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Autres articles (63)

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    The table below is the list of Linux distributions compatible with the automated installation script of MediaSPIP. Distribution nameVersion nameVersion number Debian Squeeze 6.x.x Debian Weezy 7.x.x Debian Jessie 8.x.x Ubuntu The Precise Pangolin 12.04 LTS Ubuntu The Trusty Tahr 14.04
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Sur d’autres sites (11256)

  • How can I find out what this ffmpeg error code means ?

    27 septembre 2018, par Asik

    I’m using the function avcodec_decode_video2. On an encoding change in the stream, it returns -1094995529. The documentation only states :

    On error a negative value is returned, otherwise the number of bytes
    used or zero if no frame could be decompressed.

    But there doesn’t seem to be an enum of return codes or any other form of documentation. What does the error mean and how can I determine that in general ?

  • PHP FFMPEG not working when I upload mp4 file

    9 août 2013, par Chris

    To convert video to formats compatible with HTML5 video I wrote the following script :

        $srcFile = "name/of/the/video.mp4";
    
    $destFile = "/media/video/newfilename";
    
    $ffmpegPath = "/usr/local/bin/ffmpeg";
    
    $flvtool2Path = "/usr/local/bin/flvtool2";
    

    
    // Create our FFMPEG-PHP class
    
    $ffmpegObj = new ffmpeg_movie($srcFile);
    
    // Save our needed variables
    
    $srcWidth = makeMultipleTwo($ffmpegObj->getFrameWidth());
    
    $srcHeight = makeMultipleTwo($ffmpegObj->getFrameHeight());
    
    $srcFPS = $ffmpegObj->getFrameRate();
    
    $srcAB = intval($ffmpegObj->getAudioBitRate()/1000);
    
    $srcAR = $ffmpegObj->getAudioSampleRate();
    
    $srcVB = floor($ffmpegObj->getVideoBitRate()/1000); 
    

    

    
    // Call our convert using exec() to convert to the three file types needed by HTML5
    
    exec($ffmpegPath . " -i ". $srcFile ." -vcodec libx264 -vpre hq -vpre ipod640 -b ".$srcVB."k -bt 100k -acodec libfaac -ab " . $srcAB . "k -ac 2 -s " . $srcWidth . "x" . $srcHeight . " ".$destFile.".mp4");
    

    
    exec($ffmpegPath . " -i ". $srcFile ." -vcodec libvpx -r ".$srcFPS." -b ".$srcVB."k -acodec libvorbis -ab " . $srcAB . " -ac 2 -f webm -g 30 -s " . $srcWidth . "x" . $srcHeight . " ".$destFile.".webm");
    

    
    exec($ffmpegPath . " -i ". $srcFile ." -vcodec libtheora -r ".$srcFPS." -b ".$srcVB."k -acodec libvorbis -ab " . $srcAB . "k -ac 2 -s " . $srcWidth . "x" . $srcHeight . " ".$destFile.".ogv");

    It is supposed to take any input video type and convert it to mp4, ogv and webm. When I run the script on a .mov file it returns a mp4 and ogv file, but not webm. When I run it on a .mp4 file it returns no converted files at all. Is there something wrong with the way I am converting the files ? Any help ?

  • WMA decoding with ffmpeg failed

    24 novembre 2011, par Ali

    I have problem in decoding WMA/WMAPRO stream with ffmpeg.i have filled extra data from the coming stream.I am able to get bit rate, sample rate, extradata size and other parameters so there is no problem with the codecCtx initilization.

    avcodec_open(codecCtx, codec);

    returns -1

    Anyone help me !

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