[Interest] Chances of usable qtmultimedia on imx6?
Michael
auslands-kv at gmx.de
Fri Apr 18 17:45:54 CEST 2014
I have written some notes here:
https://community.freescale.com/docs/DOC-100419
They need to be approved by a local moderator. Might take a bit.
Michael
Am 18.04.2014 10:39, schrieb Auslands-KV:
> There is a (small) patch necessary for Qt5.3 to compile in Yocto and
> you need a couple of configuration variables, but otherwiese, it is
> pretty straight forward.
>
> I will post some notes on the freescale community as soon as I have
> everything fixed with Qt5.3. Currently my app does not play any
> videos, and I have no idea why. Could be a bug in Qt5.3, as it worked
> on 5.2.1.
>
> Concerning covertArtUr: No idea. I don't use this.
>
> Am 18.04.2014 09:16, schrieb Ramakanthreddy Kesireddy:
>>
>> Hello Michael,
>>
>>
>>
>> Have you used
>> http://www.yoctoproject.org/docs/current/yocto-project-qs/yocto-project-qs.html
>> to download Yocto BSP source and flash
>>
>> Yocto image on IMX6?
>>
>>
>>
>> I got to know from your update in the mailing list that you could
>> compile Qt5.3 on Yocto.
>>
>> Could you please post notes on the same if anything different from
>> the below guide?
>>
>>
>>
>> As I need to use Qt-Multimedia, is it possible to fetch audio
>> thumbnail using covertArtUrl in Qt5.3 as it had not been possible
>> earlier in 5.2?
>>
>>
>>
>> Thanks and Regards,
>>
>> Ramakanth
>>
>>
>>
>> *From:*Auslands-KV [mailto:auslands-kv at gmx.de]
>> *Sent:* Thursday, April 17, 2014 4:12 PM
>> *To:* Ramakanthreddy Kesireddy
>> *Subject:* Re: [Interest] Chances of usable qtmultimedia on imx6?
>>
>>
>>
>> If Qt5.1.1 is fine for you, you can simply follow this guide:
>>
>> http://wiki.wandboard.org/index.php/Building_Qt5_using_yocto_on_Wandboard
>>
>> Qt5.2.1 works the same, but using branch "master-next". And you need
>> to add:
>>
>> PACKAGECONFIG_append_pn-qtmultimedia = " gstreamer010"
>>
>> to your local.conf. Otherwise no gstreamer plugins will be built.
>>
>> When I get Qt5.3 working I will post a short tutorial.
>>
>> Cheers
>>
>> Michael
>>
>> Am 17.04.2014 12:36, schrieb Ramakanthreddy Kesireddy:
>>
>> Yes I do need QtMultimedia but at the moment, the usecase is
>> limited only to display of audio thumbnails and play/pause music
>> files.
>>
>> But before that, I would like to flash yocto genivi complaint on
>> IMX6 board as I had issues with LTIB.
>>
>>
>>
>> Could you please guide me the procedure to flash Yocto on IMX6
>> Sabre Auto board?
>>
>>
>>
>> Br,
>>
>> Ramakanth
>>
>>
>>
>> *From:*Auslands-KV [mailto:auslands-kv at gmx.de]
>> *Sent:* Thursday, April 17, 2014 4:00 PM
>> *To:* Ramakanthreddy Kesireddy
>> *Subject:* Re: [Interest] Chances of usable qtmultimedia on imx6?
>>
>>
>>
>> Hi
>>
>> Qt5.2 is pretty easy to get working, but the multimedia
>> performance is unusable. I'm currently trying to get Qt5.3beta
>> running.
>>
>> Do you need qtmultimedia?
>>
>> Cheers
>>
>> Michael
>>
>> Am 17.04.2014 11:24, schrieb Ramakanthreddy Kesireddy:
>>
>> Hi ,
>>
>>
>>
>> We are using IMX6 Sabre Auto board and tried to put yocto on
>> board but invain.
>>
>>
>>
>> Could you please let me know the steps to enable yocto on
>> board and then port Qt5.x on the same?
>>
>>
>>
>> Thanks and Regards,
>>
>> Ramakanth
>>
>>
>>
>> *From:*interest-bounces+ramakanthreddy_kesireddy=mahindrasatyam.com at qt-project.org
>> <mailto:interest-bounces+ramakanthreddy_kesireddy=mahindrasatyam.com at qt-project.org>
>> [mailto:interest-bounces+ramakanthreddy_kesireddy=mahindrasatyam.com at qt-project.org]
>> *On Behalf Of *Christoph Kurz
>> *Sent:* Thursday, April 17, 2014 2:36 PM
>> *To:* Auslands-KV; interest at qt-project.org
>> <mailto:interest at qt-project.org>
>> *Subject:* Re: [Interest] Chances of usable qtmultimedia on imx6?
>>
>>
>>
>> Auslands-KV <auslands-kv at gmx.de
>> <mailto:auslands-kv at gmx.de>> hat am 16. April 2014 um
>> 10:38 geschrieben:
>>
>> Hi Christoph
>>
>> That looks GREAT!!! Need to test that immediately. :-)
>>
>> You know by chance, if 5.3 is available on Yocto?
>>
>> Regards
>>
>> Michael
>>
>>
>> Am 16.04.2014 09:39, schrieb Christoph Kurz:
>>
>> > Hi
>> >
>> >I am looking for a nice small device used mainly for
>> a specialized
>> >digital signage solution. As software framework I
>> would like to use Qt5,
>> >as I really love Qt5 :-)
>> >
>> >I had a recent look at the imx6 solutions available,
>> and there are many
>> >devices out on the market at attractive price
>> points. The power of the
>> >CPU and the GPU should be totally sufficient for the
>> use case. So I
>> >tested Qt5 on it. The results are, however, pretty bad.
>> >
>> >While GL effects and shaders work nicely in Qt5.2.1,
>> qtmultimedia is
>> >extremely inefficient. Here are some examples
>> comparing gstreamer and Qt5:
>> >
>> >1. Playback of HD video (mpeg4):
>> >Gstreamer: < 10% CPU usage, perfect picture
>> >Qt5: 100% CPU usage, some frames are dropped,
>> somewhat usable
>> >
>> >2. Playback of full HD (FHD) video (h264):
>> >Gstreamer: < 20% CPU usage, perfect picture
>> >Qt5: 100% CPU usage, 90% of frames are dropped,
>> unusable
>> >
>> >3. Playback of rtsp webcam stream (640x480, h264):
>> >Gstreamer: < 5% CPU usage, nearly perfect pictures
>> >Qt5: 5-10% CPU usage (!), but >90% of frames are
>> dropped, unusable
>> >
>> >Gstreamer shows that the imx6 is perfectly capable
>> of playing these
>> >streams. Also, XBMC runs perfectly on it. So. it
>> definitely seems to be
>> >a matter of Qt integration with the imx6 platform
>> that is severely
>> >lacking.
>> >
>> >I am just wondering if there is a chance that
>> Qtmultimedia will be
>> >better integrated into the imx6 platform in the
>> (near) future, or if I
>> >should better look for a different platform (e.g.
>> bay trail?) ?
>> >
>> >Thanks for any comments
>> >
>> >Michael
>>
>>
>>
>> Have you tried Qt5.3? It should work there:
>> https://codereview.qt-project.org/#change,76764
>>
>> Sorry, I don't use Yocto, so I don't know...
>>
>> But if I had to guess, then I would say the setup should be
>> quite similar to 5.2.
>>
>>
>>
>> Regards,
>>
>> Christoph
>>
>>
>>
>>
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