Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
+#include <strings.h> // for ffs(3)
+
#include "pbd/enumwriter.h"
#include "pbd/convert.h"
#include "evoral/midi_util.h"
, _note_mode(Sustained)
, _step_editing (false)
, _input_active (true)
+ , _playback_channel_mask(0x0000ffff)
+ , _capture_channel_mask(0x0000ffff)
{
}
boost::shared_ptr<Diskstream>
MidiTrack::create_diskstream ()
{
- MidiDiskstream::Flag dflags = MidiDiskstream::Flag (0);
-
- if (_flags & Hidden) {
- dflags = MidiDiskstream::Flag (dflags | MidiDiskstream::Hidden);
- } else {
- dflags = MidiDiskstream::Flag (dflags | MidiDiskstream::Recordable);
- }
+ MidiDiskstream::Flag dflags = MidiDiskstream::Flag (MidiDiskstream::Recordable);
assert(_mode != Destructive);
set_input_active (string_is_affirmative (prop->value()));
}
+ ChannelMode playback_channel_mode = AllChannels;
+ ChannelMode capture_channel_mode = AllChannels;
+
+ if ((prop = node.property ("playback-channel-mode")) != 0) {
+ playback_channel_mode = ChannelMode (string_2_enum(prop->value(), playback_channel_mode));
+ }
+ if ((prop = node.property ("capture-channel-mode")) != 0) {
+ capture_channel_mode = ChannelMode (string_2_enum(prop->value(), capture_channel_mode));
+ }
+ if ((prop = node.property ("channel-mode")) != 0) {
+ /* 3.0 behaviour where capture and playback modes were not separated */
+ playback_channel_mode = ChannelMode (string_2_enum(prop->value(), playback_channel_mode));
+ capture_channel_mode = playback_channel_mode;
+ }
+
+ unsigned int playback_channel_mask = 0xffff;
+ unsigned int capture_channel_mask = 0xffff;
+
+ if ((prop = node.property ("playback-channel-mask")) != 0) {
+ sscanf (prop->value().c_str(), "0x%x", &playback_channel_mask);
+ }
+ if ((prop = node.property ("capture-channel-mask")) != 0) {
+ sscanf (prop->value().c_str(), "0x%x", &capture_channel_mask);
+ }
+ if ((prop = node.property ("channel-mask")) != 0) {
+ sscanf (prop->value().c_str(), "0x%x", &playback_channel_mask);
+ capture_channel_mask = playback_channel_mask;
+ }
+
+ set_playback_channel_mode (playback_channel_mode, playback_channel_mask);
+ set_capture_channel_mode (capture_channel_mode, capture_channel_mask);
+
pending_state = const_cast<XMLNode*> (&node);
if (_session.state_of_the_state() & Session::Loading) {
root.add_child_nocopy (*freeze_node);
}
- root.add_property (X_("note-mode"), enum_2_string (_note_mode));
+ root.add_property("playback_channel-mode", enum_2_string(get_playback_channel_mode()));
+ root.add_property("capture_channel-mode", enum_2_string(get_capture_channel_mode()));
+ snprintf (buf, sizeof(buf), "0x%x", get_playback_channel_mask());
+ root.add_property("playback-channel-mask", buf);
+ snprintf (buf, sizeof(buf), "0x%x", get_capture_channel_mask());
+ root.add_property("capture-channel-mask", buf);
- root.add_property ("step-editing", (_step_editing ? "yes" : "no"));
root.add_property ("note-mode", enum_2_string (_note_mode));
+ root.add_property ("step-editing", (_step_editing ? "yes" : "no"));
root.add_property ("input-active", (_input_active ? "yes" : "no"));
return root;
int
MidiTrack::roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame, int declick, bool& need_butler)
{
- Glib::RWLock::ReaderLock lm (_processor_lock, Glib::TRY_LOCK);
+ Glib::Threads::RWLock::ReaderLock lm (_processor_lock, Glib::Threads::TRY_LOCK);
if (!lm.locked()) {
+ boost::shared_ptr<MidiDiskstream> diskstream = midi_diskstream();
+ framecnt_t playback_distance = diskstream->calculate_playback_distance(nframes);
+ if (can_internal_playback_seek(std::llabs(playback_distance))) {
+ /* TODO should declick, and/or note-off */
+ internal_playback_seek(playback_distance);
+ }
return 0;
}
if (!_active) {
silence (nframes);
+ if (_meter_point == MeterInput && (_monitoring & MonitorInput || _diskstream->record_enabled())) {
+ _meter->reset();
+ }
return 0;
}
playback distance to zero, thus causing diskstream::commit
to do nothing.
