[libcamera-devel] [RFC PATCH] package/libcamera: Add libcamera package

[Kieran Bingham]

Hi All,

On 19/03/2019 11:03, Kieran Bingham wrote:
>   http://libcamera.org/
> 
> Cameras are complex devices that need heavy hardware image processing
> operations. Control of the processing is based on advanced algorithms
> that must run on a programmable processor. This has traditionally been
> implemented in a dedicated MCU in the camera, but in embedded devices
> algorithms have been moved to the main CPU to save cost. Blurring the
> boundary between camera devices and Linux often left the user with no
> other option than a vendor-specific closed-source solution.
> 
> To address this problem the Linux media community has very recently
> started collaboration with the industry to develop a camera stack that
> will be open-source-friendly while still protecting vendor core IP.
> libcamera was born out of that collaboration and will offer modern
> camera support to Linux-based systems, including traditional Linux
> distributions, ChromeOS and Android.
> 
> Signed-off-by: Kieran Bingham <kieran.bingham at ideasonboard.com>
> ---
> We do not yet have an official 'release', so I'm sending this as an
> early RFC, with
>   LIBCAMERA_VERSION = origin/master
> and no .hash file.
> 
> Is this still suitable to go in and be updated when we have a tagged
> release later?



As discussed on IRC, no - this is not acceptable. So I'll update this
with a specific commit hash (after I fix the compiler warning that
buildroot flushed out for us :D )


Any comments on the rest are welcome still of course!

--
Kieran


> 
> 
>  DEVELOPERS                     |  3 +++
>  package/Config.in              |  1 +
>  package/libcamera/Config.in    | 11 +++++++++++
>  package/libcamera/libcamera.mk | 13 +++++++++++++
>  4 files changed, 28 insertions(+)
>  create mode 100644 package/libcamera/Config.in
>  create mode 100644 package/libcamera/libcamera.mk
> 
> diff --git a/DEVELOPERS b/DEVELOPERS
> index c91325e28486..5bcdf208a62b 100644
> --- a/DEVELOPERS
> +++ b/DEVELOPERS
> @@ -1260,6 +1260,9 @@ F:	package/ramsmp/
>  N:	Kevin Joly <kevin.joly at sensefly.com>
>  F:	package/libgphoto2/
>  
> +N:	Kieran Bingham <kieran.bingham at ideasonboard.com>
> +F:	package/libcamera/
> +
>  N:	Koen Martens <gmc at sonologic.nl>
>  F:	package/capnproto/
>  F:	package/linuxconsoletools/
> diff --git a/package/Config.in b/package/Config.in
> index b5321aeb49c9..a9d25e58b202 100644
> --- a/package/Config.in
> +++ b/package/Config.in
> @@ -1472,6 +1472,7 @@ menu "Multimedia"
>  	source "package/libass/Config.in"
>  	source "package/libbdplus/Config.in"
>  	source "package/libbluray/Config.in"
> +	source "package/libcamera/Config.in"
>  	source "package/libdcadec/Config.in"
>  	source "package/libdvbcsa/Config.in"
>  	source "package/libdvbpsi/Config.in"
> diff --git a/package/libcamera/Config.in b/package/libcamera/Config.in
> new file mode 100644
> index 000000000000..c80f58c00f17
> --- /dev/null
> +++ b/package/libcamera/Config.in
> @@ -0,0 +1,11 @@
> +config BR2_PACKAGE_LIBCAMERA
> +	bool "libcamera"
> +	depends on BR2_INSTALL_LIBSTDCPP
> +	depends on BR2_TOOLCHAIN_HAS_THREADS
> +	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_7 # C++11
> +	depends on BR2_PACKAGE_HAS_UDEV
> +	help
> +	  libcamera provides a software stack to support complex devices that
> +	  need heavy hardware image processing operations.
> +
> +	  http://www.libcamera.org/
> diff --git a/package/libcamera/libcamera.mk b/package/libcamera/libcamera.mk
> new file mode 100644
> index 000000000000..4d908c7a3645
> --- /dev/null
> +++ b/package/libcamera/libcamera.mk
> @@ -0,0 +1,13 @@
> +################################################################################
> +#
> +# libcamera
> +#
> +################################################################################
> +
> +LIBCAMERA_VERSION = origin/master
> +LIBCAMERA_SITE = git://linuxtv.org/libcamera.git
> +LIBCAMERA_SITE_METHOD = git
> +LIBCAMERA_DEPENDENCIES = udev
> +LIBCAMERA_LICENSE = LGPL-2.0+
> +
> +$(eval $(meson-package))
> 

-- 
Regards
--
Kieran