WIP

CMakeLists.txt

@@ -8,16 +8,14 @@ find_package(udev REQUIRED)
 find_package(HIDAPI REQUIRED)
 pkg_check_modules(LIBUSB REQUIRED libusb-1.0)
 find_package(Threads REQUIRED)
-find_library(PULSE_FOUND NAMES pulse)
+
-if (PULSE_FOUND)
+find_package(JACK REQUIRED)
-    set(DYNAMIC_LIBRARIES ${DYNAMIC_LIBRARIES} pulse pulse-simple)
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -D_ENABLE_PULSE")
-    set(CMAKE_LD_FLAGS "${CMAKE_LD_FLAGS} -D_ENABLE_PULSE")
-endif ()
 
 set(SOURCE_FILES
         src/VulcanoLE/API/HIDHelper.cpp
+        src/VulcanoLE/API/I2C.cpp
         src/VulcanoLE/Keyboards/Vulcan121.cpp
+        src/VulcanoLE/Audio/JackClient.cpp
         src/VulcanoLE/Audio/AudioGrabber.cpp
         src/VulcanoLE/Audio/FFT.cpp
         src/VulcanoLE/Audio/VisAudioRunner.cpp
@@ -27,6 +25,8 @@ set(SOURCE_FILES
         src/VulcanoLE/Scripts/Spectrum.cpp
         src/VulcanoLE/Scripts/PoliceLike.cpp
         src/VulcanoLE/Scripts/RainbowLine.cpp
+        src/VulcanoLE/Scripts/Random.cpp
+        src/VulcanoLE/Scripts/RainbowMap.cpp
         )
 set(UTILS_FILES
         src/VUtils/Logging.cpp
@@ -41,5 +41,5 @@ add_executable(
         VulcanoLE main.cpp
         ${SOURCE_FILES} ${UTILS_FILES}
 )
-target_link_libraries(VulcanoLE fftw3 evdev hidapi-libusb udev ${CMAKE_DL_LIBS} ${DYNAMIC_LIBRARIES} Threads::Threads m
+target_link_libraries(VulcanoLE fftw3 evdev hidapi-libusb udev jack ${CMAKE_DL_LIBS} ${DYNAMIC_LIBRARIES} Threads::Threads m
         debug tbb)

cmake/FindJACK.cmake

@@ -0,0 +1,19 @@
+# Copyright (c) 2015 Andrew Kelley
+# This file is MIT licensed.
+# See http://opensource.org/licenses/MIT
+
+# JACK_FOUND
+# JACK_INCLUDE_DIR
+# JACK_LIBRARY
+
+find_path(JACK_INCLUDE_DIR NAMES jack/jack.h)
+
+find_library(JACK_LIBRARY NAMES jack)
+
+include(CheckLibraryExists)
+check_library_exists(jack "jack_set_port_rename_callback" "${JACK_LIBRARY}" HAVE_jack_set_port_rename_callback)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(JACK DEFAULT_MSG JACK_LIBRARY JACK_INCLUDE_DIR HAVE_jack_set_port_rename_callback)
+
+mark_as_advanced(JACK_INCLUDE_DIR JACK_LIBRARY)

headers/VUtils/FileHandler.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include <string>
+#include <vector>
 
 namespace VUtils {
     class FileHandler {
@@ -17,6 +18,7 @@ namespace VUtils {
         static bool createDirectoryIfNotExist(const std::basic_string<char>& fileName);
         static char * getHomeDirectory();
         static std::string getFromHomeDir(const std::basic_string<char>& path);
+        static std::vector<std::string> readDir(const std::basic_string<char>& path);
     };
 }
 

headers/VUtils/Math.h

@@ -6,5 +6,6 @@ namespace VUtils {
         static double lerp(double a, double b, double f);
         static double bezierBlend(double t);
         static double easeIn(double ratio);
+        static double map(double x, double in_min, double in_max, double out_min, double out_max);
     };
 }

headers/VulcanoLE/API/I2C.h

@@ -0,0 +1,12 @@
+#pragma once
+
+#include <string>
+
+struct I2CDevice {
+    std::string name;
+};
+
+class I2C {
+public:
+    int readDevices();
+};

headers/VulcanoLE/Audio/AudioGrabber.h

@@ -1,8 +1,4 @@
 #pragma once
-
-#include <pulse/error.h>
-#include <pulse/pulseaudio.h>
-#include <pulse/simple.h>
 #include <unistd.h>
 #include <string>
 #include <fstream>
@@ -12,14 +8,6 @@
 #include <VulcanoLE/Audio/FFT.h>
 #include <VulcanoLE/Audio/Types.h>
 
-static const char recStreamName[] = "vulcanoLE";
-static const char recStreamDescription[] = "Keyboard Input Stream";
-
-static const int32_t sampleRate = 44100;
-static const int32_t channels = 2;
-
-static const std::string defaultMonitorPostfix = ".monitor";
-
 class AudioGrabber {
 public:
     enum class ReqMode {
@@ -42,17 +30,8 @@ public:
 private:
     std::mutex m_mtx;
     stereoSample *m_buffer{};
-    pa_simple *m_pulseaudioSimple{};
-    pa_mainloop *m_pulseaudioMainloop{};
-    std::string m_PulseaudioDefaultSourceName;
-    void populateDefaultSourceName();
-    bool openPulseaudioSource(uint32_t maxBufferSize);
-    static void pulseaudioContextStateCallback(pa_context *c,
-                                               void *userdata);
-    static void pulseaudioServerInfoCallback(pa_context *context,
-                                             const pa_server_info *i,
-                                             void *userdata);
     void calculateRMS(stereoSample *pFrame);
     void calculatePEAK(stereoSample *pFrame);
     double m_scale = 1.0;
+    int availableData = 0;
 };

headers/VulcanoLE/Audio/FFT.h

@@ -11,14 +11,18 @@ public:
     void process(stereoSample *frame, double d);
     outputSample *getData();
     bool prepareInput(stereoSample *buffer, uint32_t sampleSize, double scale);
+    double hannWindow[BUFFER_SIZE]{};
 protected:
-    double *m_fftwInputLeft{};
+    fftw_complex *m_fftwInputLeft{};
-    double *m_fftwInputRight{};
+    fftw_complex *m_fftwInputRight{};
     fftw_complex *m_fftwOutputLeft{};
     fftw_complex *m_fftwOutputRight{};
-    outputSample *m_sample = new outputSample(FFT_SIZE);
+    outputSample *m_sample = new outputSample(BUFFER_SIZE);
     fftw_plan m_fftwPlanLeft{};
     fftw_plan m_fftwPlanRight{};
     std::mutex m_mtx;
     size_t m_fftwResults;
+    static double valueToAmp(double value);
+    double times;
+    static double limit;
 };

