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La conservation du net art au musée. Les stratégies à l’œuvre
26 mai 2011
Mis à jour : Juillet 2013
Langue : français
Type : Texte
Autres articles (40)
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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 (...) -
De l’upload à la vidéo finale [version standalone]
31 janvier 2010, parLe chemin d’un document audio ou vidéo dans SPIPMotion est divisé en trois étapes distinctes.
Upload et récupération d’informations de la vidéo source
Dans un premier temps, il est nécessaire de créer un article SPIP et de lui joindre le document vidéo "source".
Au moment où ce document est joint à l’article, deux actions supplémentaires au comportement normal sont exécutées : La récupération des informations techniques des flux audio et video du fichier ; La génération d’une vignette : extraction d’une (...) -
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 (...)
Sur d’autres sites (8528)
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libavformat/rtpdec : fix issue with conversion from unsigned to signed
20 février 2015, par Gilles Chanteperdrixlibavformat/rtpdec : fix issue with conversion from unsigned to signed
When receiving an RTCP packet, the difference between the last RTCP
timestamp and the base timestamp may be negative. As these timestamps
are of the uint32_t type, the result becomes a large integer. Cast
the difference to int32_t to avoid this issue.The result of this issue is very large start times for RTSP
streams, and difficulty to restart correctly after a pause.Signed-off-by : Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
Signed-off-by : Michael Niedermayer <michaelni@gmx.at> -
SDL2.0 Alternative for SDL_Overlay
19 juin 2019, par JoshSo I’ve been trying to go through the following tutorial on ffmpeg : http://dranger.com/ffmpeg/tutorial02.html
However, when I try to compile using gcc, I get the following output :
root:/Users/mbrodeur/Downloads/HACKATHON CONTENT/Tutorials-> gcc -o tutorial02 tutorial02.c -lavutil -lavformat -lavcodec -lz -lavutil -lm -lswscale -D_THREAD_SAFE -lSDL2
tutorial02.c: In function ‘main’:
tutorial02.c:41: error: ‘SDL_Overlay’ undeclared (first use in this function)
tutorial02.c:41: error: (Each undeclared identifier is reported only once
tutorial02.c:41: error: for each function it appears in.)
tutorial02.c:41: error: ‘bmp’ undeclared (first use in this function)
tutorial02.c:98: warning: assignment makes pointer from integer without a cast
tutorial02.c:110: error: ‘SDL_YV12_OVERLAY’ undeclared (first use in this function)Now, I read that SDL_Overlay is no longer used in SDL2, so therein lies the problem. I’ve been poking around, but can’t seem to find anything helpful. Is there a replacement for SDL_Overlay ? Is it necessary ?
SDL_Overlay is used in the following context :
SDL_Overlay *bmp;
bmp = SDL_CreateYUVOverlay(pCodecCtx->width, pCodecCtx->height,
SDL_YV12_OVERLAY, screen); -
SDL2.0 Alternative for SDL_Overlay
2 février 2017, par JoshSo I’ve been trying to go through the following tutorial on ffmpeg : http://dranger.com/ffmpeg/tutorial02.html
However, when I try to compile using gcc, I get the following output :
root:/Users/mbrodeur/Downloads/HACKATHON CONTENT/Tutorials-> gcc -o tutorial02 tutorial02.c -lavutil -lavformat -lavcodec -lz -lavutil -lm -lswscale -D_THREAD_SAFE -lSDL2
tutorial02.c: In function ‘main’:
tutorial02.c:41: error: ‘SDL_Overlay’ undeclared (first use in this function)
tutorial02.c:41: error: (Each undeclared identifier is reported only once
tutorial02.c:41: error: for each function it appears in.)
tutorial02.c:41: error: ‘bmp’ undeclared (first use in this function)
tutorial02.c:98: warning: assignment makes pointer from integer without a cast
tutorial02.c:110: error: ‘SDL_YV12_OVERLAY’ undeclared (first use in this function)Now, I read that SDL_Overlay is no longer used in SDL2, so therein lies the problem. I’ve been poking around, but can’t seem to find anything helpful. Is there a replacement for SDL_Overlay ? Is it necessary ?
SDL_Overlay is used in the following context :
SDL_Overlay *bmp;
bmp = SDL_CreateYUVOverlay(pCodecCtx->width, pCodecCtx->height,
SDL_YV12_OVERLAY, screen);