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• Aubio (aubioonset.exe) on Windows - can't find ffmpeg libraries

  7 octobre 2024, par Peter Wirdemo

  I have installed Aubio on Windows but when trying to use the tools, like aubioonset.exe, I am faced with the following error message :

  


  C:/Peter/aubio/aubio/aubio-0.4.6-win64-ffmpeg/bin/aubioonset.exe: error while loading shared libraries: ?: cannot open shared object file: No such file or directory


  


  I assume it looks after ffmpeg libraries. I have FFmpeg installed and bin-dir added to PATH environment variable. FFMPEG is working flawless globally.

  


  After searching internet for answers to my issue I find "answers" like :
"install chosen libraries (for instance ffmpeg, with header files)"

  


  That vague answer doesn't help me at all. Exactly how do I install ffmpeg libraries, with header files, so that the Aubio-tools can find them ? I need specifics about what environmental-variables must be set - or - should the ffmpeg lib-files be placed in the Aubio Build folder somewhere, or what should I do ?

  


  And after doing that I am supposed to recompile and reinstall Aubio. I can do that.

  


  This is btw. the result from ./waf configure when building my own Aubio-binaries (instead of downloading pre-builds) :

  


  peter@DESKTOP-I0KNADQ MINGW64 /c/Peter/aubio/aubio (master)
$ ./waf configure
Setting top to                           : C:\Peter\aubio\aubio
Setting out to                           : C:\Peter\aubio\aubio\build
Checking for 'msvc' (C compiler)         : C:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\VC\Tools\MSVC\14.16.27023\bin\HostX64\x64\CL.exe
Checking for header stdlib.h             : yes
Checking for header stdio.h              : yes
Checking for header math.h               : yes
Checking for header string.h             : yes
Checking for header errno.h              : yes
Checking for header limits.h             : yes
Checking for header stdarg.h             : yes
Checking for header getopt.h             : not found
Checking for header unistd.h             : not found
Checking for library m                   : not found
Checking for C99 __VA_ARGS__ macro       : yes
Checking for size of smpl_t              : float
Checking for size of lsmp_t              : double
Checking if complex.h is enabled         : no
Checking for FFT implementation          : ooura
Checking for program 'pkg-config'        : not found
Checking for program 'pkg-config'        : not found
Checking for program 'pkg-config'        : not found
Checking for program 'pkg-config'        : not found
Checking for program 'pkg-config'        : not found
Checking for program 'pkg-config'        : not found
Checking for program 'pkg-config'        : not found
Checking for program 'pkg-config'        : not found
Checking for all libav libraries         : not found (missing avcodec)
Checking for program 'pkg-config'        : not found
Checking for program 'pkg-config'        : not found
Checking if using source_wavread         : yes
Checking if using sink_wavwrite          : yes
Checking for program 'txt2man'           : not found
Checking for program 'doxygen'           : not found
Checking for program 'sphinx-build'      : not found
'configure' finished successfully (7.590s)


  


  As can be seen above I have no problem building Aubio without external libraries.

  


  So my guess is that I can go down two different paths for a solution here : either try building with all external libraries somehow prepared (I have tried but can't change the output of ./waf configure no matter what I do. I have cloned the ffmpeg source from github. I can't figure out where ./waf configure is looking for it). Or I can get the precompiled binaries to work, by somehow installing the external libraries.

  


  I have tried both solutions in multiple ways, but fail getting any one of them to work.

  


• Senior Software Engineer for Enterprise Analytics Platform

  28 janvier 2016, par Matthieu Aubry — Jobs

  We’re looking for a lead developer to work on Piwik Analytics core platform software. We have some exciting challenges to solve and need you !

  You’ll be working with both fellow employees and our open-source community. Piwik PRO staff lives in New Zealand, Europe (Poland, Germany) and in the U.S. We do the vast majority of our collaboration online.

  We are a small, flexible team, so when you come aboard, you will play an integral part in engineering. As a leader you’ll help us to prioritise work and grow our community. You’ll help to create a welcoming environment for new contributors and set an example with your development practices and communications skills. You will be working closely with our CTO to build a future for Piwik.

  Key Responsibilities

  • Strong competency coding in PHP and JavaScript.
  • Scaling existing backend system to handle ever increasing amounts of traffic and new product requirements.
  • Outstanding communication and collaboration skills.
  • Drive development and documentation of internal and external APIs (Piwik is an open platform).
  • Help make our development practices better and reduce friction from idea to deployment.
  • Mentor junior engineers and set the stage for personal growth.

  Minimum qualifications

  • 5+ years of experience in product development, security, usable interface design.
  • 5+ years experience building successful production software systems.
  • Strong competency in PHP5 and JavaScript application development.
  • Skill at writing tests and reviewing code.
  • Strong analytical skills.

