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AU Client: Order parameters according to version hint

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reuk 2022-01-24 18:38:48 +00:00
parent 3d38ca764e
commit bb0a40e009
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1 changed files with 40 additions and 3 deletions
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43
modules/juce_audio_plugin_client/AU/juce_AU_Wrapper.mm
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@ -1816,6 +1816,9 @@ private:
Array<AudioUnitParameterID> auParamIDs;
Array<const AudioProcessorParameterGroup*> parameterGroups;
// Stores the parameter IDs in the order that they will be reported to the host.
std::vector<AudioUnitParameterID> cachedParameterList;
//==============================================================================
// According to the docs, this is the maximum size of a MIDIPacketList.
static constexpr UInt32 packetListBytes = 65536;
@ -2037,6 +2040,40 @@ private:
return { {}, {}, {}, kAudioUnitErr_InvalidElement };
}
OSStatus GetParameterList (AudioUnitScope inScope, AudioUnitParameterID* outParameterList, UInt32& outNumParameters) override
{
if (forceUseLegacyParamIDs || inScope != kAudioUnitScope_Global)
return MusicDeviceBase::GetParameterList (inScope, outParameterList, outNumParameters);
outNumParameters = (UInt32) juceParameters.size();
if (outParameterList == nullptr)
return noErr;
if (cachedParameterList.empty())
{
struct ParamInfo
{
AudioUnitParameterID identifier;
int versionHint;
};
std::vector<ParamInfo> vec;
vec.reserve (juceParameters.size());
for (const auto* param : juceParameters)
vec.push_back ({ generateAUParameterID (*param), param->getVersionHint() });
std::sort (vec.begin(), vec.end(), [] (auto a, auto b) { return a.identifier < b.identifier; });
std::stable_sort (vec.begin(), vec.end(), [] (auto a, auto b) { return a.versionHint < b.versionHint; });
std::transform (vec.begin(), vec.end(), std::back_inserter (cachedParameterList), [] (auto x) { return x.identifier; });
}
std::copy (cachedParameterList.begin(), cachedParameterList.end(), outParameterList);
return noErr;
}
//==============================================================================
void addParameters()
{
@ -2053,7 +2090,7 @@ private:
{
for (auto* param : juceParameters)
{
const AudioUnitParameterID auParamID = generateAUParameterID (param);
const AudioUnitParameterID auParamID = generateAUParameterID (*param);
// Consider yourself very unlucky if you hit this assertion. The hash codes of your
// parameter ids are not unique.
@ -2119,9 +2156,9 @@ private:
}
//==============================================================================
AudioUnitParameterID generateAUParameterID (AudioProcessorParameter* param) const
static AudioUnitParameterID generateAUParameterID (const AudioProcessorParameter& param)
{
const String& juceParamID = LegacyAudioParameter::getParamID (param, forceUseLegacyParamIDs);
const String& juceParamID = LegacyAudioParameter::getParamID (&param, forceUseLegacyParamIDs);
AudioUnitParameterID paramHash = static_cast<AudioUnitParameterID> (juceParamID.hashCode());
#if JUCE_USE_STUDIO_ONE_COMPATIBLE_PARAMETERS