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Les tâches Cron régulières de la ferme
1er décembre 2010, parLa gestion de la ferme passe par l’exécution à intervalle régulier de plusieurs tâches répétitives dites Cron.
Le super Cron (gestion_mutu_super_cron)
Cette tâche, planifiée chaque minute, a pour simple effet d’appeler le Cron de l’ensemble des instances de la mutualisation régulièrement. Couplée avec un Cron système sur le site central de la mutualisation, cela permet de simplement générer des visites régulières sur les différents sites et éviter que les tâches des sites peu visités soient trop (...) -
Configuration spécifique d’Apache
4 février 2011, parModules spécifiques
Pour la configuration d’Apache, il est conseillé d’activer certains modules non spécifiques à MediaSPIP, mais permettant d’améliorer les performances : mod_deflate et mod_headers pour compresser automatiquement via Apache les pages. Cf ce tutoriel ; mode_expires pour gérer correctement l’expiration des hits. Cf ce tutoriel ;
Il est également conseillé d’ajouter la prise en charge par apache du mime-type pour les fichiers WebM comme indiqué dans ce tutoriel.
Création d’un (...) -
Automated installation script of MediaSPIP
25 avril 2011, parTo overcome the difficulties mainly due to the installation of server side software dependencies, an "all-in-one" installation script written in bash was created to facilitate this step on a server with a compatible Linux distribution.
You must have access to your server via SSH and a root account to use it, which will install the dependencies. Contact your provider if you do not have that.
The documentation of the use of this installation script is available here.
The code of this (...)
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Converting avi to mp4 (use ffmpeg library) is very slow
7 décembre 2012, par yAnTarI have task - convert any video from user to mp4 format.
I use commandffmpeg -i $file -vcodec libx264 -vpre ultrafast -bt 500k -acodec libfaac -ab 56k -ac 2 -s 480x320 $outputFileMp4I try to change options bitrate, dimensions, but spped of converting is slow - 3 mbytes convert arround 90 seconds.
If i convert avi to flv - no problem.
FFmpeg version 0.6.5, Copyright (c) 2000-2010 the FFmpeg developers
built on Jan 29 2012 17:52:15 with gcc 4.4.5 20110214 (Red Hat 4.4.5-6)
configuration: --prefix=/usr --libdir=/usr/lib64 --shlibdir=/usr/lib64 --mandir=/usr/share/man --incdir=/usr/include --disable-avisynth --extra-cflags='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -fPIC' --enable-avfilter --enable-avfilter-lavf --enable-libdc1394 --enable-libdirac --enable-libfaac --enable-libfaad --enable-libfaadbin --enable-libgsm --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-librtmp --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libx264 --enable-gpl --enable-nonfree --enable-postproc --enable-pthreads --enable-shared --enable-swscale --enable-vdpau --enable-version3 --enable-x11grab
libavutil 50.15. 1 / 50.15. 1
libavcodec 52.72. 2 / 52.72. 2
libavformat 52.64. 2 / 52.64. 2
libavdevice 52. 2. 0 / 52. 2. 0
libavfilter 1.19. 0 / 1.19. 0
libswscale 0.11. 0 / 0.11. 0
libpostproc 51. 2. 0 / 51. 2. 0
Input #0, avi, from 'intro.avi':
Duration: 00:07:48.53, start: 0.000000, bitrate: 244 kb/s
Stream #0.0: Video: camtasia, bgr24, 800x600, 15 tbr, 15 tbn, 15 tbc
Metadata:
strn : Camtasia Producer_render549ab1f.avi Video #1
Stream #0.1: Audio: pcm_s16le, 12000 Hz, 1 channels, s16, 192 kb/s
Metadata:
strn : Microsoft Waveform: Camtasia Producer_render549ab1f.wav
[libx264 @ 0x1202e40]using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.1 Cache64
[libx264 @ 0x1202e40]profile Constrained Baseline, level 2.2
