diff options
Diffstat (limited to 'gtk2_ardour/linux_vst_gui_support.cc')
-rw-r--r-- | gtk2_ardour/linux_vst_gui_support.cc | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/gtk2_ardour/linux_vst_gui_support.cc b/gtk2_ardour/linux_vst_gui_support.cc index a2f637a26c..fe85ea188e 100644 --- a/gtk2_ardour/linux_vst_gui_support.cc +++ b/gtk2_ardour/linux_vst_gui_support.cc @@ -320,8 +320,10 @@ maybe_set_program (VSTState* vstfx) } if (vstfx->want_chunk == 1) { + pthread_mutex_lock (&vstfx->state_lock); vstfx->plugin->dispatcher (vstfx->plugin, 24 /* effSetChunk */, 1, vstfx->wanted_chunk_size, vstfx->wanted_chunk, 0); vstfx->want_chunk = 0; + pthread_mutex_unlock (&vstfx->state_lock); } } |