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• French CNIL recommends Piwik : the only analytics tool that does not require Cookie Consent

  29 octobre 2014, par Matthieu Aubry — Press Releases

  There has been recent and important changes in France regarding data privacy and the use of cookies. This blog post will introduce you to these changes and explain how you make your website compliant.

  Cookie Consent in the data freedom law

  Since the adoption of the EU Directive 2009/136/EC “Telecom Package”, Internet users must be informed and provide their prior consent to the storage of cookies on their computer. The use of cookies for advertising, analytics and social share buttons require the user’s consent :

  It is necessary to inform users of the presence, purpose and duration of the cookies placed in their browsers, and the means at their disposal to oppose it.

  What is a cookie ?

  Cookies are tracers placed on Internet users’ hard drives by the web hosts of the visited website. They allow the website to identify a single user across multiple visits with a unique identifier. Cookies may be used for various purposes : building up a shopping cart, storing a website’s language settings, or targeting advertising by monitoring the user’s web-browsing.

  Which cookies are exempt from the Cookie Consent rule ?

  France has exempted certain cookies from the cookie consent rule : for those cookies that are strictly necessary to offer the service sought after by the user you do not need to ask consent to user. Examples of such cookies are :

  • the shopping cart cookie,
  • authentication cookies,
  • short lived session cookies,
  • load balancer cookies,
  • certain first party analytics (such as Piwik cookies),
  • persistent cookies for interface personalisation.

  Asking users for consent for Analytics (tracking) Cookies

  For all cookies that are not exempted from the Cookie Consent then you will need to :

  • obtain consent from web users before placing or reading cookies and similar technologies,
  • clearly inform web users of the different purposes for which the cookies and similar technologies will be used,
  • propose a real choice to web users between accepting or refusing cookies and similar technologies.

  You don’t need Cookie Consent with Piwik

  The excellent news is that there is a way to bypass the Cookie Consent banner on your website :

  If you are using another analytics solution other than Piwik then you will need to ask users for consent. If you do not want to ask for consent then download and install Piwik or signup to Piwik Cloud to get started.

  If you are already using Piwik you need to do two simple things : (1) anonymise visitor IP addresses (at least two bytes) and (2) include the opt-out iframe solution in your website (learn more).

  Note that these recommendations currently only apply in France, but because the law is European we can expect similar findings in other European countries.

  CNIL recommends Piwik

  We are proud that the CNIL has identified Piwik as the only tool that respects all privacy requirements set by the European Telecom law.

  

  About the CNIL

  The CNIL is an independent administrative body that operates in accordance with the French data protection legislation. The CNIL has been entrusted with the general duty to inform people of the rights that the data protection legislation allows them.

  The role and responsabilities of the CNIL are :

  • to protect citizens and their data
  • to regulate and control processing of personal data
  • to inspect the security of data processing systems and applications, and impose penalties

  Piwik and Privacy

  At Piwik we love Privacy – our open analytics platform comes with built-in Privacy.

  Future of Privacy at Piwik

  Piwik is already the leader when it comes to respecting user privacy but we plan to continue improving privacy within the open analytics platform. For more information and specific ideas see Privacy enhancing issues in our issue tracker.

  References

  Learn more in these articles in French [fr] or English :

  • [fr] Sites web, cookies et autres traceurs
  • [fr] Comment me mettre en conformité avec la recommandation “Cookies” de la CNIL ?
  • [fr] Recommandation sur les cookies : obligations pour les responsables de sites ?
  • CNIL Starts Controlling Cookie Settings in October 2014
  • CNIL recommends Piwik for compliance with data protection laws

  Contact

  To learn more about Piwik, please visit piwik.org,

  Get in touch with the Piwik team : Contact information,

  For professional support contact Piwik PRO.

• arm-linux-androideabi/bin/ld : error : cannot find -lpolarssl while compiling rtmp library for Android (host os -Debian)

  24 octobre 2014, par trololo

  I’m trying to build rtmp library for ffmpeg for my Android app.
  In order to compile ffmpeg I have to compile rtmp-library.
  For librtmp.a I need to compile polarssl. I got polarssl library (libpolarssl, -lpolarssl)
  script for polarssl :

   #!/bin/bash
  
  ANDROID_NDK=/home/sla/work/android-ndk-r10b86/android-ndk-r10b/
  
  TOOLCHAIN=/home/sla/ffmpeg_build/polarssl/
  
  $ANDROID_NDK/build/tools/make-standalone-toolchain.sh --toolchain=arm-linux-androideabi-4.8 \
  
    --system=linux-x86 --platform=android-3 --install-dir=$TOOLCHAIN
  
  cd /home/sla/ffmpeg_sources/polarssl-1.2.11
  
  
  
  export CROSS_COMPILE=arm-linux-androideabi
  
  export CC="${CROSS_COMPILE}-gcc"
  
  export CXX="${CROSS_COMPILE}-g++"
  
  
  
  export PATH=$TOOLCHAIN/bin:$PATH
  
  #export CC="arm-linux-androideabi-gcc"
  
