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  • Support audio et vidéo HTML5

    10 April 2011

    MediaSPIP utilise les balises HTML5 video et audio pour la lecture de documents multimedia en profitant des dernières innovations du W3C supportées par les navigateurs modernes.
    Pour les navigateurs plus anciens, le lecteur flash Flowplayer est utilisé.
    Le lecteur HTML5 utilisé a été spécifiquement créé pour MediaSPIP : il est complètement modifiable graphiquement pour correspondre à un thème choisi.
    Ces technologies permettent de distribuer vidéo et son à la fois sur des ordinateurs conventionnels (...)

  • Taille des images et des logos définissables

    9 February 2011, by

    Dans beaucoup d’endroits du site, logos et images sont redimensionnées pour correspondre aux emplacements définis par les thèmes. L’ensemble des ces tailles pouvant changer d’un thème à un autre peuvent être définies directement dans le thème et éviter ainsi à l’utilisateur de devoir les configurer manuellement après avoir changé l’apparence de son site.
    Ces tailles d’images sont également disponibles dans la configuration spécifique de MediaSPIP Core. La taille maximale du logo du site en pixels, on permet (...)

  • Gestion de la ferme

    2 March 2010, by

    La ferme est gérée dans son ensemble par des "super admins".
    Certains réglages peuvent être fais afin de réguler les besoins des différents canaux.
    Dans un premier temps il utilise le plugin "Gestion de mutualisation"

On other websites (5717)

  • Watch My Hero Academia Heroes Rising Full Movie Online FREE #2019

    6 July 2020, by sarahlburke58

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    Title : My Hero Academia: Heroes Rising
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    Overview : Class 1-A visits Nabu Island where they finally get to do some real hero work. The place is so peaceful that it's more like a vacation … until they're attacked by a villain with an unfathomable Quirk! His power is eerily familiar, and it looks like Shigaraki had a hand in the plan. But with All Might retired and citizens' lives on the line, there's no time for questions. Deku and his friends are the next generation of heroes, and they're the island's only hope.

    


  • Conan OpenCV with FFMPEG

    20 April 2020, by Bixilein

    For my project I would like to use OpenCV from conan. For my application I need OpenCV with the FFMPEG option enabled.

    



    I tried to do conan install opencv/4.1.1@conan/stable -o ffmpeg=True -b missing but I got a lot of compiler errors with undefined references. All the errors are related to FFMPEG.

    



    In the conanfile of opencv ffmpeg/4.2@bincrafters/stable is listed as a requirement. I tried to just install fmpeg/4.2@bincrafters/stable but I got the same errors. After some experimenting, I found out that fmpeg/4.2.1@bincrafters/stable is working on my system.

    



    Therefore, I wanted to use this working version of ffmpeg for OpenCV. In the conan-cache I changed the conanfile for OpenCV to take ffmpeg/4.2.1 and then tried again to install OpenCV. This time everything build without error and a new hash was created.

    



    Now I wanted to use this OpenCV in my project. But when I try to build my project, I get an error. The problem seems to be that conan is looking for a specific hash and because I changed the requirements in the conanfile of OpenCV the hash is now different. The hash of my local OpenCV is 91716d2466cac1ff5c91a7b802ce2d69b84cc798, but when I try to build my project it is looking for a different hash. (opencv/4.1.1@conan/stable:7234edbe78e5002a4384cde97bca91abd732a248 - Missing)

    



    I am new to conan and therefore I do not know if the approach I took so far is acceptable. I appreciate every feedback on how to approach this problem.

    


  • Removing one audio track from a movie results in audio desync when copying, but not when reencoding --- why?

    18 April 2020, by chsk

    I'm trying to remove a superfluous audio track from a movie file. Specifically, this movie on archive.org has the original audio as track 2, and what appears to be a slavic (Russian?) voiceover in track 1. I'd like to get rid of the latter.

    



    I found this question that suggested I should do the following:

    



    ffmpeg -i Benjamín\ dúfa.avi -map 0 -map -0:a:0 -c copy Benjamín\ dúfa\ \(aðeins\ íslenskt\ tal\).avi

    



    But this doesn't work: after removing the first audio track, audio and video are not in sync in the resulting file anymore (when played in VLC). Now, I was able to overcome this problem by also reencoding the remaining audio track along the way, using

    



    ffmpeg -i Benjamín\ dúfa.avi -map 0 -map -0:a:0 -c:v copy Benjamín\ dúfa\ \(aðeins\ íslenskt\ tal\).avi

    



    But while this works, I'd like to understand why copying the audio track instead does not. I suppose it's a somewhat philosophical question --- consider it a matter of intellectual curiosity, combined with an aversion to needless lossy re-encoding.

    



    So if anyone can explain this to me, I'd very grateful. Thanks!

