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  • 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 (...)

  • Multilang : améliorer l’interface pour les blocs multilingues

    18 février 2011, par

    Multilang est un plugin supplémentaire qui n’est pas activé par défaut lors de l’initialisation de MediaSPIP.
    Après son activation, une préconfiguration est mise en place automatiquement par MediaSPIP init permettant à la nouvelle fonctionnalité d’être automatiquement opérationnelle. Il n’est donc pas obligatoire de passer par une étape de configuration pour cela.

  • ANNEXE : Les plugins utilisés spécifiquement pour la ferme

    5 mars 2010, par

    Le site central/maître de la ferme a besoin d’utiliser plusieurs plugins supplémentaires vis à vis des canaux pour son bon fonctionnement. le plugin Gestion de la mutualisation ; le plugin inscription3 pour gérer les inscriptions et les demandes de création d’instance de mutualisation dès l’inscription des utilisateurs ; le plugin verifier qui fournit une API de vérification des champs (utilisé par inscription3) ; le plugin champs extras v2 nécessité par inscription3 (...)

Sur d’autres sites (10485)

  • ffmpeg UDP stream error (subtitles)

    18 février 2017, par Peca

    I have HTTP stream which I like to convert to UDP :

    http://192.168.1.44:8001/1:0:1:1F8:1B:2C0:E080000:0:0:0:

    The Video, Audio and Subtitle work perfectly If I try to open this stream in VLC n Ubuntu.
    so far, so good

    Here is otput of FFPROBE

        ffprobe -i http://192.168.1.44:8001/1:0:1:1F8:1B:2C0:E080000:0:0:0:
    
ffprobe version git-2017-01-22-f1214ad Copyright (c) 2007-2017 the FFmpeg developers
    
  built with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04.3)
    
  configuration: --extra-libs=-ldl --prefix=/opt/ffmpeg --mandir=/usr/share/man --enable-avresample --disable-debug --enable-nonfree --enable-gpl --enable-version3 --enable-libopencore-amrnb --enable-libopencore-amrwb --disable-decoder=amrnb --disable-decoder=amrwb --enable-libpulse --enable-libfreetype --enable-gnutls --enable-libx264 --enable-libx265 --enable-libfdk-aac --enable-libvorbis --enable-libmp3lame --enable-libopus --enable-libvpx --enable-libspeex --enable-libass --enable-avisynth --enable-libsoxr --enable-libxvid --enable-libvidstab --enable-libwavpack --enable-nvenc
    
  libavutil      55. 44.100 / 55. 44.100
    
  libavcodec     57. 75.100 / 57. 75.100
    
  libavformat    57. 63.100 / 57. 63.100
    
  libavdevice    57.  2.100 / 57.  2.100
    
  libavfilter     6. 69.100 /  6. 69.100
    
  libavresample   3.  2.  0 /  3.  2.  0
    
  libswscale      4.  3.101 /  4.  3.101
    
  libswresample   2.  4.100 /  2.  4.100
    
  libpostproc    54.  2.100 / 54.  2.100
    
[mpeg2video @ 0xa56fde0] Invalid frame dimensions 0x0.
    
    Last message repeated 2 times
    
Input #0, mpegts, from 'ht tp://192.168.1.44:8001/1:0:1:1F8:1B:2C0:E080000:0:0:0:':                                                                                                         
    
  Duration: N/A, start: 35782.514200, bitrate: N/A                                                                                                                                         
    
  Program 501                                                                                                                                                                             
    
  Program 502                                                                                                                                                                             
    
  Program 503                                                                                                                                                                             
    
  Program 504                                                                                                                                                                             
    
    Stream #0:0[0x13b1]: Video: mpeg2video (Main) ([2][0][0][0] / 0x0002), yuv420p(tv, top first), 720x576 [SAR 64:45 DAR 16:9], 25 fps, 25 tbr, 90k tbn, 50 tbc                           
    
    Stream #0:1[0x13b2]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 256 kb/s                                                                                             
    
    Stream #0:2[0x1541](srp): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006)                                                                                                               
    
    Stream #0:3[0x1542](slv): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006)                                                                                                               
    
    Stream #0:4[0x1543](hrv): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006)                                                                                                               
    
    Stream #0:5[0x1544](cze): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006)                                                                                                               
    
