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Rennes Emotion Map 2010-11
19 octobre 2011, par
Mis à jour : Juillet 2013
Langue : français
Type : Texte
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Carte de Schillerkiez
13 mai 2011, par
Mis à jour : Septembre 2011
Langue : English
Type : Texte
Autres articles (88)
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Des sites réalisés avec MediaSPIP
2 mai 2011, parCette page présente quelques-uns des sites fonctionnant sous MediaSPIP.
Vous pouvez bien entendu ajouter le votre grâce au formulaire en bas de page. -
MediaSPIP Player : problèmes potentiels
22 février 2011, parLe lecteur ne fonctionne pas sur Internet Explorer
Sur Internet Explorer (8 et 7 au moins), le plugin utilise le lecteur Flash flowplayer pour lire vidéos et son. Si le lecteur ne semble pas fonctionner, cela peut venir de la configuration du mod_deflate d’Apache.
Si dans la configuration de ce module Apache vous avez une ligne qui ressemble à la suivante, essayez de la supprimer ou de la commenter pour voir si le lecteur fonctionne correctement : /** * GeSHi (C) 2004 - 2007 Nigel McNie, (...) -
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 (...)
Sur d’autres sites (11577)
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"Non-monotonous DTS in output stream 0:0 This may result in incorrect timestamps in the output file." error
1er août 2019, par petaireI’m trying to go from .mkv to .mp4 through ffmpeg. Normally I would use
ffmpeg -i $1 -codec copy -strict -2 $2But on this particular file, I get this error, like, A LOT :
Non-monotonous DTS in output stream 0:0; previous: 49189232, current: 49189232; changing to 49189233. This may result in incorrect timestamps in the output file.I guess it has something to do with the DTS :
[mp4 @ 0x7f8b14001200] Invalid DTS: 14832 PTS: 13552 in output stream 0:0, replacing by guess
[mp4 @ 0x7f8b14001200] Invalid DTS: 15472 PTS: 12272 in output stream 0:0, replacing by guessI would not care if the result was ok, but the sound is out of sync, and the video is "stuttering". Feels like everything is out of sync.
I’ve tried a lot of things, including -async 1 -vsync 1 , but nothing seems to work.
Here’s some mediainfo :
Complete name : /Users/petaire/Desktop/CNEWS-2019-07-23_16-00-00h.mkv
Format : Matroska
Format version : Version 2
File size : 1.19 GiB
Movie name : Time-2019-07-23_16:00
Writing application : Tvheadend 4.3-1801~g7f952c2ed
Writing library : Tvheadend Matroska muxer
Original source form : TV
Comment : Time recording
IsTruncated : Yes
DATE_BROADCASTED : 2019-07-23 16:00:00
Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : High@L4
Format settings : CABAC / 4 Ref Frames
Format settings, CABAC : Yes
Format settings, ReFrames : 4 frames
Codec ID : V_MPEG4/ISO/AVC
Width : 1 920 pixels
Height : 1 080 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 25.000 fps
Standard : Component
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : MBAFF
Scan type, store method : Interleaved fields
Scan order : Top Field First
Language : English
Default : Yes
Forced : No
Color range : Limited
Color primaries : BT.709
Transfer characteristics : BT.709
Matrix coefficients : BT.709
Audio
ID : 2
Format : E-AC-3
Format/Info : Enhanced AC-3
Commercial name : Dolby Digital Plus
Codec ID : A_EAC3
Bit rate mode : Constant
Bit rate : 128 Kbps
Channel(s) : 2 channels
Channel layout : L R
Sampling rate : 48.0 KHz
Frame rate : 31.250 fps (1536 SPF)
Compression mode : Lossy
Delay relative to video : -757ms
Language : French
Service kind : Complete Main
Default : Yes
Forced : No
Text
ID : 3
Format : DVB Subtitle
Codec ID : S_DVBSUB
Codec ID/Info : Picture based subtitle format used on DVBs
Language : French
Default : Yes
Forced : NoAny idea ?
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ffmpeg : Error while saving or converting video to .mp4 format
16 juillet 2018, par user4215048sorry for my english...
On my hosting - ffmpeg is installed as a php module. I’m having errors when converting video to mp4 format
Error :
Error while opening the encoder for output stream # 0 : 0 - maybe incorrect parameters such as bit_rate, rate, width or height
Example of the ffmpeg command :
/usr/bin/ffmpeg -y -i /home/afk/public_html/webroot/files/video.flv -vcodec libx264 -acodec libvo_aacenc /home/afk/public_html/webroot/files/video_text.mp4 2 <& 1
I run this command through the php exec() function in the script :
exec ($command, $res) ;
And here is the result that I get ($res array) :
Array ( [0] => ffmpeg version 2.6.8 Copyright (c) 2000-2016 the FFmpeg developers [1] => built with gcc 4.4.7 (GCC) 20120313 (Red Hat 4.4.7-16) [2] => configuration : —prefix=/usr —bindir=/usr/bin —datadir=/usr/share/ffmpeg —incdir=/usr/include/ffmpeg —libdir=/usr/lib64 —mandir=/usr/share/man —arch=x86_64 —optflags=’-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector —param=ssp-buffer-size=4 -m64 -mtune=generic’ —enable-bzlib —disable-crystalhd —enable-gnutls —enable-ladspa —enable-libass —enable-libdc1394 —enable-libfaac —enable-nonfree —disable-indev=jack —enable-libfreetype —enable-libgsm —enable-libmp3lame —enable-openal —enable-libopenjpeg —enable-libopus —enable-libpulse —enable-libschroedinger —enable-libsoxr —enable-libspeex —enable-libtheora —enable-libvorbis —enable-libv4l2 —enable-libx264 —enable-libx265 —enable-libxvid —enable-x11grab —enable-avfilter —enable-avresample —enable-postproc —enable-pthreads —disable-static —enable-shared —enable-gpl —disable-debug —disable-stripping —shlibdir=/usr/lib64 —enable-runtime-cpudetect [3] => libavutil 54. 20.100 / 54. 20.100 [4] => libavcodec 56. 26.100 / 56. 26.100 [5] => libavformat 56. 25.101 / 56. 25.101 [6] => libavdevice 56. 4.100 / 56. 4.100 [7] => libavfilter 5. 11.102 / 5. 11.102 [8] => libavresample 2. 1. 0 / 2. 1. 0 [9] => libswscale 3. 1.101 / 3. 1.101 [10] => libswresample 1. 1.100 / 1. 1.100 [11] => libpostproc 53. 3.100 / 53. 3.100 [12] => Input #0, flv, from ’/home/afk/public_html/webroot/files/video.flv’ : [13] => Metadata : [14] => title : Title of the video [15] => encoder : Lavf56.25.101 [16] => Duration : 00:00:24.00, start : 0.000000, bitrate : 1364 kb/s [17] => Stream #0:0 : Video : flv1, yuv420p, 500x500, 200 kb/s, 25 fps, 25 tbr, 1k tbn, 1k tbc [18] => [libx264 @ 0x1ec6720] using cpu capabilities : MMX2 SSE2Fast SSSE3 SSE4.2 AVX [19] => Output #0, mp4, to ’/home/afk/public_html/webroot/files/video_text.mp4’ : [20] => Metadata : [21] => title : Title of the video [22] => encoder : Lavf56.25.101 [23] => Stream #0:0 : Video : h264, none, q=2-31, 128 kb/s, 25 fps [24] => Metadata : [25] => encoder : Lavc56.26.100 libx264 [26] => Stream mapping : [27] => Stream #0:0 -> #0:0 (flv1 (flv) -> h264 (libx264)) [28] => Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or height )
The same error occurs when converting any video into this format. I’ve already used the examples from the ffmpeg documentation, but the error remains. Help to understand and solve this problem.
At the same time, the conversion from flv to ogg format works normally, or the creation of video from images into flv and ogg formats
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Is there a way to find out whether ffmpeg is performing optimally in my system using a ffmpeg command of sorts ?
17 octobre 2020, par Aspiring DevI'm encoding a file (mediainfo below) using the following command :