  #export CXX="arm-linux-androideabi-g++"
  
  export LD=arm-linux-androideabi-ld
  
  export STRIP=arm-linux-androideabi-strip
  
  
  
  export CFLAGS="-std=c99 -O3 -Wall -mthumb -pipe -fpic -fasm \
  
    -march=armv7-a -mfpu=neon -mfloat-abi=hard -mvectorize-with-neon-quad \
  
    -finline-limit=300 -ffast-math -fmodulo-sched -fmodulo-sched-allow-regmoves \
  
    -mhard-float -D_NDK_MATH_NO_SOFTFP=1 -fdiagnostics-color=always \
  
    -Wno-psabi -Wa,--noexecstack \
  
    -D__ARM_ARCH_5__ -D__ARM_ARCH_5E__ -D__ARM_ARCH_5T__ -D__ARM_ARCH_5TE__ \
  
    -DANDROID -DNDEBUG"
  
  
  
  export LDFLAGS="-lm_hard -lz -Wl,--no-undefined -Wl,-z,noexecstack -Wl,--fix-cortex-a8 -Wl,--no-warn-mismatch"
  
  #cd /home/sla/ffmpeg_sources
  
  #autoreconf -fiv
  
  #./configure --host=arm-linux-androideabi --prefix="`pwd`/build/"
  
  #--disable-shared
  
  #rm -r build
  
  make lib -j7 SYS=android CC="$CC" APP=
  
  make install DESTDIR=/home/sla/ffmpeg_sources/polarssl

  It works fine and creates correspond lirary but when I try to compile rtmplib (rtmpdump) using script

  #!/bin/bash
  
  ANDROID_NDK=/home/sla/work/android-ndk-r10b86/android-ndk-r10b/
  
  TOOLCHAIN=/home/sla/ffmpeg_build/rtmp/
  
  $ANDROID_NDK/build/tools/make-standalone-toolchain.sh --toolchain=arm-linux-androideabi-4.8 \
  
    --system=linux-x86 --platform=android-3 --install-dir=$TOOLCHAIN
  
  cd /home/sla/ffmpeg_sources/rtmpdump
  
  
  
  export CROSS_COMPILE=arm-linux-androideabi
  
  #export CC=${CROSS_COMPILE}-gcc
  
  #export CXX=${CROSS_COMPILE}-g++
  
  
  
  export PATH=$TOOLCHAIN/bin:$PATH
  
  export CC="arm-linux-androideabi-gcc"
  
  export CXX="arm-linux-androideabi-g++"
  
  export LD=arm-linux-androideabi-ld
  
  export STRIP=arm-linux-androideabi-strip
  
  
  
  export CFLAGS="-std=c99 -O3 -Wall -mthumb -pipe -fpic -fasm \
  
    -march=armv7-a -mfpu=neon -mfloat-abi=hard -mvectorize-with-neon-quad \
  
    -finline-limit=300 -ffast-math -fmodulo-sched -fmodulo-sched-allow-regmoves \
  
    -mhard-float -D_NDK_MATH_NO_SOFTFP=1 -fdiagnostics-color=always \
  
    -Wno-psabi -Wa,--noexecstack \
  
    -D__ARM_ARCH_5__ -D__ARM_ARCH_5E__ -D__ARM_ARCH_5T__ -D__ARM_ARCH_5TE__ \
  
    -DANDROID -DNDEBUG"
  
  
  
  export LDFLAGS="-lm_hard -lz -Wl,--no-undefined -Wl,-z,noexecstack -Wl,--fix-cortex-a8 -Wl,--no-warn-mismatch"
  
  #cd /home/sla/ffmpeg_sources
  
  #autoreconf -fiv
  
  #./configure --host=arm-linux-androideabi --prefix="`pwd`/build/"
  
  #--disable-shared
  
  rm -r build
  
  make -j7 SYS=android CROSS_COMPILE=arm-linux-androideabi- INC="-I/home/sla/ffmpeg_sources/polarssl-1.2.11/include/ -L/home/sla/ffmpeg_sources/polarssl-1.2.11/library/" CRYPTO=POLARSSL SHARED=
  
  make install
  
  make distclean

  I recieve such error :

  /home/sla/ffmpeg_build/rtmp/bin/../lib/gcc/arm-linux-androideabi/4.8/../../../../arm-linux-androideabi/bin/ld: error: cannot find -lpolarssl

  More :

  Copying prebuilt binaries...
  
  Copying sysroot headers and libraries...
  
  Copying c++ runtime headers and libraries...
  
  Copying files to: /home/sla/ffmpeg_build/rtmp/
  
  Cleaning up...
  
