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Autres articles (95)

  • 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 (...)

  • Multilang : améliorer l’interface pour les blocs multilingues

    18 février 2011, par

    Multilang est un plugin supplémentaire qui n’est pas activé par défaut lors de l’initialisation de MediaSPIP.
    Après son activation, une préconfiguration est mise en place automatiquement par MediaSPIP init permettant à la nouvelle fonctionnalité d’être automatiquement opérationnelle. Il n’est donc pas obligatoire de passer par une étape de configuration pour cela.

  • HTML5 audio and video support

    13 avril 2011, par

    MediaSPIP uses HTML5 video and audio tags to play multimedia files, taking advantage of the latest W3C innovations supported by modern browsers.
    The MediaSPIP player used has been created specifically for MediaSPIP and can be easily adapted to fit in with a specific theme.
    For older browsers the Flowplayer flash fallback is used.
    MediaSPIP allows for media playback on major mobile platforms with the above (...)

Sur d’autres sites (7974)

  • Python code to convert ffmpeg time duration value to seconds

    13 mars 2021, par dgasaway

    I am seeking python 3.x code that can take a user-provided value in ffmpeg's time duration format and provide a float for the number of seconds represented by that duration. It would parse both formats described in the documentation and handle the s/ms/us prefix for the second format. The only thing I would not need is the optional negative. I mostly need this so I can provide the correct 'start_time' (seconds) for the fade and afade filters.

    


    Please note, I am not asking how to get the duration of an input file. These are string values provided by the user.

    


  • In ffmpeg, can I specify time in frames rather than seconds ?

    7 janvier 2016, par d3vid

    I am programatically extracting multiple audio clips from single video files using ffmpeg.

    My input data (start and end points) are specified in frames rather than seconds, and the audio clip will be used by a frame-centric user (an animator). So, I’d prefer to work in frames throughout.

    In addition, the framerate is 30fps, which means I’d be working in steps of 0.033333 seconds, and I’m not sure it’s reasonable to expect ffmpeg to trim correctly given such values.

    Is it possible to specify a frame number instead of an ffmpeg time duration for start point (-ss) and duration (-t) ? Or are there frame-centric ffmpeg commands that I’ve missed ?

  • pydub - setting the start time of an audio file ? [closed]

    3 février, par tamirg

    I have an audio file, which I create using pydub, and when I use ffmpeg to play I notice it has a start time defined :

    


    Input #0, mpeg, from 'audio_117.ts':
Duration: 00:00:09.91, start: 0.500000, bitrate: 66 kb/s


    


    I am trying to play the same audio file but with different formats. And I notice the start time is different with each format. :

    


    mp3 :

    


    Input #0, mp3, from 'audio_117.mp3':
  Metadata:
    encoder         : Lavf61.7.100
  Duration: 00:00:10.03, start: 0.023021, bitrate: 64 kb/s


    


    ogg :

    


    Input #0, ogg, from 'audio_117.ogg':
  Duration: 00:00:10.00, start: 0.000000, bitrate: 63 kb/s


    


    Do I have any control over this attribute ? What does it mean exactly ?
I just notice that if I create an HLS playlist from such file, it skips the beginning, and I wonder if it is related to the start time attribute.

    


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