ffmpeg -i AHomeMovie.mkv -map 0 -c copy -c:v libx264 -preset veryslow -crf 17 -c:a aac -b:a 256k -threads 8 resultdir/AHomeMovie.mkv


And getting more or less the following performance after a couple of minutes :


frame= 2036 fps=2.5 q=22.0 size= 87535kB time=00:01:25.25 bitrate=8411.2kbits/s speed=0.104x 


Is this normal performance for a laptop with a i7-8550U, 16gb of RAM, UHD graphics 620 running Linux ? Is there a way to find out whether ffmpeg is performing optimally using a ffmpeg command of sorts ? I know it's commodity hardware by now but I just want to get some perspective on how the system is performing. I'm aware that I can use a different -preset speed btw.


Mediainfo :


General
Unique ID : 25145236523685421256398752247554522365 (0x14258745965823652446224452555874)
Complete name : AHomeMovie.mkv
Format : Matroska
Format version : Version 4
File size : 6.35 GiB
Duration : 22 min 47 s
Overall bit rate mode : Variable
Overall bit rate : 39.9 Mb/s
Movie name : A Home Movie
Encoded date : UTC 2020-09-10 22:10:12
Writing application : mkvmerge v42.0.0 ('Overtime') 64-bit
Writing library : libebml v1.3.10 + libmatroska v1.5.2

Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : High@L4.1
Format settings : CABAC / 4 Ref Frames
Format settings, CABAC : Yes
Format settings, Reference frames : 4 frames
Codec ID : V_MPEG4/ISO/AVC
Duration : 22 min 45 s
Bit rate mode : Variable
Bit rate : 38.0 Mb/s
Maximum bit rate : 40.0 Mb/s
Width : 1 920 pixels
Height : 1 080 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 23.976 (24000/1001) FPS
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.764
Stream size : 6.04 GiB (95%)
Default : Yes
Forced : No

Audio #1
ID : 2
Format : FLAC
Format/Info : Free Lossless Audio Codec
Codec ID : A_FLAC
Duration : 22 min 45 s
Bit rate mode : Variable
Bit rate : 614 kb/s
Channel(s) : 2 channels
Channel layout : L R
Sampling rate : 48.0 kHz
Frame rate : 11.719 FPS (4096 SPF)
Bit depth : 16 bits
Compression mode : Lossless
Stream size : 100 MiB (2%)
Writing library : libFLAC 1.2.1 (UTC 2007-09-17)
Language : Japanese
Default : Yes
Forced : No

Audio #2
ID : 3
Format : FLAC
Format/Info : Free Lossless Audio Codec
Codec ID : A_FLAC
Duration : 22 min 46 s
Bit rate mode : Variable
Bit rate : 1 317 kb/s
Channel(s) : 2 channels
Channel layout : L R
Sampling rate : 48.0 kHz
Frame rate : 11.719 FPS (4096 SPF)
Bit depth : 24 bits
Compression mode : Lossless
Delay relative to video : 24 ms
Stream size : 215 MiB (3%)
Writing library : libFLAC 1.2.1 (UTC 2007-09-17)
Language : English
Default : No
Forced : No


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