  Done.
  
  rm: cannot remove `build': No such file or directory
  
  make[1]: Entering directory `/home/sla/ffmpeg_sources/rtmpdump/librtmp'
  
  make[1]: Nothing to be done for `all'.
  
  make[1]: Leaving directory `/home/sla/ffmpeg_sources/rtmpdump/librtmp'
  
  arm-linux-androideabi-gcc -Wall  -o rtmpdump rtmpdump.o -Llibrtmp -lrtmp -lpolarssl -lz  
  
  arm-linux-androideabi-gcc -Wall  -o rtmpgw rtmpgw.o thread.o  -Llibrtmp -lrtmp -lpolarssl -lz  
  
  arm-linux-androideabi-gcc -Wall  -o rtmpsrv rtmpsrv.o thread.o  -Llibrtmp -lrtmp -lpolarssl -lz  
  
  arm-linux-androideabi-gcc -Wall  -o rtmpsuck rtmpsuck.o thread.o  -Llibrtmp -lrtmp -lpolarssl -lz  
  
  /home/sla/ffmpeg_build/rtmp/bin/../lib/gcc/arm-linux-androideabi/4.8/../../../../arm-linux-androideabi/bin/ld: error: cannot find -lpolarssl
  
  librtmp/librtmp.a(rtmp.o):rtmp.c:function isValidPublicKey: error: undefined reference to 'mpi_init'
  
  librtmp/librtmp.a(rtmp.o):rtmp.c:function isValidPublicKey: error: undefined reference to 'mpi_lset'
  
  librtmp/librtmp.a(rtmp.o):rtmp.c:function isValidPublicKey: error: undefined reference to 'mpi_cmp_mpi'
  
  librtmp/librtmp.a(rtmp.o):/rtmp.c:function homeisValidPublicKey/:sla /errorffmpeg_build:/ rtmpundefined/ binreference/ .to. /'libmpi_copy/'gcc
  
  /librtmparm/-librtmp.alinux(-rtmp.oandroideabi)/:4.8rtmp.c/:.function. /isValidPublicKey.:. /error.:. /undefined. .reference/ armto- linux'-mpi_sub_intandroideabi'/
  
  binlibrtmp//ldlibrtmp.a:( rtmp.oerror):: rtmp.ccannot: functionfind  isValidPublicKey-:lpolarssl 
  
  errorlibrtmp:/ librtmp.aundefined( rtmp.oreference) :tortmp.c :'functionmpi_cmp_mpi 'isValidPublicKey
  
  :librtmp /errorlibrtmp.a:( rtmp.oundefined) :referencertmp.c :tofunction  'isValidPublicKeympi_init:' 
  
  errorlibrtmp:/ librtmp.aundefined( rtmp.oreference) :tortmp.c :'functionmpi_exp_mod 'isValidPublicKey
  
  :librtmp /errorlibrtmp.a:( rtmp.oundefined) :referencertmp.c :tofunction  'isValidPublicKeympi_lset:' 
  
  errorlibrtmp:/ librtmp.aundefined( rtmp.oreference) :tortmp.c :'functionmpi_cmp_int 'isValidPublicKey
  
  :librtmp /errorlibrtmp.a:( rtmp.oundefined) :referencertmp.c :tofunction  'isValidPublicKeympi_cmp_mpi:' 
  
  errorlibrtmp:/ librtmp.aundefined( rtmp.oreference) :tortmp.c :'functionmpi_free 'isValidPublicKey
  
  :librtmp /errorlibrtmp.a:( rtmp.oundefined) :referencertmp.c :tofunction  'DHGenerateKeympi_copy:' 
  
  errorlibrtmp:/ librtmp.aundefined( rtmp.oreference) :tortmp.c :'functionmpi_copy 'isValidPublicKey
  
  :librtmp /errorlibrtmp.a:( rtmp.oundefined) :referencertmp.c :tofunction  'DHGenerateKeympi_sub_int:' 
  
  errorlibrtmp:/ librtmp.aundefined( rtmp.oreference) :tortmp.c :'functionmpi_copy 'isValidPublicKey
  
  :librtmp /errorlibrtmp.a:( rtmp.oundefined) :referencertmp.c :tofunction  'DHGenerateKeympi_cmp_mpi:' 

  ETC..... A LOT OF ERRORS

  Hot to fix this error ?

• Add partial_tukey and punchout_tukey apodization functions

  10 août 2014, par Martijn van Beurden

  Add partial_tukey and punchout_tukey apodization functions
  Adds two new apodization functions that seem to perform better than
  
  the apodization functions currently in the codebase and fixes three
  
  existing windows as well.
  Its important to note that this patch only affects the encoder stage
  
  that evaluates various possible predictors. Audio encoded with these
  
  new windows will still decode with existing legacy decoders.
  = Theory =
  
  These functions are used to window the  audio data at the predictor
  
  stage. These news functions enable the use of only part of the signal
  
  to generate a predictor. This helps  because short transients can
  
  introduce noise into the predictor. The  predictor becomes very good
  
  at prediciting one part of the  signal, instead of mediocre for the
  
  whole block.
  Signed-off-by : Erik de Castro Lopo <erikd@mega-nerd.com>
  

  • [DH] doc/html/documentation_tools_flac.html
  • [DH] include/FLAC/stream_encoder.h
  • [DH] man/flac.1
  • [DH] man/flac.sgml
  • [DH] src/libFLAC/include/private/window.h
  • [DH] src/libFLAC/include/protected/stream_encoder.h
  • [DH] src/libFLAC/stream_encoder.c
  • [DH] src/libFLAC/window.c