[FFmpeg-devel] modify ffplay for dumpstream in rtsp?

[Stefano Sabatini]

On date Tuesday 2015-10-06 11:27:31 -0400, compn encoded:
> On Tue, 6 Oct 2015 10:50:30 -0400
> compn <tempn at mi.rr.com> wrote:
> 
> > On Sun, 4 Oct 2015 18:37:31 +0200
> > Nicolas George <george at nsup.org> wrote:
> > 
> > > Le duodi 12 vendémiaire, an CCXXIV, compn a écrit :
> > > > he wants to play and dump at the same time. like vlc can. 
> > > > 
> > > > should this functionality be added to ffmpeg or ffplay?
> > > 
> > > ffmpeg can already display video on the fly, with the opengl, xv and
> > > sdl devices.
> > 
> > maybe we could make an example in the docs specifying how to do this.
> 
> oops, i see it in the bottom of xv outdev
> https://ffmpeg.org/ffmpeg-devices.html#Examples-14
> 
> > 
> > this works for me:
> > 
> > ffmpeg -i http://samples.ffmpeg.org/V-codecs/sn40sample.avi -i
> > http://samples.ffmpeg.org/V-codecs/sn40sample.avi -f sdl out.mp4 
> > 
> > is there a way to just use a single input to dump 1 file and display 1
> > sdl output? hmm, probably.
> 

> i didnt realize that "display" (as in -f sdl display) was an option i
> needed to pass. its not listed anywhere else in the documentation or
> options afaict. i thought it was referring to xv's "display_name"
> subopt.
> 
> should i send a patch to add the "display" option to each outdev
> documentation indicating this feature?

"display" is the output filename, and is required for each
output. There is no way to skip the output filename.
-- 
FFmpeg = Frenzy & Funny Magic Programmable Evil Guru