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46 commits

Author SHA1 Message Date
Robbert van der Helm e8fd18ab80 Completely reword the audio IO layout system 
Instead of a VST3-style polling function to test if a plugin supports a
certain layout, the plugin now explicitly enumerates the supported
layouts. This aligns better with non-VST3 plugin formats.
 2023-02-20 16:57:32 +01:00
Robbert van der Helm d6184ea06e Replace VST3 category string with enum slice 
I've been putting this off for a while, but now is finally the day. We
already did this for CLAP a while back. This is both simpler and less
error prone.
 2023-02-01 16:09:03 +01:00
Robbert van der Helm c8ed795524 Add a SysExMessage type to Plugin 
This is needed to enable sending and receiving SysEx #54. Because
associated type defaults still are not stable, this requires every
plugin that doesn't need this to set this to the unit type:

```rust
type SysExMessage = ();
```
 2023-01-31 18:18:41 +01:00
Robbert van der Helm a7e425581f Use CARGO_PKG_VERSION for plugin versions 
Instead of duplicating this. Means that plugin versions only need to be
updated in the Cargo.toml file.
 2022-11-11 03:15:05 +01:00
Robbert van der Helm 5ea2377c18 Replace AsyncExecutor with simple closure 
This makes everything much simpler. The task type is now defined
directly on `Plugin`.
 2022-10-22 02:01:03 +02:00
Robbert van der Helm 84f834abb6 Add AsyncExecutor support to ProcessContext 2022-10-22 02:01:03 +02:00
Robbert van der Helm 6ffa23971e Add AsyncExecutor support to InitContext 2022-10-22 00:21:08 +02:00
Robbert van der Helm 297ad2a83e Add an AsyncExecutor associated type to Plugin 
This will make it possible to run background tasks in a type safe way.
Sadly, this does mean that every plugin now needs to define the type
alias and constructor function since Rust does not yet support defaults
for associated types.
 2022-10-21 23:52:46 +02:00
Robbert van der Helm 1a706ea1c7 Rename DEFAULT_NUM_INPUTS and DEFAULT_NUM_OUTPUTS 2022-08-19 14:34:21 +02:00
Robbert van der Helm 7cd7294b22 Make CLAP descriptions and special URLs optional 
This closes #14.
 2022-07-04 12:46:34 +02:00
Robbert van der Helm bfc472e49b Introduce a new enum for CLAP features 
Based on the new CLAP 0.26 clap-features.h.
 2022-06-02 01:16:30 +02:00
Robbert van der Helm 6996fdaed1 Update features names for CLAP 0.26 2022-06-02 00:52:13 +02:00
Robbert van der Helm ee900f74c2 Support auxiliary inputs and outputs for CLAP 
This does not yet work for VST3. You'll always get empty slices there.
 2022-05-27 02:30:57 +02:00
Robbert van der Helm b2e6bd5515 Create a separate InitContext 
Only a couple of these functions would be needed during initialization.
In the next couple commits ProcessContext will get a way to access
auxiliary IO, so this really had to be separated.
 2022-05-27 01:17:15 +02:00
Robbert van der Helm 535ae1260e Remove now unnecessary explicit dyn casts 
Rust-analyzer used to not infer this, seems like now it does.
 2022-05-24 23:55:48 +02:00
Robbert van der Helm 0459405ced Remove STFT example readme 
This hasn't been using fftw for a while now so it's no longer relevant.
 2022-05-20 03:23:57 +02:00
Robbert van der Helm c5841cbe33 Add missing latency compensation in STFT example 
The latency introduced by the linear phase filter wasn't compensated
for.
 2022-05-08 03:14:56 +02:00
Robbert van der Helm 6400e2d71d Fix gain compensation in new STFT example 2022-05-08 02:25:44 +02:00
Robbert van der Helm 3fe24e7dc6 Use more typical convolution FFT in STFT example 2022-05-08 02:22:36 +02:00
Robbert van der Helm 55eeb689dd Add a padding option to StftHelper 2022-05-08 02:12:37 +02:00
Robbert van der Helm 58d7dc034c Fix gain compensation in STFT examples 2022-04-28 17:24:35 +02:00
Robbert van der Helm e35886c216 Move window function handling out of StftHelper 
And apply the window function only once at the end of the process
function for the plugins that used it.
 2022-04-28 17:20:39 +02:00
Robbert van der Helm cab0af5153 Add explicit dyn trait casts 
So Rust Analyzer stops complaining.
 2022-04-15 19:31:38 +02:00
Robbert van der Helm eb5b81fcac Remove MidiInput::None from nontrivial examples 
Since it's the default, makes the examples a bit shorter.
 2022-04-11 18:02:55 +02:00
Robbert van der Helm 1141616466 Replace ACCEPTS_MIDI bool with new enum 
So we can gate future MIDI CC support behind an additional option since
this involves more work on the VST3 side.
 2022-04-07 20:27:37 +02:00
Robbert van der Helm 083885a40c Rework Params trait API with Arc instead of Pin 
This is a breaking change requiring a small change to plugin
implementations.

