[FFmpeg-user] reduce laltency when streaming udp multicast

Andrey Utkin andrey.krieger.utkin at gmail.com
Wed Jun 19 15:38:43 CEST 2013

2013/4/16 Jacobs <jacobhameiri at gmail.com>:
>> ultrafast and zerolatency have no effect on mpeg4
>> encoding.
> -probesize and -analyzeduration are there because I am testing libx264 ang
> mpeg4. ( btw for less latency would you recommend mpeg4 or h264 ?)

Carl means when you use -vcodec mpeg4, your flags "-tune zerolatency
-preset ultrafast" do not have any effect.
If you use -vcodec libx264, they will have desired effect. So try
-vcodec libx264.

Andrey Utkin

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