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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 (62)
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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 -
Personnaliser les catégories
21 juin 2013, parFormulaire de création d’une catégorie
Pour ceux qui connaissent bien SPIP, une catégorie peut être assimilée à une rubrique.
Dans le cas d’un document de type catégorie, les champs proposés par défaut sont : Texte
On peut modifier ce formulaire dans la partie :
Administration > Configuration des masques de formulaire.
Dans le cas d’un document de type média, les champs non affichés par défaut sont : Descriptif rapide
Par ailleurs, c’est dans cette partie configuration qu’on peut indiquer le (...) -
Les statuts des instances de mutualisation
13 mars 2010, parPour des raisons de compatibilité générale du plugin de gestion de mutualisations avec les fonctions originales de SPIP, les statuts des instances sont les mêmes que pour tout autre objets (articles...), seuls leurs noms dans l’interface change quelque peu.
Les différents statuts possibles sont : prepa (demandé) qui correspond à une instance demandée par un utilisateur. Si le site a déjà été créé par le passé, il est passé en mode désactivé. publie (validé) qui correspond à une instance validée par un (...)
Sur d’autres sites (10357)
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ffmpeg can not dump RTSP streaming but ffmplay can play
12 mars 2014, par pocI want to dump the RTSP streaming into a file.
ffmpeg -y-i rtsp://172.19.12.37/live.sdp -acodec copy -vcodec copy tmp.mp4
But I got errors,
[mp4 @ 0x7fe98400dc00] track 1: could not find tag, codec not currently supported in container
Could not write header for output file #0 (incorrect codec parameters ?): Operation not permitted
However, I can play the RTSP streaming by any media player, what was wrong with my ffmpeg command ?
Is there any options can dump any stream and dump it into identical video format.
ffplay log
$ ffplay rtsp://172.19.12.37/live.sdp
ffplay version 2.1.4 Copyright (c) 2003-2014 the FFmpeg developers
built on Mar 12 2014 14:37:48 with Apple LLVM version 5.1 (clang-503.0.38) (based on LLVM 3.4svn)
configuration: --prefix=/usr/local/Cellar/ffmpeg/2.1.4 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-nonfree --enable-hardcoded-tables --enable-avresample --enable-vda --cc=clang --host-cflags= --host-ldflags= --enable-libx264 --enable-libfaac --enable-libmp3lame --enable-libxvid --enable-libfreetype --enable-libtheora --enable-libvorbis --enable-libvpx --enable-librtmp --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libvo-aacenc --enable-libass --enable-ffplay --enable-libspeex --enable-libschroedinger --enable-libfdk-aac --enable-openssl --enable-libopus --enable-frei0r --enable-libcaca --enable-libquvi --enable-libopenjpeg --extra-cflags='-I/usr/local/Cellar/openjpeg/1.5.1/include/openjpeg-1.5 '
libavutil 52. 48.101 / 52. 48.101
libavcodec 55. 39.101 / 55. 39.101
libavformat 55. 19.104 / 55. 19.104
libavdevice 55. 5.100 / 55. 5.100
libavfilter 3. 90.100 / 3. 90.100
libavresample 1. 1. 0 / 1. 1. 0
libswscale 2. 5.101 / 2. 5.101
libswresample 0. 17.104 / 0. 17.104
libpostproc 52. 3.100 / 52. 3.100
[h264 @ 0x7fb966001c00] RTP: missed 13 packets0KB sq= 0B f=0/0
[h264 @ 0x7fb966001c00] left block unavailable for requested intra mode at 0 86
