I have blogged about recoding a screencast via VNC using vncrec-audio and record-visual. I just have a chance to try it out tonight. To install record-visual, I have to install its dependencies such as iconify, vncrec-audio, mencoder, and sls. In addition, I have to install jackd because vncrec-audio depends on this audio system.

It is actually a kind of wrapper to vncrec-audio and mencoder. In more detail, it automates following steps by just single command.

1. Run vncrec to capture VNC and audio
2. Run vncrec to export the VNC session file to a series of PNG image
3. Run mencoder to merge these PNGs into an AVI movie

xvidcap and FFmpeg both are far more faster because it produces movie instantly. I'm looking for a tool which directly encodes RFB stream from VNC session and audio from ALSA using FFmpeg instantly.

Tags: screencast, vncrec, vncrec-audio, record-visual, tecnnorati:mencoder, ffmpeg, jack, ubuntu, vnc