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  • Qu’est ce qu’un éditorial

    21 juin 2013, par

    Ecrivez votre de point de vue dans un article. Celui-ci sera rangé dans une rubrique prévue à cet effet.
    Un éditorial est un article de type texte uniquement. Il a pour objectif de ranger les points de vue dans une rubrique dédiée. Un seul éditorial est placé à la une en page d’accueil. Pour consulter les précédents, consultez la rubrique dédiée.
    Vous pouvez personnaliser le formulaire de création d’un éditorial.
    Formulaire de création d’un éditorial Dans le cas d’un document de type éditorial, les (...)

  • 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 (...)

  • MediaSPIP version 0.1 Beta

    16 avril 2011, par

    MediaSPIP 0.1 beta est la première version de MediaSPIP décrétée comme "utilisable".
    Le fichier zip ici présent contient uniquement les sources de MediaSPIP en version standalone.
    Pour avoir une installation fonctionnelle, il est nécessaire d’installer manuellement l’ensemble des dépendances logicielles sur le serveur.
    Si vous souhaitez utiliser cette archive pour une installation en mode ferme, il vous faudra également procéder à d’autres modifications (...)

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  • Download M3U8 That Is Playable

    15 octobre 2022, par Devin Dixon

    I am trying to download a livestream from this traffic camera source : https://vss1live.dot.ga.gov/lo/alph-cam-002.stream/playlist.m3u8

    


    The ffmpeg I am using is :

    


    ffmpeg -i https://vss1live.dot.ga.gov/lo/alph-cam-002.stream/playlist.m3u8 -preset slow -codec:a libfdk_aac -b:a 128k -codec:v libx264 -pix_fmt yuv420p -b:v 4500k -minrate 4500k -maxrate 9000k -bufsize 9000k -vf scale=-1:720 test.mp4


    


    And here are the logs when I quit the recording :

    


