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• Best streaming way for images generated on the fly

  28 novembre 2018, par Vincent Bavaro

  Good morning,
  I have a server that sends me an increasing sequence of images and I need to stream them as a VOD to anyone that, after it inputs username and password in a simple HTML5 site, accesses them. I found ffmpeg to be the best solution so I’m studying it a lot these days. I wanted to know from experts in ffmpeg and streaming, what should be my main route to follow for my purposes.

  My personal thought and what I’m working on is to have ffmpeg encode the images on the fly to a video through a pipe, and then with another command have it transformed into segmented MPeg-4 and playlist for HLS stream, I think I will use an apache webserver for that as well. Is this the best course to follow ? Anyone has better/more efficient (like a single command)/more easy solutions to develop ?

• Error inclunding in FFMPEG project on a Mac using clang

  3 juillet 2018, par benwiz

  I’m having trouble running the remuxing.c example code. I get the following error. I have confirmed that the files can be found in /usr/local/include. I am running macOS Sierra 10.12.6.

  $ cc -v playground/remuxing.c
  
  Apple LLVM version 9.0.0 (clang-900.0.39.2)
  
  Target: x86_64-apple-darwin16.7.0
  
  Thread model: posix
  
  InstalledDir: /Library/Developer/CommandLineTools/usr/bin
  
   "/Library/Developer/CommandLineTools/usr/bin/clang" -cc1 -triple x86_64-apple-macosx10.12.0 -Wdeprecat
  
  ed-objc-isa-usage -Werror=deprecated-objc-isa-usage -emit-obj -mrelax-all -disable-free -disable-llvm-v
  
  erifier -discard-value-names -main-file-name remuxing.c -mrelocation-model pic -pic-level 2 -mthread-mo
  
  del posix -mdisable-fp-elim -fno-strict-return -masm-verbose -munwind-tables -target-cpu penryn -target
  
  -linker-version 305 -v -dwarf-column-info -debugger-tuning=lldb -resource-dir /Library/Developer/Comman
  
  dLineTools/usr/lib/clang/9.0.0 -fdebug-compilation-dir /Users/myuser/github/personal/synthesthesi
  
  a -ferror-limit 19 -fmessage-length 103 -stack-protector 1 -fblocks -fobjc-runtime=macosx-10.12.0 -fenc
  
  ode-extended-block-signature -fmax-type-align=16 -fdiagnostics-show-option -fcolor-diagnostics -o /var/
  
  folders/8s/2xc3v8dd7zz2c2trymzybvd534bnhg/T/remuxing-819223.o -x c playground/remuxing.c
  
  clang -cc1 version 9.0.0 (clang-900.0.39.2) default target x86_64-apple-darwin16.7.0
  
  #include "..." search starts here:
  
  #include <...> search starts here:
  
   /usr/local/include
  
   /Library/Developer/CommandLineTools/usr/lib/clang/9.0.0/include
  
   /Library/Developer/CommandLineTools/usr/include
  
   /usr/include
  
   /System/Library/Frameworks (framework directory)
  
   /Library/Frameworks (framework directory)
  
  End of search list.
  
   "/Library/Developer/CommandLineTools/usr/bin/ld" -demangle -lto_library /Library/Developer/CommandLineTools/usr/lib/libLTO.dylib -no_deduplicate -dynamic -arch x86_64 -macosx_version_min 10.12.0 -o a.out /var/folders/8s/2xc3v8dd7zz2c2trymzybvd534bnhg/T/remuxing-819223.o -lSystem /Library/Developer/CommandLineTools/usr/lib/clang/9.0.0/lib/darwin/libclang_rt.osx.a
  
  Undefined symbols for architecture x86_64:
  
    "_av_dump_format", referenced from:
  
        _main in remuxing-819223.o
  
    "_av_freep", referenced from:
  
        _main in remuxing-819223.o
  
    "_av_interleaved_write_frame", referenced from:
  
        _main in remuxing-819223.o
  
    "_av_mallocz_array", referenced from:
  
        _main in remuxing-819223.o
  
    "_av_packet_unref", referenced from:
  
        _main in remuxing-819223.o
  
    "_av_read_frame", referenced from:
  
        _main in remuxing-819223.o
  
    "_av_rescale_q", referenced from:
  
        _main in remuxing-819223.o
  
    "_av_rescale_q_rnd", referenced from:
  
        _main in remuxing-819223.o
  
    "_av_strerror", referenced from:
  
        _av_make_error_string in remuxing-819223.o
  
    "_av_write_trailer", referenced from:
  
        _main in remuxing-819223.o
  
    "_avcodec_parameters_copy", referenced from:
  
        _main in remuxing-819223.o
  
    "_avformat_alloc_output_context2", referenced from:
  
