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L’espace de configuration de MediaSPIP
29 novembre 2010, parL’espace de configuration de MediaSPIP est réservé aux administrateurs. Un lien de menu "administrer" est généralement affiché en haut de la page [1].
Il permet de configurer finement votre site.
La navigation de cet espace de configuration est divisé en trois parties : la configuration générale du site qui permet notamment de modifier : les informations principales concernant le site (...) -
Emballe médias : à quoi cela sert ?
4 février 2011, parCe plugin vise à gérer des sites de mise en ligne de documents de tous types.
Il crée des "médias", à savoir : un "média" est un article au sens SPIP créé automatiquement lors du téléversement d’un document qu’il soit audio, vidéo, image ou textuel ; un seul document ne peut être lié à un article dit "média" ; -
Ecrire une actualité
21 juin 2013, parPrésentez les changements dans votre MédiaSPIP ou les actualités de vos projets sur votre MédiaSPIP grâce à la rubrique actualités.
Dans le thème par défaut spipeo de MédiaSPIP, les actualités sont affichées en bas de la page principale sous les éditoriaux.
Vous pouvez personnaliser le formulaire de création d’une actualité.
Formulaire de création d’une actualité Dans le cas d’un document de type actualité, les champs proposés par défaut sont : Date de publication ( personnaliser la date de publication ) (...)
Sur d’autres sites (6202)
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Could not find tag for codec h264 in stream #0 (mp4)
18 août 2019, par TabsNotSpacesI’ve been using the sickbeard_mp4_converter for a while to convert video files to mp4 by generating a script for ffmpeg. I’m not sure what I changed, but the ffmpeg script it generates no longer works and I’m having trouble debugging it. Can anyone tell from my log what the issue is ? Yes, its supposed to be an mp4 to an mp4, which is typically fine.
I’m at the point where I’m using an mp4 that worked with the same autogenerated script yesterday but it no longer is. I remember updating ffmpeg but downgrading did not resolve the issue, though I may have not downgraded enough.
ffmpeg 4.1.4
MediaInfo output :
$ mediainfo --fullscan Downloads/Dallas\ Buyers\ Club\ \(2013\).mp4.original
General
Count : 334
Count of stream of this kind : 1
Kind of stream : General
Kind of stream : General
Stream identifier : 0
Count of video streams : 1
Count of audio streams : 1
Video_Format_List : AVC
Video_Format_WithHint_List : AVC
Codecs Video : AVC
Audio_Format_List : AAC LC
Audio_Format_WithHint_List : AAC LC
Audio codecs : AAC LC
Audio_Language_List : English
Complete name : Downloads/Dallas Buyers Club (2013).mp4.original
Folder name : Downloads
File name extension : Dallas Buyers Club (2013).mp4.original
File name : Dallas Buyers Club (2013).mp4
File extension : original
Format : MPEG-4
Format : MPEG-4
Format/Extensions usually used : braw mov mp4 m4v m4a m4b m4p m4r 3ga 3gpa 3gpp 3gp 3gpp2 3g2 k3g jpm jpx mqv ismv isma ismt f4a f4b f4v
Commercial name : MPEG-4
Format profile : Base Media
Internet media type : video/mp4
Codec ID : isom
Codec ID : isom (isom/avc1)
Codec ID/Url : http://www.apple.com/quicktime/download/standalone.html
CodecID_Compatible : isom/avc1
File size : 1987698473
File size : 1.85 GiB
File size : 2 GiB
File size : 1.9 GiB
File size : 1.85 GiB
File size : 1.851 GiB
Duration : 7017023
Duration : 1 h 56 min
Duration : 1 h 56 min 57 s 23 ms
Duration : 1 h 56 min
Duration : 01:56:57.023
Duration : 01:56:58;17
Duration : 01:56:57.023 (01:56:58;17)
Overall bit rate mode : VBR
Overall bit rate mode : Variable
Overall bit rate : 2266144
Overall bit rate : 2 266 kb/s
Frame rate : 23.976
Frame rate : 23.976 FPS
Frame count : 168239
Stream size : 3690657
Stream size : 3.52 MiB (0%)
Stream size : 4 MiB
Stream size : 3.5 MiB
Stream size : 3.52 MiB
Stream size : 3.520 MiB
Stream size : 3.52 MiB (0%)
Proportion of this stream : 0.00186
HeaderSize : 3690598
DataSize : 1984007824
FooterSize : 51
IsStreamable : Yes
Title : Dallas Buyers Club
Movie name : Dallas Buyers Club
Director : Jean-Marc Valle
Actor : Matthew McConaughey / Jennifer Garner / Jared Leto / Denis O'Hare / Steve Zahn
Screenplay by : Craig Borten / Melisa Wallack
Producer : Robbie Brenner / Rachel Winter / Kerry Barden / Rich Delia / Paul Schnee
Genre : Drama
ContentType : Unknown Type
Description : Sometimes it takes a hustler to change the world
Recorded date : 2013-11-17
Encoded date : UTC 2014-01-24 08:11:15
Tagged date : UTC 2014-01-24 08:11:15
File last modification date : UTC 2019-08-16 16:44:14
File last modification date (local) : 2019-08-16 11:44:14
Writing application : MDH:Dallas Buyers Club (2013).mp4
Writing application : MDH:Dallas Buyers Club (2013).mp4
Cover : Yes
ContentRating : mpaa|R|400|
LongDescription : Loosely based on the true-life tale of Ron Woodroof, a drug-taking, women-loving, homophobic man who in 1986 was diagnosed with HIV/AIDS and given thirty days to live.
