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Autres articles (48)
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Mise à jour de la version 0.1 vers 0.2
24 juin 2013, parExplications des différents changements notables lors du passage de la version 0.1 de MediaSPIP à la version 0.3. Quelles sont les nouveautés
Au niveau des dépendances logicielles Utilisation des dernières versions de FFMpeg (>= v1.2.1) ; Installation des dépendances pour Smush ; Installation de MediaInfo et FFprobe pour la récupération des métadonnées ; On n’utilise plus ffmpeg2theora ; On n’installe plus flvtool2 au profit de flvtool++ ; On n’installe plus ffmpeg-php qui n’est plus maintenu au (...) -
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. -
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 (...)
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How do I apply filter to only one input source ?
3 septembre 2014, par Rangi LinI want to add a watermark image to a video, and also want to make watermark fade out later.
Here is the option I use :
ffmpeg -i video.mpg -filter_complex "overlay=0:0, fade=out:0:60" -i watermark.png animation_watermark.mpg
However, it fade out entire video instead of just the watermark, how do I tell ffmpeg apply filter to specified input ?
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How To apply video filter for Opencv VideoCapture in C++
23 février 2021, par 하형욱I am using ffmpeg command for recording movie from webcam Device


ffmpeg -f dshow -i video="USB Video Device" -vf scale=in_range=full d:/video.mp4



and I want to apply option openCV library in C++.
But I don't know apply "-vf scale=in_range=full" option in code. please help me


cv::VideoCapture m_videoCapture;
m_videoCapture.open(3); // 3 is device ID = USB Video Device 
m_videoCapture.set(CV_CAP_PROP_FRAME_WIDTH, 1920);
m_videoCapture.set(CV_CAP_PROP_FRAME_HEIGHT, 1080);
m_videoCapture.set(CV_CAP_PROP_FPS, 30.00);
// Set vf(VideoFilter) here ? whow?
if (!m_videoCapture.isOpened())
{
 ::MessageBox(NULL, "WebCam Device could not be opened succesfully", "CAM", MB_OK);
 return false;
}
return true;

cv::Mat frame;
while (char(cv::waitKey(100)) != 'q')
{
 m_videoCapture >> frame;
 // shoud I write code here for applying videofilteR?

 if (frame.empty()) break;
}



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avcodec/xvmc : apply attribute_deprecated correctly
10 octobre 2015, par Ganesh Ajjanagaddeavcodec/xvmc : apply attribute_deprecated correctly
This fixes a warning observed on Clang 3.7 :
"warning : attribute ’deprecated’ is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes]"
and thus enables deprecation warning for the relevant struct.Signed-off-by : Ganesh Ajjanagadde <gajjanagadde@gmail.com>
Signed-off-by : Ronald S. Bultje <rsbultje@gmail.com>