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#pragma once
#include "ofMain.h"
#include "ofxHelios.h"
#include "lineTransformer.h"
//This is included only as a way of getting buffer out of loaded sound.
//There are many other ways you can do that.
//This player includes a version of kissFFT. You can remove the one included in Gist.
//https://github.com/borg/ofxOpenALSoundPlayer
#include "ofxOpenALSoundPlayer.h"
//Slightly modified to add a dynamic getVariable method to be able to plot based on
//gist feature list
//https://github.com/local-projects/ofxHistoryPlot
#include "ofxHistoryPlot.h"
#include "ofxGist.h"
class Audioplotter{
//store and draw a numbr of audio samples
//how best to handle transforms - maybe pass in a transform to be added to 2nd and subsequent
//how best to handle length of history data - fixed number that can be set, or line budget?
public:
Audioplotter(int _size=1,bool _joined=true){
set_size(_size);
set_joined(_joined);
}
void set_size(int _size){
history_size=_size;
}
void set_joined(bool _joined){
joined=_joined;
}
const vector <colourPolyline> &output(const ofMatrix4x4 xform=ofMatrix4x4(1.0f,0.0f,0.0f,0.0f,
0.0f,1.0f,0.0f,0.0f,
0.0f,0.0f,1.0f,0.0f,
0.0f,0.0f,0.0f,1.0f)){
//destructive or non?
float fadefactor=1.0f-(1.0f/history_size);
for (int i=0;i<data.size();i++){
data[i]=lineTransformer::polyLineTransform(xform,data[i],fadefactor);
}
return data;
}
void addpoints(vector <float> &audio,int number){
colourPolyline newdata;
int num=min(number,(int)audio.size());
int step=audio.size()/num;
int start=audio.size()/(num+1);
for (int i=0;i<num;i++){
newdata.addVertex((start+(i*step)*ofGetWidth())/audio.size(),audio[start+(i*step)]*ofGetHeight());
}
data.insert(data.begin(),newdata);
while (data.size()>history_size) {
data.pop_back();
}
}
private:
vector <colourPolyline> data;
bool joined;
int history_size;
};
class ofApp : public ofBaseApp{
public:
void setup();
void update();
void draw();
void keyPressed(int key);
void keyReleased(int key);
void mouseMoved(int x, int y );
void mouseDragged(int x, int y, int button);
void mousePressed(int x, int y, int button);
void mouseReleased(int x, int y, int button);
void windowResized(int w, int h);
void dragEvent(ofDragInfo dragInfo);
void gotMessage(ofMessage msg);
ofSoundStream soundStream;
ofxOpenALSoundPlayer player;
void processAudio(float * input, int bufferSize, int nChannels);
void audioIn(float * input, int bufferSize, int nChannels);
vector<float>fftSmoothed;
vector <float> left;
vector <float> right;
vector <float> centre;
vector <float> volHistory;
vector<float>mfccSmoothed;
float mfccMax;
int bufferSize;
int sampleRate;
bool useMic;
bool isPaused;
void clear();
void loadSong(string str);
vector<ofxHistoryPlot *>plots;
map<string,ofxHistoryPlot *>plotMap;
ofxHistoryPlot* addGraph(string varName,float max,ofColor color);
ofxGist gist;
void onNoteOn(GistEvent &e);
void onNoteOff(GistEvent &e);
int noteOnRadius;
bool showMFCC;
vector<ofxHistoryPlot *>mfccPlots;
ofxHelios laser;
Audioplotter plotter;
};
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