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

[Alex J Lennon]

On 11/06/2014 00:22, Alex J Lennon wrote:
>
> 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.

Andrei - Upon further reflection I see what you mean. Somebody might
well include the meta-raspberrypi layer, yet not be building for the
Raspberry Pi. Not something I'd considered. I'll re-work the patch to
take this into account.

Cheers, Alex

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