*/
- dret = diskstream->process (transport_frame, 0, playback_distance);
+ BufferSet bufs; /* empty set - is OK, since nothing will happen */
+
+ dret = diskstream->process (bufs, transport_frame, 0, playback_distance, false);
need_butler = diskstream->commit (playback_distance);
return dret;
}
+ BufferSet& bufs = _session.get_route_buffers (n_process_buffers());
+
+ fill_buffers_with_input (bufs, _input, nframes);
+
+ if (_meter_point == MeterInput && (_monitoring & MonitorInput || _diskstream->record_enabled())) {
+ _meter->run (bufs, start_frame, end_frame, nframes, true);
+ }
+
+ /* filter captured data before the diskstream sees it */
+
+ filter_channels (bufs, get_capture_channel_mode(), get_capture_channel_mask());
_silent = false;
- if ((dret = diskstream->process (transport_frame, nframes, playback_distance)) != 0) {
+ if ((dret = diskstream->process (bufs, transport_frame, nframes, playback_distance, (monitoring_state() == MonitoringDisk))) != 0) {
need_butler = diskstream->commit (playback_distance);
silence (nframes);
return dret;
}
- /* special condition applies */
-
- if (_meter_point == MeterInput) {
- _input->process_input (_meter, start_frame, end_frame, nframes);
- }
+ /* filter playback data before we do anything else */
+
+ filter_channels (bufs, get_playback_channel_mode(), get_playback_channel_mask ());
if (monitoring_state() == MonitoringInput) {
diskstream->flush_playback (start_frame, end_frame);
- passthru (start_frame, end_frame, nframes, 0);
-
- } else {
-
- /*
- XXX is it true that the earlier test on n_outputs()
- means that we can avoid checking it again here? i think
- so, because changing the i/o configuration of an IO
- requires holding the AudioEngine lock, which we hold
- while in the process() tree.
- */
-
-
- /* copy the diskstream data to all output buffers */
-
- BufferSet& bufs = _session.get_scratch_buffers (n_process_buffers());
- MidiBuffer& mbuf (bufs.get_midi (0));
-
- /* we are a MIDI track, so we always start the chain with a single-channel diskstream */
- ChanCount c;
- c.set_audio (0);
- c.set_midi (1);
- bufs.set_count (c);
-
- diskstream->get_playback (mbuf, nframes);
-
- /* append immediate messages to the first MIDI buffer (thus sending it to the first output port) */
-
- write_out_of_band_data (bufs, start_frame, end_frame, nframes);
-
- /* final argument: don't waste time with automation if we're recording or we've just stopped (yes it can happen) */
+ }
- process_output_buffers (
- bufs, start_frame, end_frame, nframes,
- declick, (!diskstream->record_enabled() && !_session.transport_stopped())
- );
- }
+
+ /* append immediate messages to the first MIDI buffer (thus sending it to the first output port) */
+
+ write_out_of_band_data (bufs, start_frame, end_frame, nframes);
+
+ /* final argument: don't waste time with automation if we're not recording or rolling */
+
+ process_output_buffers (bufs, start_frame, end_frame, nframes,
+ declick, (!diskstream->record_enabled() && !_session.transport_stopped()));
for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
boost::shared_ptr<Delivery> d = boost::dynamic_pointer_cast<Delivery> (*i);
void
MidiTrack::realtime_locate ()
{
- Glib::RWLock::ReaderLock lm (_processor_lock, Glib::TRY_LOCK);
+ Glib::Threads::RWLock::ReaderLock lm (_processor_lock, Glib::Threads::TRY_LOCK);
if (!lm.locked ()) {
return;
void
MidiTrack::realtime_handle_transport_stopped ()
{
- Glib::RWLock::ReaderLock lm (_processor_lock, Glib::TRY_LOCK);
