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Autres articles (67)

  • Gestion des droits de création et d’édition des objets

    8 février 2011, par

    Par défaut, beaucoup de fonctionnalités sont limitées aux administrateurs mais restent configurables indépendamment pour modifier leur statut minimal d’utilisation notamment : la rédaction de contenus sur le site modifiables dans la gestion des templates de formulaires ; l’ajout de notes aux articles ; l’ajout de légendes et d’annotations sur les images ;

  • Dépôt de média et thèmes par FTP

    31 mai 2013, par

    L’outil MédiaSPIP traite aussi les média transférés par la voie FTP. Si vous préférez déposer par cette voie, récupérez les identifiants d’accès vers votre site MédiaSPIP et utilisez votre client FTP favori.
    Vous trouverez dès le départ les dossiers suivants dans votre espace FTP : config/ : dossier de configuration du site IMG/ : dossier des média déjà traités et en ligne sur le site local/ : répertoire cache du site web themes/ : les thèmes ou les feuilles de style personnalisées tmp/ : dossier de travail (...)

  • 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 (10871)

  • Output a Java window as a webcam stream

    15 juin 2012, par Zac

    I would like to write a program perferably in Java that can display animated overlays on a screen.

    The screen will then be broadcast streamed over the internet using a separate program called x-split.

    A good way to do this would be to create a transparent window in java which will display animated files (with transparancy) and the output of this window (Its display) should ideally appear in the webcam device list so it can be easily picked up by x-split which will allow it to be arranged ontop of the game screen I'm currently broadcasting.

    An example program of this type would be one where a webcam image is displayed and "virtual glasses" overlayed over the image of a persons face which could then be transmitted as an output cam.

    I have found the java 6u10-translucent-shapes library to create the transparent window but I don't know how to stream it.

    I've read a few things to suggest that JMF and FFMpeg might be the way to go, but I'm not sure what to install and how.

    Any help or pointers to tutorials would be greatly appreciated.

  • Is it safe to set AVPacket::duration to one ?

    9 septembre 2021, par Vivekanand V

    I am new to the world of programming of multimedia applications. I just managed to get a hold of FFMPEG's libraries to perform video encoding and decoding in C/C++ and I feel that I have a lack of understanding in many aspects of the whole process.

    


    My application converts an RGB24 array referenced by unsigned char* to a AVFrame, and encodes it to a video file.

    


    During initialization, I set the time base in codec context to 1/fps, where fps is the frame rate.

    


    AVStream::time_base is also set to the same value.

    


    Is there is a mathematical relationship between these time bases to AV_TIME_BASE constant ?

    


    How should AVFrame::pts be set. Here I am just incrementing by one for every encoding operation.

    


    How should AVPacket::duration be set, before calling av_interleaved_write_frame ?

    


    What is the significance of AVPacket::pts and AVPacket::dts ?

    


  • Using FFmpeg native libraries with Android-NDK

    24 octobre 2013, par ssrp

    I could write a simple "Hello World" app and got it to compile and run ok, I know how to setup basic structure of an Android project to use native libraries. Could any one tell me how to use FFmpeg libraries to decode a video ;

    • How to write a .cpp file to decode a video file using the libraries(Open, Decode, Save)
    • How to setup source files(in my case .cpp files) with Android.mk file

    Please could anyone help.

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