install of FFmpeg [SOLVED]

Hi all
I installed Audacity 2.1.0 and try to install the ffmpeg library
However after few tries it seems that the library is already missing
I followed the tuto on the wiki site
I tested for Lame and it worked (Lame was recognized in the libray section)
for Ffmpeg I have theses msg :

15:14:54: Audacity 2.1.0
15:14:54: Trying to load FFmpeg libraries...
15:14:54: mLibAVFormatPath ('C:\Program Files (x86)\FFmpeg for Audacity\avformat-55.dll') is not empty. Loading from it.
15:14:54: Looking up PATH environment variable...
15:14:54: PATH = 'C:\ProgramData\Oracle\Java\javapath;c:\Program Files (x86)\Intel\iCLS Client\;c:\Program Files\Intel\iCLS Client\;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0\;C:\Program Files\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files\Intel\Intel(R) Management Engine Components\IPT;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\IPT;C:\Program Files (x86)\Druide\Antidote 9\Application\Bin64\;C:\Program Files (x86)\Druide\Antidote 9\Application\Bin32\;C:\Program Files (x86)\Calibre2\;C:\Program Files (x86)\Kaspersky Lab\Kaspersky Endpoint Security 10 for Windows SP1\;C:\Users\martin\AppData\Local\Programs\Python\Python35\Scripts\;C:\Users\martin\AppData\Local\Programs\Python\Python35\'
15:14:54: Checking that 'C:\Program Files (x86)\FFmpeg for Audacity' is in PATH...
15:14:54: Avertissement :FFmpeg directory 'C:\Program Files (x86)\FFmpeg for Audacity' is not in PATH.
15:14:54: Temporarily prepending ';C:\Program Files (x86)\FFmpeg for Audacity' to PATH...
15:14:54: Checking for monolithic avformat from 'C:\Program Files (x86)\FFmpeg for Audacity\avformat-55.dll'.
15:14:54: Erreur :Échec du chargement de la bibliothèque partagée « C:\Program Files (x86)\FFmpeg for Audacity\avformat-55.dll » (erreur 127 : la procédure spécifiée est introuvable.)
15:14:54: Loading avutil from ''.
15:14:54: Erreur :Échec du chargement de la bibliothèque partagée « .dll » (erreur 126 : le module spécifié est introuvable.)
15:14:54: Loading avcodec from ''.
15:14:54: Erreur :Échec du chargement de la bibliothèque partagée « .dll » (erreur 126 : le module spécifié est introuvable.)
15:14:54: Loading avformat from 'C:\Program Files (x86)\FFmpeg for Audacity\avformat-55.dll'.
15:14:54: Erreur :Échec du chargement de la bibliothèque partagée « C:\Program Files (x86)\FFmpeg for Audacity\avformat-55.dll » (erreur 127 : la procédure spécifiée est introuvable.)
15:14:54: Returning PATH to previous setting...
15:14:54: Erreur :Failed to load FFmpeg libraries.
15:14:54: Trying to load FFmpeg libraries from default path, 'C:\Program Files (x86)\FFmpeg for Audacity\avformat-55.dll'.
15:14:54: Looking up PATH environment variable...
15:14:54: PATH = 'C:\Program Files (x86)\FFmpeg for Audacity;C:\ProgramData\Oracle\Java\javapath;c:\Program Files (x86)\Intel\iCLS Client\;c:\Program Files\Intel\iCLS Client\;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0\;C:\Program Files\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files\Intel\Intel(R) Management Engine Components\IPT;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\IPT;C:\Program Files (x86)\Druide\Antidote 9\Application\Bin64\;C:\Program Files (x86)\Druide\Antidote 9\Application\Bin32\;C:\Program Files (x86)\Calibre2\;C:\Program Files (x86)\Kaspersky Lab\Kaspersky Endpoint Security 10 for Windows SP1\;C:\Users\martin\AppData\Local\Programs\Python\Python35\Scripts\'
15:14:54: Checking that 'C:\Program Files (x86)\FFmpeg for Audacity' is in PATH...
15:14:54: FFmpeg directory is in PATH.
15:14:54: Checking for monolithic avformat from 'C:\Program Files (x86)\FFmpeg for Audacity\avformat-55.dll'.
15:14:54: Erreur :Échec du chargement de la bibliothèque partagée « C:\Program Files (x86)\FFmpeg for Audacity\avformat-55.dll » (erreur 127 : la procédure spécifiée est introuvable.)
15:14:54: Loading avutil from ''.
15:14:54: Erreur :Échec du chargement de la bibliothèque partagée « .dll » (erreur 126 : le module spécifié est introuvable.)
15:14:54: Loading avcodec from ''.
15:14:54: Erreur :Échec du chargement de la bibliothèque partagée « .dll » (erreur 126 : le module spécifié est introuvable.)
15:14:54: Loading avformat from 'C:\Program Files (x86)\FFmpeg for Audacity\avformat-55.dll'.
15:14:54: Erreur :Échec du chargement de la bibliothèque partagée « C:\Program Files (x86)\FFmpeg for Audacity\avformat-55.dll » (erreur 127 : la procédure spécifiée est introuvable.)
15:14:54: Erreur :Failed to load FFmpeg libraries.
15:14:54: Trying to load FFmpeg libraries from system paths. File name is 'avformat-55.dll'.
15:14:54: Looking up PATH environment variable...
15:14:54: PATH = 'C:\Program Files (x86)\FFmpeg for Audacity;C:\ProgramData\Oracle\Java\javapath;c:\Program Files (x86)\Intel\iCLS Client\;c:\Program Files\Intel\iCLS Client\;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0\;C:\Program Files\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files\Intel\Intel(R) Management Engine Components\IPT;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\IPT;C:\Program Files (x86)\Druide\Antidote 9\Application\Bin64\;C:\Program Files (x86)\Druide\Antidote 9\Application\Bin32\;C:\Program Files (x86)\Calibre2\;C:\Program Files (x86)\Kaspersky Lab\Kaspersky Endpoint Security 10 for Windows SP1\;C:\Users\martin\AppData\Local\Programs\Python\Python35\Scripts\'
15:14:54: Checking that '' is in PATH...
15:14:54: FFmpeg directory is in PATH.
15:14:54: Checking for monolithic avformat from 'avformat-55.dll'.
15:14:54: Erreur :Échec du chargement de la bibliothèque partagée « avformat-55.dll » (erreur 127 : la procédure spécifiée est introuvable.)
15:14:54: Loading avutil from ''.
15:14:54: Erreur :Échec du chargement de la bibliothèque partagée « .dll » (erreur 126 : le module spécifié est introuvable.)
15:14:54: Loading avcodec from ''.
15:14:54: Erreur :Échec du chargement de la bibliothèque partagée « .dll » (erreur 126 : le module spécifié est introuvable.)
15:14:54: Loading avformat from 'avformat-55.dll'.
15:14:54: Erreur :Échec du chargement de la bibliothèque partagée « avformat-55.dll » (erreur 127 : la procédure spécifiée est introuvable.)
15:14:54: Erreur :Failed to load FFmpeg libraries.
15:14:54: Erreur :Impossible de trouver des bibliothèques FFmpeg compatibles
15:14:57: Attempting to load LAME from previously defined path
15:14:57: Loading LAME from C:\Program Files (x86)\FFmpeg for Audacity\lame_enc.dll
15:14:57: Actual LAME path C:\Program Files (x86)\FFmpeg for Audacity\lame_enc.dll
15:14:57: Erreur :Impossible de trouver le symbole « beWriteInfoTag » dans la bibliothèque dynamique (erreur 127 : la procédure spécifiée est introuvable.)
15:14:57: Erreur :Impossible de trouver le symbole « beVersion » dans la bibliothèque dynamique (erreur 127 : la procédure spécifiée est introuvable.)
15:14:57: LAME library successfully loaded

