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Autres articles (108)
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MediaSPIP 0.1 Beta version
25 avril 2011, parMediaSPIP 0.1 beta is the first version of MediaSPIP proclaimed as "usable".
The zip file provided here only contains the sources of MediaSPIP in its standalone version.
To get a working installation, you must manually install all-software dependencies on the server.
If you want to use this archive for an installation in "farm mode", you will also need to proceed to other manual (...) -
MediaSPIP version 0.1 Beta
16 avril 2011, parMediaSPIP 0.1 beta est la première version de MediaSPIP décrétée comme "utilisable".
Le fichier zip ici présent contient uniquement les sources de MediaSPIP en version standalone.
Pour avoir une installation fonctionnelle, il est nécessaire d’installer manuellement l’ensemble des dépendances logicielles sur le serveur.
Si vous souhaitez utiliser cette archive pour une installation en mode ferme, il vous faudra également procéder à d’autres modifications (...) -
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 (...)
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PSNR for YUV files using matlab [duplicate]
29 février 2016, par apiprojThis question already has an answer here :
In my video streaming application I have two yuv files.One is original which is am streaming over the network after x264 encoding, another is reconstructed decoded yuv file in receiver side.
How to calculate PSNR value between two YUV files in MATLAB or ldecoder or using any other tool ?
Thanks in advance.
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FFmpeg UHD encoding (piping to x265)
15 décembre 2016, par TEBUpdate based on the good answers :
Source :
Prores HQ 4:2:2 10bit
4kp25
REC:2020Heres my syntax now :
ffmpeg -pix_fmt yuv422p10 -i JUNGLES_PLUTO_UHD_HDR_HLG.mov -pix_fmt yuv420p10 -f yuv4mpegpipe - | x265 --y4m - --input-res 3840x2160 --fps 25 --preset veryslow --b-adapt 2 --ref 4 --no-open-gop --keyint 50 --min-keyint 50 --no-scenecut --profile main --level-idc 5 --no-high-tier --sar 1:1 --colorprim bt709 --transfer bt709 --colormatrix bt709 --bframes 3 --hrd --vbv-bufsize 25000 --bitrate 25000 --vbv-maxrate 25000 --aud --no-info --b-pyramid -o test.h265
output: Option pixel_format not found.Target : (non-hdr UHD STB)
hevc.file
rec:709- Question 1 : How does one pipe correctly from ffmpeg to x265 ?
- Question 2 : How can one make sure the cpus are all taxed ? I have
16vcores, but im getting like 2-3% usage on all - Question 3 : Any suggestions on the parameters to increase the
quality ? -
Question 4 : Since the content is BT2020, but my target device is not currently able to display/render BT2020, but BT709.. how would i change the syntax to enable this in the best way..(downscale it)
Would :—colorprim bt2020 —transfer bt2020 —colormatrix bt709
be correct ?
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avformat/ifv : added support for ifv cctv files
10 juin 2019, par Swaraj Hotaavformat/ifv : added support for ifv cctv files
Fixes ticket #2956.
Signed-off-by : Swaraj Hota <swarajhota353@gmail.com>
Signed-off-by : Peter Ross <pross@xvid.org>