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Autres articles (104)
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Encoding and processing into web-friendly formats
13 avril 2011, parMediaSPIP automatically converts uploaded files to internet-compatible formats.
Video files are encoded in MP4, Ogv and WebM (supported by HTML5) and MP4 (supported by Flash).
Audio files are encoded in MP3 and Ogg (supported by HTML5) and MP3 (supported by Flash).
Where possible, text is analyzed in order to retrieve the data needed for search engine detection, and then exported as a series of image files.
All uploaded files are stored online in their original format, so you can (...) -
Les formats acceptés
28 janvier 2010, parLes commandes suivantes permettent d’avoir des informations sur les formats et codecs gérés par l’installation local de ffmpeg :
ffmpeg -codecs ffmpeg -formats
Les format videos acceptés en entrée
Cette liste est non exhaustive, elle met en exergue les principaux formats utilisés : h264 : H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 m4v : raw MPEG-4 video format flv : Flash Video (FLV) / Sorenson Spark / Sorenson H.263 Theora wmv :
Les formats vidéos de sortie possibles
Dans un premier temps on (...) -
Gestion de la ferme
2 mars 2010, parLa ferme est gérée dans son ensemble par des "super admins".
Certains réglages peuvent être fais afin de réguler les besoins des différents canaux.
Dans un premier temps il utilise le plugin "Gestion de mutualisation"
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Creating uncompressed video files from sequences of images with partial looping
18 septembre 2021, par Ethan KendrickI have multiple sequences of 7 images. I would like to encode these 7 images into a 10 fps video file that cycles through the first 4 images in the first 4 frames, and then repeats the rest of the images in a looping order for a total of n frames. For example, a 32-frame video file as follows :


12345676567656765676567656765676


Is there a way to predetermine the order of the 7 frames, including duplicates (the repetition of images 5, 6, and 7) ?


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avcodec/jpegtables : Unavpriv MJPEG-tables
10 février 2021, par Andreas Rheinhardtavcodec/jpegtables : Unavpriv MJPEG-tables
There are seven MJPEG-tables, five small (1x12, 4x17) and two
not small (2x162). These are all avpriv, despite this not being
worthwhile due to the overhead of exporting a symbol : The total
overhead for each symbol consists of two entries in .dynsym (24B each),
one entry in the importing library's .rela.dyn (24B) and one in .got
(8B) as well as 2x2B for symbol versions and 4B for symbol hashes
in the exporting library ; in addition to that, the name of the symbol
is included in both exporting and importing libraries, using 2x210 bytes
in this case.
(The above numbers are for a x64 Elf/Linux/GNU system. Other platforms
will give different numbers.)Signed-off-by : Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
- [DH] configure
- [DH] libavcodec/Makefile
- [DH] libavcodec/g2meet.c
- [DH] libavcodec/jpegtables.c
- [DH] libavcodec/jpegtables.h
- [DH] libavcodec/jpegtabs.h
- [DH] libavcodec/ljpegenc.c
- [DH] libavcodec/mjpeg2jpeg_bsf.c
- [DH] libavcodec/mjpegdec.c
- [DH] libavcodec/mjpegenc.c
- [DH] libavcodec/mjpegenc_common.c
- [DH] libavcodec/mss4.c
- [DH] libavcodec/vaapi_encode_mjpeg.c
- [DH] libavformat/Makefile
- [DH] libavformat/jpegtables.c
- [DH] libavformat/rtpdec_jpeg.c
- [DH] libavformat/rtpenc_jpeg.c