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• Piwik Developer Guides : helping you make the most of the Piwik platform

  16 avril 2015, par Piwik Core Team — Community, Development, Plugins

  At Piwik we are creating the leading open analytics platform that gives every user full control over their data. Today we are excited to announce the official launch of the Piwik Developer Guides at developer.piwik.org. The Developer Guides complement existing User Guides and more than 250 FAQs.

  Piwik Developer Guides

  The Developer guides will help you whenever you need to :

  • Integrate Piwik analytics in your website or application — Integration guides explain (1) how to track users of your apps (with JavaScript Tracking or other Tracking API Clients) and (2) how to query Piwik’s reporting data to integrate it into your application (Accessing Piwik data).
  • Develop a new Plugin for Piwik — Plugin development guides introduce the Piwik Platform and explain how to get started with creating a new plugin to extend and customise Piwik.
  • Piwik API references — API References include the references for Tracking API, Analytics API, JavaScript Tracking API and the Database schema.
  • See what’s changed in the platform — Changelog for Piwik platform developers lists all changes to our HTTP API’s, Plugins, Themes, etc.

  Helping Developers innovate with Piwik

  Piwik is an open platform – it is open because users control their data, users control the Piwik software (it is Free/libre software) and also because users can extend the platform via the powerful plugins architecture. Piwik users can already choose from 49 plugins available on the Marketplace ! (as of 2015 April 16th)

  Now that developer guides are officially released, we are hopeful that even more talented developers will be able to create Plugins and distribute them on the Marketplace.

  Share your feedback

  We are committed to providing excellent Developer Guides and to achieve this, we need to hear your feedback and suggestions. To send us a message, click on the “Give Feedback” link in the footer of pages (we are listening !).

  What’s coming next ?

  • Platform Developer Changelog will continue to list all changes to the Piwik Platform and APIs.
  • We will regularly update the guides when there are changes in the platform.
  • We will improve existing guides based on users’ feedback and suggestions (tasks are tracked in this issue tracker on Github.)

  We hope you find the guides useful, and thank you for being part of the Piwik community !

  

• tests : make sure subtitles tests are run with a rawdiff

  26 avril 2015, par Clément Bœsch

  tests : make sure subtitles tests are run with a rawdiff
  This will test properly CRLF with make fate, make fate-subtitles and any
  
  make fate-sub-* test. Before this commit, the rawdiff was triggered only
  
  by make fate-subtitles.
  Also make sure fate-sub-* only match the tests relying on fmtstdout
  
  command, to at least avoid failing on MingW. See
  
  https://ffmpeg.org/pipermail/ffmpeg-devel/2015-April/172395.html
  

  • [DH] tests/fate/subtitles.mak
  • [DH] tests/ref/fate/binsub-movtextenc

• Knitr Plot Animation - disappearing output files ?

  20 avril 2015, par tcs

  I downloaded the latest ffmpeg (exe version), unzipped the files, renamed the directory to ffmpeg, copied the directory into c :\Program Files. I appended my PATH variable to include c :\Program Files\ffmpeg\bin. Finally, I restarted Rstudio.

