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Autres articles (74)

  • Gestion générale des documents

    13 mai 2011, par

    MédiaSPIP ne modifie jamais le document original mis en ligne.
    Pour chaque document mis en ligne il effectue deux opérations successives : la création d’une version supplémentaire qui peut être facilement consultée en ligne tout en laissant l’original téléchargeable dans le cas où le document original ne peut être lu dans un navigateur Internet ; la récupération des métadonnées du document original pour illustrer textuellement le fichier ;
    Les tableaux ci-dessous expliquent ce que peut faire MédiaSPIP (...)

  • Keeping control of your media in your hands

    13 avril 2011, par

    The vocabulary used on this site and around MediaSPIP in general, aims to avoid reference to Web 2.0 and the companies that profit from media-sharing.
    While using MediaSPIP, you are invited to avoid using words like "Brand", "Cloud" and "Market".
    MediaSPIP is designed to facilitate the sharing of creative media online, while allowing authors to retain complete control of their work.
    MediaSPIP aims to be accessible to as many people as possible and development is based on expanding the (...)

  • Les tâches Cron régulières de la ferme

    1er décembre 2010, par

    La gestion de la ferme passe par l’exécution à intervalle régulier de plusieurs tâches répétitives dites Cron.
    Le super Cron (gestion_mutu_super_cron)
    Cette tâche, planifiée chaque minute, a pour simple effet d’appeler le Cron de l’ensemble des instances de la mutualisation régulièrement. Couplée avec un Cron système sur le site central de la mutualisation, cela permet de simplement générer des visites régulières sur les différents sites et éviter que les tâches des sites peu visités soient trop (...)

Sur d’autres sites (4596)

  • FFMPEG Failure - Extracting frames on large file

    25 avril 2018, par Marian Montagnino

    Calling the ffmpeg command :

    ffmpeg -y -ss "00:00:02" -i 5ccaea226acfc1b4b75ccd1a9f09512c.mxf -frames 30 -f image2 -vf "fps=1/1.25,scale='min(420,iw)':-1" video%04d.jpg

    Causes a failure :

    ffmpeg failed: ffmpeg version N-85692-g78a5fc4 Copyright (c) 2000-2017 the FFmpeg developers
    
built with gcc 4.8.5 (GCC) 20150623 (Red Hat 4.8.5-11)
    
configuration: --prefix=/tmp/gm-ffmpeg-1.0.4/BUILD/ffmpeg_build --pkg-config-flags=--static --extra-cflags=-I/tmp/gm-ffmpeg-1.0.4/BUILD/ffmpeg_build/include --extra-ldflags=-L/tmp/gm-ffmpeg-1.0.4/BUILD/ffmpeg_build/lib --bindir=/tmp/gm-ffmpeg-1.0.4/BUILDROOT/gm-ffmpeg-1.0.4-1.el7.centos.x86_64/opt/graymeta/bin --enable-gpl --enable-libass --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopus --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --enable-nonfree
    
libavutil 55. 61.100 / 55. 61.100
    
libavcodec 57. 93.100 / 57. 93.100
    
libavformat 57. 72.101 / 57. 72.101
    
libavdevice 57. 7.100 / 57. 7.100
    
libavfilter 6. 87.100 / 6. 87.100
    
libswscale 4. 7.101 / 4. 7.101
    
libswresample 2. 8.100 / 2. 8.100
    
libpostproc 54. 6.100 / 54. 6.100
    
[mxf @ 0x2c6da60] broken or empty index
    
Input #0, mxf, from '/alloc/5ccaea226acfc1b4b75ccd1a9f09512c.mxf':
    
Metadata:
    
uid : 27b07007-2dc8-4305-a78a-81a612d78b94
    
generation_uid : ef5ae870-4075-4513-ea1f-39c0ed197267
    
company_name : Colorfront
    
product_name : Transkoder
    
product_uid : 3a4fe380-0d01-11e4-869f-3cd92b5c1dfc
    
product_version : 2.7.3.20150121
    
application_platform: Microsoft Windows 7 Professional Service Pack 1 (Build 7601)
    
modification_date: 2016-09-09T11:29:39.000000Z
    
material_package_umid: 0x060A2B340101010501010F20130000008991E1DCEA584837149E72E7F9F0E09D
    
timecode : 00:00:17;12
    
Duration: 00:11:58.92, start: 0.000000, bitrate: 150802 kb/s
    
Stream #0:0: Video: jpeg2000, yuv422p10le(progressive), 3840x2160, SAR 1:1 DAR 16:9, 59.94 fps, 59.94 tbr, 59.94 tbn, 59.94 tbc
    
Metadata:
    
file_package_umid: 0x060A2B340101010501010F2013000000F8B3B48BE8044408DDD6303A6D43F566
    
track_name : Picture
    
Stream mapping:
    
Stream #0:0 -> #0:0 (jpeg2000 (native) -> mjpeg (native))
    
Press [q] to stop, [?] for help
    
: signal: killed

    I’m not sure how to interpret this error message and why it actually failed. This file is about 90GB large and shot in 4K resolution but 11 seconds long.

