1 #include "midi_mapper.h"
4 #include <google/protobuf/descriptor.h>
5 #include <google/protobuf/message.h>
15 #include "audio_mixer.h"
16 #include "nageru_midi_mapping.pb.h"
17 #include "shared/midi_device.h"
18 #include "shared/midi_mapper_util.h"
19 #include "shared/text_proto.h"
21 using namespace google::protobuf;
23 using namespace std::placeholders;
25 MIDIMapper::MIDIMapper(ControllerReceiver *receiver)
26 : receiver(receiver), mapping_proto(new MIDIMappingProto), midi_device(this)
30 MIDIMapper::~MIDIMapper() {}
32 bool load_midi_mapping_from_file(const string &filename, MIDIMappingProto *new_mapping)
34 return load_proto_from_file(filename, new_mapping);
37 bool save_midi_mapping_to_file(const MIDIMappingProto &mapping_proto, const string &filename)
39 return save_proto_to_file(mapping_proto, filename);
42 void MIDIMapper::set_midi_mapping(const MIDIMappingProto &new_mapping)
44 lock_guard<mutex> lock(mu);
46 mapping_proto->CopyFrom(new_mapping);
48 mapping_proto.reset(new MIDIMappingProto(new_mapping));
51 num_controller_banks = min(max(mapping_proto->num_controller_banks(), 1), 5);
52 current_controller_bank = 0;
54 receiver->clear_all_highlights();
58 void MIDIMapper::start_thread()
60 midi_device.start_thread();
63 const MIDIMappingProto &MIDIMapper::get_current_mapping() const
65 lock_guard<mutex> lock(mu);
66 return *mapping_proto;
69 ControllerReceiver *MIDIMapper::set_receiver(ControllerReceiver *new_receiver)
71 lock_guard<mutex> lock(mu);
72 swap(receiver, new_receiver);
73 return new_receiver; // Now old receiver.
76 void MIDIMapper::controller_received(int controller, int value_int)
78 const float value = map_controller_to_float(controller, value_int);
80 receiver->controller_changed(controller);
82 // Global controllers.
83 match_controller(controller, MIDIMappingBusProto::kLocutFieldNumber, MIDIMappingProto::kLocutBankFieldNumber,
84 value, bind(&ControllerReceiver::set_locut, receiver, _2));
85 match_controller(controller, MIDIMappingBusProto::kLimiterThresholdFieldNumber, MIDIMappingProto::kLimiterThresholdBankFieldNumber,
86 value, bind(&ControllerReceiver::set_limiter_threshold, receiver, _2));
87 match_controller(controller, MIDIMappingBusProto::kMakeupGainFieldNumber, MIDIMappingProto::kMakeupGainBankFieldNumber,
88 value, bind(&ControllerReceiver::set_makeup_gain, receiver, _2));
91 match_controller(controller, MIDIMappingBusProto::kStereoWidthFieldNumber, MIDIMappingProto::kStereoWidthBankFieldNumber,
92 value, bind(&ControllerReceiver::set_stereo_width, receiver, _1, _2));
93 match_controller(controller, MIDIMappingBusProto::kTrebleFieldNumber, MIDIMappingProto::kTrebleBankFieldNumber,
94 value, bind(&ControllerReceiver::set_treble, receiver, _1, _2));
95 match_controller(controller, MIDIMappingBusProto::kMidFieldNumber, MIDIMappingProto::kMidBankFieldNumber,
96 value, bind(&ControllerReceiver::set_mid, receiver, _1, _2));
97 match_controller(controller, MIDIMappingBusProto::kBassFieldNumber, MIDIMappingProto::kBassBankFieldNumber,
98 value, bind(&ControllerReceiver::set_bass, receiver, _1, _2));
99 match_controller(controller, MIDIMappingBusProto::kGainFieldNumber, MIDIMappingProto::kGainBankFieldNumber,
