[yocto] [meta-raspberrypi][PATCH 1/1] gstreamer1.0-plugins-bad: Build eglglessink for Raspberry Pi

[Alex J Lennon]

On 10/06/2014 19:48, Andrei Gherzan wrote:
> Hi Alex,
>
>
> On Mon, Jun 9, 2014 at 10:23 AM, Alex J Lennon
> <ajlennon at dynamicdevices.co.uk <mailto:ajlennon at dynamicdevices.co.uk>>
> wrote:
>
>     The eglglessink needs to be built to target the Raspberry Pi or it
>     will seg-fault in use.
>
>     Autoconf attempts to detect whether to build for RPi but there are
>     some include files needed, the search path to which must be specified.
>
>
> Format lines - max 78 chars per line.
>  
>
>
>     ref: https://github.com/raspberrypi/firmware/issues/34
>
>     ref: https://github.com/raspberrypi/firmware/issues/99
>
>     This patch adds the needed include paths and forces the plugin to
>     be built for Raspberry Pi.
>
>     With this patch the following pipeline works on RPi,
>
>     modprobe bcm2835-v4l2 gst_v4l2src_is_broken=1
>     gst-launch-1.0 --gst-debug-no-color v4l2src !
>     'video/x-raw,format=RGB,width=1280,height=720,framerate=(fraction)30/1'
>     ! eglglessink max-lateness=-1
>
>     Change-Id: I80826a43a428199b2a05ea51404ead24a815c38f
>     Signed-off-by: Alex J Lennon <ajlennon at dynamicdevices.co.uk
>     <mailto:ajlennon at dynamicdevices.co.uk>>
>     ---
>      recipes-multimedia/gstreamer/gstreamer1.0-plugins-bad_1.2.3.bbappend
>     | 1 +
>      1 file changed, 1 insertion(+)
>      create mode 100644
>     recipes-multimedia/gstreamer/gstreamer1.0-plugins-bad_1.2.3.bbappend
>
>     diff --git
>     a/recipes-multimedia/gstreamer/gstreamer1.0-plugins-bad_1.2.3.bbappend
>     b/recipes-multimedia/gstreamer/gstreamer1.0-plugins-bad_1.2.3.bbappend
>     new file mode 100644
>     index 0000000..199e0c1
>     --- /dev/null
>     +++
>     b/recipes-multimedia/gstreamer/gstreamer1.0-plugins-bad_1.2.3.bbappend
>     @@ -0,0 +1 @@
>     +EXTRA_OECONF += "
>     CPPFLAGS='-I${STAGING_DIR_TARGET}/usr/include/interface/vcos/pthreads
>     -I${STAGING_DIR_TARGET}/usr/include/interface/vmcs_host/linux'
>     --with-egl-window-system=rpi"
>
>
> This append should be done only for raspberrypi machine. Having this
> append (EXTRA_OECONF) for other machines too would
> break gstreamer1.0-plugins-bad as most of the times bblayers.conf
> includes many layers not always related to the MACHINE selected.

Absolutely. Our emails may have crossed here and if so my apologies, but
this is why I directed the .bbappend to [meta-raspberrypi] as that's
where it's needed.

Cheers,

Alex

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