From: David Goudou <david.goudou@gmail.com>
Subject: Re: ffmpeg-8.0 unable to play certain video formats
To: ports-bugs@openbsd.org, "Kirill A. Korinsky" <kirill@korins.ky>
Cc: ports@openbsd.org
Date: Mon, 3 Nov 2025 13:46:35 +0000

On 03 Nov 25 - 14:04, Kirill A. Korinsky wrote:
> On Mon, 03 Nov 2025 10:30:18 +0100,
> David Goudou <david.goudou@gmail.com> wrote:
> > 
> > Hi bugs@
> > 
> > Not sure if this is the right place to post but
> > 
> > updating to ffmpeg-8 rendered some videos unplayable w/ firefox
> > 
> > downgrading to 6.1.3 and all seems good, confirmed with firefox 144
> > and 144.0.2
> > 
> > breaking changes with ffmpeg, or firefox perhaps?
> 
> I've used a mirror with snapshot packages which contains quirks with this
> timestamp:
> 
> quirks-7.155 signed on 2025-11-02T14:11:53Z
> 
> I've installed firefox and I do have ffmpeg as:
> 
> firefox-144.0.2     Firefox web browser
> ffmpeg-8.0v1        audio/video converter and streamer
> 
> I can play a random video from youtube in this firefox.
> 
> If you can share an example public available video, it may help.
> 
> -- 
> wbr, Kirill

here's the error i encountered:

[Child 95605, MediaDecoderStateMachine #1]
WARNING: Decoder=d9fd0a9c000 Decode error:
NS_ERROR_DOM_MEDIA_METADATA_ERR (0x806e0006):
file /usr/obj/ports/firefox-144.0.2/firefox-144.0.2/dom/media/MediaDecoderStateMachineBase.cpp:168

example test video: https://justdavid.org/x3kja9d680zf1.mp4

youtube does play fine for me too

thanks