headers/VulcanoLE/Audio/JackClient.h

@@ -0,0 +1,46 @@
+#pragma once
+
+#include <VUtils/Environment.h>
+#include <jack/jack.h>
+#include <string>
+#include <mutex>
+#include <VUtils/Logging.h>
+#include "Types.h"
+#include "AudioGrabber.h"
+
+class JackClient {
+public:
+    static JackClient &get() {
+        static JackClient client;
+        return client;
+    }
+    void start();
+    static int processSamples(jack_nframes_t frames, void *arg);
+    static void onExit();
+    void connect(const char *port_name, jack_port_t* channel);
+    void fillSamples(stereoSample *pFrame, uint32_t i) {
+        std::lock_guard<std::mutex> lockGuard(guard);
+        for (int j = 0; j < i; ++j) {
+            pFrame[j].l = samples[j].l;
+            pFrame[j].r = samples[j].r;
+        }
+        m_newDataAvailable = false;
+    }
+    bool isData();
+    std::string getPort(bool isLeft);
+    bool checkPort(const std::string& port);
+    VUtils::Environment* env{};
+    int getFrames();
+    AudioGrabber *grabber;
+private:
+    std::mutex guard;
+    stereoSample samples[BUFFER_SIZE]{};
+    stereoSample ringBuffer[BUFFER_SIZE]{};
+    int samplesAdded = 0;
+    jack_port_t *input_port_l = nullptr;
+    jack_port_t *input_port_r = nullptr;
+    bool m_newDataAvailable = false;
+    jack_client_t *client = nullptr;
+    jack_options_t options = jack_options_t(JackNoStartServer | JackUseExactName);
+    void addFrames(jack_default_audio_sample_t *pDouble, jack_default_audio_sample_t *pDouble1, jack_nframes_t i);
+};

headers/VulcanoLE/Audio/Types.h

@@ -1,6 +1,6 @@
 #pragma once
-#define FFT_SIZE 1024
+#define FFT_SIZE 512
-#define BUFFER_SIZE 2048
+#define BUFFER_SIZE 1024
 
 struct stereoSampleFrame {
     float l;

headers/VulcanoLE/Audio/VisAudioRunner.h

@@ -4,6 +4,7 @@
 #include <VulcanoLE/Audio/AudioGrabber.h>
 #include <VulcanoLE/Visual/VisPlugins.h>
 #include <VUtils/Environment.h>
+#include <VulcanoLE/API/I2C.h>
 
 class VisAudioRunner {
 public:
@@ -16,5 +17,6 @@ public:
     VIZ::VisPlugins* plugins;
     bool isActive = true;
     std::thread thread;
+    I2C i2c;
     VUtils::Environment *env = nullptr;
 };

headers/VulcanoLE/Keyboards/Vulcan121.h

@@ -40,6 +40,7 @@ public:
     // PLEASE MAKE SURE YOU KNOW THE LIMITS!
     int getIndexNoCheck(int row, int col);
     static void fadeOutMap(led_map* map, double factor);
+    void fadeOutMapColumn(led_map* map, double factor);
 protected:
     void setupMap();
     // we need some mapping feature! rows and cols dont have the same amount of keys. so the struct needs

headers/VulcanoLE/Scripts/PoliceLike.h

@@ -5,9 +5,9 @@
 namespace VIZ {
     class PoliceLike : public VIZ {
     protected:
-        int decayRate = 10;
+        int decayRate = 5;
         double lastPeak = -1;
-        double threshold = 15;
+        double threshold = 45;
     public:
         PoliceLike(AudioGrabber *pGrabber, Vulcan121 *pVulcan121);
         ~PoliceLike() override = default;

headers/VulcanoLE/Scripts/RainbowLine.h

@@ -8,9 +8,9 @@ namespace VIZ {
         double deltaNeeded = 100000.0;
         double deltaElapsed = 0;
         rgba *colours = nullptr;
+        int maxCols = 0;
         double lastValue = 0;
         double decayValue = 0;
-        double ratios[4] = {1.3,1.3,1.3,1.2};
         double tailFactor = 0.3;
     public:
         RainbowLine(AudioGrabber *pGrabber, Vulcan121 *vulcan);
@@ -23,5 +23,7 @@ namespace VIZ {
         led_map *data = Vulcan121::createEmptyLEDMap();
         bool firstUnder = true;
         double deltaMove(double val);
+        void moveLine(double val, double d);
+        double factor = 1.0;
     };
 }

headers/VulcanoLE/Scripts/RainbowMap.h

@@ -0,0 +1,28 @@
+#pragma once
+
+#include <VulcanoLE/Visual/VIZ.h>
+
+namespace VIZ {
+    class RainbowMap : public VIZ {
+        int currentColumn = 0;
+        double deltaNeeded = 100000.0;
+        double deltaElapsed = 0;
+        rgba *colours = nullptr;
+        int maxCols = 0;
+        double lastValue = 0;
+        double decayValue = 0;
+    public:
+        RainbowMap(AudioGrabber *pGrabber, Vulcan121 *vulcan);
+        ~RainbowMap() override;
+        void onSetup() override;
+        void onTick(float delta) override;
+        void calcNextDelta(double ratio);
+        const char *name() override;
+        std::string m_name = "Rainbow Map";
+        led_map *data = Vulcan121::createEmptyLEDMap();
+        bool firstUnder = true;
+        double deltaMove(double val);
+        void moveRainbow(double d);
+        void updateColumn(int column, int colIndex);
+    };
+}

headers/VulcanoLE/Scripts/Random.h

@@ -0,0 +1,26 @@
+#pragma once
+
+#include <VulcanoLE/Audio/AudioGrabber.h>
+#include <VulcanoLE/Keyboards/Vulcan121.h>
+#include <VulcanoLE/Visual/VIZ.h>
+#include <vector>
+
+namespace VIZ {
+    class Random : public VIZ {
+    protected:
+        led_map *map = nullptr;
+        bool isReverse{ false };
+        bool emptyTicks{ false };
+    public:
+        Random(AudioGrabber *pGrabber, Vulcan121 *vulcan);
+        ~Random() override;
+        void onSetup() override;
+        void onTick(float delta) override;
+        const char *name() override;
+        float deltaElapsed;
+        float deltaNeeded{ 80000 };
+        int row;
+        int columnCount{0}; // for last selected row all previous draw full
+        int ticks;
+    };
+}

headers/VulcanoLE/Scripts/Spectrum.h

@@ -13,9 +13,9 @@ namespace VIZ {
         const char *name() override;
         std::string m_name = "Spectrum One";
         rgba colors[3] = {
-                { 0, 30, 150, 0 },
+                { 0, 10, 180, 0 },
-                { 150, 150, 0, 0 },
+                { 0, 180, 0, 0 },
-                { 150, 0, 40, 0 }
+                { 150, 0, 0, 0 }
         };
     };
 }

headers/VulcanoLE/Visual/VisPlugins.h

@@ -3,9 +3,10 @@
 #include <vector>
 #include <VulcanoLE/Scripts/Spectrum.h>
 
-#define VIZSIZE 4
+#define VIZSIZE 6
 
 using micro = std::chrono::duration<double, std::micro>;
+using ms = std::chrono::duration<double, std::milli>;
 
 namespace VIZ {
     struct VisPlugins {
@@ -18,11 +19,14 @@ namespace VIZ {
         ~VisPlugins();
         VUtils::Environment *env{};
     protected:
+        std::mutex guard;
         VIZ *viz[VIZSIZE]{};
         VIZ *currentVis{};
         Vulcan121 *keyboard{};
         AudioGrabber *grabber{};
         std::chrono::time_point<std::chrono::system_clock, micro> start;
+        std::chrono::time_point<std::chrono::system_clock, ms> frameStart;
+        long frames = 0;
     };
 }
 

main.cpp

@@ -5,6 +5,7 @@
 #include <csignal>
 #include <VulcanoLE/Audio/VisAudioRunner.h>
 #include <VUtils/Environment.h>
+#include <VulcanoLE/Audio/JackClient.h>
 
 bool shouldRun = true;
 void my_handler(int s) {
@@ -22,6 +23,7 @@ int main(int argc, char **argv) {
     // Load Config...
     VUtils::Environment config{VUtils::FileHandler::getFromHomeDir("/.config/VulcanoLE/state.env").c_str()};
     config.loadFile();
+    JackClient::get().env = &config;
     LOG(R"(
 
