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@@ -13,353 +13,175 @@ include_once("includes/header.php"); |
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On <i>2020-07-16</i> by<i> falkTX</i> |
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</p> |
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<p> |
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Hello again everyone, it is release day! <i>(casually late again, but only 1 day late this time, yay progress!)</i><br/> |
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Hello again everyone, it is release day! <i>(casually late again, but only 3 days late this time, yay progress!)</i><br/> |
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</p> |
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<p> |
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This is the announcement of the first release candidate of Carla 2.2.<br/> |
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Carla is a fully-featured cross-platform audio plugin host, which itself can also run as a plugin.<br/> |
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As done with 2.1, there is no beta release for v2.2 and we are going straight into a release candidate. |
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</p> |
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<p> |
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There are not many graphical changes, but many under the hood.<br/> |
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Contrary to previous releases, there were not many graphical changes this time, but lots of stuff under the hood.<br/> |
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One very important note for developers is that the "native" API to access carla as plugin (as used by LMMS) |
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is still ABI and API-wise backwards compatible with 2.0, but ABI and API of Carla as a library is not.<br/> |
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All the host functions now have a "handle" prefix, so they can be reused for standalone, plugin and other variants. |
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is still ABI and API-wise backwards compatible with 2.0, but the ABI and API of Carla as a library is not.<br/> |
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This is because all host functions now have a "handle" prefix, so they can be reused for standalone, plugin and other variants. |
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</p> |
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<p> |
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With that said, let's go through what's new, first the bigger changes and small stuff for last. |
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Now with that said, let's go through what's new, first the bigger changes and smaller stuff for last. |
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</p> |
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linux vst3 plugin support |
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patchbay positions |
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Add 2x and 4x zoom save image actions, compress output |
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Add action to copy canvas as image to clipboard |
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Set correct Carla-VST UI size based on scale factor |
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Fully Scalable UI Part 1 (leds, what else? |
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Fixup icons |
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Make pixmapkeyboard right-click menu a bit better |
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Fix creation of a rack when one of the parameters is a NaN |
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Some attention to inline display ? |
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Use newlocale methods in CarlaScopedLocale to be thread-safe |
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Ignore errors from non-native vst3 files |
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Force discovery to be in "C" (english) so we can parse errors |
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Fix for vst2 plugins that crash on init |
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Check for updated program names during audioMasterUpdateDisplay |
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Change the way plugins are deleted, ensure they are not being used |
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Add --cnprefix arg, for client name prefix; Set it also when needed |
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New internal CLI arg "--osc-gui=" |
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Add script used to test carla-plugin as standalone |
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Add script to test carla-osc usage locally |
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Start checking python code with pylint, adjust some already |
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Implement NSM :optional-gui: |
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libjack: Implement client name uuid stuff, port search requests, integrate with nsm optional-gui, fix under clang and maybe other systems |
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Allow all MIDI options in jack-apps |
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Make add-jack interposer work for builds without X11 |
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haiku working build, but no audio yet |
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Better handle case of JACK server stop (or killed) |
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Add API to know current project folder |
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Better handle lv2 map/make path, now based on project dir |
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More work for LV2 state path, symlinks and move/copy when needed |
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Check for state:threadSafeRestore on lv2 plugins; More debug paths |
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Allow to set custom prefix for jack clients, use it under NSM |
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Allow to change plugin window title dynamically |
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Fix modguis for carla host changes and new tornado |
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sfzero: fix crash on multi-line c-style comments |
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Fix SFZ rescan adding all files again each time |
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Raise limit of plugins that can be loaded (512 default, 64 in rack) |
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Tweaks to loading external patchbay data into internal one |
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carla-plugin: Only export exactly the symbols that we need |
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Add a few more details to lv2 plugin version, passes lv2lint |
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Fix SF2 default polyphony |
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Add a 12400x9600 canvas size |
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Keep current edit-dialog tab state while reloading parameters |
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Always use maximum amount of channels for VST2 plugins |
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Show current mapped type+value directly together with parameter |
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Initial implementation of MIDI learn (per plugin, not global) |
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Implement MIDI CC and CV source parameter changes for bridges |
