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• Matomo’s privacy-friendly web analytics software named best of the year 2022

  25 janvier 2023, par Erin

  W3Tech names Matomo ‘Traffic Analysis Tool of the Year 2022’ in its Web Technologies of the Year list of technologies that gained the most sites

  Matomo, a world-leading open-source web analytics platform, is proud to announce that it has received W3Tech’s award for the best web analytics software in its Web Technologies of the Year 2022. Matomo is the first independent, open-source tool named Traffic Analysis Tool of the Year – with previous winners including Google Analytics and Facebook Pixel.


  W3Tech, a trusted source for web technology research, determines winners for its annual Web Technologies of the Year list by technologies that gained the most websites. W3Tech surveys usage across millions of websites globally – comparing the number of sites using a technology on January 1st of one year with the number of sites using it the following year.

  W3Tech commenting on the Traffic Analysis Tool winners, said : “Matomo, the privacy-focused open source analytics platform, is the traffic analysis tool of the year for the first time, while Google Analytics and the other previous winners all lost a bit of market share in 2022. The Chinese Baidu Analytics ranks second this year. Snowplow, another open source tool, is an unexpected third.”


  Matomo launched in 2007 as an open-source analytics alternative to Google Analytics, keeps businesses GDPR and CCPA-compliant. Matomo is trusted by over 1.4 million websites in 220 countries and is translated into over 50 languages.


  Matomo founder Matthieu Aubry says, “As the first independent, open-source traffic analysis tool to receive this recognition, Matomo is humbled and honoured to lead the charge for change. It’s a testament to the hard work of our community, and it’s a clear sign that consumers and organisations are looking for ethical alternatives.


  “This recognition is a major win for the entire privacy movement and proves that the tide is turning against the big tech players who I believe have long prioritised profits over privacy. We are committed to continuing our work towards a more private and secure digital landscape for all.”


  In W3Tech’s Web Technologies of the Year 2022, Matomo was also judged third Tag Manager, behind Google Tag Manager and Adobe DTM.


  Matomo helps businesses and organisations track and optimise their online presence allowing users to easily collect, analyse, and act on their website and marketing data to gain a deeper understanding of their visitors and drive conversions and revenue. With 100% data ownership, customers using the company’s tools get the power to protect their website user’s privacy – and where their data is stored and what’s happening to it, without external influence. Furthermore, as the data is not sampled, it maintains data accuracy. 


  Aubry says its recent award is a positive reminder of how well this solution is performing internationally and is a testament to the exceptional quality and performance of Matomo’s powerful web analytics tools that respect a user’s privacy.


  “In 2020, the CJEU ruled US cloud servers don’t comply with GDPR. Then in 2022, the Austrian Data Protection Authority and French Data Protection Authority (CNIL) ruled that the use of Google Analytics is illegal due to data transfers to the US. With Matomo Cloud, the customer’s data is stored in Europe, and no data is transferred to the US. On the other hand, with Matomo On-Premise, the data is stored in your country of choice.


  “Matomo has also become one of the most popular open-source alternatives to Google Analytics for website owners and marketing teams because it empowers web professionals to make business decisions. Website investment, collateral, and arrangement are enriched by having the full picture and control of the data.”

  

  About Matomo

  Matomo is a world-leading open-source web analytics platform, trusted by over 1.4 million websites in 220 countries and translated into over 50 languages. Matomo helps businesses and organisations track and optimise their online presence allowing users to easily collect, analyse, and act on their website and marketing data to gain a deeper understanding of their visitors and drive conversions and revenue. Matomo’s vision is to create, as a community, the leading open digital analytics platform that gives every user complete control of their data.

  For more information/ press enquiries Press – Matomo

• VideoWriter Doesn't work using openCV, ubuntu, Qt

  25 janvier 2023, par underflow223

  My code :

  


  cv::VideoWriter(
  strFile.toStdString(),
  cv::VideoWriter::fourcc('m','p','4','v'),
  nfps,
  cv::Size(1920/nresize, 1080/nresize)
);


  


  Error message :

  


  [mpeg4_v4l2m2m @ 0x7f50a43c50] arm_release_ver of this libmali is 'g6p0-01eac0', rk_so_ver is '7'.
Could not find a valid device
[mpeg4_v4l2m2m @ 0x7f50a43c50] can't configure encoder


  


  If I use MJPG codec, it works fine thow.

