[FFmpeg-user] is there any way to abort ffmpeg if source bitrate gets too low

[andrei ka]

yep, guess i'll have try to play with tsduck for my needs, it has tools
that inspect and switch ts stream inputs on the fly.
i need a solution asap, so, coding a patch is not feasible...kinda shame
that our omnicapable ffmpeg doesn't have more
extensive source properties controls...

On Wed, Jul 29, 2020 at 11:26 AM Valentin Schweitzer <vs at nativewaves.com>
wrote:

> On 28/07/2020 18:37, andrei ka wrote:
> > hi all
> >
> > i have multicast sources that sometimes actually switch to  just static
> > images encoded at very low bitrates, bitrate drops from 2Mbps when it's a
> > decent signal to 500kbps when it's static. so, I don't know how to detect
> > it on a fly, ffmpeg keeps happily encoding. Wish we had some input filter
> > with bitrate caps... running  a probe process in background and killing
> > ffmpeg is so ugly to me... any ideas how to do it without help from bash
> ?
> >
> > cheers, &rei
>
> hi,
>
> I sadly dont have a solution for automatically killing FFmpeg,
> but for finding out when the stream switches to a static image
> you could try the freezedetect filter:
> https://ffmpeg.org/ffmpeg-filters.html#freezedetect
>
> I hope that helps and good luck,
> Valentin
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