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Autres articles (31)

  • MediaSPIP 0.1 Beta version

    25 avril 2011, par

    MediaSPIP 0.1 beta is the first version of MediaSPIP proclaimed as "usable".
    The zip file provided here only contains the sources of MediaSPIP in its standalone version.
    To get a working installation, you must manually install all-software dependencies on the server.
    If you want to use this archive for an installation in "farm mode", you will also need to proceed to other manual (...)

  • Keeping control of your media in your hands

    13 avril 2011, par

    The 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 (...)

  • Selection of projects using MediaSPIP

    2 mai 2011, par

    The examples below are representative elements of MediaSPIP specific uses for specific projects.
    MediaSPIP farm @ Infini
    The non profit organizationInfini develops hospitality activities, internet access point, training, realizing innovative projects in the field of information and communication technologies and Communication, and hosting of websites. It plays a unique and prominent role in the Brest (France) area, at the national level, among the half-dozen such association. Its members (...)

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  • FFmpeg file size while recording multiple windows at same time

    29 août 2021, par RuanS

    I'm currently recording 3 windows at once, and placing them next to each other, windows dimensions are : 400x500, 830x500, 830x500, using -c:v h264_nvenc to reduce the use of CPU.

    


    The first and second windows have very low frames change, the third window does change frames frequently.

    


    ffmpeg -f gdigrab -framerate 30 -i title="" -f gdigrab -framerate 30 -i title="" -f gdigrab -framerate 30 -i title="" -c:v h264_nvenc -qp 0 -c:a copy -vsync vfr -filter_complex hstack=inputs=3 output.mp4


    


    Doesn't need to be great quality, 'normal/medium' quality is enough, also, I'm recording only video, no audio.

    


    After 3min the file size was over 340MB, would like to ask if there are any better options in which I could be used to reduce the file size also CPU use (if possible).

    


  • Use Windows ffmpeg to record audio output without using the StereoMix

    5 janvier 2019, par DevtelSoftware

    I am looking for a way to record the audio output (speakers) using Windows ffmpeg.
    I need to do this WITHOUT installing any extra dshow filters and without having the StereoMix input enabled (since this is not available on many computers).

    I have read in the ffmpeg documentation that the -map would allow redirecting an audio output so that ffmpeg sees it as an audio input but I can’t find any example of how to do that.

    In Linux I managed to do it like this :

    ffmpeg -f pulse -ac 2 -ar 44100 -i alsa_output.pci-0000_00_1f.4.analog-stereo.monitor -f pulse -ac 2 -ar 44100 -i alsa_input.pci-0000_00_1f.4.analog-stereo -filter_complex amix=inputs=2 test.mp4

    However I can’t find a similar way to do it in Windows and MacOSX.

    So in short, is it possible with the Windows ffmpeg to record audio from the speakers without extra dshow filters (out-of-the-box) ? Same question goes for MacOSX.

    Thanks !

  • Use Windows ffmpeg to record audio output without using the StereoMix

    2 septembre 2016, par DevtelSoftware

    I am looking for a way to record the audio output (speakers) using Windows ffmpeg.
    I need to do this WITHOUT installing any extra dshow filters and without having the StereoMix input enabled (since this is not available on many computers).

    I have read in the ffmpeg documentation that the -map would allow redirecting an audio output so that ffmpeg sees it as an audio input but I can’t find any example of how to do that.

    In Linux I managed to do it like this :

    ffmpeg -f pulse -ac 2 -ar 44100 -i alsa_output.pci-0000_00_1f.4.analog-stereo.monitor -f pulse -ac 2 -ar 44100 -i alsa_input.pci-0000_00_1f.4.analog-stereo -filter_complex amix=inputs=2 test.mp4

    However I can’t find a similar way to do it in Windows and MacOSX.

    So in short, is it possible with the Windows ffmpeg to record audio from the speakers without extra dshow filters (out-of-the-box) ? Same question goes for MacOSX.

    Thanks !

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