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Initial work for host parameters module

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Signed-off-by: falkTX <falktx@falktx.com>
This commit is contained in:
falkTX 2021-10-20 20:37:42 +01:00
parent d989bdcc59
commit c469dbf76b
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GPG key ID: CDBAA37ABC74FBA0
9 changed files with 549 additions and 69 deletions
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50
src/PluginContext.hpp
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@ -33,27 +33,51 @@ START_NAMESPACE_DISTRHO
static constexpr const uint kModuleParameters = 24;
// -----------------------------------------------------------------------------------------------------------
struct CardinalPluginContext : rack::Context {
uint32_t bufferSize;
double sampleRate;
float parameters[kModuleParameters];
Mutex mutex;
Plugin* const plugin;
CardinalPluginContext(Plugin* const p)
: bufferSize(p->getBufferSize()),
sampleRate(p->getSampleRate()),
plugin(p)
{
std::memset(parameters, 0, sizeof(parameters));
}
};
// -----------------------------------------------------------------------------------------------------------
class CardinalBasePlugin : public Plugin {
public:
CardinalPluginContext* const context;
CardinalBasePlugin(uint32_t parameterCount, uint32_t programCount, uint32_t stateCount)
: Plugin(parameterCount, programCount, stateCount) {}
: Plugin(parameterCount, programCount, stateCount),
context(new CardinalPluginContext(this)) {}
~CardinalBasePlugin() override {}
virtual bool isActive() const noexcept = 0;
virtual bool canAssignDevice() const noexcept = 0;
virtual void assignDevice(rack::audio::Device* dev) noexcept = 0;
virtual bool clearDevice(rack::audio::Device* dev) noexcept = 0;
// ensure context validity through UI and setState
Mutex contextMutex;
};
protected:
void bufferSizeChanged(const uint32_t newBufferSize) override
{
context->bufferSize = newBufferSize;
}
// -----------------------------------------------------------------------------------------------------------
struct CardinalPluginContext : rack::Context {
CardinalBasePlugin* const plugin;
CardinalPluginContext(CardinalBasePlugin* const p)
: plugin(p) {}
void sampleRateChanged(const double newSampleRate) override
{
context->sampleRate = newSampleRate;
// context->engine->setSampleRate(newSampleRate);
}
};
// -----------------------------------------------------------------------------------------------------------
@ -144,7 +168,7 @@ struct CardinalAudioDriver : rack::audio::Driver {
CardinalPluginContext* const pluginContext = reinterpret_cast<CardinalPluginContext*>(port->context);
DISTRHO_SAFE_ASSERT_RETURN(pluginContext != nullptr, nullptr);
CardinalBasePlugin* const plugin = pluginContext->plugin;
CardinalBasePlugin* const plugin = reinterpret_cast<CardinalBasePlugin*>(pluginContext->plugin);
DISTRHO_SAFE_ASSERT_RETURN(plugin != nullptr, nullptr);
if (! plugin->canAssignDevice())
@ -168,7 +192,7 @@ struct CardinalAudioDriver : rack::audio::Driver {
CardinalPluginContext* const pluginContext = reinterpret_cast<CardinalPluginContext*>(port->context);
DISTRHO_SAFE_ASSERT_RETURN(pluginContext != nullptr,);
CardinalBasePlugin* const plugin = pluginContext->plugin;
CardinalBasePlugin* const plugin = reinterpret_cast<CardinalBasePlugin*>(pluginContext->plugin);
DISTRHO_SAFE_ASSERT_RETURN(plugin != nullptr,);
if (plugin->clearDevice(device))