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authorGravatar Chris Xiong <chirs241097@gmail.com> 2024-06-22 19:59:16 -0400
committerGravatar Chris Xiong <chirs241097@gmail.com> 2024-06-22 19:59:16 -0400
commit4e1a29cab8d31cff30d88d2dfc0f526372fc33bd (patch)
tree7a0c9b5d4a57ed734018b447eafdf5f51ab43151 /blog/post/2018-03-17.html
parente81928f76ab105c65a0a0997c289f0f521589128 (diff)
downloadweb-4e1a29cab8d31cff30d88d2dfc0f526372fc33bd.tar.xz
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- <li><a href="/"><h1>Chrisoft</h1></a></li>
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- <li><a href="#"><h3 id="title">Some rants on SMELT, QMidiPlayer and Virtools</h3></a></li>
- <li><span>Tags</span>
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- <li><a href="/blog/list/devel/">devel</a></li><li><a href="/blog/list/qmidiplayer/">qmidiplayer</a></li><li><a href="/blog/list/opengl/">opengl</a></li></ul>
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- <h2 id="titleh" class="TText" style="font-wight:normal;">Some rants on SMELT, QMidiPlayer and Virtools</h2>
- <div id="datetags" class="TText" style="margin-bottom:1em;">2018-03-17<br>#devel #qmidiplayer #opengl</div>
- <hr><div id="article" class="TText">
-<article>
-<p>
-Well, I have to admit that creating a new blog post but not writing the
-actual content until more than a month later is <b>bullshit</b>. I've
-almost forgotten what I was thinking about when I created the post...
-</p>
-<p>
-But as you can tell from my recent activity, development of QMidiPlayer
-seemed to be stalled. No new features has been added since the rewrite
-of the MIDI mapper. However the rewrite is actually for the next planned
-major feature: an OPL3 emulator plugin and probably a VST host plugin.
-I spent one third of my winter break on reading the specs of the YMF262
-chip but made no real progress, which is a real shame.
-</p>
-<p>
-As for SMELT, I ported it to OpenGL 3.3+ but this is definitely not in
-my original schedule. The initial port has a whole bunch of bugs and
-quirks, also its performance was poor. Most of these were fixed later on
-with the help of <a href="https://github.com/apitrace/apitrace">apitrace</a>.
-However currently the new port still makes way more OpenGL calls than
-expected.
-</p>
-<p>
-Planned features for SMELT include vertex array switching, material,
-lighting and custom shaders. Adding these features will likely make the
-older version deprecated though. Plus there's no strong demand for these
-features. Therefore they may not be added any time soon.
-</p>
-<p>
-The Virtools part is an entirely accident. 2jjy and I suddenly got excited
-with the Virtools SDK and decided to find out what can it achieve. Before
-long 2jjy managed to analyze the internal structure of a Virtools
-<i>behavior</i>. These data determines how the behavior graph is presented
-in the schemetic interface. Checking 'hide script representation in
-schemetic' while saving simply discards these data, effectively obfuscating
-the script. The final tool we made public reconstructs the base of this
-structure using the logic of the script and tries to arrange behavior
-building blocks in a more human-readable way. It definitely helps future
-analysis of our old pal (Ballance), but not so much in my opinion. Porting
-the custom DLLs used by Ballance to a "newer" Virtools verion might be way
-more important.
-</p>
-<p>
-The tool has been
-<a href="https://github.com/BearKidsTeam/VirtoolsScriptDeobfuscation">made public</a>.
-As the job it does falls into a "grey zone", we don't know whether it is
-legally acceptable to use it. Use at your own risk!
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