  Location

  • Remote work position !
  • or you can join us in our office based in Wellington, New Zealand or in Wrocław, Poland.

  Benefits

  • Competitive salary.
  • Equity in Piwik PRO.
  • Remote work is possible.
  • Yearly meetup with the whole team abroad.
  • Be part of a successful open source company and community.
  • In our Wellington (NZ) and Wroclaw (PL) offices : snacks, coffee, nap room, Table football, Ping pong…
  • Regular events.
  • Great team of people.
  • Exciting projects.

  Learn more

  Learn more what it’s like to work on Piwik in our blog post

  About Piwik

  At Piwik and Piwik PRO we develop the leading open source web analytics platform, used by more than one million websites worldwide. Our vision is to help the world liberate their analytics data by building the best open alternative to Google Analytics.

  The Piwik platform collects, stores and processes a lot of information : hundreds of millions of data points each month. We create intuitive, simple and beautiful reports that delight our users.

  About Piwik PRO company

  At Piwik PRO we’re solving hard problems with simple solutions that make our users and customers happy. We practise agile methodology, test driven development and fast release cycles. Our backend is mostly built in modern PHP with a bit of Python. We use MySQL/MariaDB and Redis as data stores. Our frontends is built in JavaScript using AngularJS and jQuery. Our tools include Github, Travis CI, PhpStorm and Slack.

  As a Lead Software Developer for Piwik PRO, you will be writing open source code that will run on more than 200,000 servers and be used in 200+ countries and 50 languages !

  Apply online

  To apply for this position, please Apply online here. We look forward to receiving your applications !

• Vcpkg building FFmpeg with libxml2

  15 décembre 2019, par Subestima

  First off all im a newbie in this area so if im asking something really stupid or non sense im sorry in advance, so lets get right to the point... im trying to add features to the ffmpeg, and by what i know i have to modify CONTROL file and portfile.cmake but as it seems its not enough i dont understand the errors and i cant get more info about this in the internet so if you could give me some info how to do it properly it would allready mean a lot to me ! i will leave the portions of code and error file

  **portfile.cmake:**
  
  if("libxml2" IN_LIST FEATURES)
  
      set(OPTIONS "${OPTIONS} --enable-libxml2")
  
  endif()
  
  
  
  **CONTROL:**
  
  Feature: libxml2
  
  Description: Libxml2 is the XML C parser and toolkit developed for the Gnome project (but usable outside of the Gnome platform)
  
  Build-Depends: zlib, libiconv, liblzma
  
  
  
  **Command Prompt after (vcpkg install ffmpeg[libxml2]:x64-windows)**
  
  CMake Error at scripts/cmake/vcpkg_execute_required_process.cmake:72 (message):
  
      Command failed: C:/vcpkg/downloads/tools/msys2/msys64/usr/bin/bash.exe --noprofile --norc C:/vcpkg/ports/ffmpeg\build.sh C:/vcpkg/buildtrees/ffmpeg/x64-windows-rel C:/vcpkg/buildtrees/ffmpeg/src/n4.2-02d8c63f80 C:/vcpkg/packages/ffmpeg_x64-windows "--enable-asm --enable-yasm --disable-doc --enable-debug --enable-runtime-cpudetect --enable-libxml2 --disable-openssl --disable-ffmpeg --disable-ffplay --disable-ffprobe --disable-libvpx --disable-libx264 --disable-opencl --disable-lzma --disable-bzlib --enable-avresample  --disable-static --enable-shared --extra-cflags=-DHAVE_UNISTD_H=0  --extra-cflags=-MD --extra-cxxflags=-MD"
  
      Working Directory: C:/vcpkg/buildtrees/ffmpeg/x64-windows-rel
  
      Error code: 1
  
      See logs for more information:
  
        C:\vcpkg\buildtrees\ffmpeg\build-x64-windows-rel-out.log
  
  
  
  Call Stack (most recent call first):
  
    ports/ffmpeg/portfile.cmake:197 (vcpkg_execute_required_process)
  
    scripts/ports.cmake:94 (include)
  
  
  
  
  
  Error: Building package ffmpeg:x64-windows failed with: BUILD_FAILED
  
  Please ensure you're using the latest portfiles with `.\vcpkg update`, then
  
  submit an issue at https://github.com/Microsoft/vcpkg/issues including:
  
    Package: ffmpeg:x64-windows
  
    Vcpkg version: 2019.09.12-nohash**strong text**
  
  
  
  **Log Error file:**
  
  === CONFIGURING === ERROR: libxml-2.0 not found using pkg-config
  
  
  
  If you think configure made a mistake, make sure you are using the latest version from Git.  If the latest version fails, report the problem to the ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net. Include the log file "ffbuild/config.log" produced by configure as this will help solve the problem.

  Thank you for your attention,
  Regards Pedro Cunha !