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• How to build ffmpeg in Android NDK under Windows

  30 août 2016, par Oliver Wickenden

  I’m trying to build ffmpeg in Android NDK under Windows to put into an app but having issues.
  I found various guides on how to do this but they were all many years old and no longer worked.

  What I’ve done so far is install NDK and downloaded the latest ffmpeg 3.1.2 source code into the sources folder. I also installed cygwin.

  I then created a script, build_android.sh, with the code (taken from another guide) :

  #!/bin/bash
  
  NDK=/cygdrive/c/Android/ndk/android-ndk-r12b
  
  SYSROOT=$NDK/platforms/android-24/arch-arm64/
  
  TOOLCHAIN=$NDK/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64
  
  function build_one
  
  {
  
      ./configure \
  
     --prefix=$PREFIX \
  
     --disable-shared \
  
     --enable-static \
  
     --disable-doc \
  
     --disable-ffmpeg \
  
     --disable-ffplay \
  
     --disable-ffprobe \
  
     --disable-ffserver \
  
     --disable-avdevice \
  
     --disable-doc \
  
     --disable-symver \
  
     --cross-prefix=$TOOLCHAIN/bin/arm-linux-androideabi- \
  
     --target-os=linux \
  
     --arch=arm \
  
     --enable-cross-compile \
  
     --sysroot=$SYSROOT \
  
     --extra-cflags="-Os -fpic $ADDI_CFLAGS" \
  
     --extra-ldflags="$ADDI_LDFLAGS" \
  
     $ADDITIONAL_CONFIGURE_FLAG
  
  make clean
  
  make
  
  make install
  
  }
  
  CPU=arm
  
  PREFIX=$(pwd)/android/$CPU 
  
  ADDI_CFLAGS="-marm"
  
  build_one

  When I run this I get :

  Makefile:198: /tests/Makefile: No such file or directory
  
  make: *** No rule to make target '/tests/Makefile'.  Stop.

  Anyone know how to successfully build ffmpeg in NDK or have any guides that work with the latest version ?

  Thanks,
  Oliver

• 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 !

• cuvid : Add MIT licenced nvcuid headers from Video SDK 7.0

  21 septembre 2016, par Philip Langdale

  cuvid : Add MIT licenced nvcuid headers from Video SDK 7.0
  For unknown reasons, the only accurately descriptive version of
  
  cuviddec.h is in the Video SDK - the one in CUDA 7.5 lacks vp8
  
  PICPARAMS and the vp9 struct definition is inaccurate. The CUDA 8 RC
  
  includes an ancient version of this file from many many years go.
  However, the one in the Video SDK is modified to work through a
  
  dynamic link mechanism which we don’t really want to use, so the
  
  next change will modify the files to just declare functions in
  
  the normal way.
  I’ve split the changes so it’s clear to see what changed between
  
  the original files and ones that work for us.
  

  • [DH] compat/cuda/cuviddec.h
  • [DH] compat/cuda/nvcuvid.h