 [===============================================]

src/VUtils/FileHandler.cpp

@@ -88,4 +88,15 @@ namespace VUtils {
     std::string FileHandler::getFromHomeDir(const std::basic_string<char> &path) {
         return std::string(getHomeDirectory() + path);
     }
+
+    std::vector<std::string> FileHandler::readDir(const std::basic_string<char> &path) {
+        std::vector<std::string> res;
+        if (!isDirectory(path)) {
+            ERR("Path: \"%s\" is not a directory", path.c_str());
+            return res;
+        }
+        for (const auto &entry : std::filesystem::directory_iterator(path))
+                res.push_back(entry.path());
+        return res;
+    }
 }

src/VUtils/Math.cpp

@@ -14,4 +14,7 @@ namespace VUtils {
     double Math::easeIn(double ratio) {
         return ratio * ratio * ratio;
     }
+    double Math::map(double x, double in_min, double in_max, double out_min, double out_max) {
+        return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
+    }
 }

src/VulcanoLE/API/I2C.cpp

@@ -0,0 +1,30 @@
+#include <VulcanoLE/API/I2C.h>
+#include <VUtils/FileHandler.h>
+#include <VUtils/Logging.h>
+#include <string>
+#include <vector>
+#include <linux/i2c-dev.h>
+#include <linux/i2c.h>
+#include <sys/ioctl.h>
+#include <fcntl.h>
+
+// @Todo Implement Reading and creating all busses!
+int I2C::readDevices() {
+    std::vector<std::string> files = VUtils::FileHandler::readDir("/sys/bus/i2c/devices/");
+    if (files.empty()) {
+        WARN("No I2C Devices found");
+        return 1;
+    }
+    for (auto &file : files) {
+        if (file.find("i2c-") != std::string::npos) {
+            auto device = file + "/name";
+            auto dev = open(device.c_str(), O_RDONLY);
+            if(dev) {
+
+            } else {
+                ERR("Cannot open device %s", device.c_str())
+            }
+        }
+    }
+    return 1;
+}

src/VulcanoLE/Audio/AudioGrabber.cpp

@@ -1,131 +1,25 @@
-#include <cstring>
 #include <cmath>
 #include <VulcanoLE/Audio/AudioGrabber.h>
 #include <VUtils/Logging.h>
+#include <VulcanoLE/Audio/JackClient.h>
 
 
 AudioGrabber::AudioGrabber() = default;
 AudioGrabber::~AudioGrabber() = default;
 
 bool AudioGrabber::read(stereoSample *buffer, uint32_t bufferSize) {
-    auto buffer_size_bytes = static_cast<size_t>(sizeof(stereoSample) * bufferSize);
+    auto &client = JackClient::get();
-    if (m_pulseaudioSimple == nullptr) {
+    if (!client.isData())
-        openPulseaudioSource(static_cast<uint32_t>(buffer_size_bytes));
+        return false;
-    }
+    availableData = client.getFrames();
-
+    client.fillSamples(buffer, availableData);
-    if (m_pulseaudioSimple != nullptr) {
+    return true;
-        memset(buffer, 0, buffer_size_bytes);
-        int32_t error_code;
-        auto return_code = pa_simple_read(m_pulseaudioSimple, buffer,
-                                          buffer_size_bytes, &error_code);
-        if (return_code < 0) {
-            WARN("Could not finish reading pulse Audio stream buffer\n bytes read: %d buffer\n size: %d", return_code,
-                 buffer_size_bytes)
-            // zero out buffer
-            memset(buffer, 0, buffer_size_bytes);
-            pa_simple_free(m_pulseaudioSimple);
-            m_pulseaudioSimple = nullptr;
-
-            return false;
-        }
-
-        // Success fully read entire buffer
-        return true;
-    }
-    return false;
-}
-
-
-void AudioGrabber::populateDefaultSourceName() {
-    pa_mainloop_api *mainloop_api;
-    pa_context *pulseaudio_context;
-    m_pulseaudioMainloop = pa_mainloop_new();
-    mainloop_api = pa_mainloop_get_api(m_pulseaudioMainloop);
-    pulseaudio_context = pa_context_new(mainloop_api, "VulcanoLE device list");
-    pa_context_connect(pulseaudio_context, nullptr, PA_CONTEXT_NOFLAGS,
-                       nullptr);
-    pa_context_set_state_callback(pulseaudio_context,
-                                  pulseaudioContextStateCallback,
-                                  reinterpret_cast<void *>(this));
-
-    int ret;
-    if (pa_mainloop_run(m_pulseaudioMainloop, &ret) < 0) {
-        ERR("Could not open pulseaudio mainloop to find default device name: %d", ret)
-    }
-}
-
-bool AudioGrabber::openPulseaudioSource(uint32_t maxBufferSize) {
-    int32_t error_code = 0;
-    static const pa_sample_spec sample_spec = { PA_SAMPLE_FLOAT32NE, sampleRate,
-                                                channels };
-    static const pa_buffer_attr buffer_attr = { maxBufferSize, 0, 0, 0,
-                                                (maxBufferSize / 2) };
-    populateDefaultSourceName();
-    if (!m_PulseaudioDefaultSourceName.empty()) {
-        m_pulseaudioSimple =
-                pa_simple_new(nullptr, recStreamName, PA_STREAM_RECORD,
-                              m_PulseaudioDefaultSourceName.c_str(),
-                              recStreamDescription, &sample_spec,
-                              nullptr, &buffer_attr, &error_code);
-    }
-    if (m_pulseaudioSimple == nullptr) {
-        m_pulseaudioSimple =
-                pa_simple_new(nullptr, recStreamName, PA_STREAM_RECORD,
-                              nullptr, recStreamDescription,
-                              &sample_spec, nullptr, &buffer_attr, &error_code);
-    }
-    if (m_pulseaudioSimple == nullptr) {
-        m_pulseaudioSimple =
-                pa_simple_new(nullptr, recStreamName, PA_STREAM_RECORD,
-                              "0", recStreamDescription, &sample_spec,
-                              nullptr, &buffer_attr, &error_code);
-    }
-    if (m_pulseaudioSimple != nullptr) {
-        return true;
-    }
-
-    ERR("Could not open pulseaudio source: %s", pa_strerror(error_code))
-    return false;
-}
-
-void AudioGrabber::pulseaudioContextStateCallback(pa_context *c, void *userdata) {
-    switch (pa_context_get_state(c)) {
-        case PA_CONTEXT_UNCONNECTED:
-        case PA_CONTEXT_CONNECTING:
-        case PA_CONTEXT_AUTHORIZING:
-        case PA_CONTEXT_SETTING_NAME:
-            break;
-
-        case PA_CONTEXT_READY: {
-            pa_operation_unref(pa_context_get_server_info(
-                    c, pulseaudioServerInfoCallback, userdata));
-            break;
-        }
-
-        case PA_CONTEXT_FAILED:
-        case PA_CONTEXT_TERMINATED:
-            auto *src =
-                    reinterpret_cast<AudioGrabber *>(userdata);
-            pa_mainloop_quit(src->m_pulseaudioMainloop, 0);
-            break;
-    }
-}
-
-void AudioGrabber::pulseaudioServerInfoCallback(pa_context *context, const pa_server_info *i, void *userdata) {
-    if (i != nullptr) {
-        auto *src = reinterpret_cast<AudioGrabber *>(userdata);
-        std::string name = i->default_sink_name;
-        name.append(defaultMonitorPostfix);
-
-        src->m_PulseaudioDefaultSourceName = name;
-
-        // stop mainloop after finding default name
-        pa_mainloop_quit(src->m_pulseaudioMainloop, 0);
-    }
 }
 
