[Buildroot] [PATCH v3] package/gstreamer1/gst1-plugins-good: Enable GUDEV for V4L2 if available

Ezequiel Garcia ezequiel at vanguardiasur.com.ar
Thu Jul 2 20:54:53 UTC 2020


Gentle ping :-)

On Sun, 7 Jun 2020 at 21:01, Ezequiel Garcia
<ezequiel at vanguardiasur.com.ar> wrote:
>
> From: Nicolas Dufresne <nicolas.dufresne at collabora.com>
>
> Video4Linux2 plugins can udev for device probing and monitor.
> This greatly improves load time and monitoring performance.
>
> It also enables hotplug monitoring for cameras.
>
> Signed-off-by: Nicolas Dufresne <nicolas.dufresne at collabora.com>
> Signed-off-by: Ezequiel Garcia <ezequiel at collabora.com>
> ---
> v3:
> * Apply the dependency only if V4L2 plugins are enabled
> v2:
> * Enable/disable v4l2-gudev explicitly
>
>  package/gstreamer1/gst1-plugins-good/Config.in            | 1 +
>  package/gstreamer1/gst1-plugins-good/gst1-plugins-good.mk | 7 +++++++
>  2 files changed, 8 insertions(+)
>
> diff --git a/package/gstreamer1/gst1-plugins-good/Config.in b/package/gstreamer1/gst1-plugins-good/Config.in
> index 20aebc473e89..be77f5a82e3d 100644
> --- a/package/gstreamer1/gst1-plugins-good/Config.in
> +++ b/package/gstreamer1/gst1-plugins-good/Config.in
> @@ -295,6 +295,7 @@ config BR2_PACKAGE_GST1_PLUGINS_GOOD_PLUGIN_SHOUT2
>  config BR2_PACKAGE_GST1_PLUGINS_GOOD_PLUGIN_V4L2
>         bool "v4l2"
>         depends on BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_0 # multi planar api
> +       select BR2_PACKAGE_LIBGUDEV if BR2_PACKAGE_HAS_UDEV
>         help
>           elements for Video 4 Linux
>
> diff --git a/package/gstreamer1/gst1-plugins-good/gst1-plugins-good.mk b/package/gstreamer1/gst1-plugins-good/gst1-plugins-good.mk
> index 223af9850897..7bb2fa5f3720 100644
> --- a/package/gstreamer1/gst1-plugins-good/gst1-plugins-good.mk
> +++ b/package/gstreamer1/gst1-plugins-good/gst1-plugins-good.mk
> @@ -355,6 +355,13 @@ endif
>
>  ifeq ($(BR2_PACKAGE_GST1_PLUGINS_GOOD_PLUGIN_V4L2),y)
>  GST1_PLUGINS_GOOD_CONF_OPTS += -Dv4l2=enabled
> +# Enable use of gudev if available, for device probing and monitoring.
> +ifeq ($(BR2_PACKAGE_LIBGUDEV),y)
> +GST1_PLUGINS_GOOD_DEPENDENCIES += libgudev
> +GST1_PLUGINS_GOOD_CONF_OPTS += -Dv4l2-gudev=enabled
> +else
> +GST1_PLUGINS_GOOD_CONF_OPTS += -Dv4l2-gudev=disabled
> +endif
>  else
>  GST1_PLUGINS_GOOD_CONF_OPTS += -Dv4l2=disabled
>  endif
> --
> 2.26.0.rc2
>


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