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Video d’abeille en portrait
14 mai 2011, par
Mis à jour : Février 2012
Langue : français
Type : Video
Autres articles (85)
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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 (...) -
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 (...) -
Submit bugs and patches
13 avril 2011Unfortunately a software is never perfect.
If you think you have found a bug, report it using our ticket system. Please to help us to fix it by providing the following information : the browser you are using, including the exact version as precise an explanation as possible of the problem if possible, the steps taken resulting in the problem a link to the site / page in question
If you think you have solved the bug, fill in a ticket and attach to it a corrective patch.
You may also (...)
Sur d’autres sites (10684)
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Why are Iphone videos upside down ?
7 juillet 2017, par hendryI have a video file captured using the standard Camera app copied off my Iphone5 using btsync :
orig.mov: ISO Media, Apple QuickTime movie
That plays upside down in mplayer or vlc.
When I transcode it using AWS’s elastictranscoder using a standard preset :
elastictranscoder.mpg: ISO Media, MPEG v4 system, version 1
That transcoded video file plays back the right way up.
When transcoding myself, using ffmpeg I need to explicitly rotate the video otherwise the resulting mp4,webm files are upside down.
So I am guessing AWS’s elastictranscoder auto rotates the video somehow. However why is the video upside down to begin with ?
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Why are Iphone videos upside down ?
1er avril 2014, par hendryI have a video file captured using the standard Camera app copied off my Iphone5 using btsync :
orig.mov: ISO Media, Apple QuickTime movie
That plays upside down in mplayer or vlc.
When I transcode it using AWS's elastictranscoder using a standard preset :
elastictranscoder.mpg: ISO Media, MPEG v4 system, version 1
That transcoded video file plays back the right way up.
When transcoding myself, using ffmpeg I need to explicitly rotate the video otherwise the resulting mp4,webm files are upside down.
So I am guessing AWS's elastictranscoder auto rotates the video somehow. However why is the video upside down to begin with ?
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Having issues compiling ffmpeg 0.11.1 for iPhone
1er août 2012, par ron garayI'm only asking this because I've successfully built previous versions of ffmpeg. Currently I use 0.10.2 since 0.11.1 fails.
This is the errors I get when compiling 0.11.1
CC libavcodec/arm/h264dsp_init_arm.o
CC libavcodec/arm/h264pred_init_arm.o
Unable to identify target architecture at /usr/bin/gas-preprocessor.pl line 82.
CC libavcodec/arm/mpegaudiodsp_init_arm.o
AS libavcodec/arm/jrevdct_arm.o
CC libavcodec/arm/mpegvideo_arm.o
libavcodec/arm/jrevdct_arm.S:72:garbage following instruction — `ldr r11,.Lpicoff\'
libavcodec/arm/jrevdct_arm.S:73:Unknown pseudo-op : .Lpic
libavcodec/arm/jrevdct_arm.S:73:Rest of line ignored. 1st junk character valued 92 ().
libavcodec/arm/jrevdct_arm.S:75:Unknown pseudo-op : .altmacro
libavcodec/arm/jrevdct_arm.S:76:Unknown pseudo-op : .noaltmacro
make : * [libavcodec/arm/jrevdct_arm.o] Error 1I would want either of these :
1)Fix this issue an compile ffmpeg for armv7
2)Know what I have to put in a script to ensure I'm downloading ffmpeg 0.10.2Thank You