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• avformat : AviSynth demuxer rewrite

  27 novembre 2013, par d s

  avformat : AviSynth demuxer rewrite
  Directly loads AviSynth through LoadLibrary instead of relying on
  
  Video for Windows, and supports using AvxSynth (via dlopen) to
  
  open scripts on Linux and OS X.
  Error messages from AviSynth/AvxSynth are now reported through
  
  av_log and exit, rather than the traditional behavior of generating
  
  an error video that the user would need to watch to diagnose.
  The main rewrite was authored by d s <avxsynth.testing@gmail.com>
  
  from the AvxSynth team, with additional contributions by
  Oka Motofumi <chikuzen.mo@gmail.com>
  
  Stephen Hutchinson <qyot27@gmail.com>
  
  Diego Biurrun <diego@biurrun.de>
  
  Anton Khirnov <anton@khirnov.net>
  Signed-off-by : Anton Khirnov <anton@khirnov.net>
  

  • [DBH] configure
  • [DBH] libavformat/avisynth.c

• Install Piwik with 1-click using Installatron

  28 mars 2013, par Piwik team — Community

  We are proud to announce that Piwik Analytics is now available as one click install from Installatron !

  Installatron is a one-click web application installer that enables Piwik and other top web applications to be instantly installed and effortlessly managed. Get Piwik up and running on your website in seconds and discover just how easy Installatron makes it to manage web applications. Piwik installations managed by Installatron can updated (manually or automated), cloned, backed up and restored, edited to change installation parameters, and more.

  

  Many web hosting providers provide Installatron through their web hosting control panel. If Installatron is not available from your provider, you can use Installatron directly from Installatron.com.

  To install Piwik through your web hosting provider’s control panel (if available) :

  • Login to your web host’s control panel,
  • navigate to “Installatron”, click “Piwik”, and choose the “Install this application” option.
  • Change any of the install prompts to customize the install. For
    example, you can choose a different default language for Piwik.
  • Click the “Install” button to begin the installation process. You
    will be redirect to a progress page where you can watch as Piwik is
    installed within a few seconds to your website.

  

  You can also install Piwik directly from Installatron.com, by navigating to Piwik @Installatron and choose the “Install this application” option. After filling in your FTP and Mysql information, you will be redirect to a progress page where you can watch as Piwik is installed within a few seconds to your website. After the installation, you may wish to change your FTP, Mysql password.

  If you experience any problems or want to share your experience using Piwik and Installatron together, email the Installatron team at : feedback (at) installatron.com

• bash script fail when a command wait ffmpeg to finish

  5 novembre 2013, par d4r10

  In ubuntu 13.04 have a node.js server that launch for certain events, a script like this :

  #! /bin/bash
  
  ...
  
  ...
  
  
  
  avconv -i "$dir$video" -ss "$ss.000" -t $tt -threads 0 "$folder/$dif.webm"
  
  
  
  y_uid=$(/app/youtube-uploader "$folder/$dif.webm" "$label" "$desc" | grep 'watch' | sed 's/v=/ /g' | awk '{print$2}')
  
  
  
  echo "$y_uid" >> ~/log/yt.log
  
  ...
  
  ...

  if avconv (ffmpeg) process a small file (less then 30 minutes of encoding), the script works fine, but if avconv runs for hours, the next command "...youtube-uploader..." (that is a python based application) doesn't work (but if i try to launch it manually, it will go fine).

  I have also tried to launch the next command inside a loop that check if the variable "$y_uid" is empty, so it will try to repeat youtube-uploader until it find a right value, but it will continue to stay in background and will try forever.. (and it is strange, because if i try to launch the command manually, it works fine..).

  Summarizing, seems like that if avconv run for hours, the avconv process will generate a file that is not recognised or locked or a ghost file for the same script (but is recognised if the command is launched outside the script), if it is a small encoding, it will work fine.

  Unfortunatelly It is difficult to debug or test, because i have every time to wait for hours, please help !

  UPDATE

  I think the problem is related at the buffer size of node.js OR some other buffer that store the standard output of ffmpeg. Just correct

  avconv -i "$dir$video" -ss "$ss.000" -t $tt -threads 0 "$folder/$dif.webm"

  in

  avconv -i "$dir$video" -ss "$ss.000" -t $tt -threads 0 "$folder/$dif.webm" &> /dev/null

  so all the ffmpeg output not full the buffer memory and everythings go well