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authorPaul Davis <paul@linuxaudiosystems.com>2015-02-10 19:48:01 -0500
committerPaul Davis <paul@linuxaudiosystems.com>2015-02-10 19:48:47 -0500
commiteddcd7128f955e70e636b857a45da3e6258a0a8d (patch)
tree87673d12a486621778ecc9d5684998d08fbcc6c7 /libs/ardour/midi_port.cc
parent266ac609419b7d659ac9ef01ae7f092298e9ab12 (diff)
infrastructure to allow tracing of all MIDI ports
Diffstat (limited to 'libs/ardour/midi_port.cc')
-rw-r--r--libs/ardour/midi_port.cc25
1 files changed, 24 insertions, 1 deletions
diff --git a/libs/ardour/midi_port.cc b/libs/ardour/midi_port.cc
index 8dcf4d42fc..b12999cc9f 100644
--- a/libs/ardour/midi_port.cc
+++ b/libs/ardour/midi_port.cc
@@ -40,6 +40,7 @@ MidiPort::MidiPort (const std::string& name, PortFlags flags)
, _resolve_required (false)
, _input_active (true)
, _always_parse (false)
+ , _trace_on (false)
{
_buffer = new MidiBuffer (AudioEngine::instance()->raw_buffer_size (DataType::MIDI));
}
@@ -62,7 +63,7 @@ MidiPort::cycle_start (pframes_t nframes)
port_engine.midi_clear (port_engine.get_buffer (_port_handle, nframes));
}
- if (_always_parse) {
+ if (_always_parse || (receives_input() && _trace_on)) {
MidiBuffer& mb (get_midi_buffer (nframes));
/* dump incoming MIDI to parser */
@@ -203,10 +204,26 @@ MidiPort::flush_buffers (pframes_t nframes)
port_buffer = port_engine.get_buffer (_port_handle, nframes);
}
+
for (MidiBuffer::iterator i = _buffer->begin(); i != _buffer->end(); ++i) {
const Evoral::MIDIEvent<MidiBuffer::TimeType> ev (*i, false);
+
+ if (sends_output() && _trace_on) {
+ uint8_t const * const buf = ev.buffer();
+ const framepos_t now = AudioEngine::instance()->sample_time_at_cycle_start();
+
+ _self_parser.set_timestamp (now + ev.time());
+
+ uint32_t limit = ev.size();
+
+ for (size_t n = 0; n < limit; ++n) {
+ _self_parser.scanner (buf[n]);
+ }
+ }
+
+
// event times are in frames, relative to cycle start
#ifndef NDEBUG
@@ -287,3 +304,9 @@ MidiPort::set_always_parse (bool yn)
{
_always_parse = yn;
}
+
+void
+MidiPort::set_trace_on (bool yn)
+{
+ _trace_on = yn;
+}