    Stream #0:6[0x1545](hun): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006)                                                                                                               
    
    Stream #0:7[0x1546](ron): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006)                                                                                                               
    
    Stream #0:8[0x1547](alb): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006)                                                                                                               
    
    Stream #0:9[0x1548](bul): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006)                                                                                                               
    
    Stream #0:10[0x13b9](eng): Subtitle: dvb_teletext ([6][0][0][0] / 0x0006)                                                                                                             
    
  Program 505                                                                                                                                                                             
    
  Program 506
    
  Program 507
    
  Program 508
    
  Program 509
    
  Program 510
    
  Program 511
    
  Program 515
    
  Program 516
    
  Program 517
    
  Program 518
    
  Program 519
    
  Program 520
    
  Program 521
    
Unsupported codec with id 94215 for input stream 10

    So I decide to use FFMPEG to stream to UDP, and filter out unwanted SUB’s

    Here is FFMPEG cmd

    ffmpeg -reconnect 1 -reconnect_at_eof 1 -reconnect_streamed 1 -reconnect_delay_max 2048 \
    
    -i "http://192.168.1.44:8001/1:0:1:1F8:1B:2C0:E080000:0:0:0:" \
    
    -map 0:0 -vcodec copy \
    
    -map 0:1 -acodec copy \
    
    -map 0:2 -map 0:6 -scodec copy \
    
    -f mpegts udp://239.0.10.3:40000?pkt_size=1316

    And the output is :

        Output #0, mpegts, to 'udp://239.0.10.3:40000?pkt_size=1316':
    
  Metadata:
    
    encoder         : Lavf57.63.100
    
    Stream #0:0: Video: mpeg2video (Main) ([2][0][0][0] / 0x0002), yuv420p(tv, top first), 720x576 [SAR 64:45 DAR 16:9], q=2-31, 25 fps, 25 tbr, 90k tbn, 90k tbc
    
    Stream #0:1: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 256 kb/s
    
    Stream #0:2(srp): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006)
    
    Stream #0:3(hun): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006)
    
Stream mapping:
    
  Stream #0:0 -> #0:0 (copy)
    
  Stream #0:1 -> #0:1 (copy)
    
  Stream #0:2 -> #0:2 (copy)
    
  Stream #0:6 -> #0:3 (copy)

    And the resulting stream is DISASTER ... audio is choppy, video fall apart etc etc

    If I try same thing WITHOUT sub’s (map 2 and 6) the video and audio is crystal clear and stream work well

    But I need this two sub’s.

    To narrow down the problem, if I try to capture incoming stream into file :

    ffmpeg -reconnect 1 -reconnect_at_eof 1 -reconnect_streamed 1 -reconnect_delay_max 2048 \
    
-i "http://192.168.1.44:8001/1:0:1:1F8:1B:2C0:E080000:0:0:0:" \
    
-map 0:0 -map 0:1 -map 0:2 -map 0:6 \
    
-codec copy \
    
-y -f mpegts /tmp/tst.ts

    The resulting file is playable, sound OK, video OK, subtitles OK.

    Looks like problem is with OUTPUT to UDP ???

    Any solution for this ?

  • Improve ffmpeg x11grab screen capture performance

    10 janvier 2020, par Toby Eggitt

    I have been doing screen-only (no sound) capture using ffmpeg with libx264 for the encoding quite successfully on an old machine built around a Core2 Quad Q6600 processor. I now need to include audio in this, but the fans on this ancient machine are too loud. So, I found a fanless motherboard (https://www.asrock.com/mb/Intel/J5005-ITX/index.asp) that has an Intel Pentium Silver J5005 processor and decided to use this instead. The CPU’s benchmarks put it in a similar bracket to the Q6600, and the general performance seems to be significantly better, presumably at least in part because it’s now using DDR4 memory that’s faster access.

    However, the machine fails horribly at the screen capture. It’s missing frames all over the place ; I actually end up with video that’s missing almost half the frames, and plays back at about double speed. Also, any audio is just messed up so badly I can hardly think how to describe it, best I can come up with is that I get perhaps a quarter second of sound then a few seconds pause (the video meanwhile is actually still playing back, albeit with no sense of time).

    Some things occur to me that might be the cause, or cure, of my troubles, some of which I might be able to fix, others not so much. What other things should I try ? (I’d prefer to avoid simply throwing money at the issue with random ideas that are baseless !)

