[FFmpeg-user] Transcode multicast IP video over ffmpeg

Carl Eugen Hoyos cehoyos at ag.or.at
Tue Apr 16 11:10:55 CEST 2013

Đặng Đức Hưng <ddhung <at> vasc.com.vn> writes:

> I have read in the codec x264 there is a encoding mode 
> which is pass 2 can improve the quality of the output 
> image. Could you support for me the step by step to 
> configure this pass 2 method. 
> Here is the command line I am using:
> C:/ffmpeg_32/bin/ffmpeg.exe -i udp://

I may misunderstand but I don't think 2-pass methods 
can be used for udp input.
Try different x264 speed presets to find the one that 
still is real-time but has best quality (and choose 
high profile if you interested in quality).

Carl Eugen

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