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VST3 Host: Add cross-platform-compatible VST3 uid hash

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This commit is contained in:
reuk 2021-03-23 20:19:26 +00:00
parent be0c36001d
commit 241bb8d430
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5 changed files with 24 additions and 4 deletions
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11
modules/juce_audio_processors/format_types/juce_VST3PluginFormat.cpp
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@ -81,10 +81,17 @@ static int warnOnFailureIfImplemented (int result) noexcept
//==============================================================================
static int getHashForTUID (const TUID& tuid) noexcept
{
#if JUCE_VST3_HOST_CROSS_PLATFORM_UID
const FUID fuid { tuid };
const uint32 inputArray[] { fuid.getLong1(), fuid.getLong2(), fuid.getLong3(), fuid.getLong4() };
#else
const auto& inputArray = tuid;
#endif
uint32 value = 0;
for (int i = 0; i < numElementsInArray (tuid); ++i)
value = (value * 31) + (uint32) tuid[i];
for (const auto& item : inputArray)
value = (value * 31) + (uint32) item;
return (int) value;
}

9
modules/juce_audio_processors/juce_audio_processors.h
View file

@ -102,6 +102,15 @@
#define JUCE_CUSTOM_VST3_SDK 0
#endif
/** Config: JUCE_VST3_HOST_CROSS_PLATFORM_UID
If enabled, ensures that PluginDescription::uid will produce consistent values for VST3 plugins on all platforms.
It is recommended to enable this flag in all new projects.
Projects which predate this flag should leave it disabled, in case they need to interact with uid values which they previously stored.
*/
#ifndef JUCE_VST3_HOST_CROSS_PLATFORM_UID
#define JUCE_VST3_HOST_CROSS_PLATFORM_UID 0
#endif
#if ! (JUCE_PLUGINHOST_AU || JUCE_PLUGINHOST_VST || JUCE_PLUGINHOST_VST3 || JUCE_PLUGINHOST_LADSPA)
// #error "You need to set either the JUCE_PLUGINHOST_AU and/or JUCE_PLUGINHOST_VST and/or JUCE_PLUGINHOST_VST3 and/or JUCE_PLUGINHOST_LADSPA flags if you're using this module!"
#endif