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Autres articles (41)
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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 -
Support audio et vidéo HTML5
10 avril 2011MediaSPIP utilise les balises HTML5 video et audio pour la lecture de documents multimedia en profitant des dernières innovations du W3C supportées par les navigateurs modernes.
Pour les navigateurs plus anciens, le lecteur flash Flowplayer est utilisé.
Le lecteur HTML5 utilisé a été spécifiquement créé pour MediaSPIP : il est complètement modifiable graphiquement pour correspondre à un thème choisi.
Ces technologies permettent de distribuer vidéo et son à la fois sur des ordinateurs conventionnels (...) -
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 (6367)
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Xuggler encoding images to video FPS issue
1er novembre 2011, par Chris RobinsonI've been experimenting with encoding a video from a series of images using CaptureScreenToFile.java as a basis. My output is to be an
MP4
file. From 26 images, using the code as is (taking the images from a directory instead of from a screen capture obviously), the encoding video is 11s. However, if I change theframerate
variable to :frameRate = IRational.make(1, 24);
which I believe should result in a video of 24FPS. It does not however, (no change from the original video in fact). I experimented with changing the
timeStamp
variable inencodeImage()
method to :long timeStamp = (firstTimeStamp*1000)+(i*40);
where
0 < i < 25
to see if that would help but it doesn't. Can anyone explain to me how to encode a directory of images to a video with a framerate that I can set ? -
Streaming live video from ios
12 février 2014, par JohnI have a need to stream video from the iPhone/iPad camera to a server. It looks like this will need to be done with AVCaptureSession but I don't know how to best architect this.
I found this post :
streaming video FROM an iPhone
But it doesn't handle the "live" part, latency needs to be 2 or 3 seconds at most. Devices can be constrained to 4 or 4S capability if needed, and there is no requirement for HD, VGA is probably what we'll end up with. I assume any solution would use ffmpeg, I haven't found any more appropriate library.
How is this best accomplished ?
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What are the APIs for hardware accelerated video decoding in phones ?
11 janvier 2012, par cloudravenI have seen many smartphones coming with hardware accelerated video decoding supporting mpeg2 and h264, but unlike in desktop and laptop systems, it is not clear to me how to interact with the hardware acceleration.
For desktops/laptops there is DXVA, VDPAU and OpenMax.
Is any of those supported in Mobile phones ? I think OpenMax is, but I am not sure of how widely supported it is.Is anyone familiar with what is usually used to write hardware accelerated media players and decoders for platforms like Snapdragon, Tegra 2 or Omap 4 running Android or Windows Phone ?
I know that ffmpeg can be compiled for arm and I wonder what kind of hardware video acceleration it supports on that platform.