if someone know how to solve it
thk

The current version of Audacity is 2.1.2, which you can download from here: http://www.audacityteam.org/download/windows/

Instructions for installing FFmpeg for Audacity 2.1.2 are here: http://manual.audacityteam.org/man/faq_installation_and_plug_ins.html#ffdown
If you follow those instructions to the letter, it should work.

If there is still a problem, you may need to uninstall any other version of FFmpeg that you may have installed, and reset Audacity’s “Preferences”. We can help you with that if it is required.

I reinstall all but same problem
and I tested on an other pc but same problem
windows 10

19:56:12: Erreur :Échec du chargement de la bibliothèque partagée « .dll » (erreur 126 : le module spécifié est introuvable.)
19:56:12: Loading avcodec from ''.
19:56:12: Erreur :Échec du chargement de la bibliothèque partagée « .dll » (erreur 126 : le module spécifié est introuvable.)
19:56:12: Loading avformat from 'avformat-55.dll'.
19:56:12: Erreur :Échec du chargement de la bibliothèque partagée « avformat-55.dll » (erreur 127 : la procédure spécifiée est introuvable.)
19:56:12: Erreur :Failed to load FFmpeg libraries.
19:56:12: Erreur :Impossible de trouver des bibliothèques FFmpeg compatibles
19:56:16: Attempting to load LAME from system search paths
19:56:16: Loading LAME from lame_enc.dll
19:56:16: Actual LAME path C:\Program Files (x86)\FFmpeg for Audacity\lame_enc.dll
19:56:16: LAME library successfully loaded

nobody has this problem ??

on virtual XP it works
but not windows 10
which VS redist I need ??

problem solved
I copy all dll from ffmpeg to audacity repertory

Just for your information, we always need the complete log to debug FFmpeg issues, as you gave first time for 2.1.0.

Yes as last resort, putting all the FFmpeg files in the folder Audacity is running from can solve an FFmpeg detection problem.


Gale