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Autres articles (71)

  • 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 (...)

  • De l’upload à la vidéo finale [version standalone]

    31 janvier 2010, par

    Le chemin d’un document audio ou vidéo dans SPIPMotion est divisé en trois étapes distinctes.
    Upload et récupération d’informations de la vidéo source
    Dans un premier temps, il est nécessaire de créer un article SPIP et de lui joindre le document vidéo "source".
    Au moment où ce document est joint à l’article, deux actions supplémentaires au comportement normal sont exécutées : La récupération des informations techniques des flux audio et video du fichier ; La génération d’une vignette : extraction d’une (...)

Sur d’autres sites (12150)

  • Is there any way to concatinate multiple video and audio streams with offset ?

    17 avril 2019, par Demchenko Oleg

    I am sory for my english, it is not my mother language. My issue related to ffmpeg concatenation of audio and video streams. There are multiple audio and video streams which were recorded by online chat. All of them have start and end time points. If user turned off a micro or camera then audio and video streams wouldn’t be matched. How can I align all streams in one time series ? Can I add some white noise to separate the two videos ? Similar with audio.

  • How to calulate PTS and DTS ? C++

    27 janvier 2024, par kodoma

    I have a mkv file where I want to extract the video stream. While extracting, I got the "... non monotonically increasing dts to muxer ..." Warning/Error. I have tried multiple solutions that I found online, but I could never get the timing to be right.

    


    This is the beginning of the video stream :

    


    DTS: 0    PTS: 0    Duration: 41 
DTS: 375  PTS: 375  Duration: 41 
DTS: 209  PTS: 209  Duration: 41 
DTS: 42   PTS: 42   Duration: 41 
DTS: 83   PTS: 83   Duration: 41 
DTS: 125  PTS: 125  Duration: 41 


    


    I also extracted the stream via the FFmpeg executable, and the extracted video file has the same DTS and PTS as the source.

    


    So how do I calculate the DTS and PTS correctly ? If I don't change the timings, the video is the same length, but it is total garbage.

    


  • Curator of the Samples Archive

    13 mai 2011, par Multimedia Mike — General

    Remember how I mirrored the world-famous MPlayerHQ samples archive a few months ago ? Due to a series of events, the original archive is no longer online. However, me and the people who control the mplayerhq.hu domain figured out how to make samples.mplayerhq.hu point to samples.multimedia.cx.

    That means... I’m the current owner and curator of our central multimedia samples repository. Such power ! This should probably be the fulfillment of a decade-long dream for me, having managed swaths of the archive, most notably the game formats section.

    How This Came To Be

    If you pay any attention to the open source multimedia scene, you might have noticed that there has been a smidge of turmoil. Heated words were exchanged, authority was questioned, some people probably said some things they didn’t mean, and the upshot is that, where once there was one project (FFmpeg), there are now 2 projects (also Libav). And to everyone who has wanted me to mention it on my blog— there, I finally broke my silence and formally acknowledged the schism.

    For my part, I was just determined to ensure that the samples archive remained online, preferably at the original samples.mplayerhq.hu address. There are 10 years worth of web links out there pointing into the original repository.

    Better Solution

    I concede that it’s not entirely optimal to host the repository here at multimedia.cx. While I can offer a crazy amount of monthly bandwidth, I can’t offer rsync (invaluable for keeping mirrors in sync), nor can the server provide anonymous FTP or allow me to offer accounts to other admins who can manage the repository.

    The samples archive is also mirrored at samples.libav.org/samples. I understand that service is provided by VideoLAN. Right now, both repositories are known to be static. I’m open to brainstorms about how to improve the situation.

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