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Autres articles (62)

  • 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

  • Publier sur MédiaSpip

    13 juin 2013

    Puis-je poster des contenus à partir d’une tablette Ipad ?
    Oui, si votre Médiaspip installé est à la version 0.2 ou supérieure. Contacter au besoin l’administrateur de votre MédiaSpip pour le savoir

  • Use, discuss, criticize

    13 avril 2011, par

    Talk to people directly involved in MediaSPIP’s development, or to people around you who could use MediaSPIP to share, enhance or develop their creative projects.
    The bigger the community, the more MediaSPIP’s potential will be explored and the faster the software will evolve.
    A discussion list is available for all exchanges between users.

Sur d’autres sites (9007)

  • How to extract a video segment from a video using FFMPEG ?

    7 février 2013, par Wajih

    I am a newbie to FFMPEG, I am stuck at using FFMPEG to extract a segment of video. Since I am using the direct command line interface.
    What would be the command line arguments if I am to extract say, video from frame 0 to frame 100000 or if I wanted to extract a video segment of 1 hour from a video that is 5 hours long ?

    Thanks !

  • FFMpeg capturing from hls stream timestamps

    22 avril 2020, par Sean

    I have a live HLS stream, which has a DVR buffer of a few hours.
The stream is UTC timestamped, so I can seek to a specific time.

    



    Is there a way I can use those timestamps to seek ffmpeg to get a specific portion of it ?
I have found -ss and -t but they only seem to offset from the start of the stream, not to the EXT-X-PROGRAM-DATE-TIME.

    



    Would the only way to do it be to offset my datetime to hh/mm/ss from stream start ?
While this works, it is less useful as the stream is live, so the stream start is constantly advancing. So once I've downloaded the manifest, calculated the offset, and started, it can easily be wrong. As an old fragment has been deleted.

    



    Cheers

    


  • Using ffmpeg, extract small part of .m4a audio file and set extract file duration correctly

    30 août 2015, par Kes

    I have Linux mint 17.1.

    When I use ffmpeg to cut out a section of a 4 hour long .m4a audio file as follows :

    ffmpeg -ss 0:10:00 -i in_file.m4a -vn -c copy -t 0:40:00 out_file.m4a

    the correct position and duration of extract is extracted and the file plays just fine, but the audio duration meta-tag in the playback player is incorrectly shown as 4 hours.

    How can I set the actual extract duration so it is correct, in this case 30mins, or even better get ffmpeg to calculate it and set it properly ?

    Thank you

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