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#1 2017-10-22 08:11:15

conborua
Member
Registered: 2017-02-19
Posts: 2

YouTube playback doesn't work in Qt5 programs

I really don't know what the problem is, but since recent update, I can't play YouTube videos in otter-browser (a qt5-webkit based browser) and minitube. However, other video websites work in the browser, and YouTube works fine in Firefox, for instance. I tried downgrading few packages that came with the recent update and seemed related (qt5-multimedia and gst-plugins-bad), but it didn't help. I don't get any useful terminal output from the applications I mentioned. Do you know a way to troubleshoot it?

Last edited by conborua (2017-10-22 08:14:01)

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#2 2017-10-22 08:18:44

ugjka
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From: Latvia
Registered: 2014-04-01
Posts: 1,794
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Re: YouTube playback doesn't work in Qt5 programs

Does Qupzilla work?


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#3 2017-10-22 08:36:41

Rog131
Member
Registered: 2015-08-23
Posts: 90

Re: YouTube playback doesn't work in Qt5 programs

At here the qml mediaplayer stopped to play some formats (avi, mp4, ...) - http://doc.qt.io/qt-5/qml-qtmultimedia-mediaplayer.html .

As a workaround the downgrading of the package ffmpeg (1:3.4-1 => 1:3.3.4-1) seems to help.

Same thing with the otter-browser & youtube.  With the ffmpeg 1:3.4-1 the youtube is not working.

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#4 2017-10-22 08:52:18

conborua
Member
Registered: 2017-02-19
Posts: 2

Re: YouTube playback doesn't work in Qt5 programs

@ugjka It does work in Qupzilla, however it uses a separate set of codecs from qt5-webengine.
@Rog131 Thank you for your answer; when I downgraded ffmpeg, everything works well again. Is it a bug in ffmpeg?

Last edited by conborua (2017-10-22 09:01:16)

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#5 2017-10-22 21:15:04

SiGe
Member
Registered: 2013-03-19
Posts: 3

Re: YouTube playback doesn't work in Qt5 programs

I'm unable to play anything with ffmpeg 1:3.4-1 in kodi either
Downgrading fixes the issue as well.

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#6 2017-10-22 22:48:01

eschwartz
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Registered: 2014-08-08
Posts: 4,097

Re: YouTube playback doesn't work in Qt5 programs

Another instance of https://bugs.archlinux.org/task/56065

Also see the thread about Kodi: https://bbs.archlinux.org/viewtopic.php?id=231120

Qt5 makes use of gst-libav for its codecs, see here for another gst-libav program: https://bbs.archlinux.org/viewtopic.php?id=231116


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