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Médias (91)

Autres articles (107)

  • Librairies et logiciels spécifiques aux médias

    10 décembre 2010, par

    Pour un fonctionnement correct et optimal, plusieurs choses sont à prendre en considération.
    Il est important, après avoir installé apache2, mysql et php5, d’installer d’autres logiciels nécessaires dont les installations sont décrites dans les liens afférants. Un ensemble de librairies multimedias (x264, libtheora, libvpx) utilisées pour l’encodage et le décodage des vidéos et sons afin de supporter le plus grand nombre de fichiers possibles. Cf. : ce tutoriel ; FFMpeg avec le maximum de décodeurs 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 (...)

  • MediaSPIP 0.1 Beta version

    25 avril 2011, par

    MediaSPIP 0.1 beta is the first version of MediaSPIP proclaimed as "usable".
    The zip file provided here only contains the sources of MediaSPIP in its standalone version.
    To get a working installation, you must manually install all-software dependencies on the server.
    If you want to use this archive for an installation in "farm mode", you will also need to proceed to other manual (...)

Sur d’autres sites (9470)

  • dxva2_hevc : properly signal the num_delta_pocs from the SPS RPS

    2 mars 2015, par Hendrik Leppkes
    dxva2_hevc : properly signal the num_delta_pocs from the SPS RPS
    

    ucNumDeltaPocsOfRefRpsIdx needs to contain the flat value from the SPS RPS,
    and not the final computed value from the slice header RPS, as this calculation
    is done internally by the driver again.

    Sample-Id : http://trailers.divx.com/hevc/Sintel_4k_27qp_24fps_1aud_9subs.mkvi

    • [DH] libavcodec/dxva2_hevc.c
    • [DH] libavcodec/hevc.h
    • [DH] libavcodec/hevc_ps.c
  • FFMPEG change audio pitch of mp4 video [on hold]

    17 octobre 2019, par Patrick

    Hy Community,

    im looking for an solution to fade the pitch of an audio track in an mp4 file.
    so i want to increase the pitch from its half duration to the end of the file gradually.

    is it possible by ffmpeg ?

    thank you in advance.

  • Command find and and convert using ffmpeg

    10 décembre 2013, par molwiko

    I would like to combine the two following commands to find mp4 files and convert them to mp3 and save them with same name.
    Thanks in advance.
    The two command line :

    find ./ -name '*.mp4'
    ffmpeg -i video.mp4 -vn -acodec libmp3lame -ac 2 -ab 160k -ar 48000 audio.mp3