Hi Jose,
Quoting Jose Quaresma (2026-05-06 12:15:48)
> vimc:
> Is a driver that emulates complex video hardware, and is
> useful for testing libcamera without needing access to a physical
> camera. We would like to add support to the libcamera vimc
> pipeline handler for multiple simultaneous streams, to ease
> testing of such mechanism. This also requires adding multistream
> support to the vimc driver in the Linux kernel.
>
> virtual:
> Is a specialized handler designed to create software-based,
> virtual camera devices. It allows for testing, debugging, and
> simulating camera pipelines without needing physical hardware,
> often producing test patterns (e.g., all green frames) via qcam.
> This enables developers to emulate camera sensors and
> Image Signal Processors (ISPs) within the libcamera
>
> Signed-off-by: Jose Quaresma <[email protected]>
> ---
> .../recipes-multimedia/libcamera/libcamera_0.6.0.bb | 8 ++++++--
> 1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/meta-multimedia/recipes-multimedia/libcamera/libcamera_0.6.0.bb
> b/meta-multimedia/recipes-multimedia/libcamera/libcamera_0.6.0.bb
> index 4dce26a5d0..1f9e21e45b 100644
> --- a/meta-multimedia/recipes-multimedia/libcamera/libcamera_0.6.0.bb
> +++ b/meta-multimedia/recipes-multimedia/libcamera/libcamera_0.6.0.bb
> @@ -28,12 +28,16 @@ PACKAGECONFIG[dng] = ",,tiff"
> PACKAGECONFIG[gst] = "-Dgstreamer=enabled,-Dgstreamer=disabled,gstreamer1.0
> gstreamer1.0-plugins-base"
> PACKAGECONFIG[pycamera] = "-Dpycamera=enabled,-Dpycamera=disabled,python3
> python3-pybind11"
> PACKAGECONFIG[raspberrypi] = ",,libpisp"
> +PACKAGECONFIG[vimc] = ",,"
> +PACKAGECONFIG[virtual] = ",,libyuv libjpeg-turbo"
>
> +ARM_PIPELINES = "imx8-isi,mali-c55,simple,uvcvideo"
> # Raspberry Pi requires the meta-raspberrypi layer
> # These values are coming from the project's meson.build file,
> # which lists the supported values by arch.
> -ARM_PIPELINES = "${@bb.utils.contains('PACKAGECONFIG', 'raspberrypi',
> 'rpi/pisp,rpi/vc4,', '', d)}"
> -ARM_PIPELINES .= "imx8-isi,mali-c55,simple,uvcvideo"
> +ARM_PIPELINES .= "${@bb.utils.contains('PACKAGECONFIG', 'raspberrypi',
> ',rpi/pisp,rpi/vc4', '', d)}"
> +ARM_PIPELINES .= "${@bb.utils.contains('PACKAGECONFIG', 'vimc', ',vimc', '',
> d)}"
> +ARM_PIPELINES .= "${@bb.utils.contains('PACKAGECONFIG', 'virtual',
> ',virtual', '', d)}"
These are not 'ARM' pipelines. Maybe they should be categorised
separately as test platforms ?
--
Kieran
>
> LIBCAMERA_PIPELINES ??= "auto"
> LIBCAMERA_PIPELINES:arm ??= "${ARM_PIPELINES}"
> --
> 2.54.0
>
>
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