FileExtension_Invalid : braw mov mp4 m4v m4a m4b m4p m4r 3ga 3gpa 3gpp 3gp 3gpp2 3g2 k3g jpm jpx mqv ismv isma ismt f4a f4b f4v
Video
Count : 378
Count of stream of this kind : 1
Kind of stream : Video
Kind of stream : Video
Stream identifier : 0
StreamOrder : 0
ID : 1
ID : 1
Format : AVC
Format : AVC
Format/Info : Advanced Video Codec
Format/Url : http://developers.videolan.org/x264.html
Commercial name : AVC
Format profile : High@L4.1
Format settings : CABAC / 4 Ref Frames
Format settings, CABAC : Yes
Format settings, CABAC : Yes
Format settings, Reference frames : 4
Format settings, Reference frames : 4 frames
Internet media type : video/H264
Codec ID : avc1
Codec ID/Info : Advanced Video Coding
Duration : 7016967
Duration : 1 h 56 min
Duration : 1 h 56 min 56 s 967 ms
Duration : 1 h 56 min
Duration : 01:56:56.967
Duration : 01:56:58;17
Duration : 01:56:56.967 (01:56:58;17)
Bit rate : 2169000
Bit rate : 2 169 kb/s
Maximum bit rate : 12300880
Maximum bit rate : 12.3 Mb/s
Width : 1920
Width : 1 920 pixels
Height : 800
Height : 800 pixels
Sampled_Width : 1920
Sampled_Height : 800
Pixel aspect ratio : 1.000
Display aspect ratio : 2.400
Display aspect ratio : 2.40:1
Rotation : 0.000
Frame rate mode : CFR
Frame rate mode : Constant
Frame rate : 23.976
Frame rate : 23.976 (24000/1001) FPS
FrameRate_Num : 24000
FrameRate_Den : 1001
Original frame rate : 23.976
Original frame rate : 23.976 (23976/1000) FPS
FrameRate_Original_Num : 23976
FrameRate_Original_Den : 1000
Frame count : 168239
Color space : YUV
Chroma subsampling : 4:2:0
Chroma subsampling : 4:2:0
Bit depth : 8
Bit depth : 8 bits
Scan type : Progressive
Scan type : Progressive
Bits/(Pixel*Frame) : 0.059
Stream size : 1901715488
Stream size : 1.77 GiB (96%)
Stream size : 2 GiB
Stream size : 1.8 GiB
Stream size : 1.77 GiB
Stream size : 1.771 GiB
Stream size : 1.77 GiB (96%)
Proportion of this stream : 0.95674
Writing library : x264 - core 135 r2 f0c1c53
Writing library : x264 core 135 r2 f0c1c53
Encoded_Library_Name : x264
Encoded_Library_Version : core 135 r2 f0c1c53
Encoding settings : cabac=1 / ref=4 / deblock=1:-1:-1 / analyse=0x3:0x133 / me=umh / subme=9 / psy=1 / psy_rd=1.00:0.15 / mixed_ref=1 / me_range=24 / chroma_me=1 / trellis=2 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=0 / chroma_qp_offset=-3 / threads=36 / lookahead_threads=3 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / bframes=3 / b_pyramid=2 / b_adapt=2 / b_bias=0 / direct=3 / weightb=1 / open_gop=0 / weightp=2 / keyint=250 / keyint_min=23 / scenecut=40 / intra_refresh=0 / rc_lookahead=60 / rc=2pass / mbtree=1 / bitrate=2169 / ratetol=1.0 / qcomp=0.60 / qpmin=0 / qpmax=69 / qpstep=4 / cplxblur=20.0 / qblur=0.5 / vbv_maxrate=31250 / vbv_bufsize=31250 / nal_hrd=none / ip_ratio=1.40 / aq=1:1.00
Encoded date : UTC 2014-01-24 08:11:15
Tagged date : UTC 2014-01-24 08:11:38
colour_description_present : Yes
colour_description_present_Source : Stream
Color range : Limited
colour_range_Source : Stream
Color primaries : BT.709
colour_primaries_Source : Stream
transfer_characteristics_Source : Stream
Matrix coefficients : BT.709
matrix_coefficients_Source : Stream
Codec configuration box : avcC
Audio
Count : 280
Count of stream of this kind : 1
Kind of stream : Audio
Kind of stream : Audio
Stream identifier : 0
StreamOrder : 1
ID : 2
ID : 2
Format : AAC
Format : AAC LC
Format/Info : Advanced Audio Codec Low Complexity
