diff options
Diffstat (limited to 'libs/ardour/midi_port.cc')
| -rw-r--r-- | libs/ardour/midi_port.cc | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/libs/ardour/midi_port.cc b/libs/ardour/midi_port.cc index de2263fad6..ae168356b6 100644 --- a/libs/ardour/midi_port.cc +++ b/libs/ardour/midi_port.cc @@ -174,12 +174,21 @@ MidiPort::flush_buffers (pframes_t nframes) { if (sends_output ()) { - void* port_buffer = port_engine.get_buffer (_port_handle, nframes); + void* port_buffer = 0; if (_resolve_required) { + port_buffer = port_engine.get_buffer (_port_handle, nframes); /* resolve all notes at the start of the buffer */ resolve_notes (port_buffer, 0); _resolve_required = false; + } + + if (_buffer->empty()) { + return; + } + + if (!port_buffer) { + port_buffer = port_engine.get_buffer (_port_handle, nframes); } for (MidiBuffer::iterator i = _buffer->begin(); i != _buffer->end(); ++i) { @@ -201,6 +210,11 @@ MidiPort::flush_buffers (pframes_t nframes) << " + " << _port_buffer_offset << endl; } } + + /* done.. the data has moved to the port buffer, mark it so + */ + + _buffer->clear (); } } |