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news about carla breakage

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falkTX 7 years ago
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<p>
<span style="font-size: 20px">&gt; Breaking changes in Carla Plugin Host</span><br/>
On <i>2017-11-21</i> by<i> falkTX</i>
</p>
<p>
Hello everyone, I have some bad and good news about Carla.<br/>
If you've been following the development on the git repository you likely know what his is about.<br/>
There were some major changes done to Carla's code base in the past few days.<br/>
</p>
<p>
The biggest change is the <b>removal of the Juce library</b>.<br/>
The reasons for this are well known by some developers, but I'll not write about them here.<br/>
After looking around for alternatives,
I decided to fork an older GPLv2 compatible version of Juce and strip it down to the really essential parts needed
to get Carla to build and run - even if it meant losing some of the features.<br/>
The possibility to change to an entirely different C++ framework crossed my mind,
but the amount of effort and breaking changes would be too big.<br/>
I called the end result 'water'. You can say Carla doesn't need Juce, water is fine ;)<br/>
There's only a few classes and files needed for I/O, XML and AudioGraph handling, everything else is gone. \o/
</p>
<p>
The implications for this change are not big for Linux users,
and is even a source of good news for other OpenSource Operating System users like FreeBSD and HaikuOS.<br/>
In short, because Juce is no longer there, we have <b>lost support for VST3 and AudioUnit plugins</b>.<br/>
Plus VST2 plugins on Windows and MacOS are now handled by Carla's code instead of relying on Juce.<br/>
This heavily reduces the amount of compatible plugins handled by Carla, because Juce had a lot of hacks in order
to make a lot of commercial plugins run properly.<br/>
Also Carla on Windows and MacOS used Juce to handle Audio and MIDI devices,
which now has been changed to RtAudio and RtMidi.<br/>
RtAudio &amp; RtMidi are not as fully-featured as Juce was (we lose dynamic MIDI ports, for example),
but I am glad to have Juce gone from the code-base.<br/>
(You can say that parts of it are still there, but my conscience is clear,
and Carla remains self-contained which was my main point since v2.0 development started)
</p>
<p>
The next breaking change relates to the internal plugins used in Carla.<br/>
The <b>plugins that already exist as LV2 will stop being exported with the carla.lv2</b> bundle.<br/>
Plus these plugins will soon be removed from the default build.<br/>
They quickly bloat the Carla binaries, as they include their artwork.
Not to mention increasing the clone and building times.<br/>
The plan is to have them disabled by default and moved into a new repository as submodule.<br/>
Oh and the "experimental" plugins are going away soon.
It was a mistake to make them Carla-specific in the first place, they should be regular audio plugins instead.
<p>
Another breaking change is the removal of modgui support.<br/>
The code only worked for PyQt4, which is no longer the default for Carla source-based builds.<br/>
Plus it required webkit, which brings a bit list of dependencies.
I would have to port the code to webengine/chromium to make it work with PyQt5... no thanks.<br/>
</p>
<p>
The final breaking change is the introduction of the <b>Experimental option in Carla's settings</b>.<br/>
Everything that is not stable at the moment went there as an option, and got disabled by default. This includes:
</p>
<ul>
<li>Plugin bridges</li>
<li>Wine options</li>
<li>Force-stereo mode</li>
<li>Canvas eye-candy</li>
<li>Canvas with OpenGL</li>
</ul>
<p>
All new in-development / testing features will get introduced as experimental first.<br/>
This will speed up the release of 2.0, since not everything needs to be finished for it.<br/>
For example, plugin bridges can still be there and not fully implemented, and we still have 2.0-stable out!
</p>
<p>
That's it! Thanks for reading so far.<br/>
In other news, I gave a small presentation about Carla in this year's Sonoj Conference.<br/>
You can check it out here:<br/>
<a target="_blank" href="https://media.ccc.de/v/sonoj2017-1704-carla-plugin-host">
https://media.ccc.de/v/sonoj2017-1704-carla-plugin-host
</a>
</p>
<p>
Carla 2.0-beta6 will be out soon :)
</p>

<hr/>

<p>
<span style="font-size: 20px">&gt; DPF-Plugins v1.1 released</span><br/>
On <i>2017-06-17</i> by<i> falkTX</i>


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</div>


<!--
TODO: (no ui, broken?)

TODO: (no ui)
foo-plugins
jackass
leet-plugins
midimsg-lv2
tap-plugins
vcf-plugins
vocoder-ladspa
wasp-ladspa
midimsg-lv2

rubberband-ladspa
ste-plugins

whysynth
wsynth-dssi
xsynth-dssi

drmr
ir.lv2 | ir.lv2-1.2
linuxsampler-lv2 | linuxsampler-lv2-32chan
caps-lv2
invada-studio-plugins-lv2
fomp
mod-mda-lv2 | mda-lv2
swh-lv2
tap-lv2
x42-plugins
artyfx
fabla
sorcer
arctican-plugins-lv2
dexed-lv2
distrho-plugin-ports-lv2
drowaudio-plugins-lv2
easyssp-lv2
klangfalter-lv2
luftikus-lv2
obxd-lv2
pitcheddelay-lv2
tal-plugins-lv2
teragonaudio-plugins-lv2
mod-distortion
mod-pitchshifter
mod-utilities

jackass
pizmidi-plugins

TODO: (with ui)
ams-lv2
beatslash-lv2
calf-git
cursynth
deteriorate-lv2
dssi-vst
guitarix (*)
hexter
ir.lv2
ls16 ?
phasex


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