--- /dev/null
+#include "midi_mapper.h"
+
+#include <alsa/asoundlib.h>
+#include <assert.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <google/protobuf/descriptor.h>
+#include <google/protobuf/io/zero_copy_stream_impl.h>
+#include <google/protobuf/message.h>
+#include <google/protobuf/text_format.h>
+#include <pthread.h>
+#include <poll.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <sys/eventfd.h>
+#include <unistd.h>
+#include <algorithm>
+#include <functional>
+#include <thread>
+
+#include "defs.h"
+#include "futatabi_midi_mapping.pb.h"
+#include "shared/midi_mapper_util.h"
+#include "shared/text_proto.h"
+
+using namespace google::protobuf;
+using namespace std;
+using namespace std::placeholders;
+
+MIDIMapper::MIDIMapper(ControllerReceiver *receiver)
+ : receiver(receiver), mapping_proto(new MIDIMappingProto), midi_device(this)
+{
+}
+
+MIDIMapper::~MIDIMapper() {}
+
+bool load_midi_mapping_from_file(const string &filename, MIDIMappingProto *new_mapping)
+{
+ return load_proto_from_file(filename, new_mapping);
+}
+
+bool save_midi_mapping_to_file(const MIDIMappingProto &mapping_proto, const string &filename)
+{
+ return save_proto_to_file(mapping_proto, filename);
+}
+
+void MIDIMapper::set_midi_mapping(const MIDIMappingProto &new_mapping)
+{
+ lock_guard<mutex> lock(mu);
+ if (mapping_proto) {
+ mapping_proto->CopyFrom(new_mapping);
+ } else {
+ mapping_proto.reset(new MIDIMappingProto(new_mapping));
+ }
+
+ num_controller_banks = min(max(mapping_proto->num_controller_banks(), 1), 5);
+ current_controller_bank = 0;
+}
+
+void MIDIMapper::start_thread()
+{
+ midi_device.start_thread();
+}
+
+const MIDIMappingProto &MIDIMapper::get_current_mapping() const
+{
+ lock_guard<mutex> lock(mu);
+ return *mapping_proto;
+}
+
+ControllerReceiver *MIDIMapper::set_receiver(ControllerReceiver *new_receiver)
+{
+ lock_guard<mutex> lock(mu);
+ swap(receiver, new_receiver);
+ return new_receiver; // Now old receiver.
+}
+
+void MIDIMapper::controller_received(int controller, int value_int)
+{
+ int delta_value = value_int - 64; // For infinite controllers such as jog.
+
+ receiver->controller_changed(controller);
+
+ match_controller(controller, MIDIMappingProto::kJogFieldNumber, MIDIMappingProto::kJogBankFieldNumber,
+ delta_value, bind(&ControllerReceiver::jog, receiver, _1));
+}
+
+void MIDIMapper::note_on_received(int note)
+{
+ lock_guard<mutex> lock(mu);
+ receiver->note_on(note);
+
+ if (mapping_proto->has_prev_bank() &&
+ mapping_proto->prev_bank().note_number() == note) {
+ current_controller_bank = (current_controller_bank + num_controller_banks - 1) % num_controller_banks;
+ update_lights_lock_held();
+ }
+ if (mapping_proto->has_next_bank() &&
+ mapping_proto->next_bank().note_number() == note) {
+ current_controller_bank = (current_controller_bank + 1) % num_controller_banks;
+ update_lights_lock_held();
+ }
+ if (mapping_proto->has_select_bank_1() &&
+ mapping_proto->select_bank_1().note_number() == note) {
+ current_controller_bank = 0;
+ update_lights_lock_held();
+ }
+ if (mapping_proto->has_select_bank_2() &&
+ mapping_proto->select_bank_2().note_number() == note &&
+ num_controller_banks >= 2) {
+ current_controller_bank = 1;
+ update_lights_lock_held();
+ }
+ if (mapping_proto->has_select_bank_3() &&
+ mapping_proto->select_bank_3().note_number() == note &&
+ num_controller_banks >= 3) {
+ current_controller_bank = 2;
+ update_lights_lock_held();
+ }
+ if (mapping_proto->has_select_bank_4() &&
+ mapping_proto->select_bank_4().note_number() == note &&
+ num_controller_banks >= 4) {
+ current_controller_bank = 3;
+ update_lights_lock_held();
+ }
+ if (mapping_proto->has_select_bank_5() &&
+ mapping_proto->select_bank_5().note_number() == note &&
+ num_controller_banks >= 5) {
+ current_controller_bank = 4;
+ update_lights_lock_held();
+ }
+
+ match_button(note, MIDIMappingProto::kPreviewFieldNumber, MIDIMappingProto::kPreviewBankFieldNumber,
+ bind(&ControllerReceiver::preview, receiver));