The reason why `Pin<&dyn Params>` was used was more as a hint to
indicate that the object must last for the plugin's lifetime, but `Pin`
doesn't enforce that. It also makes the APIs a lot more awkward.
Requiring the use of `Arc` fixes the following problems:

- When storing the params object in the wrapper, the `ParamPtr`s are
  guaranteed to be stable.
- This makes it possible to access the `Params` object without acquiring
  a lock on the plugin, this is very important for implementing
  plugin-side preset management.
- It enforces immutability on the `Params` object.
- And of course the API is much nicer without a bunch of unsafe code to
  work around Pin's limitations.
 2022-04-07 15:31:46 +02:00
Robbert van der Helm b4ff09ca33 Get rid of unnecessary RustFFT scratch buffer 2022-03-28 17:45:46 +02:00
Robbert van der Helm 80c3fb8d51 Swap fftw in the stft example out for realfft 
The FFTW bindings can't statically link on Windows.
 2022-03-28 17:13:23 +02:00
Robbert van der Helm 36d54edae7 Add a constant for sample accurate automation 2022-03-10 18:57:17 +01:00
Robbert van der Helm bda8ecfb23 Add a biquad for low- and high-pass filters 2022-03-09 13:24:57 +01:00
Robbert van der Helm be39e19365 Allow FFTW to destroy input arrays 
Since they're scratch buffers anyways.
 2022-03-08 13:50:45 +01:00
Robbert van der Helm fd8bd025c8 Implement the reset function everywhere 2022-03-08 00:44:10 +01:00
Robbert van der Helm 115d03a34a Make the window size for configurable 2022-03-07 21:19:38 +01:00
Robbert van der Helm 376c1d7b0a Fix gain compensation in STFT example 2022-03-07 02:04:47 +01:00
Robbert van der Helm b06e67bde7 Supper non-buffer and non-sidechain inputs in STFT 2022-03-06 22:26:37 +01:00
Robbert van der Helm e61a42e96f Revert windowing change from 93ab08e 
This is actually needed to prevent spectral leakage from IDTFs with
small window sizes.
 2022-03-06 19:17:42 +01:00
Robbert van der Helm 93ab08e5d5 Remove post-IDFT windowing in STFT helper 
There's no reason to.
 2022-03-06 19:08:04 +01:00
Robbert van der Helm 175030b77c Fix STFT example filter normalization 2022-03-06 18:56:07 +01:00
Robbert van der Helm 0f78b02685 Add a simple filter example with FFTW 2022-03-06 17:54:23 +01:00
Robbert van der Helm 601ced9363 Add a license note on the STFT example 2022-03-06 16:14:04 +01:00
Robbert van der Helm d7ea21f597 Fix clippy lints 2022-03-06 15:41:35 +01:00
Robbert van der Helm 2343485c1c Don't do gain compensation in STFT helper 
You'll likely want to add some scaling yourself anyways, so this would
just be a wasted operation since the scaling also depends on your window
function.
 2022-03-06 15:36:24 +01:00
Robbert van der Helm e72203f919 Use the new overlap-add helper in the STFT example 
Still without any proper FFT stuff.
 2022-03-06 15:28:53 +01:00
Robbert van der Helm 592a908132 Fix samples until next window calculation 2022-03-06 15:11:42 +01:00
Robbert van der Helm 3c62670164 Add proper overlap-add to the StftHelper 
Doesn't make much sense without it.
 2022-03-06 14:33:30 +01:00
Robbert van der Helm b416d1630b Add the basis for a simple STFT example 
Right now it doesn't do any FFT operations yet, but all the pieces are
in place using the new STFT helper.
 2022-03-06 02:07:53 +01:00