 AudioGrabber *AudioGrabber::createAudioGrabber() {
+    JackClient::get().start();
     auto *grabber = new AudioGrabber();
+    JackClient::get().grabber = grabber;
     return grabber;
 }
 
@@ -140,7 +34,7 @@ void AudioGrabber::init() {
 void AudioGrabber::calculateRMS(stereoSample *pFrame) {
     float squareL = 0, meanL;
     float squareR = 0, meanR;
-    for (int i = 0; i < BUFFER_SIZE; i++) {
+    for (int i = 0; i < availableData; i++) {
         squareL += std::pow(pFrame[0].l * m_scale, 2);
         squareR += std::pow(pFrame[0].r * m_scale, 2);
     }
@@ -151,7 +45,7 @@ void AudioGrabber::calculateRMS(stereoSample *pFrame) {
 
 void AudioGrabber::calculatePEAK(stereoSample *pFrame) {
     stereoSampleFrame max = { 0, 0 };
-    for (int i = 0; i < BUFFER_SIZE; i++) {
+    for (int i = 0; i < availableData; i++) {
         float left = std::abs(pFrame[0].l * m_scale);
         float right = std::abs(pFrame[0].r * m_scale);
         if (left > max.l)
@@ -188,7 +82,6 @@ bool AudioGrabber::work() {
         }
         return true;
     } else {
-        DBG("Wait for Data")
         return false;
     }
 }

src/VulcanoLE/Audio/FFT.cpp

@@ -1,25 +1,38 @@
 #include <VulcanoLE/Audio/FFT.h>
 #include <VUtils/Logging.h>
+#include <cmath>
 #include <VUtils/Math.h>
 
+#define LIMIT 100
+
+double FFT::limit = LIMIT;
 void FFT::process(stereoSample *frame, double scale) {
     std::unique_lock<std::mutex> lck(m_mtx);
-    if (prepareInput(frame, FFT_SIZE, scale)) {
+    if (prepareInput(frame, BUFFER_SIZE, scale)) {
-        for (int i = 0; i < FFT_SIZE; ++i) {
+        for (int i = 0; i < BUFFER_SIZE; ++i) {
             m_sample->leftChannel[i] = 0;
             m_sample->rightChannel[i] = 0;
         }
+        // reset limit :D
+        times++;
+        if (times > 100 && limit != LIMIT) {
+            DBG("RESET OVERSHOT TO 100")
+            limit = LIMIT;
+            times = 0;
+        }
         return;
     }
-    m_fftwPlanRight = fftw_plan_dft_r2c_1d(FFT_SIZE, m_fftwInputRight, m_fftwOutputRight, FFTW_ESTIMATE);
+    m_fftwPlanRight = fftw_plan_dft_1d(BUFFER_SIZE, m_fftwInputRight, m_fftwOutputRight, FFTW_FORWARD, FFTW_ESTIMATE);
-    m_fftwPlanLeft = fftw_plan_dft_r2c_1d(FFT_SIZE, m_fftwInputLeft, m_fftwOutputLeft, FFTW_ESTIMATE);
+    m_fftwPlanLeft = fftw_plan_dft_1d(BUFFER_SIZE, m_fftwInputLeft, m_fftwOutputLeft, FFTW_FORWARD, FFTW_ESTIMATE);
     fftw_execute(m_fftwPlanLeft);
     fftw_execute(m_fftwPlanRight);
-    for (int i = 0; i < m_fftwResults; ++i) {
+    for (int i = 0; i < BUFFER_SIZE; ++i) {
-        double left = m_fftwOutputLeft[i][0];
+        double left = std::sqrt(
-        double right = m_fftwOutputRight[i][0];
+                m_fftwOutputLeft[i][0] * m_fftwOutputLeft[i][0] + m_fftwOutputLeft[i][1] * m_fftwOutputLeft[i][1]);
-        m_sample->leftChannel[i] = left;
+        double right = std::sqrt(
-        m_sample->rightChannel[i] = right;
+                m_fftwOutputRight[i][0] * m_fftwOutputRight[i][0] + m_fftwOutputRight[i][1] * m_fftwOutputRight[i][1]);
+        m_sample->leftChannel[i] = valueToAmp(left);
+        m_sample->rightChannel[i] = valueToAmp(right);
     }
     fftw_destroy_plan(m_fftwPlanRight);
     fftw_destroy_plan(m_fftwPlanLeft);
@@ -34,21 +47,36 @@ outputSample *FFT::getData() {
 bool FFT::prepareInput(stereoSample *buffer, uint32_t sampleSize, double scale) {
     bool is_silent = true;
     for (size_t i = 0; i < sampleSize; ++i) {
-        m_fftwInputLeft[i] = VUtils::Math::clamp(buffer[i].r * scale, -1, 1);
+        m_fftwInputLeft[i][0] = VUtils::Math::clamp(buffer[i].r * scale, -1, 1) * hannWindow[i];
-        m_fftwInputRight[i] = VUtils::Math::clamp(buffer[i].r * scale, -1, 1);
+        m_fftwInputRight[i][0] = VUtils::Math::clamp(buffer[i].r * scale, -1, 1) * hannWindow[i];
-        if (is_silent && (m_fftwInputLeft[i] != 0 || m_fftwInputRight[i] != 0)) is_silent = false;
+        if (is_silent && (m_fftwInputLeft[i][0] != 0 || m_fftwInputRight[i][0] != 0)) is_silent = false;
     }
     return is_silent;
 }
 