[h264 @ 0x7fb966001c00] error while decoding MB 0 86, bytestream (347)
[h264 @ 0x7fb966001c00] concealing 5489 DC, 5489 AC, 5489 MV errors in I frame
Input #0, rtsp, from 'rtsp://172.19.12.37/live.sdp':= 0B f=0/0
Metadata:
title : RTSP server
Duration: N/A, start: 0.000000, bitrate: 64 kb/s
Stream #0:0: Video: h264 (Main), yuv420p, 2560x1920, 13.33 tbr, 90k tbn, 180k tbc
Stream #0:1: Audio: pcm_mulaw, 8000 Hz, 1 channels, s16, 64 kb/s
[h264 @ 0x7fb966888400] left block unavailable for requested intra mode at 0 86
[h264 @ 0x7fb966888400] error while decoding MB 0 86, bytestream (347)
[h264 @ 0x7fb966888400] concealing 5489 DC, 5489 AC, 5489 MV errors in I frame
5.08 A-V: nan fd= 2 aq= 0KB vq= 0KB sq= 0B f=1/1ffmpeg log
ffmpeg version 2.1.4 Copyright (c) 2000-2014 the FFmpeg developers
built on Mar 12 2014 14:37:48 with Apple LLVM version 5.1 (clang-503.0.38) (based on LLVM 3.4svn)
configuration: --prefix=/usr/local/Cellar/ffmpeg/2.1.4 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-nonfree --enable-hardcoded-tables --enable-avresample --enable-vda --cc=clang --host-cflags= --host-ldflags= --enable-libx264 --enable-libfaac --enable-libmp3lame --enable-libxvid --enable-libfreetype --enable-libtheora --enable-libvorbis --enable-libvpx --enable-librtmp --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libvo-aacenc --enable-libass --enable-ffplay --enable-libspeex --enable-libschroedinger --enable-libfdk-aac --enable-openssl --enable-libopus --enable-frei0r --enable-libcaca --enable-libquvi --enable-libopenjpeg --extra-cflags='-I/usr/local/Cellar/openjpeg/1.5.1/include/openjpeg-1.5 '
libavutil 52. 48.101 / 52. 48.101
libavcodec 55. 39.101 / 55. 39.101
libavformat 55. 19.104 / 55. 19.104
libavdevice 55. 5.100 / 55. 5.100
libavfilter 3. 90.100 / 3. 90.100
libavresample 1. 1. 0 / 1. 1. 0
libswscale 2. 5.101 / 2. 5.101
libswresample 0. 17.104 / 0. 17.104
libpostproc 52. 3.100 / 52. 3.100
Guessed Channel Layout for Input Stream #0.1 : mono
Input #0, rtsp, from 'rtsp://172.19.12.37/live.sdp':
Metadata:
title : RTSP server
Duration: N/A, start: 0.000000, bitrate: 64 kb/s
Stream #0:0: Video: h264 (Main), yuv420p, 2560x1920, 13.33 tbr, 90k tbn, 180k tbc
Stream #0:1: Audio: pcm_mulaw, 8000 Hz, mono, s16, 64 kb/s
[mp4 @ 0x7fe98400dc00] track 1: could not find tag, codec not currently supported in container
Output #0, mp4, to 'tmp.mp4':
Metadata:
title : RTSP server
encoder : Lavf55.19.104
Stream #0:0: Video: h264 ([33][0][0][0] / 0x0021), yuv420p, 2560x1920, q=2-31, 90k tbn, 90k tbc
Stream #0:1: Audio: pcm_mulaw, 8000 Hz, mono, 64 kb/s
Stream mapping:
Stream #0:0 -> #0:0 (copy)
Stream #0:1 -> #0:1 (copy)
Could not write header for output file #0 (incorrect codec parameters ?): Operation not permitted -
ffmpeg can not dump RTSP streaming but ffmplay can play
14 novembre 2018, par newBikeI want to dump the RTSP streaming into a file.
ffmpeg -y-i rtsp://172.19.12.37/live.sdp -acodec copy -vcodec copy tmp.mp4
But I got errors,
[mp4 @ 0x7fe98400dc00] track 1: could not find tag, codec not currently supported in container
Could not write header for output file #0 (incorrect codec parameters ?): Operation not permitted
However, I can play the RTSP streaming by any media player, what was wrong with my ffmpeg command ?
Is there any options can dump any stream and dump it into identical video format.
