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Autres articles (67)

  • Les vidéos

    21 avril 2011, par

    Comme les documents de type "audio", Mediaspip affiche dans la mesure du possible les vidéos grâce à la balise html5 .
    Un des inconvénients de cette balise est qu’elle n’est pas reconnue correctement par certains navigateurs (Internet Explorer pour ne pas le nommer) et que chaque navigateur ne gère en natif que certains formats de vidéos.
    Son avantage principal quant à lui est de bénéficier de la prise en charge native de vidéos dans les navigateur et donc de se passer de l’utilisation de Flash et (...)

  • Creating farms of unique websites

    13 avril 2011, par

    MediaSPIP platforms can be installed as a farm, with a single "core" hosted on a dedicated server and used by multiple websites.
    This allows (among other things) : implementation costs to be shared between several different projects / individuals rapid deployment of multiple unique sites creation of groups of like-minded sites, making it possible to browse media in a more controlled and selective environment than the major "open" (...)

  • Websites made ​​with MediaSPIP

    2 mai 2011, par

    This page lists some websites based on MediaSPIP.

Sur d’autres sites (12704)

  • libFLAC/bitreader.c : Remove redundant/incorrect comment.

    27 juillet 2014, par Erik de Castro Lopo
    libFLAC/bitreader.c : Remove redundant/incorrect comment.

    This comment should have been removed in commit eb0c5a37.
    

    Patch-from : lvqcl <lvqcl.mail@gmail.com>
    • [DH] src/libFLAC/bitreader.c

  • Batch Merge Large Number of Video Files by Pair

    16 février 2021, par dellyice

    I have a directory full of 1000+ short h.264 video clips that I'd like to batch merge via ffmpeg one pair at a time in Windows (eg, file1.mp4 is concatenated with file2.mp4, then file3.mp4 is concatenated with file4.mp4, etc, to ultimately produce half as many resultant videos, each containing two merged parent clips), and everything I've tried from fudging together scripts from other answers on the site has resulted in messes too embarrassing to mention.

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    Each pair of videos is cut from a common source vid, so the concat demuxer should be fine for merging them. If it helps, each set of videos follows the naming scheme "filename"_1.mp4 and "filename"_2.mp4, so they're correctly paired alphabetically, and the _1 and _2 files can obviously be easily separated into different folders if need be.

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    Sorry if any of this is terribly vague. If I had any productive work to show, I'd do so. Many thanks for any help.

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  • ffmpeg cut the video and get accurate begining time of the result

    1er décembre 2022, par Pavlo Sharhan

    I do the cut via :

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    ffmpeg -i  long_clip.mp4 -ss 00:00:10.0 -c copy -t 00:00:04.0 short_clip.mp4&#xA;

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    I need to know the precise time where did the ffmpeg do the cut (Time of the closest keyframe before the 00:00:10.0)

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    Currently, I'm using the following ffprobe command to list all the keyframes and select the closest before 00:00:10.0

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    ffprobe -show_frames -skip_frame nokey long_clip.mp4&#xA;

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    It works extremely slow (I run It on Jetson Nano, and It is a few minutes to list the keyframes for 30 sec video, although the cutting is done in 0.2seconds)

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    I hope there is the much faster way to know the time of the keyframe where ffmpeg does the cut, at least because ffmpeg seeks to this keyframe and cuts the video less than in half a second.

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    So in other words the question is : How to get the time of the keyframe where ffmpeg does the cut not listing all the keyframes ?

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