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Autres articles (36)

  • Les autorisations surchargées par les plugins

    27 avril 2010, par

    Mediaspip core
    autoriser_auteur_modifier() afin que les visiteurs soient capables de modifier leurs informations sur la page d’auteurs

  • 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 : (...)

Sur d’autres sites (8253)

  • ffmpeg extract frame timestamps from video

    10 août 2021, par TheOtherguyz4kj

    I am using this library to use FFmpeg with my Android application. I am extracting frames from a video and then adding them to a crop viewer. So each frame needs to represent some time frame within the video. Here is my current ffmpeg code to extract the frames :

    



    ffmpeg -i inputFile -f image2 -ss mySS -r myR frame-%05d.png

    



    When using the above command how would I add a timestamp to each frame ? So i know for example frame 5 is at 9s within the video.

    



    I dont know if the ffmpeg lib I am using has ffprobe from this link. I have also looked at other links on stackoverflow

    



    any help is appreciated

    


  • ffmpeg API encoding mpeg-4 Windows Media Player error

    9 juin 2017, par user1505129

    We have an app that uses the ffmpeg C API to encode mpeg-4 (AV_CODEC_ID_MPEG4) files in a mp4 container. The problem is that the files don’t play in Windows Media Player or the Windows 10 video player "Movies & TV" app. It plays in VLC, google chrome, Ubuntu’s video player, and all other video players I’ve tried.

    The two Windows players are able to play other files encoded with mpeg-4 in mp4 container. I also tested transcoding video files to the same format using the command line ’ffmpeg’ tool and was successfully able to play the video using the following command :

    ffmpeg input.avi -c:v mpeg4 output.mp4

    While I found the following commands do not work :

    ffmpeg input.avi -c:v mpeg4 -vtag xvid output.mp4

    ffmpeg input.avi -c:v libxvid output.mp4

    # the last command wont play with windows media player but VLC can still play it.  If the extension of the output file is changed to avi for the last two commands then Windows media player can play it.

    I started looking at the ffmpeg src code but it appears a bit large/complex, I tried using the simpler "encode_video.c" example, which was able to encode a video and play it in Ubuntu’s default video player but VLC nor Windows Media Player could play it.

    We need to encode these using the ffmpeg API, not the command line tool, so I am wondering what the ffmpeg command line tool is doing that I am not, or any ideas on what the problem could be and how to get this working.

    Thanks.

  • Creating .ts chunks from m3u8 without re-encoding

    16 juin 2022, par Chetan Goyal

    Is there any way to create .ts chunks from mp4 without re-encoding to get faster splitting ?

    


    ffmpeg -i chunks/2min.mp4 -c copy -hls_time 5 chunks/output.m3u8


    


    Here, input video is splitted into mulitple .ts files but playing that in players only plays the audio.

    


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