/*
- Copyright (C) 2006 Paul Davis
- By Dave Robillard, 2006
+ Copyright (C) 2006 Paul Davis
+ Author: David Robillard
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
+
#include "pbd/error.h"
-#include <sigc++/retype.h>
-#include <sigc++/retype_return.h>
-#include <sigc++/bind.h>
#include "pbd/enumwriter.h"
+#include "pbd/convert.h"
#include "midi++/events.h"
#include "evoral/midi_util.h"
#include "ardour/amp.h"
#include "ardour/buffer_set.h"
+#include "ardour/debug.h"
+#include "ardour/delivery.h"
#include "ardour/io_processor.h"
#include "ardour/meter.h"
#include "ardour/midi_diskstream.h"
#include "ardour/midi_playlist.h"
+#include "ardour/midi_port.h"
#include "ardour/midi_region.h"
#include "ardour/midi_source.h"
#include "ardour/midi_track.h"
#include "ardour/panner.h"
+#include "ardour/port.h"
#include "ardour/processor.h"
#include "ardour/route_group_specialized.h"
#include "ardour/session.h"
+#include "ardour/session_playlists.h"
#include "ardour/utils.h"
#include "i18n.h"
MidiTrack::MidiTrack (Session& sess, string name, Route::Flag flag, TrackMode mode)
: Track (sess, name, flag, mode, DataType::MIDI)
, _immediate_events(1024) // FIXME: size?
+ , _step_edit_ring_buffer(64) // FIXME: size?
, _note_mode(Sustained)
+ , _step_editing (false)
+ , _midi_thru (true)
+ , _input_active (true)
{
- use_new_diskstream ();
-
- _declickable = true;
- _freeze_record.state = NoFreeze;
- _saved_meter_point = _meter_point;
- _mode = mode;
-
- set_input_minimum(ChanCount(DataType::MIDI, 1));
- set_input_maximum(ChanCount(DataType::MIDI, 1));
}
-MidiTrack::MidiTrack (Session& sess, const XMLNode& node)
- : Track (sess, node, DataType::MIDI )
- , _immediate_events(1024) // FIXME: size?
- , _note_mode(Sustained)
+MidiTrack::~MidiTrack ()
{
- _set_state(node, false);
-
- set_input_minimum(ChanCount(DataType::MIDI, 1));
- set_input_maximum(ChanCount(DataType::MIDI, 1));
}
-MidiTrack::~MidiTrack ()
+int
+MidiTrack::init ()
{
+ if (Track::init ()) {
+ return -1;
+ }
+
+ _input->changed.connect_same_thread (*this, boost::bind (&MidiTrack::track_input_active, this, _1, _2));
+
+ return 0;
}
-void
-MidiTrack::use_new_diskstream ()
+boost::shared_ptr<Diskstream>
+MidiTrack::create_diskstream ()
{
MidiDiskstream::Flag dflags = MidiDiskstream::Flag (0);
assert(_mode != Destructive);
- boost::shared_ptr<MidiDiskstream> ds (new MidiDiskstream (_session, name(), dflags));
- _session.add_diskstream (ds);
+ return boost::shared_ptr<Diskstream> (new MidiDiskstream (_session, name(), dflags));
+}
- set_diskstream (boost::dynamic_pointer_cast<MidiDiskstream> (ds));
-}
-int
-MidiTrack::set_diskstream (boost::shared_ptr<MidiDiskstream> ds)
+void
+MidiTrack::set_record_enabled (bool yn, void *src)
{
- _diskstream = ds;
- _diskstream->set_io (*this);
- _diskstream->set_destructive (_mode == Destructive);
-
- _diskstream->set_record_enabled (false);
- //_diskstream->monitor_input (false);
-
- ic_connection.disconnect();
- ic_connection = input_changed.connect (mem_fun (*_diskstream, &MidiDiskstream::handle_input_change));
-
- DiskstreamChanged (); /* EMIT SIGNAL */
+ if (_step_editing) {
+ return;
+ }
- return 0;
-}
+ Track::set_record_enabled (yn, src);
+}
-int
-MidiTrack::use_diskstream (string name)
+void
+MidiTrack::set_diskstream (boost::shared_ptr<Diskstream> ds)
{
- boost::shared_ptr<MidiDiskstream> dstream;
+ Track::set_diskstream (ds);
- if ((dstream = boost::dynamic_pointer_cast<MidiDiskstream>(_session.diskstream_by_name (name))) == 0) {
- error << string_compose(_("MidiTrack: midi diskstream \"%1\" not known by session"), name) << endmsg;
- return -1;
- }
-
- return set_diskstream (dstream);
-}
+ midi_diskstream()->reset_tracker ();
-int
-MidiTrack::use_diskstream (const PBD::ID& id)
-{
- boost::shared_ptr<MidiDiskstream> dstream;
+ _diskstream->set_track (this);
+ _diskstream->set_destructive (_mode == Destructive);
+ _diskstream->set_record_enabled (false);
