Set SF2 voice tuning relative to initial value (#6924)

This commit is contained in:
Dominic Clark
2023-10-10 21:33:50 +01:00
committed by GitHub
parent 84aca0a2d2
commit 21dc88c37a

View File

@@ -73,8 +73,8 @@ Plugin::Descriptor PLUGIN_EXPORT sf2player_plugin_descriptor =
}
/**
* A non-owning reference to a single FluidSynth voice, for tracking whether the
* referenced voice is still the same voice that was passed to the constructor.
* A non-owning reference to a single FluidSynth voice. Captures some initial
* properties of the referenced voice to help manage changes to it over time.
*/
class FluidVoice
{
@@ -82,12 +82,16 @@ public:
//! Create a reference to the voice currently pointed at by `voice`.
explicit FluidVoice(fluid_voice_t* voice) :
m_voice{voice},
m_id{fluid_voice_get_id(voice)}
m_id{fluid_voice_get_id(voice)},
m_coarseTune{fluid_voice_gen_get(voice, GEN_COARSETUNE)}
{ }
//! Get a pointer to the referenced voice.
fluid_voice_t* get() const noexcept { return m_voice; }
//! Get the original coarse tuning of the referenced voice.
float coarseTune() const noexcept { return m_coarseTune; }
//! Test whether this object still refers to the original voice.
bool isValid() const
{
@@ -97,6 +101,7 @@ public:
private:
fluid_voice_t* m_voice;
unsigned int m_id;
float m_coarseTune;
};
struct Sf2PluginData
@@ -740,7 +745,7 @@ void Sf2Instrument::playNote( NotePlayHandle * _n, sampleFrame * )
const auto detuning = _n->currentDetuning();
for (const auto& voice : data->fluidVoices) {
if (voice.isValid()) {
fluid_voice_gen_set(voice.get(), GEN_COARSETUNE, detuning);
fluid_voice_gen_set(voice.get(), GEN_COARSETUNE, voice.coarseTune() + detuning);
fluid_voice_update_param(voice.get(), GEN_COARSETUNE);
}
}