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• Changed metadata print option to accept general urls

  8 juillet 2016, par Sami Hult

  Changed metadata print option to accept general urls
  This is an - once again - updated patch, that uses avio_write instead
  
  of avio_puts to stream clean text output without null characters. Works
  
  now for me as intended.
  Changes metadata filter to accept general urls as file argument without
  
  breaking former behaviour. As a byproduct, it also allows for writing to
  
  file "-" if specified as "file :-".
  Example :
  ffmpeg -i test.wav -filter_complex "silencedetect=n=-40dB:d=0.1,ametadata=mode=print:file=’pipe\:4’" -f null
  Signed-off-by : Sami Hult <sami.hult@gmail.com>
  
  Reviewed-by : Paul B Mahol <onemda@gmail.com>
  
  Signed-off-by : Michael Niedermayer <michael@niedermayer.cc>
  

  • [DH] Changelog
  • [DH] doc/filters.texi
  • [DH] libavfilter/f_metadata.c

• Intsallation of ffmpeg-php on Amazon Ec2 Linux AMI

  1er décembre 2015, par Tanny

  I am about two days into attempting to install FFMPEG-php with dependencies on an AWS EC2 instance running the Amazon Linux AMI. I’ve installed FFMPEG, and have read reportedly successful instructions on installing on Red Hat/Fedora. I have followed a number of tutorials and forum articles to do so, but have had no luck yet. As far as I can tell, the main problems are as followed :

  I have installed all the dependency for ffmpeg-php. I run the following command successfully.

  $wget http://downloads.sourceforge.net/project/ffmpeg-php/ffmpeg-php/0.6.0/ffmpeg-php-0.6.0.tbz2
  $tar xvfj ffmpeg-php-0.6.0.tbz2
  $phpize

  But when I run the following command it throw the error like below :

  $sudo ./configure

  configure : error : ffmpeg shared libraries not found. Make sure ffmpeg is compiled as shared libraries using the —enable-shared option}

  I have used enable shared option with shared enable option but it throw the same error.

  On to my question : Has anyone successfully installed FFMPEG-php on Amazon Linux ? Is there a fundamental incompatibility ? If anyone could share specific instructions on installing ffmpeg-php on amazon linux I would be greatly appreciative. Any other insights/experiences would also be appreciated.

• getting ffmpeg to listen on specific port on amazon ec2

  12 juillet 2013, par user1913115

  I have a streaming device which can stream to any udp address/port, so if i set it up on my network , and open ffmpeg with this command :

  ffmpeg -f mpegts -i 'udp://0.0.0.0:2223?fifo_size=1000000&overrun_nonfatal=1' -re -y -strict experimental -vcodec copy -f mp4 main.mp4

  it works fine, i get the main.mp4 file recorded.
  also, when i check lsof -i it shows that ffmpeg is listening on port 2223

  however, when i run the same command on amazon ec2, it doesn't record anything. i checked, the port 2223 is open in the security group. and if i run this command, it gets packets fine :

  nc -u -l 2223

  however when i run lsof -i in amazon ec2 it shows that ffmpeg is listening to a random UDP port (e.g. 42195) every time
  has anyone run into this problem ?