//************************************************************************************** //4 channel mixer module for VCV Rack by Alfredo Santamaria - AS - https://github.com/AScustomWorks/AS // //Based on DrumsMixer VCV Rack by Autodafe http://www.autodafe.net //Based on code taken from the Fundamentals plugins by Andrew Belt http://www.vcvrack.com //************************************************************************************** #include "AS.hpp" #include "dsp/digital.hpp" struct Mixer4ch : Module { enum ParamIds { MIX_PARAM, CH1_PARAM, CH2_PARAM, CH3_PARAM, CH4_PARAM, CH1_PAN_PARAM, CH2_PAN_PARAM, CH3_PAN_PARAM, CH4_PAN_PARAM, CH1MUTE, CH2MUTE, CH3MUTE, CH4MUTE, MASTER_MUTE, NUM_PARAMS }; enum InputIds { MIX_CV_INPUT, CH1_INPUT, CH1_CV_INPUT, CH1_CV_PAN_INPUT, CH2_INPUT, CH2_CV_INPUT, CH2_CV_PAN_INPUT, CH3_INPUT, CH3_CV_INPUT, CH3_CV_PAN_INPUT, CH4_INPUT, CH4_CV_INPUT, CH4_CV_PAN_INPUT, LINK_L, LINK_R, NUM_INPUTS }; enum OutputIds { MIX_OUTPUTL, MIX_OUTPUTR, CH1_OUTPUT, CH2_OUTPUT, CH3_OUTPUT, CH4_OUTPUT, NUM_OUTPUTS }; enum LightIds { MUTE_LIGHT1, MUTE_LIGHT2, MUTE_LIGHT3, MUTE_LIGHT4, MUTE_LIGHT_MASTER, NUM_LIGHTS }; Mixer4ch() : Module(NUM_PARAMS, NUM_INPUTS, NUM_OUTPUTS, NUM_LIGHTS) { reset(); } void step() override; SchmittTrigger ch1mute; SchmittTrigger ch2mute; SchmittTrigger ch3mute; SchmittTrigger ch4mute; SchmittTrigger chMmute; float ch1m = false; float ch2m = false; float ch3m = false; float ch4m = false; float chMm = false; float mixL = 0.0f; float mixR = 0.0f; json_t *toJson()override { json_t *rootJm = json_object(); json_t *mutesJ = json_array(); json_t *muteJ1 = json_integer((int) ch1m); json_t *muteJ2 = json_integer((int) ch2m); json_t *muteJ3 = json_integer((int) ch3m); json_t *muteJ4 = json_integer((int) ch4m); json_t *muteJ5 = json_integer((int) chMm); json_array_append_new(mutesJ, muteJ1); json_array_append_new(mutesJ, muteJ2); json_array_append_new(mutesJ, muteJ3); json_array_append_new(mutesJ, muteJ4); json_array_append_new(mutesJ, muteJ5); json_object_set_new(rootJm, "as_Mixer4Mutes", mutesJ); return rootJm; } void fromJson(json_t *rootJm)override { json_t *mutesJ = json_object_get(rootJm, "as_Mixer4Mutes"); json_t *muteJ1 = json_array_get(mutesJ, 0); json_t *muteJ2 = json_array_get(mutesJ, 1); json_t *muteJ3 = json_array_get(mutesJ, 2); json_t *muteJ4 = json_array_get(mutesJ, 3); json_t *muteJ5 = json_array_get(mutesJ, 4); ch1m = !!json_integer_value(muteJ1); ch2m = !!json_integer_value(muteJ2); ch3m = !!json_integer_value(muteJ3); ch4m = !!json_integer_value(muteJ4); chMm = !!json_integer_value(muteJ5); } //PAN LEVEL float PanL(float balance, float cv) { // -1...