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Autres articles (57)

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    Le plugin emballe médias a été développé principalement pour la distribution mediaSPIP mais est également utilisé dans d’autres projets proches comme géodiversité par exemple. Plugins nécessaires et compatibles
    Pour fonctionner ce plugin nécessite que d’autres plugins soient installés : CFG Saisies SPIP Bonux Diogène swfupload jqueryui
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  • Creating farms of unique websites

    13 avril 2011, par

    MediaSPIP platforms can be installed as a farm, with a single "core" hosted on a dedicated server and used by multiple websites.
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  • Selection of projects using MediaSPIP

    2 mai 2011, par

    The examples below are representative elements of MediaSPIP specific uses for specific projects.
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Sur d’autres sites (11944)

  • ffprobe : how do I get the time zone of creation date ?

    29 août 2022, par Paolo Benvenuto

    I have a video made with a canon camera (actually a PowerShow G5Xm2), I want to extract the creation date metadata, and I found that I can see it with :

    


    $ ffprobe -i myfile.MP4 -show_entries stream_tags
[.....]
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'myfile.MP4':
  Metadata:
    major_brand     : mp42
    minor_version   : 1
    compatible_brands: mp42avc1CAEP
    make            : 
    make-eng        : 
    model           : 
    model-eng       : 
    creation_time   : 2022-08-28T15:25:09.000000Z
  Duration: 00:00:53.96, start: 0.000000, bitrate: 29939 kb/s
  Stream #0:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuvj420p(pc, bt709), 1920x1080, 29639 kb/s, 25 fps, 25 tbr, 25k tbn, 50k tbc (default)
    Metadata:
      creation_time   : 2022-08-28T15:25:09.000000Z
      vendor_id       : [0][0][0][0]
  Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 253 kb/s (default)
    Metadata:
      creation_time   : 2022-08-28T15:25:09.000000Z
      vendor_id       : [0][0][0][0]
[STREAM]
TAG:creation_time=2022-08-28T15:25:09.000000Z
TAG:language=eng
TAG:vendor_id=[0][0][0][0]
[/STREAM]
[STREAM]
TAG:creation_time=2022-08-28T15:25:09.000000Z
TAG:language=eng
TAG:vendor_id=[0][0][0][0]
[/STREAM]


    


    The creation date in in UTC, and it has the format "%Y-%m-%dT%H :%M :%S.%fZ". The camera has the info of the time zone, and actually it converted the local time to UTC time, so I suppose that the MP4 should hide somewhere the time zone info.

    


    How do I see it ?

    


  • How to extract all audio start and end time from a video file using ffmpeg

    29 avril 2020, par user3699262

    I need to know from a video file, how do I extract all audio timestamp meaning start time and end time of each dialog. Having tried with multiple ffmpeg or ffprobe commands but not getting the desire result.

    



    My desire result would be like,

    



    'text' : "Hello Robert ! How are you", 'start' : 0.15, 'end' : 1.00
'text' : "Hey, I'm fine. What's about you ?", 'start' : 1.35, 'end' : 2.05
.
.

    


  • Change the audio of the video based on start and end time

    4 avril 2022, par Vuqar Samed

    Lets say I have sample video named "samplevideo" and sample audio named "sampleaudio". I want to replace the audio of the samplevideo with the sampleaudio starting from 5 sec to 12 sec. Until 5 sec mark the video audio won't change, then sampleaudio starts and lasts for 7 sec.

    


    I tried to come up with ffmpeg command that solves this problem :

    


    ffmpeg -i samplevideo.mp4  -i sampleaudio.aac -ss 20 -map 0:v  -map 1:a -c:v copy output.mp4


    


    Problem :
    
It cuts video starting from 20 sec time mark. What I want is to persist the video and the original audio stream until it hits desired time mark and then use sampleaudio until desired end time.

    


    I would appreciate any help.

    


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