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  • Submit bugs and patches

    13 avril 2011

    Unfortunately a software is never perfect.
    If you think you have found a bug, report it using our ticket system. Please to help us to fix it by providing the following information : the browser you are using, including the exact version as precise an explanation as possible of the problem if possible, the steps taken resulting in the problem a link to the site / page in question
    If you think you have solved the bug, fill in a ticket and attach to it a corrective patch.
    You may also (...)

  • Publier sur MédiaSpip

    13 juin 2013

    Puis-je poster des contenus à partir d’une tablette Ipad ?
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  • 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.
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Sur d’autres sites (14321)

  • How to convert mpd file to mp4 ? [on hold]

    18 avril 2017, par Aminie

    I have a MPD file, and i want to convert it to a MP4 file using node.js so it could be saved into an object storage.
    Is there a simple way of doing so ?
    I used mpeg-dash player to play the video, but couldn’t find a way of saving the file through my code.

  • dashenc : add option to provide UTC timing source

    29 janvier 2017, par Peter Große
    dashenc : add option to provide UTC timing source

    If set, adds a UTCTiming tag in the manifest.
    

    This is part of the recommendations listed in the "Guidelines for
    
Implementations : DASH-IF Interoperability Points" [1][2]
    
Section 4.7 describes means for the Availability Time Synchronization.
    

    A usable default is "https://time.akamai.com/?iso" ;
    

    [1] http://dashif.org/guidelines/
    
[2] http://dashif.org/wp-content/uploads/2016/12/DASH-IF-IOP-v4.0-clean.pdf
    
    (current version as of writing)
    

    Signed-off-by : Peter Große <pegro@friiks.de>
    
Signed-off-by : Martin Storsjö <martin@martin.st>
    • [DBH] libavformat/dashenc.c

  • ffmpeg audio video synchronisation mux

    19 juillet 2013, par Rahul Kumar

    I am trying to mux audio and video but the resultant is not what expected. The video is not shown in the output.

    rahul@hp : $ ffmpeg -i /Desktop/a.m4a -i /Desktop/a.mp4 -acodec copy -vcodec copy /Desktop/output.mkv
ffmpeg version 0.8.6-4:0.8.6-0ubuntu0.12.04.1, Copyright (c) 2000-2013 the Libav developers
  built on Apr  2 2013 17:00:59 with gcc 4.6.3
*** THIS PROGRAM IS DEPRECATED ***
This program is only provided for compatibility and will be removed in a future release. Please use avconv instead.
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/home/rahul/Desktop/a.m4a' :
  Metadata :
    major_brand : dash
    minor_version : 0
    compatible_brands : iso6mp41
    creation_time : 2013-05-17 06:34:22
  Duration : 00:16:41.01, start : 500.506122, bitrate : 127 kb/s
    Stream #0.0(und) : Audio : aac, 44100 Hz, stereo, s16
    Metadata :
      creation_time : 2013-05-17 06:34:22

    Seems stream 0 codec frame rate differs from container frame rate : 47.95 (48000/1001) -> 23.97 (45000/1877)
    
Input #1, mov,mp4,m4a,3gp,3g2,mj2, from '/home/rahul/Desktop/a.mp4' :
    
  Metadata :
    
    major_brand : dash
    
    minor_version : 0
    
    compatible_brands : iso6avc1mp41
    
    creation_time : 2013-05-17 06:34:22
    
  Duration : 00:16:40.61, start : 500.316311, bitrate : 675 kb/s
    
    Stream #1.0(und) : Video : h264 (Main), yuv420p, 1280x720, 23.97 tbr, 90k tbn, 47.95 tbc
    
    Metadata :
    
      creation_time : 2013-05-17 06:34:22
    
Output #0, matroska, to '/home/rahul/Desktop/output.mkv' :
    
  Metadata :
    
    major_brand : dash
    
    minor_version : 0
    
    compatible_brands : iso6mp41
    
    creation_time : 2013-05-17 06:34:22
    
    encoder : Lavf53.21.1
    
    Stream #0.0(und) : Video : avc1 / 0x31637661, yuv420p, 1280x720, q=2-31, 1k tbn, 23.98 tbc
    
    Metadata :
    
      creation_time : 2013-05-17 06:34:22
    
    Stream #0.1(und) : Audio : aac, 44100 Hz, stereo
    
    Metadata :
    
      creation_time : 2013-05-17 06:34:22
    
Stream mapping :
    
  Stream #1.0 -> #0.0
    
  Stream #0.0 -> #0.1
    
Press ctrl-c to stop encoding
    
frame=    0 fps=  0 q=-1.0 Lsize=   15643kB time=500.51 bitrate= 256.0kbits/s    
    
video:0kB audio:15493kB global headers:0kB muxing overhead 0.967810%
    
rahul@hp : $

    i tried using

    -map 0:v:0
    -map 1:v:0
    -map 0:v:1

    but all showed

    Number of stream maps must match number of output streams

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