  • hey i need to download my coaching classes but they are using hls aes 128 bit encrypted streams. i downloaded m3u8 and all .ts files and found enc key

    19 mars 2023, par tinu one

    I downloaded all the .ts files using a python script but it is encrypted with aes 128.i found a encryption key (supposedly) under the network tab in developer options. I ran it through ffmpeg but got an error( invalid data found while processing ). I need these classes because they are going to remove it in may 2023. i am a noob to this and may have done step wrong. Please forgive me. I would deeply appreciate anyone who will help me find a solution to this problem. Thankyou.

    


    I downloaded all the .ts files and m3u8 file and put it inside a folder. I hosted the key file in localhost that I found under the preview tab of the network tab in developer options( it was named key/ after all and had characters which was not human readable. it also had the request URL similar to that inside the m3u8 file)because ffmpeg did not want to read the key file from my local pc. I edited the m3u8 file to access the key stored in local host and it read successfully. but it shows error( invalid data found while processing).

    


    encryption key from preview tab I found : Ø®¢Ù¦Aä [u
request url of the key : https://classes.brilliantpala.org/api/v2.5/video_contents/42475/key/

    


    unedited m3u8 file :

    


    #EXTM3U
#EXT-X-VERSION:3
#EXT-X-TARGETDURATION:19
#EXT-X-MEDIA-SEQUENCE:0
#EXT-X-KEY:METHOD=AES-128,URI="https://classes.brilliantpala.org/api/v2.4/encryption_key/40cd559c70c241699cfcda9072c4fb42/",IV=0x00000000000000000000000000000000
#EXTINF:11.680000,
video_0.ts
#EXTINF:10.000000,
video_1.ts
#EXTINF:10.000000,
etc etc..


    


    fetch("https://classes.brilliantpala.org/api/v2.5/video_contents/42475/key/", {
  "headers": {
    "accept": "*/*",
    "accept-language": "en-US,en;q=0.9",
    "sec-ch-ua": "\"Microsoft Edge\";v=\"111\", \"Not(A:Brand\";v=\"8\", \"Chromium\";v=\"111\"",
    "sec-ch-ua-mobile": "?0",
    "sec-ch-ua-platform": "\"Windows\"",
    "sec-fetch-dest": "empty",
    "sec-fetch-mode": "cors",
    "sec-fetch-site": "same-origin",
    "x-key": "5e5d8c5d0486a678ccd4935ecb9fa8a01b1db7327396184ab00b50573119e947"
  },
  "referrer": "https://classes.brilliantpala.org/courses/535/contents/42475/",
  "referrerPolicy": "strict-origin-when-cross-origin",
  "body": null,
  "method": "GET",
  "mode": "cors",
  "credentials": "include"
});```




    


  • FFMPEG compiled binaries don't run on XP using MinGW

    10 juin 2015, par Paul Knopf

    I am trying to build windows executables/dlls for Windows XP, and they are not working. They are the correct architecture. They run fine on my Windows 8 device machine.

    I used dependency walker to find missing DLLs, and all were present.

    Here are the compiled executables I am trying to run.

    I ran the windows build script for ffmpeg.

    Here is a dumpbin /headers ffmpeg.exe

    Microsoft (R) COFF/PE Dumper Version 10.00.30319.01
    
Copyright (C) Microsoft Corporation.  All rights reserved.
    

    

    
Dump of file ffmpeg.exe
    

    
PE signature found
    

    
File Type: EXECUTABLE IMAGE
    

    
FILE HEADER VALUES
    
             14C machine (x86)
    
               7 number of sections
    
           51A40 time date stamp Sun Jan 04 15:53:20 1970
    
               0 file pointer to symbol table
    
               0 number of symbols
    
              E0 size of optional header
    
             32F characteristics
    
                   Relocations stripped
    
                   Executable
    
                   Line numbers stripped
    
                   Symbols stripped
    
                   Application can handle large (>2GB) addresses
    
                   32 bit word machine
    
                   Debug information stripped
    

    
OPTIONAL HEADER VALUES
    
             10B magic # (PE32)
    
            2.25 linker version
    
           41400 size of code
    
           4FA00 size of initialized data
    
            1200 size of uninitialized data
    
            14E0 entry point (004014E0)
    
            1000 base of code
    
           43000 base of data
    
          400000 image base (00400000 to 00456FFF)
    
            1000 section alignment
    
             200 file alignment
    
            4.00 operating system version
    
            1.00 image version
    
            4.00 subsystem version
    
               0 Win32 version
    
           57000 size of image
    
             400 size of headers
    
           597A9 checksum
    
               3 subsystem (Windows CUI)
    
