<div dir="ltr">Using the latest version of the Opera ffmpeg codecs (0.63.1) in the repository, rather than the one in Slackbuilds (0.44.1) solves the problem.</div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, May 6, 2022 at 6:50 AM Heiko Rosemann <<a href="mailto:heiko.rosemann@web.de">heiko.rosemann@web.de</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">On 5/6/22 02:59, Luveh Keraph wrote:<br>
> I upgraded the Opera browser a few days ago to the latest version in <br>
> SlackBuilds (86.0.4363.23) in my Slackware64 15.0 box. After this <br>
> upgrade, it won't launch:<br>
> <br>
> $ opera<br>
> opera: symbol lookup error: opera: undefined symbol: av_stream_get_first_dts<br>
> <br>
> An online search reveals that, according to some, the issue is the Opera <br>
> FFMPEG codecs. I do have the latest of such codecs from SlackBuilds, <br>
> which I upgraded last 16 March. I am a bit skeptical that this is indeed <br>
> the root cause, but I thought I'd mention it anyway.<br>
<br>
I can confirm this.<br>
<br>
Removing opera-ffmpeg-codecs allows opera to launch, but then it doesn't <br>
play any videos any more (obviously).<br>
<br>
Heiko<br>
<br>
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