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Rennes Emotion Map 2010-11
19 octobre 2011, par
Mis à jour : Juillet 2013
Langue : français
Type : Texte
Autres articles (111)
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Script d’installation automatique de MediaSPIP
25 avril 2011, parAfin de palier aux difficultés d’installation dues principalement aux dépendances logicielles coté serveur, un script d’installation "tout en un" en bash a été créé afin de faciliter cette étape sur un serveur doté d’une distribution Linux compatible.
Vous devez bénéficier d’un accès SSH à votre serveur et d’un compte "root" afin de l’utiliser, ce qui permettra d’installer les dépendances. Contactez votre hébergeur si vous ne disposez pas de cela.
La documentation de l’utilisation du script d’installation (...) -
Les notifications de la ferme
1er décembre 2010, parAfin d’assurer une gestion correcte de la ferme, il est nécessaire de notifier plusieurs choses lors d’actions spécifiques à la fois à l’utilisateur mais également à l’ensemble des administrateurs de la ferme.
Les notifications de changement de statut
Lors d’un changement de statut d’une instance, l’ensemble des administrateurs de la ferme doivent être notifiés de cette modification ainsi que l’utilisateur administrateur de l’instance.
À la demande d’un canal
Passage au statut "publie"
Passage au (...) -
Initialisation de MediaSPIP (préconfiguration)
20 février 2010, parLors de l’installation de MediaSPIP, celui-ci est préconfiguré pour les usages les plus fréquents.
Cette préconfiguration est réalisée par un plugin activé par défaut et non désactivable appelé MediaSPIP Init.
Ce plugin sert à préconfigurer de manière correcte chaque instance de MediaSPIP. Il doit donc être placé dans le dossier plugins-dist/ du site ou de la ferme pour être installé par défaut avant de pouvoir utiliser le site.
Dans un premier temps il active ou désactive des options de SPIP qui ne le (...)
Sur d’autres sites (9181)
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omxplayer freezes with videos generated with FFMPEG
31 décembre 2020, par ChocksmithOmxplayer won't play any videos generated with FFmpeg on a Raspberry Pi


I found this thread showing that it is necessary to include '-profile baseline -level 3.0' parameters : https://github.com/popcornmix/omxplayer/issues/577


The full command is :


ffmpeg -framerate 1/10 -pattern_type glob -i '*.jpg' -c:v libx264 -pix_fmt yuv420p -profile baseline -level 3.0 images.mp4



I did that and now I am experiencing intermittent behavior.


Sometimes it works and sometimes it does not work. I cannot explain why/when it plays or not.


I also found a thread showing that it is necessary to upgrade the firmware and player. I did that and still having the same issue.


Here is an example. First time it plays ok. Second time it freezes.


