From 44f42d7e023d32e742a3b0bc1af2d9a591781c4f Mon Sep 17 00:00:00 2001 From: Robbert van der Helm Date: Mon, 4 Jan 2021 22:06:05 +0100 Subject: [PATCH] Add a proxy class for IAudioPresentationLatency --- meson.build | 2 + src/common/serialization/vst3/README.md | 6 +- .../plugin/audio-presentation-latency.cpp | 29 ++++++++ .../vst3/plugin/audio-presentation-latency.h | 74 +++++++++++++++++++ 4 files changed, 108 insertions(+), 3 deletions(-) create mode 100644 src/common/serialization/vst3/plugin/audio-presentation-latency.cpp create mode 100644 src/common/serialization/vst3/plugin/audio-presentation-latency.h diff --git a/meson.build b/meson.build index b8be8d5a..f2e5170b 100644 --- a/meson.build +++ b/meson.build @@ -100,6 +100,7 @@ vst3_plugin_sources = [ 'src/common/serialization/vst3/plug-view/parameter-finder.cpp', 'src/common/serialization/vst3/plug-view/plug-view.cpp', 'src/common/serialization/vst3/plug-frame/plug-frame.cpp', + 'src/common/serialization/vst3/plugin/audio-presentation-latency.cpp', 'src/common/serialization/vst3/plugin/audio-processor.cpp', 'src/common/serialization/vst3/plugin/component.cpp', 'src/common/serialization/vst3/plugin/connection-point.cpp', @@ -164,6 +165,7 @@ if with_vst3 'src/common/serialization/vst3/plug-view/parameter-finder.cpp', 'src/common/serialization/vst3/plug-view/plug-view.cpp', 'src/common/serialization/vst3/plug-frame/plug-frame.cpp', + 'src/common/serialization/vst3/plugin/audio-presentation-latency.cpp', 'src/common/serialization/vst3/plugin/audio-processor.cpp', 'src/common/serialization/vst3/plugin/component.cpp', 'src/common/serialization/vst3/plugin/connection-point.cpp', diff --git a/src/common/serialization/vst3/README.md b/src/common/serialization/vst3/README.md index 5868954f..b491c2d7 100644 --- a/src/common/serialization/vst3/README.md +++ b/src/common/serialization/vst3/README.md @@ -6,9 +6,8 @@ for more information on how the serialization works. The following interfaces are not yet implemented: -- Every interface introduced after VST 3.0.2 with the exceptons of - `IEditController2` and `INoteExpressionController` which has already been - implemented +- Every interface introduced after VST 3.1.0 with the exception of + `INoteExpressionController` which has already been implemented - The [Presonus extensions](https://presonussoftware.com/en_US/developer), although most of these things seem to overlap with newer VST3 interfaces @@ -22,6 +21,7 @@ VST3 plugin interfaces are implemented as follows: | `YaParameterFinder` | `Vst3PlugViewProxy` | `IParameterFinder` | | `YaPlugView` | `Vst3PlugViewProxy` | `IPlugView` | | `Vst3PluginProxy` | | All of the below: | +| `YaAudioPresentationLatency` | `Vst3PluginProxy` | `IAudioPresentationLatency` | | `YaAudioProcessor` | `Vst3PluginProxy` | `IAudioProcessor` | | `YaComponent` | `Vst3PluginProxy` | `IComponent` | | `YaConnectionPoint` | `Vst3PluginProxy` | `IConnectionPoint` | diff --git a/src/common/serialization/vst3/plugin/audio-presentation-latency.cpp b/src/common/serialization/vst3/plugin/audio-presentation-latency.cpp new file mode 100644 index 00000000..2a4f23c6 --- /dev/null +++ b/src/common/serialization/vst3/plugin/audio-presentation-latency.cpp @@ -0,0 +1,29 @@ +// yabridge: a Wine VST bridge +// Copyright (C) 2020-2021 Robbert van der Helm +// +// This program is free software: you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program. If not, see . + +#include "audio-presentation-latency.h" + +YaAudioPresentationLatency::ConstructArgs::ConstructArgs() {} + +YaAudioPresentationLatency::ConstructArgs::ConstructArgs( + Steinberg::IPtr object) + : supported( + Steinberg::FUnknownPtr( + object)) {} + +YaAudioPresentationLatency::YaAudioPresentationLatency( + const ConstructArgs&& args) + : arguments(std::move(args)) {} diff --git a/src/common/serialization/vst3/plugin/audio-presentation-latency.h b/src/common/serialization/vst3/plugin/audio-presentation-latency.h new file mode 100644 index 00000000..bbd4aa16 --- /dev/null +++ b/src/common/serialization/vst3/plugin/audio-presentation-latency.h @@ -0,0 +1,74 @@ +// yabridge: a Wine VST bridge +// Copyright (C) 2020-2021 Robbert van der Helm +// +// This program is free software: you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program. If not, see . + +#pragma once + +#include + +#include "../../common.h" +#include "../base.h" + +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wnon-virtual-dtor" + +/** + * Wraps around `IAudioPresentationLatency` for serialization purposes. This is + * instantiated as part of `Vst3PluginProxy`. + */ +class YaAudioPresentationLatency + : public Steinberg::Vst::IAudioPresentationLatency { + public: + /** + * These are the arguments for creating a `YaAudioPresentationLatency`. + */ + struct ConstructArgs { + ConstructArgs(); + + /** + * Check whether an existing implementation implements + * `IAudioPresentationLatency` and read arguments from it. + */ + ConstructArgs(Steinberg::IPtr object); + + /** + * Whether the object supported this interface. + */ + bool supported; + + template + void serialize(S& s) { + s.value1b(supported); + } + }; + + /** + * Instantiate this instance with arguments read from another interface + * implementation. + */ + YaAudioPresentationLatency(const ConstructArgs&& args); + + inline bool supported() const { return arguments.supported; } + + virtual tresult PLUGIN_API + setAudioPresentationLatencySamples(Steinberg::Vst::BusDirection dir, + int32 busIndex, + uint32 latencyInSamples) override = 0; + + protected: + ConstructArgs arguments; +}; + +#pragma GCC diagnostic pop