From: Eric Nelson <eric.nelson@boundarydevices.com>
To: Otavio Salvador <otavio@ossystems.com.br>
Cc: "meta-freescale@yoctoproject.org"
<meta-freescale@yoctoproject.org>,
Rogerio Pimentel <B19259@freescale.com>
Subject: Re: [meta-fsl-arm][PATCH V3] qt4-embedded: Allow use of Qt Media Player in multi-headed system
Date: Sat, 24 Aug 2013 13:08:22 -0700 [thread overview]
Message-ID: <521912B6.5010901@boundarydevices.com> (raw)
In-Reply-To: <CAP9ODKqt+ssN-BLHY3G-Uoanaqassudu2dpVQzLWs8BGhKY21Q@mail.gmail.com>
On 08/24/2013 10:48 AM, Otavio Salvador wrote:
> On Mon, Aug 19, 2013 at 11:13 AM, Eric Nelson
> <eric.nelson@boundarydevices.com> wrote:
>> Qt-embedded can be used on multiple screens by using environment variables
>> QWS_DISPLAY, QWS_MOUSE_PROTO, et cetera.
>>
>> The gstreamer element mfw_v4lsink used to accelerate media playback on i.MX
>> devices can also be pointed at different displays through the 'device'
>> property, but the current acceleration patch doesn't have a mechanism for
>> setting the property, and always uses the compiled-in default.
>>
>> This patch allows userspace startup code to override the default through
>> the use of the 'v4lsinkdev' environment variable.
>>
>> Please refer to the Qt4-embedded documentation for proper usage of the
>> QWS_x environment variables and the Freescale Multimedia documentation
>> for descriptions of the various gstreamer elements.
>>
>> A sequence of this for a secondary display might be this:
>>
>> export QWS_DISPLAY=linuxfb:/dev/fb2:1
>> export v4lsinkdev=/dev/video19
>> my-qt-app -qws
>>
>> Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com>
>
> Applied to master; may you prepare same change for the X11 Qt4 recipe?
>
Yep. Done.
I hadn't noticed that the Phonon patches were in two places, so
I also created an include file to make any updates easier.
prev parent reply other threads:[~2013-08-24 20:08 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-19 14:13 [meta-fsl-arm][PATCH V3] qt4-embedded: Allow use of Qt Media Player in multi-headed system Eric Nelson
2013-08-24 17:48 ` Otavio Salvador
2013-08-24 20:08 ` Eric Nelson [this message]
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