[FFmpeg-user] Rtsp overlay and relay

[Roger Pack]

On Thu, Jan 1, 2015 at 1:59 AM, Axes-techsa <stephen at axes-techsa.co.za>
wrote:

> Hi
>
> I am using a Samsung exynos and my plan was to overlay text on live rtsp
> for an IP camera and sink it to another rtsp server so the h264 feed will
> have text from a file overlayed
> My question is can I get the overlay or filter on with the least amount i
> demuxing and decoding so I can reduce the latency as mush as possible
> I will use the codec copy but is there a way to get around the formatting
> and codecs as both input and output are the same
>
> Regards
>
> Stephen Valentine
> Technical
> Mobile 079-107-3493
> E-mail stephen at axes-techsa.co.za
>
>
>
>
>
>
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>
> > On 31 Dec 2014, at 05:17, Carl Eugen Hoyos <cehoyos at ag.or.at> wrote:
> >
> > Yafes Sahin <yafes7-at-yahoo.de <at> ffmpeg.org> writes:
> >
> >> ffmpeg -f dshow -i video="Blackmagic WDM Capture"
> >> -r 25 -codec copy -an -f mpegts udp://192.168.0.10:1234
> >> However is this command supposed to work?
>

what is your show_options for that device?
You may need to encode it, most people seem to do that:
https://trac.ffmpeg.org/wiki/StreamingGuide