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Sur d’autres sites (10104)

  • FFMpeg - Creating Thumbnail for Video file

    7 février 2016, par user1006460

    I am new to php. I have installed ffmpeg in my local iis.. Is it possible to generate a thumbnail image for a flv file.? Please help..

  • split the video in several part using ffmpeg

    2 février 2012, par Himiko

    I want to write a small program with help of ffmpeg. I want to process a video by cut the video into several parts, left part, right part...etc.
    How can I do it using ffmpeg ? By the way, are there any documentation explain the API of the ffmpeg ?

  • Video converted to FLV using FFMPEG gets 0 size

    11 novembre 2011, par Sudhir

    I'm trying to convert avi file to flv format using FFMPEG on server, but its giving me problems. On conversion, the file is converted to flv format but no data (0 kb size file). Tried debugging the code but could not. The FFMPEG is installed in CentOS, in path /usr/bin/ffmpeg, and i'm using following command for conversion :

    $srcFile = "/home/mydomain/public_html/demo/test/sample.avi" ;
$destFile = "/home/mydomain/public_html/demo/test/sample_again.flv" ;

    $ffmpegPath = "/usr/bin/ffmpeg" ;
    
$flvtool2Path = "/usr/local/bin/flvtool2" ;
    

    $command = $ffmpegPath . " -y -i " . $srcFile .  " -ar 32000 -ab 32000 -f flv -s 320x240 ".
    
$destFile . " | " . $flvtool2Path . " -U stdin " . $destFile ;
    

    exec($command, $output) ;
    
print_r($output) ;

    I tried doing :

    exec("which ffmpeg") ;

    And it gave me the path /usr/bin/ffmpeg, but get following error when i execute the code :

    Array ( 
[0] => ERROR : undefined method `timestamp' for nil:NilClass 
[1] => ERROR : /usr/local/cpffmpeg/lib/ruby/site_ruby/1.8/flv/stream.rb:285:in `lasttimestamp' 
[2] => ERROR : /usr/local/cpffmpeg/lib/ruby/site_ruby/1.8/flv/stream.rb:274:in `duration' 
[3] => ERROR : /usr/local/cpffmpeg/lib/ruby/site_ruby/1.8/flvtool2/base.rb:181:in `add_meta_data_tag' 
[4] => ERROR : /usr/local/cpffmpeg/lib/ruby/site_ruby/1.8/flvtool2/base.rb:137:in `update' 
[5] => ERROR : /usr/local/cpffmpeg/lib/ruby/site_ruby/1.8/flvtool2/base.rb:47:in `send' 
[6] => ERROR : /usr/local/cpffmpeg/lib/ruby/site_ruby/1.8/flvtool2/base.rb:47:in `execute !' 
[7] => ERROR : /usr/local/cpffmpeg/lib/ruby/site_ruby/1.8/flvtool2/base.rb:46:in `each' 
[8] => ERROR : /usr/local/cpffmpeg/lib/ruby/site_ruby/1.8/flvtool2/base.rb:46:in `execute !' 
[9] => ERROR : /usr/local/cpffmpeg/lib/ruby/site_ruby/1.8/flvtool2/base.rb:206:in `process_files' 
[10] => ERROR : /usr/local/cpffmpeg/lib/ruby/site_ruby/1.8/flvtool2/base.rb:44:in `execute !' 
[11] => ERROR : /usr/local/cpffmpeg/lib/ruby/site_ruby/1.8/flvtool2.rb:168:in `execute !' 
[12] => ERROR : /usr/local/cpffmpeg/lib/ruby/site_ruby/1.8/flvtool2.rb:228 
[13] => ERROR : /usr/local/bin/flvtool2:2:in `require' 
[14] => ERROR : /usr/local/bin/flvtool2:2 
)

    What could be the problem. Is this the problem of Flvtool2, if yes then what is it. Please suggest something

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