- if ((dstream = boost::dynamic_pointer_cast<MidiDiskstream> (_session.diskstream_by_id (id))) == 0) {
- error << string_compose(_("MidiTrack: midi diskstream \"%1\" not known by session"), id) << endmsg;
- return -1;
- }
-
- return set_diskstream (dstream);
+ _diskstream_data_recorded_connection.disconnect ();
+ boost::shared_ptr<MidiDiskstream> mds = boost::dynamic_pointer_cast<MidiDiskstream> (ds);
+ mds->DataRecorded.connect_same_thread (
+ _diskstream_data_recorded_connection,
+ boost::bind (&MidiTrack::diskstream_data_recorded, this, _1));
+
+ DiskstreamChanged (); /* EMIT SIGNAL */
}
boost::shared_ptr<MidiDiskstream>
}
int
-MidiTrack::set_state (const XMLNode& node)
-{
- return _set_state (node, true);
-}
-
-int
-MidiTrack::_set_state (const XMLNode& node, bool call_base)
+MidiTrack::set_state (const XMLNode& node, int version)
{
const XMLProperty *prop;
- XMLNodeConstIterator iter;
- if (Route::_set_state (node, call_base)) {
+ if (Track::set_state (node, version)) {
return -1;
}
-
+
// No destructive MIDI tracks (yet?)
_mode = Normal;
-
+
if ((prop = node.property (X_("note-mode"))) != 0) {
_note_mode = NoteMode (string_2_enum (prop->value(), _note_mode));
} else {
_note_mode = Sustained;
}
- if ((prop = node.property ("diskstream-id")) == 0) {
-
- /* some old sessions use the diskstream name rather than the ID */
-
- if ((prop = node.property ("diskstream")) == 0) {
- fatal << _("programming error: MidiTrack given state without diskstream!") << endmsg;
- /*NOTREACHED*/
- return -1;
- }
-
- if (use_diskstream (prop->value())) {
- return -1;
- }
-
- } else {
-
- PBD::ID id (prop->value());
- PBD::ID zero ("0");
-
- /* this wierd hack is used when creating tracks from a template. there isn't
- a particularly good time to interpose between setting the first part of
- the track state (notably Route::set_state() and the track mode), and the
- second part (diskstream stuff). So, we have a special ID for the diskstream
- that means "you should create a new diskstream here, not look for
- an old one.
- */
-
- if (id == zero) {
- use_new_diskstream ();
- } else if (use_diskstream (id)) {
- return -1;
- }
+ if ((prop = node.property ("midi-thru")) != 0) {
+ set_midi_thru (string_is_affirmative (prop->value()));
}
- XMLNodeList nlist;
- XMLNodeConstIterator niter;
- XMLNode *child;
-
- nlist = node.children();
- for (niter = nlist.begin(); niter != nlist.end(); ++niter){
- child = *niter;
-
- if (child->name() == X_("recenable")) {
- _rec_enable_control->set_state (*child);
- _session.add_controllable (_rec_enable_control);
- }
+ if ((prop = node.property ("input-active")) != 0) {
+ set_input_active (string_is_affirmative (prop->value()));
}
pending_state = const_cast<XMLNode*> (&node);
if (_session.state_of_the_state() & Session::Loading) {
- _session.StateReady.connect (mem_fun (*this, &MidiTrack::set_state_part_two));
+ _session.StateReady.connect_same_thread (
+ *this, boost::bind (&MidiTrack::set_state_part_two, this));
} else {
set_state_part_two ();
}
return 0;
}
-XMLNode&
+XMLNode&
MidiTrack::state(bool full_state)
{
- XMLNode& root (Route::state(full_state));
+ XMLNode& root (Track::state(full_state));
XMLNode* freeze_node;
char buf[64];
(*i)->id.print (buf, sizeof(buf));
inode->add_property (X_("id"), buf);
inode->add_child_copy ((*i)->state);
-
+
freeze_node->add_child_nocopy (*inode);
}
root.add_child_nocopy (*freeze_node);
}
- /* Alignment: act as a proxy for the diskstream */
-
- XMLNode* align_node = new XMLNode (X_("Alignment"));
- AlignStyle as = _diskstream->alignment_style ();
- align_node->add_property (X_("style"), enum_2_string (as));
- root.add_child_nocopy (*align_node);
-
root.add_property (X_("note-mode"), enum_2_string (_note_mode));
-
- /* we don't return diskstream state because we don't
- own the diskstream exclusively. control of the diskstream
- state is ceded to the Session, even if we create the
- diskstream.
