[FFmpeg-user] use ffmpeg to stream ffplay output?

Carl Eugen Hoyos cehoyos at ag.or.at
Sun Feb 9 11:16:57 CET 2014

DopeLabs <dopelabs <at> dubstep.fm> writes:

> ffplay -i http://shoutcast:port

(Complete, uncut console output missing which would 
make my example below more useful.)

> when run locally on my mac will provide a nifty graph 
> and waveform of the audio. is there any way to somehow
> hand that output to ffmpeg so i can stream it out?

What's wrong with using ffmpeg's sdl output device 
and streaming it at the same time?
$ ffmpeg -i http://shoutcast:port -filter_complex showwaves 
-pix_fmt yuv420p -f sdl 0 -map 0:0 -f mpegts udp://...

Carl Eugen

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