- <title>What is the most supported MIME type in Debian in 2018?</title>
- <link>http://people.skolelinux.org/pere/blog/What_is_the_most_supported_MIME_type_in_Debian_in_2018_.html</link>
- <guid isPermaLink="true">http://people.skolelinux.org/pere/blog/What_is_the_most_supported_MIME_type_in_Debian_in_2018_.html</guid>
- <pubDate>Mon, 9 Jul 2018 08:05:00 +0200</pubDate>
- <description><p>Five years ago,
-<a href="http://people.skolelinux.org/pere/blog/What_is_the_most_supported_MIME_type_in_Debian_.html">I
-measured what the most supported MIME type in Debian was</a>, by
-analysing the desktop files in all packages in the archive. Since
-then, the DEP-11 AppStream system has been put into production, making
-the task a lot easier. This made me want to repeat the measurement,
-to see how much things changed. Here are the new numbers, for
-unstable only this time:
-
-<p><strong>Debian Unstable:</strong></p>
-
-<pre>
- count MIME type
- ----- -----------------------
- 56 image/jpeg
- 55 image/png
- 49 image/tiff
- 48 image/gif
- 39 image/bmp
- 38 text/plain
- 37 audio/mpeg
- 34 application/ogg
- 33 audio/x-flac
- 32 audio/x-mp3
- 30 audio/x-wav
- 30 audio/x-vorbis+ogg
- 29 image/x-portable-pixmap
- 27 inode/directory
- 27 image/x-portable-bitmap
- 27 audio/x-mpeg
- 26 application/x-ogg
- 25 audio/x-mpegurl
- 25 audio/ogg
- 24 text/html
-</pre>
-
-<p>The list was created like this using a sid chroot: "cat
-/var/lib/apt/lists/*sid*_dep11_Components-amd64.yml.gz| zcat | awk '/^
-- \S+\/\S+$/ {print $2 }' | sort | uniq -c | sort -nr | head -20"</p>
-
-<p>It is interesting to see how image formats have passed text/plain
-as the most announced supported MIME type. These days, thanks to the
-AppStream system, if you run into a file format you do not know, and
-want to figure out which packages support the format, you can find the
-MIME type of the file using "file --mime &lt;filename&gt;", and then
-look up all packages announcing support for this format in their
-AppStream metadata (XML or .desktop file) using "appstreamcli
-what-provides mimetype &lt;mime-type&gt;. For example if you, like
-me, want to know which packages support inode/directory, you can get a
-list like this:</p>
-
-<p><blockquote><pre>
-% appstreamcli what-provides mimetype inode/directory | grep Package: | sort
-Package: anjuta
-Package: audacious
-Package: baobab
-Package: cervisia
-Package: chirp
-Package: dolphin
-Package: doublecmd-common
-Package: easytag
-Package: enlightenment
-Package: ephoto
-Package: filelight
-Package: gwenview
-Package: k4dirstat
-Package: kaffeine
-Package: kdesvn
-Package: kid3
-Package: kid3-qt
-Package: nautilus
-Package: nemo
-Package: pcmanfm
-Package: pcmanfm-qt
-Package: qweborf
-Package: ranger
-Package: sirikali
-Package: spacefm
-Package: spacefm
-Package: vifm
-%
-</pre></blockquote></p>
-
-<p>Using the same method, I can quickly discover that the Sketchup file
-format is not yet supported by any package in Debian:</p>
-
-<p><blockquote><pre>
-% appstreamcli what-provides mimetype application/vnd.sketchup.skp
-Could not find component providing 'mimetype::application/vnd.sketchup.skp'.