             140 DLL characteristics
    
                   Dynamic base
    
                   NX compatible
    
          200000 size of stack reserve
    
            1000 size of stack commit
    
          100000 size of heap reserve
    
            1000 size of heap commit
    
               0 loader flags
    
              10 number of directories
    
               0 [       0] RVA [size] of Export Directory
    
           51000 [    36F0] RVA [size] of Import Directory
    
               0 [       0] RVA [size] of Resource Directory
    
               0 [       0] RVA [size] of Exception Directory
    
               0 [       0] RVA [size] of Certificates Directory
    
               0 [       0] RVA [size] of Base Relocation Directory
    
               0 [       0] RVA [size] of Debug Directory
    
               0 [       0] RVA [size] of Architecture Directory
    
               0 [       0] RVA [size] of Global Pointer Directory
    
           56004 [      18] RVA [size] of Thread Storage Directory
    
               0 [       0] RVA [size] of Load Configuration Directory
    
               0 [       0] RVA [size] of Bound Import Directory
    
           517F0 [     6C4] RVA [size] of Import Address Table Directory
    
               0 [       0] RVA [size] of Delay Import Directory
    
               0 [       0] RVA [size] of COM Descriptor Directory
    
               0 [       0] RVA [size] of Reserved Directory
    

    

    
SECTION HEADER #1
    
   .text name
    
   412BC virtual size
    
    1000 virtual address (00401000 to 004422BB)
    
   41400 size of raw data
    
     400 file pointer to raw data (00000400 to 000417FF)
    
       0 file pointer to relocation table
    
       0 file pointer to line numbers
    
       0 number of relocations
    
       0 number of line numbers
    
60500060 flags
    
         Code
    
         Initialized Data
    
         RESERVED - UNKNOWN
    
         RESERVED - UNKNOWN
    
         Execute Read
    

    
SECTION HEADER #2
    
   .data name
    
     19C virtual size
    
   43000 virtual address (00443000 to 0044319B)
    
     200 size of raw data
    
   41800 file pointer to raw data (00041800 to 000419FF)
    
       0 file pointer to relocation table
    
       0 file pointer to line numbers
    
       0 number of relocations
    
       0 number of line numbers
    
C0700040 flags
    
         Initialized Data
    
         RESERVED - UNKNOWN
    
         RESERVED - UNKNOWN
    
         RESERVED - UNKNOWN
    
         Read Write
    

    
SECTION HEADER #3
    
  .rdata name
    
    A7D8 virtual size
    
   44000 virtual address (00444000 to 0044E7D7)
    
    A800 size of raw data
    
   41A00 file pointer to raw data (00041A00 to 0004C1FF)
    
       0 file pointer to relocation table
    
       0 file pointer to line numbers
    
       0 number of relocations
    
       0 number of line numbers
    
40700040 flags
    
         Initialized Data
    
         RESERVED - UNKNOWN
    
         RESERVED - UNKNOWN
    
         RESERVED - UNKNOWN
    
         Read Only
    

    
SECTION HEADER #4
    
    .bss name
    
    1200 virtual size
    
   4F000 virtual address (0044F000 to 004501FF)
    
       0 size of raw data
    
       0 file pointer to raw data
    
       0 file pointer to relocation table
    
       0 file pointer to line numbers
    
       0 number of relocations
    
       0 number of line numbers
    
C0700080 flags
    
         Uninitialized Data
    
         RESERVED - UNKNOWN
    
         RESERVED - UNKNOWN
    
         RESERVED - UNKNOWN
    
         Read Write
    

    
SECTION HEADER #5
    
  .idata name
    
    36F0 virtual size
    
   51000 virtual address (00451000 to 004546EF)
    
    3800 size of raw data
    
   4C200 file pointer to raw data (0004C200 to 0004F9FF)
    
       0 file pointer to relocation table
    
       0 file pointer to line numbers
    
       0 number of relocations
    
       0 number of line numbers
    
C0300040 flags
    
         Initialized Data
    
         RESERVED - UNKNOWN
    
         RESERVED - UNKNOWN
    
         Read Write
    

    
SECTION HEADER #6
    
    .CRT name
    
      3C virtual size
    
   55000 virtual address (00455000 to 0045503B)
    
     200 size of raw data
    
   4FA00 file pointer to raw data (0004FA00 to 0004FBFF)
    
       0 file pointer to relocation table
    
       0 file pointer to line numbers
    
       0 number of relocations
    
       0 number of line numbers
    
C0300040 flags
    
         Initialized Data
    
         RESERVED - UNKNOWN
    
         RESERVED - UNKNOWN
    
         Read Write
    

    
SECTION HEADER #7
    
    .tls name
    
      20 virtual size
    
   56000 virtual address (00456000 to 0045601F)
    
     200 size of raw data
    
   4FC00 file pointer to raw data (0004FC00 to 0004FDFF)
    
       0 file pointer to relocation table
    
       0 file pointer to line numbers
    
       0 number of relocations
    
       0 number of line numbers
    
C0300040 flags
    
         Initialized Data
    
         RESERVED - UNKNOWN
    
         RESERVED - UNKNOWN
    
         Read Write
    

    
  Summary
    

    
        1000 .CRT
    
        2000 .bss
    
        1000 .data
    
        4000 .idata
    
        B000 .rdata
    
       42000 .text
    
        1000 .tls

    When I attempt to run the executable on XP, it just closes. There is no "missing dll" messages, nor anything in the event viewer.

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