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Increase lfo max value, so we can get real slow |
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Add desktop files with hidden status for all carla variants |
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Show canvas tab in jack-single or multi modes under NSM |
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Remove X-NSM-capable from main carla desktop file, forcing variants |
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carla-jack-multi should always show canvas |
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<br/> |
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<table><tr><td width="50%"> |
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<a href="/screenshots/news/carla-2.1_high-dpi.png"> |
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<img src="/screenshots/news/carla-2.1_high-dpi.png" style="max-width:100%;height:auto;" alt="settings"/> |
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<table><tr><td width="40%"> |
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<a href="/screenshots/news/carla-2.2_multi-client.png"> |
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<img src="/screenshots/news/carla-2.2_multi-client.png" style="max-width:100%;height:auto;" alt="settings"/> |
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</a> |
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</td><td width="50%"> |
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<h3>High-DPI support (work in progress)</h3> |
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</td><td width="60%"> |
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<h3>Multi-Client + multi-instance improvements</h3> |
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<p> |
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Initial work was done to support high-DPI screens.<br/> |
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Note that this was not tested very extensively, due to lack of proper hardware, but the requirements in terms of code are all there.<br/> |
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There are still a few "normal" resolution bitmaps in use, to be replaced in future releases.<br/> |
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You can click on the screenshot on the left to see Carla rendered at 3x the resolution.<br/> |
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<br style="line-height:0.75em"/> |
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So for now, the situation is: |
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In order to allow multiple instances of Carla to work without conflicts, |
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proper JACK multi-client multi-instance support was implemented.<br/> |
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What this means is that you can have a name prefix for all plugins when in JACK multi-client mode, |
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so that it is easier to understand where a plugin belongs to.<br/> |
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</p> |
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<ul> |
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<li>Most of the icons changed to scalable format</li> |
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<li>UI will scale with the desktop automatically, as Qt takes care of that for us</li> |
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<li>Some bitmaps still remain, to be replaced by vector images in a future release</li> |
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<li>Not extensively tested, feedback is welcome</li> |
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</ul> |
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</td></tr></table> |
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<br/> |
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<table><tr><td width="50%"> |
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<a href="/screenshots/news/carla-2.1_cv-stuff.png"> |
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<img src="/screenshots/news/carla-2.1_cv-stuff.png" style="max-width:100%;height:auto;" alt="settings"/> |
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</a> |
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</td><td width="50%"> |
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<h3>Better CV Support</h3> |
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<p> |
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CV ports are now supported in the internal patchbay mode, meaning you do not need to use JACK with Carla in order to use CV plugins. |
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</p> |
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<p> |
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Automable parameters can now be exposed as a CV port, so they can be controlled by regular CV sources or other plugins.<br/> |
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This is a kinda feature preview, as there are some limitations at the moment: |
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</p> |
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<ul> |
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<li>Parameter changes are not sample accurate<br/>(in a later version, Carla will split buffer up to 32 frames for more fine-grained control changes)</li> |
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<li>Not all plugin formats and parameter types are allowed to be controlled this way<br/>(to be extended as I test more compatibility)</li> |
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<li>Only available for parameter inputs, not outputs</li> |
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</ul> |
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<p> |
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In order to make CV more useful by default, a new internal "MIDI to CV" plugin was added, originally created by Bram Giesen.<br/> |
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More plugins will be added as needed, for now I recommend to use |
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<a href="https://github.com/blablack/ams-lv2" target="_blank">ams-lv2</a> |
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and |
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<a href="https://github.com/moddevices/mod-cv-plugins" target="_blank">mod-cv-plugins</a> |
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as they already do a lot.<br/> |
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</p> |
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<p> |
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Also, a new variant of Carla as plugin was created that provides audio, MIDI and 5 CV ports (for each side).<br/> |
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This allows CV signals to flow in and out of Carla as a plugin. |
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</p> |
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</td></tr></table> |
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<br/> |
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<table><tr><td width="50%"> |
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<a href="/screenshots/news/carla-2.1_windows.png"> |
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<img src="/screenshots/news/carla-2.1_windows.png" style="max-width:100%;height:auto;" alt="settings"/> |
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</a> |
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</td><td width="50%"> |
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<h3>Proper theme and Carla-Control for Windows</h3> |
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<p> |
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The Windows build stack changed from using official Python and PyQt5 packages to msys ones, allowing us to link against them using mingw (Carla does not support MSVC)<br/> |