- */
- _diskstream->id().print (buf, sizeof(buf));
- root.add_property ("diskstream-id", buf);
-
- root.add_child_nocopy (_rec_enable_control->get_state());
+ root.add_property ("step-editing", (_step_editing ? "yes" : "no"));
+ root.add_property ("note-mode", enum_2_string (_note_mode));
+ root.add_property ("midi-thru", (_midi_thru ? "yes" : "no"));
+ root.add_property ("input-active", (_input_active ? "yes" : "no"));
return root;
}
if ((fnode = find_named_node (*pending_state, X_("freeze-info"))) != 0) {
_freeze_record.state = Frozen;
-
+
for (vector<FreezeRecordProcessorInfo*>::iterator i = _freeze_record.processor_info.begin(); i != _freeze_record.processor_info.end(); ++i) {
delete *i;
}
_freeze_record.processor_info.clear ();
-
+
if ((prop = fnode->property (X_("playlist"))) != 0) {
- boost::shared_ptr<Playlist> pl = _session.playlist_by_name (prop->value());
+ boost::shared_ptr<Playlist> pl = _session.playlists->by_name (prop->value());
if (pl) {
_freeze_record.playlist = boost::dynamic_pointer_cast<MidiPlaylist> (pl);
} else {
return;
}
}
-
+
if ((prop = fnode->property (X_("state"))) != 0) {
_freeze_record.state = FreezeState (string_2_enum (prop->value(), _freeze_record.state));
}
-
+
XMLNodeConstIterator citer;
XMLNodeList clist = fnode->children();
-
+
for (citer = clist.begin(); citer != clist.end(); ++citer) {
if ((*citer)->name() != X_("processor")) {
continue;
}
-
+
if ((prop = (*citer)->property (X_("id"))) == 0) {
continue;
}
-
+
FreezeRecordProcessorInfo* frii = new FreezeRecordProcessorInfo (*((*citer)->children().front()),
boost::shared_ptr<Processor>());
frii->id = prop->value ();
}
}
- /* Alignment: act as a proxy for the diskstream */
-
- if ((fnode = find_named_node (*pending_state, X_("Alignment"))) != 0) {
-
- if ((prop = fnode->property (X_("style"))) != 0) {
-
- /* fix for older sessions from before EnumWriter */
-
- string pstr;
-
- if (prop->value() == "capture") {
- pstr = "CaptureTime";
- } else if (prop->value() == "existing") {
- pstr = "ExistingMaterial";
- } else {
- pstr = prop->value();
- }
-
- AlignStyle as = AlignStyle (string_2_enum (pstr, as));
- _diskstream->set_persistent_align_style (as);
- }
+ if (midi_diskstream ()) {
+ midi_diskstream()->set_block_size (_session.get_block_size ());
}
+
return;
-}
+}
int
-MidiTrack::roll (nframes_t nframes, sframes_t start_frame, sframes_t end_frame, int declick,
- bool can_record, bool rec_monitors_input)
+MidiTrack::roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame, int declick, bool& need_butler)
{
- int dret;
- boost::shared_ptr<MidiDiskstream> diskstream = midi_diskstream();
-
- prepare_inputs (nframes);
-
- {
- Glib::RWLock::ReaderLock lm (_processor_lock, Glib::TRY_LOCK);
- if (lm.locked()) {
- // automation snapshot can also be called from the non-rt context
- // and it uses the redirect list, so we take the lock out here
- automation_snapshot (start_frame);
- }
+ Glib::RWLock::ReaderLock lm (_processor_lock, Glib::TRY_LOCK);
+ if (!lm.locked()) {
+ return 0;
}
+ boost::shared_ptr<MidiDiskstream> diskstream = midi_diskstream();
+
+ automation_snapshot (start_frame);
+
if (n_outputs().n_total() == 0 && _processors.empty()) {
return 0;
}
return 0;
}
- nframes_t transport_frame = _session.transport_frame();
+ framepos_t transport_frame = _session.transport_frame();
+
+ int dret;
+ framecnt_t playback_distance;
-
if ((nframes = check_initial_delay (nframes, transport_frame)) == 0) {
/* need to do this so that the diskstream sets its
playback distance to zero, thus causing diskstream::commit
to do nothing.