100 value, bind(&ControllerReceiver::set_gain, receiver, _1, _2));
101 match_controller(controller, MIDIMappingBusProto::kCompressorThresholdFieldNumber, MIDIMappingProto::kCompressorThresholdBankFieldNumber,
102 value, bind(&ControllerReceiver::set_compressor_threshold, receiver, _1, _2));
103 match_controller(controller, MIDIMappingBusProto::kFaderFieldNumber, MIDIMappingProto::kFaderBankFieldNumber,
104 value, bind(&ControllerReceiver::set_fader, receiver, _1, _2));
107 void MIDIMapper::note_on_received(int note)
109 lock_guard<mutex> lock(mu);
110 receiver->note_on(note);
112 for (size_t bus_idx = 0; bus_idx < size_t(mapping_proto->bus_mapping_size()); ++bus_idx) {
113 const MIDIMappingBusProto &bus_mapping = mapping_proto->bus_mapping(bus_idx);
114 if (bus_mapping.has_prev_bank() &&
115 bus_mapping.prev_bank().note_number() == note) {
116 current_controller_bank = (current_controller_bank + num_controller_banks - 1) % num_controller_banks;
118 update_lights_lock_held();
120 if (bus_mapping.has_next_bank() &&
121 bus_mapping.next_bank().note_number() == note) {
122 current_controller_bank = (current_controller_bank + 1) % num_controller_banks;
124 update_lights_lock_held();
126 if (bus_mapping.has_select_bank_1() &&
127 bus_mapping.select_bank_1().note_number() == note) {
128 current_controller_bank = 0;
130 update_lights_lock_held();
132 if (bus_mapping.has_select_bank_2() &&
133 bus_mapping.select_bank_2().note_number() == note &&
134 num_controller_banks >= 2) {
135 current_controller_bank = 1;
137 update_lights_lock_held();
139 if (bus_mapping.has_select_bank_3() &&
140 bus_mapping.select_bank_3().note_number() == note &&
141 num_controller_banks >= 3) {
142 current_controller_bank = 2;
144 update_lights_lock_held();
146 if (bus_mapping.has_select_bank_4() &&
147 bus_mapping.select_bank_4().note_number() == note &&
148 num_controller_banks >= 4) {
149 current_controller_bank = 3;
151 update_lights_lock_held();
153 if (bus_mapping.has_select_bank_5() &&
154 bus_mapping.select_bank_5().note_number() == note &&
155 num_controller_banks >= 5) {
156 current_controller_bank = 4;
158 update_lights_lock_held();
162 match_button(note, MIDIMappingBusProto::kToggleLocutFieldNumber, MIDIMappingProto::kToggleLocutBankFieldNumber,
163 bind(&ControllerReceiver::toggle_locut, receiver, _1));
164 match_button(note, MIDIMappingBusProto::kToggleAutoGainStagingFieldNumber, MIDIMappingProto::kToggleAutoGainStagingBankFieldNumber,
165 bind(&ControllerReceiver::toggle_auto_gain_staging, receiver, _1));
166 match_button(note, MIDIMappingBusProto::kToggleCompressorFieldNumber, MIDIMappingProto::kToggleCompressorBankFieldNumber,
167 bind(&ControllerReceiver::toggle_compressor, receiver, _1));
168 match_button(note, MIDIMappingBusProto::kClearPeakFieldNumber, MIDIMappingProto::kClearPeakBankFieldNumber,
169 bind(&ControllerReceiver::clear_peak, receiver, _1));
170 match_button(note, MIDIMappingBusProto::kToggleMuteFieldNumber, MIDIMappingProto::kClearPeakBankFieldNumber,
171 bind(&ControllerReceiver::toggle_mute, receiver, _1));
172 match_button(note, MIDIMappingBusProto::kToggleLimiterFieldNumber, MIDIMappingProto::kToggleLimiterBankFieldNumber,
173 bind(&ControllerReceiver::toggle_limiter, receiver));
