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Autres articles (92)

  • Les formats acceptés

    28 janvier 2010, par

    Les commandes suivantes permettent d’avoir des informations sur les formats et codecs gérés par l’installation local de ffmpeg :
    ffmpeg -codecs ffmpeg -formats
    Les format videos acceptés en entrée
    Cette liste est non exhaustive, elle met en exergue les principaux formats utilisés : h264 : H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 m4v : raw MPEG-4 video format flv : Flash Video (FLV) / Sorenson Spark / Sorenson H.263 Theora wmv :
    Les formats vidéos de sortie possibles
    Dans un premier temps on (...)

  • Contribute to translation

    13 avril 2011

    You can help us to improve the language used in the software interface to make MediaSPIP more accessible and user-friendly. You can also translate the interface into any language that allows it to spread to new linguistic communities.
    To do this, we use the translation interface of SPIP where the all the language modules of MediaSPIP are available. Just subscribe to the mailing list and request further informantion on translation.
    MediaSPIP is currently available in French and English (...)

  • 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 (...)

Sur d’autres sites (7059)

  • FFMpeg concat streams

    9 juillet 2017, par chourizo

    I am trying to receive two H264 UDP streams from two cameras, and save them to one file (so they are always synchronized). I tried a lot of things, but it always says that there is no video on the second stream (although I can watch it).

    ffmpeg -probesize 20M -analyzeduration 20M -i udp://@127.0.0.1:1234 -probesize 20M -analyzeduration 20M -i udp://@127.0.0.1:1235 -filter_complex "[0:v]fps=15,scale=320:240,setsar=1/1,setpts=PTS-STARTPTS[v0]; [1:v]fps=15,scale=320:240,setsar=1/1,setpts=PTS-STARTPTS[v1]; [v0][v1]concat=n=2:v=1:a=0 [v0] [v1]" -map "[v0]" -map "[v1]" -threads 0 -y kk.ts

    Is it possible to apply the concat to real time streams, so we have a video with two programs as a result ?

  • How to parse ffmpeg errors programatically (C++)

    16 juillet 2021, par Greg H

    I am just wondering if there is a way to receive status and error information from ffmpeg for an active stream, in C++. I'd like to be able to monitor what's going on with an encoded or decoded stream and react accordingly to errors that might be seen. Something with status/error codes would be great, but if there are certain keywords that could be keyed on to make dynamic decisions that would be ok too.

    


    A use case for me is on the ffmpeg decoder end of a stream, I sometimes see that the decoder seems to get confused if the encoding end changes its output settings in real time. Certain changes don't seen to be seen properly by the decoder and the output can become unviewable. On the decoder, maybe there would be some errors that could be processed in C++ to indicate that I should reset the decoder.

    


    I saw a repo in GitHub that had to do with error processing but not sure how robust that is. Any recommendations ?

    


    Thanks

    


  • How to decode and play MPEG-TS stream on Android (188 byte TS packet)

    4 avril 2022, par Gouzhong1223

    I am making an application similar to DVB broadcast TV player based on Android. The data I can receive is a series of MPEG-TS packets, each packet may be 188 bytes or 204 bytes. This is not HLS and does not carry There are m3u8 files. May I ask how can I decode these MPEG-TS input streams on Android and play them ?

    


    The received data packet is a data packet that conforms to the MPEG-TS encapsulation standard, similar to this
enter image description here

    


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