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Autres articles (59)

  • 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

  • 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 (...)

  • HTML5 audio and video support

    13 avril 2011, par

    MediaSPIP uses HTML5 video and audio tags to play multimedia files, taking advantage of the latest W3C innovations supported by modern browsers.
    The MediaSPIP player used has been created specifically for MediaSPIP and can be easily adapted to fit in with a specific theme.
    For older browsers the Flowplayer flash fallback is used.
    MediaSPIP allows for media playback on major mobile platforms with the above (...)

Sur d’autres sites (11337)

  • Splitting single 32-channel audio file into 32 mono audio files using ffmpeg

    16 janvier 2015, par user1066157

    I am trying to split a single 32-channel audio file in .caf format to 32 mono audio files in signed 16 bit little endian .wav format using ffmpeg, but I can’t figure out how to accomplish this exactly. I have tried to do :

    ffmpeg -i myAudio.caf -acodec pcm_s16le -map 0:0 channel_01.wav -map 0:1 channel_02.wav ...

    But this returns a "Stream map ’0:1’ matches no streams" error. Surely I am missing something entirely obvious here... Most likely I am confused about how to reference each individual channel in my single, multi-channel audio file. Could someone show me the right way of doing this perhaps ?

  • Augment FFmpeg command to apply to entire folder ? (Windows)

    10 novembre 2022, par Dee Gee

    I've got the command below working as I would like on individual files, but would like to be able to run it on all videos in a folder ( 600). Can anyone help me augment this to auto create the file name and run on all .mp4 files in a folder ?

    


    Test folder would be : "c :\users\owner\videos\test files" in this example.

    


    ffmpeg -ss 00:00:03.000 -i "c:\users\owner\videos\test files\test1.mp4" -vf "crop=w='min(iw\,ih)':h='min(iw\,ih)',scale=720:720,setsar=1" -vframes 1 test01.jpg


    


  • How to merge videos and add audio in a single command using ffmpeg ?

    9 janvier 2017, par harishkumar329

    I use the following commands to concat audio-less video files to one and add audio to it,

    To concat individual videos,

    ffmpeg  -i 1.mp4 -i 2.mp4 -i 3.mp4 -i 4.mp4 -i 5.mp4 -filter_complex 'concat=n=5:v=1:a=0[out]'  -map '[out]' -strict -2 -y video_withoutaudio.mp4

    To add audio,

    ffmpeg -i video_withoutaudio.mp4 -i audio.mp4 -c:v copy -c:a aac -strict -2 video_withaudio.mp4

    is there a way to combine these two commands to one ?

    My requirement is to optimise the commands as I have 1000+ commands taking a lot of time to complete, hoping combining these two to one will save some time.

    Thanks in advance !

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