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Médias (91)

Autres articles (35)

  • Support de tous types de médias

    10 avril 2011

    Contrairement à beaucoup de logiciels et autres plate-formes modernes de partage de documents, MediaSPIP a l’ambition de gérer un maximum de formats de documents différents qu’ils soient de type : images (png, gif, jpg, bmp et autres...) ; audio (MP3, Ogg, Wav et autres...) ; vidéo (Avi, MP4, Ogv, mpg, mov, wmv et autres...) ; contenu textuel, code ou autres (open office, microsoft office (tableur, présentation), web (html, css), LaTeX, Google Earth) (...)

  • Supporting all media types

    13 avril 2011, par

    Unlike 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 (...)

  • Encoding and processing into web-friendly formats

    13 avril 2011, par

    MediaSPIP automatically converts uploaded files to internet-compatible formats.
    Video files are encoded in MP4, Ogv and WebM (supported by HTML5) and MP4 (supported by Flash).
    Audio files are encoded in MP3 and Ogg (supported by HTML5) and MP3 (supported by Flash).
    Where possible, text is analyzed in order to retrieve the data needed for search engine detection, and then exported as a series of image files.
    All uploaded files are stored online in their original format, so you can (...)

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  • Opening h264_nvenc encoder in ffmpeg takes about 1.5 seconds in Nvidia GPU

    9 mai 2019, par faraway

    We’re using ffmpeg as a library and need to open several encoding sessions at the same time.

    1. At first sessions, h264_nvenc opens very quickly but when session count has increased to 40, only avcodec_open takes 1.5 seconds.

    2. Secondly, avcodec_open can open h264_nvenc one at a time so that if there are 40 sessions started at the same time, last session can take about 20 seconds to start

    Do you have any idea about questions ?

    Regards,

  • how to decode h264 data from rtsp stream directively to BGR24 pixel format for cv::Mat or cv::cuda::GpuMat with ffmpeg c lib on NVIDIA GPU ?

    30 septembre 2019, par Wussup

    I want decode h264 dirctively to cv::Mat or cv::cuda::GpuMat without sws_scale to saving CPUs.

    So is there any way to make it realized ? thanks in advance.

  • NVEnc Directshow Filter [NVIDIA VIDEO ENCODER FILTER]

    26 janvier 2020, par gaamaa

    I could successfully use h264_nvenc in ffmpeg to record my video source using nVidia.
    But I need Pause/Resume the recording.
    Which seems not possible with ffmpeg.
    Suspend ffmpeg process pause the video frame but file continues.

    So I need a directshow filter with h.264 nvenc support to use in my application.
    I need .ax or .dll directshow filter to test in graphedit.
    I couldn’t anything on the net.
    Could some expert help me to get a directshow filter or some clue ?

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