+1 float p, inp; inp = balance + cv / 5; p = M_PI * (clamp(inp, -1.0f, 1.0f) + 1) / 4; return ::cos(p); } float PanR(float balance , float cv) { float p, inp; inp = balance + cv / 5; p = M_PI * (clamp(inp, -1.0f, 1.0f) + 1) / 4; return ::sin(p); } }; void Mixer4ch::step() { //MUTE BUTTONS if (ch1mute.process(params[CH1MUTE].value)) { ch1m = !ch1m; } lights[MUTE_LIGHT1].value = ch1m ? 1.0f : 0.0f; if (ch2mute.process(params[CH2MUTE].value)) { ch2m = !ch2m; } lights[MUTE_LIGHT2].value = ch2m ? 1.0f : 0.0f; if (ch3mute.process(params[CH3MUTE].value)) { ch3m = !ch3m; } lights[MUTE_LIGHT3].value = ch3m ? 1.0f : 0.0f; if (ch4mute.process(params[CH4MUTE].value)) { ch4m = !ch4m; } lights[MUTE_LIGHT4].value = ch4m ? 1.0f : 0.0f; if (chMmute.process(params[MASTER_MUTE].value)) { chMm = !chMm; } lights[MUTE_LIGHT_MASTER].value = chMm ? 1.0f : 0.0f; //CHANNEL RESULTS float ch1L = (1-ch1m) * (inputs[CH1_INPUT].value) * params[CH1_PARAM].value * PanL(params[CH1_PAN_PARAM].value,(inputs[CH1_CV_PAN_INPUT].value))* clamp(inputs[CH1_CV_INPUT].normalize(10.0f) / 10.0f, 0.0f, 1.0f); float ch1R = (1-ch1m) * (inputs[CH1_INPUT].value) * params[CH1_PARAM].value * PanR(params[CH1_PAN_PARAM].value,(inputs[CH1_CV_PAN_INPUT].value)) * clamp(inputs[CH1_CV_INPUT].normalize(10.0f) / 10.0f, 0.0f, 1.0f); float ch2L = (1-ch2m) *(inputs[CH2_INPUT].value) * params[CH2_PARAM].value * PanL(params[CH2_PAN_PARAM].value,(inputs[CH2_CV_PAN_INPUT].value)) * clamp(inputs[CH2_CV_INPUT].normalize(10.0f) / 10.0f, 0.0f, 1.0f); float ch2R = (1-ch2m) *(inputs[CH2_INPUT].value) * params[CH2_PARAM].value * PanR(params[CH2_PAN_PARAM].value,(inputs[CH2_CV_PAN_INPUT].value)) * clamp(inputs[CH2_CV_INPUT].normalize(10.0f) / 10.0f, 0.0f, 1.0f); float ch3L = (1-ch3m) *(inputs[CH3_INPUT].value) * params[CH3_PARAM].value * PanL(params[CH3_PAN_PARAM].value,(inputs[CH3_CV_PAN_INPUT].value)) * clamp(inputs[CH3_CV_INPUT].normalize(10.0f) / 10.0f, 0.0f, 1.0f); float ch3R = (1-ch3m) *(inputs[CH3_INPUT].value) * params[CH3_PARAM].value * PanR(params[CH3_PAN_PARAM].value,(inputs[CH3_CV_PAN_INPUT].value)) * clamp(inputs[CH3_CV_INPUT].normalize(10.0f) / 10.0f, 0.0f, 1.0f); float ch4L = (1-ch4m) *(inputs[CH4_INPUT].value) * params[CH4_PARAM].value * PanL(params[CH4_PAN_PARAM].value,(inputs[CH4_CV_PAN_INPUT].value)) * clamp(inputs[CH4_CV_INPUT].normalize(10.0f) / 10.0f, 0.0f, 1.0f); float ch4R = (1-ch4m) *(inputs[CH4_INPUT].value) * params[CH4_PARAM].value * PanR(params[CH4_PAN_PARAM].value,(inputs[CH4_CV_PAN_INPUT].value)) * clamp(inputs[CH4_CV_INPUT].normalize(10.0f) / 10.0f, 0.0f, 1.0f); if(!chMm){ mixL = (ch1L + ch2L + ch3L +ch4L) * params[MIX_PARAM].value * clamp(inputs[MIX_CV_INPUT].normalize(10.0f) / 10.0f, 0.0f, 1.0f); mixR = (ch1R + ch2R + ch3R +ch4R) * params[MIX_PARAM].value * clamp(inputs[MIX_CV_INPUT].normalize(10.0f) / 10.0f, 0.0f, 1.0f); //CHECK FOR INPUT FROM ANOTHER MIXER if(inputs[LINK_L].active && inputs[LINK_R].active){ mixL += inputs[LINK_L].value; mixR += inputs[LINK_R].value; } }else{ mixL = 0.0f; mixR = 0.0f; } outputs[CH1_OUTPUT].value= ch1L+ch1R; outputs[CH2_OUTPUT].value= ch2L+ch2R; outputs[CH3_OUTPUT].value= ch3L+ch3R; outputs[CH4_OUTPUT].value= ch4L+ch4R; //check for MONO OUTPUT if(!outputs[MIX_OUTPUTR].active){ outputs[MIX_OUTPUTL].value= mixL+mixR; outputs[MIX_OUTPUTR].value= 0.0f; }else{ outputs[MIX_OUTPUTL].value= mixL; outputs[MIX_OUTPUTR].value= mixR; } //outputs[MIX_OUTPUTL].value= mixL; //outputs[MIX_OUTPUTR].value= mixR; } struct Mixer4chWidget : ModuleWidget { Mixer4chWidget(Mixer4ch *module); }; Mixer4chWidget::Mixer4chWidget(Mixer4ch *module) : ModuleWidget(module) { setPanel(SVG::load(assetPlugin(plugin, "res/4chMixer.svg"))); //SCREWS addChild(Widget::create(Vec(RACK_GRID_WIDTH, 0))); addChild(Widget::create(Vec(box.size.x - 2 * RACK_GRID_WIDTH, 0))); addChild(Widget::create(Vec(RACK_GRID_WIDTH, RACK_GRID_HEIGHT - RACK_GRID_WIDTH))); addChild(Widget::create(Vec(box.size.x - 2 * RACK_GRID_WIDTH, RACK_GRID_HEIGHT - RACK_GRID_WIDTH))); //PAN KNOBS static const float columnPos[8] = {33,73,113,153, 193, 233, 273, 313}; static const float panPosY = 180; addParam(ParamWidget::create(Vec(columnPos[0]-5, panPosY), module, Mixer4ch::CH1_PAN_PARAM, -1.0f, 1.0f, 0.0f)); addParam(ParamWidget::create(Vec(columnPos[1]-5, panPosY), module, Mixer4ch::CH2_PAN_PARAM, -1.0f, 1.0f, 0.0f)); addParam(ParamWidget::create(Vec(columnPos[2]-5, panPosY), module, Mixer4ch::CH3_PAN_PARAM, -1.0f, 1.0f, 0.0f)); addParam(ParamWidget::create(Vec(columnPos[3]-5, panPosY), module, Mixer4ch::CH4_PAN_PARAM, -1.0f, 1.0f, 0.0f)); //VOLUME FADERS static const float volPosY = 223; addParam(ParamWidget::create(Vec(columnPos[0]+2, volPosY), module, Mixer4ch::CH1_PARAM, 0.0f, 1.0f, 0.8f)); addParam(ParamWidget::create(Vec(columnPos[1]+2, volPosY), module, Mixer4ch::CH2_PARAM, 0.0f, 1.0f, 0.8f)); addParam(ParamWidget::create(Vec(columnPos[2]+2, volPosY), module, Mixer4ch::CH3_PARAM, 0.0f, 1.0f, 0.8f)); addParam(ParamWidget::create(Vec(columnPos[3]+2, volPosY), module, Mixer4ch::CH4_PARAM, 0.0f, 1.0f, 0.8f)); //MUTES static const float mutePosY = 310; addParam(ParamWidget::create(Vec(columnPos[0]+3, mutePosY), module, Mixer4ch::CH1MUTE , 0.0f, 1.0f, 0.0f)); addChild(ModuleLightWidget::create>(Vec(columnPos[0]+5.2, mutePosY+2), module, Mixer4ch::MUTE_LIGHT1)); addParam(ParamWidget::create(Vec(columnPos[1]+3, mutePosY), module, Mixer4ch::CH2MUTE , 0.0f, 1.0f, 0.0f)); addChild(ModuleLightWidget::create>(Vec(columnPos[1]+5.2, mutePosY+2), module, Mixer4ch::MUTE_LIGHT2)); addParam(ParamWidget::create(Vec(columnPos[2]+3, mutePosY), module, Mixer4ch::CH3MUTE , 0.0f, 1.0f, 0.0f)); addChild(ModuleLightWidget::create>(Vec(columnPos[2]+5.2, mutePosY+2), module, Mixer4ch::MUTE_LIGHT3)); addParam(ParamWidget::create(Vec(columnPos[3]+3, mutePosY), module, Mixer4ch::CH4MUTE , 0.0f, 1.0f, 0.0f)); addChild(ModuleLightWidget::create>(Vec(columnPos[3]+5.2, mutePosY+2), module, Mixer4ch::MUTE_LIGHT4)); //PORTS static const float portsY[4] = {60,90,120,150}; addInput(Port::create(Vec(columnPos[0], portsY[0]), Port::INPUT, module, Mixer4ch::CH1_INPUT)); addInput(Port::create(Vec(columnPos[0], portsY[1]), Port::INPUT, module, Mixer4ch::CH1_CV_INPUT)); addInput(Port::create(Vec(columnPos[0], portsY[2]), Port::INPUT, module, Mixer4ch::CH1_CV_PAN_INPUT)); addInput(Port::create(Vec(columnPos[1], portsY[0]), Port::INPUT, module, Mixer4ch::CH2_INPUT)); addInput(Port::create(Vec(columnPos[1], portsY[1]), Port::INPUT, module, Mixer4ch::CH2_CV_INPUT)); addInput(Port::create(Vec(columnPos[1], portsY[2]), Port::INPUT, module, Mixer4ch::CH2_CV_PAN_INPUT)); addInput(Port::create(Vec(columnPos[2], portsY[0]), Port::INPUT, module, Mixer4ch::CH3_INPUT)); addInput(Port::create(Vec(columnPos[2], portsY[1]), Port::INPUT, module, Mixer4ch::CH3_CV_INPUT)); addInput(Port::create(Vec(columnPos[2], portsY[2]), Port::INPUT, module, Mixer4ch::CH3_CV_PAN_INPUT)); addInput(Port::create(Vec(columnPos[3], portsY[0]), Port::INPUT, module, Mixer4ch::CH4_INPUT)); addInput(Port::create(Vec(columnPos[3], portsY[1]), Port::INPUT, module, Mixer4ch::CH4_CV_INPUT)); addInput(Port::create(Vec(columnPos[3], portsY[2]), Port::INPUT, module, Mixer4ch::CH4_CV_PAN_INPUT)); addOutput(Port::create(Vec(columnPos[0], portsY[3]), Port::OUTPUT, module, Mixer4ch::CH1_OUTPUT)); addOutput(Port::create(Vec(columnPos[1], portsY[3]), Port::OUTPUT, module, Mixer4ch::CH2_OUTPUT)); addOutput(Port::create(Vec(columnPos[2], portsY[3]), Port::OUTPUT, module, Mixer4ch::CH3_OUTPUT)); addOutput(Port::create(Vec(columnPos[3], portsY[3]), Port::OUTPUT, module, Mixer4ch::CH4_OUTPUT)); //OUTPUT static const float mstrX = 206; addOutput(Port::create(Vec(mstrX, portsY[0]), Port::OUTPUT, module, Mixer4ch::MIX_OUTPUTL)); addOutput(Port::create(Vec(mstrX, portsY[1]), Port::OUTPUT, module, Mixer4ch::MIX_OUTPUTR)); addInput(Port::create(Vec(mstrX, portsY[3]), Port::INPUT, module, Mixer4ch::MIX_CV_INPUT)); addParam(ParamWidget::create(Vec(mstrX, volPosY), module, Mixer4ch::MIX_PARAM, 0.0f, 1.0f, 0.8f)); addParam(ParamWidget::create(Vec(mstrX, mutePosY), module, Mixer4ch::MASTER_MUTE , 0.0f, 1.0f, 0.0f)); addChild(ModuleLightWidget::create>(Vec(mstrX+2.2, mutePosY+2), module, Mixer4ch::MUTE_LIGHT_MASTER)); //LINK addInput(Port::create(Vec(columnPos[0], 30), Port::INPUT, module, Mixer4ch::LINK_L)); addInput(Port::create(Vec(columnPos[1], 30), Port::INPUT, module, Mixer4ch::LINK_R)); } RACK_PLUGIN_MODEL_INIT(AS, Mixer4ch) { Model *modelMixer4ch = Model::create("AS", "Mixer4ch", "4-CH Mixer", MIXER_TAG, AMPLIFIER_TAG); return modelMixer4ch; }