 FFT::FFT() {
     m_fftwResults = (static_cast<size_t>(BUFFER_SIZE) / 2.0) + 1;
-    m_fftwInputLeft = static_cast<double *>(fftw_malloc(sizeof(double) * BUFFER_SIZE));
+    m_fftwInputLeft = static_cast<fftw_complex *>(fftw_malloc(sizeof(fftw_complex) * BUFFER_SIZE));
-    m_fftwInputRight = static_cast<double *>(fftw_malloc(sizeof(double) * BUFFER_SIZE));
+    m_fftwInputRight = static_cast<fftw_complex *>(fftw_malloc(sizeof(fftw_complex) * BUFFER_SIZE));
-    m_fftwOutputLeft = static_cast<fftw_complex *>(fftw_malloc(sizeof(fftw_complex) * m_fftwResults));
+    m_fftwOutputLeft = static_cast<fftw_complex *>(fftw_malloc(sizeof(fftw_complex) * BUFFER_SIZE));
-    m_fftwOutputRight = static_cast<fftw_complex *>(fftw_malloc(sizeof(fftw_complex) * m_fftwResults));
+    m_fftwOutputRight = static_cast<fftw_complex *>(fftw_malloc(sizeof(fftw_complex) * BUFFER_SIZE));
+    for (int i = 0; i < BUFFER_SIZE; ++i) {
+        hannWindow[i] = 0.54 - 0.46 * std::cos(2 * M_PI * i / BUFFER_SIZE);
+    }
 }
 FFT::~FFT() {
     delete m_sample;
+    fftw_free(m_fftwInputLeft);
+    fftw_free(m_fftwInputRight);
+    fftw_free(m_fftwOutputLeft);
+    fftw_free(m_fftwOutputRight);
+}
+double FFT::valueToAmp(double value) {
+    if (value > limit) {
+        double newLimit = std::floor(value) + 11;
+        DBG("OVERSHOT %.2f: %.4f -> %.4f", limit, value, newLimit)
+        limit = newLimit;
+    }
+    return VUtils::Math::clamp(value, 0, limit) / limit * 255;
 }
 

src/VulcanoLE/Audio/JackClient.cpp

@@ -0,0 +1,133 @@
+#include <VulcanoLE/Audio/JackClient.h>
+#include <VUtils/Logging.h>
+
+int JackClient::processSamples(jack_nframes_t frames, void *arg) {
+    JackClient &client = JackClient::get();
+    jack_default_audio_sample_t *inl;
+    jack_default_audio_sample_t *inr;
+    unsigned int i;
+    if (client.input_port_l == nullptr || client.input_port_r == nullptr) {
+        return 0;
+    }
+    inl = (jack_default_audio_sample_t *) jack_port_get_buffer(client.input_port_l, frames);
+    inr = (jack_default_audio_sample_t *) jack_port_get_buffer(client.input_port_r, frames);
+    client.addFrames(inl, inr, frames);
+    return 0;
+}
+void JackClient::onExit() {
+    DBG("SHUTDOWN JACK!")
+    JackClient &jackClient = JackClient::get();
+    const char **all_ports;
+    unsigned int i;
+    if (jackClient.input_port_l != nullptr) {
+        all_ports = jack_port_get_all_connections(jackClient.client, jackClient.input_port_l);
+        for (i = 0; all_ports && all_ports[i]; i++) {
+            jack_disconnect(jackClient.client, all_ports[i], jack_port_name(jackClient.input_port_l));
+        }
+        all_ports = jack_port_get_all_connections(jackClient.client, jackClient.input_port_r);
+        for (i = 0; all_ports && all_ports[i]; i++) {
+            jack_disconnect(jackClient.client, all_ports[i], jack_port_name(jackClient.input_port_r));
+        }
+    }
+    jack_client_close(jackClient.client);
+}
+
+void JackClient::connect(const char *port_name, jack_port_t *channel) {
+    jack_port_t *port;
+    port = jack_port_by_name(client, port_name);
+    if (port == nullptr) {
+        ERR("Cannot Find Port: %s", port_name)
+        exit(1);
+    }
+    LOG("Connecting %s to %s", jack_port_name(port), jack_port_name(channel))
+    if (jack_connect(client, jack_port_name(port), jack_port_name(channel))) {
+        ERR("Cannot connect port '%s' to '%s'", jack_port_name(port), jack_port_name(channel))
+        exit(1);
+    }
+}
+
+void JackClient::start() {
+    jack_status_t status;
+    client = jack_client_open("Keyboard Visual", options, &status);
+    if (client == nullptr) {
+        ERR("Failed to start JACK client: %d", status)
+        exit(1);
+    }
+    DBG("Register as %s", jack_get_client_name(client))
+    input_port_l = jack_port_register(client, "left", JACK_DEFAULT_AUDIO_TYPE, JackPortIsInput, BUFFER_SIZE);
+    input_port_r = jack_port_register(client, "right", JACK_DEFAULT_AUDIO_TYPE, JackPortIsInput, BUFFER_SIZE);
+    if (!input_port_l || !input_port_r) {
+        ERR("Cannot Register input port left")
+        exit(1);
+    }
+
+    atexit(JackClient::onExit);
+    jack_set_process_callback(client, JackClient::processSamples, nullptr);
+    if (jack_activate(client)) {
+        ERR("Cannot Activate Client")
+        exit(1);
+    }
+    auto inputL = env->getEnv("input_l", "");
+    auto inputR = env->getEnv("input_r", "");
+    DBG("Try Using InputL: %s", inputL.c_str())
+    DBG("Try Using InputR: %s", inputR.c_str())
+    if (inputL.empty() || inputR.empty() || !checkPort(inputL) || !checkPort(inputR)) {
+        inputL = getPort(true);
+        inputR = getPort(false);
+        DBG("Picking new InputL: %s", inputL.c_str())
+        DBG("Picking new InputR: %s", inputR.c_str())
+        env->set("input_l", inputL.c_str());
+        env->set("input_r", inputR.c_str());
+    }
+    if (inputL.empty() || inputR.empty()) return;
+    connect(inputL.c_str(), input_port_l);
+    connect(inputR.c_str(), input_port_r);
+}
+bool JackClient::isData() {
+    std::lock_guard<std::mutex> lockGuard(guard);
+    return m_newDataAvailable;
+}
+std::string JackClient::getPort(bool isLeft) {
+    std::string type = isLeft ? ":monitor_FL" : ":monitor_FR";
+    auto port = jack_get_ports(client, type.c_str(), nullptr,
+                               JackPortIsOutput);
+    if (port == nullptr)
+        return "";
+    return std::string(port[0]);
+}
+bool JackClient::checkPort(const std::string &port) {
+    return jack_get_ports(client, port.c_str(), nullptr,
+                          JackPortIsOutput) != nullptr;
+}
+void JackClient::addFrames(jack_default_audio_sample_t *l, jack_default_audio_sample_t *r, jack_nframes_t i) {
+    std::lock_guard<std::mutex> lockGuard(guard);
+    if (!grabber)
+        return;
+    if (grabber->requestMode == AudioGrabber::ReqMode::FFT || grabber->requestMode == AudioGrabber::ReqMode::ALL) {
+        for (int j = 0; j < i; ++j) {
+            if (samplesAdded >= BUFFER_SIZE) {
+                for (int k = 0; k < BUFFER_SIZE; ++k) {
+                    samples[k].l = ringBuffer[k].l;
+                    samples[k].r = ringBuffer[k].r;
+                }
+                m_newDataAvailable = true;
+                samplesAdded = 0;
+            }
+            ringBuffer[samplesAdded].l = l[j];
+            ringBuffer[samplesAdded].r = r[j];
+            samplesAdded++;
+        }
+    } else {
+        for (int k = 0; k < i; ++k) {
+            samples[k].l = l[k];
+            samples[k].r = r[k];
+        }
+        m_newDataAvailable = true;
+        samplesAdded = (int) i;
+    }
+}
+int JackClient::getFrames() {
+    std::lock_guard<std::mutex> lockGuard(guard);
+    return grabber->requestMode == AudioGrabber::ReqMode::FFT || grabber->requestMode == AudioGrabber::ReqMode::ALL
+           ? BUFFER_SIZE : samplesAdded;
+}

