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Carte de Schillerkiez
13 mai 2011, par
Mis à jour : Septembre 2011
Langue : English
Type : Texte
Autres articles (108)
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Les autorisations surchargées par les plugins
27 avril 2010, parMediaspip core
autoriser_auteur_modifier() afin que les visiteurs soient capables de modifier leurs informations sur la page d’auteurs -
Keeping control of your media in your hands
13 avril 2011, parThe vocabulary used on this site and around MediaSPIP in general, aims to avoid reference to Web 2.0 and the companies that profit from media-sharing.
While using MediaSPIP, you are invited to avoid using words like "Brand", "Cloud" and "Market".
MediaSPIP is designed to facilitate the sharing of creative media online, while allowing authors to retain complete control of their work.
MediaSPIP aims to be accessible to as many people as possible and development is based on expanding the (...) -
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 (...)
Sur d’autres sites (10904)
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FFMPEG : extracting jpegs at 1 fps rate with "-r 1" or "vf fps=fps=1" causes first three frames to be wrong [closed]
11 avril 2013, par StefanI need to use ffmpeg to extract video stills from a video, one picture per second, starting with second 0. I created a 4min test video with a running timecode (25fps, starting with 00:00:00 running to 03:59:24) If I use either
ffmpeg -i input.mp4 -f image2 -r 1 still-%d.jpeg
or
ffmpeg -i input.mp4 -f image2 -vf fps="fps=1" still-%d.jpeg
I fail because the first three images do not display expected time codes 00:00:00, 00:01:00, 00:02:00, but 00:00:00, 00:00:01, 00:00:13, and all subsequent images show having frame 13 in their timecode (and not :00). This causes my video preview to be off by 1-2 seconds.
I had to resort to invoke ffmpeg for each frame, using -ss 0..240 and -vframes 1 to extract exactly one frame at the exact time. This works perfectly, all output files show the timecode of the first frame of that second.
This method is considerably slower, however, and I'd rather not use it.
Is there something I missed with the -r option or fps filter ? I tried specifying fps=fps=1:round=zero, but I got an error saying that the key "round" was not found.
Thank you in advance !
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Revision 56d01ee0a6 : Merge "Remove unused macroblock versions of reconstruction functions." into expe
12 avril 2013, par Ronald S. BultjeMerge "Remove unused macroblock versions of reconstruction functions." into experimental
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Revision cff266bbef : Merge "WIP : removing predictor buffer usage from decoder" into experimental
12 avril 2013, par Scott LaVarnwayChanged Paths : Modify /vp9/decoder/vp9_decodframe.c Modify /vp9/encoder/vp9_encodeintra.c Modify /vp9/encoder/vp9_rdopt.c Merge "WIP : removing predictor buffer usage from decoder" into experimental