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Autres articles (42)
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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 -
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 (...) -
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 (...)
Sur d’autres sites (4318)
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DirectShow RTSP SourceFilter with MPEG-4 Video Stream
5 octobre 2011, par 6.45.VapuruI create a simple direct show source filter using FFmpeg.I read rtp packets from RTSP source and give them to decoder. It works for h264 stream.
MyRtspSourceFilter[H264 Stream] ---> h264 Decoder --> Video Renderer
The bad news is that it does not work for MPEG-4. I can able to connect my rtsp source filter with MPEG-Decoder. I got no exception but video renderer does not show anything. Actually just show one frame then nothing [just stop]... Decoders and Renderers are 3rd party so i can not debug them.
MyRtspSourceFilter[MP4 Stream] ---> MPEG-4 Decoder --> Video Renderer
I can able to get rtp packets from MPEG-4 RTSP Source using FFmpeg sucessfully.There is no problem with it.
It seems that i have not set something(?) in my Rtsps Source
Filter which is not necessary for H264 stream but may be important for
MPEG-4 streamWhat may cause this h264 stream and MPEG-4 stream difference in a direct show rtsp source filter ? Any ideas.
More Info :
— First i try some other rtsp source filters for MPEG-4 Stream...Although my rtsp source is same i see different subtypes in their pin connections.
— Secondly i realy get suspicious if the source is really MPEG-4 SO i check with FFmpeg...FFmpeg gives the source codec id as "CODEC_ID_MPEG4".
Update :
[ Hack ]I just set m_bmpInfo.biCompression = DWORD('xvid') it just worked fine...But it is static. How to dynamically get/determine this value using ffmpeg or other ways...
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Anomalie #2442 (Fermé) : Insertion de vidéo dans un article
5 décembre 2011, par spip factoryIl est impossible de joindre un document sur un SPIP 3.0.0-beta SVN [18772], si l’on clic sur le bouton Ajouter un document on ouvre le lien http://spipfactory.com/ecrire/?exec=article&id_article=497&ajouter=oui ors celui-ci nous indique Ajouter une image confirmer sur http://grml.eu (...)
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ffmpeg missing frames when generating video from images
5 décembre 2011, par EderI have been trying to generate a video from a set of images using ffmpeg. Everything seems to be working, but when I watch the video I notice that some of the images are missing. I checked the output from ffmpeg, and it seems that it processes all the source images. Has any of you experienced the same problem ? I'm using mp4 format and mpeg4 codec.
Interestingly, if I use avi format, without specifying any codec, I can see those missing images correctly (although the video seems to be jumping from one image to the next quite irregularly). By the way, I have only 14 images, so I set a frame rate of 6. The mp4 video is smooth with these settings, but the avi is quite 'jumpy'.
Thanks in advance.