src/VulcanoLE/Audio/VisAudioRunner.cpp

@@ -1,7 +1,9 @@
 #include <VulcanoLE/Audio/VisAudioRunner.h>
 #include <VUtils/Logging.h>
 
-VisAudioRunner::VisAudioRunner(AudioGrabber *ag, VIZ::VisPlugins *vp) : grabber(ag), plugins(vp) {}
+VisAudioRunner::VisAudioRunner(AudioGrabber *ag, VIZ::VisPlugins *vp) : grabber(ag), plugins(vp) {
+    i2c.readDevices();
+}
 
 VisAudioRunner::~VisAudioRunner() {
     delete plugins;
@@ -28,7 +30,7 @@ void VisAudioRunner::run() const {
         if (grabber->work()) {
             plugins->onTick();
         } else {
-            std::this_thread::sleep_for(std::chrono::milliseconds(100ul));
+            std::this_thread::sleep_for(std::chrono::milliseconds(1));
         }
     }
     usleep(50000);

src/VulcanoLE/Keyboards/Vulcan121.cpp

@@ -2,6 +2,8 @@
 #include <execution>
 #include <VulcanoLE/Keyboards/Vulcan121.h>
 #include <VUtils/Logging.h>
+#include <VUtils/Math.h>
+#include <cmath>
 
 Vulcan121::Vulcan121(HIDHelper *helper)
         : m_helper(helper) {
@@ -26,58 +28,46 @@ Vulcan121::~Vulcan121() {
     }
 }
 
+// Colors are in blocks of 12 keys (2 columns). Color parts are sorted by color e.g. the red
+// values for all 12 keys are first then come the green values etc.
 int Vulcan121::sendLedMap(led_map *src, bool deleteMap) {
     int i, k;
     rgba rgb;
-    unsigned char hwmap[444]{};
+    unsigned char ledBuffer[448]{};
-    unsigned char workbuf[65];
+    memset(ledBuffer, 0, sizeof(ledBuffer));
-    memset(hwmap, 0, sizeof(hwmap));
+    ledBuffer[0] = 0xa1;
+    ledBuffer[1] = 0x01;
+    ledBuffer[2] = 0x01;
+    ledBuffer[3] = 0xb4;
     for (k = 0; k < NUM_KEYS; k++) {
-        rgb = m_fixed[k] ? *(m_fixed[k]) : (src ? src->key[k] : m_colorOff);
+        // Prepare Color
-
+        auto use = m_fixed[k] ? *(m_fixed[k]) : src ? src->key[k] : m_colorOff;
-        rgb.r = (rgb.r > 255) ? 255 : (rgb.r < 0) ? 0 : rgb.r;
+        rgb.a = (int16_t) VUtils::Math::clamp(use.a, 0, 255);
-        rgb.g = (rgb.g > 255) ? 255 : (rgb.g < 0) ? 0 : rgb.g;
-        rgb.b = (rgb.b > 255) ? 255 : (rgb.b < 0) ? 0 : rgb.b;
-        rgb.a = (rgb.a > 255) ? 255 : (rgb.a < 0) ? 0 : rgb.a;
         double factor = rgb.a / 255.0;
-        rgb.r *= factor;
+        rgb.r = (int16_t) VUtils::Math::clamp(std::round(use.r * factor), 0, 255);
-        rgb.g *= factor;
+        rgb.g = (int16_t) VUtils::Math::clamp(std::round(use.g * factor), 0, 255);
-        rgb.b *= factor;
+        rgb.b = (int16_t) VUtils::Math::clamp(std::round(use.b * factor), 0, 255);
 
         int offset = ((k / 12) * 36) + (k % 12);
-        hwmap[offset + 0] = (unsigned char) rgb.r;
+        ledBuffer[offset + 4] = (unsigned char) rgb.r;
-        hwmap[offset + 12] = (unsigned char) rgb.g;
+        ledBuffer[offset + 16] = (unsigned char) rgb.g;
-        hwmap[offset + 24] = (unsigned char) rgb.b;
+        ledBuffer[offset + 28] = (unsigned char) rgb.b;
     }
 
-    // First chunk comes with header
+    unsigned char buffer[65];
-    workbuf[0] = 0x00;
+    buffer[0] = 0x00;
-    workbuf[1] = 0xa1;
+    for (i = 0; i < 7; i++) {
-    workbuf[2] = 0x01;
+        int index = i * 64;
-    workbuf[3] = 0x01;
+        memcpy(&buffer[1], &ledBuffer[index], 64);
-    workbuf[4] = 0xb4;
+        if (hid_write(m_helper->m_ledDevice, buffer, 65) != 65) {
-    memcpy(&workbuf[5], hwmap, 60);
+            ERR("Write failed")
-    if (hid_write(m_helper->m_ledDevice, workbuf, 65) != 65) {
+            if (deleteMap)
-        if (deleteMap) {
-            delete src;
-        }
-        return 0;
-    }
-
-    // Six more chunks
-    for (i = 1; i < 7; i++) {
-        workbuf[0] = 0x00;
-        memcpy(&workbuf[1], &hwmap[(i * 64) - 4], 64);
-        if (hid_write(m_helper->m_ledDevice, workbuf, 65) != 65) {
-            if (deleteMap) {
                 delete src;
-            }
             return 0;
         }
     }
-    if (deleteMap) {
+    if (deleteMap)
         delete src;
-    }
     return 1;
 }
 int Vulcan121::sendToLEDs(rgba rgb) {
@@ -264,6 +254,7 @@ int Vulcan121::getIndex(int row, int col) {
 /**
  * Setup Mapping
  * They are not magic! look in the layout.md
+ * @Fixme: Mapping is broken and not 100% correct for columns!
  */
 void Vulcan121::setupMap() {
     // Row Init
@@ -341,3 +332,20 @@ void Vulcan121::fadeOutMap(led_map *map, double factor = 0.3) {
         i.a *= factor;
     }
 }
+
+// Column FadeOut! Check if previous Col is brighter!
+void Vulcan121::fadeOutMapColumn(led_map *map, double factor) {
+    for (int i = 0; i < NUM_COLS; ++i) {
+        // prev check if not 0
+        auto *columnA = getColumn(i);
+        int16_t colorB = 0;
+        if (i > 0 && map->key[columnA->index[0]].a > 0.1) {
+            auto columnB = getColumn(i - 1);
+            colorB = map->key[columnB->index[0]].a;
+        }
+        for (int j = 0; j < columnA->count; ++j) {
+            auto &colorA = map->key[columnA->index[j]];
+            colorA.a = colorB != 0 && colorB > colorA.a ? colorB * 1.3 : colorA.a * factor;
+        }
+    }
+}

