preview video while ffmpeg is recording
bsandrow-Re5JQEeQqe8AvxtiuMwx3w at public.gmane.org
Mon Nov 30 23:19:55 UTC 2009
mplayer might work better than vlc for your buffering issues.
There's even options to control the buffer size if you need to.
I would suggest Alsa or PulseAudio instead of OSS (I've always had
issues with OSS, esp crackling/etc in audio at times), but it looks
like ffmpeg might not support Alsa.
My suggestion would be to try mencoder for recording from your webcam.
There are some suggestions here under the iSight section for using
mencoder. ffmpeg or gstreamer (thought only the gstreamer suggestion
has a preview). There are also some webcam suggestions here.
You could probably just do what you are doing but with mencoder and
pipe it through tee to mplayer. Mplayer might have a better handle on
the video if you *don't* use an avi file (since it won't be indexed)
but it should play it fine nonetheless. You might want to tell
mplayer/vlc *not* to play back audio though (lest you end up with a
feedback loop or just an annoying replay of all the sounds you hear).
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