    ffmpeg version 5.0.1 Copyright (c) 2000-2022 the FFmpeg developers
  built with Apple clang version 13.1.6 (clang-1316.0.21.2)
  configuration: --prefix=/opt/homebrew/Cellar/ffmpeg/5.0.1 --enable-shared --enable-pthreads --enable-version3 --cc=clang --host-cflags= --host-ldflags= --enable-ffplay --enable-gnutls --enable-gpl --enable-libaom --enable-libbluray --enable-libdav1d --enable-libmp3lame --enable-libopus --enable-librav1e --enable-librist --enable-librubberband --enable-libsnappy --enable-libsrt --enable-libtesseract --enable-libtheora --enable-libvidstab --enable-libvmaf --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libxvid --enable-lzma --enable-libfontconfig --enable-libfreetype --enable-frei0r --enable-libass --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libspeex --enable-libsoxr --enable-libzmq --enable-libzimg --disable-libjack --disable-indev=jack --enable-videotoolbox --enable-neon
  libavutil      57. 17.100 / 57. 17.100
  libavcodec     59. 18.100 / 59. 18.100
  libavformat    59. 16.100 / 59. 16.100
  libavdevice    59.  4.100 / 59.  4.100
  libavfilter     8. 24.100 /  8. 24.100
  libswscale      6.  4.100 /  6.  4.100
  libswresample   4.  3.100 /  4.  3.100
  libpostproc    56.  3.100 / 56.  3.100
[hls @ 0x1417050e0] Skip ('#EXT-X-VERSION:3')
[hls @ 0x1417050e0] Opening 'https://vss1live.dot.ga.gov/lo/alph-cam-002.stream/chunklist_w259023283.m3u8' for reading
[hls @ 0x1417050e0] Skip ('#EXT-X-VERSION:3')
[hls @ 0x1417050e0] Skip ('#EXT-X-DISCONTINUITY-SEQUENCE:0')
[hls @ 0x1417050e0] Opening 'https://vss1live.dot.ga.gov/lo/alph-cam-002.stream/media_w259023283_61526.ts' for reading
[hls @ 0x1417050e0] Opening 'https://vss1live.dot.ga.gov/lo/alph-cam-002.stream/media_w259023283_61527.ts' for reading
Input #0, hls, from 'https://vss1live.dot.ga.gov/lo/alph-cam-002.stream/playlist.m3u8':
  Duration: N/A, start: 65276.905822, bitrate: N/A
  Program 0 
    Metadata:
      variant_bitrate : 142637
  Stream #0:0: Data: timed_id3 (ID3  / 0x20334449)
    Metadata:
      variant_bitrate : 142637
  Stream #0:1: Video: h264 (Baseline) ([27][0][0][0] / 0x001B), yuvj420p(pc, bt709), 480x270 [SAR 1:1 DAR 16:9], 15 fps, 15 tbr, 90k tbn
    Metadata:
      variant_bitrate : 142637
Stream mapping:
  Stream #0:1 -> #0:0 (h264 (native) -> h264 (libx264))
Press [q] to stop, [?] for help
[swscaler @ 0x120248000] [swscaler @ 0x120258000] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x120248000] [swscaler @ 0x120278000] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x120248000] [swscaler @ 0x120288000] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x120248000] [swscaler @ 0x120298000] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x120248000] [swscaler @ 0x1202a8000] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x120248000] [swscaler @ 0x1202b8000] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x120248000] [swscaler @ 0x1202c8000] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x120248000] [swscaler @ 0x1202d8000] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x120248000] [swscaler @ 0x1202e8000] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x120248000] [swscaler @ 0x1202f8000] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x120248000] [swscaler @ 0x120308000] deprecated pixel format used, make sure you did set range correctly
[libx264 @ 0x14169ff30] using SAR=1/1
[libx264 @ 0x14169ff30] using cpu capabilities: ARMv8 NEON
[libx264 @ 0x14169ff30] profile High, level 3.1, 4:2:0, 8-bit
[libx264 @ 0x14169ff30] 264 - core 163 r3060 5db6aa6 - H.264/MPEG-4 AVC codec - Copyleft 2003-2021 - http://www.videolan.org/x264.html - options: cabac=1 ref=5 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=8 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=2 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=15 lookahead_threads=2 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=3 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=15 scenecut=40 intra_refresh=0 rc_lookahead=50 rc=abr mbtree=1 bitrate=4500 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 vbv_maxrate=9000 vbv_bufsize=9000 nal_hrd=none filler=0 ip_ratio=1.40 aq=1:1.00
