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Autres articles (14)
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Supporting all media types
13 avril 2011, parUnlike most software and media-sharing platforms, MediaSPIP aims to manage as many different media types as possible. The following are just a few examples from an ever-expanding list of supported formats : images : png, gif, jpg, bmp and more audio : MP3, Ogg, Wav and more video : AVI, MP4, OGV, mpg, mov, wmv and more text, code and other data : OpenOffice, Microsoft Office (Word, PowerPoint, Excel), web (html, CSS), LaTeX, Google Earth and (...)
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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 (...) -
Ajouter notes et légendes aux images
7 février 2011, parPour pouvoir ajouter notes et légendes aux images, la première étape est d’installer le plugin "Légendes".
Une fois le plugin activé, vous pouvez le configurer dans l’espace de configuration afin de modifier les droits de création / modification et de suppression des notes. Par défaut seuls les administrateurs du site peuvent ajouter des notes aux images.
Modification lors de l’ajout d’un média
Lors de l’ajout d’un média de type "image" un nouveau bouton apparait au dessus de la prévisualisation (...)
Sur d’autres sites (5457)
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Start rtl_fm and ffmpeg when connecting to a controller and return the stream
14 février 2017, par yglodtI would like to run
rtl_fm
andffmpeg
on demand from within a Spring Controller, with parameters from the calling url, and return the stream to the caller.The command-line to run would more or less be :
rtl_fm -f 105000K -M fm -s 170k -A std -l 0 -E deemp -r 44.1k | \
ffmpeg -f s16le -ac 1 -i pipe:0 -acodec libmp3lame -ab 128k -f mpeg -105000
is the frequency in kHz and should be taken from a request parameter or path variable.The url (Controller) should return the stream so that it can be played in a remote vlc.
When disconnecting from the url (stopping vlc playback), the
rtl_fm
andffmpeg
processes should be ended immediately.Is that feasible ?
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Java IO Streaming Large Files Video/Data/Sound [on hold]
2 mars 2015, par James RelicI have a series of questions listed below regarding java.io streaming and sockets.
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What is a video streaming server ? How does it differ from a standard web server.
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Remember Napster/Morpheus etc ? They’re P2P programs, did they allow users to stream data to each other ? Is there a difference between streaming and downloading (on the clients end) ?
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How would you go about writing a generic program in java that streams anything to the client , word docs, mp3 files, videos files ? Would you use serverlets for this purpose ?
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If all you are doing is sending files video/sound/docs/text etc from one computer to another would you need to use specialist APIs like FFMPEG-Java, Red5 ?
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if you are sending video or sound as a file supposedly you don’t need to worry about encoding or decoding ?
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Do I need to worry about RTSP if im streaming videos as a file ? Rather then wanting them to play live on the client end ?
I understand my questions sound very untechnical and basic, but I’m a little confused on this whole streaming topic and want to know the best way to stream large files of all types using the Java EE/Spring platform.
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FFmpeg libx264 Llicense
2 juillet 2014, par user416472We have Java Spring application. The application interacts with FFmpeg through Java Runtime.exec() call in order to encode video into mp4 format. Are we ok with the commercial aspect of our application, having in mind that libx264 is released under GPL license, ffmpeg under LGPL license and we are using ffmpeg as external command line utility already installed and hosted on the client’s computer ?