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This makes it possible to use the proper "pro" theme like Linux and macOS already did, and also get Carla-Control finally working on Windows. |
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Starting with v2.2, extra Carla instances will get a dedicated JACK client name suffix.<br/> |
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On projects created with v2.2 and above, Carla will know which saved connections belong to which plugins, |
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making it possible to load a session correctly where multiple Carla instances are involved. |
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</p> |
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<p> |
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Previously, the Carla Windows builds were using Qt's "fusion" theme (which the Carla "pro" theme is based on), which looks very similar but misses all of custom tweaks made for Carla.<br/> |
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This includes, for example, preventing pop-up menus from taking the entire screen or ugly thick lines being drawn where a small one was expected. |
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As a way to make this easier to manage and control, a new command-line argument was added, "--cnprefix=...".<br/> |
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So now you can have a dedicated Carla instance that has its created JACK clients more globally recognisable. |
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</p> |
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<p> |
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A small but important step towards cross-platform feature parity. \o/ |
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Also, when Carla runs under NSM, the JACK client name prefix is set automatically (coming from NSM).<br/> |
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This is not enabled when loading pre-2.2 projects though, in order to keep backwards compatibility. |
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</p> |
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</td></tr></table> |
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<br/> |
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<table><tr><td width="50%"> |
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<a href="/screenshots/news/carla-2.1_mac-vst.png"> |
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<img src="/screenshots/news/carla-2.1_mac-vst.png" style="max-width:100%;height:auto;" alt="settings"/> |
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<table><tr><td width="40%"> |
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<a href="/screenshots/news/carla-2.2_linux-vst3.png"> |
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<img src="/screenshots/news/carla-2.2_linux-vst3.png" style="max-width:100%;height:auto;" alt="settings"/> |
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</a> |
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</td><td width="50%"> |
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<h3>VST2 plugin for macOS and Windows, plus exposed parameters</h3> |
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<p> |
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This is the final item that was missing for cross-platform feature parity.<br/> |
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We now have Carla as VST2 plugin running on both macOS and Windows! |
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</p> |
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</td><td width="60%"> |
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<h3>Linux VST3 plugin support</h3> |
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<p> |
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Embedding of the full GUI on these systems is not possible, so a small "middleware" window is shown as the plugin custom UI.<br/> |
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Not the best experience, but allows Carla to finally work as VST2.<br/> |
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As new VST2 plugins can no longer be officially licensed and VST2 is very, very, very slowing being phased out, it is important to have VST3 support.</br> |
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</p> |
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<p> |
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Additionally, 100 parameters are exposed to the host, dynamically used in the order of the plugins loaded.<br/> |
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So for example, if the first plugin in the rack has 20 parameters, the first 20 parameters of carla-vst will be mapped to that plugin.<br/> |
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This continues in order for the remaining plugin parameters until we reach 100 of them. |
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So now you can now scan and load Linux VST3 plugins under Carla.</br> |
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It is no longer limited to macOS and Windows.</br> |
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</p> |
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<p> |
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When Carla is loaded as an internal plugin, parameters will be dynamically available too.<br/> |
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This feature is not available in the LV2 version of Carla though, at least not yet. |
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</p> |
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<p> |
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Note: Carla plugins are not "notarized" yet, so they will not run under latest macOS 10.15/Catalina where this is a requirement. |
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Worth noting is that this is not a custom implementation, but leveraging JUCE VST3 host support on Linux.</br> |
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It recently got supported as part of their JUCE6 update.</br> |
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There are no plans for a custom implementation at this point. |
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</p> |
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</td></tr></table> |
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<br/> |
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<table><tr><td width="50%"> |
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<a href="/repo/screenshots/carla-vst-wine.png"> |
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<img src="/repo/screenshots/carla-vst-wine.png" style="max-width:100%;height:auto;" alt="settings"/> |
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</a> |
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</td><td width="50%"> |
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<h3>Wine-native bridge, sorta experimental</h3> |
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<p> |
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This is a way to load Linux binaries under Windows applications running with Wine, in case you need that for some reason<br/> |
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Personally I made it so that I could run the native Carla inside FL Studio, which allows me to use its sequencer but not have to deal with Windows plugins. |
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</p> |
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<p> |
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This is available in the KXStudio repositories as "carla-vst-wine" package, you need to copy /usr/lib/winvst/Carla* into your Wine VST dll folder to make it work.<br/> |
