[FFmpeg-devel] [PATCH v10 0/6] Support enhanced flv in FFmpeg

Tristan Matthews tmatth at videolan.org
Thu Jun 1 20:57:52 EEST 2023

On Thu, Jun 1, 2023 at 2:08 AM Steven Liu <lingjiujianke at gmail.com> wrote:
> Tristan Matthews <tmatth at videolan.org> 于2023年6月1日周四 13:03写道:
> >
> > > you can publish hevc, av1 or vp9 codec stream to Youtube over rtmp.
> >
> > Were you able to push av1 or vp9 to Youtube with this patchset alone?
> I've tested push them after after this patchset, do you mean you get
> some problems after this patchset?

Yeah for me at least vp9 and av1 are falling over when I try to push
to youtube over RTMP, I was under the impression that beyond patching
the FLV muxer you'd also need to add a `fourCcList` to the connect
command of the rtmp muxer (see "Extending NetConnection connect
command" of https://github.com/veovera/enhanced-rtmp/blob/main/enhanced-rtmp-v1.pdf).

In any case that's not really the scope of this patchset and I don't
want to derail the discussion, muxing to an flv file works fine. I
just wanted to clarify what was possible with these changes and I'm
surprised that you were able to push to youtube live with this given
the above, as I am not.


> Thanks
> Steven
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