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  • Gestion de la ferme

    2 mars 2010, par

    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"

  • Demande de création d’un canal

    12 mars 2010, par

    En fonction de la configuration de la plateforme, l’utilisateur peu avoir à sa disposition deux méthodes différentes de demande de création de canal. La première est au moment de son inscription, la seconde, après son inscription en remplissant un formulaire de demande.
    Les deux manières demandent les mêmes choses fonctionnent à peu près de la même manière, le futur utilisateur doit remplir une série de champ de formulaire permettant tout d’abord aux administrateurs d’avoir des informations quant à (...)

  • Creating farms of unique websites

    13 avril 2011, par

    MediaSPIP platforms can be installed as a farm, with a single "core" hosted on a dedicated server and used by multiple websites.
    This allows (among other things) : implementation costs to be shared between several different projects / individuals rapid deployment of multiple unique sites creation of groups of like-minded sites, making it possible to browse media in a more controlled and selective environment than the major "open" (...)

Sur d’autres sites (14961)

  • lavfi/spp : add "quality" option in runtime change path

    10 janvier 2020, par Jun Zhao
    lavfi/spp : add "quality" option in runtime change path

    it's stranage to use option "level" in runtime change path but used
    
"quality" in option, add "quality" in runtime change path, it's more
    
intuitive and keep the "level" for compatibility.
    

    Reviewe-by : Michael Niedermayer <michael@niedermayer.cc>
    
Signed-off-by : Jun Zhao <barryjzhao@tencent.com>
    • [DH] doc/filters.texi
    • [DH] libavfilter/vf_spp.c

  • ffmpeg covert yuv to mp4 failed :"Invalid buffer size, packet size"

    3 janvier 2020, par Sean

    Hi I am trying to convert YUV video to a avi formt with the following command :
    "ffmpeg -f rawvideo -vcodec rawvideo -s 512x512 -r 25 -pix_fmt yuv420p -i output3.yuv -c:v libx264 -preset ultrafast -qp 0 output.avi"

    Then I got an error

    [rawvideo @ 0x1c9e620] Estimating duration from bitrate, this may be inaccurate
    Input #0, rawvideo, from 'output3.yuv':
     Duration: 00:00:01.72, start: 0.000000, bitrate: 79250 kb/s
       Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 512x512, 78643 kb/s, 25 tbr, 25 tbn, 25 tbc
    File 'output.avi' already exists. Overwrite ? [y/N] y
    [libx264 @ 0x1ca93e0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 AVX2 LZCNT BMI2
    [libx264 @ 0x1ca93e0] profile High 4:4:4 Predictive, level 3.0, 4:2:0 8-bit
    Output #0, avi, to 'output.avi':
     Metadata:
       ISFT            : Lavf56.40.101
       Stream #0:0: Video: h264 (libx264) (H264 / 0x34363248), yuv420p, 512x512, q=-1--1, 25 fps, 25 tbn, 25 tbc
       Metadata:
         encoder         : Lavc56.60.100 libx264
    Stream mapping:
     Stream #0:0 -> #0:0 (rawvideo (native) -> h264 (libx264))
    Press [q] to stop, [?] for help
    [rawvideo @ 0x1ca7fa0] **Invalid buffer size, packet size 130560 &lt; expected frame_size 393216**
    **Error while decoding stream #0:0: Invalid argument**
    frame=   43 fps=0.0 q=-1.0 Lsize=    8389kB time=00:00:01.72 bitrate=39954.8kbits/s<br />
    video:8382kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.078511%

    Any help will be appreciated.

    Thanks.

  • Ffmpeg live streaming to Youtube - "Connect streaming software to start preview"

    10 septembre 2019, par Zoltan Fedor

    I have an rtsp feed (H.265) which I am trying to stream to YouTube Live, but whatever I do YouTube Studio just showing the waiting icon with "Connect streaming software to start preview".

    .sh file for streaming :

    VBR="1000k"
    
FPS="30"
    
QUAL="ultrafast"
    
YOUTUBE_URL="rtmp://b.rtmp.youtube.com/live2"
    
SOURCE="rtsp://qhatever.org:8555/whatever.sdp"      
    
KEY="xxxx-xxxx-xxxx-xxxx"
    

    
~/ffmpeg-git-20190905-amd64-static/ffmpeg \
    
    -thread_queue_size 512 \
    
    -rtsp_transport tcp -i "$SOURCE" \
    
    -f lavfi -i anullsrc \
    
    -vcodec libx264 -pix_fmt yuvj420p -preset $QUAL -r $FPS -g $(($FPS * 2)) -b:v 2250k -minrate $VBR -maxrate 6000k -bufsize 6000k -keyint_min 60 \
    
    -acodec libmp3lame -ar 44100 -b:a 128k \
    
    -f flv "$YOUTUBE_URL/$KEY"

