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Autres articles (32)

  • Les autorisations surchargées par les plugins

    27 avril 2010, par

    Mediaspip core
    autoriser_auteur_modifier() afin que les visiteurs soient capables de modifier leurs informations sur la page d’auteurs

  • HTML5 audio and video support

    13 avril 2011, par

    MediaSPIP uses HTML5 video and audio tags to play multimedia files, taking advantage of the latest W3C innovations supported by modern browsers.
    The MediaSPIP player used has been created specifically for MediaSPIP and can be easily adapted to fit in with a specific theme.
    For older browsers the Flowplayer flash fallback is used.
    MediaSPIP allows for media playback on major mobile platforms with the above (...)

  • Support audio et vidéo HTML5

    10 avril 2011

    MediaSPIP utilise les balises HTML5 video et audio pour la lecture de documents multimedia en profitant des dernières innovations du W3C supportées par les navigateurs modernes.
    Pour les navigateurs plus anciens, le lecteur flash Flowplayer est utilisé.
    Le lecteur HTML5 utilisé a été spécifiquement créé pour MediaSPIP : il est complètement modifiable graphiquement pour correspondre à un thème choisi.
    Ces technologies permettent de distribuer vidéo et son à la fois sur des ordinateurs conventionnels (...)

Sur d’autres sites (4642)

  • Save Slow motion video with ffmpeg on android devices

    25 mars 2017, par nkalra0123

    I want to save videos in slow motion through my android app.I tried to convert videos into slow motion by changing frame rate.

    I used the following commands,first command is dumping 30 frames per second from videos to a temp directory, and then second command is using these images to create a video with reduced or faster frame rate and then i am deleting all the images from temp directory.

    ffmpeg -i input_file.mp4 -r 30/1 img%03d.png
    

    
ffmpeg -framerate 15/1 -i img%03d.png -r 30 -pix_fmt yuv420p out4.mp4

    But this is a very slow operation. It is taking like forever even for small videos.

    I even tried to change PTS(presentation time stamp) of videos, but it is not working properly on android phones
    using this command :

    ffmpeg -i input.mkv -filter:v "setpts=2.0*PTS" output.mkv

    as suggested here :
    https://trac.ffmpeg.org/wiki/How%20to%20speed%20up%20/%20slow%20down%20a%20video

    Can anybody suggest me how can i make it fast. Is it necessary to save frames to a temp directory, can i pass the output of ffmpeg process to another ffmpeg process executing concurrently through some method.

    Is there any other ffmpeg command to save the videos in slow motion ?

  • Revision 4ccfc7d517 : Save an extra call for setup_pred_plane function Reuse the yv12_mb array to fet

    4 février 2015, par Jingning Han

    Changed Paths :
     Modify /vp9/encoder/vp9_pickmode.c



    Save an extra call for setup_pred_plane function

    Reuse the yv12_mb array to fetch the buffer pointers/strides
    corresponding to the current reference frame.

    Change-Id : I5276b7494158b2cccef15213be2dc189e9036851

  • Adding metadata to mp3 file by PHP-FFMpeg doesn't save

    17 août 2017, par saeedhbi

    I’m using PHP-FFMpeg plugin for converting and saving mp3 files uploaded to my server and everything works great but metadata.

    This is my code

    $ffmpeg = FFMpeg\FFMpeg::create();
    
$audio = $ffmpeg->open($file_tmp);
    
$f_audio = new FFMpeg\Format\Audio\Mp3();
    

    
$f_audio->setAudioKiloBitrate($new_bitrate);
    

    
$audio->filters()->addMetadata(["title" => 'my title']);
    

    
$audio->save($f_audio, $path);

    File is created by custom bitrate but none of metadata has been assigned to file.

    Thanks for your help.

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