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Carte de Schillerkiez
13 mai 2011, par
Mis à jour : Septembre 2011
Langue : English
Type : Texte
Autres articles (73)
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Submit enhancements and plugins
13 avril 2011If you have developed a new extension to add one or more useful features to MediaSPIP, let us know and its integration into the core MedisSPIP functionality will be considered.
You can use the development discussion list to request for help with creating a plugin. As MediaSPIP is based on SPIP - or you can use the SPIP discussion list SPIP-Zone. -
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 (...) -
Submit bugs and patches
13 avril 2011Unfortunately a software is never perfect.
If you think you have found a bug, report it using our ticket system. Please to help us to fix it by providing the following information : the browser you are using, including the exact version as precise an explanation as possible of the problem if possible, the steps taken resulting in the problem a link to the site / page in question
If you think you have solved the bug, fill in a ticket and attach to it a corrective patch.
You may also (...)
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How to convert 1080px mp4 video to 360p,480,720px,1080 like available in Youtube via ffmpeg
14 février 2016, par Deep dhaliwalThis is code.. I am in doubt about "-b" what about it. What about it ? Is it correct ? Please check and give improved version
ffmpeg -i 'input.mp4' -ab 192k -ar 44000 -r 24 -aspect 4:3 -b 899k -vcodec mpeg4 -s 640*360 'output.mp4'
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Rotate video, output maximum 1920 x 1080 pixels
9 avril 2014, par Fabien BillerI used
ffmpeg.exe -ss 310 -i "H:\_REC\100MEDIA\someavi.AVI" -ss 0 -t 14 -vf "rotate='54*PI/180:ow=hypot(iw,ih):oh=ow'" -vf scale=1920:1080 "H:\_REC\100MEDIA\somemp4.mp4"
which should rotate the video(currently 1920 x 1080, MJPEG, 30fps) around 54° and fit it into 1920 x 1080 Pixels.
What it does is, it ignores the
-vf "rotate='54*PI/180:ow=hypot(iw,ih):oh=ow'" -vf scale=1920:1080
and returns the snippet.What to change ?
PS : ffmpeg version N-59696-gc0a33c4
OUTPUT :
E:\Ffmpeg\bin>ffmpeg -ss 310 -i "H:\_REC\100MEDIA\someavi.AVI"
-ss 0 -t 14 -vf "rotate='54*PI/180:ow=hypot(iw,ih):oh=ow'" -vf sca
le=1920:1080 "H:\_REC\100MEDIA\somemp4.mp4"
ffmpeg version N-59696-gc0a33c4 Copyright (c) 2000-2014 the FFmpeg developers
built on Jan 8 2014 22:07:06 with gcc 4.8.2 (GCC)
configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-av
isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enab
le-iconv --enable-libass --enable-libbluray --enable-libcaca --enable-libfreetyp
e --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --ena
ble-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-l
ibopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libsp
eex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-aa
cenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavp
ack --enable-libx264 --enable-libxavs --enable-libxvid --enable-zlib
libavutil 52. 62.100 / 52. 62.100
libavcodec 55. 47.100 / 55. 47.100
libavformat 55. 22.102 / 55. 22.102
libavdevice 55. 5.102 / 55. 5.102
libavfilter 4. 0.103 / 4. 0.103
libswscale 2. 5.101 / 2. 5.101
libswresample 0. 17.104 / 0. 17.104
libpostproc 52. 3.100 / 52. 3.100
[avi @ 0000000002858060] non-interleaved AVI
Guessed Channel Layout for Input Stream #0.1 : mono
Input #0, avi, from 'H:\_REC\100MEDIA\someavi.AVI':
Duration: 00:19:59.95, start: 0.000000, bitrate: 13866 kb/s
Stream #0:0: Video: mjpeg (MJPG / 0x47504A4D), yuvj420p(pc), 1920x1080, 30 t
br, 30 tbn, 30 tbc
Stream #0:1: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 8000 Hz, mono, s16, 1
28 kb/s
File 'H:\_REC\100MEDIA\somemp4.mp4' already exists.
Overwrite ? [y/N] y
No pixel format specified, yuvj420p for H.264 encoding chosen.
Use -pix_fmt yuv420p for compatibility with outdated media players.
