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Autres articles (40)

  • Other interesting software

    13 avril 2011, par

    We don’t claim to be the only ones doing what we do ... and especially not to assert claims to be the best either ... What we do, we just try to do it well and getting better ...
    The following list represents softwares that tend to be more or less as MediaSPIP or that MediaSPIP tries more or less to do the same, whatever ...
    We don’t know them, we didn’t try them, but you can take a peek.
    Videopress
    Website : http://videopress.com/
    License : GNU/GPL v2
    Source code : (...)

  • 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 (7170)

  • Including the switch "-hls_flags temp_files" while encoding to HLS does nothing

    24 juillet 2019, par cloudhorn

    I’m trying to disable access to video segment files while they are still being converted. This is to stop my web-page from loading the unfinished segments.

    One solution that appeals to me is using the ’-hls_flags temp_files’ option that (according to the docs) initiates segments with the name ’filename.tmp’, and renames them only once the segment is complete. This is opposed to the standard ffmpeg behaviour where unfinished segments have the same name as the completed ones.

    Problem is I can’t get ’-hls_flags temp_files’ to do anything. Converting a video with :

    ffmpeg -i aerial.mov -g 60 -keyint_min 60 -sc_threshold 0 -f HLF -hls_time 2 -hls_list_size 0 -hls_flags temp_file aerial.m3u8

    produces the exact same output as running the same command line without ’-hls_flags temp_file’. Does anyone have experience using ’temp_file’ ?

    EDIT : Issue was solved by getting a static git build of ffmpeg, instead of the latest (4.1.1) release build I had, as pointed out by user Gyan :

    Micro version of release should be ignored. git master is branched off for minor and major bumps. Minor upgrades only have security fixes for the most part. Get a static git build. Get one from the left column at johnvansickle.com/ffmpeg

  • avformat/rtsp : Add https tunneling support

    22 mars 2019, par Jun Li
    avformat/rtsp : Add https tunneling support

    Add https based tunneling for RTSP/RTP. Tested on Axis and Bosch cameras.
    
Https is widely used for security consideration.
    • [DH] libavformat/rtsp.c
    • [DH] libavformat/rtsp.h

  • Use debug log from ffmpeg mpdecimate to remove frames of another input file

    30 juin 2020, par Preexo

    I have a security cam footage, which I'd like to remove all frames from which are don't contain any change. I followed the question and answer on Remove sequentially duplicate frames when using FFmpeg

    


    But my footage has a timestamp as part of the picture, so even if the image itself doesn't change, the timestamp still changes every second.

    


    My idea to ignore the timestamp for the mpdecimate option on ffmpeg :

    


      

    1. The original file is called security_footage.mp4

      2. 


    2. Crop the timestamp away, using IMovie, creates file : security_footage_cropped.mp4

      3. 


    3. Run ffmpeg -i security_footage_cropped.mp4 -vf mpdecimate -loglevel debug -f null - > framedrop.log 2>&1 to get a log of all frames that are to drop from the file

      4. 


    4. Somehow apply the log framedrop.log of security_footage_cropped.mp4 to the original file security_footage.mp4.

      5. 


    


    Question1 : Anyone has a good idea how I could do number 3 ? Apply the mpdecimate filter log onto another video file.

    


    If not, anyone has a good idea how to run mpdecimate with ignoring the timestamp in the top left corner ?

    


    Thanks in advance for any help !

    


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