[FFmpeg-user] FFMPEG initial analysing delay

Gavin Kinsey gkinsey at ad-holdings.co.uk
Thu Sep 8 14:28:52 CEST 2011

On Thursday 08 September 2011 12:54:50 Sambhav wrote:
> Thanks. -probesize did reduce the initial analysing period.
> But still it has a delay of ~2 seconds.
> What is the unit of the probesize ? The minimum value it is taking is 32.

It's in bytes.

> Is there any way to avoid the initial probing ? I know all the parameters
> of the input file.

Not that I know of, short of writing your own app that uses the ffmpeg 
libraries.  It's the av_find_stream_info call that causes the delay, but 
ffmpeg always calls it.  How long it takes depends on the nature of the 

Gavin Kinsey
AD Holdings Plc

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