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Autres articles (58)

  • Les formats acceptés

    28 janvier 2010, par

    Les commandes suivantes permettent d’avoir des informations sur les formats et codecs gérés par l’installation local de ffmpeg :
    ffmpeg -codecs ffmpeg -formats
    Les format videos acceptés en entrée
    Cette liste est non exhaustive, elle met en exergue les principaux formats utilisés : h264 : H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 m4v : raw MPEG-4 video format flv : Flash Video (FLV) / Sorenson Spark / Sorenson H.263 Theora wmv :
    Les formats vidéos de sortie possibles
    Dans un premier temps on (...)

  • MediaSPIP 0.1 Beta version

    25 avril 2011, par

    MediaSPIP 0.1 beta is the first version of MediaSPIP proclaimed as "usable".
    The zip file provided here only contains the sources of MediaSPIP in its standalone version.
    To get a working installation, you must manually install all-software dependencies on the server.
    If you want to use this archive for an installation in "farm mode", you will also need to proceed to other manual (...)

  • 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 (...)

Sur d’autres sites (6705)

  • How to batch convert to x265 minimal file size but keep best possible quality using hardware acceleration in Windows ?

    12 août 2023, par N.TW12

    I am new to the ffmpeg, as the matter of fact just know it for a few hours, I have a huge family videos in mp4/mov x264 format and I would like to convert them all to x265. I don't know what setting is robust for most of the cases so I use -c:v hevc_nvenc and tried :

    


    for /f "tokens=1 delims=." %a in ('dir /B *.mp4') do ffmpeg -i -c:v hevc_nvenc "%a.mp4" "%a.x265.mp4"

for /f "tokens=1 delims=." %a in ('dir /B *.mp4') do ffmpeg -i  "%a.mp4" -c:v hevc_nvenc "%a.x265.mp4" 


    


    I got an error : v was unexpected at this time. How to batch convert to x265 minimal file size but keep best possible quality using hardware acceleration in Windows ?

    


    Edit : I also would like to change the filename by adding ".x265" @ the end of the new file.

    


  • avfilter : properly reduce YUV colorspace format lists

    25 mars 2024, par Niklas Haas
    avfilter : properly reduce YUV colorspace format lists

    Doing this with REDUCE_FORMATS() instead of swap_color_*() is not only
    
shorter, but more importantly comes with the benefit of being done
    
inside a loop, allowing us to correctly propagate complex graphs
    
involving multiple conversion filters (e.g. -vf scale,zscale).
    

    The latter family of swapping functions is only used to settle the
    
best *remaining* entry if no exact match was found, and as such was
    
never the correct solution to YUV colorspaces, which only care about
    
exact matches.
    • [DH] libavfilter/avfiltergraph.c

  • configure : Remove dcbzl check for e500v1 and e500v2 architectures

    6 février 2014, par Peter Krefting
    configure : Remove dcbzl check for e500v1 and e500v2 architectures

    The DCBZL instruction is not available for the e500v1 and e500v2
    
architectures, but may still be recognized by the toolchain, so we
    
need to explicitly disable it for these architectures.
    

    References : PowerPC™ e500 Core Family Reference Manual (Freescale)
    

    Found-by : Ståle Kristoffersen <staalebk@ifi.uio.no>
    

    Signed-off-by : Vittorio Giovara <vittorio.giovara@gmail.com>
    • [DH] configure

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