diff options
Diffstat (limited to 'libs/ardour/internal_return.cc')
| -rw-r--r-- | libs/ardour/internal_return.cc | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/libs/ardour/internal_return.cc b/libs/ardour/internal_return.cc index 37a559649c..f6c99d8518 100644 --- a/libs/ardour/internal_return.cc +++ b/libs/ardour/internal_return.cc @@ -46,7 +46,11 @@ InternalReturn::InternalReturn (Session& s, const XMLNode& node) void InternalReturn::run (BufferSet& bufs, sframes_t start_frame, sframes_t end_frame, nframes_t nframes) { - /* XXX no lock here, just atomic fetch */ + if (!_active && !_pending_active) { + return; + } + + /* no lock here, just atomic fetch */ if (g_atomic_int_get(&user_count) == 0) { /* nothing to do - nobody is feeding us anything */ @@ -54,6 +58,7 @@ InternalReturn::run (BufferSet& bufs, sframes_t start_frame, sframes_t end_frame } bufs.merge_from (buffers, nframes); + _active = _pending_active; } bool |