174 match_button(note, MIDIMappingBusProto::kToggleAutoMakeupGainFieldNumber, MIDIMappingProto::kToggleAutoMakeupGainBankFieldNumber,
175 bind(&ControllerReceiver::toggle_auto_makeup_gain, receiver));
176 match_button(note, MIDIMappingBusProto::kSwitchVideoChannelFieldNumber, MIDIMappingProto::kSwitchVideoChannelBankFieldNumber,
177 bind(&ControllerReceiver::switch_video_channel, receiver, _1));
178 match_button(note, MIDIMappingBusProto::kApplyTransitionFieldNumber, MIDIMappingProto::kApplyTransitionBankFieldNumber,
179 bind(&ControllerReceiver::apply_transition, receiver, _1));
180 match_button(note, MIDIMappingBusProto::kPrevAudioViewFieldNumber, MIDIMappingProto::kPrevAudioViewBankFieldNumber,
181 bind(&ControllerReceiver::prev_audio_view, receiver));
182 match_button(note, MIDIMappingBusProto::kNextAudioViewFieldNumber, MIDIMappingProto::kNextAudioViewBankFieldNumber,
183 bind(&ControllerReceiver::prev_audio_view, receiver));
184 match_button(note, MIDIMappingBusProto::kBeginNewVideoSegmentFieldNumber, MIDIMappingProto::kBeginNewVideoSegmentBankFieldNumber,
185 bind(&ControllerReceiver::begin_new_segment, receiver));
186 match_button(note, MIDIMappingBusProto::kExitFieldNumber, MIDIMappingProto::kExitBankFieldNumber,
187 bind(&ControllerReceiver::exit, receiver));
190 void MIDIMapper::update_num_subscribers(unsigned num_subscribers)
192 num_subscribed_ports = num_subscribers;
196 void MIDIMapper::match_controller(int controller, int field_number, int bank_field_number, float value, function<void(unsigned, float)> func)
198 if (bank_mismatch(bank_field_number)) {
202 for (size_t bus_idx = 0; bus_idx < size_t(mapping_proto->bus_mapping_size()); ++bus_idx) {
203 const MIDIMappingBusProto &bus_mapping = mapping_proto->bus_mapping(bus_idx);
204 if (match_controller_helper(bus_mapping, field_number, controller)) {
205 func(bus_idx, value);
210 void MIDIMapper::match_button(int note, int field_number, int bank_field_number, function<void(unsigned)> func)
212 if (bank_mismatch(bank_field_number)) {
216 for (size_t bus_idx = 0; bus_idx < size_t(mapping_proto->bus_mapping_size()); ++bus_idx) {
217 const MIDIMappingBusProto &bus_mapping = mapping_proto->bus_mapping(bus_idx);
218 if (match_button_helper(bus_mapping, field_number, note)) {
224 bool MIDIMapper::has_active_controller(unsigned bus_idx, int field_number, int bank_field_number)
226 if (bank_mismatch(bank_field_number)) {
230 const MIDIMappingBusProto &bus_mapping = mapping_proto->bus_mapping(bus_idx);
231 const FieldDescriptor *descriptor = bus_mapping.GetDescriptor()->FindFieldByNumber(field_number);
232 const Reflection *bus_reflection = bus_mapping.GetReflection();
233 return bus_reflection->HasField(bus_mapping, descriptor);
236 bool MIDIMapper::bank_mismatch(int bank_field_number)
238 return !match_bank_helper(*mapping_proto, bank_field_number, current_controller_bank);
241 void MIDIMapper::refresh_highlights()
243 receiver->clear_all_highlights();
247 void MIDIMapper::refresh_lights()
249 lock_guard<mutex> lock(mu);
250 update_lights_lock_held();
253 void MIDIMapper::update_highlights()
255 if (num_subscribed_ports.load() == 0) {
256 receiver->clear_all_highlights();
260 // Global controllers.
