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

Rouhi Amirhossein s3288736 at student.rmit.edu.au
Tue Aug 16 02:07:45 CEST 2011

Thanks for your reply. But if the file(video) does not fully loaded, the
result would not be complete. isnt it?

On 15 August 2011 21:13, Alex Cohn <alexcohn at netvision.net.il> wrote:

> 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).
> BR,
> Alex
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Amir H. Rouhi
PhD Student/ CSIT RMIT University
Room: 14-09-04
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