First time : creating mp4


(env) pi@raspberrypi:~/mkt $ ffmpeg -framerate 1/10 -pattern_type glob -i 'mensagens/*.jpeg' -c:v libx264 -pix_fmt yuv420p -profile baseline -level 3.0 images.mp4
ffmpeg version 4.1.6-1~deb10u1+rpt1 Copyright (c) 2000-2020 the FFmpeg developers
 built with gcc 8 (Raspbian 8.3.0-6+rpi1)
 configuration: --prefix=/usr --extra-version='1~deb10u1+rpt1' --toolchain=hardened --incdir=/usr/include/arm-linux-gnueabihf --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-omx-rpi --enable-mmal --enable-neon --enable-rpi --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared --libdir=/usr/lib/arm-linux-gnueabihf --cpu=arm1176jzf-s --arch=arm
 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
 libavresample 4. 0. 0 / 4. 0. 0
 libswscale 5. 3.100 / 5. 3.100
 libswresample 3. 3.100 / 3. 3.100
 libpostproc 55. 3.100 / 55. 3.100
Input #0, image2, from 'mensagens/*.jpeg':
 Duration: 00:01:10.00, start: 0.000000, bitrate: N/A
 Stream #0:0: Video: mjpeg, yuvj444p(pc, bt470bg/unknown/unknown), 1024x768 [SAR 72:72 DAR 4:3], 0.10 fps, 0.10 tbr, 0.10 tbn, 0.10 tbc
Please use -profile:a or -profile:v, -profile is ambiguous
Stream mapping:
 Stream #0:0 -> #0:0 (mjpeg (native) -> h264 (libx264))
Press [q] to stop, [?] for help
[swscaler @ 0x182ad70] deprecated pixel format used, make sure you did set range correctly
[libx264 @ 0x17b1170] using SAR=1/1
[libx264 @ 0x17b1170] frame MB size (64x48) > level limit (1620)
[libx264 @ 0x17b1170] using cpu capabilities: none!
[libx264 @ 0x17b1170] profile Constrained Baseline, level 3.0
[libx264 @ 0x17b1170] 264 - core 155 r2917 0a84d98 - H.264/MPEG-4 AVC codec - Copyleft 2003-2018 - http://www.videolan.org/x264.html - options: cabac=0 ref=2 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=-2 threads=1 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=0 weightp=0 keyint=250 keyint_min=1 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 'images.mp4':
 Metadata:
 encoder : Lavf58.20.100
 Stream #0:0: Video: h264 (libx264) (avc1 / 0x31637661), yuv420p, 1024x768 [SAR 1:1 DAR 4:3], q=-1--1, 0.10 fps, 16384 tbn, 0.10 tbc
 Metadata:
 encoder : Lavc58.35.100 libx264
 Side data:
 cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
frame= 7 fps=0.7 q=15.0 Lsize= 79kB time=00:01:00.00 bitrate= 10.8kbits/s speed=5.66x 
video:78kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 1.085207%
[libx264 @ 0x17b1170] frame I:3 Avg QP: 2.03 size: 14789
[libx264 @ 0x17b1170] frame P:4 Avg QP: 5.28 size: 8794
[libx264 @ 0x17b1170] mb I I16..4: 91.0% 0.0% 9.0%
[libx264 @ 0x17b1170] mb P I16..4: 26.1% 0.0% 3.8% P16..4: 3.4% 1.3% 1.0% 0.0% 0.0% skip:64.4%
[libx264 @ 0x17b1170] coded y,uvDC,uvAC intra: 6.5% 0.0% 0.0% inter: 2.8% 0.0% 0.0%
[libx264 @ 0x17b1170] i16 v,h,dc,p: 97% 1% 2% 0%
[libx264 @ 0x17b1170] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 41% 19% 20% 4% 3% 4% 3% 3% 3%
[libx264 @ 0x17b1170] i8c dc,h,v,p: 100% 0% 0% 0%
[libx264 @ 0x17b1170] ref P L0: 55.1% 44.9%
[libx264 @ 0x17b1170] kb/s:9.09



First time playing mp4 (it plays OK) :


(env) pi@raspberrypi:~/mkt $ omxplayer images.mp4 
Invalid framerate 0, using forced 25fps and just trust timestamps
Video codec omx-h264 width 1024 height 768 profile 578 fps 25.000000
Subtitle count: 0, state: off, index: 1, delay: 0
V:PortSettingsChanged: 1024x768@0.10 interlace:0 deinterlace:0 anaglyph:0 par:1.00 display:0 layer:0 alpha:255 aspectMode:0
have a nice day ;)



Second time creating mp4 (nothing changes) :


