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Autres articles (29)

  • La file d’attente de SPIPmotion

    28 novembre 2010, par

    Une file d’attente stockée dans la base de donnée
    Lors de son installation, SPIPmotion crée une nouvelle table dans la base de donnée intitulée spip_spipmotion_attentes.
    Cette nouvelle table est constituée des champs suivants : id_spipmotion_attente, l’identifiant numérique unique de la tâche à traiter ; id_document, l’identifiant numérique du document original à encoder ; id_objet l’identifiant unique de l’objet auquel le document encodé devra être attaché automatiquement ; objet, le type d’objet auquel (...)

  • Publier sur MédiaSpip

    13 juin 2013

    Puis-je poster des contenus à partir d’une tablette Ipad ?
    Oui, si votre Médiaspip installé est à la version 0.2 ou supérieure. Contacter au besoin l’administrateur de votre MédiaSpip pour le savoir

  • Contribute to documentation

    13 avril 2011

    Documentation is vital to the development of improved technical capabilities.
    MediaSPIP welcomes documentation by users as well as developers - including : critique of existing features and functions articles contributed by developers, administrators, content producers and editors screenshots to illustrate the above translations of existing documentation into other languages
    To contribute, register to the project users’ mailing (...)

Sur d’autres sites (5575)

  • How to fix "audio=virtual-audio-capturer : I/O error" ?

    24 mai 2021, par LiYiChong

    I'm using this command "ffmpeg -f dshow -i audio="virtual-audio-capturer" 1.mp3".
But in this case, occurs error as follow
"audio=virtual-audio-capturer : I/O error".
So, I checked if there is virtual-audio-capturer" using this command "ffmpeg -list_devices true -f dshow -i dummy".
As a result, there was "virtual-audio-capturer".
why does it occurs this error and what is the solution ?

    


  • FFMPEG Streaming Output Dropping On Virtual Server

    11 octobre 2017, par David Childers

    I am currently using FFMPEG to stream on a virtual CENTOS server. I use the following script to stream to youtube live.

    ffmpeg -re -i program.01.mp4 -flags +global_header -acodec libmp3lame -ac 1 -ar 44100 -ab 192k -s 1280x720 -vcodec libx264 -pix_fmt yuv420p -g 60 -vb 1700k -profile:v baseline -preset:v faster -r 30 -f flv "rtmp://a.rtmp.youtube.com/live2/xxxxx"

    I previously used the very same FFMPEG stream script to stream on a dedicated CENTOS server for over a year, with no technial issues.

    I tried to use the very same FFMPEG script on the virtualized server. When I use 1700k encoding speed - I get the following error in the output :

    [flv @ 0x56da380] Failed to update header with correct duration.
    [flv @ 0x56da380] Failed to update header with correct filesize.

    The youtube ingestor also complains that the input stream (coming from the CENTOS server) is slow and that the stream will buffer.

    I have checked the available output bandwidth that virtual CENTOS server has access to.

    • Download : 57.12 Mbit/s
    • Upload : 96.57 Mbit/s

    I am forced to use a much lower video encoding speed and output size

    ffmpeg -re -i program.01.mp4 -f-flags +global_header -acodec libmp3lame -ac 1 -ar 44100 -ab 128k -s 640x360 -vcodec libx264 -pix_fmt yuv420p -g 60 -vb 425k -profile:v baseline -preset:v faster -r 30 -f flv "rtmp://a.rtmp.youtube.com/live2/xxxxx"

    I am at a loss to understand what the problem could be since I have access to more than enough required bandwidth.

  • How do I send buffer to a virtual camera driver ?

    15 juin 2022, par rvega01

    I'm currently working on a project in a Windows environment where I have a Node.js application that accepts an RTSP video stream from a button click and I would like to stream the video data to a virtual camera driver and have it displayed within Microsoft Teams and Skype. The driver that I'm using and have installed (https://github.com/robot9706/VirtualCameraDriver) mentions that the filter implemented in the driver contains a property with a GUID that I can send buffer to.

    


    I was wondering if anyone know of a javascript/node.js library, ffmpeg/gstreamer command, or any solution that comes to mind that can allow me to send video data to that GUID. I have tried outputting the RTSP stream to a videosink with g-streamer but I was unable to specify the display name for the output to be directed to.

    


    With ffmpeg, I was able to find the driver info with DShow but I can only implement the driver as an video input and I'm unable to select the driver as an output through DShow. If there is an gstreamer/ffmpeg solution, please let me know as I'm inexperienced with video streaming and I have looked through many threads here but I'm unable to find an answer.

    


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