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Autres articles (46)

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    1er décembre 2010, par

    La gestion de la ferme passe par l’exécution à intervalle régulier de plusieurs tâches répétitives dites Cron.
    Le super Cron (gestion_mutu_super_cron)
    Cette tâche, planifiée chaque minute, a pour simple effet d’appeler le Cron de l’ensemble des instances de la mutualisation régulièrement. Couplée avec un Cron système sur le site central de la mutualisation, cela permet de simplement générer des visites régulières sur les différents sites et éviter que les tâches des sites peu visités soient trop (...)

  • ANNEXE : Les plugins utilisés spécifiquement pour la ferme

    5 mars 2010, par

    Le site central/maître de la ferme a besoin d’utiliser plusieurs plugins supplémentaires vis à vis des canaux pour son bon fonctionnement. le plugin Gestion de la mutualisation ; le plugin inscription3 pour gérer les inscriptions et les demandes de création d’instance de mutualisation dès l’inscription des utilisateurs ; le plugin verifier qui fournit une API de vérification des champs (utilisé par inscription3) ; le plugin champs extras v2 nécessité par inscription3 (...)

  • 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
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Sur d’autres sites (7709)

  • lavu/riscv : indent code

    18 novembre 2023, par Rémi Denis-Courmont
    lavu/riscv : indent code

    This reindents code to prepare for the next changeset.
    
No functional changes.
    • [DH] libavutil/riscv/cpu.c

  • building c++ code into a shared library

    11 avril 2016, par gaurav

    I have some c++ code which i use as shared library in a java application.My c++ code uses some libraries like ffmpeg and boost. and ffmpeg libraries in turn depend on libx264. my first question is - can i build my c++ into a "fat" shared library which contains all the symbols from all libraries used so that on a new machine if i just copy the fat .so file everything works.
    If thats not possible then can you help me fix my current build process. This is what i am doing currently -

    1)on a local VM(ubuntu 64) i compile ffmpeg code using -fPIC flag and install h264 and boost using apt-get commands.
    2) on the same VM i compile my code using make file which looks like this-

    INCLUDES =   -I/opt/ffmpeg/include -I/usr/lib/jvm/java-7-openjdk-   amd64/include -I/usr/lib/jvm/java-7-openjdk-amd64/include/linux
    

    
LDFLAGS =   -L/home/ubuntu/ffmpeg_shared
    

    
LIBRARIES = -lavformat -lavcodec -lswscale -lavutil -lpthread  -lx264 -lboost_system -lboost_thread -lboost_chrono 
    

    
CC = g++ -std=c++11 -fPIC
    

    
all:clean final
    

    
final:Api.o ImageSequence.o OverlayAnimation.o Utils.o ImageFrame.o 
    
$(CC)  -o final.so Api.o ImageSequence.o OverlayAnimation.o Utils.o  ImageFrame.o $(LDFLAGS) $(LIBRARIES) -shared

    3) on a new machine where java app will run. i install h264 and boost using apt-get commands and copy ffmpeg’s compiled library files to /usr/local/lib.

    4) copy the final.so file to this new machine. but when the java code tries to use the final.so file i see it tries to use wierdly named files. for example - it tries to find libavcodec.so.57 , libavformat.so.57 etc. to fix this i just created a copy of these files ie libavcodec.so copied to libavcodec.so.57.

    5)But these ffmpeg libraries in turn uses a differently named lib264.so file. on my new machine the apt-get command for x264 installed a file named libx264.so.148 but one of ffmpeg libraries is searching for file libx264.so.142 even if i rename this libx264.so file i get new errors where ffmpeg libraries tries to call libx264’s methods which has these numbers attached.

    6) at this time the only working option for me is to bring the c++ code on every new machine and build final.so file locally. this is something i want to avoid since i want to distribute the .so file along with jar file to my clients which they can easily use without having to build and install stuff.

  • avfilter/vf_ssim : Fix x86 assembly code for SSIM calculation

    31 juillet 2023, par Evgeny Pavlov
    avfilter/vf_ssim : Fix x86 assembly code for SSIM calculation

    This commit fixes bug #10495
    

    The code had several bugs related to post-loop compensation code :

    - test assembly instruction performs bitwise AND operation and
    
generate flags used by jz branch instruction. Wrong test condition
    
leads to incorrect branching

    - Incorrect compensation code for some branches
    

    Signed-off-by : Evgeny Pavlov <lucenticus@gmail.com>
    • [DH] libavfilter/x86/vf_ssim.asm

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