Output #0, mp4, to 'test.mp4':
  Metadata:
    encoder         : Lavf59.16.100
  Stream #0:0: Video: h264 (avc1 / 0x31637661), yuv420p(tv, bt709, progressive), 1280x720 [SAR 1:1 DAR 16:9], q=2-31, 4500 kb/s, 15 fps, 15360 tbn
    Metadata:
      variant_bitrate : 142637
      encoder         : Lavc59.18.100 libx264
    Side data:
      cpb: bitrate max/min/avg: 9000000/0/4500000 buffer size: 9000000 vbv_delay: N/A
[https @ 0x13201ce00] Opening 'https://vss1live.dot.ga.gov/lo/alph-cam-002.stream/media_w259023283_61528.ts' for reading
[https @ 0x131814200] Opening 'https://vss1live.dot.ga.gov/lo/alph-cam-002.stream/chunklist_w259023283.m3u8' for reading
[hls @ 0x1417050e0] Skip ('#EXT-X-VERSION:3')
[hls @ 0x1417050e0] Skip ('#EXT-X-DISCONTINUITY-SEQUENCE:0')
[https @ 0x131814200] Opening 'https://vss1live.dot.ga.gov/lo/alph-cam-002.stream/chunklist_w259023283.m3u8' for reading
[hls @ 0x1417050e0] Skip ('#EXT-X-VERSION:3')
[hls @ 0x1417050e0] Skip ('#EXT-X-DISCONTINUITY-SEQUENCE:0')
[https @ 0x13201ce00] Opening 'https://vss1live.dot.ga.gov/lo/alph-cam-002.stream/media_w259023283_61529.ts' for reading
[tls @ 0x131606060] Error in the pull function.
[tls @ 0x131606060] IO error: End of file
[hls @ 0x1417050e0] Opening 'https://vss1live.dot.ga.gov/lo/alph-cam-002.stream/media_w259023283_61529.ts' for reading
^Cav_interleaved_write_frame(): Immediate exit requested93 bitrate=4697.0kbits/s speed=1.77x    
Error writing trailer of test.mp4: Immediate exit requested
frame=  610 fps= 23 q=4.0 Lsize=   20224kB time=00:00:36.13 bitrate=4585.1kbits/s speed=1.35x    
video:20500kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown
Error closing file test.mp4: Immediate exit requested
[libx264 @ 0x14169ff30] frame I:3     Avg QP: 2.13  size:192240
[libx264 @ 0x14169ff30] frame P:156   Avg QP: 0.44  size: 66488
[libx264 @ 0x14169ff30] frame B:451   Avg QP: 1.32  size: 28629
[libx264 @ 0x14169ff30] consecutive B-frames:  1.1%  0.3%  1.5% 97.0%
[libx264 @ 0x14169ff30] mb I  I16..4: 21.7% 26.6% 51.7%
[libx264 @ 0x14169ff30] mb P  I16..4:  2.9%  3.1% 11.0%  P16..4:  9.3%  4.1%  3.4%  0.0%  0.0%    skip:66.1%
[libx264 @ 0x14169ff30] mb B  I16..4:  0.1%  0.4%  1.6%  B16..8: 14.6%  4.0%  2.1%  direct: 3.2%  skip:73.9%  L0:53.1% L1:41.6% BI: 5.3%
[libx264 @ 0x14169ff30] final ratefactor: -0.00
[libx264 @ 0x14169ff30] 8x8 transform intra:19.0% inter:11.1%
[libx264 @ 0x14169ff30] direct mvs  spatial:98.2% temporal:1.8%
[libx264 @ 0x14169ff30] coded y,uvDC,uvAC intra: 91.5% 77.2% 76.6% inter: 11.8% 12.2% 11.9%
[libx264 @ 0x14169ff30] i16 v,h,dc,p: 17% 54% 10% 19%
[libx264 @ 0x14169ff30] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 16% 42% 15%  3%  5%  3%  7%  3%  6%
[libx264 @ 0x14169ff30] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 16% 32% 13%  5%  9%  5%  9%  4%  7%
[libx264 @ 0x14169ff30] i8c dc,h,v,p: 38% 44% 13%  5%
[libx264 @ 0x14169ff30] Weighted P-Frames: Y:0.0% UV:0.0%
[libx264 @ 0x14169ff30] ref P L0: 83.7%  3.3%  8.8%  2.4%  1.8%  0.0%
[libx264 @ 0x14169ff30] ref B L0: 79.9% 19.0%  0.8%  0.3%
[libx264 @ 0x14169ff30] ref B L1: 99.0%  1.0%
[libx264 @ 0x14169ff30] kb/s:4693.84
Exiting normally, received signal 2.


    


    Except the video doesn't seem to be playable by VLC or Quicktime. Given that the stream can end at any moment thus ending the file, how do I make the file actually playable ?

    


  • How to download part of videojs live stream with ffmpeg ?

    13 octobre 2022, par CptanPanic

    I would like to be able to save 10-20 seconds of a livestream site that uses videojs, but due to it using videojs, it isn't as simple as finding the m3u8 file to stream. Any ideas ?

    


    An example stream is https://www.cityoffortpierce.com/823/Jetty-Inlet-Webcam

    


  • Is it possible to download ffmpeg to docker with base image : python:3.8-slim-buster

    28 juillet 2022, par ali-akkaya

    I am trying to download audio from Youtube, preferably .flac, and I need to run my code inside Docker.
If I use ubuntu image there is no problem I can download it with apt. However ubuntu image need 1.2 GB space.
I want to use python image. How can I do that ?

    


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