Commercial name : AAC
Format settings, SBR : No (Explicit)
Format settings, SBR : No (Explicit)
Format_AdditionalFeatures : LC
Codec ID : mp4a-40-2
Duration : 7017023
Duration : 1 h 56 min
Duration : 1 h 56 min 57 s 23 ms
Duration : 1 h 56 min
Duration : 01:56:57.023
Duration : 01:56:38:17
Duration : 01:56:57.023 (01:56:38:17)
Bit rate mode : VBR
Bit rate mode : Variable
Bit rate : 93816
Bit rate : 93.8 kb/s
Maximum bit rate : 107376
Maximum bit rate : 107 kb/s
Channel(s) : 2
Channel(s) : 2 channels
Channel positions : Front: L R
Channel positions : 2/0/0
Channel layout : L R
Samples per frame : 1024
Sampling rate : 48000
Sampling rate : 48.0 kHz
Samples count : 336817104
Frame rate : 46.875
Frame rate : 46.875 FPS (1024 SPF)
Frame count : 328923
Compression mode : Lossy
Compression mode : Lossy
Stream size : 82292328
Stream size : 78.5 MiB (4%)
Stream size : 78 MiB
Stream size : 78 MiB
Stream size : 78.5 MiB
Stream size : 78.48 MiB
Stream size : 78.5 MiB (4%)
Proportion of this stream : 0.04140
Language : en
Language : English
Language : English
Language : en
Language : eng
Language : en
Encoded date : UTC 2014-01-24 08:11:37
Tagged date : UTC 2014-01-24 08:11:38Log :
$ /usr/local/bin/ffmpeg -i "/Users/Me/Downloads/Dallas Buyers Club (2013).mp4.original" -vcodec libx264 -map 0:0 -vb 2063k -c:a:0 copy -map 0:2 -metadata:s:a:0 language=eng -disposition:a:0 default -f mp4 -threads 0 -y "/Users/Me/Downloads/Dallas Buyers Club (2013).mp4"
ffmpeg version 4.1.4 Copyright (c) 2000-2019 the FFmpeg developers
built with Apple LLVM version 10.0.1 (clang-1001.0.46.4)
configuration: --prefix=/usr/local/Cellar/ffmpeg/4.1.4_1 --enable-shared --enable-pthreads --enable-version3 --enable-avresample --cc=clang --host-cflags='-I/Library/Java/JavaVirtualMachines/adoptopenjdk-12.0.1.jdk/Contents/Home/include -I/Library/Java/JavaVirtualMachines/adoptopenjdk-12.0.1.jdk/Contents/Home/include/darwin' --host-ldflags= --enable-ffplay --enable-gnutls --enable-gpl --enable-libaom --enable-libbluray --enable-libmp3lame --enable-libopus --enable-librubberband --enable-libsnappy --enable-libtesseract --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --enable-libxvid --enable-lzma --enable-libfontconfig --enable-libfreetype --enable-frei0r --enable-libass --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-librtmp --enable-libspeex --enable-videotoolbox --disable-libjack --disable-indev=jack --enable-libaom --enable-libsoxr
libavutil 56. 22.100 / 56. 22.100
libavcodec 58. 35.100 / 58. 35.100
libavformat 58. 20.100 / 58. 20.100
libavdevice 58. 5.100 / 58. 5.100
libavfilter 7. 40.101 / 7. 40.101
libavresample 4. 0. 0 / 4. 0. 0
libswscale 5. 3.100 / 5. 3.100
libswresample 3. 3.100 / 3. 3.100
libpostproc 55. 3.100 / 55. 3.100
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x7fc38e801400] stream 0, timescale not set
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/Users/Me/Downloads/Dallas Buyers Club (2013).mp4.original':
Metadata:
major_brand : isom
minor_version : 1
compatible_brands: isomavc1
title : Dallas Buyers Club
genre : Drama
date : 2013-11-17
encoder : MDH:Dallas Buyers Club (2013).mp4
media_type : 9
hd_video : 2
description : Sometimes it takes a hustler to change the world
synopsis : Loosely based on the true-life tale of Ron Woodroof, a drug-taking, women-loving, homophobic man who in 1986 was diagnosed with HIV/AIDS and given thirty days to live.
