| Value | Meaning |
|---|---|
| effFlagsHasEditor1 << 0 | set if the plug-in provides a custom editor |
| effFlagsCanReplacing1 << 4 | supports replacing process mode (which should the default mode in VST 2.4) |
| effFlagsProgramChunks1 << 5 | program data is handled in formatless chunks |
| effFlagsIsSynth1 << 8 | plug-in is a synth (VSTi), Host may assign mixer channels for its outputs |
| effFlagsNoSoundInStop1 << 9 | plug-in does not produce sound when input is all silence |
| DEPRECATED_effFlagsHasClip1 << 1 | deprecated in VST 2.4 |
| DEPRECATED_effFlagsHasVu1 << 2 | deprecated in VST 2.4 |
| DEPRECATED_effFlagsCanMono1 << 3 | deprecated in VST 2.4 |
| DEPRECATED_effFlagsExtIsAsync1 << 10 | deprecated in VST 2.4 |
| DEPRECATED_effFlagsExtHasBuffer1 << 11 | deprecated in VST 2.4 |