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Autres articles (52)

  • Emballe Médias : Mettre en ligne simplement des documents

    29 octobre 2010, par

    Le plugin emballe médias a été développé principalement pour la distribution mediaSPIP mais est également utilisé dans d’autres projets proches comme géodiversité par exemple. Plugins nécessaires et compatibles
    Pour fonctionner ce plugin nécessite que d’autres plugins soient installés : CFG Saisies SPIP Bonux Diogène swfupload jqueryui
    D’autres plugins peuvent être utilisés en complément afin d’améliorer ses capacités : Ancres douces Légendes photo_infos spipmotion (...)

  • Creating farms of unique websites

    13 avril 2011, par

    MediaSPIP platforms can be installed as a farm, with a single "core" hosted on a dedicated server and used by multiple websites.
    This allows (among other things) : implementation costs to be shared between several different projects / individuals rapid deployment of multiple unique sites creation of groups of like-minded sites, making it possible to browse media in a more controlled and selective environment than the major "open" (...)

  • Selection of projects using MediaSPIP

    2 mai 2011, par

    The examples below are representative elements of MediaSPIP specific uses for specific projects.
    MediaSPIP farm @ Infini
    The non profit organizationInfini develops hospitality activities, internet access point, training, realizing innovative projects in the field of information and communication technologies and Communication, and hosting of websites. It plays a unique and prominent role in the Brest (France) area, at the national level, among the half-dozen such association. Its members (...)

Sur d’autres sites (11722)

  • checkasm/sw_range_convert : test all supported bit depths

    18 septembre 2024, par Ramiro Polla
    checkasm/sw_range_convert : test all supported bit depths

    This commit also reduces the number of times ff_sws_init_scale() gets
    
called (only once per bit depth), and the number of times randomize_buffers()
    
gets called (only if the function must be checked).
    

    Benchmarks are only performed on bit depths 8 and 16 (since they are
    
different functions, and not only different constants).
    • [DH] tests/checkasm/sw_range_convert.c

  • ffmpeg wav output length not correct or consistant

    3 avril 2013, par user2241026

    Trying to run a very simple command via php a exec() command. All my other commands are working fine except for a simple audio trim that I am trying to run.

    The user posts a file, and a start time (in mm:ss.xxx format). and ffmpeg is supposed to trim the file to 5 seconds after the start time. The problem is, some times it works, but other times the audio file is 6 or even 7 seconds long. I can't figure out the problem.

    Oh, I'm aware of the lack of sanitizing in the code right now.

    here is the PHP code

    //user entered number for example "01:30"
    
//$newFilePath1 is the location of the file, no issue there
    
$starttime = $_POST["starttime"];
    

    
$makeWav1 = "ffmpeg -y -ss 00:".$starttime." -i \"$newFilePath1\" -acodec pcm_s16le -sample_rate 48000 -t 00:00:05.000 temp/audiocut1.wav";
    

    
exec($makeWav1);

    Thank you for the help !!

  • Understanding ffmpeg -benchmark results

    6 septembre 2022, par Ivy Growing

    Adding -benchmark flag to ffmpeg command resutls with addition of following 2 lines in the shell output :

    


    bench: utime=10.125s stime=4.234s rtime=5.606s
bench: maxrss=110080kB


    


    The maxrss serves to indicate the maximum RAM used during the ffmpeg execution. The utime, stime, rtime indicate accordingly :

    


      

    • user time ;

      • 


    • system time ;

      • 


    • real time.

      • 


    


    I tried to understand the meaning of these times from the source code and failed. Please, help.

    


      

    1. Which of these times indicate how much time was human waiting while the ffpmeg was processing the video ?

      2. 


    2. Can this time be seen directly or it's a combination/calculation of these 3 parameters ?

      3. 


    3. How it can be for certain videos utime > rtime and for others utime < rtime ?

      4. 


    


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