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Autres articles (61)

  • 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

  • Publier sur MédiaSpip

    13 juin 2013

    Puis-je poster des contenus à partir d’une tablette Ipad ?
    Oui, si votre Médiaspip installé est à la version 0.2 ou supérieure. Contacter au besoin l’administrateur de votre MédiaSpip pour le savoir

  • 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 (7591)

  • Why must FFmpeg's af_atempo filter be in the [0.5, 2.0] range ?

    19 juin 2018, par Theo Tian

    When I tried to use this filter with FFmpeg, I found the audio tempo argument must be in this range [0.5, 2.0].

    But I don’t understand why the audio tempo filter’s argument has to be in this range.

    Why does it have to be in this range ?

  • ffmpeg2theora parameter out of range

    12 mai 2014, par greg

    I’m trying to convert a mp4 file to ogg with ffmpeg2theora and I have a lot of "paramater out of range" :

    [NULL @ 0x633740] Value 4707126720094797824.000000 for parameter 'probesize' out of range
    
[NULL @ 0x633740] Value 4707126720094797824.000000 for parameter 'analyzeduration' out of range
    
[NULL @ 0x633740] Value 4697254411347427328.000000 for parameter 'indexmem' out of range

    something like 50 lines of that then :

    [mov,mp4,m4a,3gp,3g2,mj2 @ 0x633740] decoding for stream 0 failed
    
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x633740] Could not find codec parameters (Video: h264 (avc1 / 0x31637661), 440 kb/s)
    
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x633740] decoding for stream 1 failed
    
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x633740] Could not find codec parameters (Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo, s16, 128 kb/s)

    Am I missing something ? codecs maybe ?

    TIA

    greg

  • FFMPEG - How to trim video to length of 200 ms

    26 décembre 2018, par David C

    I am trying to trim a video with clips as short as 100 ms or 200 ms length (so I can merge them together later). They always end up at least about 1 second. I guess there is a minimum length, but i wonder if it is possible to still manage to get shorter videos.

    I have tried this on Windows with the most recent version of ffmpeg :

    ffmpeg -i video.mp4 -ss 00:00:01.700 -t 00:00:01.715 output.mp4

    I expect a video of the length of around 200 ms. Alternatively maybe there is a way to trim multiple clips and merge them directly into an output file.

    Thanks !

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