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Médias (1)
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La conservation du net art au musée. Les stratégies à l’œuvre
26 mai 2011
Mis à jour : Juillet 2013
Langue : français
Type : Texte
Autres articles (59)
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Les autorisations surchargées par les plugins
27 avril 2010, parMediaspip core
autoriser_auteur_modifier() afin que les visiteurs soient capables de modifier leurs informations sur la page d’auteurs -
Publier sur MédiaSpip
13 juin 2013Puis-je poster des contenus à partir d’une tablette Ipad ?
Oui, si votre Médiaspip installé est à la version 0.2 ou supérieure. Contacter au besoin l’administrateur de votre MédiaSpip pour le savoir -
Support de tous types de médias
10 avril 2011Contrairement à beaucoup de logiciels et autres plate-formes modernes de partage de documents, MediaSPIP a l’ambition de gérer un maximum de formats de documents différents qu’ils soient de type : images (png, gif, jpg, bmp et autres...) ; audio (MP3, Ogg, Wav et autres...) ; vidéo (Avi, MP4, Ogv, mpg, mov, wmv et autres...) ; contenu textuel, code ou autres (open office, microsoft office (tableur, présentation), web (html, css), LaTeX, Google Earth) (...)
Sur d’autres sites (10324)
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ffmpeg gives an error Option movflags not found
12 juillet 2013, par HemantIn Ubuntu 12.04 LTS I have used
-movflags frag_keyframe+empty_moov
in my ffmpeg command :ffmpeg -i http://filesbe.vocativ.internal.net/03/44/SN/q1/xg/xl/0344SNq1xgxl.flv \
-crf 32.0 -g 250 -keyint_min 25 -aspect 4:3 -movflags frag_keyframe -vcodec \
libx264 -acodec aac -strict experimental -ar 44100 -ac 2 -b:a 128k -map 0:0 \
-map 0:1 -f flv -y test.flv
ffmpeg version 0.8.6-4:0.8.6-0ubuntu0.12.04.1, Copyright (c) 2000-2013 the Libav developers
built on Apr 2 2013 17:02:36 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.
[flv @ 0x10569a0] Estimating duration from bitrate, this may be inaccurate
Input #0, flv, from 'http://filesbe.vocativ.internal.net/03/44/SN/q1/xg/xl/0344SNq1xgxl.flv':
Metadata:
starttime : 0
totalduration : 64
totaldatarate : 710
bytelength : 5674798
canseekontime : true
sourcedata : BADC23401MH1326550770698632
purl :
pmsg :
Duration: 00:01:03.96, start: 0.000000, bitrate: 718 kb/s
Stream #0.0: Video: h264 (Main), yuv420p, 854x480, 590 kb/s, 25 tbr, 1k tbn, 50 tbc
Stream #0.1: Audio: aac, 44100 Hz, stereo, s16, 128 kb/s
[buffer @ 0x105c600] w:854 h:480 pixfmt:yuv420p
[movie @ 0x105c440] seek_point:0 format_name:(null) file_name:/home/assetproxy/htdocs/transcoder/helper_asset/voca_scaled.png stream_index:0
[overlay @ 0x1060840] auto-inserting filter 'auto-inserted scaler 0' between the filter 'Parsed filter 0 movie' and the filter 'Parsed filter 1 overlay'
[scale @ 0x11d8300] w:90 h:51 fmt:rgb24 -> w:90 h:51 fmt:yuva420p flags:0x4
[overlay @ 0x1060840] main w:854 h:480 fmt:yuv420p overlay x:754 y:419 w:90 h:51 fmt:yuva420p
[overlay @ 0x1060840] main_tb:1/1000000 overlay_tb:1/25 -> tb:1/1000000 exact:1
[libx264 @ 0x1059d20] using SAR=191/255
[libx264 @ 0x1059d20] using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.2
[libx264 @ 0x1059d20] profile Main, level 3.0
[libx264 @ 0x1059d20] 264 - core 120 r2151 a3f4407 - H.264/MPEG-4 AVC codec - Copyleft 2003-2011 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x1:0x111 me=hex subme=6 psy=1 psy_rd=1.00:0.00 mixed_ref=0 me_range=16 chroma_me=1 trellis=1 8x8dct=0 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=0 b_adapt=1 b_bias=0 direct=1 weightb=0 open_gop=1 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=32.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.41 aq=1:1.00
Option movflags not found. -
ffserver — live streaming to iOS, Android, Flash
12 juillet 2013, par Stanislav SaranchinI'm creating live streaming transcoding from IPTV to Web into several formats like WebM, Flash, HLS using FFServer and FFMpeg at once.
ffserver.conf located at http://pastebin.com/hUky5Jsh
Translating of source-stream to FFServer :
ffmpeg -i udp://239.192.192.1:1234 -s 560x320 http://localhost:8090/feed.ffm
FFServer's logs showing next :
Fri Jul 12 11:39:50 2013 127.0.0.1 - - New connection: GET /feed.ffm
Fri Jul 12 11:39:50 2013 127.0.0.1 - - [GET] "/feed.ffm HTTP/1.1" 200 4175
Fri Jul 12 11:39:50 2013 127.0.0.1 - - New connection: POST /feed.ffm
Fri Jul 12 11:39:50 2013 Feed '/tmp/feed.ffm' stream number does not match registered feed
Fri Jul 12 11:39:50 2013 127.0.0.1 - - [POST] "/feed.ffm HTTP/1.1" 200 4096My brain is very hot after googling solution on the Internet.
