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How use FFmpeg's codec parameters from VLC

Posted: 16 Mar 2010 17:00
by erotavlas_turbo
Hi,

I would like to know how can I set VLC to use specific FFmpeg codec parameters?

Thank you in advance

Re: How use FFmpeg's codec parameters from VLC

Posted: 17 Mar 2010 03:04
by Greg
Perhaps here

http://wiki.videolan.org/VLC_command-line_help
search ffmpeg

Some working examples here?

viewtopic.php?f=4&t=60947

pending what you want or mean?

Re: How use FFmpeg's codec parameters from VLC

Posted: 17 Mar 2010 09:42
by erotavlas_turbo
Thank you for your help.

I would like to use FFmpeg encoder instead of VLC encoder. VLC works great with H264 but It can't reduce the video quality with vb parameter when it uses H263p.

This is my command

Code: Select all

vlc image.jpg --fake-duration 7200000 --sout '#transcode{vcodec=H263p,fps=1,width=352,height=288,vb=50,acodec=none}:duplicate{dst=rtp{dst=IP,port-audio=12450,port-video=12592}}' --daemon
How can I modify it to use FFmpeg plus H263p with these parameters

* qmin=<quantizer> allows to set the minimum quantizer scale;
* qmax=<quantizer> allows to set the maximum quantizer scale;
* qscale=<quantizer scale> allows to specify a fixed quantizer scale for VBR encodings;
* i-quant-factor=<quantization factor> allows to set the quantization factor of I frames, compared to P frames;