  While attempting to run the following code chunk :

  ```{r perf_plot, fig.width=7, fig.height=6, fig.show='animate'}
  
  library(corrplot)
  
  corrplot(m, method = "circle")
  
  m<-sequence_2_matrix(perf_list[[1]])
  
  corrplot(m)
  
  for (i in 2:length(perf_list)) {
  
    m<-(m*(i-1)+sequence_2_matrix(perf_list[[i]]))/i
  
    corrplot(m,method = "circle")
  
  
  
  }

  I see within the output in in my RMarkdown window that the ffmpeg call seems to be successfully run, but while watching the directory where my code is located the png that is attempted to be created can often disappear, or not appear at all. Strangeness.

  processing file: MarkovRoutinesSim.rmd
  
    |........                                                         |  13%
  
    ordinary text without R code
  
  
  
    |...........                                                      |  17%
  
  label: unnamed-chunk-2
  
    |..............                                                   |  22%
  
    ordinary text without R code
  
  
  
    |.................                                                |  26%
  
  label: unnamed-chunk-3
  
    |....................                                             |  30%
  
    ordinary text without R code
  
  
  
    |.......................                                          |  35%
  
  label: unnamed-chunk-4
  
    |.........................                                        |  39%
  
    ordinary text without R code
  
  
  
    |............................                                     |  43%
  
  label: unnamed-chunk-5
  
    |...............................                                  |  48%
  
    ordinary text without R code
  
  
  
    |..................................                               |  52%
  
  label: unnamed-chunk-6
  
    |.....................................                            |  57%
  
    ordinary text without R code
  
  
  
    |........................................                         |  61%
  
  label: unnamed-chunk-7
  
    |..........................................                       |  65%
  
    ordinary text without R code
  
  
  
    |.............................................                    |  70%
  
  label: perf_plot (with options) 
  
  List of 3
  
   $ fig.width : num 7
  
   $ fig.height: num 6
  
   $ fig.show  : chr "animate"
  
  
  
  executing: ffmpeg -y -r 1 -i MarkovRoutinesSim_files/figure-html/perf_plot-%d.png MarkovRoutinesSim_files/figure-html/perf_plot-.webm
  
  ffmpeg version N-71515-ga40cee0 Copyright (c) 2000-2015 the FFmpeg developers
  
    built with gcc 4.9.2 (GCC)
  
    configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libdcadec --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-lzma --enable-decklink --enable-zlib
  
    libavutil      54. 22.101 / 54. 22.101
  
    libavcodec     56. 34.100 / 56. 34.100
  
    libavformat    56. 30.100 / 56. 30.100
  
    libavdevice    56.  4.100 / 56.  4.100
  
    libavfilter     5. 14.100 /  5. 14.100
  
    libswscale      3.  1.101 /  3.  1.101
  
    libswresample   1.  1.100 /  1.  1.100
  
    libpostproc    53.  3.100 / 53.  3.100
  
  Input #0, image2, from 'MarkovRoutinesSim_files/figure-html/perf_plot-%d.png':
  
    Duration: 00:00:00.44, start: 0.000000, bitrate: N/A
  
      Stream #0:0: Video: png, pal8, 1344x1152 [SAR 7559:7559 DAR 7:6], 25 fps, 25 tbr, 25 tbn, 25 tbc
  
  [libvpx @ 000000000310e720] v1.4.0
  
  Output #0, webm, to 'MarkovRoutinesSim_files/figure-html/perf_plot-.webm':
  
    Metadata:
  
      encoder         : Lavf56.30.100
  
      Stream #0:0: Video: vp8 (libvpx), yuv420p, 1344x1152 [SAR 1:1 DAR 7:6], q=-1--1, 200 kb/s, 1 fps, 1k tbn, 1 tbc
  
      Metadata:
  
        encoder         : Lavc56.34.100 libvpx
  
  Stream mapping:
  
    Stream #0:0 -> #0:0 (png (native) -> vp8 (libvpx))
  
  Press [q] to stop, [?] for help
  
    |................................................                 |  74%
  
    ordinary text without R code
  
  
  
    |...................................................              |  78%
  
  label: unnamed-chunk-8
  
    |......................................................           |  83%
  
    ordinary text without R code
  
  
  
    |.........................................................        |  87%
  
  label: unnamed-chunk-9
  
  frame=   11 fps=0.0 q=0.0 Lsize=     108kB time=00:00:11.00 bitrate=  80.8kbits/s    
  
  video:108kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.524176%
  
    |...........................................................      |  91%
  
    ordinary text without R code
  
  
  
    |..............................................................   |  96%
  
  label: unnamed-chunk-10
  
    |.................................................................| 100%
  
    ordinary text without R code
  
  
  
  
  
  "C:/Program Files/RStudio/bin/pandoc/pandoc" MarkovRoutinesSim.utf8.md --to html --from markdown+autolink_bare_uris+ascii_identifiers+tex_math_single_backslash-implicit_figures --output MarkovRoutinesSim.html --smart --email-obfuscation none --self-contained --standalone --section-divs --template "C:\Users\Tim\Documents\R\win-library\3.2\rmarkdown\rmd\h\default.html" --variable "theme:bootstrap" --include-in-header "C:\Users\Tim\AppData\Local\Temp\Rtmpkrtekd\rmarkdown-str7d43d7d5475.html" --mathjax --variable "mathjax-url:https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML" --no-highlight --variable "highlightjs=C:\Users\Tim\Documents\R\win-library\3.2\rmarkdown\rmd\h\highlight" 
  
  output file: MarkovRoutinesSim.knit.md
  
  
  
  
  
  Output created: MarkovRoutinesSim.html

  Any ideas on what might be happening ? I’ve tried adding in other graphs, and I see this random behavior of the file folder appearing disappearing, sometimes the file is created, other times not.