FFServer :
ffserver version N-37738-g15cee5e Copyright (c) 2000-2013 the FFmpeg developers
built on Jul 11 2013 17:01:41 with gcc 4.7 (Ubuntu/Linaro 4.7.3-1ubuntu1)
configuration: --prefix=/root/ffmpeg_build --extra-cflags=-I/root/ffmpeg_build/include --extra-ldflags=-L/root/ffmpeg_build/lib --bindir=/root/bin --extra-libs=-ldl --enable-gpl --enable-libass --enable-libfdk-aac --enable-libmp3lame --enable-libopus --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-nonfree
FFMpeg :
ffmpeg version N-37738-g15cee5e Copyright (c) 2000-2013 the FFmpeg developers
built on Jul 11 2013 17:01:41 with gcc 4.7 (Ubuntu/Linaro 4.7.3-1ubuntu1)
configuration: --prefix=/root/ffmpeg_build --extra-cflags=-I/root/ffmpeg_build/include --extra-ldflags=-L/root/ffmpeg_build/lib --bindir=/root/bin --extra-libs=-ldl --enable-gpl --enable-libass --enable-libfdk-aac --enable-libmp3lame --enable-libopus --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-nonfree
Source-stream is :
Input #0, mpegts, from 'udp://239.192.192.1:1234':
Duration: N/A, start: 80091.027433, bitrate: 192 kb/s
Program 702
Stream #0:0[0x322]: Video: mpeg2video (Main) ([2][0][0][0] / 0x0002), yuv420p, 544x576 [SAR 32:17 DAR 16:9], 25 fps, 25 tbr, 90k tbn, 50 tbc
Stream #0:1[0x386](rus): Audio: mp2 ([4][0][0][0] / 0x0004), 48000 Hz, stereo, s16p, 192 kb/s -
ffserver — live streaming to iOS, Android, Flash
12 juillet 2013, par Stanislav SaranchinI'm creating live streaming transcoding from IPTV to Web into several formats like WebM, Flash, HLS using FFServer and FFMpeg at once.
ffserver.conf located at http://pastebin.com/hUky5Jsh
Translating of source-stream to FFServer :
ffmpeg -i udp://239.192.192.1:1234 -s 560x320 http://localhost:8090/feed.ffm
FFServer's logs showing next :
Fri Jul 12 11:39:50 2013 127.0.0.1 - - New connection: GET /feed.ffm
Fri Jul 12 11:39:50 2013 127.0.0.1 - - [GET] "/feed.ffm HTTP/1.1" 200 4175
Fri Jul 12 11:39:50 2013 127.0.0.1 - - New connection: POST /feed.ffm
Fri Jul 12 11:39:50 2013 Feed '/tmp/feed.ffm' stream number does not match registered feed
Fri Jul 12 11:39:50 2013 127.0.0.1 - - [POST] "/feed.ffm HTTP/1.1" 200 4096My brain is very hot after googling solution on the Internet.
FFServer :
ffserver version N-37738-g15cee5e Copyright (c) 2000-2013 the FFmpeg developers
built on Jul 11 2013 17:01:41 with gcc 4.7 (Ubuntu/Linaro 4.7.3-1ubuntu1)
configuration: --prefix=/root/ffmpeg_build --extra-cflags=-I/root/ffmpeg_build/include --extra-ldflags=-L/root/ffmpeg_build/lib --bindir=/root/bin --extra-libs=-ldl --enable-gpl --enable-libass --enable-libfdk-aac --enable-libmp3lame --enable-libopus --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-nonfree
FFMpeg :
ffmpeg version N-37738-g15cee5e Copyright (c) 2000-2013 the FFmpeg developers
built on Jul 11 2013 17:01:41 with gcc 4.7 (Ubuntu/Linaro 4.7.3-1ubuntu1)
configuration: --prefix=/root/ffmpeg_build --extra-cflags=-I/root/ffmpeg_build/include --extra-ldflags=-L/root/ffmpeg_build/lib --bindir=/root/bin --extra-libs=-ldl --enable-gpl --enable-libass --enable-libfdk-aac --enable-libmp3lame --enable-libopus --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-nonfree
Source-stream is :
Input #0, mpegts, from 'udp://239.192.192.1:1234':
Duration: N/A, start: 80091.027433, bitrate: 192 kb/s
Program 702
Stream #0:0[0x322]: Video: mpeg2video (Main) ([2][0][0][0] / 0x0002), yuv420p, 544x576 [SAR 32:17 DAR 16:9], 25 fps, 25 tbr, 90k tbn, 50 tbc
Stream #0:1[0x386](rus): Audio: mp2 ([4][0][0][0] / 0x0004), 48000 Hz, stereo, s16p, 192 kb/s