Monday, November 03, 2025

Re: ffmpeg-8.0 unable to play certain video formats

Le Mon, Nov 03, 2025 at 03:35:05PM +0100, Kirill A. Korinsky a écrit :
> On Mon, 03 Nov 2025 14:46:35 +0100,
> David Goudou <david.goudou@gmail.com> wrote:
> >
> > 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
> >
>
> I can play this video via ffplay and chromium. In firefox it says:
>
> > No video with supported format and MIME type found.
>
> ... it looks like a firefox bug, so added landry@ as CC

if the same video works w/ ffmpeg 6 then that's a regression from the
ffmpeg update used by firefox at runtime :)

(no, i wont be able to look into the details now)

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