    1) perhaps the CPU lacks some "extensions" to the instruction set (I recall years ago some CPUs gaining MMX extensions") so that the CPU is fast at mundane computing but sucks at video encoding.

    2) perhaps the fact that the old machine had a dedicated graphics card, while this new one is sharing main memory with the graphics system means that reading the screen pixels is much slower.

    3) perhaps the fact that this new machine has a single DDR4 memory stick in it means that I’m forcing all the memory reads and writes for the computations through the same memory as is holding the screen, and that’s too much (implying that adding an additional memory stick might jus possibly help ?)

    4) perhaps there’s some bios setting that would allow more efficient sharing of video memory ?

    5) my favorite, perhaps there’s a better compression library that I could use to get decent quality screen capture with much less CPU usage.

    I should also note that I have tried this with -threads 0, and the CPU usage hovers between 100% and 200% ; around 100% when the screen is static, and rising as I move windows around and otherwise create more output.

    6) the motherboard claims to have some kind of hardware video encoder built into it. I haven’t paid this any attention to this point, as I assumed it was for the purpose of taking HDMI input and encoding it, but maybe there’s a way to use this, if so, what libraries might I need to get ffmpeg to do this.

    Edits :

    • This is an off the shelf ffmpeg. I’m certainly willing to try building it myself if I have some idea what I should do different.
    • The motherboard claims to have hardware encoders, but I’m struggling to find out what they are (seems like it’s an Intel chip called "UHD Graphics 605" but nothing I can find suggests ffmpeg can work with that)

    • command line right now has been (without audio) :

      ffmpeg  -video_size 1280x720   -f x11grab  -i ${DISPLAY}+100,100  -vcodec libx264  -f alsa -i pulse -acodec ac3 -threads 0  ./video$(date +%F-%H-%M-%S).mp4

    Log from a short recording session is :

    ffmpeg version 3.4.6-0ubuntu0.18.04.1 Copyright (c) 2000-2019 the FFmpeg developers
    
  built with gcc 7 (Ubuntu 7.3.0-16ubuntu3)
    
  configuration: --prefix=/usr --extra-version=0ubuntu0.18.04.1 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --enable-gpl --disable-stripping --enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librubberband --enable-librsvg --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libopencv --enable-libx264 --enable-shared
    
  libavutil      55. 78.100 / 55. 78.100
    
  libavcodec     57.107.100 / 57.107.100
    
  libavformat    57. 83.100 / 57. 83.100
    
  libavdevice    57. 10.100 / 57. 10.100
    
  libavfilter     6.107.100 /  6.107.100
    
  libavresample   3.  7.  0 /  3.  7.  0
    
  libswscale      4.  8.100 /  4.  8.100
    
  libswresample   2.  9.100 /  2.  9.100
    
  libpostproc    54.  7.100 / 54.  7.100
    
[x11grab @ 0x561a723e5ac0] Stream #0: not enough frames to estimate rate; consider increasing probesize
    
Input #0, x11grab, from ':0+100,100':
    
  Duration: N/A, start: 1578693116.465807, bitrate: N/A
    
    Stream #0:0: Video: rawvideo (BGR[0] / 0x524742), bgr0, 1280x720, 29.97 fps, 1000k tbr, 1000k tbn, 1000k tbc
    
Unknown decoder 'libx264'
    
simon@studio:~$ ffmpeg  -video_size 1280x720   -f x11grab  -i ${DISPLAY}+100,100  -vcodec libx264 -threads 0  ./video$(date +%F-%H-%M-%S).mp4
    
ffmpeg version 3.4.6-0ubuntu0.18.04.1 Copyright (c) 2000-2019 the FFmpeg developers
    
  built with gcc 7 (Ubuntu 7.3.0-16ubuntu3)
    
  configuration: --prefix=/usr --extra-version=0ubuntu0.18.04.1 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --enable-gpl --disable-stripping --enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librubberband --enable-librsvg --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libopencv --enable-libx264 --enable-shared
    
  libavutil      55. 78.100 / 55. 78.100
    
  libavcodec     57.107.100 / 57.107.100
    
  libavformat    57. 83.100 / 57. 83.100
    
  libavdevice    57. 10.100 / 57. 10.100
    
  libavfilter     6.107.100 /  6.107.100
    
  libavresample   3.  7.  0 /  3.  7.  0
    
  libswscale      4.  8.100 /  4.  8.100
    
  libswresample   2.  9.100 /  2.  9.100
    
  libpostproc    54.  7.100 / 54.  7.100
    
[x11grab @ 0x558225bc29a0] Stream #0: not enough frames to estimate rate; consider increasing probesize
    
