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Autres articles (58)

  • Contribute to documentation

    13 avril 2011

    Documentation is vital to the development of improved technical capabilities.
    MediaSPIP welcomes documentation by users as well as developers - including : critique of existing features and functions articles contributed by developers, administrators, content producers and editors screenshots to illustrate the above translations of existing documentation into other languages
    To contribute, register to the project users’ mailing (...)

  • Ajouter notes et légendes aux images

    7 février 2011, par

    Pour pouvoir ajouter notes et légendes aux images, la première étape est d’installer le plugin "Légendes".
    Une fois le plugin activé, vous pouvez le configurer dans l’espace de configuration afin de modifier les droits de création / modification et de suppression des notes. Par défaut seuls les administrateurs du site peuvent ajouter des notes aux images.
    Modification lors de l’ajout d’un média
    Lors de l’ajout d’un média de type "image" un nouveau bouton apparait au dessus de la prévisualisation (...)

  • 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 (...)

Sur d’autres sites (9519)

  • Is it possible to set channel layout of wave file using ffmpeg without re-encoding the file ?

    27 août 2020, par John Baker

    I want to set the WAVEFORMATEXTENSIBLE dwChannelMask (channel order mask) in a poly WAV file that doesn't yet have a channel mask set.

    


    Can ffmpeg do this ? If not, is there another tool that can do this ?

    


  • Getting file info with ffmpeg, object file recognized as Audio ?

    20 décembre 2018, par cpl

    I’m testing a C++ program that should iterate in a directory and find all multimedia files. I used an iteration routine, and for every file I tried using the libav functions to open the file, such as av_find_stream_info in order to find stream info. It works fine for multimedia files, such as video and images, but the problem is that it recognizes some files as audio or video, for example it sees an audio stream inside a .o file ! I also tried to use av_read_frame and it worked fine, without errors ! I would like to avoid filtering by extension, is there any other solution to find "playable" files ?

    Thanks

  • ffmpeg command convert a part of video file to an audio file [migrated]

    3 décembre 2013, par Amarnath alias Roobal

    I have a video file (duration 1 hour). I need any part of video file(30 min) to be converted to audio file

    ffmpeg -ss 00:30:00 -t 01:00:00 -i /opt/a.mp4 -vcodec copy -acodec copy /opt/b.mp4

    then i used

    ffmpeg -ss 00:30:00 -t 01:00:00 -i /opt/a.mp4 -acodec copy /opt/b.mp4

    But still I can view the video along with the audio. I need only audio files

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