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Add support for fixed speed MIDI output ports

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This is the output port equivalent for
::read_and_parse_entire_midi_buffer_with_no_speed_adjustment()
This commit is contained in:
Robin Gareus
2020-05-31 23:42:39 +02:00
parent 677f4b4e53
commit 29a6bfd3e7
1 changed files with 5 additions and 4 deletions
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9
libs/ardour/midi_port.cc
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@@ -291,6 +291,7 @@ MidiPort::flush_buffers (pframes_t nframes)
port_buffer = port_engine.get_buffer (_port_handle, nframes);
}
double speed_ratio = (flags () & TransportGenerator) ? 1.0 : _speed_ratio;
for (MidiBuffer::iterator i = _buffer->begin(); i != _buffer->end(); ++i) {
@@ -302,7 +303,7 @@ MidiPort::flush_buffers (pframes_t nframes)
uint8_t const * const buf = ev.buffer();
const samplepos_t now = AudioEngine::instance()->sample_time_at_cycle_start();
_trace_parser->set_timestamp (now + adjusted_time / _speed_ratio);
_trace_parser->set_timestamp (now + adjusted_time / speed_ratio);
uint32_t limit = ev.size();
@@ -336,14 +337,14 @@ MidiPort::flush_buffers (pframes_t nframes)
// and just send 'em all, at cycle_end
// see AudioEngine::split_cycle (), PortManager::cycle_end()
if ((adjusted_time >= _global_port_buffer_offset) && (adjusted_time < _global_port_buffer_offset + nframes)) {
pframes_t tme = floor (adjusted_time / _speed_ratio);
pframes_t tme = floor (adjusted_time / speed_ratio);
if (port_engine.midi_event_put (port_buffer, tme, ev.buffer(), ev.size()) != 0) {
cerr << "write failed, dropped event, time " << adjusted_time << '/' << ev.time() << endl;
}
} else {
pframes_t tme = floor (adjusted_time / _speed_ratio);
pframes_t tme = floor (adjusted_time / speed_ratio);
cerr << "Dropped outgoing MIDI event. time " << adjusted_time
<< " (" << ev.time() << ") @" << _speed_ratio << " = " << tme
<< " (" << ev.time() << ") @" << speed_ratio << " = " << tme
<< " out of range [" << _global_port_buffer_offset
<< " .. " << _global_port_buffer_offset + nframes
<< "]";