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Médias (1)
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Revolution of Open-source and film making towards open film making
6 octobre 2011, par
Mis à jour : Juillet 2013
Langue : English
Type : Texte
Autres articles (61)
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Des sites réalisés avec MediaSPIP
2 mai 2011, parCette page présente quelques-uns des sites fonctionnant sous MediaSPIP.
Vous pouvez bien entendu ajouter le votre grâce au formulaire en bas de page. -
Problèmes fréquents
10 mars 2010, parPHP et safe_mode activé
Une des principales sources de problèmes relève de la configuration de PHP et notamment de l’activation du safe_mode
La solution consiterait à soit désactiver le safe_mode soit placer le script dans un répertoire accessible par apache pour le site -
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 (10983)
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Django Celery FFMPEG : convert video files
3 janvier 2012, par sultanI'm trying to convert video files using FFMPEG via Celery tasks. The generated command to be executed looks like
ffmpeg -i /path/to/flv -ar 22050 -ab 96k -r 24 -b 600k -f flv path/to/flv/transcoded/flv_movie.flv
and when I call the task
TranscodeVideoTask.delay(src=filepath, dst=destination_path)
I getflv_movie.flv
file but its size is only about200Kb
and debug outputPress [q] to stop, [?] for help
[h264 @ 0x10205a200] Reference 3 >= 3
[h264 @ 0x10205a200] error while decoding MB 7 5, bytestream (690)
[h264 @ 0x10205a200] concealing 762 DC, 762 AC, 762 MV errors
frame= 40 fps= 0 q=2.0 Lsize= 136kB time=00:00:01.66 bitrate= 668.2kbits/s dup=0 drop=9
video:114kB audio:20kB global headers:0kB muxing overhead 1.814991%TranscodeVideoTask source
@task(name="transcode.media")
def TranscodeVideoTask(src, dst):
command = commands.get("flv") % {"src": src, "dst": dst}
os.system(src, dst)
filename = os.path.join(dst, "flv_movie.flv")
YamdiInjector.yamdi(filename, dst)When the same command executed manually in the console it works just fine.
UPDATE
So far I've composed the following ffmpeg instructions in my bash file and it converts almost every avi file I tested already#!/bin/sh
INPUT=$1
OUTPUT=$2/flv_movie.flv
echo "Input file: ${INPUT}"
echo "Output file: ${OUTPUT}"
echo `ffmpeg -y -i $INPUT -ar 44100 -ab 128k -ac 2 -sameq -f flv $OUTPUT`What may cause this strange problem ?
Sultan
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ffmpeg - wrong length of video
29 mars 2012, par VictorI use ffmpeg to convert a video from mp4 to flv and mpg formats. Just rough conversion with few params :
ffmpeg -i my_file.mp4 -an -f flv my_new_file.flv
(I don't need sound so I specified -an)
When I convert file with 2:23 length I get 0:23 length of flv(or mpg) files. Why does that happen ?
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Change Audio pitch and add blur effect in video using ffmpeg Php
29 mars 2012, par santosh yadavI have a video clip and i want to change Identity of person on Video,
For That i want to change pitch of audio and add blur effect on video,
I have use following things for change pitch but it is not provide better result,
ffmpeg -i w.mpg -vcodec copy -an tmpVideo.mpg
ffmpeg -i w.mpg tmpAudio.wav
rubberband -p 6 tmpAudio.wav tmpAudioRB.wav
ffmpeg -i tmpVideo.mpg -i tmpAudioRB.wav -vcodec copy finalVideow_6.mpgAny Better solution for Change pitch and add blur effect,