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Autres articles (111)

  • Le plugin : Gestion de la mutualisation

    2 mars 2010, par

    Le plugin de Gestion de mutualisation permet de gérer les différents canaux de mediaspip depuis un site maître. Il a pour but de fournir une solution pure SPIP afin de remplacer cette ancienne solution.
    Installation basique
    On installe les fichiers de SPIP sur le serveur.
    On ajoute ensuite le plugin "mutualisation" à la racine du site comme décrit ici.
    On customise le fichier mes_options.php central comme on le souhaite. Voilà pour l’exemple celui de la plateforme mediaspip.net :
    < ?php (...)

  • Le plugin : Podcasts.

    14 juillet 2010, par

    Le problème du podcasting est à nouveau un problème révélateur de la normalisation des transports de données sur Internet.
    Deux formats intéressants existent : Celui développé par Apple, très axé sur l’utilisation d’iTunes dont la SPEC est ici ; Le format "Media RSS Module" qui est plus "libre" notamment soutenu par Yahoo et le logiciel Miro ;
    Types de fichiers supportés dans les flux
    Le format d’Apple n’autorise que les formats suivants dans ses flux : .mp3 audio/mpeg .m4a audio/x-m4a .mp4 (...)

  • Formulaire personnalisable

    21 juin 2013, par

    Cette page présente les champs disponibles dans le formulaire de publication d’un média et il indique les différents champs qu’on peut ajouter. Formulaire de création d’un Media
    Dans le cas d’un document de type média, les champs proposés par défaut sont : Texte Activer/Désactiver le forum ( on peut désactiver l’invite au commentaire pour chaque article ) Licence Ajout/suppression d’auteurs Tags
    On peut modifier ce formulaire dans la partie :
    Administration > Configuration des masques de formulaire. (...)

Sur d’autres sites (11544)

  • Invalid data found when processing input from rtsp stream

    5 septembre 2019, par Jeremi Sharkboy

    im trying to playe rtsp stream with ffplay by this command :

    ffplay -i rtsp://HOST:1235/qc/Ks3Al3nVHPOt5F -fflags nobuffer -flags low_delay -an -framedrop

    or

    ffplay -i rtsp://HOST:1235/qc/Ks3Al3nVHPOt5F

    But i got an error

    C:\Users\Administrator\Desktop\QuadroCam\ffmpeg>ffplay rtsp://HOST:1235/qc/
    Ks3Al3nVHPOt5F
    ffplay version 4.1 Copyright (c) 2003-2018 the FFmpeg developers
     built with gcc 8.2.1 (GCC) 20181017
     configuration: --disable-static --enable-shared --enable-gpl --enable-version3
    --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libas
    s --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopenco
    re-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enab
    le-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libt
    wolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --e
    nable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --en
    able-gmp --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable
    -libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --
    enable-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --e
    nable-nvdec --enable-dxva2 --enable-avisynth
     libavutil      56. 22.100 / 56. 22.100
     libavcodec     58. 35.100 / 58. 35.100
     libavformat    58. 20.100 / 58. 20.100
     libavdevice    58.  5.100 / 58.  5.100
     libavfilter     7. 40.101 /  7. 40.101
     libswscale      5.  3.100 /  5.  3.100
     libswresample   3.  3.100 /  3.  3.100
     libpostproc    55.  3.100 / 55.  3.100
    rtsp://HOST:1235/qc/Ks3Al3nVHPOt5F: Invalid data found when processing inpu
    t
       nan    :  0.000 fd=   0 aq=    0KB vq=    0KB sq=    0B f=0/0

    Maybe need some extra arg for this command or something. Any help please ?

