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Autres articles (105)

  • 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 (...)

  • 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 (...)

  • Soumettre bugs et patchs

    10 avril 2011

    Un logiciel n’est malheureusement jamais parfait...
    Si vous pensez avoir mis la main sur un bug, reportez le dans notre système de tickets en prenant bien soin de nous remonter certaines informations pertinentes : le type de navigateur et sa version exacte avec lequel vous avez l’anomalie ; une explication la plus précise possible du problème rencontré ; si possibles les étapes pour reproduire le problème ; un lien vers le site / la page en question ;
    Si vous pensez avoir résolu vous même le bug (...)

Sur d’autres sites (12961)

  • Passing raw RTMP video data to FFmpeg

    24 décembre 2019, par don_aman

    I am trying to implement a simple RTMP client in Node.js using TCP sockets and FFmpeg. Until now I have implemented the connection to a stream, after which the server starts sending video and audio data messages. According to Wireshark the first byte of such messages contains information related to the type of frame and data encoding (codecs), in my client app video data is in "Sorensen H.263" format.

    When I use ffplay to play the stream, it logs the video data is in FLV format, but when passing the packets payload data to ffmpeg using this format I always get this error :

    pipe:: Invalid data found when processing input

    What parameters should I provide to ffmpeg when piping RTMP video data to get proper video output in any desired format ?

  • Generate FFMPEG Waveform Data

    30 septembre 2015, par samchoi

    Given a video file (e.g. test.mkv), is it possible to output the data points used to create a waveform using ffmpeg (or any other tool) ?

    I’m looking to create a file that maps audio level to time, so that I can parse the data. Most of the examples I am finding, output an image.

    The closest I’ve gotten is generating raw binary data with :
    ffmpeg -i test.mkv -ac 1 -filter:a aresample=8000 -map 0:a -c:a pcm_s16le -f data -

  • Possible to copy PCR/PTS/DTS data between TS files ?

    19 avril 2024, par muraliv

    I've 2 h264/aac stream TS files (say a.ts and b.ts) that have same duration and packet numbers. However PCR/PTS/DTS data of their audio/video stream packets are different. How do I copy PCR/PTS/DTS data from a.ts to b.ts using ffmpeg or other tools without actually overwriting the audio and video frames data ? Ideally want to do this without re-encoding.

    


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