Input #0, x11grab, from ':0+100,100':
    
  Duration: N/A, start: 1578693132.513351, bitrate: N/A
    
    Stream #0:0: Video: rawvideo (BGR[0] / 0x524742), bgr0, 1280x720, 29.97 fps, 1000k tbr, 1000k tbn, 1000k tbc
    
Stream mapping:
    
  Stream #0:0 -> #0:0 (rawvideo (native) -> h264 (libx264))
    
Press [q] to stop, [?] for help
    
[libx264 @ 0x558225bcd360] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2
    
[libx264 @ 0x558225bcd360] profile High 4:4:4 Predictive, level 3.1, 4:4:4 8-bit
    
[libx264 @ 0x558225bcd360] 264 - core 152 r2854 e9a5903 - H.264/MPEG-4 AVC codec - Copyleft 2003-2017 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x1:0x111 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=0 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=4 threads=6 lookahead_threads=1 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=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
    
Output #0, mp4, to './video2020-01-10-14-52-12.mp4':
    
  Metadata:
    
    encoder         : Lavf57.83.100
    
    Stream #0:0: Video: h264 (libx264) (avc1 / 0x31637661), yuv444p, 1280x720, q=-1--1, 29.97 fps, 30k tbn, 29.97 tbc
    
    Metadata:
    
      encoder         : Lavc57.107.100 libx264
    
    Side data:
    
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
    
Past duration 0.806847 too large     256kB time=00:00:00.43 bitrate=4835.3kbits/s dup=16 drop=0 speed=0.207x    
    
frame=  371 fps= 29 q=-1.0 Lsize=     639kB time=00:00:12.27 bitrate= 426.6kbits/s dup=16 drop=14 speed=0.971x    
    
video:634kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.813096%
    
[libx264 @ 0x558225bcd360] frame I:2     Avg QP:18.16  size:221502
    
[libx264 @ 0x558225bcd360] frame P:93    Avg QP:14.97  size:  2007
    
[libx264 @ 0x558225bcd360] frame B:276   Avg QP:20.13  size:    69
    
[libx264 @ 0x558225bcd360] consecutive B-frames:  0.8%  0.0%  0.0% 99.2%
    
[libx264 @ 0x558225bcd360] mb I  I16..4: 44.6%  0.0% 55.4%
    
[libx264 @ 0x558225bcd360] mb P  I16..4:  0.2%  0.0%  0.3%  P16..4:  0.7%  0.1%  0.1%  0.0%  0.0%    skip:98.5%
    
[libx264 @ 0x558225bcd360] mb B  I16..4:  0.0%  0.0%  0.0%  B16..8:  1.0%  0.0%  0.0%  direct: 0.0%  skip:99.0%  L0:50.9% L1:49.0% BI: 0.1%
    
[libx264 @ 0x558225bcd360] coded y,u,v intra: 41.3% 37.5% 37.4% inter: 0.1% 0.0% 0.0%
    
[libx264 @ 0x558225bcd360] i16 v,h,dc,p: 58% 41%  1%  0%
    
[libx264 @ 0x558225bcd360] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 33% 30% 14%  2%  4%  4%  5%  3%  5%
    
[libx264 @ 0x558225bcd360] Weighted P-Frames: Y:0.0% UV:0.0%
    
[libx264 @ 0x558225bcd360] ref P L0: 59.2%  8.8% 25.5%  6.5%
    
[libx264 @ 0x558225bcd360] ref B L0: 59.4% 39.0%  1.6%
    
[libx264 @ 0x558225bcd360] ref B L1: 96.5%  3.5%
    
[libx264 @ 0x558225bcd360] kb/s:419.29
    
Exiting normally, received signal 2.

  • Evolution #4417 : Augmenter la longueur du mot de passe demandé pour créer un nouvel auteur

    19 décembre 2019, par RastaPopoulos ♥

    this.

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