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Autres articles (37)

  • Submit bugs and patches

    13 avril 2011

    Unfortunately a software is never perfect.
    If you think you have found a bug, report it using our ticket system. Please to help us to fix it by providing the following information : the browser you are using, including the exact version as precise an explanation as possible of the problem if possible, the steps taken resulting in the problem a link to the site / page in question
    If you think you have solved the bug, fill in a ticket and attach to it a corrective patch.
    You may also (...)

  • Personnaliser les catégories

    21 juin 2013, par

    Formulaire de création d’une catégorie
    Pour ceux qui connaissent bien SPIP, une catégorie peut être assimilée à une rubrique.
    Dans le cas d’un document de type catégorie, les champs proposés par défaut sont : Texte
    On peut modifier ce formulaire dans la partie :
    Administration > Configuration des masques de formulaire.
    Dans le cas d’un document de type média, les champs non affichés par défaut sont : Descriptif rapide
    Par ailleurs, c’est dans cette partie configuration qu’on peut indiquer le (...)

  • 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 (...)

Sur d’autres sites (10703)

  • How to use ffmpeg.exe to produce a video with exact length for time from image sequence in C# ?

    28 avril 2016, par user2186102

    We try to use ffmpeg.exe to make a video from image sequence in C#. However, we can’t produce a video which has a predict length for time. For example, we want to produce a video whose length of time is one hour ; actually, the length of time is only 47 miniutes.

    According our understanding, the function, WriteVideoFrame(Bitmap frame, TimeSpan timestamp) of AForge.Video.FFMPEG, can solve this problem. It is because each input frame is associated with a timestamp.

    In ffmpeg.exe, however, we now can only use frame to as input of ffmpeg.exe.

    Who can show me how to write the command or parameters to input each image and the associated timestamp, the same to WriteVideoFrame(Bitmap frame, TimeSpan timestamp).

  • Mapping audio to video with ffmpeg with metadata length

    20 juin 2023, par Tomáš Kordoš

    I'm using node.js ffmpeg-static to map a video and an audio together.

    


    var VideoStream = ytdl(video, { filter: 'videoonly', quality: 'highestvideo' });
var AduioStream = ytdl(video, { filter: "audioonly", quality: 'highestaudio' });

const ffmpegProcess = cp.spawn(ffmpeg, [
  '-i', `pipe:3`,
  '-i', `pipe:4`,
  '-map', '0:v',
  '-map', '1:a',
  '-c:v', 'copy',
  '-c:a', 'aac',
  '-movflags', 'frag_keyframe',
  '-f', 'mp4',
  '-'
 ], {
  stdio: [
    'pipe', 'pipe', 'pipe', 'pipe', 'pipe',
  ],
});

VideoStream.pipe(ffmpegProcess.stdio[3]);
AduioStream.pipe(ffmpegProcess.stdio[4]);
ffmpegProcess.stdio[1].pipe(fs.createWriteStream('./out.mp4'));


    


    The saved file contains both audio and video as expected, But the length of the file is only 4 seconds when using -movflags frag_keyframe. Although the video continues after that (00:10 / 00:04)

    


    -movflags faststart Never works

    


    How do I automatically or manualy (Ytdl allows me to download the video length)set the length ?

    


    Thank you

    


  • Revision fb1f6f1db4 : Fix segment feature data type. It has a range of -255,255, so should be int16_t

    7 juin 2013, par Ronald S. Bultje

    Changed Paths :
     Modify /vp9/common/vp9_blockd.h



    Fix segment feature data type.

    It has a range of -255,255, so should be int16_t, not int8_t.

    Change-Id : I5ef4b6aefb6212b0f35f4754f3c4d73fddbc52a0

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