[libx264 @ 0x1202e40]264 - core 107 - H.264/MPEG-4 AVC codec - Copyleft 2003-2010 - http://www.videolan.org/x264.html - options: cabac=0 ref=1 deblock=0:0:0 analyse=0x1:0 me=dia subme=0 psy=1 psy_rd=0.00:0.00 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=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 constrained_intra=0 bframes=0 weightp=0 keyint=250 keyint_min=25 scenecut=0 intra_refresh=0 rc=abr mbtree=0 bitrate=200 ratetol=2.5 qcomp=0.60 qpmin=10 qpmax=51 qpstep=4 ip_ratio=1.41 aq=0
Output #0, mp4, to 'test2.mp4':
Metadata:
encoder : Lavf52.64.2
Stream #0.0: Video: libx264, yuv420p, 640x480, q=10-51, 200 kb/s, 15 tbn, 15 tbc
Metadata:
strn : Camtasia Producer_render549ab1f.avi Video #1
Stream #0.1: Audio: libfaac, 12000 Hz, 2 channels, s16, 5 kb/s
Metadata:
strn : Microsoft Waveform: Camtasia Producer_render549ab1f.wav
Stream mapping:
Stream #0.0 -> #0.0
Stream #0.1 -> #0.1and result of executing
frame= 7028 fps= 52 q=10.0 Lsize= 2654kB time=468.31 bitrate= 46.4kbits/s
video:1883kB audio:672kB global headers:0kB muxing overhead 3.876805%
[libx264 @ 0xe1ee40]frame I:29 Avg QP:10.83 size: 25781
[libx264 @ 0xe1ee40]frame P:6999 Avg QP:10.08 size: 169
[libx264 @ 0xe1ee40]mb I I16..4: 80.1% 0.0% 19.9%
[libx264 @ 0xe1ee40]mb P I16..4: 0.2% 0.0% 0.0% P16..4: 0.2% 0.0% 0.0% 0.0% 0.0% skip:99.6%
[libx264 @ 0xe1ee40]final ratefactor: 5.71
[libx264 @ 0xe1ee40]coded y,uvDC,uvAC intra: 37.1% 3.3% 3.1% inter: 0.1% 0.0% 0.0%
[libx264 @ 0xe1ee40]i16 v,h,dc,p: 87% 12% 1% 0%
[libx264 @ 0xe1ee40]i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 20% 23% 27% 8% 6% 3% 3% 2% 8%
[libx264 @ 0xe1ee40]i8c dc,h,v,p: 94% 6% 0% 0%
[libx264 @ 0xe1ee40]kb/s:32.91 -
ffmpeg watermark bottom right corner
8 décembre 2012, par John DoeI am not sure why, but I cannot seem to get a watermark rendered on the bottom right corner of my video using ffmpeg.
I am using the following command :
ffmpeg –i faded.mov -vf "movie=logo.png [watermark]; [in][watermark] overlay=(main_w-overlay_w-10)/2:(main_h-overlay_h-10)/2 [out]" outputvideo.movI see the following output :
ffmpeg version 0.8.4-4:0.8.4-0ubuntu0.12.04.1, Copyright (c) 2000-2012 the Libav developers
built on Nov 6 2012 16:50:25 with gcc 4.6.3
*** THIS PROGRAM IS DEPRECATED ***
This program is only provided for compatibility and will be removed in a future release. Please use avconv instead.
Input #0, avi, from 'faded.mov':
Metadata:
encoder : MEncoder svn r34540 (Ubuntu), built with gcc-4.6
Duration: 00:00:20.02, start: 0.000000, bitrate: 3136 kb/s
Stream #0.0: Video: mpeg4 (Simple Profile), yuv420p, 1280x720 [PAR 1:1 DAR 16:9], 50 tbr, 50 tbn, 50 tbc
Stream #0.1: Audio: pcm_s16le, 48000 Hz, 2 channels, s16, 1536 kb/s
[buffer @ 0x905b7a0] w:1280 h:720 pixfmt:yuv420p
[movie @ 0x90527e0] seek_point:0 format_name:(null) file_name:logo2.png stream_index:0
[overlay @ 0x9053080] auto-inserting filter 'auto-inserted scaler 0' between the filter 'Parsed filter 0 movie' and the filter 'Parsed filter 1 overlay'
[scale @ 0x9054ba0] w:144 h:144 fmt:bgra -> w:144 h:144 fmt:yuva420p flags:0x4
[overlay @ 0x9053080] main w:1280 h:720 fmt:yuv420p overlay x:568 y:288 w:144 h:144 fmt:yuva420p
[overlay @ 0x9053080] main_tb:1/1000000 overlay_tb:1/25 -> tb:1/1000000 exact:1
Output #0, mov, to 'outputvideo3.mov':
Metadata:
encoder : Lavf53.21.0
Stream #0.0: Video: mpeg4, yuv420p, 1280x720 [PAR 1:1 DAR 16:9], q=2-31, 200 kb/s, 50 tbn, 50 tbc
Stream #0.1: Audio: libvo_aacenc, 48000 Hz, 2 channels, s16, 200 kb/s
Stream mapping:
Stream #0.0 -> #0.0
Stream #0.1 -> #0.1
Press ctrl-c to stop encoding
frame= 1001 fps=137 q=31.0 Lsize= 3668kB time=20.02 bitrate=1501.1kbits/s
video:3159kB audio:492kB global headers:0kB muxing overhead 0.460112%
hussan@ubuntu:~/Documents/testvideo$ ffmpeg –i faded.mov -vf "movie=logo2.png [watermark]; [in][watermark] overlay=(main_w-overlay_w-10)/2:(main_h-overlay_h-10)/2 [out]" outputvideo3.mov
ffmpeg version 0.8.4-4:0.8.4-0ubuntu0.12.04.1, Copyright (c) 2000-2012 the Libav developers
built on Nov 6 2012 16:50:25 with gcc 4.6.3
*** THIS PROGRAM IS DEPRECATED ***
This program is only provided for compatibility and will be removed in a future release. Please use avconv instead.
