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Médias (1)
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Video d’abeille en portrait
14 mai 2011, par
Mis à jour : Février 2012
Langue : français
Type : Video
Autres articles (39)
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Publier sur MédiaSpip
13 juin 2013Puis-je poster des contenus à partir d’une tablette Ipad ?
Oui, si votre Médiaspip installé est à la version 0.2 ou supérieure. Contacter au besoin l’administrateur de votre MédiaSpip pour le savoir -
Configuration spécifique d’Apache
4 février 2011, parModules spécifiques
Pour la configuration d’Apache, il est conseillé d’activer certains modules non spécifiques à MediaSPIP, mais permettant d’améliorer les performances : mod_deflate et mod_headers pour compresser automatiquement via Apache les pages. Cf ce tutoriel ; mode_expires pour gérer correctement l’expiration des hits. Cf ce tutoriel ;
Il est également conseillé d’ajouter la prise en charge par apache du mime-type pour les fichiers WebM comme indiqué dans ce tutoriel.
Création d’un (...) -
Contribute to a better visual interface
13 avril 2011MediaSPIP is based on a system of themes and templates. Templates define the placement of information on the page, and can be adapted to a wide range of uses. Themes define the overall graphic appearance of the site.
Anyone can submit a new graphic theme or template and make it available to the MediaSPIP community.
Sur d’autres sites (6233)
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avformat/webmdashenc : Fix segfault when no filename is given when live
14 juillet 2020, par Andreas Rheinhardt -
Encoding videos for use with Adobe Live Streaming
10 mai 2016, par FiddleMeRaggedI have an original video coded at 20Mbps, 1920x1080, 30fps and want to convert it down to be 640x480 30fps at a range of (3 different) bitrates for use by Adobe Live Streaming.
Should I use ffmpeg to resize and encode at the 3 bitrates then use f4fpackager to create the f4m f4f and f4x files or just use ffmpeg to reduce the resolution and then f4fpackager to encode the relevant bitrates ?
I’ve had several tries so far, but when encoded the videos seem to play at a much larger bitrate than they’ve been encoded at. For example, if I set up the OSMF to play from my webserver, I’d be expecting my best encoded video to play at 1,500kbps but it’s way above that.
Has anyone had any experience of encoding for use like this ?
I’m using the following options to f4fpackager
--bitrate=1428 --segment-duration 30 --fragment-duration 2
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iPhone camera live steaming
15 juin 2012, par Inder Kumar RathoreI have downloaded ffmpeg lib file and complied it for armv7. I added ffmpeg lib files in my project successfully. i am able to get iphone camera live streams using AVFoundation.
Now the problem is how will i convert iphone camera streams output as a input of ffmpeg for decode ? Check my code
- (void)captureOutput:(AVCaptureOutput *)captureOutput didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer fromConnection:(AVCaptureConnection *)connection {
CMBlockBufferRef bufferData = CMSampleBufferGetDataBuffer(sampleBuffer);
size_t lengthAtOffset;
size_t totalLength; char* data;if(CMBlockBufferGetDataPointer(bufferData, 0, &lengthAtOffset, &totalLength, &data ) != noErr )
NSLog(@"error !") ;
Kindly suggested me which function of ffmpeg lib is used for decoding and how will i put
CMBlockBufferRef
as a input of this ??Thanks