src/VulcanoLE/Scripts/PoliceLike.cpp

@@ -15,7 +15,7 @@ namespace VIZ {
         auto map = Vulcan121::createEmptyLEDMap();
         auto data = grabber->fft.getData()->leftChannel;
         auto val = 0.0;
-        for (int i = 1; i < 4; ++i) {
+        for (int i = 1; i < 3; ++i) {
             if (data[i] > val) {
                 val = data[i];
             }

src/VulcanoLE/Scripts/RainbowLine.cpp

@@ -3,14 +3,15 @@
 #include <VUtils/Logging.h>
 #include <VUtils/Math.h>
 
-#define MAX_DELTA 1212000
+#define MAX_DELTA 808000
 #define MAX_PEAK 170
 
 namespace VIZ {
     RainbowLine::RainbowLine(AudioGrabber *pGrabber, Vulcan121 *vulcan) : VIZ(pGrabber, vulcan) {
-        colours = new rgba[keyboardData.num_cols];
+        maxCols = keyboardData.num_cols * 5;
-        for (int i = 0; i < keyboardData.num_cols; ++i) {
+        colours = new rgba[maxCols];
-            double ratio = (double) i / keyboardData.num_cols;
+        for (int i = 0; i < maxCols; ++i) {
+            double ratio = (double) i / maxCols;
             colours[i] = Color::Generator::rgbFromRatio(ratio, 255);
         }
     }
@@ -28,12 +29,11 @@ namespace VIZ {
     }
 
     void RainbowLine::onTick(float delta) {
-        Vulcan121::fadeOutMap(data, tailFactor);
         deltaElapsed += delta;
         auto fftData = grabber->fft.getData()->leftChannel;
         auto val = 0.0;
         for (int i = 1; i < 4; ++i) {
-            auto avg = fftData[i] * ratios[i];
+            auto avg = fftData[i];
             if (avg > val)
                 val = avg;
         }
@@ -46,19 +46,14 @@ namespace VIZ {
                 currentColumn = 0;
             }
         }
-        colours[currentColumn].a = val;
+        moveLine(val, tailFactor);
-        auto column = keyboard->getColumn(currentColumn);
-        for (int i = 0; i < column->count; ++i) {
-            auto index = column->index[i];
-            data[0].key[index] = colours[currentColumn];
-        }
         lastValue = avg;
         // we clean up the map self later! :)
         keyboard->sendLedMap(data, false);
     }
 
     double RainbowLine::deltaMove(double val) {
-        auto avg = (lastValue + val) * 0.5;
+        auto avg = VUtils::Math::clamp((lastValue + val) * 0.5, 0, 200);
         if (avg > MAX_PEAK || avg > decayValue) {
             calcNextDelta(val < MAX_PEAK && firstUnder ? 160 : val);
             firstUnder = val > MAX_PEAK;
@@ -85,4 +80,15 @@ namespace VIZ {
         rRatio = (VUtils::Math::easeIn(rRatio) - 1.0) * -1;
         deltaNeeded = rRatio * MAX_DELTA;
     }
+
+    void RainbowLine::moveLine(double val, double d) {
+        keyboard->fadeOutMapColumn(data, d);
+        colours[currentColumn].a = val;
+        int col = currentColumn % keyboardData.num_cols;
+        auto column = keyboard->getColumn(col);
+        for (int i = 0; i < column->count; ++i) {
+            auto index = column->index[i];
+            data[0].key[index] = colours[currentColumn];
+        }
+    }
 }

src/VulcanoLE/Scripts/RainbowMap.cpp

@@ -0,0 +1,107 @@
+#include <VulcanoLE/Scripts/RainbowMap.h>
+#include <VulcanoLE/Colors/ColorHelper.h>
+#include <VUtils/Logging.h>
+#include <VUtils/Math.h>
+
+#define MAX_DELTA 808000
+#define MAX_PEAK 170
+
+namespace VIZ {
+    RainbowMap::RainbowMap(AudioGrabber *pGrabber, Vulcan121 *vulcan) : VIZ(pGrabber, vulcan) {
+        maxCols = keyboardData.num_cols * keyboardData.num_rows;
+        colours = new rgba[maxCols];
+        for (int i = 0; i < maxCols; ++i) {
+            double ratio = (double) i / maxCols;
+            colours[i] = Color::Generator::rgbFromRatio(ratio, 128);
+        }
+    }
+    RainbowMap::~RainbowMap() {
+        delete[] colours;
+        delete data;
+    }
+    void RainbowMap::onSetup() {
+        currentColumn = 0;
+        Vulcan121::fadeOutMap(data, 0);
+        keyboard->sendToLEDs({ 0, 0, 0, 0 });
+        grabber->requestMode = AudioGrabber::ReqMode::FFT;
+        usleep(100000);
+    }
+
+    void RainbowMap::onTick(float delta) {
+        deltaElapsed += delta;
+        auto fftData = grabber->fft.getData()->leftChannel;
+        auto val = 0.0;
+        for (int i = 0; i < 3; ++i) {
+            auto avg = fftData[i];
+            if (avg > val)
+                val = avg;
+        }
+        val = VUtils::Math::clamp(val, 0, 255);
+        double avg = deltaMove(val);
+        if (deltaElapsed >= deltaNeeded) {
+            currentColumn++;
+            if (currentColumn >= maxCols)
+                currentColumn = 0;
+            moveRainbow(avg);
+            deltaElapsed -= deltaNeeded;
+        }
+        moveRainbow(avg);
+        lastValue = avg;
+        // we clean up the map self later! :)
+        keyboard->sendLedMap(data, false);
+    }
+
+    double RainbowMap::deltaMove(double val) {
+        auto avg = VUtils::Math::clamp((lastValue + val) * 0.5, 0, 200);
+        if (avg > MAX_PEAK || avg > decayValue) {
+            calcNextDelta(val < MAX_PEAK && firstUnder ? 160 : val);
+            firstUnder = val > MAX_PEAK;
+            decayValue = val;
+        }
+        if (val > MAX_PEAK) {
+            firstUnder = true;
+        }
+        if (avg < 10) {
+            deltaNeeded = 1000000000;
+        }
+        if (decayValue >= 0)
+            decayValue -= 10;
+        return avg;
+    }
+
+    const char *RainbowMap::name() {
+        return m_name.c_str();
+    }
+
+    void RainbowMap::calcNextDelta(double ratio) {
+        double rRatio = ratio / MAX_PEAK;
+        rRatio = VUtils::Math::clamp(rRatio, 0.05, 1.0);
+        rRatio = (VUtils::Math::easeIn(rRatio) - 1.0) * -1;
+        deltaNeeded = rRatio * MAX_DELTA;
+    }
+
+    void RainbowMap::moveRainbow(double d) {
+        int i = 0;
+        int color = currentColumn;
+        while (i < keyboardData.num_cols) {
+            colours[color].a = (uint8_t) d;
+            updateColumn(i, color);
+            color++;
+            i++;
+            if (color > maxCols - 1)
+                color = 0;
+        }
+    }
+
+    void RainbowMap::updateColumn(int col, int colIndex) {
+        auto column = keyboard->getColumn(col);
+        if (!column) {
+            ERR("Column: %d not found", col);
+            return;
+        }
+        for (int i = 0; i < column->count; ++i) {
+            auto index = column->index[i];
+            data[0].key[index] = colours[colIndex];
+        }
+    }
+}

