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Autres articles (8)
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List of compatible distributions
26 avril 2011, parThe table below is the list of Linux distributions compatible with the automated installation script of MediaSPIP. Distribution nameVersion nameVersion number Debian Squeeze 6.x.x Debian Weezy 7.x.x Debian Jessie 8.x.x Ubuntu The Precise Pangolin 12.04 LTS Ubuntu The Trusty Tahr 14.04
If you want to help us improve this list, you can provide us access to a machine whose distribution is not mentioned above or send the necessary fixes to add (...) -
La file d’attente de SPIPmotion
28 novembre 2010, parUne file d’attente stockée dans la base de donnée
Lors de son installation, SPIPmotion crée une nouvelle table dans la base de donnée intitulée spip_spipmotion_attentes.
Cette nouvelle table est constituée des champs suivants : id_spipmotion_attente, l’identifiant numérique unique de la tâche à traiter ; id_document, l’identifiant numérique du document original à encoder ; id_objet l’identifiant unique de l’objet auquel le document encodé devra être attaché automatiquement ; objet, le type d’objet auquel (...) -
Récupération d’informations sur le site maître à l’installation d’une instance
26 novembre 2010, parUtilité
Sur le site principal, une instance de mutualisation est définie par plusieurs choses : Les données dans la table spip_mutus ; Son logo ; Son auteur principal (id_admin dans la table spip_mutus correspondant à un id_auteur de la table spip_auteurs)qui sera le seul à pouvoir créer définitivement l’instance de mutualisation ;
Il peut donc être tout à fait judicieux de vouloir récupérer certaines de ces informations afin de compléter l’installation d’une instance pour, par exemple : récupérer le (...)
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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 -
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
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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