261 bool highlight_locut = false;
262 bool highlight_limiter_threshold = false;
263 bool highlight_makeup_gain = false;
264 bool highlight_toggle_limiter = false;
265 bool highlight_toggle_auto_makeup_gain = false;
266 for (size_t bus_idx = 0; bus_idx < size_t(mapping_proto->bus_mapping_size()); ++bus_idx) {
267 if (has_active_controller(
268 bus_idx, MIDIMappingBusProto::kLocutFieldNumber, MIDIMappingProto::kLocutBankFieldNumber)) {
269 highlight_locut = true;
271 if (has_active_controller(
272 bus_idx, MIDIMappingBusProto::kLimiterThresholdFieldNumber, MIDIMappingProto::kLimiterThresholdBankFieldNumber)) {
273 highlight_limiter_threshold = true;
275 if (has_active_controller(
276 bus_idx, MIDIMappingBusProto::kMakeupGainFieldNumber, MIDIMappingProto::kMakeupGainBankFieldNumber)) {
277 highlight_makeup_gain = true;
279 if (has_active_controller(
280 bus_idx, MIDIMappingBusProto::kToggleLimiterFieldNumber, MIDIMappingProto::kToggleLimiterBankFieldNumber)) {
281 highlight_toggle_limiter = true;
283 if (has_active_controller(
284 bus_idx, MIDIMappingBusProto::kToggleAutoMakeupGainFieldNumber, MIDIMappingProto::kToggleAutoMakeupGainBankFieldNumber)) {
285 highlight_toggle_auto_makeup_gain = true;
288 receiver->highlight_locut(highlight_locut);
289 receiver->highlight_limiter_threshold(highlight_limiter_threshold);
290 receiver->highlight_makeup_gain(highlight_makeup_gain);
291 receiver->highlight_toggle_limiter(highlight_toggle_limiter);
292 receiver->highlight_toggle_auto_makeup_gain(highlight_toggle_auto_makeup_gain);
294 // Per-bus controllers.
295 for (size_t bus_idx = 0; bus_idx < size_t(mapping_proto->bus_mapping_size()); ++bus_idx) {
296 receiver->highlight_stereo_width(bus_idx, has_active_controller(
297 bus_idx, MIDIMappingBusProto::kStereoWidthFieldNumber, MIDIMappingProto::kStereoWidthBankFieldNumber));
298 receiver->highlight_treble(bus_idx, has_active_controller(
299 bus_idx, MIDIMappingBusProto::kTrebleFieldNumber, MIDIMappingProto::kTrebleBankFieldNumber));
300 receiver->highlight_mid(bus_idx, has_active_controller(
301 bus_idx, MIDIMappingBusProto::kMidFieldNumber, MIDIMappingProto::kMidBankFieldNumber));
302 receiver->highlight_bass(bus_idx, has_active_controller(
303 bus_idx, MIDIMappingBusProto::kBassFieldNumber, MIDIMappingProto::kBassBankFieldNumber));
304 receiver->highlight_gain(bus_idx, has_active_controller(
305 bus_idx, MIDIMappingBusProto::kGainFieldNumber, MIDIMappingProto::kGainBankFieldNumber));
306 receiver->highlight_compressor_threshold(bus_idx, has_active_controller(
307 bus_idx, MIDIMappingBusProto::kCompressorThresholdFieldNumber, MIDIMappingProto::kCompressorThresholdBankFieldNumber));
308 receiver->highlight_fader(bus_idx, has_active_controller(
309 bus_idx, MIDIMappingBusProto::kFaderFieldNumber, MIDIMappingProto::kFaderBankFieldNumber));
310 receiver->highlight_mute(bus_idx, has_active_controller(
311 bus_idx, MIDIMappingBusProto::kToggleMuteFieldNumber, MIDIMappingProto::kToggleMuteBankFieldNumber));
312 receiver->highlight_toggle_locut(bus_idx, has_active_controller(
313 bus_idx, MIDIMappingBusProto::kToggleLocutFieldNumber, MIDIMappingProto::kToggleLocutBankFieldNumber));
314 receiver->highlight_toggle_auto_gain_staging(bus_idx, has_active_controller(
315 bus_idx, MIDIMappingBusProto::kToggleAutoGainStagingFieldNumber, MIDIMappingProto::kToggleAutoGainStagingBankFieldNumber));
316 receiver->highlight_toggle_compressor(bus_idx, has_active_controller(
317 bus_idx, MIDIMappingBusProto::kToggleCompressorFieldNumber, MIDIMappingProto::kToggleCompressorBankFieldNumber));
321 void MIDIMapper::update_lights_lock_held()
323 if (global_audio_mixer == nullptr) {
327 map<MIDIDevice::LightKey, uint8_t> active_lights; // Desired state.
