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• FFMPEG : On Upload To Youtube The Video Starts At 0:06 (Shorter Than Original)

  9 novembre 2013, par mashup

  I uploaded a video MP4 to Youtube which was created by FFMPEG

  Unfortunately, all videos seem to be shorter than the original. I read all sorts of stuff about an moov atom and Youtube being unreliable, but I did not find the actual cause

  MP4 is supposed to be the preferred file format :
  https://support.google.com/youtube/answer/1722171?hl=en

  THE FILZE : Less Than 1MB ! Original Length : 24 seconds, Once Uploaded : 18 seconds

• format dav not convert [closed]

  5 décembre 2020, par Raphael Figueiredo

  I have this file that comes from of an unknown brand, however when I use the code that I am used to normally use in other models it does not work, appears format dav detected only with low score of 1 misdetection possible.
I use the following code :

  


  forfiles / s / M * .dav / C "cmd / c ffmpeg -i @file -vf setpts = 2.0 * PTS @ fname.avi -n"

  


  video download link

  


  https://drive.google.com/file/d/1fwQMA8gYu8pLwW5JJ2_MccWx7U3FDC3f/view?usp=sharing

  


  enter image description here

  


• Export GPS Points from Dash Cam with FFMPEG ?

  25 juillet 2021, par Steve

  I have a Garmin Dash Cam 35 that outputs an MP4 that appears to have the GPS data I need encoded in the MP4. I've seen claims that they're using SEI messages to do this, but using Intel Video Analyzer I'm not able to see those types of SEI messages.

  



  Does anyone know if they're likely using SEI messages or if I can export those SEI messages from the video using ffmpeg or any other command line tool ? Even if they're just in binary I may be able to figure out the structure.

  



  Edit : Sample video can be downloaded here (60MB) : https://drive.google.com/file/d/0B2o2cryfiWzANTJQdVJuNjY5SzQ/view?usp=sharing