  


  This is OPENCV configure info :

  


  -- General configuration for OpenCV 4.6.0 =====================================
--   Version control:               unknown
-- 
--   Extra modules:
--     Location (extra):            /home/firefly/Downloads/opencv_contrib-4.6.0/modules
--     Version control (extra):     unknown
-- 
--   Platform:
--     Timestamp:                   2023-01-19T02:11:26Z
--     Host:                        Linux 5.10.110 aarch64
--     CMake:                       3.16.3
--     CMake generator:             Unix Makefiles
--     CMake build tool:            /usr/bin/make
--     Configuration:               Release
-- 
--   CPU/HW features:
--     Baseline:                    NEON FP16
-- 
--   C/C++:
--     Built as dynamic libs?:      YES
--     C++ standard:                11
--     C++ Compiler:                /usr/bin/c++  (ver 9.4.0)
--     C++ flags (Release):         -fsigned-char -W -Wall -Wreturn-type -Wnon-virtual-dtor -Waddress -Wsequence-point -Wformat -Wformat-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -Wuninitialized -Wsuggest-override -Wno-delete-non-virtual-dtor -Wno-comment -Wimplicit-fallthrough=3 -Wno-strict-overflow -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections    -fvisibility=hidden -fvisibility-inlines-hidden -O3 -DNDEBUG  -DNDEBUG
--     C++ flags (Debug):           -fsigned-char -W -Wall -Wreturn-type -Wnon-virtual-dtor -Waddress -Wsequence-point -Wformat -Wformat-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -Wuninitialized -Wsuggest-override -Wno-delete-non-virtual-dtor -Wno-comment -Wimplicit-fallthrough=3 -Wno-strict-overflow -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections    -fvisibility=hidden -fvisibility-inlines-hidden -g  -O0 -DDEBUG -D_DEBUG
--     C Compiler:                  /usr/bin/cc
--     C flags (Release):           -fsigned-char -W -Wall -Wreturn-type -Waddress -Wsequence-point -Wformat -Wformat-security -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit-self -Wpointer-arith -Wshadow -Wuninitialized -Wno-comment -Wimplicit-fallthrough=3 -Wno-strict-overflow -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections    -fvisibility=hidden -O3 -DNDEBUG  -DNDEBUG
--     C flags (Debug):             -fsigned-char -W -Wall -Wreturn-type -Waddress -Wsequence-point -Wformat -Wformat-security -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit-self -Wpointer-arith -Wshadow -Wuninitialized -Wno-comment -Wimplicit-fallthrough=3 -Wno-strict-overflow -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections    -fvisibility=hidden -g  -O0 -DDEBUG -D_DEBUG
--     Linker flags (Release):      -Wl,--gc-sections -Wl,--as-needed -Wl,--no-undefined  
--     Linker flags (Debug):        -Wl,--gc-sections -Wl,--as-needed -Wl,--no-undefined  
--     ccache:                      NO
--     Precompiled headers:         NO
--     Extra dependencies:          dl m pthread rt
--     3rdparty dependencies:
-- 
--   OpenCV modules:
--     To be built:                 aruco barcode bgsegm bioinspired calib3d ccalib core datasets dnn dnn_objdetect dnn_superres dpm face features2d flann freetype fuzzy gapi hfs highgui img_hash imgcodecs imgproc intensity_transform line_descriptor mcc ml objdetect optflow phase_unwrapping photo plot quality rapid reg rgbd saliency shape stereo stitching structured_light superres surface_matching text tracking ts video videoio videostab wechat_qrcode xfeatures2d ximgproc xobjdetect xphoto
--     Disabled:                    world
--     Disabled by dependency:      -
--     Unavailable:                 alphamat cudaarithm cudabgsegm cudacodec cudafeatures2d cudafilters cudaimgproc cudalegacy cudaobjdetect cudaoptflow cudastereo cudawarping cudev cvv hdf java julia matlab ovis python2 python3 sfm viz
--     Applications:                tests perf_tests apps
--     Documentation:               NO
--     Non-free algorithms:         NO
-- 
--   GUI:                           GTK3
--     GTK+:                        YES (ver 3.24.20)
--       GThread :                  YES (ver 2.64.6)
--       GtkGlExt:                  NO
--     VTK support:                 NO
-- 
--   Media I/O: 
--     ZLib:                        /usr/lib/aarch64-linux-gnu/libz.so (ver 1.2.11)
--     JPEG:                        /usr/lib/aarch64-linux-gnu/libjpeg.so (ver 80)
--     WEBP:                        build (ver encoder: 0x020f)
--     PNG:                         /usr/lib/aarch64-linux-gnu/libpng.so (ver 1.6.37)
--     TIFF:                        /usr/lib/aarch64-linux-gnu/libtiff.so (ver 42 / 4.1.0)
--     JPEG 2000:                   build (ver 2.4.0)
--     OpenEXR:                     build (ver 2.3.0)
--     HDR:                         YES
--     SUNRASTER:                   YES
--     PXM:                         YES
--     PFM:                         YES
-- 
--   Video I/O:
--     DC1394:                      YES (2.2.5)
--     FFMPEG:                      YES
--       avcodec:                   YES (58.54.100)
--       avformat:                  YES (58.29.100)
--       avutil:                    YES (56.31.100)
--       swscale:                   YES (5.5.100)
--       avresample:                YES (4.0.0)
--     GStreamer:                   YES (1.16.2)
--     v4l/v4l2:                    YES (linux/videodev2.h)
-- 
--   Parallel framework:            pthreads
-- 
--   Trace:                         YES (with Intel ITT)
-- 
--   Other third-party libraries:
--     Lapack:                      NO
--     Eigen:                       NO
--     Custom HAL:                  YES (carotene (ver 0.0.1))
--     Protobuf:                    build (3.19.1)
-- 
--   OpenCL:                        YES (no extra features)
--     Include path:                /home/firefly/Downloads/opencv-4.6.0/3rdparty/include/opencl/1.2
--     Link libraries:              Dynamic load
-- 
--   Python (for build):            /usr/bin/python2.7
-- 
--   Java:                          
--     ant:                         NO
--     JNI:                         NO
--     Java wrappers:               NO
--     Java tests:                  NO
-- 
============================================================================================