    



    EDIT: as per Gyan's request, here's ffmpeg's output for the first command:

    



    ffmpeg version 4.2 Copyright (c) 2000-2019 the FFmpeg developers
  built with gcc 9.1.1 (GCC) 20190807
  configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --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-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt
  libavutil      56. 31.100 / 56. 31.100
  libavcodec     58. 54.100 / 58. 54.100
  libavformat    58. 29.100 / 58. 29.100
  libavdevice    58.  8.100 / 58.  8.100
  libavfilter     7. 57.100 /  7. 57.100
  libswscale      5.  5.100 /  5.  5.100
  libswresample   3.  5.100 /  3.  5.100
  libpostproc    55.  5.100 / 55.  5.100
Input #0, avi, from 'Benjam├¡n d├║fa.avi':
  Metadata:
    encoder         : VirtualDubModRus 1.5.10.2 (build 2542/release)
    IAS1            : Islenska
  Duration: 01:27:37.00, start: 0.000000, bitrate: 1313 kb/s
    Stream #0:0: Video: mpeg4 (Advanced Simple Profile) (XVID / 0x44495658), yuv420p, 720x400 [SAR 1:1 DAR 9:5], 979 kb/s, 25 fps, 25 tbr, 25 tbn, 25 tbc
    Stream #0:1: Audio: mp3 (U[0][0][0] / 0x0055), 48000 Hz, stereo, fltp, 192 kb/s
    Stream #0:2: Audio: mp3 (U[0][0][0] / 0x0055), 48000 Hz, stereo, fltp, 128 kb/s
Output #0, avi, to 'b.avi':
  Metadata:
    IAS1            : Islenska
    ISFT            : Lavf58.29.100
    Stream #0:0: Video: mpeg4 (Advanced Simple Profile) (XVID / 0x44495658), yuv420p, 720x400 [SAR 1:1 DAR 9:5], q=2-31, 979 kb/s, 25 fps, 25 tbr, 25 tbn, 25 tbc
    Stream #0:1: Audio: mp3 (U[0][0][0] / 0x0055), 48000 Hz, stereo, fltp, 128 kb/s
Stream mapping:
  Stream #0:0 -> #0:0 (copy)
  Stream #0:2 -> #0:1 (copy)
Press [q] to stop, [?] for help
[avi @ 0000000002bf00c0] Timestamps are unset in a packet for stream 0. This is deprecated and will stop working in the future. Fix your code to set the timestamps properly
frame=131425 fps=7616 q=-1.0 Lsize=  718952kB time=01:27:37.00 bitrate=1120.3kbits/s speed= 305x
video:628523kB audio:82141kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 1.166227%


    



    And also for the second, for comparison:

    



    ffmpeg version 4.2 Copyright (c) 2000-2019 the FFmpeg developers
  built with gcc 9.1.1 (GCC) 20190807
  configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --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-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt
  libavutil      56. 31.100 / 56. 31.100
  libavcodec     58. 54.100 / 58. 54.100
  libavformat    58. 29.100 / 58. 29.100
  libavdevice    58.  8.100 / 58.  8.100
  libavfilter     7. 57.100 /  7. 57.100
  libswscale      5.  5.100 /  5.  5.100
  libswresample   3.  5.100 /  3.  5.100
  libpostproc    55.  5.100 / 55.  5.100
Input #0, avi, from 'Benjam├¡n d├║fa.avi':
  Metadata:
    encoder         : VirtualDubModRus 1.5.10.2 (build 2542/release)
    IAS1            : Islenska
  Duration: 01:27:37.00, start: 0.000000, bitrate: 1313 kb/s
    Stream #0:0: Video: mpeg4 (Advanced Simple Profile) (XVID / 0x44495658), yuv420p, 720x400 [SAR 1:1 DAR 9:5], 979 kb/s, 25 fps, 25 tbr, 25 tbn, 25 tbc
    Stream #0:1: Audio: mp3 (U[0][0][0] / 0x0055), 48000 Hz, stereo, fltp, 192 kb/s
    Stream #0:2: Audio: mp3 (U[0][0][0] / 0x0055), 48000 Hz, stereo, fltp, 128 kb/s
Stream mapping:
  Stream #0:0 -> #0:0 (copy)
  Stream #0:2 -> #0:1 (mp3 (mp3float) -> mp3 (libmp3lame))
Press [q] to stop, [?] for help
Output #0, avi, to 'b2.avi':
  Metadata:
    IAS1            : Islenska
    ISFT            : Lavf58.29.100
    Stream #0:0: Video: mpeg4 (Advanced Simple Profile) (XVID / 0x44495658), yuv420p, 720x400 [SAR 1:1 DAR 9:5], q=2-31, 979 kb/s, 25 fps, 25 tbr, 25 tbn, 25 tbc
    Stream #0:1: Audio: mp3 (libmp3lame) (U[0][0][0] / 0x0055), 48000 Hz, stereo, fltp
    Metadata:
      encoder         : Lavc58.54.100 libmp3lame
[avi @ 00000000004b7440] Timestamps are unset in a packet for stream 0. This is deprecated and will stop working in the future. Fix your code to set the timestamps properly
frame=131425 fps=1090 q=-1.0 Lsize=  718952kB time=01:27:37.00 bitrate=1120.3kbits/s speed=43.6x
video:628523kB audio:82141kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 1.166233%