers on-demand.

It's been a while, so I don't recall how the two are related. It would
be nice to extend the commit message to explain this better.

> Create CameraStream::allocator_ and the associated mutex for all types
> of stream.
> 
> Signed-off-by: Jacopo Mondi <jacopo at jmondi.org>
> 
> ---
> No change in v2
> 
> If we want to make CameraStream::mutex_ into non-pointer (as Hiro
> suggested), it should be done on top. Do we want to do that? (I suppose
> it doesn't affect this patch itself)

It would be nice to do so on top indeed.

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

> ---
>  src/android/camera_stream.cpp | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/src/android/camera_stream.cpp b/src/android/camera_stream.cpp
> index 154e088e..045e6006 100644
> --- a/src/android/camera_stream.cpp
> +++ b/src/android/camera_stream.cpp
> @@ -128,10 +128,8 @@ int CameraStream::configure()
>  		worker_->start();
>  	}
>  
> -	if (type_ == Type::Internal) {
> -		allocator_ = std::make_unique<PlatformFrameBufferAllocator>(cameraDevice_);
> -		mutex_ = std::make_unique<Mutex>();
> -	}
> +	allocator_ = std::make_unique<PlatformFrameBufferAllocator>(cameraDevice_);
> +	mutex_ = std::make_unique<Mutex>();
>  
>  	camera3Stream_->max_buffers = configuration().bufferCount;
>  

-- 
Regards,

Laurent Pinchart


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