[Interest] Moving to Qt Mobility

Daniel França daniel.franca at gmail.com
Sun Mar 11 23:01:20 CET 2012


Thank you, I'm gonna look this wrapper.

2012/3/11 Preet <prismatic.project at gmail.com>

> Hey Daniel,
>
> I haven't used libVLC before so I can't comment on using it with Qt. You
> can start here: http://wiki.videolan.org/LibVLC. I've used gstreamer
> before (only for audio), but there's an excellent Qt wrapper for gstreamer
> you can check out here if you're interested:
> http://gstreamer.freedesktop.org/wiki/QtGStreamer
>
>
> Regards,
>
> Preet
>
>
> 2012/3/11 Daniel França <daniel.franca at gmail.com>
>
>> Hi, thanks for the answer.
>> low level functions I mean things like:
>> get video fps
>> change things like if a video is showed interlaced, etc
>> render subtitles on video, etc.
>>
>> I think use VLC backend is a good option for me, is there good
>> documentation about that? If you could show me some start point for that
>> I'll be grateful =).
>>  Get a signature like this.
>> <http://r1.wisestamp.com/r/landing?promo=19&dest=http%3A%2F%2Fwww.wisestamp.com%2Femail-install%3Futm_source%3Dextension%26utm_medium%3Demail%26utm_campaign%3Dpromo_19> CLICK
>> HERE.<http://r1.wisestamp.com/r/landing?promo=19&dest=http%3A%2F%2Fwww.wisestamp.com%2Femail-install%3Futm_source%3Dextension%26utm_medium%3Demail%26utm_campaign%3Dpromo_19>
>>
>>
>>
>> 2012/3/11 Preet <prismatic.project at gmail.com>
>>
>>> Hi Daniel,
>>>
>>> You should clarify what you mean by 'low level functions'. Qt
>>> Mobility's Multimedia stuff uses gstreamer as a back end (at least on
>>> Linux desktop), but it doesn't give you much low level functionality.
>>> For that, you'd be better off using gstreamer, or vlc or another back
>>> end directly.
>>>
>>> As for the installation... Qt Mobility has been missing from the SDK
>>> for awhile now. I don't know if the latest SDK actually includes
>>> Mobility for desktop. The last time I used it, I grabbed the mobility
>>> source from the git repos and compiled/installed it that way.
>>>
>>> 2012/3/11 Daniel França <daniel.franca at gmail.com>:
>>> >> Hi all,
>>> >>
>>> >> at first I was using Phonon, but it has some limitations, and I've
>>> read
>>> >> that Phonon is not recommended anymore, then I'm trying to move to Qt
>>> >> Mobility - Multimedia, I can develop for desktop with that right?
>>> >>
>>> >> I need low level functions that Phonon can't provide, is it the right
>>> >> move?
>>> >>
>>> >>
>>> >> Second, I'm completely failing in try to install Qt Mobility.
>>> >>
>>> >> I've installed Qt4.8 from source... but it wasn't finding Qt Mobility
>>> >> headers/libs...
>>> >>
>>> >> then I've downloaded the Qt SDK, after some errors related
>>> >> here: https://bugreports.qt-project.org/browse/QTSDK-1181
>>> >>
>>> >> I installed (and Qt Mobility was selected).
>>> >>
>>> >> But I've opened Qt Creator, changed the toolchain for the new Qt
>>> >> installed...
>>> >>
>>> >> I've aded the .pro file lines:
>>> >>
>>> >> QT += core gui sql network
>>> >>
>>> >> CONFIG += mobility
>>> >>
>>> >> MOBILITY = multimedia systeminfo
>>> >>
>>> >>
>>> >> I've tried to follow this simples
>>> >> example: http://doc.qt.nokia.com/qtmobility/player-videowidget-h.html
>>> >>
>>> >>
>>> >>
>>> >>
>>> >> and no successful =/ it still can't find the QVideoWidget.
>>> >>
>>> >> ok, so I've find the QVideoWidget file and added manually the include
>>> path
>>> >> at INCLUDEPATH.
>>> >>
>>> >>
>>> >>
>>> >>
>>> >> Then it found the QVideoWidget.... but I got another error:
>>> >>
>>> >>
>>> QtSDK/Simulator/QtMobility/gcc/include/QtMultimediaKit/qvideowidget.h:47:
>>> >> error: qmobilityglobal.h: No such file or directory
>>> >>
>>> >>
>>> >>
>>> >>
>>> >>
>>> >> I thing it's some big mess in my installation... but I can't figure
>>> out
>>> >> what is this, anyone can help me?
>>> >>
>>> >>
>>> >>
>>> >>
>>> >>
>>> >> Best Regards,
>>> >>
>>> >> Daniel França
>>> >>
>>> >>
>>> >>
>>> >>
>>> >>
>>> >>
>>> >
>>> >
>>> >
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>>> > Interest mailing list
>>> > Interest at qt-project.org
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>>> >
>>>
>>
>>
>
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