328 if (current_controller_bank == 0) {
329 activate_lights_all_buses(MIDIMappingBusProto::kBank1IsSelectedFieldNumber, &active_lights);
331 if (current_controller_bank == 1) {
332 activate_lights_all_buses(MIDIMappingBusProto::kBank2IsSelectedFieldNumber, &active_lights);
334 if (current_controller_bank == 2) {
335 activate_lights_all_buses(MIDIMappingBusProto::kBank3IsSelectedFieldNumber, &active_lights);
337 if (current_controller_bank == 3) {
338 activate_lights_all_buses(MIDIMappingBusProto::kBank4IsSelectedFieldNumber, &active_lights);
340 if (current_controller_bank == 4) {
341 activate_lights_all_buses(MIDIMappingBusProto::kBank5IsSelectedFieldNumber, &active_lights);
343 if (global_audio_mixer->get_limiter_enabled()) {
344 activate_lights_all_buses(MIDIMappingBusProto::kLimiterIsOnFieldNumber, &active_lights);
346 if (global_audio_mixer->get_final_makeup_gain_auto()) {
347 activate_lights_all_buses(MIDIMappingBusProto::kAutoMakeupGainIsOnFieldNumber, &active_lights);
349 unsigned num_buses = min<unsigned>(global_audio_mixer->num_buses(), mapping_proto->bus_mapping_size());
350 for (unsigned bus_idx = 0; bus_idx < num_buses; ++bus_idx) {
351 const MIDIMappingBusProto &bus_mapping = mapping_proto->bus_mapping(bus_idx);
352 if (global_audio_mixer->get_mute(bus_idx)) {
353 activate_mapped_light(bus_mapping, MIDIMappingBusProto::kIsMutedFieldNumber, &active_lights);
355 if (global_audio_mixer->get_locut_enabled(bus_idx)) {
356 activate_mapped_light(bus_mapping, MIDIMappingBusProto::kLocutIsOnFieldNumber, &active_lights);
358 if (global_audio_mixer->get_gain_staging_auto(bus_idx)) {
359 activate_mapped_light(bus_mapping, MIDIMappingBusProto::kAutoGainStagingIsOnFieldNumber, &active_lights);
361 if (global_audio_mixer->get_compressor_enabled(bus_idx)) {
362 activate_mapped_light(bus_mapping, MIDIMappingBusProto::kCompressorIsOnFieldNumber, &active_lights);
364 if (has_peaked[bus_idx]) {
365 activate_mapped_light(bus_mapping, MIDIMappingBusProto::kHasPeakedFieldNumber, &active_lights);
369 midi_device.update_lights(active_lights);
372 void MIDIMapper::activate_lights_all_buses(int field_number, map<MIDIDevice::LightKey, uint8_t> *active_lights)
374 for (size_t bus_idx = 0; bus_idx < size_t(mapping_proto->bus_mapping_size()); ++bus_idx) {
375 const MIDIMappingBusProto &bus_mapping = mapping_proto->bus_mapping(bus_idx);
376 activate_mapped_light(bus_mapping, field_number, active_lights);