creation_time : 2014-01-24T08:11:15.000000Z
Duration: 01:56:57.02, start: 0.000000, bitrate: 2266 kb/s
Stream #0:0: Video: mjpeg, yuvj420p(pc, bt470bg/unknown/unknown), 500x750 [SAR 1:1 DAR 2:3], 90k tbr, 90k tbn, 90k tbc
Stream #0:1(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709/bt709/unknown), 1920x800, 2168 kb/s, 23.98 fps, 23.98 tbr, 24k tbn, 47.95 tbc (default)
Metadata:
creation_time : 2014-01-24T08:11:15.000000Z
handler_name : video.264#trackID=1:fps=23.976 - Imported with GPAC 0.5.0-rev
Stream #0:2(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 93 kb/s (default)
Metadata:
creation_time : 2014-01-24T08:11:37.000000Z
handler_name : GPAC ISO Audio Handler
Stream mapping:
Stream #0:0 -> #0:0 (mjpeg (native) -> h264 (libx264))
Stream #0:2 -> #0:1 (copy)
Press [q] to stop, [?] for help
[mp4 @ 0x7fc38e811000] Frame rate very high for a muxer not efficiently supporting it.
Please consider specifying a lower framerate, a different muxer or -vsync 2
[libx264 @ 0x7fc38e823e00] using SAR=1/1
[libx264 @ 0x7fc38e823e00] MB rate (135360000) > level limit (16711680)
[libx264 @ 0x7fc38e823e00] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 0x7fc38e823e00] profile High, level 6.2
[libx264 @ 0x7fc38e823e00] 264 - core 155 r2917 0a84d98 - H.264/MPEG-4 AVC codec - Copyleft 2003-2018 - 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=12 lookahead_threads=2 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=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=abr mbtree=1 bitrate=2063 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
[mp4 @ 0x7fc38e811000] Could not find tag for codec h264 in stream #0, codec not currently supported in container
Could not write header for output file #0 (incorrect codec parameters ?): Invalid argument
Error initializing output stream 0:0 --
[libx264 @ 0x7fc38e823e00] final ratefactor: 89.20
Conversion failed! -
Your guide to cookies, web analytics, and GDPR compliance
It’s been almost two years since the GDPR came into effect and turned the online world on its head. Confusion around cookies/cookie consent/cookie compliance remains till today. So we’d like to take this chance to talk more about the supposed “big bad” of the latest century.
Online cookies seem to have a bad reputation, but are they as bad as they seem ?
To start, what are cookies on the internet ?
An internet cookie a.k.a. an HTTP cookie, is a small piece of data sent from websites that is stored on your computer or mobile when you visit that site.
Are all cookies bad ?
No. Cookies themselves are usually harmless as they can’t infect computers with malware.
They can also be helpful for both websites who use them and individuals visiting those websites. For example, when online shopping, cookies on ecommerce sites keep track of what you’re shopping for. If you didn’t have that tracking, your cart would be empty every time you moved away from that site.
For businesses/websites, cookies can be used for authentication (logins) and tracking website user experience. For example, tracking multiple visits to the same site in order to provide better experiences to customers visiting their website.
The not-so-sweet types of cookies :
Cookies that contain personal data
Another example of a bad cookie is when cookies contain personal data directly in the cookie itself. For example, when websites store demographics or your name in a cookie ; or when a website stores survey results in a cookie. Use of cookies in these ways is considered bad practice nowadays.
Third-party cookies
They can be used by websites to learn about your visit and activity across multiple websites. Cookies can enter harmful territory when employed for “big brother” types of tracking i.e. when they’re used to build a virtual fingerprint of individuals after their activity is tracked from website to website. For example most advertising networks create third party cookies in your browser when you view an ad, which lets these advertisers track users across these websites and let companies buy more targeted ads.
Why does Matomo use cookies ?
For accurate reporting of new and returning visitors. Matomo uses cookies to store some information about visitors between visits. We also use cookies to remember if someone gave consent to tracking, or opted out of tracking.
Types of cookies Matomo uses :
- Matomo by default uses first-party cookies, set on the domain of your site.
