[FFmpeg-devel] [PATCH] libavformat/flvdec: add HEVC demuxing support

[Hendrik Leppkes]

On Mon, Jul 26, 2021 at 5:16 PM Gyan Doshi <ffmpeg at gyani.pro> wrote:
>
>
>
> On 2021-07-26 19:49, Steven Liu wrote:
> > 在 2021年7月26日星期一，Gyan Doshi <ffmpeg at gyani.pro> 写道：
> >
> >>
> >> On 2021-07-26 16:39, Steven Liu wrote:
> >>
> >>> 2021年7月26日 下午6:57，Gyan Doshi <ffmpeg at gyani.pro> 写道：
> >>>> Are you referring to the choice of FLV_CODECID values?
> >>>>
> >>> Not only, you can find whole history on:
> >>>
> >>> https://lists.ffmpeg.org/pipermail/ffmpeg-devel/
> >>> https://trac.ffmpeg.org/ticket/6389
> >>> https://trac.ffmpeg.org/ticket/3581
> >>>
> >> try play this sample in ticket
> >> The objections mainly center on compliance with Adobe's spec which is a
> >> concern when muxing.
> >>
> >> no not only muxing, it’s format spec, and no documentation said which
> > codec id is hevc. 10?11?12?13?14?15? How do you make sure which one is hevc
> > from users flv? This is very unreasonable.
>
> By making it a user option: ffmpeg -f flv -hevc_id 12 -i rtmp://...
>
>

Which just screams ugly hack even more then anything else.
Maybe FLV should just export any unknown streams as data and the user
can just deal with identifying and using them.

- Hendrik