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Autres articles (45)

  • 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 (...)

  • Encoding and processing into web-friendly formats

    13 avril 2011, par

    MediaSPIP automatically converts uploaded files to internet-compatible formats.
    Video files are encoded in MP4, Ogv and WebM (supported by HTML5) and MP4 (supported by Flash).
    Audio files are encoded in MP3 and Ogg (supported by HTML5) and MP3 (supported by Flash).
    Where possible, text is analyzed in order to retrieve the data needed for search engine detection, and then exported as a series of image files.
    All uploaded files are stored online in their original format, so you can (...)

  • Supporting all media types

    13 avril 2011, par

    Unlike most software and media-sharing platforms, MediaSPIP aims to manage as many different media types as possible. The following are just a few examples from an ever-expanding list of supported formats : images : png, gif, jpg, bmp and more audio : MP3, Ogg, Wav and more video : AVI, MP4, OGV, mpg, mov, wmv and more text, code and other data : OpenOffice, Microsoft Office (Word, PowerPoint, Excel), web (html, CSS), LaTeX, Google Earth and (...)

Sur d’autres sites (6418)

  • fftools/ffmpeg_dec : move decoding to a separate thread

    2 juin 2023, par Anton Khirnov
    fftools/ffmpeg_dec : move decoding to a separate thread

    This is only a preparatory step to a fully threaded architecture and
    
does not yet make decoding truly parallel - the main thread will
    
currently submit a packet and wait until it has been fully processed by
    
the decoding thread before moving on. Decoder behavior as observed by
    
the rest of the program should remain unchanged. That will change in
    
future commits after encoders and filters are moved to threads and a
    
thread-aware scheduler is added.
    • [DH] fftools/ffmpeg.c
    • [DH] fftools/ffmpeg.h
    • [DH] fftools/ffmpeg_dec.c
    • [DH] fftools/ffmpeg_mux.c

  • fftools/ffmpeg : move force-keyframe-related vars to a separate struct

    17 novembre 2022, par Anton Khirnov
    fftools/ffmpeg : move force-keyframe-related vars to a separate struct

    There are 8 of them and they are typically used together. Allows to pass
    
just this struct to forced_kf_apply(), which makes it clear that the
    
rest of the OutputStream is not accessed there.
    • [DH] fftools/ffmpeg.c
    • [DH] fftools/ffmpeg.h
    • [DH] fftools/ffmpeg_mux.c
    • [DH] fftools/ffmpeg_mux_init.c

  • How can I use CMD to create a subfolder in a folder and move every 10 files created there ?

    12 août 2023, par Mikhail Eliseev

    There is a cmd code (see code below). You can't do it in Powershell for I need it in cmd. This code with ffmpeg software slices the video into pieces. The point is, before ffmpeg works I create command MD folder result_%%i and put there for each processed file ALL results (video files) of ffmpeg processing : result_%%i/%%i%03d.mp4

    


    Question : How to create a subfolder in the folder for each of 10 output slices and put them there ? Respectively so, there will be several subfolders in the result_%%i folder.

    


    The subfolder should be numbered as result_1_%%i , for example. Thus, the full path to any file will look like this : result_%%i/result_1_%%i/%%i%03d.mp4

    


    @echo off
for %%i in (*.mov) do (
  MD result_%%i
  ffmpeg -i "%%i" -filter_complex "[0:v]boxblur=40,scale=1080x1920,setsar=1[bg];[0:v]scale=1080:1920:force_original_aspect_ratio=decrease[fg];[bg][fg]overlay=y=(H-h)/2" -c:v libx264 -profile:v main -level:v 3.0 -x264-params scenecut=0:open_gop=0:min-keyint=72:keyint=72 -c:a aac -preset slow -crf 23 -r 30 -sn -force_key_frames "expr: gte(t, n_forced * 0.5)" -f segment -segment_time 14.5 -reset_timestamps 1 result_%%i/%%i%%03d.mp4

)

pause


    


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