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It requires Carla to be installed system-wide, so it cannot work if Carla is downloaded manually. |
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</p> |
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<p> |
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Building it is kinda tricky, as it requires building a native-windows dll first, and then a few things with winegcc...<br/> |
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Packager documentation will be added soon to Carla's source code repository, so other Linux distributions can pick it up.<br/> |
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</p> |
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<p> |
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I demoed this feature at Sonoj last year (2019), you can watch it as the 3rd part of <a href="https://media.ccc.de/v/sonoj2019-1914-carla-magic" target="_blank">this video</a>. |
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</p> |
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</td></tr></table> |
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<table><tr><td width="50%"> |
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<a href="/screenshots/news/carla-2.1_add-plugin.png"> |
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<img src="/screenshots/news/carla-2.1_add-plugin.png" style="max-width:100%;height:auto;" alt="settings"/> |
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</a> |
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</td><td width="50%"> |
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<h3>Refreshed add-plugin dialog and favorite plugins</h3> |
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<p> |
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The add-plugin dialog had a major overhaul, now looking much better and with more content visible at once.<br/> |
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Target was to improve the user experience, making clear that there are filters available. (it was not so obvious in previous versions) |
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</p> |
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<p> |
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The star on the most-left section of the table is to mark a plugin as a favorite, which will add it as a shortcut to the right-click menus on empty rack and patchbay areas. |
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</p> |
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</td></tr></table> |
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<h3>Small UI/UX improvements all around</h3> |
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<table><tr><td width="50%"> |
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<a href="/screenshots/news/carla-2.1_params.png"> |
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<img src="/screenshots/news/carla-2.1_params.png" style="max-width:100%;height:auto;" alt="settings"/> |
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</a> |
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</td><td width="50%"> |
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<h3>Single-page and grouped plugin parameters</h3> |
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<p> |
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The dialog for the generic plugin parameter view also had an update.<br/> |
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All parameters are now placed in the same tab (separated only by input and output types), and grouped when supported by the plugin.<br/> |
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The options for mapping a parameter to a MIDI CC were taken out and replaced by a button that triggers a menu with the relevant options. |
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</p> |
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<p> |
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Note that, at the moment, only a few LV2 plugins support parameter groups.<br/> |
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This is because most hosts do not support this feature, so plugins do not have many incentives to support such a thing.<br/> |
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And with not a lot of plugins supporting it, hosts also do not care that much. The usual circular dependency deal...<br/> |
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But since the feature applies quite nicely to Carla, made sense to add it. |
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</p> |
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<p> |
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The group can be collapsed by clicking on it. |
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</p> |
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<p> |
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A similar feature will be added to the patchbay in a later release, so we can group audio ports too. :) |
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</p> |
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</td></tr></table> |
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<h3>More UI changes</h3> |
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<p> |
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The rack items will dynamically show as many knobs as possible<br/> |
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You can now change the "skin" and color of any rack item, making it easy to identify certain plugins<br/> |
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Added buffer-size, sample-rate and xrun information to the status; clicking on the xrun counter will reset it to zero<br/> |
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</p> |
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<h5>Canvas changes</h5> |
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<p> |
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Right-clicking on a canvas group will show options for quickly connecting all ports to another group<br/> |
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Many small tweaks and fixes, plus a few extra actions, as contributed by Nikita Zlobin (to be documented on the user manual)<br/> |
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Support for Ardour-style inline-displays, marked experimental in this release (sadly cannot be made stable until Carla v3.0)<br/> |
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</p> |
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<div style="display:flex;align-content:baseline;text-align:center;flex-wrap:wrap;"> |
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<table style="width:420px;"> |
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<tr><td> |
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<a href="/screenshots/news/carla-2.2_uiux-keyboard.png"> |
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<img src="/screenshots/news/carla-2.2_uiux-keyboard.png" style="max-width:100%;height:auto;" alt="settings"/> |
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</a> |
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</td></tr> |
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<tr><td> |
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<p> |
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The built-in keyboard right-click menu got a bit better.<br/> |
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Everything is presented in a single menu, no more sub-menus are used. |
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</p> |
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</td></tr> |
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</table> |
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<table style="width:420px;"> |
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<tr><td> |
