From ca951656aea2d9e9045ad20093020b6f670a55fb Mon Sep 17 00:00:00 2001 From: David Robillard Date: Mon, 20 Aug 2012 05:20:54 +0000 Subject: Add AMS style octaves output to note block. git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@4728 a436a847-0d15-0410-975c-d299462d15a1 --- src/server/internals/Note.cpp | 35 ++++++++++++++++++++++++----------- 1 file changed, 24 insertions(+), 11 deletions(-) (limited to 'src/server/internals/Note.cpp') diff --git a/src/server/internals/Note.cpp b/src/server/internals/Note.cpp index a373d4de..b8fab380 100644 --- a/src/server/internals/Note.cpp +++ b/src/server/internals/Note.cpp @@ -58,7 +58,7 @@ NoteNode::NoteNode(InternalPlugin* plugin, , _sustain(false) { const Ingen::URIs& uris = bufs.uris(); - _ports = new Raul::Array(5); + _ports = new Raul::Array(6); _midi_in_port = new InputPort(bufs, this, Raul::Symbol("input"), 0, 1, PortType::ATOM, uris.atom_Sequence, Raul::Atom()); @@ -72,24 +72,29 @@ NoteNode::NoteNode(InternalPlugin* plugin, _freq_port->set_property(uris.lv2_maximum, bufs.forge().make(25088.0f)); _ports->at(1) = _freq_port; + _octs_port = new OutputPort(bufs, this, Raul::Symbol("octaves"), 1, _polyphony, + PortType::CV, 0, bufs.forge().make(0.0f)); + _octs_port->set_property(uris.lv2_name, bufs.forge().alloc("Octaves")); + _ports->at(2) = _octs_port; + _vel_port = new OutputPort(bufs, this, Raul::Symbol("velocity"), 2, _polyphony, PortType::CV, 0, bufs.forge().make(0.0f)); _vel_port->set_property(uris.lv2_minimum, bufs.forge().make(0.0f)); _vel_port->set_property(uris.lv2_maximum, bufs.forge().make(1.0f)); _vel_port->set_property(uris.lv2_name, bufs.forge().alloc("Velocity")); - _ports->at(2) = _vel_port; + _ports->at(3) = _vel_port; _gate_port = new OutputPort(bufs, this, Raul::Symbol("gate"), 3, _polyphony, PortType::CV, 0, bufs.forge().make(0.0f)); _gate_port->set_property(uris.lv2_portProperty, uris.lv2_toggled); _gate_port->set_property(uris.lv2_name, bufs.forge().alloc("Gate")); - _ports->at(3) = _gate_port; + _ports->at(4) = _gate_port; _trig_port = new OutputPort(bufs, this, Raul::Symbol("trigger"), 4, _polyphony, PortType::CV, 0, bufs.forge().make(0.0f)); _trig_port->set_property(uris.lv2_portProperty, uris.lv2_toggled); _trig_port->set_property(uris.lv2_name, bufs.forge().alloc("Trigger")); - _ports->at(4) = _trig_port; + _ports->at(5) = _trig_port; } NoteNode::~NoteNode() @@ -176,6 +181,19 @@ NoteNode::process(ProcessContext& context) BlockImpl::post_process(context); } +static inline float +note_to_freq(uint8_t num) +{ + static const float A4 = 440.0f; + return A4 * powf(2.0f, (float)(num - 57.0f) / 12.0f); +} + +static inline float +note_to_octaves(uint8_t num) +{ + return (num - 60) / 12.0f; +} + void NoteNode::note_on(ProcessContext& context, uint8_t note_num, uint8_t velocity, FrameTime time) { @@ -236,6 +254,7 @@ NoteNode::note_on(ProcessContext& context, uint8_t note_num, uint8_t velocity, F assert(_keys[voice->note].voice == voice_num); _freq_port->set_voice_value(context, voice_num, time, note_to_freq(note_num)); + _octs_port->set_voice_value(context, voice_num, time, note_to_octaves(note_num)); _vel_port->set_voice_value(context, voice_num, time, velocity / 127.0f); _gate_port->set_voice_value(context, voice_num, time, 1.0f); _trig_port->set_voice_value(context, voice_num, time, 1.0f); @@ -293,6 +312,7 @@ NoteNode::free_voice(ProcessContext& context, uint32_t voice, FrameTime time) // Change the freq but leave the gate high and don't retrigger _freq_port->set_voice_value(context, voice, time, note_to_freq(replace_key_num)); + _octs_port->set_voice_value(context, voice, time, note_to_octaves(replace_key_num)); replace_key->state = Key::ON_ASSIGNED; replace_key->voice = voice; @@ -319,13 +339,6 @@ NoteNode::all_notes_off(ProcessContext& context, FrameTime time) } } -float -NoteNode::note_to_freq(uint8_t num) -{ - static const float A4 = 440.0f; - return A4 * powf(2.0f, (float)(num - 57.0f) / 12.0f); -} - void NoteNode::sustain_on(ProcessContext& context, FrameTime time) { -- cgit v1.2.1