- Cookies created by Matomo start with :
_pk_ref,_pk_cvar,_pk_id,_pk_ses. See a list of all Matomo cookies : https://matomo.org/faq/general/faq_146/
Cookie-less tracking - disable cookies and ensure cookie compliance :
It’s possible to disable tracking cookies in Matomo by adding a line on the javascript code. When cookies are disabled, Matomo data will become slightly less accurate. Also, when cookies are disabled, there may still be a few cookies created in specific cases.
If you disable cookies, Matomo tries to detect unique visitors by a fingerprint based on a few browser attributes : operating system, browser, browser plugins, IP address and browser language.
By disabling tracking cookies, you may also use Matomo without needing to display a cookie consent screen. You can also keep tracking when they reject cookie consent by keeping cookies disabled.
Cookies and the GDPR
In some countries and according to the GDPR, websites need to provide a way for users to opt-out of all tracking, in particular tracking cookies.
The GDPR regulates the use of cookies when they compromise an individual’s privacy. When cookies can identify an individual, it is considered personal data.
Cookie compliance and the GDPR
To be GDPR compliant you must :
- Receive user consent before using any cookies (except strictly necessary cookies). Read more on cookies that are “clearly exempt from consent”.
- Provide accurate and specific information about the data each cookie tracks and its purpose in plain language before consent is received.
- Document and store consent received from users.
- Allow users to access your service even if they refuse to allow the use of certain cookies
- Make it as easy for users to withdraw their consent as it was for them to give their consent in the first place.
Source : https://gdpr.eu/cookies/
When does GDPR require cookie consent ?
The purpose of the GDPR is to give individuals control over their personal data. As such this regulation has provisions and requirements which regulate the processing of personal data to protect the privacy of individuals.
This means in order to use cookies, you will sometimes need explicit consent from those individuals.
When does GDPR not require cookie consent ?
Then there are many cookies that generally do NOT require consent (Source : https://wikis.ec.europa.eu/display/WEBGUIDE/04.+Cookies).
These are :
- user input cookies, for the duration of a session
- authentication cookies, for the duration of a session
- user-centric security cookies, used to detect authentication abuses and linked to the functionality explicitly requested by the user, for a limited persistent duration
- multimedia content player session cookies, such as flash player cookies, for the duration of a session
- load balancing session cookies and other technical cookies, for the duration of session
- user interface customisation cookies, for a browser session or a few hours, when additional information in a prominent location is provided (e.g. “uses cookies” written next to the customisation feature)
Tracking cookies and consent vs legitimate interest
User consent is not always required :
We understand that whenever you collect and process personal data, you need – almost always – to ask for their consent. However, there are instances where you have to process data under “legitimate interests”. The GDPR states that processing of personal data is lawful “if processing is necessary for the purposes of the legitimate interests”. This means if you have “legitimate interests” you can avoid asking for consent for collecting and processing personal information. Learn more : https://cookieinformation.com/resources/blog/what-is-legitimate-interest-under-the-gdpr
A lawful basis for processing personal data (proceeding with caution) :
We’ve also written about having a lawful basis for processing personal data under GDPR with Matomo. The caveat here is you need to have a strong argument for legitimate interests. If you are processing personal data which may represent a risk to the final user, then getting consent is, for us, still the right lawful basis. If you are not sure, at the time of writing ICO is providing a tool in order to help you make this decision.
How is Matomo Analytics GDPR compliant ?
Matomo can be configured to automatically anonymise data so you don’t process any personal data. This allows you to completely avoid GDPR. If you decide to process personal data, Matomo provides you with 12 steps to easily comply with the GDPR guidelines.
New developments on cookies and the GDPR
In the early days of the GDPR, a spate of cookie management platforms (CMPs) popped up to help websites and people comply with GDPR rules around cookies.
These have become problematic in recent years. Europe’s highest court ruled pre-checked box for cookie boxes does not give enough consent.
As well as that, new research suggests most cookie consent pop-ups in the EU fall short of GDPR. A new study called, ‘Dark Patterns after the GDPR’ from MIT, UCL and Aarhus University found that a vast majority of websites aren’t following GDPR rules around cookies. The study found most cookie consent pop-ups in the EU to be undermining the GDPR by finding sneaky ways to convince website visitors to click ‘accept’.
Disclaimer
We are not lawyers and don’t claim to be. The information provided here is to help give an introduction to issues you may encounter when dealing cookies. We encourage every business and website to take data privacy seriously and discuss these issues with your lawyer if you have any concerns.
Additional resources :
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MAINTAINERS : Don't mention Google+
17 mars 2020, par Andreas Rheinhardt
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