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Autres articles (37)

  • 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

  • MediaSPIP Player : problèmes potentiels

    22 février 2011, par

    Le lecteur ne fonctionne pas sur Internet Explorer
    Sur Internet Explorer (8 et 7 au moins), le plugin utilise le lecteur Flash flowplayer pour lire vidéos et son. Si le lecteur ne semble pas fonctionner, cela peut venir de la configuration du mod_deflate d’Apache.
    Si dans la configuration de ce module Apache vous avez une ligne qui ressemble à la suivante, essayez de la supprimer ou de la commenter pour voir si le lecteur fonctionne correctement : /** * GeSHi (C) 2004 - 2007 Nigel McNie, (...)

  • Keeping control of your media in your hands

    13 avril 2011, par

    The vocabulary used on this site and around MediaSPIP in general, aims to avoid reference to Web 2.0 and the companies that profit from media-sharing.
    While using MediaSPIP, you are invited to avoid using words like "Brand", "Cloud" and "Market".
    MediaSPIP is designed to facilitate the sharing of creative media online, while allowing authors to retain complete control of their work.
    MediaSPIP aims to be accessible to as many people as possible and development is based on expanding the (...)

Sur d’autres sites (7257)

  • FFMpeg or other how to add dynamic text into video stream

    17 février 2017, par Ferguson

    I’am looking for a solution on how to add some dynamic text into the video stream. For example I have a underwater webcam (IP cam) and now I want to add information about measured temperature and salinity into video stream (as text). The final result must be a video stream with temp and salinity displayed in video.

    For this project I’am using OrangePI pc with Armbian OS.
    Can it be done with FFMpeg or is there some other option ?

    Regards
    Ferguson

  • Revision 15718 : En mode debug, forcer le Content-Type à HTML, ce que faisait implicitement ...

    29 mai 2010, par esj@… — Log

    En mode debug, forcer le Content-Type à HTML, ce que faisait implicitement les anciennes versions. Et ne pas non plus faire l’echo final.

  • FFmpeg - Crossfading inputs with a duration 1s creates an empty output

    27 août 2021, par Sonia Seddiki

    I am trying to crossfade a silent input with a music to delay the moment when the music starts to play.

    


    I built the command using fluent-ffmpeg so I could choose the duration of the silent input through my program. The duration of the crossfade is calculated according to the duration of the 2 inputs, and equals 0 if one of them is too short.

    


    Below is an example of the resulting command :

    


    ffmpeg -f lavfi -i anullsrc=r=44100 -i music.mp3 -y -filter_complex [0]atrim=duration=0.28[atrim_0];[atrim_0][1]acrossfade=d=0:c1=tri:c2=tri[final] -map [final] output.mp3


    


    However, this command creates an empty output file when the duration of the silent input is inferior to 1 second, regardless of which music input is next. Using the same command with a trim duration > 1 second creates a valid output with the silence and the music.

    


    I have tried to look through the FFmpeg debug report but couldn't really see what was wrong.

    


    Below is an excerpt of the debug log report :

    


    Input file #0 (anullsrc=r=44100):
  Input stream #0:0 (audio): 14 packets read (28672 bytes); 14 frames decoded (14336 samples);
  Total: 14 packets (28672 bytes) demuxed
Input file #1 (music.mp3):
  Input stream #1:0 (audio): 504 packets read (210651 bytes); 504 frames decoded (578372 samples);
  Total: 504 packets (210651 bytes) demuxed
Output file #0 (output.mp3):
  Output stream #0:0 (audio): 0 frames encoded (0 samples); 0 packets muxed (0 bytes);
  Total: 0 packets (0 bytes) muxed


    


    Any idea what could cause this ?

    


    PS : I am using FFmpeg 4.4, and the same command with FFmpeg 4.2 lead to a segmentation fault. Don't know if this can be of any help

    


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