*/
- return diskstream->process (transport_frame, 0, can_record, rec_monitors_input);
- }
+ dret = diskstream->process (transport_frame, 0, playback_distance);
+ need_butler = diskstream->commit (playback_distance);
+ return dret;
+ }
_silent = false;
- if ((dret = diskstream->process (transport_frame, nframes, can_record, rec_monitors_input)) != 0) {
-
+ if ((dret = diskstream->process (transport_frame, nframes, playback_distance)) != 0) {
+ need_butler = diskstream->commit (playback_distance);
silence (nframes);
return dret;
}
/* special condition applies */
if (_meter_point == MeterInput) {
- just_meter_input (start_frame, end_frame, nframes);
+ _input->process_input (_meter, start_frame, end_frame, nframes);
}
- if (diskstream->record_enabled() && !can_record && !_session.config.get_auto_input()) {
+ if (monitoring_state() == MonitoringInput) {
/* not actually recording, but we want to hear the input material anyway,
at least potentially (depending on monitoring options)
- */
+ */
passthru (start_frame, end_frame, nframes, 0);
//const size_t limit = n_process_buffers().n_audio();
BufferSet& bufs = _session.get_scratch_buffers (n_process_buffers());
+ MidiBuffer& mbuf (bufs.get_midi (0));
- diskstream->get_playback(bufs.get_midi(0), start_frame, end_frame);
+ /* 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);
- process_output_buffers (bufs, start_frame, end_frame, nframes,
- (!_session.get_record_enabled() || !Config->get_do_not_record_plugins()), declick);
-
+ 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())
+ );
}
- flush_outputs (nframes);
+ for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
+ boost::shared_ptr<Delivery> d = boost::dynamic_pointer_cast<Delivery> (*i);
+ if (d) {
+ d->flush_buffers (nframes, end_frame - start_frame - 1);
+ }
+ }
+ need_butler = diskstream->commit (playback_distance);
+
return 0;
}
+int
+MidiTrack::no_roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame, bool state_changing)
+{
+ int ret = Track::no_roll (nframes, start_frame, end_frame, state_changing);
+
+ if (ret == 0 && _step_editing) {
+ push_midi_input_to_step_edit_ringbuffer (nframes);
+ }
+
+ return ret;
+}
+
void
-MidiTrack::write_controller_messages(MidiBuffer& output_buf, sframes_t start, sframes_t end, nframes_t nframes)
+MidiTrack::realtime_locate ()
{
- // Append immediate events (UI controls)
+ Glib::RWLock::ReaderLock lm (_processor_lock, Glib::TRY_LOCK);
+
+ if (!lm.locked ()) {
+ return;
+ }
- // XXX TAKE _port_offset in Port into account???
+ for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
+ (*i)->realtime_locate ();
+ }
- _immediate_events.read (output_buf, 0, 0, nframes - 1); // all stamps = 0
+ midi_diskstream()->reset_tracker ();
}
-int
-MidiTrack::export_stuff (BufferSet& bufs, nframes_t nframes, sframes_t end_frame)
+void
+MidiTrack::realtime_handle_transport_stopped ()
{
- return -1;
+ Glib::RWLock::ReaderLock lm (_processor_lock, Glib::TRY_LOCK);
+
+ if (!lm.locked ()) {
+ return;
+ }
+
+ for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
+ (*i)->realtime_handle_transport_stopped ();
+ }
}
void
-MidiTrack::set_latency_delay (nframes_t longest_session_latency)
+MidiTrack::push_midi_input_to_step_edit_ringbuffer (framecnt_t nframes)
{
- Route::set_latency_delay (longest_session_latency);
- _diskstream->set_roll_delay (_roll_delay);
+ PortSet& ports (_input->ports());
+
+ for (PortSet::iterator p = ports.begin(DataType::MIDI); p != ports.end(DataType::MIDI); ++p) {
+
+ Buffer& b (p->get_buffer (nframes));
+ const MidiBuffer* const mb = dynamic_cast<MidiBuffer*>(&b);
+ assert (mb);
+
+ for (MidiBuffer::const_iterator e = mb->begin(); e != mb->end(); ++e) {
+
+ const Evoral::MIDIEvent<framepos_t> ev(*e, false);
+
+ /* note on, since for step edit, note length is determined
+ elsewhere
+ */
+
+ if (ev.is_note_on()) {
+ /* we don't care about the time for this purpose */
+ _step_edit_ring_buffer.write (0, ev.type(), ev.size(), ev.buffer());
+ }
+ }
+ }
+}
+
+void
+MidiTrack::write_out_of_band_data (BufferSet& bufs, framepos_t /*start*/, framepos_t /*end*/, framecnt_t nframes)
+{
+ MidiBuffer& buf (bufs.get_midi (0));
+
+ // Append immediate events
+
+ if (_immediate_events.read_space()) {
+
+ DEBUG_TRACE (DEBUG::MidiIO, string_compose ("%1 has %2 of immediate events to deliver\n",
+ name(), _immediate_events.read_space()));
+
+ /* write as many of the immediate events as we can, but give "true" as
+ * the last argument ("stop on overflow in destination") so that we'll
+ * ship the rest out next time.