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<a href="/screenshots/news/carla-2.2_uiux-mappedparam.png"> |
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<img src="/screenshots/news/carla-2.2_uiux-mappedparam.png" style="max-width:100%;height:auto;" alt="settings"/> |
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</a> |
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</td></tr> |
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<tr><td> |
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<p> |
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The plugin built-in editor dialog now shows the currently mapped parameter type+value directly.<br/> |
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No more clicking around needed to find out what the parameter is mapped to. |
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</p> |
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</td></tr> |
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</table> |
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<table style="width:420px;"> |
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<tr><td> |
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<a href="/screenshots/news/carla-2.2_uiux-midilearn.png"> |
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<img src="/screenshots/news/carla-2.2_uiux-midilearn.png" style="max-width:100%;height:auto;" alt="settings"/> |
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</a> |
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</td></tr> |
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<tr><td> |
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<p> |
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MIDI learn implemented, triggered via parameter mapping menu.<br/> |
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Note that this is per plugin, not global, due to how Carla handles each plugin individually. |
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</p> |
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</td></tr> |
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</table> |
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<div style="width:390px;"> |
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<h5>Other "quality of life" improvements:</h5> |
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<ul style="text-align:left;"> |
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<li>Added a 12400x9600 canvas size</li> |
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<li>Added a 2x and 4x canvas image export mode</li> |
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<li>Added a menu action to save current Carla canvas as image in the clipboard</li> |
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<li>Canvas positions are now always saved and restored, including in the plugin version</li> |
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<li>Canvas positions are kept in sync across multiple Carla JACK instances and even Carla-Control</li> |
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<li>Built-in plugin edit dialog tab state is kept when parameters are reloaded</li> |
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<li>Implemented NSM "optional-gui"</li> |
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<li>Plugin custom GUI Window title changes dynamically when renamed</li> |
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</ul> |
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</div> |
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</div> |
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<h5>Carla-control and OSC rework</h5> |
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<p> |
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Carla's OSC support has been reworked, now has its own dedicated page in the settings.<br/> |
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Carla-Control has been extended to support all non-local-dependent features of the main Carla (like patchbay management and transport controls).<br/> |
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This will be extended even further in future releases.<br/> |
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</p> |
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<br/> |
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<h5>AU and VST3 support is back, by leveraging JUCE</h5> |
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<p> |
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Disabled during a previous 2.0 beta release, support for the JUCE library was removed and replaced by a heavily stripped-down version of it. (while it was still GPlv2 licensed)<br/> |
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The reasons for that decision still remain relevant, but in order to keep in mind with Carla's goals, I decided to add back JUCE support - but now completely optional.<br/> |
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It will always be possible to build Carla without JUCE, it is only used for extra hardware and plugin format support.<br/> |
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In fact, Linux builds by default do not use it, as there is no need for it. |
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</p> |
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<h3>Other notable changes</h3> |
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<ul> |
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<li>Added a "carla-osc-gui" script that starts a Carla instance in the background and connects to it using OSC.<br/> |
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Closing the GUI does not close the engine, and it can be run again to reconnect later on. |
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</li> |
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<li>Always use maximum amount of channels for VST2 plugins</li> |
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<li>Better handle the case of JACK server stop (or killed)</li> |
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<li>Better implementation of LV2 state path, now saving files in the same directory as the Carla project</li> |
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<li>Changed the way plugins are deleted, so they are now safely deleted only when no longer in use</li> |
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<li>Implement MIDI CC and CV source parameter changes for bridges</li> |
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<li>Improve the (still experimental) JACK-apps-as-plugins implementation, |
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now mapping show/hide gui to NSM commands, sending arbitrary MIDI events and making it work on more systems</li> |
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<li>Increase max value of the internal LFO plugin, so we can get reeeeeeeal slow</li> |
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<li>Raise limit of plugins that can be loaded (512 default, 64 in rack)</li> |
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<li>Tweaks for automatically converting internal Patchbay mode projects in JACK multi-client mode and vice-versa</li> |
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<li>Working HaikuOS build, but no audio support yet</li> |
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</ul> |
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<p> |
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Anyway, the published macOS and Windows Carla builds do use JUCE, which means Carla supports VST3 under macOS and Windows, and AU under macOS.<br/> |
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As a bonus, it is now possible to show the custom control panel of ASIO devices. :) |
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</p> |
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<p> |
