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    MediaSPIP 0.1 beta is the first version of MediaSPIP proclaimed as "usable".
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    MediaSPIP uses HTML5 video and audio tags to play multimedia files, taking advantage of the latest W3C innovations supported by modern browsers.
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Sur d’autres sites (10015)

  • hwcontext_vulkan : minimize queue allocation on NVIDIA

    3 juin, par Lynne
    hwcontext_vulkan : minimize queue allocation on NVIDIA

    On NVIDIA, there's a global maximum limit of approximately 112 queues,
    
which means it takes ONLY 7 total programs using the maximum amount of
    
queues to cause the driver to error out/*segfault* during initialization.
    

    Also, each queue takes about 30ms to allocate, which quickly adds up.
    

    This reduces the queues allocate to the minimum that we would be happy
    
with. Its not worth limiting decode/encode queues as they're generally
    
not a lot, and do help.
    • [DH] libavutil/hwcontext_vulkan.c

  • Issue with repairing 3GP video using untrunc - Error : bad track : 's263'

    2 juillet 2023, par sifirib

    I am trying to repair a corrupted 3GP video using the untrunc program, but I'm facing an issue due to an error.

    


    The command I ran :

    


    ./untrunc -v ~/Desktop/logic/Video0086.3gp ~/Desktop/logic/Video0035.3gp


    


    I am running Ubuntu 20.04 LTS and using the 'v308-d72ec32' version of the untrunc. The error message I encounter is as follows :

    


    Info: version 'v308-d72ec32' using ffmpeg '4.4.2-0ubuntu0.22.04.1'
Info: reading /home/hsrv/Desktop/logic/Video0086.3gp
Info: parsing healthy moov atom ... 
ftyp_ = 'mp42'
[amrnb @ 0x56075d7656c0] Multiple frames in a packet.
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/home/hsrv/Desktop/logic/Video0086.3gp':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: isommp42
    creation_time   : 2014-04-26T21:38:29.000000Z
    com.android.version: 12
  Duration: 00:02:22.80, start: 0.000000, bitrate: 154 kb/s
  Stream #0:0(eng): Video: h263 (s263 / 0x33363273), yuv420p, 176x144 [SAR 12:11 DAR 4:3], 140 kb/s, 10.74 fps, 11 tbr, 90k tbn, 29.97 tbc (default)
    Metadata:
      creation_time   : 2023-07-02T15:34:22.000000Z
      handler_name    : VideoHandle
      vendor_id       : [0][0][0][0]
  Stream #0:1(eng): Audio: amr_nb (samr / 0x726D6173), 8000 Hz, mono, flt, 12 kb/s (default)
    Metadata:
      creation_time   : 2023-07-02T15:34:22.000000Z
      handler_name    : SoundHandle
      vendor_id       : [0][0][0][0]
ss: s263 is_stable: 0
ss: using f=7 span
assuming constant duration of 640 for 'samr' (x1785)

Info: unknown track 's263' found -> fallback to dynamic stats
created dummy track 'free'
removed dummy track 'free'
first_failed: 0 of 101
simpleOrder: 0 
order ( 101): (0, 14) (0, 11) (0, 11) (0, 12) (0, 11) (0, 12) (0, 11) (0, 12) (0, 11) (0, 11) (0, 11) (0, 11) (0, 12) (0, 12) (0, 11) (0, 12) (0, 12) (0, 12) (0, 12) (0, 12) (0, 12) (0, 12) (0, 12) (0, 11) (0, 11) (0, 12) (0, 12) (0, 12) (0, 12) (0, 12) (0, 12) (0, 12) (0, 12) (0, 12) (0, 12) (0, 11) (0, 11) (0, 12) (0, 12) (0, 12) (0, 12) (0, 12) (0, 12) (0, 12) (0, 12) (0, 12) (0, 12) (0, 12) (0, 12) (0, 12) (0, 12) (0, 12) (0, 11) (0, 11) (0, 12) (0, 11) (0, 11) (0, 12) (0, 12) (0, 11) (0, 12) (0, 12) (0, 11) (0, 10) (0, 12) (0, 12) (0, 12) (0, 11) (0, 12) (0, 11) (0, 10) (0, 12) (0, 11) (0, 11) (0, 12) (0, 12) (0, 12) (0, 12) (0, 12) (0, 12) (0, 12) (0, 12) (0, 12) (0, 12) (0, 12) (0, 12) (0, 12) (0, 12) (0, 12) (0, 12) (0, 12) (0, 12) (0, 12) (0, 10) (0, 12) (0, 11) (0, 11) (0, 12) (0, 12) (0, 12) (0, 12) 
isTrackOrderEnough: 0  (sz=0)
genPatternPerm of: s263
0 s263 0.918296 3
1 samr 1 2
genPatternPerm of: samr
0 s263 4.8125 32
1 samr 0 1
has_zero_transitions_: 0
**Error: bad track: 's263'**


    


    This error message indicates that the untrunc program is having trouble with a track named 's263'. This track could be a track or codec within the video file.

    


    How can I resolve this error and successfully repair the corrupted 3GP video ? What steps should I follow or can you suggest an alternative approach ?

    


    Thank you in advance !

    


    I was expecting trunc tool to fix the corrupted/trunced video. But it gave me this error and no matter how much I searched for a solution, I couldn't find anything.

    


  • Installing FFMPEG on my EC2 instance takes too long ; what am I doing wrong ? [closed]

    24 août 2023, par Shaban Khawar

    I found a good article on how to download onto my EC2 instance : link
Here's the issue. It takes forever ! It takes around 15 minutes to install.

    


    I'm running my EC2 instance on Amazon Linux 2023, so no apt-get for me.
Also my EC2 instance is created by my EB environment, so if auto-scaling occurs, my instance will be terminated and a new one will be created. I can set .ebextensions to run all the commands to install FFMPEG again but as mentioned above, it takes forever ! That means for 15-20 minutes, my server is down because of one dependancy. I feel like I'm going about this the wrong way, so any advice is appreciated.

    


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