[Libav-user] "max_analyse_duration 5000000 reached at 5005000" what is it?

Alex Cohn alexcohn at netvision.net.il
Mon Aug 15 13:13:50 CEST 2011

On Mon, Aug 15, 2011 at 09:43, <amir.rouhi at rmit.edu.au> wrote:

> When i want to use ffmpeg for extracting raw images from some video stream
> with 1 second iterval i use the below command:
> d:\\ffmpeg -i D:\\myvideo1.mp4 -r 1 -f image2 -s 80x60 -pix_fmt yuv420p
> d:\\myVideoImages\\myvideoImg-
> %03d.y
> i use above command line in my c program by "system()" function. I call
> this function to run ffmpeg more than 1000 times in a loop.
> It seems the ffmpeg doing its work well but i see a yellow line among
> ffmpeg text on my screen which says:
> [mpeg @ ......] max_analyse_duration 5000000 reached at 5005000
> I want to know what does it mean and does it affect my process for
> extracting images from the video stream?

No, this warning does not affect extraction. It only means that ffmpeg does
not load the full file to analyze the stream(s).

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