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• Expand (extend) a video to an specific duration [closed]

  1er octobre 2020, par BorrajaX

  Do VLC or FFmpeg (or AVconv) have any feature to force the duration of a video to a certain number of seconds ?

  



  Let's say I have a... 5 minutes .mp4 video (without audio). Is there a way to have any of the aforementioned tools "expanding" the video to a longer duration ? The video comes from a Power Point slideshow, but it's too short (running too fast, to say so). The idea would be automatically inserting frames so it reaches an specified duration. It looks like something pretty doable (erm... for a total newbie in video encoding/transcoding as I am) : A 5 minutes video, at 30fps means I have 9000 frames... To make it be 10 times longer, get the first "real" frame, copy it ten times, then get the second "real" frame, copy it ten times... and so on.

  



  I'm using Ubuntu 12.04, but I can install/compile any required software, if needed. So far, I have VLC, AVConv and FFmpeg (FFmpeg in an specific folder, so it won't conflict with AVConv)

  



  Thank you in advance.

  


• lavc/vaapi_encode : Don't return error if the underlying driver doesn't support B...

  6 février 2018, par Haihao Xiang

  lavc/vaapi_encode : Don't return error if the underlying driver doesn't support B frames
  The underlying driver need not support B frames - since they are enabled
  
  by default for some codecs, it is better to disable them rather than
  
  returning an error in this case.  This makes the default settings usable
  
  for low-power encoding on Intel platforms.
  Signed-off-by : Haihao Xiang <haihao.xiang@intel.com>
  
  Signed-off-by : Mark Thompson <sw@jkqxz.net>
  

  • [DH] libavcodec/vaapi_encode.c

• 3 million downloads for Piwik Analytics

  11 janvier 2017, par Matthieu Aubry — Community

  A testament to the power of our mission statement…

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  … Piwik has been downloaded more than 3 million times !

  

  Piwik is the most popular open analytics platform

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