X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fmidi_track.cc;h=f42181b45818c76f0db43115809bdc33b8464d3f;hb=20dc91d0adf8bc54acb1bdb7fe6e368255d75e56;hp=c993b17cedb5c730a8271ae9f4a53102ee95722d;hpb=ace07c80a81a631eb8ff95155e5ace2751838809;p=ardour.git diff --git a/libs/ardour/midi_track.cc b/libs/ardour/midi_track.cc index c993b17ced..f42181b458 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 + 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 @@ -16,28 +16,32 @@ 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 -#include -#include #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" @@ -49,26 +53,28 @@ using namespace PBD; 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; } -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); } -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 @@ -85,53 +91,40 @@ MidiTrack::use_new_diskstream () assert(_mode != Destructive); boost::shared_ptr ds (new MidiDiskstream (_session, name(), dflags)); - _session.add_diskstream (ds); + ds->do_refill_with_alloc (); + ds->set_block_size (_session.get_block_size ()); + + set_diskstream (ds); +} - set_diskstream (boost::dynamic_pointer_cast (ds)); -} +void +MidiTrack::set_record_enabled (bool yn, void *src) +{ + if (_step_editing) { + return; + } -int -MidiTrack::set_diskstream (boost::shared_ptr ds) + Track::set_record_enabled (yn, src); +} + +void +MidiTrack::set_diskstream (boost::shared_ptr ds) { - _diskstream = ds; - _diskstream->set_io (*this); + Track::set_diskstream (ds); + + _diskstream->set_track (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)); + _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)); DiskstreamChanged (); /* EMIT SIGNAL */ - - return 0; -} - -int -MidiTrack::use_diskstream (string name) -{ - boost::shared_ptr dstream; - - if ((dstream = boost::dynamic_pointer_cast(_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); -} - -int -MidiTrack::use_diskstream (const PBD::ID& id) -{ - boost::shared_ptr dstream; - - if ((dstream = boost::dynamic_pointer_cast (_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); } boost::shared_ptr @@ -141,62 +134,36 @@ MidiTrack::midi_diskstream() const } int -MidiTrack::set_state (const XMLNode& node) +MidiTrack::set_state (const XMLNode& node, int version) { - return _set_state (node, true); + return _set_state (node, version, true); } int -MidiTrack::_set_state (const XMLNode& node, bool call_base) +MidiTrack::_set_state (const XMLNode& node, int version, bool call_base) { const XMLProperty *prop; XMLNodeConstIterator iter; - if (Route::_set_state (node, call_base)) { + if (Route::_set_state (node, version, call_base)) { 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; - } + if ((prop = node.property ("midi-thru")) != 0) { + set_midi_thru (string_is_affirmative (prop->value())); + } - } 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 ("input-active")) != 0) { + set_input_active (string_is_affirmative (prop->value())); } XMLNodeList nlist; @@ -204,19 +171,34 @@ MidiTrack::_set_state (const XMLNode& node, bool call_base) XMLNode *child; nlist = node.children(); + + if (version >= 3000) { + if ((child = find_named_node (node, X_("Diskstream"))) != 0) { + boost::shared_ptr ds (new MidiDiskstream (_session, *child)); + ds->do_refill_with_alloc (); + set_diskstream (ds); + } + } + + /* 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() == X_("recenable")) { - _rec_enable_control->set_state (*child); - _session.add_controllable (_rec_enable_control); + 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 (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 (); } @@ -224,7 +206,7 @@ MidiTrack::_set_state (const XMLNode& node, bool call_base) return 0; } -XMLNode& +XMLNode& MidiTrack::state(bool full_state) { XMLNode& root (Route::state(full_state)); @@ -243,32 +225,21 @@ MidiTrack::state(bool full_state) (*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_child_nocopy (_diskstream->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; } @@ -291,14 +262,14 @@ MidiTrack::set_state_part_two () if ((fnode = find_named_node (*pending_state, X_("freeze-info"))) != 0) { _freeze_record.state = Frozen; - + for (vector::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 pl = _session.playlist_by_name (prop->value()); + boost::shared_ptr pl = _session.playlists->by_name (prop->value()); if (pl) { _freeze_record.playlist = boost::dynamic_pointer_cast (pl); } else { @@ -307,23 +278,23 @@ MidiTrack::set_state_part_two () 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()); frii->id = prop->value (); @@ -331,48 +302,26 @@ MidiTrack::set_state_part_two () } } - /* 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 can_record, bool& needs_butler) { + Glib::RWLock::ReaderLock lm (_processor_lock, Glib::TRY_LOCK); + if (!lm.locked()) { + return 0; + } + int dret; boost::shared_ptr 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); - } - } + + automation_snapshot (start_frame); if (n_outputs().n_total() == 0 && _processors.empty()) { return 0; @@ -383,21 +332,19 @@ MidiTrack::roll (nframes_t nframes, sframes_t start_frame, sframes_t end_frame, return 0; } - nframes_t transport_frame = _session.transport_frame(); + framepos_t transport_frame = _session.transport_frame(); - 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); - } + return diskstream->process (transport_frame, 0, can_record, needs_butler); + } _silent = false; - if ((dret = diskstream->process (transport_frame, nframes, can_record, rec_monitors_input)) != 0) { - + if ((dret = diskstream->process (transport_frame, nframes, can_record, needs_butler)) != 0) { silence (nframes); return dret; } @@ -405,14 +352,14 @@ MidiTrack::roll (nframes_t nframes, sframes_t start_frame, sframes_t end_frame, /* 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()) { /* 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); @@ -430,44 +377,136 @@ MidiTrack::roll (nframes_t nframes, sframes_t start_frame, sframes_t end_frame, //const size_t limit = n_process_buffers().n_audio(); 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, start_frame, end_frame); + + /* 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); - diskstream->get_playback(bufs.get_midi(0), start_frame, end_frame); + /* 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, - (!_session.get_record_enabled() || !Config->get_do_not_record_plugins()), declick); - + (!_session.get_record_enabled() || !Config->get_do_not_record_plugins()), declick, + (!diskstream->record_enabled() && !_session.transport_stopped())); } - flush_outputs (nframes); + _main_outs->flush_buffers (nframes, end_frame - start_frame - 1); return 0; } +int +MidiTrack::no_roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame, + bool state_changing, bool can_record) +{ + 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); + } + + 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 +void +MidiTrack::realtime_handle_transport_stopped () +{ + 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 (); + } } -int -MidiTrack::export_stuff (BufferSet& bufs, nframes_t nframes, sframes_t end_frame) +void +MidiTrack::push_midi_input_to_step_edit_ringbuffer (framecnt_t nframes) { - return -1; + 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(&b); + assert (mb); + + for (MidiBuffer::const_iterator e = mb->begin(); e != mb->end(); ++e) { + + 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()); + } + } + } } void -MidiTrack::set_latency_delay (nframes_t longest_session_latency) +MidiTrack::write_out_of_band_data (BufferSet& bufs, framepos_t /*start*/, framepos_t /*end*/, framecnt_t nframes) { - Route::set_latency_delay (longest_session_latency); - _diskstream->set_roll_delay (_roll_delay); + 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 -MidiTrack::bounce (InterThreadInfo& itt) +MidiTrack::bounce (InterThreadInfo& /*itt*/) { throw; // vector srcs; @@ -477,7 +516,7 @@ MidiTrack::bounce (InterThreadInfo& itt) boost::shared_ptr -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 srcs; @@ -486,7 +525,7 @@ MidiTrack::bounce_range (nframes_t start, nframes_t end, InterThreadInfo& itt, b } void -MidiTrack::freeze (InterThreadInfo& itt) +MidiTrack::freeze_me (InterThreadInfo& /*itt*/) { } @@ -505,8 +544,9 @@ MidiTrack::set_note_mode (NoteMode m) } 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); @@ -531,7 +571,7 @@ MidiTrack::write_immediate_event(size_t size, const uint8_t* buf) } void -MidiTrack::MidiControl::set_value(float val) +MidiTrack::MidiControl::set_value(double val) { bool valid = false; if (isinf(val)) { @@ -545,15 +585,14 @@ MidiTrack::MidiControl::set_value(float 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: @@ -561,25 +600,25 @@ MidiTrack::MidiControl::set_value(float val) 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); } @@ -587,5 +626,113 @@ MidiTrack::MidiControl::set_value(float val) } 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 +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 +MidiTrack::midi_playlist () +{ + return midi_diskstream()->midi_playlist (); +} + +void +MidiTrack::diskstream_data_recorded (boost::shared_ptr buf, boost::weak_ptr src) +{ + 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); + } +}