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Worth noting is that JUCE does not support VST3 under Linux at this point, so neither does Carla even if you build it yourself with JUCE enabled. |
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Many other bug-fixes and small under-the-hood improvements (too many to list here).<br/> |
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See the |
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<a href="https://github.com/falkTX/Carla/commits/master?after=783352477fec5f135f2040afd09257d68211ca73+8" target="_blank"> |
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git log</a> |
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for the full list of changes. |
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</p> |
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<h3>Other changes</h3> |
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<h3>Notes for users</h3> |
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<p> |
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Within a bunch of small fixes and new implementations, here are some changes that deserve to be mentioned:<br/> |
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When using JACK, the newly added features around the canvas require at least JACK v1.9.13.<br/> |
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This is because Carla relies on JACK meta-data in order to store information about each plugin/client, |
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and meta-data was only added to JACK2 in version 1.9.13.<br/> |
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Alternatively, you can use JACK1 instead of JACK2, which has meta-data support since a long time. |
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</p> |
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<ul> |
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<li>Carla now requires Qt5, can no longer work with Qt4; but can still use LV2 Qt4 UIs with its built-in bridges</li> |
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<li>NSM is now supported for JACK applications</li> |
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<li>Added a 16 MIDI port mode for JACK applications</li> |
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<li>Added "Cancelable actions" during project and plugin bridges load, so they will no longer time-out; instead the user has the option to cancel them at anytime</li> |
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<li>Initial support for LV2 parameter API</li> |
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<li>Initial support for LV2 file paths, assuming plugin has no custom UI (click on the show-gui button to open a file dialog)</li> |
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</ul> |
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<h3>Notes for developers and packagers</h3> |
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<ul> |
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<li>Linking against the JACK library directly is now possible by using `make JACKBRIDGE_DIRECT=true`, which allows for building Carla as an internal client</li> |
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</ul> |
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<h3>Notes for users</h3> |
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<p> |
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The code for scanning plugins had a little rework, again, making some internal data structures change.<br/> |
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The code for scanning plugins had a little rework yet again, making some internal data structures change.<br/> |
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Because of this, a full rescan of your plugins is needed after the update.<br/> |
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This should fix previously missing plugins that happened in v2.1.<br/> |
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</p> |
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<h3>Downloads</h3> |
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|
@@ -369,29 +191,11 @@ carla-jack-multi should always show canvas |
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Bug reports and feature requests are welcome! Jump on over to the <a href="https://github.com/falkTX/Carla" class="external free" rel="nofollow" target="_blank">Carla's Github project</a> page for those. |
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</p> |
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<h3>Future and final notes</h3> |
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<p> |
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I have started a change of the Carla's frontend coding language, from Python to C++ (for performance, reliability and debugging reasons).<br/> |
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|
There are a few canvas related things, currently experimental, that can never be made stable or fast due to how Python/PyQt works.<br/> |
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|
Also Carla is not scaling very well at the moment, and the addition of CV controlled parameters and inline-displays does not help its case.<br/> |
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So a move of the entire frontend to C++ makes quite a lot of sense.<br/> |
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Whenever this is finished a new release will be made.<br/> |
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|
But it is going to be something that, even though means a lot behind the scenes, visibly nothing will change. (except performance)<br/> |
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Because of this, do not expect many UI related changes in Carla for the time being. |
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</p> |
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<h3>Final note</h3> |
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|
<p> |
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|
|
A user manual for Carla has been started.<br/> |
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|
|
It proved to be quite helpful for development too, as I had to justify why things are the way they are, and explain how they work too.<br/> |
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|
|
Now that Carla UI should not change too much for a while, it is the right time for such thing.<br/> |
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I personally dislike writing such things, but understand it can be quite useful.<br/> |
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|
The work-in-progress manual is at <a href="https://kx.studio/Documentation:Manual:Carla">https://kx.studio/Documentation:Manual:Carla</a>.<br/> |
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|
|
(Not much to see there at the moment though, give me time) |
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</p> |
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|
<p> |
|
|
|
That's it.<br/> |
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|
|
Please remember that this is a release candidate, and not the final release.<br/> |
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|
|
Some issues are expected, I will do my best to fix all reports that get to me.<br/> |
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|
|
If I don't know about the issues though, I can't fix them. So please report any issues you find, thanks! |
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|
|
Just a reminder that this is a release candidate, and not the final release yet.<br/> |
|
|
|
I did my best to fix all issues that I was able to reproduce, but some can still happen.<br/> |
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|
|
Please let me know if find any, thanks! |
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</p> |
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<hr/> |
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