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Autres articles (91)
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Keeping control of your media in your hands
13 avril 2011, parThe vocabulary used on this site and around MediaSPIP in general, aims to avoid reference to Web 2.0 and the companies that profit from media-sharing.
While using MediaSPIP, you are invited to avoid using words like "Brand", "Cloud" and "Market".
MediaSPIP is designed to facilitate the sharing of creative media online, while allowing authors to retain complete control of their work.
MediaSPIP aims to be accessible to as many people as possible and development is based on expanding the (...) -
Participer à sa traduction
10 avril 2011Vous pouvez nous aider à améliorer les locutions utilisées dans le logiciel ou à traduire celui-ci dans n’importe qu’elle nouvelle langue permettant sa diffusion à de nouvelles communautés linguistiques.
Pour ce faire, on utilise l’interface de traduction de SPIP où l’ensemble des modules de langue de MediaSPIP sont à disposition. ll vous suffit de vous inscrire sur la liste de discussion des traducteurs pour demander plus d’informations.
Actuellement MediaSPIP n’est disponible qu’en français et (...) -
Creating farms of unique websites
13 avril 2011, parMediaSPIP platforms can be installed as a farm, with a single "core" hosted on a dedicated server and used by multiple websites.
This allows (among other things) : implementation costs to be shared between several different projects / individuals rapid deployment of multiple unique sites creation of groups of like-minded sites, making it possible to browse media in a more controlled and selective environment than the major "open" (...)
Sur d’autres sites (21004)
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drop related audio when dropping video frames
24 août 2022, par SilentfuryI have an ffmpeg complex filter that drops frames using mpdecimate (so there is no predictable rate of dropping). The video part works fine and as intended. I use SETPTS to adjust the timesstamps of the not dropped frames to get a smooth video without duplicates.


Now I want to drop the related audio in parallel, but I utterly fail.


I need the audio frames related to the droped video frames to be dropped as well, while keeping the audio related to the not-dropped video frames.


I have tried to replace SETPTS with '-vsync vfr' but that keeps all audio (decorated with still video parts). I have also tried to use ASETPTS but have no clue how to apply it to my case.


Is there a way to drop the AUDIO parts in parallel to the dropped VIDEO parts ?


Thanks a lot for your support !


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Why do ffmpeg developers use "runtime if" with macrofied condition ?
6 avril 2022, par Pavel KorotkevichI'm looking to FFmpeg source code and I find it weird to use weird code like this :


#define MACRO 0
void func(void)
{
 if (MACRO) 
 {
 //code
 }
}


Is there any reason to use "if" instead of "#if ... #endif" when dealing with macros ?


Some examples of this in ffmpeg repo


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- GitHub - libavcodec/me_cmp.c
- GitHub - libavcodec/h264pred.c
- GitHub - libavcodec/h264qpel.c
- GitHub - libavcodec/h264chroma.c
- GitHub - libavcodec/h264dsp.c
- GitHub - libavcodec/videodsp.c
- GitHub - libavutil/cpu.c
















-
Why ffmpeg developers using "runtime if" with macrofied condition
4 avril 2022, par Pavel KorotkevichI'm looking to FFmpeg source code and I find it weird to use weird code like this :


#define MACRO 0
void func(void)
{
 if (MACRO) 
 {
 //code
 }
}


Is there any reason to use "if" instead of "#if ... #endif" when dealing with macros ?


Some examples of this in ffmpeg repo


- 

- GitHub - libavcodec/me_cmp.c
- GitHub - libavcodec/h264pred.c
- GitHub - libavcodec/h264qpel.c
- GitHub - libavcodec/h264chroma.c
- GitHub - libavcodec/h264dsp.c
- GitHub - libavcodec/videodsp.c
- GitHub - libavutil/cpu.c
















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