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Autres articles (43)

  • Websites made ​​with MediaSPIP

    2 mai 2011, par

    This page lists some websites based on MediaSPIP.

  • 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" (...)

  • Support audio et vidéo HTML5

    10 avril 2011

    MediaSPIP utilise les balises HTML5 video et audio pour la lecture de documents multimedia en profitant des dernières innovations du W3C supportées par les navigateurs modernes.
    Pour les navigateurs plus anciens, le lecteur flash Flowplayer est utilisé.
    Le lecteur HTML5 utilisé a été spécifiquement créé pour MediaSPIP : il est complètement modifiable graphiquement pour correspondre à un thème choisi.
    Ces technologies permettent de distribuer vidéo et son à la fois sur des ordinateurs conventionnels (...)

Sur d’autres sites (8578)

  • ffmpeg with two input rtmp streams with overlay causing 5 sec delay

    13 juin 2019, par GoodStudent

    I’m using ffmpeg on merging two videos, using overlay taking input from two rtmp streams getting lag of 5 seconds in one of the videos in stream3 .

    Below is the command I’ve tried

    ffmpeg -i rtmp://stream1  -i rtmp://stream2  
    
       -filter_complex "[0:v]scale=1280:720;[1:v]scale=320:180[v1];[v0][v1]overlay=eof_action=pass[out1]" 
    
       -map [out1]   -f flv   rtmp://stream3

    I’m expecting less than 1 sec lag in overlay as individual streams are getting less than 1 sec lag

  • Revision 5daef90efc : skip un-neccessary motion search in the first pass This patch allows the encode

    4 juin 2014, par Pengchong Jin

    Changed Paths :
     Modify /vp9/encoder/vp9_firstpass.c



    skip un-neccessary motion search in the first pass

    This patch allows the encoder to skip the
    un-neccessary motion search in the first pass. It
    calculates the error of the zero motion vector using
    the last source frame as reference and skips the
    further motion search in the first pass if the error
    is small.

    The encoding speedup of the first pass for slideshow
    videos is over 30%. Borg test shows the overall PSNR
    performance remain approximately the same (derf -0.009,
    hd 0.387, yt 0.021, stdhd 0.065). Individual clips may
    have either PSNR gain or loss. The worst PSNR perfomance
    is from yt set, with a PSNR loss of -1.1.

    Change-Id : I08b2ab110b695e4689573b2567fa531b6457616e

  • How do I use ffmpeg on a directory of files and have the new files retain the same name, using Bash ? [duplicate]

    31 janvier 2021, par ktb

    hopefully this will be a relatively straightforward question.

    


    I have a directory of files. The files are mkv files that contain .vtt subtitles. I want to change the vtt subtitles into .srt subtitles. Ideally the mkv files should retain the same names at the end of the process.

    


    I have this Bash command that uses ffmpeg :

    


    ffmpeg -i input.mkv -c copy -c:s srt out.mkv


    


    This command works on an individual file, in terms of giving me a new file with the correct srt subtitles muxed in.

    


    However it does not :

    


      

    • let me wildcard the mkv file (I have to specify the input.mkv file)

      • 


    • let me keep the name of the original mkv file

      • 


    


    Could someone help please ? I'm thinking it would be a relatively simple Bash loop (for x in *.mkv...) but any help would be most gratefully received. I really want the output files to have the same name as the input files at the end of the process. Thank you.

    


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