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Autres articles (39)

  • Des sites réalisés avec MediaSPIP

    2 mai 2011, par

    Cette page présente quelques-uns des sites fonctionnant sous MediaSPIP.
    Vous pouvez bien entendu ajouter le votre grâce au formulaire en bas de page.

  • List of compatible distributions

    26 avril 2011, par

    The table below is the list of Linux distributions compatible with the automated installation script of MediaSPIP. Distribution nameVersion nameVersion number Debian Squeeze 6.x.x Debian Weezy 7.x.x Debian Jessie 8.x.x Ubuntu The Precise Pangolin 12.04 LTS Ubuntu The Trusty Tahr 14.04
    If you want to help us improve this list, you can provide us access to a machine whose distribution is not mentioned above or send the necessary fixes to add (...)

  • Submit enhancements and plugins

    13 avril 2011

    If you have developed a new extension to add one or more useful features to MediaSPIP, let us know and its integration into the core MedisSPIP functionality will be considered.
    You can use the development discussion list to request for help with creating a plugin. As MediaSPIP is based on SPIP - or you can use the SPIP discussion list SPIP-Zone.

Sur d’autres sites (7014)

  • Combining voices while considering their start time

    21 juillet 2023, par user3405291

    Combine voices and add them to a video

    


    I have this FFMPEG command to :

    


      

    1. Remove current video audio.

      2. 


    2. Combine some voices and add them to the video.

      3. 


    


    ffmpeg -i vid.mp4 -i voice1.mp3 -i voice2.mp3 -filter_complex "[1:a] [2:a] amix=inputs=2:duration=longest:dropout_transition=0" -c:v copy -an vid.mkv


    


    The above command works great.

    


    Each voice has a start time

    


    I have a new requirement. Each voice should start at its own specific start time. Like :

    


      

    1. Voice 1 starts at 2 sec of the video.

      2. 


    2. Voice 2 starts at 1 sec of the video.

      3. 


    


    How can I modify my FFMPEG command so that each voice would be at its own proper start time ?

    


  • FFmpeg extracting current frame time stamp

    23 juillet 2015, par 2di

    I need to extract frames in certain interval of the video, (eg from 40 sec to 50 sec).
    Working in c++.
    First I am getting position where I need to start reading

    static double t = 10 ;//time in seconds
    
int64_t timestamp = t * AV_TIME_BASE; //destination time
    
av_seek_frame( pFormatContext , -1 ,  timestamp + pFormatContext->start_time ,AVSEEK_FLAG_BACKWARD );

    Then I using av_read_frame to get all sequential frames.
    The problem that I have is that I dont know when to stop. How can I check that I reached my end interval (eg 50 sec) ?

    Thanks.

  • How to get 4 video frames on the specified time [on hold]

    28 décembre 2015, par Plush

    I want to receive 4 video frames of the JPEG format, with the specified time.
    How it is possible to execute request in one command ?

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