  


  ffmpeg info :

  


  ============================================================================================
ffmpeg
ffmpeg version 4.2.4-1ubuntu1.0firefly5 Copyright (c) 2000-2020 the FFmpeg developers
  built with gcc 9 (Ubuntu 9.4.0-1ubuntu1~20.04.1)
  configuration: --prefix=/usr --extra-version=1ubuntu1.0firefly5 --toolchain=hardened --libdir=/usr/lib/aarch64-linux-gnu --incdir=/usr/include/aarch64-linux-gnu --arch=arm64 --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --enable-libdrm --enable-librga --enable-rkmpp --enable-version3 --disable-libopenh264 --disable-vaapi --disable-vdpau --disable-decoder=h264_v4l2m2m --disable-decoder=vp8_v4l2m2m --disable-decoder=mpeg2_v4l2m2m --disable-decoder=mpeg4_v4l2m2m --enable-shared --disable-doc
  libavutil      56. 31.100 / 56. 31.100
  libavcodec     58. 54.100 / 58. 54.100
  libavformat    58. 29.100 / 58. 29.100
  libavdevice    58.  8.100 / 58.  8.100
  libavfilter     7. 57.100 /  7. 57.100
  libavresample   4.  0.  0 /  4.  0.  0
  libswscale      5.  5.100 /  5.  5.100
  libswresample   3.  5.100 /  3.  5.100
  libpostproc    55.  5.100 / 55.  5.100
Hyper fast Audio and Video encoder
usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...
====================================================================================


  


• How to catch connection lost in avcodec_decode_video2 ?