+ *
+ * the (nframes-1) argument puts all these events at the last
+ * possible position of the output buffer, so that we do not
+ * violate monotonicity when writing.
+ */
+
+ _immediate_events.read (buf, 0, 1, nframes-1, true);
+ }
+
+ // MIDI thru: send incoming data "through" output
+ if (_midi_thru && _session.transport_speed() != 0.0f && _input->n_ports().n_midi()) {
+ buf.merge_in_place (_input->midi(0)->get_midi_buffer(nframes));
+ }
+}
+
+int
+MidiTrack::export_stuff (BufferSet& /*bufs*/, framecnt_t /*nframes*/, framepos_t /*end_frame*/)
+{
+ return -1;
}
boost::shared_ptr<Region>
-MidiTrack::bounce (InterThreadInfo& itt)
+MidiTrack::bounce (InterThreadInfo& /*itt*/)
{
- throw;
- // vector<MidiSource*> srcs;
- // return _session.write_one_track (*this, 0, _session.current_end_frame(), false, srcs, itt);
+ std::cerr << "MIDI bounce currently unsupported" << std::endl;
return boost::shared_ptr<Region> ();
}
boost::shared_ptr<Region>
-MidiTrack::bounce_range (nframes_t start, nframes_t end, InterThreadInfo& itt, bool enable_processing)
+MidiTrack::bounce_range (framepos_t /*start*/, framepos_t /*end*/, InterThreadInfo& /*itt*/, bool /*enable_processing*/)
{
- throw;
- //vector<MidiSource*> srcs;
- //return _session.write_one_track (*this, start, end, false, srcs, itt);
+ std::cerr << "MIDI bounce range currently unsupported" << std::endl;
return boost::shared_ptr<Region> ();
}
void
-MidiTrack::freeze (InterThreadInfo& itt)
+MidiTrack::freeze_me (InterThreadInfo& /*itt*/)
{
+ std::cerr << "MIDI freeze currently unsupported" << std::endl;
}
void
}
void
-MidiTrack::midi_panic()
+MidiTrack::midi_panic()
{
+ DEBUG_TRACE (DEBUG::MidiIO, string_compose ("%1 delivers panic data\n", name()));
for (uint8_t channel = 0; channel <= 0xF; channel++) {
uint8_t ev[3] = { MIDI_CMD_CONTROL | channel, MIDI_CTL_SUSTAIN, 0 };
write_immediate_event(3, ev);
}
void
-MidiTrack::MidiControl::set_value(float val)
+MidiTrack::MidiControl::set_value(double val)
{
bool valid = false;
if (isinf(val)) {
} else {
valid = true;
}
-
+
if (!valid) {
return;
}
assert(val <= _list->parameter().max());
- size_t size = 3;
-
if ( ! automation_playback()) {
+ size_t size = 3;
uint8_t ev[3] = { _list->parameter().channel(), int(val), 0 };
switch(_list->parameter().type()) {
case MidiCCAutomation:
ev[1] = _list->parameter().id();
ev[2] = int(val);
break;
-
+
case MidiPgmChangeAutomation:
size = 2;
ev[0] += MIDI_CMD_PGM_CHANGE;
ev[1] = int(val);
break;
-
+
case MidiChannelPressureAutomation:
size = 2;
ev[0] += MIDI_CMD_CHANNEL_PRESSURE;
ev[1] = int(val);
break;
-
+
case MidiPitchBenderAutomation:
ev[0] += MIDI_CMD_BENDER;
ev[1] = 0x7F & int(val);
ev[2] = 0x7F & (int(val) >> 7);
break;
-
+
default:
assert(false);
}
}
AutomationControl::set_value(val);
-}
+}
+
+void
+MidiTrack::set_step_editing (bool yn)
+{
+ if (_session.record_status() != Session::Disabled) {
+ return;
+ }
+
+ if (yn != _step_editing) {
+ _step_editing = yn;
+ StepEditStatusChange (yn);
+ }
+}
+
+void