+ match_button(note, MIDIMappingProto::kQueueFieldNumber, MIDIMappingProto::kQueueBankFieldNumber,
+ bind(&ControllerReceiver::queue, receiver));
+ match_button(note, MIDIMappingProto::kPlayFieldNumber, MIDIMappingProto::kPlayBankFieldNumber,
+ bind(&ControllerReceiver::play, receiver));
+
+ unsigned num_cameras = std::min(MAX_STREAMS, mapping_proto->camera_size());
+ for (unsigned camera_idx = 0; camera_idx < num_cameras; ++camera_idx) {
+ const CameraMIDIMappingProto &camera = mapping_proto->camera(camera_idx);
+ if (match_bank_helper(camera, CameraMIDIMappingProto::kBankFieldNumber, current_controller_bank) &&
+ match_button_helper(camera, CameraMIDIMappingProto::kButtonFieldNumber, note)) {
+ receiver->switch_camera(camera_idx);
+ }
+ }
+
+ match_button(note, MIDIMappingProto::kCueInFieldNumber, MIDIMappingProto::kCueInBankFieldNumber,
+ bind(&ControllerReceiver::cue_in, receiver));
+ match_button(note, MIDIMappingProto::kCueOutFieldNumber, MIDIMappingProto::kCueOutBankFieldNumber,
+ bind(&ControllerReceiver::cue_out, receiver));
+}
+
+void MIDIMapper::match_controller(int controller, int field_number, int bank_field_number, float value, function<void(float)> func)
+{
+ if (bank_mismatch(bank_field_number)) {
+ return;
+ }
+
+ if (match_controller_helper(*mapping_proto, field_number, controller)) {
+ func(value);
+ }
+}
+
+void MIDIMapper::match_button(int note, int field_number, int bank_field_number, function<void()> func)
+{
+ if (bank_mismatch(bank_field_number)) {
+ return;
+ }
+
+ if (match_button_helper(*mapping_proto, field_number, note)) {
+ func();
+ }
+}
+
+bool MIDIMapper::has_active_controller(int field_number, int bank_field_number)
+{
+ if (bank_mismatch(bank_field_number)) {
+ return false;
+ }
+
+ const FieldDescriptor *descriptor = mapping_proto->GetDescriptor()->FindFieldByNumber(field_number);
+ const Reflection *reflection = mapping_proto->GetReflection();
+ return reflection->HasField(*mapping_proto, descriptor);
+}
+
+bool MIDIMapper::bank_mismatch(int bank_field_number)
+{
+ return !match_bank_helper(*mapping_proto, bank_field_number, current_controller_bank);
+}
+
+void MIDIMapper::refresh_lights()
+{
+ lock_guard<mutex> lock(mu);
+ update_lights_lock_held();
+}
+
+void MIDIMapper::update_lights_lock_held()
+{
+ set<unsigned> active_lights; // Desired state.
+ if (current_controller_bank == 0) {
+ activate_mapped_light(*mapping_proto, MIDIMappingProto::kBank1IsSelectedFieldNumber, &active_lights);
+ }
+ if (current_controller_bank == 1) {
+ activate_mapped_light(*mapping_proto, MIDIMappingProto::kBank2IsSelectedFieldNumber, &active_lights);
+ }
+ if (current_controller_bank == 2) {
+ activate_mapped_light(*mapping_proto, MIDIMappingProto::kBank3IsSelectedFieldNumber, &active_lights);
+ }
+ if (current_controller_bank == 3) {
+ activate_mapped_light(*mapping_proto, MIDIMappingProto::kBank4IsSelectedFieldNumber, &active_lights);
+ }
+ if (current_controller_bank == 4) {
+ activate_mapped_light(*mapping_proto, MIDIMappingProto::kBank5IsSelectedFieldNumber, &active_lights);
+ }
+ if (preview_enabled_light) {
+ activate_mapped_light(*mapping_proto, MIDIMappingProto::kPreviewEnabledFieldNumber, &active_lights);
+ }
+ if (queue_enabled_light) {
+ activate_mapped_light(*mapping_proto, MIDIMappingProto::kQueueEnabledFieldNumber, &active_lights);
+ }
+ if (play_enabled_light) {
+ activate_mapped_light(*mapping_proto, MIDIMappingProto::kPlayEnabledFieldNumber, &active_lights);
+ }
+ if (current_highlighted_camera >= 0 && current_highlighted_camera < mapping_proto->camera_size()) {
+ const CameraMIDIMappingProto &camera = mapping_proto->camera(current_highlighted_camera);
+ activate_mapped_light(camera, CameraMIDIMappingProto::kIsCurrentFieldNumber, &active_lights);
+ }
+
+ // These are always enabled right now.
+ activate_mapped_light(*mapping_proto, MIDIMappingProto::kCueInFieldNumber, &active_lights);
+ activate_mapped_light(*mapping_proto, MIDIMappingProto::kCueOutFieldNumber, &active_lights);
+
+ midi_device.update_lights(active_lights);
+}
projects / nageru / blobdiff