ffplay log
$ ffplay rtsp://172.19.12.37/live.sdp
ffplay version 2.1.4 Copyright (c) 2003-2014 the FFmpeg developers
built on Mar 12 2014 14:37:48 with Apple LLVM version 5.1 (clang-503.0.38) (based on LLVM 3.4svn)
configuration: --prefix=/usr/local/Cellar/ffmpeg/2.1.4 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-nonfree --enable-hardcoded-tables --enable-avresample --enable-vda --cc=clang --host-cflags= --host-ldflags= --enable-libx264 --enable-libfaac --enable-libmp3lame --enable-libxvid --enable-libfreetype --enable-libtheora --enable-libvorbis --enable-libvpx --enable-librtmp --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libvo-aacenc --enable-libass --enable-ffplay --enable-libspeex --enable-libschroedinger --enable-libfdk-aac --enable-openssl --enable-libopus --enable-frei0r --enable-libcaca --enable-libquvi --enable-libopenjpeg --extra-cflags='-I/usr/local/Cellar/openjpeg/1.5.1/include/openjpeg-1.5 '
libavutil 52. 48.101 / 52. 48.101
libavcodec 55. 39.101 / 55. 39.101
libavformat 55. 19.104 / 55. 19.104
libavdevice 55. 5.100 / 55. 5.100
libavfilter 3. 90.100 / 3. 90.100
libavresample 1. 1. 0 / 1. 1. 0
libswscale 2. 5.101 / 2. 5.101
libswresample 0. 17.104 / 0. 17.104
libpostproc 52. 3.100 / 52. 3.100
[h264 @ 0x7fb966001c00] RTP: missed 13 packets0KB sq= 0B f=0/0
[h264 @ 0x7fb966001c00] left block unavailable for requested intra mode at 0 86
[h264 @ 0x7fb966001c00] error while decoding MB 0 86, bytestream (347)
[h264 @ 0x7fb966001c00] concealing 5489 DC, 5489 AC, 5489 MV errors in I frame
Input #0, rtsp, from 'rtsp://172.19.12.37/live.sdp':= 0B f=0/0
Metadata:
title : RTSP server
Duration: N/A, start: 0.000000, bitrate: 64 kb/s
Stream #0:0: Video: h264 (Main), yuv420p, 2560x1920, 13.33 tbr, 90k tbn, 180k tbc
Stream #0:1: Audio: pcm_mulaw, 8000 Hz, 1 channels, s16, 64 kb/s
[h264 @ 0x7fb966888400] left block unavailable for requested intra mode at 0 86
[h264 @ 0x7fb966888400] error while decoding MB 0 86, bytestream (347)
[h264 @ 0x7fb966888400] concealing 5489 DC, 5489 AC, 5489 MV errors in I frame
5.08 A-V: nan fd= 2 aq= 0KB vq= 0KB sq= 0B f=1/1ffmpeg log
ffmpeg version 2.1.4 Copyright (c) 2000-2014 the FFmpeg developers
built on Mar 12 2014 14:37:48 with Apple LLVM version 5.1 (clang-503.0.38) (based on LLVM 3.4svn)
configuration: --prefix=/usr/local/Cellar/ffmpeg/2.1.4 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-nonfree --enable-hardcoded-tables --enable-avresample --enable-vda --cc=clang --host-cflags= --host-ldflags= --enable-libx264 --enable-libfaac --enable-libmp3lame --enable-libxvid --enable-libfreetype --enable-libtheora --enable-libvorbis --enable-libvpx --enable-librtmp --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libvo-aacenc --enable-libass --enable-ffplay --enable-libspeex --enable-libschroedinger --enable-libfdk-aac --enable-openssl --enable-libopus --enable-frei0r --enable-libcaca --enable-libquvi --enable-libopenjpeg --extra-cflags='-I/usr/local/Cellar/openjpeg/1.5.1/include/openjpeg-1.5 '
libavutil 52. 48.101 / 52. 48.101
libavcodec 55. 39.101 / 55. 39.101
libavformat 55. 19.104 / 55. 19.104
libavdevice 55. 5.100 / 55. 5.100
libavfilter 3. 90.100 / 3. 90.100
libavresample 1. 1. 0 / 1. 1. 0
libswscale 2. 5.101 / 2. 5.101
libswresample 0. 17.104 / 0. 17.104
libpostproc 52. 3.100 / 52. 3.100
Guessed Channel Layout for Input Stream #0.1 : mono
Input #0, rtsp, from 'rtsp://172.19.12.37/live.sdp':
Metadata:
title : RTSP server
Duration: N/A, start: 0.000000, bitrate: 64 kb/s
Stream #0:0: Video: h264 (Main), yuv420p, 2560x1920, 13.33 tbr, 90k tbn, 180k tbc
Stream #0:1: Audio: pcm_mulaw, 8000 Hz, mono, s16, 64 kb/s
[mp4 @ 0x7fe98400dc00] track 1: could not find tag, codec not currently supported in container
Output #0, mp4, to 'tmp.mp4':
Metadata:
title : RTSP server
encoder : Lavf55.19.104
Stream #0:0: Video: h264 ([33][0][0][0] / 0x0021), yuv420p, 2560x1920, q=2-31, 90k tbn, 90k tbc
Stream #0:1: Audio: pcm_mulaw, 8000 Hz, mono, 64 kb/s
Stream mapping:
Stream #0:0 -> #0:0 (copy)
Stream #0:1 -> #0:1 (copy)
Could not write header for output file #0 (incorrect codec parameters ?): Operation not permitted -
Can't connect to ffserver when running on android device
11 décembre 2016, par Antonio C GI am working on an android app. This will run a ffserver (on the device, not another computer). The server is running and I can access the status page, everything seems ok. But when I try to send the video using ffmpeg I always get connection refused.
