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Autres articles (23)

  • La file d’attente de SPIPmotion

    28 novembre 2010, par

    Une file d’attente stockée dans la base de donnée
    Lors de son installation, SPIPmotion crée une nouvelle table dans la base de donnée intitulée spip_spipmotion_attentes.
    Cette nouvelle table est constituée des champs suivants : id_spipmotion_attente, l’identifiant numérique unique de la tâche à traiter ; id_document, l’identifiant numérique du document original à encoder ; id_objet l’identifiant unique de l’objet auquel le document encodé devra être attaché automatiquement ; objet, le type d’objet auquel (...)

  • 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 (...)

  • Contribute to documentation

    13 avril 2011

    Documentation is vital to the development of improved technical capabilities.
    MediaSPIP welcomes documentation by users as well as developers - including : critique of existing features and functions articles contributed by developers, administrators, content producers and editors screenshots to illustrate the above translations of existing documentation into other languages
    To contribute, register to the project users’ mailing (...)

Sur d’autres sites (4344)

  • aac : Validate the sbr sample rate before using the value

    11 février 2017, par Luca Barbato
    aac : Validate the sbr sample rate before using the value

    Avoid a floating point exception.
    

    Bug-Id : 1027
    
CC : libav-stable@libav.org
    • [DBH] libavcodec/aacsbr.c

  • Checkasm : assembly testing and benchmarking tool

    11 juillet 2015, par Henrik Gramner
    Checkasm : assembly testing and benchmarking tool

    It provides the following features :
    
 * verify correctness by comparing output to the C version.
    
 * detect failure to save and restore clobbered callee-saved registers.
    
 * detect 32-bit parameters being used as if they were 64-bit in x86-64
    
   (the upper halves are not guaranteed to be zero - but in practice
    
   they very often are, which makes those bugs hard to spot otherwise).
    
 * easy benchmarking.
    

    Compile by running ’make checkasm’.
    
Execute by running ’tests/checkasm/checkasm’.
    

    Optional arguments are ’—bench’ to run benchmarks for all functions,
    
’—bench=<pattern>’ to run benchmarks for all functions that starts with
    
<pattern>, and ’<integer>’ to seed the PRNG for reproducible results.
    

    Contains unit tests for most h264pred functions to get started, more tests
    
can be added afterwards using those as a reference.
    

    Loosely based on code from x264. Currently only supports x86 and x86-64,
    
but additional architectures shouldn’t be too much of an obstacle to add.
    

    Note that functions with floating point parameters or floating point
    
return values are not supported. Some compiler-specific features or
    
preprocessor hacks would likely be required to add support for that.
    

    Signed-off-by : Janne Grunau <janne-libav@jannau.net>
    • [DBH] .gitignore
    • [DBH] tests/Makefile
    • [DBH] tests/checkasm/Makefile
    • [DBH] tests/checkasm/checkasm.c
    • [DBH] tests/checkasm/checkasm.h
    • [DBH] tests/checkasm/h264pred.c
    • [DBH] tests/checkasm/x86/Makefile
    • [DBH] tests/checkasm/x86/checkasm.asm

  • ffmpeg is cutting video length incorrectly

    1er mars 2018, par jameshwart lopez

    I use ffmpeg to check the length of the video and to cut video.

    I have a video with the lenght of 19.458333 seconds that’s why i want to cut it to only have 19 seconds because i don’t want the floating point.

    I check the video length using below command

    ffprobe -i "video.avi" -show_entries format=duration -v quiet -of csv="p=0"

    And I use below command to cut video the video

    ffmpeg -i  "video.avi" -ss 00:00:00 -t 00:00:19.000 -c copy out.mp4

    or

    ffmpeg -i  "video.avi" -ss 00:00:00 -t 19 -c copy output.avi

    The problem i have is when i cut the video with the above command and check the length the output file’s length is 19.018 seconds. Can someone help me with this problem ?

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