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package/gstreamer1/gst1-plugins-good: Enable GUDEV for V4L2 if available

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Video4Linux2 plugins can udev for device probing and monitor.
This greatly improves load time and monitoring performance.

It also enables hotplug monitoring for cameras.

gstreamer is libglib2-based; libgudev is libnglib2-based. So they both
have the same basic dependencies as liblib2 has, and thus propagating
the dependencies of libgudev is not necessary (but might be confusing in
the future, even though such a change is highly unlikely...)

Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
(cherry picked from commit f50086e59f)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Nicolas Dufresne 2020-06-07 21:00:26 -03:00 committed by Peter Korsgaard
parent a2c9c59d5d
commit 4a5b9dc6f1
2 changed files with 8 additions and 0 deletions
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1
package/gstreamer1/gst1-plugins-good/Config.in
View File

@ -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

7
package/gstreamer1/gst1-plugins-good/gst1-plugins-good.mk
View File

@ -354,6 +354,13 @@ 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