goonzoid

typedef struct FCAudioPlayer {
  AudioStreamBasicDescription asbd;
  AudioBuffer fileBuffer;
  UInt32 playbackPosition;
  UInt32 totalFrames;
} FCAudioPlayer;

static void FCAudioOutputCallback(void *inUserData, AudioQueueRef inAudioQueue, AudioQueueBufferRef inCompleteAudioQueueBuffer)
{
  FCAudioPlayer *audioPlayer = (FCAudioPlayer *)inUserData;

goonzoid

@import Accelerate;

static float* monoDataFromStereoNonInterleaved(const float *stereoData, size_t length) {
    vDSP_Length numberOfSamples = length / sizeof(float) / 2;
    const float *leftChannel = stereoData;
    const float *rightChannel = leftChannel + numberOfSamples;
    size_t monoDataLength = length / 2;
    float *monoData = malloc(monoDataLength);
    vDSP_vadd(leftChannel, 1, rightChannel, 1, monoData, 1, numberOfSamples);
    float scale = 0.5;

goonzoid

NSArray* audioDevices() {
    AudioObjectPropertyAddress propertyAddress = {
        kAudioHardwarePropertyDevices,
        kAudioObjectPropertyScopeGlobal,
        kAudioObjectPropertyElementMaster
    };

    UInt32 dataSize = 0;
    OSStatus status = 0;

goonzoid

.DS_Store

*.pbxuser
*.perspectivev3
*.xcbkptlist
*.xccheckout
xcuserdata

/Builds/MacOSX/build

goonzoid

-- melody generator

-- based on https://gist.github.com/schollz/e2cc49425d54336b422e144e7eeb34cc

function init()
  ii.jf.mode(1)
  local chords={"I","vi","IV","iii"} -- change to any chords
  local move_left=6 -- change to 0-12
  local move_right=6 -- change to 0-12
  local stay_on_chord=0.95 -- change to 0-1