  3 juillet 2014, par 4ntoine

  I’m using android ffmpeg port and i have native crash while playing and connection lost :

  07-03 16:06:45.036      831-831/? D/CrashAnrDetector﹕ Build: samsung/hltexx/hlte:4.4.2/KOT49H/N9005XXUENA7:user/release-keys
  
      Hardware: MSM8974
  
      Revision: 8
  
      Bootloader: N9005XXUENA7
  
      Radio: unknown
  
      Kernel: Linux version 3.4.0-348029 (dpi@SWDC3316) (gcc version 4.7 (GCC) ) #1 SMP PREEMPT Sat Jan 11 09:45:51 KST 2014
  
      *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
  
      Build fingerprint: 'samsung/hltexx/hlte:4.4.2/KOT49H/N9005XXUENA7:user/release-keys'
  
      Revision: '8'
  
      pid: 21599, tid: 25027, name: AsyncTask #4  >>> com.company.project <<<
  
      signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0037000f
  
      r0 8ef40b10  r1 00000002  r2 8ef40b0c  r3 00000000
  
      r4 825d0270  r5 79b51e20  r6 00370007  r7 002a001f
  
      r8 8ef40b0c  r9 79b10160  sl 8ef40bd8  fp 79c62cf8
  
      ip 00000000  sp 8ef40ae4  lr 7c0ed1db  pc 7be277fc  cpsr 280f0030
  
      d0  0000000000000000  d1  0000000000000000
  
      d2  0000000000000000  d3  0000000000000000
  
      d4  3fd34413509f79fb  d5  40c3880000000000
  
      d6  426d1a94a2000000  d7  42a0c6f7a0b5ed8d
  
      d8  3f13bcd3441bd127  d9  461c40000000168b
  
      d10 00000000441bd127  d11 0000000000000000
  
      d12 0000000000000000  d13 0000000000000000
  
      d14 0000000000000000  d15 0000000000000000
  
      d16 00240014003e000e  d17 0028001c00340004
  
      d18 0021001100390009  d19 002d001900310001
  
      d20 00270017003d000d  d21 002a001f00370007
  
      d22 00220012003a000a  d23 002e001a00320002
  
      d24 0202020202020202  d25 fefefefefefefefe
  
      d26 40e8fd171d2bf551  d27 402305681ecd4aa1
  
      d28 3ff0000000000000  d29 007f007f007f007f
  
      d30 ffffffffffffffff  d31 4000000000000000
  
      scr 88000012
  
      backtrace:
  
      #00  pc 001217fc  /data/app-lib/com.company.project-178/libffmpeg-neon.so (av_packet_get_side_data+11)
  
      #01  pc 003e71d7  /data/app-lib/com.company.project-178/libffmpeg-neon.so (avcodec_decode_video2+118)
  
      stack:
  
      8ef40aa4  00000000
  
      8ef40aa8  00000001
  
      8ef40aac  00000000
  
      8ef40ab0  0000a09f
  
      8ef40ab4  00000000
  
      8ef40ab8  00000001
  
      8ef40abc  4029abd9  /system/lib/libgui.so (android::Surface::queueBuffer(ANativeWindowBuffer*, int)+300)
  
      8ef40ac0  79afa958
  
      8ef40ac4  4002bf80
  
      8ef40ac8  00000002
  
      8ef40acc  00000000
  
      8ef40ad0  00000000
  
      8ef40ad4  00000000
  
      8ef40ad8  79b51fd8
  
      8ef40adc  825d0270
  
      8ef40ae0  79b51e20
  
      #00  8ef40ae4  825d0270
  
      ........  ........
  
      #01  8ef40ae4  825d0270
  
      8ef40ae8  79b51e20
  
      8ef40aec  8ef40b10  [stack:25027]
  
      8ef40af0  8192cfc0
  
      8ef40af4  8ef40b0c  [stack:25027]
  
      8ef40af8  00000001
  
      8ef40afc  00000000
  
      8ef40b00  00000000
  
      8ef40b04  00000000
  
      8ef40b08  00000000
  
      8ef40b0c  00000000
  
      8ef40b10  003f000f
  
      8ef40b14  00250015
  
      8ef40b18  00350005
  
      8ef40b1c  0029001d
  
      8ef40b20  00390009
  
      memory near r0:
  
