On Tue, Aug 16, 2011 at 03:07, Rouhi Amirhossein < [email protected]> wrote:
> Thanks for your reply. But if the file(video) does not fully loaded, the > result would not be complete. isnt it? > No, no! The file is not fully loaded only in the stage of duration analysis. This has no effect on reading the stream sequentially to extract the frames you need. But why should you rely on my word? You can see it yourself, that the results span longer than 5005000 μs. Sincerely, Alex On 15 August 2011 21:13, Alex Cohn <[email protected]> wrote: > >> On Mon, Aug 15, 2011 at 09:43, <[email protected]> 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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