+ Glib::Threads::RWLock::ReaderLock lm (_processor_lock, Glib::Threads::TRY_LOCK);
if (!lm.locked ()) {
return;
}
}
+void
+MidiTrack::filter_channels (BufferSet& bufs, ChannelMode mode, uint32_t mask)
+{
+ if (mode == AllChannels) {
+ return;
+ }
+
+ MidiBuffer& buf (bufs.get_midi (0));
+
+ for (MidiBuffer::iterator e = buf.begin(); e != buf.end(); ) {
+
+ Evoral::MIDIEvent<framepos_t> ev(*e, false);
+
+ if (ev.is_channel_event()) {
+ switch (mode) {
+ case FilterChannels:
+ if (0 == ((1<<ev.channel()) & mask)) {
+ e = buf.erase (e);
+ } else {
+ ++e;
+ }
+ break;
+ case ForceChannel:
+ ev.set_channel (ffs (mask) - 1);
+ ++e;
+ break;
+ case AllChannels:
+ /* handled by the opening if() */
+ ++e;
+ break;
+ }
+ } else {
+ ++e;
+ }
+ }
+}
+
void
MidiTrack::write_out_of_band_data (BufferSet& bufs, framepos_t /*start*/, framepos_t /*end*/, framecnt_t nframes)
{
midi_diskstream()->set_note_mode(m);
}
+std::string
+MidiTrack::describe_parameter (Evoral::Parameter param)
+{
+ const std::string str(instrument_info().get_controller_name(param));
+ return str.empty() ? Automatable::describe_parameter(param) : str;
+}
+
void
MidiTrack::midi_panic()
{
}
void
-MidiTrack::set_channel_mode (ChannelMode mode, uint16_t mask)
+MidiTrack::set_playback_channel_mode(ChannelMode mode, uint16_t mask)
{
- midi_diskstream()->set_channel_mode (mode, mask);
+ ChannelMode old = get_playback_channel_mode ();
+ uint16_t old_mask = get_playback_channel_mask ();
+
+ if (old != mode || mask != old_mask) {
+ _set_playback_channel_mode (mode, mask);
+ PlaybackChannelModeChanged ();
+ _session.set_dirty ();
+ }
}
-ChannelMode
-MidiTrack::get_channel_mode ()
+void
+MidiTrack::set_capture_channel_mode(ChannelMode mode, uint16_t mask)
+{
+ ChannelMode old = get_capture_channel_mode ();
+ uint16_t old_mask = get_capture_channel_mask ();
+
+ if (old != mode || mask != old_mask) {
+ _set_capture_channel_mode (mode, mask);
+ CaptureChannelModeChanged ();
+ _session.set_dirty ();
+ }
+}
+
+void
+MidiTrack::set_playback_channel_mask (uint16_t mask)
{
- return midi_diskstream()->get_channel_mode ();
+ uint16_t old = get_playback_channel_mask();
+
+ if (old != mask) {
+ _set_playback_channel_mask (mask);
+ PlaybackChannelMaskChanged ();
+ _session.set_dirty ();
+ }
}
-uint16_t
-MidiTrack::get_channel_mask ()
+void
+MidiTrack::set_capture_channel_mask (uint16_t mask)
{
- return midi_diskstream()->get_channel_mask ();
+ uint16_t old = get_capture_channel_mask();
+
+ if (old != mask) {
+ _set_capture_channel_mask (mask);
+ CaptureChannelMaskChanged ();
+ _session.set_dirty ();
+ }
}
boost::shared_ptr<MidiPlaylist>
if (muted()) {
/* only send messages for channels we are using */
- uint16_t mask = get_channel_mask();
+ uint16_t mask = get_playback_channel_mask();
for (uint8_t channel = 0; channel <= 0xF; channel++) {
MonitorState
MidiTrack::monitoring_state () const
{
- /* Explicit requests */
-
- if (_monitoring & MonitorInput) {
+ MonitorState ms = Track::monitoring_state();
+ if (ms == MonitoringSilence) {
return MonitoringInput;
- }
-
- if (_monitoring & MonitorDisk) {
- return MonitoringDisk;
- }
-
- if (_session.transport_rolling()) {
- return MonitoringDisk;
}
-
- /* the return value here doesn't mean that we're actually monitoring
- * input, let alone input *audio*. but it means that we are NOT
- * monitoring silence. this allows us to still hear any audio generated
- * by using internal generation techniques
- */
-
- return MonitoringInput;
+ return ms;
}
+