[FFmpeg-user] FFMPEG initial analysing delay

Gavin Kinsey gkinsey at ad-holdings.co.uk
Wed Sep 7 14:40:42 CEST 2011

On Tuesday 06 September 2011 10:39:47 Sambhav wrote:
> ffmpeg -analyzeduration 0 -i vpipe  -analyzeduration 0  -i apipe  -vcodec
> copy -acodec copy  output.3gp
> It is taking around 2-3 seconds for the audio input(apipe) to be analysed
> after which it prints the input properties and then the actual packing
> into the container starts.
> When  "-analyzeduration 0 " is given, it almost takes 10sec to analyse
> the input.
> Is this the expected behaviour, or am I missing any parameter for it to
> start analyzing input without the initial huge delay ?


Gavin Kinsey
AD Holdings Plc

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