-%
-</pre></blockquote></p>
-
-<p>Yesterday I used it to figure out which packages support the STL 3D
-format:</p>
-
-<p><blockquote><pre>
-% appstreamcli what-provides mimetype application/sla|grep Package
-Package: cura
-Package: meshlab
-Package: printrun
-%
-</pre></blockquote></p>
-
-<p>PS: A new version of Cura was uploaded to Debian yesterday.</p>
+ <title>CasparCG Server for TV broadcast playout in Debian</title>
+ <link>http://people.skolelinux.org/pere/blog/CasparCG_Server_for_TV_broadcast_playout_in_Debian.html</link>
+ <guid isPermaLink="true">http://people.skolelinux.org/pere/blog/CasparCG_Server_for_TV_broadcast_playout_in_Debian.html</guid>
+ <pubDate>Tue, 15 Jan 2019 00:10:00 +0100</pubDate>
+ <description><p>The layered video playout server created by Sveriges Television,
+<a href="https://casparcg.com/">CasparCG Server</a>, entered Debian
+today. This completes many months of work to get the source ready to
+go into Debian. The first upload to the Debian NEW queue happened a
+month ago, but the work upstream to prepare it for Debian started more
+than two and a half month ago. So far
+<a href="https://tracker.debian.org/pkg/casparcg-server">the
+casparcg-server package</a> is only available for amd64, but I hope
+this can be improved. The package is in contrib because it depend on
+the <a href="https://tracker.debian.org/pkg/fdk-aac">non-free fdk-aac
+library</a>. The Debian package lack support for streaming web pages
+because Debian is missing CEF, Chromium Embedded Framework. CEF is
+wanted by several packages in Debian. But because the Chromium source
+is <a href="https://bugs.debian.org/893448">not available as a build
+dependency</a>, it is not yet possible to upload CEF to Debian. I
+hope this will change in the future.</p>
+
+<p>The reason I got involved is that
+<a href="https://frikanalen.no/">the Norwegian open channel
+Frikanalen</a> is starting to use CasparCG for our HD playout, and I
+would like to have all the free software tools we use to run the TV
+channel available as packages from the Debian project. The last
+remaining piece in the puzzle is Open Broadcast Encoder, but it depend
+on quite a lot of patched libraries which would have to be included in
+Debian first.</p>
+</description>
+ </item>
+
+ <item>
+ <title>Learn to program with Minetest on Debian</title>
+ <link>http://people.skolelinux.org/pere/blog/Learn_to_program_with_Minetest_on_Debian.html</link>
+ <guid isPermaLink="true">http://people.skolelinux.org/pere/blog/Learn_to_program_with_Minetest_on_Debian.html</guid>
+ <pubDate>Sat, 15 Dec 2018 15:30:00 +0100</pubDate>
+ <description><p>A fun way to learn how to program
+<a href="https://www.python.org/">Python</a> is to follow the
+instructions in the book
+"<a href="https://nostarch.com/programwithminecraft">Learn to program
+with Minecraft</a>", which introduces programming in Python to people
+who like to play with Minecraft. The book uses a Python library to
+talk to a TCP/IP socket with an API accepting build instructions and
+providing information about the current players in a Minecraft world.
+The TCP/IP API was first created for the Minecraft implementation for
+Raspberry Pi, and has since been ported to some server versions of
+Minecraft. The book contain recipes for those using Windows, MacOSX
+and Raspian. But a little known fact is that you can follow the same
+recipes using the free software construction game
+<a href="https://minetest.net/">Minetest</a>.</p>
+
+<p>There is <a href="https://github.com/sprintingkiwi/pycraft_mod">a
+Minetest module implementing the same API</a>, making it possible to
+use the Python programs coded to talk to Minecraft with Minetest too.
+I
+<a href="https://ftp-master.debian.org/new/minetest-mod-pycraft_0.20%2Bgit20180331.0376a0a%2Bdfsg-1.html">uploaded
+this module</a> to Debian two weeks ago, and as soon as it clears the
+FTP masters NEW queue, learning to program Python with Minetest on
+Debian will be a simple 'apt install' away. The Debian package is
+maintained as part of the Debian Games team, and
+<a href="https://salsa.debian.org/games-team/unfinished/minetest-mod-pycraft">the
+packaging rules</a> are currently located under 'unfinished' on
+Salsa.</p>
+
+<p>You will most likely need to install several of the Minetest
+modules in Debian for the examples included with the library to work
+well, as there are several blocks used by the example scripts that are
+provided via modules in Minetest. Without the required blocks, a
+simple stone block is used instead. My initial testing with a analog
+clock did not get gold arms as instructed in the python library, but
+instead used stone arms.</p>
+
+<p>I tried to find a way to add the API to the desktop version of
+Minecraft, but were unable to find any working recipes. The
+<a href="https://www.epiphanydigest.com/tag/minecraft-python-api/">recipes</a>
+I <a href="https://github.com/kbsriram/mcpiapi">found</a> are only
+working with a standalone Minecraft server setup. Are there any
+options to use with the normal desktop version?</p>