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how to know before downloading whether the moov atom is at the beginning or end #12143

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sant527 opened this issue Feb 15, 2017 · 4 comments
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@sant527
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@sant527 sant527 commented Feb 15, 2017

example link: "http://video.nationalgeographic.com/video/greenhouse-what-counts-env?gc=%2Fvideo%2Fenvironment%2Fenergy"

youtube-dl "http://video.nationalgeographic.com/video/greenhouse-what-counts-env?gc=%2Fvideo%2Fenvironment%2Fenergy"

How to know the whether the moov atom exist beginning or end of file.

Here the file is small. But in somecase the videos are 30MB+. I have to wait till the entire video is downloaded.

If i know the what type of file w.r.t moov atom then i can decide whether to download or not

@yan12125
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@yan12125 yan12125 commented Feb 15, 2017

how to know before downloading

Impossible. You can check whether moov is already there after the download just starts.

@yan12125 yan12125 closed this Feb 15, 2017
@sant527
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@sant527 sant527 commented Feb 15, 2017

how to check moov immediately after download starts. Any bash script

@yan12125
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@yan12125 yan12125 commented Feb 15, 2017

IIRC ffprobe will report an error is moov is missing

@sant527
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@sant527 sant527 commented Feb 15, 2017

Ok.

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