Unable to find a suitable output format for '–i'If anyone has any ideas that would be greatly appreciated !
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Converting avi to mp4 (use ffmpeg library) is very slow [closed]
7 décembre 2012, par yAnTarI have task - convert any video from user to mp4 format.
I use commandffmpeg -i $file -vcodec libx264 -vpre ultrafast -bt 500k -acodec libfaac -ab 56k -ac 2 -s 480x320 $outputFileMp4I try to change options bitrate, dimensions, but spped of converting is slow - 3 mbytes convert arround 90 seconds.
If i convert avi to flv - no problem.
FFmpeg version 0.6.5, Copyright (c) 2000-2010 the FFmpeg developers
built on Jan 29 2012 17:52:15 with gcc 4.4.5 20110214 (Red Hat 4.4.5-6)
configuration: --prefix=/usr --libdir=/usr/lib64 --shlibdir=/usr/lib64 --mandir=/usr/share/man --incdir=/usr/include --disable-avisynth --extra-cflags='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -fPIC' --enable-avfilter --enable-avfilter-lavf --enable-libdc1394 --enable-libdirac --enable-libfaac --enable-libfaad --enable-libfaadbin --enable-libgsm --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-librtmp --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libx264 --enable-gpl --enable-nonfree --enable-postproc --enable-pthreads --enable-shared --enable-swscale --enable-vdpau --enable-version3 --enable-x11grab
libavutil 50.15. 1 / 50.15. 1
libavcodec 52.72. 2 / 52.72. 2
libavformat 52.64. 2 / 52.64. 2
libavdevice 52. 2. 0 / 52. 2. 0
libavfilter 1.19. 0 / 1.19. 0
libswscale 0.11. 0 / 0.11. 0
libpostproc 51. 2. 0 / 51. 2. 0
Input #0, avi, from 'intro.avi':
Duration: 00:07:48.53, start: 0.000000, bitrate: 244 kb/s
Stream #0.0: Video: camtasia, bgr24, 800x600, 15 tbr, 15 tbn, 15 tbc
Metadata:
strn : Camtasia Producer_render549ab1f.avi Video #1
Stream #0.1: Audio: pcm_s16le, 12000 Hz, 1 channels, s16, 192 kb/s
Metadata:
strn : Microsoft Waveform: Camtasia Producer_render549ab1f.wav
[libx264 @ 0x1202e40]using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.1 Cache64
[libx264 @ 0x1202e40]profile Constrained Baseline, level 2.2
[libx264 @ 0x1202e40]264 - core 107 - H.264/MPEG-4 AVC codec - Copyleft 2003-2010 - http://www.videolan.org/x264.html - options: cabac=0 ref=1 deblock=0:0:0 analyse=0x1:0 me=dia subme=0 psy=1 psy_rd=0.00:0.00 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=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 constrained_intra=0 bframes=0 weightp=0 keyint=250 keyint_min=25 scenecut=0 intra_refresh=0 rc=abr mbtree=0 bitrate=200 ratetol=2.5 qcomp=0.60 qpmin=10 qpmax=51 qpstep=4 ip_ratio=1.41 aq=0
Output #0, mp4, to 'test2.mp4':
Metadata:
encoder : Lavf52.64.2
Stream #0.0: Video: libx264, yuv420p, 640x480, q=10-51, 200 kb/s, 15 tbn, 15 tbc
Metadata:
strn : Camtasia Producer_render549ab1f.avi Video #1
Stream #0.1: Audio: libfaac, 12000 Hz, 2 channels, s16, 5 kb/s
Metadata:
strn : Microsoft Waveform: Camtasia Producer_render549ab1f.wav
Stream mapping:
Stream #0.0 -> #0.0
Stream #0.1 -> #0.1and result of executing
frame= 7028 fps= 52 q=10.0 Lsize= 2654kB time=468.31 bitrate= 46.4kbits/s
video:1883kB audio:672kB global headers:0kB muxing overhead 3.876805%
[libx264 @ 0xe1ee40]frame I:29 Avg QP:10.83 size: 25781
[libx264 @ 0xe1ee40]frame P:6999 Avg QP:10.08 size: 169
[libx264 @ 0xe1ee40]mb I I16..4: 80.1% 0.0% 19.9%
[libx264 @ 0xe1ee40]mb P I16..4: 0.2% 0.0% 0.0% P16..4: 0.2% 0.0% 0.0% 0.0% 0.0% skip:99.6%
[libx264 @ 0xe1ee40]final ratefactor: 5.71
[libx264 @ 0xe1ee40]coded y,uvDC,uvAC intra: 37.1% 3.3% 3.1% inter: 0.1% 0.0% 0.0%
[libx264 @ 0xe1ee40]i16 v,h,dc,p: 87% 12% 1% 0%
[libx264 @ 0xe1ee40]i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 20% 23% 27% 8% 6% 3% 3% 2% 8%
[libx264 @ 0xe1ee40]i8c dc,h,v,p: 94% 6% 0% 0%
[libx264 @ 0xe1ee40]kb/s:32.91
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