src/VulcanoLE/Scripts/Random.cpp

@@ -0,0 +1,83 @@
+#include <VulcanoLE/Scripts/Random.h>
+#include <VUtils/Logging.h>
+#include <VUtils/Math.h>
+
+namespace VIZ {
+    Random::Random(AudioGrabber *pGrabber, Vulcan121 *vulcan) : VIZ(pGrabber, vulcan) {
+    }
+    void Random::onSetup() {
+        keyboard->sendToLEDs({ 0, 0, 0, 0 });
+        if (map == nullptr) {
+            map = Vulcan121::createEmptyLEDMap();
+            for (auto &color : map->key) {
+                color.r = 255;
+                color.b = 155;
+                color.a = 0;
+            }
+        }
+        grabber->requestMode = AudioGrabber::ReqMode::FFT;
+        usleep(100000);
+    }
+    void Random::onTick(float delta) {
+        deltaElapsed += delta;
+        auto fftData = grabber->fft.getData()->leftChannel;
+        auto val = 0.0;
+        for (int i = 1; i < 4; ++i) {
+            auto avg = fftData[i];
+            if (avg > val)
+                val = avg;
+        }
+        val = VUtils::Math::clamp(val, 1,255);
+        if (deltaElapsed >= deltaNeeded) {
+            deltaElapsed -= deltaNeeded;
+            if (emptyTicks && ticks < 10) {
+                ticks++;
+            } else {
+                ticks = 0;
+                emptyTicks = false;
+                auto *kRow = keyboard->getRow(row);
+                columnCount += isReverse ? -1 : 1;
+                if (!isReverse && columnCount > kRow->count) {
+                    row++;
+                    if (row >= keyboardData.num_rows) {
+                        emptyTicks = true;
+                        isReverse = true;
+                        row = keyboardData.num_rows-1;
+                    } else {
+                        columnCount = 0;
+                    }
+                } else if (isReverse && columnCount < 0) {
+                    row--;
+                    if (row < 0) {
+                        emptyTicks = true;
+                        isReverse = false;
+                        row = 0;
+                    } else {
+                        columnCount = kRow->count;
+                    }
+                }
+            }
+        }
+        for (auto &color : map->key)
+            color.a = 0;
+        for (int i = 0; i <= row; ++i) {
+            auto *kRow = keyboard->getRow(i);
+            if (kRow) {
+                for (int j = 0; j < kRow->count; ++j) {
+                    auto intVal = (int16_t) val;
+                    if (i == row && j > columnCount)
+                        intVal = 0;
+                    map->key[kRow->index[j]].a = intVal;
+                }
+            }
+        }
+        keyboard->sendLedMap(map, false);
+    }
+    const char *Random::name() {
+        return "Random";
+    }
+
+    Random::~Random() {
+        delete map;
+    }
+}

src/VulcanoLE/Scripts/Spectrum.cpp

@@ -14,8 +14,8 @@ namespace VIZ {
         // find largest bass ~43hz (44100 / FFT_SIZE) range
         auto val = 0.0;
         for (int i = 1; i < 4; ++i) {
-            if (data[ i ] > val) {
+            if (data[i] > val) {
-                val = data[ i ];
+                val = data[i];
             }
         }
         double newVal = (val + lastVal) / 2.0;
@@ -27,7 +27,7 @@ namespace VIZ {
         colors[1].a = newVal;
         colors[2].a = newVal;
         for (int key = 0; key < keyboardData.num_keys; ++key) {
-            map[ 0 ].key[ key ] = colors[ colorInd ];
+            map[0].key[key] = colors[colorInd];
             x++;
             if (x > split) {
                 colorInd++;

src/VulcanoLE/Visual/VisPlugins.cpp

@@ -4,6 +4,8 @@
 #include <VulcanoLE/Scripts/PoliceLike.h>
 #include <VUtils/Logging.h>
 #include <VulcanoLE/Scripts/RainbowLine.h>
+#include <VulcanoLE/Scripts/Random.h>
+#include <VulcanoLE/Scripts/RainbowMap.h>
 
 namespace VIZ {
     void VisPlugins::init(HIDHelper *hidHelper, AudioGrabber *audioGrabber) {
@@ -13,10 +15,13 @@ namespace VIZ {
         viz[1] = new Loudness(grabber, keyboard);
         viz[2] = new PoliceLike(grabber, keyboard);
         viz[3] = new RainbowLine(grabber, keyboard);
+        viz[4] = new Random(grabber, keyboard);
+        viz[5] = new RainbowMap(grabber, keyboard);
         currentVis = viz[mode];
     }
 
     void VisPlugins::onStartup() {
+        std::lock_guard<std::mutex> lockGuard(guard);
         if (!keyboard->sendInitSequence()) {
             ERR("FAILED TO INIT KEYBOARD")
             exit(1);
@@ -26,14 +31,25 @@ namespace VIZ {
     }
 
     void VisPlugins::onTick() {
+        std::lock_guard<std::mutex> lockGuard(guard);
         auto stop = std::chrono::high_resolution_clock::now();
         auto delta = std::chrono::duration_cast<micro>(stop - start).count();
         currentVis->onTick(delta);
-        usleep(1000);
+        frames++;
+#ifdef DEBUG
+        auto fps = std::chrono::duration_cast<ms>(stop - frameStart).count();
+        if (fps > 1000) {
+            frameStart = stop;
+            DBG("FPS: %.2f, time-needed: %d ms", double(frames) / (int) fps * 1000.0, (int) fps)
+            frames = 0;
+        }
+#endif
+        // DBG("Time Needed %f ms", delta / 1000)
         start = stop;
     }
 
     void VisPlugins::onShutdown() {
+        std::lock_guard<std::mutex> lockGuard(guard);
         int16_t r = env->getAsInt("shutdown_color_red", 0);
         int16_t g = env->getAsInt("shutdown_color_green", 0);
         int16_t b = env->getAsInt("shutdown_color_blue", 150);
@@ -50,6 +66,7 @@ namespace VIZ {
     }
 
     void VisPlugins::setCurrentMode(int m) {
+        std::lock_guard<std::mutex> lockGuard(guard);
         if (m < 1 || m > VIZSIZE) {
             ERR("Mode Setting Failed >> Mode is not in the available range 1 - %d", VIZSIZE)
             return;