      8ef40af0 8192cfc0 8ef40b0c 00000001 00000000
  
      8ef40b00 00000000 00000000 00000000 00000000
  
      8ef40b10 003f000f 00250015 00350005 0029001d
  
      8ef40b20 00390009 00210011 00310001 002d0019
  
      8ef40b30 003d000d 00270017 00370007 002a001f
  
      8ef40b40 003a000a 00220012 00320002 002e001a
  
      8ef40b50 003e000e 00240014 00340004 0028001c
  
      8ef40b60 4029a577 825d0270 79b51e20 7a049803
  
      8ef40b70 8192cfc0 787bcf70 7b409008 79ded900
  
      8ef40b80 7b409008 7a02c783 1d2bf551 40e8fd17
  
      8ef40b90 7f62b6ae 3ff07dd9 6f177a70 40e8fc9f
  
      8ef40ba0 1d2bf551 40e8fd17 7f62b6ae 3ff07dd9
  
      8ef40bb0 ea5ecf87 0000000b 7b4c48f4 00000000
  
      8ef40bc0 0000001c 79afa598 798ed350 0000000b
  
      8ef40bd0 000fba45 00000000 00000000 00000001
  
      8ef40be0 000f4240 000002c0 53b52b34 9adb02b9
  
      memory near r2:
  
      8ef40aec 8ef40b10 8192cfc0 8ef40b0c 00000001
  
      8ef40afc 00000000 00000000 00000000 00000000
  
      8ef40b0c 00000000 003f000f 00250015 00350005
  
      8ef40b1c 0029001d 00390009 00210011 00310001
  
      8ef40b2c 002d0019 003d000d 00270017 00370007
  
      8ef40b3c 002a001f 003a000a 002200
  
  07-03 16:06:45.036      831-831/? D/CrashAnrDetector﹕ processName:com.company.project
  
  07-03 16:06:45.036      831-831/? D/CrashAnrDetector﹕ broadcastEvent : com.company.project SYSTEM_TOMBSTONE
  
  07-03 16:06:45.036     831-1281/? I/ActivityManager﹕ Killing 24245:com.google.android.apps.magazines/u0a131 (adj 15): empty #31
  
  07-03 16:06:45.046      831-831/? W/ContextImpl﹕ Calling a method in the system process without a qualified user: android.app.ContextImpl.sendBroadcast:1468 com.android.server.analytics.data.collection.application.CrashAnrDetector.broadcastEvent:296 com.android.server.analytics.data.collection.application.CrashAnrDetector.processDropBoxEntry:254 com.android.server.analytics.data.collection.application.CrashAnrDetector.access$100:60 com.android.server.analytics.data.collection.application.CrashAnrDetector$1.onReceive:102
  
  07-03 16:06:45.066  25171-25171/? I/SELinux﹕ Function: selinux_android_load_priority [0], There is no sepolicy file.
  
  07-03 16:06:45.066  25171-25171/? I/SELinux﹕ Function: selinux_android_load_priority , loading version is VE=SEPF_SM-N9005_4.4.2_0013
  
  07-03 16:06:45.066  25171-25171/? I/SELinux﹕ selinux_android_seapp_context_reload: seapp_contexts file is loaded from /data/security/spota/seapp_contexts
  
  07-03 16:06:45.116   1049-31569/? D/KeyguardViewMediator﹕ setHidden false
  
  07-03 16:06:45.116   1049-31569/? D/KeyguardUpdateMonitor﹕ sendKeyguardVisibilityChanged(true)
  
  07-03 16:06:45.116    1049-1049/? D/KeyguardUpdateMonitor﹕ handleKeyguardVisibilityChanged(1)
  
  07-03 16:06:45.166     831-1281/? I/WindowState﹕ WIN DEATH: Window{44ddb5e8 u0 SurfaceView}
  
  07-03 16:06:45.166   1049-11393/? D/KeyguardViewMediator﹕ setHidden false
  
  07-03 16:06:45.166   1049-11393/? D/KeyguardUpdateMonitor﹕ sendKeyguardVisibilityChanged(true)
  
  07-03 16:06:45.166    1049-1049/? D/KeyguardUpdateMonitor﹕ handleKeyguardVisibilityChanged(1)
  
  07-03 16:06:45.166      831-841/? I/ActivityManager﹕ Process com.company.project (pid 21599) (adj 0) has died.

  How can i fix it - catch exceptions or any other solution ?