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  • Submit bugs and patches

    13 avril 2011

    Unfortunately a software is never perfect.
    If you think you have found a bug, report it using our ticket system. Please to help us to fix it by providing the following information : the browser you are using, including the exact version as precise an explanation as possible of the problem if possible, the steps taken resulting in the problem a link to the site / page in question
    If you think you have solved the bug, fill in a ticket and attach to it a corrective patch.
    You may also (...)

  • Encoding and processing into web-friendly formats

    13 avril 2011, par

    MediaSPIP automatically converts uploaded files to internet-compatible formats.
    Video files are encoded in MP4, Ogv and WebM (supported by HTML5) and MP4 (supported by Flash).
    Audio files are encoded in MP3 and Ogg (supported by HTML5) and MP3 (supported by Flash).
    Where possible, text is analyzed in order to retrieve the data needed for search engine detection, and then exported as a series of image files.
    All uploaded files are stored online in their original format, so you can (...)

  • MediaSPIP Player : problèmes potentiels

    22 février 2011, par

    Le lecteur ne fonctionne pas sur Internet Explorer
    Sur Internet Explorer (8 et 7 au moins), le plugin utilise le lecteur Flash flowplayer pour lire vidéos et son. Si le lecteur ne semble pas fonctionner, cela peut venir de la configuration du mod_deflate d’Apache.
    Si dans la configuration de ce module Apache vous avez une ligne qui ressemble à la suivante, essayez de la supprimer ou de la commenter pour voir si le lecteur fonctionne correctement : /** * GeSHi (C) 2004 - 2007 Nigel McNie, (...)

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  • 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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