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Autres articles (104)

  • XMP PHP

    13 mai 2011, par

    Dixit Wikipedia, XMP signifie :
    Extensible Metadata Platform ou XMP est un format de métadonnées basé sur XML utilisé dans les applications PDF, de photographie et de graphisme. Il a été lancé par Adobe Systems en avril 2001 en étant intégré à la version 5.0 d’Adobe Acrobat.
    Étant basé sur XML, il gère un ensemble de tags dynamiques pour l’utilisation dans le cadre du Web sémantique.
    XMP permet d’enregistrer sous forme d’un document XML des informations relatives à un fichier : titre, auteur, historique (...)

  • 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.

  • Installation en mode ferme

    4 février 2011, par

    Le mode ferme permet d’héberger plusieurs sites de type MediaSPIP en n’installant qu’une seule fois son noyau fonctionnel.
    C’est la méthode que nous utilisons sur cette même plateforme.
    L’utilisation en mode ferme nécessite de connaïtre un peu le mécanisme de SPIP contrairement à la version standalone qui ne nécessite pas réellement de connaissances spécifique puisque l’espace privé habituel de SPIP n’est plus utilisé.
    Dans un premier temps, vous devez avoir installé les mêmes fichiers que l’installation (...)

Sur d’autres sites (7778)

  • using FFMPEG to convert to MP4 with maximum browsers compatibilty

    6 mars 2016, par Karim

    I’m converting from WMV to FLV using FFMPEG, and my problem is that the FLV videos are so big ! the 15 minutes video’s size ranges between 150MB and 1GB !
    I’m using the following FFMPEG command to convert and split WMV videos :

    nohup nice -1 ffmpeg -y -ss 00:00:00 -t 00:15:00 -async 1 -i INPUT.WMV -acodec libmp3lame OUTPUT.FLV

    And I’ve tried converting to MP4 before and the video size was much smaller than the FLV video.

    So my questions are :

    • Would the MP4 videos have any
      compatibility issues browsers ?
    • Would it work on iPhone, iPad ? (I
      know FLV videos doesn’t work on
      iPhones or iPads)
    • What is the best FFMPEG command to
      convert to MP4 without losing the
      quality of the video ?

  • How do you build FFmpeg for Mac Catalyst

    9 octobre 2019, par Jim Rhodes

    With XCode 11 and macOS 10.15 (Catalina), you can now build iPad apps to run on a Mac by checking Mac in the General settings of the target. I have an iPhone/iPad app that uses ffmpeg. When I try to build it for the Mac I get this linker error :

    Building for Mac Catalyst, but the linked library ’libavformat.a’ was built for iOS + iOS Simulator. You may need to restrict the platforms for which this library should be linked in the target editor, or replace it with an XCFramework that supports both platforms.

    So my question is, how do you build a static library for Mac Catalyst or create an XCFramework for ffmpeg ? I am using build-ffmpeg.sh from FFmpeg-iOS-build-script on GitHub to bulild the ffmpeg static libraries for iOS.

  • FFMPEG iOS 7 Library

    15 septembre 2017, par Destiny Dawn

    I’ve tried reading many tutorials.
    I’ve spent hours on google, and stackoverflow trying answer.
    So far I’ve read : Trying to compile the FFMPEG libraries for iPhoneOS platform with armv6 and arv7 architecture FFMPEG integration on iphone/ ipad project and https://github.com/lajos/iFrameExtractor few of the many.

    I’m trying to build this library for iOS 7/Xcode 5 compatibility but it’s not working.
    A common error I’d get is :

    Configured with: --prefix=/Applications/Xcode.app/Contents/Developer/usr --with-gxx-include-dir=/usr/include/c++/4.2.1
    
yasm/nasm not found or too old. Use --disable-yasm for a crippled build.
    

    
If you think configure made a mistake, make sure you are using the latest
    
version from Git.  If the latest version fails, report the problem to the
    
ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
    
Include the log file "config.log" produced by configure as this will help
    
solving the problem.

    I’d also get many more once that is finished. Such as :

    rm: illegal option -- .
    
usage: rm [-f | -i] [-dPRrvW] file ...
    
       unlink file
    
make: *** [clean] Error 64

    I’ve mostly tried using this command to start, but it always crashes on "make clean" :

    ./configure \
    
--cc=/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/gcc \
    
--as='/usr/local/bin/gas-preprocessor.pl /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/gcc' \
    
--sysroot=/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS7.0.sdk \
    
--target-os=darwin \
    
--arch=arm \
    
--cpu=cortex-a8 \
    
--extra-cflags='-arch armv7' \
    
--extra-ldflags='-arch armv7 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS7.0.sdk' \
    
--prefix=compiled/armv7 \
    
--enable-cross-compile \
    
--enable-nonfree \
    
--enable-gpl \
    
--disable-armv5te \
    
--disable-swscale-alpha \
    
--disable-doc \
    
--disable-ffmpeg \
    
--disable-ffplay \
    
--disable-ffprobe \
    
--disable-ffserver \
    
--disable-asm \
    
--disable-debug

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