[libx264 @ 00000000049f2980] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2
AVX
[libx264 @ 00000000049f2980] profile High, level 4.0
[libx264 @ 00000000049f2980] 264 - core 140 r2377 1ca7bb9 - H.264/MPEG-4 AVC cod
ec - Copyleft 2003-2013 - http://www.videolan.org/x264.html - options: cabac=1 r
ef=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed
_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pski
p=1 chroma_qp_offset=-2 threads=12 lookahead_threads=2 sliced_threads=0 nr=0 dec
imate=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 'H:\_REC\100MEDIA\somemp4.mp4':
Metadata:
encoder : Lavf55.22.102
Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuvj420p, 1920x
1080, q=-1--1, 1000k tbn, 30 tbc
Stream #0:1: Audio: aac (libvo_aacenc) ([64][0][0][0] / 0x0040), 8000 Hz, mo
no, s16, 128 kb/s
Stream mapping:
Stream #0:0 -> #0:0 (mjpeg -> libx264)
Stream #0:1 -> #0:1 (pcm_s16le -> libvo_aacenc)
Press [q] to stop, [?] for help
frame= 30 fps=0.0 q=0.0 size= 0kB time=00:00:00.82 bitrate= 0.5kbits/s
frame= 55 fps= 54 q=0.0 size= 0kB time=00:00:01.59 bitrate= 0.2kbits/s
frame= 75 fps= 46 q=29.0 size= 600kB time=00:00:02.10 bitrate=2337.0kbits/
frame= 90 fps= 41 q=29.0 size= 1017kB time=00:00:02.61 bitrate=3185.9kbits/
frame= 105 fps= 37 q=29.0 size= 1482kB time=00:00:03.12 bitrate=3881.8kbits/
frame= 120 fps= 35 q=29.0 size= 1959kB time=00:00:03.76 bitrate=4258.3kbits/
frame= 140 fps= 35 q=29.0 size= 2588kB time=00:00:04.28 bitrate=4953.2kbits/
frame= 145 fps= 32 q=29.0 size= 2742kB time=00:00:04.66 bitrate=4816.0kbits/
frame= 162 fps= 32 q=29.0 size= 3274kB time=00:00:05.17 bitrate=5181.6kbits/
frame= 177 fps= 32 q=29.0 size= 3744kB time=00:00:05.56 bitrate=5515.8kbits/
frame= 190 fps= 31 q=29.0 size= 4144kB time=00:00:06.07 bitrate=5591.5kbits/
frame= 205 fps= 31 q=29.0 size= 4612kB time=00:00:06.45 bitrate=5851.7kbits/
frame= 215 fps= 30 q=29.0 size= 4895kB time=00:00:06.96 bitrate=5754.9kbits/
frame= 227 fps= 30 q=29.0 size= 5169kB time=00:00:07.35 bitrate=5759.4kbits/
frame= 245 fps= 30 q=29.0 size= 5571kB time=00:00:07.99 bitrate=5710.1kbits/
frame= 262 fps= 30 q=29.0 size= 6052kB time=00:00:08.50 bitrate=5830.4kbits/
frame= 280 fps= 30 q=29.0 size= 6505kB time=00:00:09.14 bitrate=5827.4kbits/
frame= 300 fps= 30 q=29.0 size= 7048kB time=00:00:09.65 bitrate=5979.4kbits/
frame= 305 fps= 29 q=29.0 size= 7175kB time=00:00:09.91 bitrate=5930.2kbits/
frame= 322 fps= 29 q=29.0 size= 7675kB time=00:00:10.55 bitrate=5958.3kbits/
frame= 342 fps= 29 q=29.0 size= 8237kB time=00:00:11.06 bitrate=6098.9kbits/
frame= 357 fps= 29 q=29.0 size= 8661kB time=00:00:11.70 bitrate=6062.0kbits/
frame= 369 fps= 29 q=29.0 size= 9010kB time=00:00:12.08 bitrate=6105.8kbits/
frame= 387 fps= 29 q=29.0 size= 9501kB time=00:00:12.72 bitrate=6115.2kbits/
frame= 407 fps= 29 q=29.0 size= 10052kB time=00:00:13.24 bitrate=6219.2kbits/
frame= 414 fps= 29 q=29.0 size= 10257kB time=00:00:13.62 bitrate=6167.7kbits/
frame= 421 fps= 26 q=-1.0 Lsize= 12062kB time=00:00:14.00 bitrate=7053.8kbits
/s dup=253 drop=0
video:12036kB audio:19kB subtitle:0 global headers:0kB muxing overhead 0.054462%
[libx264 @ 00000000049f2980] frame I:2 Avg QP:21.20 size:106302
[libx264 @ 00000000049f2980] frame P:336 Avg QP:23.51 size: 36006
[libx264 @ 00000000049f2980] frame B:83 Avg QP:23.96 size: 169
[libx264 @ 00000000049f2980] consecutive B-frames: 60.6% 39.4% 0.0% 0.0%
[libx264 @ 00000000049f2980] mb I I16..4: 2.0% 96.2% 1.8%
[libx264 @ 00000000049f2980] mb P I16..4: 0.6% 31.1% 0.1% P16..4: 13.6% 3.3
% 1.4% 0.0% 0.0% skip:49.8%
[libx264 @ 00000000049f2980] mb B I16..4: 0.0% 0.0% 0.0% B16..8: 1.3% 0.0
% 0.0% direct: 0.0% skip:98.7% L0: 1.5% L1:98.5% BI: 0.0%
[libx264 @ 00000000049f2980] 8x8 transform intra:97.7% inter:79.3%
[libx264 @ 00000000049f2980] coded y,uvDC,uvAC intra: 86.0% 87.6% 8.9% inter: 9.
3% 15.7% 1.4%
[libx264 @ 00000000049f2980] i16 v,h,dc,p: 7% 7% 6% 80%
[libx264 @ 00000000049f2980] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 16% 14% 54% 3% 3%
2% 3% 3% 3%
[libx264 @ 00000000049f2980] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 14% 12% 14% 6% 21%
5% 19% 5% 4%
[libx264 @ 00000000049f2980] i8c dc,h,v,p: 47% 24% 25% 3%
[libx264 @ 00000000049f2980] Weighted P-Frames: Y:3.6% UV:3.0%
[libx264 @ 00000000049f2980] ref P L0: 57.9% 15.5% 9.5% 16.4% 0.7%
[libx264 @ 00000000049f2980] ref B L0: 34.6% 65.4%
[libx264 @ 00000000049f2980] kb/s:7025.99 -
FFmpeg scale 720*1080 video to 720*404, it not effect, it play as 279 × 404,and use ffmpeg -i it shows 720*404
16 mars 2018, par yue guanFFmpeg scale 720*1080 video to 720*404, it not effect, it plays as 279 × 404, and use cmd
ffmpeg -i scaled.mp4
it shows 720*404.
Then I use cmdffmpeg -i scaled.mp4 -y -f image2 -ss 1 -vframes 1 ./xx.jpg
to get the thumbnail, but I got the size is 720*404.
Why ?
and How can I capture the thumbnail of the video as 279*404 ?
and How can I scale the video as the size what I defined ?the video link :enter link description here