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Autres articles (49)

  • List of compatible distributions

    26 avril 2011, par

    The table below is the list of Linux distributions compatible with the automated installation script of MediaSPIP. Distribution nameVersion nameVersion number Debian Squeeze 6.x.x Debian Weezy 7.x.x Debian Jessie 8.x.x Ubuntu The Precise Pangolin 12.04 LTS Ubuntu The Trusty Tahr 14.04
    If you want to help us improve this list, you can provide us access to a machine whose distribution is not mentioned above or send the necessary fixes to add (...)

  • MediaSPIP v0.2

    21 juin 2013, par

    MediaSPIP 0.2 est la première version de MediaSPIP stable.
    Sa date de sortie officielle est le 21 juin 2013 et est annoncée ici.
    Le fichier zip ici présent contient uniquement les sources de MediaSPIP en version standalone.
    Comme pour la version précédente, il est nécessaire d’installer manuellement l’ensemble des dépendances logicielles sur le serveur.
    Si vous souhaitez utiliser cette archive pour une installation en mode ferme, il vous faudra également procéder à d’autres modifications (...)

  • Mise à disposition des fichiers

    14 avril 2011, par

    Par défaut, lors de son initialisation, MediaSPIP ne permet pas aux visiteurs de télécharger les fichiers qu’ils soient originaux ou le résultat de leur transformation ou encodage. Il permet uniquement de les visualiser.
    Cependant, il est possible et facile d’autoriser les visiteurs à avoir accès à ces documents et ce sous différentes formes.
    Tout cela se passe dans la page de configuration du squelette. Il vous faut aller dans l’espace d’administration du canal, et choisir dans la navigation (...)

Sur d’autres sites (5509)

  • Webcam streaming from Mac using FFmpeg

    22 juillet 2016, par Galaxy

    I want to stream my webcam from Mac using FFmpeg.

    First I checked the supported devices using ffmpeg -f avfoundation -list_devices true -i ""

    Output :

    [AVFoundation input device @ 0x7fdf1bd03000] AVFoundation video devices:
    
[AVFoundation input device @ 0x7fdf1bd03000] [0] USB 2.0 Camera #2
    
[AVFoundation input device @ 0x7fdf1bd03000] [1] FaceTime HD Camera
    
[AVFoundation input device @ 0x7fdf1bd03000] [2] Capture screen 0
    
[AVFoundation input device @ 0x7fdf1bd03000] [3] Capture screen 1
    
[AVFoundation input device @ 0x7fdf1bd03000] AVFoundation audio devices:
    
[AVFoundation input device @ 0x7fdf1bd03000] [0] Built-in Microphone

    The device[0] is the webcam I want to use.

    Then I tried to capture the webcam using ffmpeg -f avfoundation -i "0" out.mpg

    Output :

    [avfoundation @ 0x7fe7f3810600] Selected framerate (29.970030) is not supported by the device
    
[avfoundation @ 0x7fe7f3810600] Supported modes:
    
[avfoundation @ 0x7fe7f3810600]   320x240@[120.101366 120.101366]fps
    
[avfoundation @ 0x7fe7f3810600]   640x480@[120.101366 120.101366]fps
    
[avfoundation @ 0x7fe7f3810600]   800x600@[60.000240 60.000240]fps
    
[avfoundation @ 0x7fe7f3810600]   1024x768@[30.000030 30.000030]fps
    
[avfoundation @ 0x7fe7f3810600]   1280x720@[60.000240 60.000240]fps
    
[avfoundation @ 0x7fe7f3810600]   1280x1024@[30.000030 30.000030]fps
    
[avfoundation @ 0x7fe7f3810600]   1920x1080@[30.000030 30.000030]fps
    
[avfoundation @ 0x7fe7f3810600]   320x240@[30.000030 30.000030]fps
    
[avfoundation @ 0x7fe7f3810600]   640x480@[30.000030 30.000030]fps
    
[avfoundation @ 0x7fe7f3810600]   800x600@[20.000000 20.000000]fps
    
[avfoundation @ 0x7fe7f3810600]   1024x768@[6.000002 6.000002]fps
    
0: Input/output error

    After that, I tried stream this webcam from my Mac using ffmpeg -f avfoundation -framerate 30 -i "0" -f mpeg1video -b 200k -r 30 -vf scale=1920:1080 http://127.0.0.1:8082/

    Output :

    [avfoundation @ 0x7f8515012800] An error occurred: The activeVideoMinFrameDuration passed is not supported by the device.  Use -activeFormat.videoSupportedFrameRateRanges to discover valid ranges.0: Input/output error

    I cannot capture or stream this webcam. However when I used the Facetime camera instead of this webcam, everything was OK. I’ve been searching for this problem for a few days, but still cannot fix it. Does anyone have experience with webcam and FFmpeg on Mac ?

  • Webcam with FFmpeg on Mac : Selected framerate (29.970030) is not supported by the device

    24 juillet 2016, par Galaxy

    There was a very strange problem on Mac when I tried to access the webcam using FFmpeg.
    For example :

    ffmpeg -f avfoundation -i "1" -framerate 60 -vcodec libx264 -preset veryfast -f flv rtmp://localhost:1935/hls/test

    No matter what framerate I set, the error was always the same.

    [avfoundation @ 0x7ff831800000] Selected framerate (29.970030) is not supported by the device
    
[avfoundation @ 0x7ff831800000] Supported modes:
    
[avfoundation @ 0x7ff831800000]   320x240@[120.101366 120.101366]fps
    
[avfoundation @ 0x7ff831800000]   640x480@[120.101366 120.101366]fps
    
[avfoundation @ 0x7ff831800000]   800x600@[60.000240 60.000240]fps
    
[avfoundation @ 0x7ff831800000]   1024x768@[30.000030 30.000030]fps
    
[avfoundation @ 0x7ff831800000]   1280x720@[60.000240 60.000240]fps
    
[avfoundation @ 0x7ff831800000]   1280x1024@[30.000030 30.000030]fps
    
[avfoundation @ 0x7ff831800000]   1920x1080@[30.000030 30.000030]fps
    
[avfoundation @ 0x7ff831800000]   320x240@[30.000030 30.000030]fps
    
[avfoundation @ 0x7ff831800000]   640x480@[30.000030 30.000030]fps
    
[avfoundation @ 0x7ff831800000]   800x600@[20.000000 20.000000]fps
    
[avfoundation @ 0x7ff831800000]   1024x768@[6.000002 6.000002]fps
    
1: Input/output error

    I’ve searched for this problem for many days but still can’t find any solution. I’m very confused now.

    I hope someone using Mac could try the similar command to access the webcam in order to see if this is a common problem.

  • using ffmpeg to record highest resolution offered by Facetime cameras (mac)

    7 mai 2017, par user1361529

    I am using the following code successfully to record a video feed from my mac

    ./ffmpeg -f avfoundation -framerate 30  -i "default" out.mp4

    This however seems to be recording video at the lowest resolution of 320x200

    My camera supports the following resolutions :

    [avfoundation @ 0x7ff7b2800000] Supported modes:
    
[avfoundation @ 0x7ff7b2800000]   1280x720@[1.000000 30.000000]fps
    
[avfoundation @ 0x7ff7b2800000]   640x480@[1.000000 30.000000]fps
    
[avfoundation @ 0x7ff7b2800000]   320x240@[1.000000 30.000000]fps

    I tried manually specifying the resolution using both -s and -video_size but that seems to just scale up the low res video.

    How do I get ffmpeg to pick my 1280x720 resolution ?

    thanks

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