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<th valign="BASELINE" nowrap="nowrap" align="RIGHT">Subject:
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<td>Re: Video backend selection</td>
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<th valign="BASELINE" nowrap="nowrap" align="RIGHT">Date: </th>
<td>Wed, 5 Jan 2022 16:51:37 +0100</td>
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<th valign="BASELINE" nowrap="nowrap" align="RIGHT">From: </th>
<td>Jesper K. Pedersen <a class="moz-txt-link-rfc2396E" href="mailto:jesper.pedersen@kdab.com"><jesper.pedersen@kdab.com></a></td>
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<th valign="BASELINE" nowrap="nowrap" align="RIGHT">To: </th>
<td>Tobias Leupold <a class="moz-txt-link-rfc2396E" href="mailto:tl@l3u.de"><tl@l3u.de></a>, <a class="moz-txt-link-abbreviated" href="mailto:kphotoalbum@kde.org">kphotoalbum@kde.org</a></td>
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On 1/5/22 10:15, Tobias Leupold wrote:<br>
<blockquote type="cite">Hi all,<br>
<br>
so here are my two cents ;-)<br>
<br>
I'm far from being a video power user. In my whole collection, I
have like 10<br>
videos or so. So I wasn't really interested much in this
feature, also because<br>
my database is no good foundation for testing.<br>
<br>
I think we _should_ have some material builtin video player. But
I would keep<br>
it as simple as possible. One of my use-cases for KPA is doing
some slide-<br>
projector show with the family on my TV screen. And there, it's
nice to be<br>
able to watch a short video clip without having to start an
external program.<br>
But after all, and here's where I agree a bit with Andreas, we
call it<br>
KPhotoAlbum and not KVideoAlbum. It's about photos.<br>
</blockquote>
Well, I'm sure you are the odd one out anyone with a camera also
takes lots of videos these days. Personally I have 27.000 images
and 1500 videos.<br>
<blockquote type="cite"><br>
Implementing a fully-blown video player seems to be a PITA, and
others have<br>
failed to do so, where the only purpose was to create a video
player. We have<br>
quite limited manpower (and in my case also quite limited
knowledge ;-) -- so<br>
again: I would keep it simple.<br>
</blockquote>
That I agree to.<br>
<blockquote type="cite"><br>
Dolphin has a video preview feature. Why not simply use what KDE
uses? If it<br>
works in Dolphin, in works in KPA. If it doesn't, one may want
to fix this,<br>
because the whole KDE thingy is somehow broken then.<br>
</blockquote>
<br>
Without looking, I would assume it uses phonon or Qt's own system.
Both are unfortunately broken. As said in my answer to Andreas, if
I watch 20 random videos from my collection recorded with at least
that many different cameras, one if not more will crash phonon.<br>
<br>
I for one, do not have neither the knowledge nor the time to fix
phonon upstream, and I believe that it is also largely
unmaintained these days.<br>
<br>
<blockquote type="cite"><br>
Maintaining different video backends, testing them and fixing
all kinds of<br>
stuff concerning video playback seems to me to be too much
off-topic for KPA.<br>
</blockquote>
<br>
Well, I would love one, but there isn't one that just works.<br>
<br>
Besides the integration is rather thing - one virtual class with a
few methods to implement.<br>
<br>
<blockquote type="cite">I personally would be totally fine with
what Dolphin does, maybe with the<br>
arrow and pgup/down keys to navigate a bit through the video,
and the spacebar<br>
to pause it. No volume adjustment, speed, whatever. And no
backend selection.<br>
After all, if it doesn't work inside KPA, I can still open it in
mplayer ...<br>
<br>
Cheers, Tobias<br>
</blockquote>
<br>
<br>
Thanks for your feedback too.<br>
<br>
<pre class="moz-signature">--
Jesper K. Pedersen | <a class="moz-txt-link-abbreviated" href="mailto:jesper.pedersen@kdab.com">jesper.pedersen@kdab.com</a>
HR Director / COO
Klarälvdalens Datakonsult AB, a KDAB Group company
Tel. Direct: +45 2726 8078, Sweden (HQ) +46-563-540090
KDAB - The Qt, C++ and OpenGL Experts
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