  • "ffplay.exe has stopped working” during live video streaming from CMD for windows 7

    19 janvier 2019, par M. D. P

    "ffplay.exe has stopped working” during live video streaming from CMD for windows 7. my ffplay command on CMD is :

    C:\User>ffplay -f dshow -i video="Integrated Webcam"

    help me out for this problem. what i think is there is dependency problem or some missing libraries.is there proper solution for this issue ????

    error report :

    enter image description here

    C:\Users>ffplay -f dshow -i video="Integrated Webcam"
    ffplay version N-89127-g8f4702a93f Copyright (c) 2003-2017 the FFmpeg developers
     built with gcc 7.2.0 (GCC)
     configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-bzlib --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-cuda --enable-cuvid --enable-d3d11va --enable-nvenc --enable-dxva2 --enable-avisynth --enable-libmfx
     libavutil      56.  0.100 / 56.  0.100
     libavcodec     58.  3.103 / 58.  3.103
     libavformat    58.  2.100 / 58.  2.100
     libavdevice    58.  0.100 / 58.  0.100
     libavfilter     7.  2.100 /  7.  2.100
     libswscale      5.  0.101 /  5.  0.101
     libswresample   3.  0.101 /  3.  0.101
     libpostproc    55.  0.100 / 55.  0.100

    also tried this :

    C:\Users>ffplay -f dshow -rtbufsize 64M -i video="Integrated Webcam" -t 3600 -report

    still i got same error.

  • Launch Leech and the History of WMV

    14 septembre 2010, par Multimedia Mike — General

    I was combing through my programming archives again and came across an old Perl script called launch-leech.pl. This was a private script I used to maintain for the benefit of myself and a few friends. See, there was this site called Launch.com (URL doesn’t seem to do anything as of this writing but here’s the Wikipedia page). Purchased by Yahoo ! in 2001, Launch still maintained their independent branding. They also carried a lot of music videos, of which I am a huge junkie. launch-leech.pl was the tool I used to download the videos. This was particularly useful since I stubbornly clung to dialup internet access until mid-2004 and it would have been impossible to stream video at any decent quality (though there were 56k streams, so like I said– not possible at any decent quality).



    Technically
    I followed Launch.com for many years. To be honest, I only “followed” in that I figured out where their “latest videos” URL lived and regularly polled it. Each video had either a 6-, 7-, or 8-digit unique ID that could be plugged into the launch-leech.pl script which would then have a conversation with the relevant servers, determine the correct streaming URL with the highest quality, then download and save the URL by handing it off to an external program (first ASFRecorder, though I later switched to mmsclient).

    At one point, I even wrote a crawler that compiled an offline database of all the videos, their IDs and their metadata. I never thought of anything interesting to do with it, though.



    Windows Media Legacy
    During these glory days of leeching, Launch.com streamed using Windows Media. I admit, it’s a bit of a blur now — the site might have used Real or QuickTime, but I was obviously most in tune with the WM side. I remember when I first found the site circa 2000-2001, the videos were in MS MPEG-4v3, and the high quality bitrate was 300 kbits/sec. Eventually, Launch.com would stream WMV7, WMV8, and finally WMV9, with bitrates up to 700 kbits/sec. However, they never broke free of the 320×240 encoding resolution, which was frustrating. When I wasn’t able to notice any substantial difference between 300 and 700 kbits/sec, I felt it might be time to put those extra bits to work on a resolution upgrade.

    At least they were nice enough to re-encode a number of old videos using better codecs and bitrates with each revision, thus prompting me to scan through the site collecting updated video IDs for download.



    Epilogue
    I don’t clearly remember when I stopped visiting Launch.com. Video-wise, the web has been a blur of Flash video ever since about 2006. Meanwhile, I spent a lot of time collecting a bunch of music videos in the first half of the decade only to find that pretty much every version of every music video made since the dawn of time is available on demand thanks to YouTube. I have found that this phenomenon manifests in many areas as internet technology marches on.

    The Real Entertainment
    The launch-leech.pl tool represents a recurring pattern for me. I derive as much — if not more — entertainment from creating programs like launch-leech.pl (and implicitly reverse engineering something in the process ; in this case, a website) as I do from the intended entertainment media itself. I seem to have this issue a lot with games, too.

    Is this an issue for anyone else ? Am I the only one who would rather play with the box that a shiny toy comes packaged in ?