    Ffmpeg’s output :

    ffmpeg version N-49800-g2b66c757d6-static https://johnvansickle.com/ffmpeg/  Copyright (c) 2000-2019 the FFmpeg developers
    
  built with gcc 6.3.0 (Debian 6.3.0-18+deb9u1) 20170516
    
  configuration: --enable-gpl --enable-version3 --enable-static --disable-debug --disable-ffplay --disable-indev=sndio --disable-outdev=sndio --cc=gcc-6 --enable-fontconfig --enable-frei0r --enable-gnutls --enable-gmp --enable-libgme --enable-gray --enable-libaom --enable-libfribidi --enable-libass --enable-libvmaf --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-librubberband --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libvorbis --enable-libopus --enable-libtheora --enable-libvidstab --enable-libvo-amrwbenc --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libdav1d --enable-libxvid --enable-libzvbi --enable-libzimg
    
  libavutil      56. 35.100 / 56. 35.100
    
  libavcodec     58. 56.101 / 58. 56.101
    
  libavformat    58. 32.104 / 58. 32.104
    
  libavdevice    58.  9.100 / 58.  9.100
    
  libavfilter     7. 58.102 /  7. 58.102
    
  libswscale      5.  6.100 /  5.  6.100
    
  libswresample   3.  6.100 /  3.  6.100
    
  libpostproc    55.  6.100 / 55.  6.100
    
Input #0, rtsp, from 'rtsp://whatever.org:8555/whatever.sdp':
    
  Metadata:
    
    title           : streamed by the Rtsp Server
    
    comment         : RTSP_STREAM_0
    
  Duration: N/A, start: 0.000000, bitrate: N/A
    
    Stream #0:0: Video: hevc (Main), yuvj420p(pc, bt709), 1920x1080, 30 fps, 30 tbr, 90k tbn, 30 tbc
    
    Stream #0:1: Data: none
    
Input #1, lavfi, from 'anullsrc':
    
  Duration: N/A, start: 0.000000, bitrate: 705 kb/s
    
    Stream #1:0: Audio: pcm_u8, 44100 Hz, stereo, u8, 705 kb/s
    
Stream mapping:
    
  Stream #0:0 -> #0:0 (hevc (native) -> h264 (libx264))
    
  Stream #1:0 -> #0:1 (pcm_u8 (native) -> mp3 (libmp3lame))
    
Press [q] to stop, [?] for help
    
[hevc @ 0x5fbfd80] Could not find ref with POC 4
    
[libx264 @ 0x5fb9d80] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
    
[libx264 @ 0x5fb9d80] profile Constrained Baseline, level 4.0, 4:2:0, 8-bit
    
[libx264 @ 0x5fb9d80] 264 - core 157 r2969 d4099dd - H.264/MPEG-4 AVC codec - Copyleft 2003-2019 - http://www.videolan.org/x264.html - options: cabac=0 ref=1 deblock=0:0:0 analyse=0:0 me=dia subme=0 psy=1 psy_rd=1.00:0.00 mixed_ref=0 me_range=16 chroma_me=1 trellis=0 8x8dct=0 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=0 threads=3 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=0 weightp=0 keyint=60 keyint_min=31 scenecut=0 intra_refresh=0 rc_lookahead=0 rc=abr mbtree=0 bitrate=2250 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 vbv_maxrate=6000 vbv_bufsize=6000 nal_hrd=none filler=0 ip_ratio=1.40 aq=0
    
Output #0, flv, to 'rtmp://b.rtmp.youtube.com/live2/xxxx-xxxx-xxxx-xxxx':
    
  Metadata:
    
    title           : streamed by the Rtsp Server
    
    comment         : RTSP_STREAM_0
    
    encoder         : Lavf58.32.104
    
    Stream #0:0: Video: h264 (libx264) ([7][0][0][0] / 0x0007), yuvj420p(pc, progressive), 1920x1080, q=-1--1, 2250 kb/s, 30 fps, 1k tbn, 30 tbc
    
    Metadata:
    
      encoder         : Lavc58.56.101 libx264
    
    Side data:
    
      cpb: bitrate max/min/avg: 6000000/0/2250000 buffer size: 6000000 vbv_delay: N/A
    
    Stream #0:1: Audio: mp3 (libmp3lame) ([2][0][0][0] / 0x0002), 44100 Hz, stereo, s16p, 128 kb/s
    
    Metadata:
    
      encoder         : Lavc58.56.101 libmp3lame
    
frame= 522 fps=31 q=19.0 size=  8802Kb time=00:00:36:53 bitrate 2481.0kbits/s dup= drop=2 speed=1.01x

    Basically all looks good to me - still, in YouTube Studio only the waiting icon with the "Connect streaming software to start preview" message is visible, not video feed.

    Any ideas ?

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