X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fmidi_track.cc;h=d51e5ef067f05cb582468f0a2ab0f4a2577d515d;hb=291bd32c9d55b963ecc22354d68bc557527cfbcb;hp=cdd4633448e7590138d83354a153b61319c88920;hpb=eead73098d19743446c1d5d615e1106efe6e37a1;p=ardour.git diff --git a/libs/ardour/midi_track.cc b/libs/ardour/midi_track.cc index cdd4633448..d51e5ef067 100644 --- a/libs/ardour/midi_track.cc +++ b/libs/ardour/midi_track.cc @@ -1,6 +1,6 @@ /* Copyright (C) 2006 Paul Davis - By Dave Robillard, 2006 + 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 @@ -16,6 +16,7 @@ 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 "pbd/enumwriter.h" @@ -55,8 +56,8 @@ MidiTrack::MidiTrack (Session& sess, string name, Route::Flag flag, TrackMode mo , _step_edit_ring_buffer(64) // FIXME: size? , _note_mode(Sustained) , _step_editing (false) - , _default_channel (0) , _midi_thru (true) + , _input_active (true) { } @@ -64,6 +65,18 @@ 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 () { @@ -87,18 +100,18 @@ MidiTrack::use_new_diskstream () void MidiTrack::set_record_enabled (bool yn, void *src) { - if (_step_editing) { - return; - } + if (_step_editing) { + return; + } - Track::set_record_enabled (yn, src); + Track::set_record_enabled (yn, src); } void MidiTrack::set_diskstream (boost::shared_ptr ds) { Track::set_diskstream (ds); - + _diskstream->set_track (this); _diskstream->set_destructive (_mode == Destructive); @@ -107,7 +120,9 @@ MidiTrack::set_diskstream (boost::shared_ptr ds) _diskstream_data_recorded_connection.disconnect (); boost::shared_ptr mds = boost::dynamic_pointer_cast (ds); - mds->DataRecorded.connect_same_thread (_diskstream_data_recorded_connection, boost::bind (&MidiTrack::diskstream_data_recorded, this, _1, _2)); + mds->DataRecorded.connect_same_thread ( + _diskstream_data_recorded_connection, + boost::bind (&MidiTrack::diskstream_data_recorded, this, _1, _2)); DiskstreamChanged (); /* EMIT SIGNAL */ } @@ -144,11 +159,11 @@ MidiTrack::_set_state (const XMLNode& node, int version, bool call_base) } if ((prop = node.property ("midi-thru")) != 0) { - set_midi_thru (prop->value() == "yes"); + set_midi_thru (string_is_affirmative (prop->value())); } - if ((prop = node.property ("default-channel")) != 0) { - set_default_channel ((uint8_t) atoi (prop->value())); + if ((prop = node.property ("input-active")) != 0) { + set_input_active (string_is_affirmative (prop->value())); } XMLNodeList nlist; @@ -165,24 +180,25 @@ MidiTrack::_set_state (const XMLNode& node, int version, bool call_base) } } - /* set rec-enable control *AFTER* setting up diskstream, because it may want to operate - on the diskstream as it sets its own state - */ + /* set rec-enable control *AFTER* setting up diskstream, because it may + want to operate on the diskstream as it sets its own state + */ for (niter = nlist.begin(); niter != nlist.end(); ++niter){ child = *niter; - if (child->name() == Controllable::xml_node_name && (prop = child->property ("name")) != 0) { - if (prop->value() == X_("recenable")) { - _rec_enable_control->set_state (*child, version); - } - } + if (child->name() == Controllable::xml_node_name && (prop = child->property ("name")) != 0) { + if (prop->value() == X_("recenable")) { + _rec_enable_control->set_state (*child, version); + } + } } pending_state = const_cast (&node); if (_session.state_of_the_state() & Session::Loading) { - _session.StateReady.connect_same_thread (*this, boost::bind (&MidiTrack::set_state_part_two, this)); + _session.StateReady.connect_same_thread ( + *this, boost::bind (&MidiTrack::set_state_part_two, this)); } else { set_state_part_two (); } @@ -223,8 +239,7 @@ MidiTrack::state(bool full_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")); - snprintf (buf, sizeof (buf), "%d", (int) _default_channel); - root.add_property ("default-channel", buf); + root.add_property ("input-active", (_input_active ? "yes" : "no")); return root; } @@ -287,11 +302,8 @@ MidiTrack::set_state_part_two () } } - if ((fnode = find_named_node (*pending_state, X_("Diskstream"))) != 0) { - boost::shared_ptr ds (new MidiDiskstream (_session, *fnode)); - ds->do_refill_with_alloc (); - ds->set_block_size (_session.get_block_size ()); - set_diskstream (ds); + if (midi_diskstream ()) { + midi_diskstream()->set_block_size (_session.get_block_size ()); } return; @@ -299,7 +311,7 @@ MidiTrack::set_state_part_two () int MidiTrack::roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame, int declick, - bool can_record, bool rec_monitors_input, bool& needs_butler) + bool can_record, bool& needs_butler) { Glib::RWLock::ReaderLock lm (_processor_lock, Glib::TRY_LOCK); if (!lm.locked()) { @@ -327,12 +339,12 @@ MidiTrack::roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame playback distance to zero, thus causing diskstream::commit to do nothing. */ - return diskstream->process (transport_frame, 0, can_record, rec_monitors_input, needs_butler); + return diskstream->process (transport_frame, 0, can_record, needs_butler); } _silent = false; - if ((dret = diskstream->process (transport_frame, nframes, can_record, rec_monitors_input, needs_butler)) != 0) { + if ((dret = diskstream->process (transport_frame, nframes, can_record, needs_butler)) != 0) { silence (nframes); return dret; } @@ -383,7 +395,7 @@ MidiTrack::roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame process_output_buffers (bufs, start_frame, end_frame, nframes, (!_session.get_record_enabled() || !Config->get_do_not_record_plugins()), declick, - (!diskstream->record_enabled() && !_session.transport_stopped())); + (!diskstream->record_enabled() && !_session.transport_stopped())); } _main_outs->flush_buffers (nframes, end_frame - start_frame - 1); @@ -393,9 +405,9 @@ MidiTrack::roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame int MidiTrack::no_roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame, - bool state_changing, bool can_record, bool rec_monitors_input) + bool state_changing, bool can_record) { - int ret = Track::no_roll (nframes, start_frame, end_frame, state_changing, can_record, rec_monitors_input); + int ret = Track::no_roll (nframes, start_frame, end_frame, state_changing, can_record); if (ret == 0 && _step_editing) { push_midi_input_to_step_edit_ringbuffer (nframes); @@ -404,6 +416,19 @@ MidiTrack::no_roll (pframes_t nframes, framepos_t start_frame, framepos_t end_fr return ret; } +void +MidiTrack::realtime_locate () +{ + 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_locate (); + } +} + void MidiTrack::realtime_handle_transport_stopped () { @@ -432,14 +457,14 @@ MidiTrack::push_midi_input_to_step_edit_ringbuffer (framecnt_t nframes) const Evoral::MIDIEvent 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()); - } + /* 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()); + } } } } @@ -447,14 +472,27 @@ MidiTrack::push_midi_input_to_step_edit_ringbuffer (framecnt_t nframes) void MidiTrack::write_out_of_band_data (BufferSet& bufs, framepos_t /*start*/, framepos_t /*end*/, framecnt_t nframes) { - // Append immediate events MidiBuffer& buf (bufs.get_midi (0)); - 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())); - } - _immediate_events.read (buf, 0, 1, nframes-1); // all stamps = 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)); @@ -467,19 +505,10 @@ MidiTrack::export_stuff (BufferSet& /*bufs*/, framecnt_t /*nframes*/, framepos_t return -1; } -void -MidiTrack::set_latency_delay (framecnt_t longest_session_latency) -{ - Route::set_latency_delay (longest_session_latency); - _diskstream->set_roll_delay (_roll_delay); -} - boost::shared_ptr MidiTrack::bounce (InterThreadInfo& /*itt*/) { - throw; - // vector 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 (); } @@ -487,15 +516,14 @@ MidiTrack::bounce (InterThreadInfo& /*itt*/) boost::shared_ptr MidiTrack::bounce_range (framepos_t /*start*/, framepos_t /*end*/, InterThreadInfo& /*itt*/, bool /*enable_processing*/) { - throw; - //vector 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 (); } void MidiTrack::freeze_me (InterThreadInfo& /*itt*/) { + std::cerr << "MIDI freeze currently unsupported" << std::endl; } void @@ -515,7 +543,7 @@ MidiTrack::set_note_mode (NoteMode m) void MidiTrack::midi_panic() { - DEBUG_TRACE (DEBUG::MidiIO, string_compose ("%1 delivers panic data\n", name())); + 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); @@ -600,20 +628,14 @@ MidiTrack::MidiControl::set_value(double val) void MidiTrack::set_step_editing (bool yn) { - if (_session.record_status() != Session::Disabled) { - return; - } - - if (yn != _step_editing) { - _step_editing = yn; - StepEditStatusChange (yn); - } -} + if (_session.record_status() != Session::Disabled) { + return; + } -void -MidiTrack::set_default_channel (uint8_t chn) -{ - _default_channel = std::min ((unsigned int) chn, 15U); + if (yn != _step_editing) { + _step_editing = yn; + StepEditStatusChange (yn); + } } void @@ -657,4 +679,57 @@ MidiTrack::diskstream_data_recorded (boost::shared_ptr buf, boost::w { DataRecorded (buf, src); /* EMIT SIGNAL */ } - + +bool +MidiTrack::should_monitor () const +{ + return true; +} + +bool +MidiTrack::send_silence () const +{ + return false; +} + +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) { + MidiPort* mp = dynamic_cast (&*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); + } +} +