This is my ffserver.conf file :
HTTPPort 8090
HTTPBindAddress 0.0.0.0
MaxHTTPConnections 2000
MaxClients 1000
MaxBandwidth 1000
CustomLog /data/user/0/com.antonio.droidcast/files/log.txt
NoDefaults
<feed>
File /data/user/0/com.antonio.droidcast/cache/feed1.ffm
FileMaxSize 200M
ACL allow 127.0.0.1
</feed>
<stream>
Format mp4
Feed feed1.ffm
VideoCodec libx264
VideoFrameRate 30
VideoBitRate 512
VideoSize 320x240
AVOptionVideo crf 23
AVOptionVideo preset medium
AVOptionVideo flags +global_header
AudioCodec aac
Strict -2
AudioBitRate 128
AudioChannels 2
AudioSampleRate 44100
AVOptionAudio flags +global_header
</stream>I connect to server using this command :
ffmpeg -i VIDEO_PATH2 http://localhost:8090/feed1.ffm
And this is the ouput I get :
Splitting the commandline.
Reading option '-loglevel' ... matched as option 'loglevel' (set logging level) with argument 'debug'.
Reading option '-i' ... matched as input file with argument '/storage/emulated/0/Download/video1.mp4'.
Reading option 'http://localhost:8090/feed1.ffm' ... matched as output file.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option loglevel (set logging level) with argument debug.
Successfully parsed a group of options.
Parsing a group of options: input file /storage/emulated/0/Download/video1.mp4.
Successfully parsed a group of options.
Opening an input file: /storage/emulated/0/Download/video1.mp4.
[file @ 0xf5f5e060] Setting default whitelist 'file,crypto'
[mov,mp4,m4a,3gp,3g2,mj2 @ 0xf5f58000] Format mov,mp4,m4a,3gp,3g2,mj2 probed with size=2048 and score=100
[mov,mp4,m4a,3gp,3g2,mj2 @ 0xf5f58000] ISO: File Type Major Brand: isom
[mov,mp4,m4a,3gp,3g2,mj2 @ 0xf5f58000] Unknown dref type 0x08206c7275 size 12
Last message repeated 1 times
[mov,mp4,m4a,3gp,3g2,mj2 @ 0xf5f58000] Before avformat_find_stream_info() pos: 5446 bytes read:32768 seeks:0
[h264 @ 0xf5f49000] user data:"x264 - core 148 - H.264/MPEG-4 AVC codec - Copyleft 2003-2015 - http://www.videolan.org/x264.html - options: cabac=1 ref=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_pskip=1 chroma_qp_offset=-2 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=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=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"
[h264 @ 0xf5f49000] no picture
[mov,mp4,m4a,3gp,3g2,mj2 @ 0xf5f58000] All info found
[mov,mp4,m4a,3gp,3g2,mj2 @ 0xf5f58000] After avformat_find_stream_info() pos: 6081 bytes read:98304 seeks:2 frames:3
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/storage/emulated/0/Download/video1.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf57.25.100
Duration: 00:02:45.59, start: 0.128000, bitrate: 24 kb/s
Stream #0:0(eng), 2, 1/450000: Video: h264 (High), 4 reference frames (avc1 / 0x31637661), yuv420p(left), 1920x1080 (1920x1088) [SAR 1:1 DAR 16:9], 7451717/900000, 0 kb/s, 0.06 fps, 0.06 tbr, 450k tbn, 0.12 tbc (default)
Metadata:
handler_name : VideoHandler
Stream #0:1(eng), 1, 1/8000: Audio: aac (LC) (mp4a / 0x6134706D), 8000 Hz, mono, fltp, 29 kb/s (default)
Metadata:
handler_name : SoundHandler
Successfully opened the file.
Parsing a group of options: output file http://localhost:8090/feed1.ffm.
Successfully parsed a group of options.
Opening an output file: http://localhost:8090/feed1.ffm.
[http @ 0xf5f5e1e0] Setting default whitelist 'http,https,tls,rtp,tcp,udp,crypto,httpproxy'
[tcp @ 0xf5f5e3c0] Connection to tcp://localhost:8090 failed: Connection refused
http://localhost:8090/feed1.ffm: Connection refusedDoes anybody know what could be wrong ?
Just to be clear, I recompiled ffserver and ffmpeg for android. They both seem to be ok as I can execute commands. Both binaries are part of the app, so everything runs inside the phone.Thanks.