        _main in remuxing-819223.o
  
    "_avformat_close_input", referenced from:
  
        _main in remuxing-819223.o
  
    "_avformat_find_stream_info", referenced from:
  
        _main in remuxing-819223.o
  
    "_avformat_free_context", referenced from:
  
        _main in remuxing-819223.o
  
    "_avformat_new_stream", referenced from:
  
        _main in remuxing-819223.o
  
    "_avformat_open_input", referenced from:
  
        _main in remuxing-819223.o
  
    "_avformat_write_header", referenced from:
  
        _main in remuxing-819223.o
  
    "_avio_closep", referenced from:
  
        _main in remuxing-819223.o
  
    "_avio_open", referenced from:
  
        _main in remuxing-819223.o
  
  ld: symbol(s) not found for architecture x86_64
  
  clang: error: linker command failed with exit code 1 (use -v to see invocation)

• GDPR compliance for Matomo’s Premium Features like Heatmaps & Session Recording, Form Analytics, Media Analytics & co

  27 avril 2018, par InnoCraft

  The General Data Protection Regulation (EU) 2016/679, also referred to as RGPD in French, Datenschutz-Grundverordnung, DS-GVO in German, is fast-approaching. It is now less than 30 days until GDPR applies to most businesses around the world on 25th May 2018. If you haven’t heard of this new regulation yet, I recommend you check out our GDPR guide which we continue to expand regularly to get you up to speed with it.

  GDPR compliance in Matomo

  We are currently adding several new features to Matomo to get you GDPR ready. You will have for example the possibility to delete and export data for data subjects, delete and anonymize previously tracked data, anonymize the IP address and location, ask for consent, and more. A beta version with these features is already available. We will release more blog posts and user guides about these features soon and just recently published a post on how to avoid collecting personal information in the first place soon.

  If you are still using Piwik, we highly recommend you update to a recent version of Matomo as all versions of Piwik will NOT be GDPR compliant.

  GDPR compliance for premium features

  InnoCraft, the company of the makers of Matomo, are offering various premium features for your self-hosted Matomo so you can be sure to make the right decisions and continuously grow your business. These features are also available on the cloud-hosted version of Matomo.

  If you are now wondering how GDPR applies to these features, you will be happy to hear that none of them collect any personal information except for possibly Heatmaps & Session Recording and the WooCommerce integration. All of them also support all the new upcoming GDPR features like the possibility to export and delete data. It is important that you update your Matomo Premium Features to the latest version to use these features.

  Making Heatmaps & Session Recording GDPR compliant

  We have added several new features to make it easy for you to be GDPR compliant and in many cases you might not even have to do anything. Some of the changes include :

  • Keystrokes (text entered into form fields) are no longer captured by default.
  • You may enable the capturing of keystrokes, and all keystrokes will be anonymized by default.
  • You may whitelist certain form fields to be recorded in plain text. However, fields that likely contain personal or sensitive information like passwords, phone numbers, addresses, credit card details, names, email addresses, and more will be always anonymized to protect user privacy. (this has always been the case but we have now included many more fields).

  How personal information may still be recorded

  Nevertheless, Heatmaps and Session Recordings may still record personal or sensitive information if you show them as part of the regular website as plain text (and not as part of a form field). The below example shows an email address for a paypal account as well as a name and VAT information as a regular content.

  

  To anonymize such information, simply add a data-matomo-mask attribute to your website :

  <span data-matomo-mask>example@example.com</span>

  You can read more about this in the developer guide “Masking content on your website”.

  WooCommerce Integration

  The WooCommerce integration may record an Order ID when a customer purchases something on your shop. As the Order ID is an identifier which could be linked with your shop to identify an individual, it may be considered as personal information. Matomo now offers an option to automatically anonymize this Order ID so it is no longer considered as personal information. To enable this feature, log in to your Matomo and go to “Administration => Anonymize Data”.

  GDPR compliance for third party plugins on the Matomo Marketplace

  The Matomo Marketplace currently features over 80 free plugins. Over 50 of them are compatible with the latest Matomo 3.X version and most of them should support Matomo’s new GDPR features out of the box. If you are concerned by GDPR and are not sure if a third party plugin stores any personal information, we highly recommend you ask the developer of this plugin about the compliance.

  You can find a link to the plugin’s issue tracker by going to a plugin page and then clicking on “Github” on the bottom right.

  

  If you are a plugin developer, please read our developer guide “GDPR & How do I make my Matomo plugin compliant”.

  The post GDPR compliance for Matomo’s Premium Features like Heatmaps & Session Recording, Form Analytics, Media Analytics & co appeared first on Analytics Platform - Matomo.