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

[Steven Liu]

在 2021年7月27日星期二，Hendrik Leppkes <h.leppkes at gmail.com> 写道：

> 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.

Third way about flv with hevc/av1/opus.  :D

>
> - Hendrik
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