(env) pi@raspberrypi:~/mkt $ ffmpeg -framerate 1/10 -pattern_type glob -i 'mensagens/*.jpeg' -c:v libx264 -pix_fmt yuv420p -profile baseline -level 3.0 images.mp4
ffmpeg version 4.1.6-1~deb10u1+rpt1 Copyright (c) 2000-2020 the FFmpeg developers
 built with gcc 8 (Raspbian 8.3.0-6+rpi1)
 configuration: --prefix=/usr --extra-version='1~deb10u1+rpt1' --toolchain=hardened --incdir=/usr/include/arm-linux-gnueabihf --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-omx-rpi --enable-mmal --enable-neon --enable-rpi --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared --libdir=/usr/lib/arm-linux-gnueabihf --cpu=arm1176jzf-s --arch=arm
 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
 libavresample 4. 0. 0 / 4. 0. 0
 libswscale 5. 3.100 / 5. 3.100
 libswresample 3. 3.100 / 3. 3.100
 libpostproc 55. 3.100 / 55. 3.100
Input #0, image2, from 'mensagens/*.jpeg':
 Duration: 00:01:10.00, start: 0.000000, bitrate: N/A
 Stream #0:0: Video: mjpeg, yuvj444p(pc, bt470bg/unknown/unknown), 1024x768 [SAR 72:72 DAR 4:3], 0.10 fps, 0.10 tbr, 0.10 tbn, 0.10 tbc
Please use -profile:a or -profile:v, -profile is ambiguous
File 'images.mp4' already exists. Overwrite ? [y/N] y
Stream mapping:
 Stream #0:0 -> #0:0 (mjpeg (native) -> h264 (libx264))
Press [q] to stop, [?] for help
[swscaler @ 0x1c5fd70] deprecated pixel format used, make sure you did set range correctly
[libx264 @ 0x1be6170] using SAR=1/1
[libx264 @ 0x1be6170] frame MB size (64x48) > level limit (1620)
[libx264 @ 0x1be6170] using cpu capabilities: none!
[libx264 @ 0x1be6170] profile Constrained Baseline, level 3.0
[libx264 @ 0x1be6170] 264 - core 155 r2917 0a84d98 - H.264/MPEG-4 AVC codec - Copyleft 2003-2018 - http://www.videolan.org/x264.html - options: cabac=0 ref=2 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=-2 threads=1 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=0 weightp=0 keyint=250 keyint_min=1 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 'images.mp4':
 Metadata:
 encoder : Lavf58.20.100
 Stream #0:0: Video: h264 (libx264) (avc1 / 0x31637661), yuv420p, 1024x768 [SAR 1:1 DAR 4:3], q=-1--1, 0.10 fps, 16384 tbn, 0.10 tbc
 Metadata:
 encoder : Lavc58.35.100 libx264
 Side data:
 cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
frame= 7 fps=0.7 q=15.0 Lsize= 79kB time=00:01:00.00 bitrate= 10.8kbits/s speed=5.78x 
video:78kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 1.085207%
[libx264 @ 0x1be6170] frame I:3 Avg QP: 2.03 size: 14789
[libx264 @ 0x1be6170] frame P:4 Avg QP: 5.28 size: 8794
[libx264 @ 0x1be6170] mb I I16..4: 91.0% 0.0% 9.0%
[libx264 @ 0x1be6170] mb P I16..4: 26.1% 0.0% 3.8% P16..4: 3.4% 1.3% 1.0% 0.0% 0.0% skip:64.4%
[libx264 @ 0x1be6170] coded y,uvDC,uvAC intra: 6.5% 0.0% 0.0% inter: 2.8% 0.0% 0.0%
[libx264 @ 0x1be6170] i16 v,h,dc,p: 97% 1% 2% 0%
[libx264 @ 0x1be6170] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 41% 19% 20% 4% 3% 4% 3% 3% 3%
[libx264 @ 0x1be6170] i8c dc,h,v,p: 100% 0% 0% 0%
[libx264 @ 0x1be6170] ref P L0: 55.1% 44.9%
[libx264 @ 0x1be6170] kb/s:9.09



Second time playing mp4 (it freezes. I had to ctrl-c to interrupt) :


(env) pi@raspberrypi:~/mkt $ omxplayer images.mp4 
Invalid framerate 0, using forced 25fps and just trust timestamps
Video codec omx-h264 width 1024 height 768 profile 578 fps 25.000000
Subtitle count: 0, state: off, index: 1, delay: 0
Stopped at: 00:00:00
have a nice day ;)



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Core : fixed Regular Expression Denial of Service vulnerability (#2371)
9 janvier 2021, par staabmCore : fixed Regular Expression Denial of Service vulnerability (#2371)
ReDoS, or Regular Expression Denial of Service, is a vulnerability affecting
poorly constructed and potentially inefficient regular expressions which can
make them perform extremely badly given a creatively constructed input string.GHSL-2020-294
credits to @erik-krogh for reporting the issue and providing a fix
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python suggests ffmpeg installation when it is installed
17 janvier 2021, par FNTEI have a problem related to the bar_chart_race python package. I have installed ffmpeg but when I execute my code, I get :


You do not have ffmpeg installed on your machine. 
Download from here: https://www.ffmpeg.org/download.html.



I know that I have used this package before and it was all good. I have installed ffmpeg version :


ffmpeg -version
ffmpeg version 4.2.3 Copyright (c) 2000-2020 the FFmpeg developers
built with gcc 9.3.1 (GCC) 20200523



Do you know what I can do ? I have bin folder in path.