+MidiTrack::set_midi_thru (bool yn)
+{
+ _midi_thru = yn;
+}
+
+boost::shared_ptr<SMFSource>
+MidiTrack::write_source (uint32_t)
+{
+ return midi_diskstream()->write_source ();
+}
+
+void
+MidiTrack::set_channel_mode (ChannelMode mode, uint16_t mask)
+{
+ midi_diskstream()->set_channel_mode (mode, mask);
+}
+
+ChannelMode
+MidiTrack::get_channel_mode ()
+{
+ return midi_diskstream()->get_channel_mode ();
+}
+
+uint16_t
+MidiTrack::get_channel_mask ()
+{
+ return midi_diskstream()->get_channel_mask ();
+}
+
+boost::shared_ptr<MidiPlaylist>
+MidiTrack::midi_playlist ()
+{
+ return midi_diskstream()->midi_playlist ();
+}
+
+void
+MidiTrack::diskstream_data_recorded (boost::weak_ptr<MidiSource> src)
+{
+ DataRecorded (src); /* EMIT SIGNAL */
+}
+
+bool
+MidiTrack::input_active () const
+{
+ return _input_active;
+}
+
+void
+MidiTrack::set_input_active (bool yn)
+{
+ if (yn != _input_active) {
+ _input_active = yn;
+ map_input_active (yn);
+ InputActiveChanged (); /* EMIT SIGNAL */
+ }
+}
+
+void
+MidiTrack::map_input_active (bool yn)
+{
+ if (!_input) {
+ return;
+ }
+
+ PortSet& ports (_input->ports());
+
+ for (PortSet::iterator p = ports.begin(DataType::MIDI); p != ports.end(DataType::MIDI); ++p) {
+ boost::shared_ptr<MidiPort> mp = boost::dynamic_pointer_cast<MidiPort> (*p);
+ if (yn != mp->input_active()) {
+ mp->set_input_active (yn);
+ }
+ }
+}
+
+void
+MidiTrack::track_input_active (IOChange change, void* /* src */)
+{
+ if (change.type & IOChange::ConfigurationChanged) {
+ map_input_active (_input_active);
+ }
+}
+
+boost::shared_ptr<Diskstream>
+MidiTrack::diskstream_factory (XMLNode const & node)
+{
+ return boost::shared_ptr<Diskstream> (new MidiDiskstream (_session, node));
+}
+
+boost::shared_ptr<MidiBuffer>
+MidiTrack::get_gui_feed_buffer () const
+{
+ return midi_diskstream()->get_gui_feed_buffer ();
+}
+
+void
+MidiTrack::act_on_mute ()
+{
+ /* this is called right after our mute status has changed.
+ if we are now muted, send suitable output to shutdown
+ all our notes.
+
+ XXX we should should also stop all relevant note trackers.
+ */
+
+ if (muted()) {
+ /* only send messages for channels we are using */
+
+ uint16_t mask = get_channel_mask();
+ for (uint8_t channel = 0; channel <= 0xF; channel++) {
+
+ if ((1<<channel) & mask) {
+
+ DEBUG_TRACE (DEBUG::MidiIO, string_compose ("%1 delivers mute message to channel %2\n", name(), channel+1));
+ uint8_t ev[3] = { MIDI_CMD_CONTROL | channel, MIDI_CTL_SUSTAIN, 0 };
+ write_immediate_event (3, ev);
+ ev[1] = MIDI_CTL_ALL_NOTES_OFF;
+ write_immediate_event (3, ev);
+ }
+ }
+ }
+}
+
+void
+MidiTrack::set_monitoring (MonitorChoice mc)
+{
+ Track::set_monitoring (mc);
+
+ boost::shared_ptr<MidiDiskstream> md (midi_diskstream());
+
+ if (md) {
+ md->reset_tracker ();
+ }
+}
+
+MonitorState
+MidiTrack::monitoring_state () const
+{
+ /* Explicit requests */
+
+ if (_monitoring & MonitorInput) {
+ 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;
+}
projects / ardour.git / blobdiff