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Rennes Emotion Map 2010-11
19 octobre 2011, par
Mis à jour : Juillet 2013
Langue : français
Type : Texte
Autres articles (63)
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HTML5 audio and video support
13 avril 2011, parMediaSPIP uses HTML5 video and audio tags to play multimedia files, taking advantage of the latest W3C innovations supported by modern browsers.
The MediaSPIP player used has been created specifically for MediaSPIP and can be easily adapted to fit in with a specific theme.
For older browsers the Flowplayer flash fallback is used.
MediaSPIP allows for media playback on major mobile platforms with the above (...) -
Support audio et vidéo HTML5
10 avril 2011MediaSPIP utilise les balises HTML5 video et audio pour la lecture de documents multimedia en profitant des dernières innovations du W3C supportées par les navigateurs modernes.
Pour les navigateurs plus anciens, le lecteur flash Flowplayer est utilisé.
Le lecteur HTML5 utilisé a été spécifiquement créé pour MediaSPIP : il est complètement modifiable graphiquement pour correspondre à un thème choisi.
Ces technologies permettent de distribuer vidéo et son à la fois sur des ordinateurs conventionnels (...) -
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 (9144)
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How to create a JPEG 2000 sequence with alpha channel with FFmpeg
7 avril 2021, par floritHow can I create a JPEG 2000 sequence preserving the alpha of an input video with FFmpeg ?


ffmpeg -i /path/to/movie_with_alpha.mov -c:v jpeg2000 -pix_fmt rgba /output/path/sequence_%04d.jp2



… throws this info :


Incompatible pixel format 'rgba' for codec 'jpeg2000', auto-selecting format 'rgb24'



I tried other options for
-pix_fmt
with no luck.

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How to create a lossy JPEG 2000 sequence with FFmpeg
8 avril 2021, par floritI’d like to convert a movie to a lossy JPEG 2000 sequence with FFmpeg using
libopenjpeg
. I found-compression_level
to control the compression but I‘m looking for a kind of variable bitrate control like-crf
. Is this possible ?

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fate/jpeg2000 : add JPEG 2000 tests using ITU/ISO conformance materials
14 avril 2023, par Pierre-Anthony Lemieuxfate/jpeg2000 : add JPEG 2000 tests using ITU/ISO conformance materials
Adds JPEG 2000 decoder tests using materials from the conformance suite specified in
Rec. ITU-T T.803 | ISO/IEC 15444-4.The test materials are available at https://gitlab.com/wg1/htj2k-codestreams
Signed-off-by : Pierre-Anthony Lemieux <pal@palemieux.com>
- [DH] tests/Makefile
- [DH] tests/fate/jpeg2000.mak
- [DH] tests/ref/fate/jpeg2000dec-ds0_ht_01_b11
- [DH] tests/ref/fate/jpeg2000dec-p0_01
- [DH] tests/ref/fate/jpeg2000dec-p0_02
- [DH] tests/ref/fate/jpeg2000dec-p0_03
- [DH] tests/ref/fate/jpeg2000dec-p0_04
- [DH] tests/ref/fate/jpeg2000dec-p0_05
- [DH] tests/ref/fate/jpeg2000dec-p0_07
- [DH] tests/ref/fate/jpeg2000dec-p0_08
- [DH] tests/ref/fate/jpeg2000dec-p0_09
- [DH] tests/ref/fate/jpeg2000dec-p0_11
- [DH] tests/ref/fate/jpeg2000dec-p0_12
- [DH] tests/ref/fate/jpeg2000dec-p0_14
- [DH] tests/ref/fate/jpeg2000dec-p0_15
- [DH] tests/ref/fate/jpeg2000dec-p0_16