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Autres articles (35)

  • Support de tous types de médias

    10 avril 2011

    Contrairement à beaucoup de logiciels et autres plate-formes modernes de partage de documents, MediaSPIP a l’ambition de gérer un maximum de formats de documents différents qu’ils soient de type : images (png, gif, jpg, bmp et autres...) ; audio (MP3, Ogg, Wav et autres...) ; vidéo (Avi, MP4, Ogv, mpg, mov, wmv et autres...) ; contenu textuel, code ou autres (open office, microsoft office (tableur, présentation), web (html, css), LaTeX, Google Earth) (...)

  • 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 : (...)

  • Keeping control of your media in your hands

    13 avril 2011, par

    The vocabulary used on this site and around MediaSPIP in general, aims to avoid reference to Web 2.0 and the companies that profit from media-sharing.
    While using MediaSPIP, you are invited to avoid using words like "Brand", "Cloud" and "Market".
    MediaSPIP is designed to facilitate the sharing of creative media online, while allowing authors to retain complete control of their work.
    MediaSPIP aims to be accessible to as many people as possible and development is based on expanding the (...)

Sur d’autres sites (7424)

  • FFmpeg Video Merging Length Issue

    1er avril 2014, par Sanket990

    I have created 2 file 1)first.mp4 and 2) test.mp3 when i am merging this file and created one new video .video is created perfectly done but getting one problem (Audio Problem)

    Two file description
    first.mp4 in video Length -30Sec
    test.mp4 in audio Length -10Sec

    How to handle remaining new video in 10Sec after audio not listen problem any way to handle this type of problem or Any way to detect if remaining 20Sec audio set as first.mp4 video length 20Sec to 30Sec audio length set

    I am executing below command

    String videoWithAudio[] = { "ffmpeg", "-i", "/sdcard/first.mp4", "-i",
    
                    "/sdcard/test.mp3", "-c:v", "copy", "-c:a", "aac",
    
                    "-strict", "experimental", "-map", "0:v:0", "-map",
    
                    "1:a:0", "/sdcard/jointAb.mp4" };

  • How to stretch the WAV file to the same video length ?

    5 octobre 2016, par Michael Heuberger

    So yeah, having a tricky ffmpeg issue here.

    In my app I’m encoding a video based on image frames and add a WAV file for the sound from the same source but through a different web socket. It can happen that the WAV file doesn’t always have exactly the same length as the video based on those images + fps (plus minus few seconds).

    How can I tell ffmpeg to "stretch" the input WAV file to have it the same length as the video ?

    In short : images (i) + WAV (w) = final video (v)

    length(w) != length (v) ... which is causing problems.

    Here an example ffmpeg command I am currently using :

    ffmpeg -f image2 -thread_queue_size 512 -framerate 21.5 -i
    /frames/%d.webp -i videomail_preview.wav -y -acodec aac -strict
    experimental -ac 1 -vcodec libx264 -crf 16 -preset fast -profile:v
    baseline -pix_fmt yuv420p -loglevel warning -movflags +faststart
    videomail_good.mp4 -acodec libvorbis -ac 1 -vcodec libvpx -crf 8
    -deadline good -cpu-used 1 -pix_fmt yuv420p -loglevel warning -movflags +faststart videomail_good.webm

    Any suggestions/trick I am unaware of ?

  • avfilter/vf_alphamerge : warn if input not full range

    27 octobre 2023, par Niklas Haas
    avfilter/vf_alphamerge : warn if input not full range

    Alpha planes must always be full range, so complain loudly if fed
    
limited range grayscale input.
    • [DH] libavfilter/vf_alphamerge.c

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