diff options
Diffstat (limited to 'libs/ardour/linux_vst_support.cc')
| -rw-r--r-- | libs/ardour/linux_vst_support.cc | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/libs/ardour/linux_vst_support.cc b/libs/ardour/linux_vst_support.cc index be16340f2a..44d61f7a77 100644 --- a/libs/ardour/linux_vst_support.cc +++ b/libs/ardour/linux_vst_support.cc @@ -306,14 +306,16 @@ vstfx_instantiate (VSTHandle* fhandle, audioMasterCallback amc, void* userptr) return 0; } - vstfx->plugin->dispatcher (vstfx->plugin, effOpen, 0, 0, 0, 0); - - /*May or May not need to 'switch the plugin on' here - unlikely - since FST doesn't and most plugins start up 'On' by default - I think this is the least of our worries*/ - - //vstfx->plugin->dispatcher (vstfx->plugin, effMainsChanged, 0, 1, 0, 0); - - vstfx->vst_version = vstfx->plugin->dispatcher (vstfx->plugin, effGetVstVersion, 0, 0, 0, 0); + if (!userptr) { + /* scanning.. or w/o master-callback userptr == 0, open now. + * + * Session::vst_callback needs a pointer to the AEffect + * ((VSTPlugin*)userptr)->_plugin = vstfx->plugin + * before calling effOpen, because effOpen may call back + */ + vstfx->plugin->dispatcher (vstfx->plugin, effOpen, 0, 0, 0, 0); + vstfx->vst_version = vstfx->plugin->dispatcher (vstfx->plugin, effGetVstVersion, 0, 0, 0, 0); + } vstfx->handle->plugincnt++; vstfx->wantIdle = 0; |